diff --git a/clang/include/clang/Basic/Builtins.def b/clang/include/clang/Basic/Builtins.def index 61a195bf5bf8..ac9af6028867 100644 --- a/clang/include/clang/Basic/Builtins.def +++ b/clang/include/clang/Basic/Builtins.def @@ -1,1587 +1,1588 @@ //===--- Builtins.def - Builtin function info database ----------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file defines the standard builtin function database. Users of this file // must define the BUILTIN macro to make use of this information. // //===----------------------------------------------------------------------===// // FIXME: This should really be a .td file, but that requires modifying tblgen. // Perhaps tblgen should have plugins. // The first value provided to the macro specifies the function name of the // builtin, and results in a clang::builtin::BIXX enum value for XX. // The second value provided to the macro specifies the type of the function // (result value, then each argument) as follows: // v -> void // b -> boolean // c -> char // s -> short // i -> int // h -> half // f -> float // d -> double // z -> size_t // w -> wchar_t // F -> constant CFString // G -> id // H -> SEL // M -> struct objc_super // a -> __builtin_va_list // A -> "reference" to __builtin_va_list // V -> Vector, followed by the number of elements and the base type. // q -> Scalable vector, followed by the number of elements and the base type. // E -> ext_vector, followed by the number of elements and the base type. // X -> _Complex, followed by the base type. // Y -> ptrdiff_t // P -> FILE // J -> jmp_buf // SJ -> sigjmp_buf // K -> ucontext_t // p -> pid_t // . -> "...". This may only occur at the end of the function list. // // Types may be prefixed with the following modifiers: // L -> long (e.g. Li for 'long int', Ld for 'long double') // LL -> long long (e.g. LLi for 'long long int', LLd for __float128) // LLL -> __int128_t (e.g. LLLi) // Z -> int32_t (require a native 32-bit integer type on the target) // W -> int64_t (require a native 64-bit integer type on the target) // N -> 'int' size if target is LP64, 'L' otherwise. // O -> long for OpenCL targets, long long otherwise. // S -> signed // U -> unsigned // I -> Required to constant fold to an integer constant expression. // // Types may be postfixed with the following modifiers: // * -> pointer (optionally followed by an address space number, if no address // space is specified than any address space will be accepted) // & -> reference (optionally followed by an address space number) // C -> const // D -> volatile // The third value provided to the macro specifies information about attributes // of the function. These must be kept in sync with the predicates in the // Builtin::Context class. Currently we have: // n -> nothrow // r -> noreturn // U -> pure // c -> const // t -> signature is meaningless, use custom typechecking // F -> this is a libc/libm function with a '__builtin_' prefix added. // f -> this is a libc/libm function without the '__builtin_' prefix. It can // be followed by ':headername:' to state which header this function // comes from. // h -> this function requires a specific header or an explicit declaration. // i -> this is a runtime library implemented function without the // '__builtin_' prefix. It will be implemented in compiler-rt or libgcc. // p:N: -> this is a printf-like function whose Nth argument is the format // string. // P:N: -> similar to the p:N: attribute, but the function is like vprintf // in that it accepts its arguments as a va_list rather than // through an ellipsis // s:N: -> this is a scanf-like function whose Nth argument is the format // string. // S:N: -> similar to the s:N: attribute, but the function is like vscanf // in that it accepts its arguments as a va_list rather than // through an ellipsis // e -> const, but only when -fno-math-errno // j -> returns_twice (like setjmp) // u -> arguments are not evaluated for their side-effects // V:N: -> requires vectors of at least N bits to be legal // C -> callback behavior: argument N is called with argument // M_0, ..., M_k as payload // FIXME: gcc has nonnull #if defined(BUILTIN) && !defined(LIBBUILTIN) # define LIBBUILTIN(ID, TYPE, ATTRS, HEADER, BUILTIN_LANG) BUILTIN(ID, TYPE, ATTRS) #endif #if defined(BUILTIN) && !defined(LANGBUILTIN) # define LANGBUILTIN(ID, TYPE, ATTRS, BUILTIN_LANG) BUILTIN(ID, TYPE, ATTRS) #endif // Standard libc/libm functions: BUILTIN(__builtin_atan2 , "ddd" , "Fne") BUILTIN(__builtin_atan2f, "fff" , "Fne") BUILTIN(__builtin_atan2l, "LdLdLd", "Fne") BUILTIN(__builtin_abs , "ii" , "ncF") BUILTIN(__builtin_copysign, "ddd", "ncF") BUILTIN(__builtin_copysignf, "fff", "ncF") BUILTIN(__builtin_copysignf16, "hhh", "ncF") BUILTIN(__builtin_copysignl, "LdLdLd", "ncF") BUILTIN(__builtin_copysignf128, "LLdLLdLLd", "ncF") BUILTIN(__builtin_fabs , "dd" , "ncF") BUILTIN(__builtin_fabsf, "ff" , "ncF") BUILTIN(__builtin_fabsl, "LdLd", "ncF") BUILTIN(__builtin_fabsf16, "hh" , "ncF") BUILTIN(__builtin_fabsf128, "LLdLLd", "ncF") BUILTIN(__builtin_fmod , "ddd" , "Fne") BUILTIN(__builtin_fmodf, "fff" , "Fne") BUILTIN(__builtin_fmodf16, "hhh" , "Fne") BUILTIN(__builtin_fmodl, "LdLdLd", "Fne") BUILTIN(__builtin_frexp , "ddi*" , "Fn") BUILTIN(__builtin_frexpf, "ffi*" , "Fn") BUILTIN(__builtin_frexpl, "LdLdi*", "Fn") BUILTIN(__builtin_huge_val, "d", "nc") BUILTIN(__builtin_huge_valf, "f", "nc") BUILTIN(__builtin_huge_vall, "Ld", "nc") BUILTIN(__builtin_huge_valf128, "LLd", "nc") BUILTIN(__builtin_inf , "d" , "nc") BUILTIN(__builtin_inff , "f" , "nc") BUILTIN(__builtin_infl , "Ld" , "nc") BUILTIN(__builtin_inff128 , "LLd" , "nc") BUILTIN(__builtin_labs , "LiLi" , "Fnc") BUILTIN(__builtin_llabs, "LLiLLi", "Fnc") BUILTIN(__builtin_ldexp , "ddi" , "Fne") BUILTIN(__builtin_ldexpf, "ffi" , "Fne") BUILTIN(__builtin_ldexpl, "LdLdi", "Fne") BUILTIN(__builtin_modf , "ddd*" , "Fn") BUILTIN(__builtin_modff, "fff*" , "Fn") BUILTIN(__builtin_modfl, "LdLdLd*", "Fn") BUILTIN(__builtin_nan, "dcC*" , "FnU") BUILTIN(__builtin_nanf, "fcC*" , "FnU") BUILTIN(__builtin_nanl, "LdcC*", "FnU") BUILTIN(__builtin_nanf128, "LLdcC*", "FnU") BUILTIN(__builtin_nans, "dcC*" , "FnU") BUILTIN(__builtin_nansf, "fcC*" , "FnU") BUILTIN(__builtin_nansl, "LdcC*", "FnU") BUILTIN(__builtin_nansf128, "LLdcC*", "FnU") BUILTIN(__builtin_powi , "ddi" , "Fnc") BUILTIN(__builtin_powif, "ffi" , "Fnc") BUILTIN(__builtin_powil, "LdLdi", "Fnc") BUILTIN(__builtin_pow , "ddd" , "Fne") BUILTIN(__builtin_powf, "fff" , "Fne") BUILTIN(__builtin_powf16, "hhh" , "Fne") BUILTIN(__builtin_powl, "LdLdLd", "Fne") // Standard unary libc/libm functions with double/float/long double variants: BUILTIN(__builtin_acos , "dd" , "Fne") BUILTIN(__builtin_acosf, "ff" , "Fne") BUILTIN(__builtin_acosl, "LdLd", "Fne") BUILTIN(__builtin_acosh , "dd" , "Fne") BUILTIN(__builtin_acoshf, "ff" , "Fne") BUILTIN(__builtin_acoshl, "LdLd", "Fne") BUILTIN(__builtin_asin , "dd" , "Fne") BUILTIN(__builtin_asinf, "ff" , "Fne") BUILTIN(__builtin_asinl, "LdLd", "Fne") BUILTIN(__builtin_asinh , "dd" , "Fne") BUILTIN(__builtin_asinhf, "ff" , "Fne") BUILTIN(__builtin_asinhl, "LdLd", "Fne") BUILTIN(__builtin_atan , "dd" , "Fne") BUILTIN(__builtin_atanf, "ff" , "Fne") BUILTIN(__builtin_atanl, "LdLd", "Fne") BUILTIN(__builtin_atanh , "dd", "Fne") BUILTIN(__builtin_atanhf, "ff", "Fne") BUILTIN(__builtin_atanhl, "LdLd", "Fne") BUILTIN(__builtin_cbrt , "dd", "Fnc") BUILTIN(__builtin_cbrtf, "ff", "Fnc") BUILTIN(__builtin_cbrtl, "LdLd", "Fnc") BUILTIN(__builtin_ceil , "dd" , "Fnc") BUILTIN(__builtin_ceilf, "ff" , "Fnc") BUILTIN(__builtin_ceilf16, "hh" , "Fnc") BUILTIN(__builtin_ceill, "LdLd", "Fnc") BUILTIN(__builtin_cos , "dd" , "Fne") BUILTIN(__builtin_cosf, "ff" , "Fne") BUILTIN(__builtin_cosf16, "hh" , "Fne") BUILTIN(__builtin_cosh , "dd" , "Fne") BUILTIN(__builtin_coshf, "ff" , "Fne") BUILTIN(__builtin_coshl, "LdLd", "Fne") BUILTIN(__builtin_cosl, "LdLd", "Fne") BUILTIN(__builtin_erf , "dd", "Fne") BUILTIN(__builtin_erff, "ff", "Fne") BUILTIN(__builtin_erfl, "LdLd", "Fne") BUILTIN(__builtin_erfc , "dd", "Fne") BUILTIN(__builtin_erfcf, "ff", "Fne") BUILTIN(__builtin_erfcl, "LdLd", "Fne") BUILTIN(__builtin_exp , "dd" , "Fne") BUILTIN(__builtin_expf, "ff" , "Fne") BUILTIN(__builtin_expf16, "hh" , "Fne") BUILTIN(__builtin_expl, "LdLd", "Fne") BUILTIN(__builtin_exp2 , "dd" , "Fne") BUILTIN(__builtin_exp2f, "ff" , "Fne") BUILTIN(__builtin_exp2f16, "hh" , "Fne") BUILTIN(__builtin_exp2l, "LdLd", "Fne") BUILTIN(__builtin_expm1 , "dd", "Fne") BUILTIN(__builtin_expm1f, "ff", "Fne") BUILTIN(__builtin_expm1l, "LdLd", "Fne") BUILTIN(__builtin_fdim, "ddd", "Fne") BUILTIN(__builtin_fdimf, "fff", "Fne") BUILTIN(__builtin_fdiml, "LdLdLd", "Fne") BUILTIN(__builtin_floor , "dd" , "Fnc") BUILTIN(__builtin_floorf, "ff" , "Fnc") BUILTIN(__builtin_floorf16, "hh" , "Fnc") BUILTIN(__builtin_floorl, "LdLd", "Fnc") BUILTIN(__builtin_fma, "dddd", "Fne") BUILTIN(__builtin_fmaf, "ffff", "Fne") BUILTIN(__builtin_fmaf16, "hhhh", "Fne") BUILTIN(__builtin_fmal, "LdLdLdLd", "Fne") BUILTIN(__builtin_fmax, "ddd", "Fnc") BUILTIN(__builtin_fmaxf, "fff", "Fnc") BUILTIN(__builtin_fmaxf16, "hhh", "Fnc") BUILTIN(__builtin_fmaxl, "LdLdLd", "Fnc") BUILTIN(__builtin_fmin, "ddd", "Fnc") BUILTIN(__builtin_fminf, "fff", "Fnc") BUILTIN(__builtin_fminf16, "hhh", "Fnc") BUILTIN(__builtin_fminl, "LdLdLd", "Fnc") BUILTIN(__builtin_hypot , "ddd" , "Fne") BUILTIN(__builtin_hypotf, "fff" , "Fne") BUILTIN(__builtin_hypotl, "LdLdLd", "Fne") BUILTIN(__builtin_ilogb , "id", "Fne") BUILTIN(__builtin_ilogbf, "if", "Fne") BUILTIN(__builtin_ilogbl, "iLd", "Fne") BUILTIN(__builtin_lgamma , "dd", "Fn") BUILTIN(__builtin_lgammaf, "ff", "Fn") BUILTIN(__builtin_lgammal, "LdLd", "Fn") BUILTIN(__builtin_llrint, "LLid", "Fne") BUILTIN(__builtin_llrintf, "LLif", "Fne") BUILTIN(__builtin_llrintl, "LLiLd", "Fne") BUILTIN(__builtin_llround , "LLid", "Fne") BUILTIN(__builtin_llroundf, "LLif", "Fne") BUILTIN(__builtin_llroundl, "LLiLd", "Fne") BUILTIN(__builtin_log , "dd" , "Fne") BUILTIN(__builtin_log10 , "dd" , "Fne") BUILTIN(__builtin_log10f, "ff" , "Fne") BUILTIN(__builtin_log10f16, "hh" , "Fne") BUILTIN(__builtin_log10l, "LdLd", "Fne") BUILTIN(__builtin_log1p , "dd" , "Fne") BUILTIN(__builtin_log1pf, "ff" , "Fne") BUILTIN(__builtin_log1pl, "LdLd", "Fne") BUILTIN(__builtin_log2, "dd" , "Fne") BUILTIN(__builtin_log2f, "ff" , "Fne") BUILTIN(__builtin_log2f16, "hh" , "Fne") BUILTIN(__builtin_log2l, "LdLd" , "Fne") BUILTIN(__builtin_logb , "dd", "Fne") BUILTIN(__builtin_logbf, "ff", "Fne") BUILTIN(__builtin_logbl, "LdLd", "Fne") BUILTIN(__builtin_logf, "ff" , "Fne") BUILTIN(__builtin_logf16, "hh" , "Fne") BUILTIN(__builtin_logl, "LdLd", "Fne") BUILTIN(__builtin_lrint , "Lid", "Fne") BUILTIN(__builtin_lrintf, "Lif", "Fne") BUILTIN(__builtin_lrintl, "LiLd", "Fne") BUILTIN(__builtin_lround , "Lid", "Fne") BUILTIN(__builtin_lroundf, "Lif", "Fne") BUILTIN(__builtin_lroundl, "LiLd", "Fne") BUILTIN(__builtin_nearbyint , "dd", "Fnc") BUILTIN(__builtin_nearbyintf, "ff", "Fnc") BUILTIN(__builtin_nearbyintl, "LdLd", "Fnc") BUILTIN(__builtin_nextafter , "ddd", "Fne") BUILTIN(__builtin_nextafterf, "fff", "Fne") BUILTIN(__builtin_nextafterl, "LdLdLd", "Fne") BUILTIN(__builtin_nexttoward , "ddLd", "Fne") BUILTIN(__builtin_nexttowardf, "ffLd", "Fne") BUILTIN(__builtin_nexttowardl, "LdLdLd", "Fne") BUILTIN(__builtin_remainder , "ddd", "Fne") BUILTIN(__builtin_remainderf, "fff", "Fne") BUILTIN(__builtin_remainderl, "LdLdLd", "Fne") BUILTIN(__builtin_remquo , "dddi*", "Fn") BUILTIN(__builtin_remquof, "fffi*", "Fn") BUILTIN(__builtin_remquol, "LdLdLdi*", "Fn") BUILTIN(__builtin_rint , "dd", "Fnc") BUILTIN(__builtin_rintf, "ff", "Fnc") BUILTIN(__builtin_rintf16, "hh", "Fnc") BUILTIN(__builtin_rintl, "LdLd", "Fnc") BUILTIN(__builtin_round, "dd" , "Fnc") BUILTIN(__builtin_roundf, "ff" , "Fnc") BUILTIN(__builtin_roundf16, "hh" , "Fnc") BUILTIN(__builtin_roundl, "LdLd" , "Fnc") BUILTIN(__builtin_scalbln , "ddLi", "Fne") BUILTIN(__builtin_scalblnf, "ffLi", "Fne") BUILTIN(__builtin_scalblnl, "LdLdLi", "Fne") BUILTIN(__builtin_scalbn , "ddi", "Fne") BUILTIN(__builtin_scalbnf, "ffi", "Fne") BUILTIN(__builtin_scalbnl, "LdLdi", "Fne") BUILTIN(__builtin_sin , "dd" , "Fne") BUILTIN(__builtin_sinf, "ff" , "Fne") BUILTIN(__builtin_sinf16, "hh" , "Fne") BUILTIN(__builtin_sinh , "dd" , "Fne") BUILTIN(__builtin_sinhf, "ff" , "Fne") BUILTIN(__builtin_sinhl, "LdLd", "Fne") BUILTIN(__builtin_sinl, "LdLd", "Fne") BUILTIN(__builtin_sqrt , "dd" , "Fne") BUILTIN(__builtin_sqrtf, "ff" , "Fne") BUILTIN(__builtin_sqrtf16, "hh" , "Fne") BUILTIN(__builtin_sqrtl, "LdLd", "Fne") BUILTIN(__builtin_tan , "dd" , "Fne") BUILTIN(__builtin_tanf, "ff" , "Fne") BUILTIN(__builtin_tanh , "dd" , "Fne") BUILTIN(__builtin_tanhf, "ff" , "Fne") BUILTIN(__builtin_tanhl, "LdLd", "Fne") BUILTIN(__builtin_tanl, "LdLd", "Fne") BUILTIN(__builtin_tgamma , "dd", "Fne") BUILTIN(__builtin_tgammaf, "ff", "Fne") BUILTIN(__builtin_tgammal, "LdLd", "Fne") BUILTIN(__builtin_trunc , "dd", "Fnc") BUILTIN(__builtin_truncf, "ff", "Fnc") BUILTIN(__builtin_truncl, "LdLd", "Fnc") BUILTIN(__builtin_truncf16, "hh", "Fnc") // Access to floating point environment BUILTIN(__builtin_flt_rounds, "i", "n") // C99 complex builtins BUILTIN(__builtin_cabs, "dXd", "Fne") BUILTIN(__builtin_cabsf, "fXf", "Fne") BUILTIN(__builtin_cabsl, "LdXLd", "Fne") BUILTIN(__builtin_cacos, "XdXd", "Fne") BUILTIN(__builtin_cacosf, "XfXf", "Fne") BUILTIN(__builtin_cacosh, "XdXd", "Fne") BUILTIN(__builtin_cacoshf, "XfXf", "Fne") BUILTIN(__builtin_cacoshl, "XLdXLd", "Fne") BUILTIN(__builtin_cacosl, "XLdXLd", "Fne") BUILTIN(__builtin_carg, "dXd", "Fne") BUILTIN(__builtin_cargf, "fXf", "Fne") BUILTIN(__builtin_cargl, "LdXLd", "Fne") BUILTIN(__builtin_casin, "XdXd", "Fne") BUILTIN(__builtin_casinf, "XfXf", "Fne") BUILTIN(__builtin_casinh, "XdXd", "Fne") BUILTIN(__builtin_casinhf, "XfXf", "Fne") BUILTIN(__builtin_casinhl, "XLdXLd", "Fne") BUILTIN(__builtin_casinl, "XLdXLd", "Fne") BUILTIN(__builtin_catan, "XdXd", "Fne") BUILTIN(__builtin_catanf, "XfXf", "Fne") BUILTIN(__builtin_catanh, "XdXd", "Fne") BUILTIN(__builtin_catanhf, "XfXf", "Fne") BUILTIN(__builtin_catanhl, "XLdXLd", "Fne") BUILTIN(__builtin_catanl, "XLdXLd", "Fne") BUILTIN(__builtin_ccos, "XdXd", "Fne") BUILTIN(__builtin_ccosf, "XfXf", "Fne") BUILTIN(__builtin_ccosl, "XLdXLd", "Fne") BUILTIN(__builtin_ccosh, "XdXd", "Fne") BUILTIN(__builtin_ccoshf, "XfXf", "Fne") BUILTIN(__builtin_ccoshl, "XLdXLd", "Fne") BUILTIN(__builtin_cexp, "XdXd", "Fne") BUILTIN(__builtin_cexpf, "XfXf", "Fne") BUILTIN(__builtin_cexpl, "XLdXLd", "Fne") BUILTIN(__builtin_cimag, "dXd", "Fnc") BUILTIN(__builtin_cimagf, "fXf", "Fnc") BUILTIN(__builtin_cimagl, "LdXLd", "Fnc") BUILTIN(__builtin_conj, "XdXd", "Fnc") BUILTIN(__builtin_conjf, "XfXf", "Fnc") BUILTIN(__builtin_conjl, "XLdXLd", "Fnc") BUILTIN(__builtin_clog, "XdXd", "Fne") BUILTIN(__builtin_clogf, "XfXf", "Fne") BUILTIN(__builtin_clogl, "XLdXLd", "Fne") BUILTIN(__builtin_cproj, "XdXd", "Fnc") BUILTIN(__builtin_cprojf, "XfXf", "Fnc") BUILTIN(__builtin_cprojl, "XLdXLd", "Fnc") BUILTIN(__builtin_cpow, "XdXdXd", "Fne") BUILTIN(__builtin_cpowf, "XfXfXf", "Fne") BUILTIN(__builtin_cpowl, "XLdXLdXLd", "Fne") BUILTIN(__builtin_creal, "dXd", "Fnc") BUILTIN(__builtin_crealf, "fXf", "Fnc") BUILTIN(__builtin_creall, "LdXLd", "Fnc") BUILTIN(__builtin_csin, "XdXd", "Fne") BUILTIN(__builtin_csinf, "XfXf", "Fne") BUILTIN(__builtin_csinl, "XLdXLd", "Fne") BUILTIN(__builtin_csinh, "XdXd", "Fne") BUILTIN(__builtin_csinhf, "XfXf", "Fne") BUILTIN(__builtin_csinhl, "XLdXLd", "Fne") BUILTIN(__builtin_csqrt, "XdXd", "Fne") BUILTIN(__builtin_csqrtf, "XfXf", "Fne") BUILTIN(__builtin_csqrtl, "XLdXLd", "Fne") BUILTIN(__builtin_ctan, "XdXd", "Fne") BUILTIN(__builtin_ctanf, "XfXf", "Fne") BUILTIN(__builtin_ctanl, "XLdXLd", "Fne") BUILTIN(__builtin_ctanh, "XdXd", "Fne") BUILTIN(__builtin_ctanhf, "XfXf", "Fne") BUILTIN(__builtin_ctanhl, "XLdXLd", "Fne") // FP Comparisons. BUILTIN(__builtin_isgreater , "i.", "Fnct") BUILTIN(__builtin_isgreaterequal, "i.", "Fnct") BUILTIN(__builtin_isless , "i.", "Fnct") BUILTIN(__builtin_islessequal , "i.", "Fnct") BUILTIN(__builtin_islessgreater , "i.", "Fnct") BUILTIN(__builtin_isunordered , "i.", "Fnct") // Unary FP classification BUILTIN(__builtin_fpclassify, "iiiiii.", "Fnct") BUILTIN(__builtin_isfinite, "i.", "Fnct") BUILTIN(__builtin_isinf, "i.", "Fnct") BUILTIN(__builtin_isinf_sign, "i.", "Fnct") BUILTIN(__builtin_isnan, "i.", "Fnct") BUILTIN(__builtin_isnormal, "i.", "Fnct") // FP signbit builtins BUILTIN(__builtin_signbit, "i.", "Fnct") BUILTIN(__builtin_signbitf, "if", "Fnc") BUILTIN(__builtin_signbitl, "iLd", "Fnc") // Special FP builtins. BUILTIN(__builtin_canonicalize, "dd", "nc") BUILTIN(__builtin_canonicalizef, "ff", "nc") BUILTIN(__builtin_canonicalizef16, "hh", "nc") BUILTIN(__builtin_canonicalizel, "LdLd", "nc") // Builtins for arithmetic. BUILTIN(__builtin_clzs , "iUs" , "nc") BUILTIN(__builtin_clz , "iUi" , "nc") BUILTIN(__builtin_clzl , "iULi" , "nc") BUILTIN(__builtin_clzll, "iULLi", "nc") // TODO: int clzimax(uintmax_t) BUILTIN(__builtin_ctzs , "iUs" , "nc") BUILTIN(__builtin_ctz , "iUi" , "nc") BUILTIN(__builtin_ctzl , "iULi" , "nc") BUILTIN(__builtin_ctzll, "iULLi", "nc") // TODO: int ctzimax(uintmax_t) BUILTIN(__builtin_ffs , "ii" , "Fnc") BUILTIN(__builtin_ffsl , "iLi" , "Fnc") BUILTIN(__builtin_ffsll, "iLLi", "Fnc") BUILTIN(__builtin_parity , "iUi" , "nc") BUILTIN(__builtin_parityl , "iULi" , "nc") BUILTIN(__builtin_parityll, "iULLi", "nc") BUILTIN(__builtin_popcount , "iUi" , "nc") BUILTIN(__builtin_popcountl , "iULi" , "nc") BUILTIN(__builtin_popcountll, "iULLi", "nc") BUILTIN(__builtin_clrsb , "ii" , "nc") BUILTIN(__builtin_clrsbl , "iLi" , "nc") BUILTIN(__builtin_clrsbll, "iLLi", "nc") // The following builtins rely on that char == 8 bits, short == 16 bits and that // there exists native types on the target that are 32- and 64-bits wide, unless // these conditions are fulfilled these builtins will operate on a not intended // bitwidth. BUILTIN(__builtin_bswap16, "UsUs", "nc") BUILTIN(__builtin_bswap32, "UZiUZi", "nc") BUILTIN(__builtin_bswap64, "UWiUWi", "nc") BUILTIN(__builtin_bitreverse8, "UcUc", "nc") BUILTIN(__builtin_bitreverse16, "UsUs", "nc") BUILTIN(__builtin_bitreverse32, "UZiUZi", "nc") BUILTIN(__builtin_bitreverse64, "UWiUWi", "nc") BUILTIN(__builtin_rotateleft8, "UcUcUc", "nc") BUILTIN(__builtin_rotateleft16, "UsUsUs", "nc") BUILTIN(__builtin_rotateleft32, "UZiUZiUZi", "nc") BUILTIN(__builtin_rotateleft64, "UWiUWiUWi", "nc") BUILTIN(__builtin_rotateright8, "UcUcUc", "nc") BUILTIN(__builtin_rotateright16, "UsUsUs", "nc") BUILTIN(__builtin_rotateright32, "UZiUZiUZi", "nc") BUILTIN(__builtin_rotateright64, "UWiUWiUWi", "nc") // Random GCC builtins BUILTIN(__builtin_constant_p, "i.", "nctu") BUILTIN(__builtin_classify_type, "i.", "nctu") BUILTIN(__builtin___CFStringMakeConstantString, "FC*cC*", "nc") BUILTIN(__builtin___NSStringMakeConstantString, "FC*cC*", "nc") BUILTIN(__builtin_va_start, "vA.", "nt") BUILTIN(__builtin_va_end, "vA", "n") BUILTIN(__builtin_va_copy, "vAA", "n") BUILTIN(__builtin_stdarg_start, "vA.", "nt") BUILTIN(__builtin_assume_aligned, "v*vC*z.", "nc") BUILTIN(__builtin_bcmp, "ivC*vC*z", "Fn") BUILTIN(__builtin_bcopy, "vv*v*z", "n") BUILTIN(__builtin_bzero, "vv*z", "nF") BUILTIN(__builtin_fprintf, "iP*cC*.", "Fp:1:") BUILTIN(__builtin_memchr, "v*vC*iz", "nF") BUILTIN(__builtin_memcmp, "ivC*vC*z", "nF") BUILTIN(__builtin_memcpy, "v*v*vC*z", "nF") BUILTIN(__builtin_memcpy_inline, "vv*vC*Iz", "nt") BUILTIN(__builtin_memmove, "v*v*vC*z", "nF") BUILTIN(__builtin_mempcpy, "v*v*vC*z", "nF") BUILTIN(__builtin_memset, "v*v*iz", "nF") BUILTIN(__builtin_printf, "icC*.", "Fp:0:") BUILTIN(__builtin_stpcpy, "c*c*cC*", "nF") BUILTIN(__builtin_stpncpy, "c*c*cC*z", "nF") BUILTIN(__builtin_strcasecmp, "icC*cC*", "nF") BUILTIN(__builtin_strcat, "c*c*cC*", "nF") BUILTIN(__builtin_strchr, "c*cC*i", "nF") BUILTIN(__builtin_strcmp, "icC*cC*", "nF") BUILTIN(__builtin_strcpy, "c*c*cC*", "nF") BUILTIN(__builtin_strcspn, "zcC*cC*", "nF") BUILTIN(__builtin_strdup, "c*cC*", "nF") BUILTIN(__builtin_strlen, "zcC*", "nF") BUILTIN(__builtin_strncasecmp, "icC*cC*z", "nF") BUILTIN(__builtin_strncat, "c*c*cC*z", "nF") BUILTIN(__builtin_strncmp, "icC*cC*z", "nF") BUILTIN(__builtin_strncpy, "c*c*cC*z", "nF") BUILTIN(__builtin_strndup, "c*cC*z", "nF") BUILTIN(__builtin_strpbrk, "c*cC*cC*", "nF") BUILTIN(__builtin_strrchr, "c*cC*i", "nF") BUILTIN(__builtin_strspn, "zcC*cC*", "nF") BUILTIN(__builtin_strstr, "c*cC*cC*", "nF") BUILTIN(__builtin_wcschr, "w*wC*w", "nF") BUILTIN(__builtin_wcscmp, "iwC*wC*", "nF") BUILTIN(__builtin_wcslen, "zwC*", "nF") BUILTIN(__builtin_wcsncmp, "iwC*wC*z", "nF") BUILTIN(__builtin_wmemchr, "w*wC*wz", "nF") BUILTIN(__builtin_wmemcmp, "iwC*wC*z", "nF") BUILTIN(__builtin_wmemcpy, "w*w*wC*z", "nF") BUILTIN(__builtin_wmemmove, "w*w*wC*z", "nF") BUILTIN(__builtin_return_address, "v*IUi", "n") BUILTIN(__builtin_extract_return_addr, "v*v*", "n") BUILTIN(__builtin_frame_address, "v*IUi", "n") BUILTIN(__builtin___clear_cache, "vc*c*", "n") BUILTIN(__builtin_setjmp, "iv**", "j") BUILTIN(__builtin_longjmp, "vv**i", "r") BUILTIN(__builtin_unwind_init, "v", "") BUILTIN(__builtin_eh_return_data_regno, "iIi", "nc") BUILTIN(__builtin_snprintf, "ic*zcC*.", "nFp:2:") BUILTIN(__builtin_vsprintf, "ic*cC*a", "nFP:1:") BUILTIN(__builtin_vsnprintf, "ic*zcC*a", "nFP:2:") BUILTIN(__builtin_thread_pointer, "v*", "nc") BUILTIN(__builtin_launder, "v*v*", "nt") LANGBUILTIN(__builtin_is_constant_evaluated, "b", "n", CXX_LANG) // GCC exception builtins BUILTIN(__builtin_eh_return, "vzv*", "r") // FIXME: Takes intptr_t, not size_t! BUILTIN(__builtin_frob_return_addr, "v*v*", "n") BUILTIN(__builtin_dwarf_cfa, "v*", "n") BUILTIN(__builtin_init_dwarf_reg_size_table, "vv*", "n") BUILTIN(__builtin_dwarf_sp_column, "Ui", "n") BUILTIN(__builtin_extend_pointer, "ULLiv*", "n") // _Unwind_Word == uint64_t // GCC Object size checking builtins BUILTIN(__builtin_object_size, "zvC*i", "nu") BUILTIN(__builtin_dynamic_object_size, "zvC*i", "nu") // Clang only. BUILTIN(__builtin___memcpy_chk, "v*v*vC*zz", "nF") BUILTIN(__builtin___memccpy_chk, "v*v*vC*izz", "nF") BUILTIN(__builtin___memmove_chk, "v*v*vC*zz", "nF") BUILTIN(__builtin___mempcpy_chk, "v*v*vC*zz", "nF") BUILTIN(__builtin___memset_chk, "v*v*izz", "nF") BUILTIN(__builtin___stpcpy_chk, "c*c*cC*z", "nF") BUILTIN(__builtin___strcat_chk, "c*c*cC*z", "nF") BUILTIN(__builtin___strcpy_chk, "c*c*cC*z", "nF") BUILTIN(__builtin___strlcat_chk, "zc*cC*zz", "nF") BUILTIN(__builtin___strlcpy_chk, "zc*cC*zz", "nF") BUILTIN(__builtin___strncat_chk, "c*c*cC*zz", "nF") BUILTIN(__builtin___strncpy_chk, "c*c*cC*zz", "nF") BUILTIN(__builtin___stpncpy_chk, "c*c*cC*zz", "nF") BUILTIN(__builtin___snprintf_chk, "ic*zizcC*.", "Fp:4:") BUILTIN(__builtin___sprintf_chk, "ic*izcC*.", "Fp:3:") BUILTIN(__builtin___vsnprintf_chk, "ic*zizcC*a", "FP:4:") BUILTIN(__builtin___vsprintf_chk, "ic*izcC*a", "FP:3:") BUILTIN(__builtin___fprintf_chk, "iP*icC*.", "Fp:2:") BUILTIN(__builtin___printf_chk, "iicC*.", "Fp:1:") BUILTIN(__builtin___vfprintf_chk, "iP*icC*a", "FP:2:") BUILTIN(__builtin___vprintf_chk, "iicC*a", "FP:1:") BUILTIN(__builtin_unpredictable, "LiLi" , "nc") BUILTIN(__builtin_expect, "LiLiLi" , "nc") BUILTIN(__builtin_prefetch, "vvC*.", "nc") BUILTIN(__builtin_readcyclecounter, "ULLi", "n") BUILTIN(__builtin_trap, "v", "nr") BUILTIN(__builtin_debugtrap, "v", "n") BUILTIN(__builtin_unreachable, "v", "nr") BUILTIN(__builtin_shufflevector, "v." , "nct") BUILTIN(__builtin_convertvector, "v." , "nct") BUILTIN(__builtin_alloca, "v*z" , "Fn") BUILTIN(__builtin_alloca_with_align, "v*zIz", "Fn") BUILTIN(__builtin_call_with_static_chain, "v.", "nt") BUILTIN(__builtin_matrix_transpose, "v.", "nFt") BUILTIN(__builtin_matrix_column_major_load, "v.", "nFt") +BUILTIN(__builtin_matrix_column_major_store, "v.", "nFt") // "Overloaded" Atomic operator builtins. These are overloaded to support data // types of i8, i16, i32, i64, and i128. The front-end sees calls to the // non-suffixed version of these (which has a bogus type) and transforms them to // the right overloaded version in Sema (plus casts). // FIXME: These assume that char -> i8, short -> i16, int -> i32, // long long -> i64. BUILTIN(__sync_fetch_and_add, "v.", "t") BUILTIN(__sync_fetch_and_add_1, "ccD*c.", "nt") BUILTIN(__sync_fetch_and_add_2, "ssD*s.", "nt") BUILTIN(__sync_fetch_and_add_4, "iiD*i.", "nt") BUILTIN(__sync_fetch_and_add_8, "LLiLLiD*LLi.", "nt") BUILTIN(__sync_fetch_and_add_16, "LLLiLLLiD*LLLi.", "nt") BUILTIN(__sync_fetch_and_sub, "v.", "t") BUILTIN(__sync_fetch_and_sub_1, "ccD*c.", "nt") BUILTIN(__sync_fetch_and_sub_2, "ssD*s.", "nt") BUILTIN(__sync_fetch_and_sub_4, "iiD*i.", "nt") BUILTIN(__sync_fetch_and_sub_8, "LLiLLiD*LLi.", "nt") BUILTIN(__sync_fetch_and_sub_16, "LLLiLLLiD*LLLi.", "nt") BUILTIN(__sync_fetch_and_or, "v.", "t") BUILTIN(__sync_fetch_and_or_1, "ccD*c.", "nt") BUILTIN(__sync_fetch_and_or_2, "ssD*s.", "nt") BUILTIN(__sync_fetch_and_or_4, "iiD*i.", "nt") BUILTIN(__sync_fetch_and_or_8, "LLiLLiD*LLi.", "nt") BUILTIN(__sync_fetch_and_or_16, "LLLiLLLiD*LLLi.", "nt") BUILTIN(__sync_fetch_and_and, "v.", "t") BUILTIN(__sync_fetch_and_and_1, "ccD*c.", "tn") BUILTIN(__sync_fetch_and_and_2, "ssD*s.", "tn") BUILTIN(__sync_fetch_and_and_4, "iiD*i.", "tn") BUILTIN(__sync_fetch_and_and_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_fetch_and_and_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_fetch_and_xor, "v.", "t") BUILTIN(__sync_fetch_and_xor_1, "ccD*c.", "tn") BUILTIN(__sync_fetch_and_xor_2, "ssD*s.", "tn") BUILTIN(__sync_fetch_and_xor_4, "iiD*i.", "tn") BUILTIN(__sync_fetch_and_xor_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_fetch_and_xor_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_fetch_and_nand, "v.", "t") BUILTIN(__sync_fetch_and_nand_1, "ccD*c.", "tn") BUILTIN(__sync_fetch_and_nand_2, "ssD*s.", "tn") BUILTIN(__sync_fetch_and_nand_4, "iiD*i.", "tn") BUILTIN(__sync_fetch_and_nand_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_fetch_and_nand_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_add_and_fetch, "v.", "t") BUILTIN(__sync_add_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_add_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_add_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_add_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_add_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_sub_and_fetch, "v.", "t") BUILTIN(__sync_sub_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_sub_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_sub_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_sub_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_sub_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_or_and_fetch, "v.", "t") BUILTIN(__sync_or_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_or_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_or_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_or_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_or_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_and_and_fetch, "v.", "t") BUILTIN(__sync_and_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_and_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_and_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_and_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_and_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_xor_and_fetch, "v.", "t") BUILTIN(__sync_xor_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_xor_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_xor_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_xor_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_xor_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_nand_and_fetch, "v.", "t") BUILTIN(__sync_nand_and_fetch_1, "ccD*c.", "tn") BUILTIN(__sync_nand_and_fetch_2, "ssD*s.", "tn") BUILTIN(__sync_nand_and_fetch_4, "iiD*i.", "tn") BUILTIN(__sync_nand_and_fetch_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_nand_and_fetch_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_bool_compare_and_swap, "v.", "t") BUILTIN(__sync_bool_compare_and_swap_1, "bcD*cc.", "tn") BUILTIN(__sync_bool_compare_and_swap_2, "bsD*ss.", "tn") BUILTIN(__sync_bool_compare_and_swap_4, "biD*ii.", "tn") BUILTIN(__sync_bool_compare_and_swap_8, "bLLiD*LLiLLi.", "tn") BUILTIN(__sync_bool_compare_and_swap_16, "bLLLiD*LLLiLLLi.", "tn") BUILTIN(__sync_val_compare_and_swap, "v.", "t") BUILTIN(__sync_val_compare_and_swap_1, "ccD*cc.", "tn") BUILTIN(__sync_val_compare_and_swap_2, "ssD*ss.", "tn") BUILTIN(__sync_val_compare_and_swap_4, "iiD*ii.", "tn") BUILTIN(__sync_val_compare_and_swap_8, "LLiLLiD*LLiLLi.", "tn") BUILTIN(__sync_val_compare_and_swap_16, "LLLiLLLiD*LLLiLLLi.", "tn") BUILTIN(__sync_lock_test_and_set, "v.", "t") BUILTIN(__sync_lock_test_and_set_1, "ccD*c.", "tn") BUILTIN(__sync_lock_test_and_set_2, "ssD*s.", "tn") BUILTIN(__sync_lock_test_and_set_4, "iiD*i.", "tn") BUILTIN(__sync_lock_test_and_set_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_lock_test_and_set_16, "LLLiLLLiD*LLLi.", "tn") BUILTIN(__sync_lock_release, "v.", "t") BUILTIN(__sync_lock_release_1, "vcD*.", "tn") BUILTIN(__sync_lock_release_2, "vsD*.", "tn") BUILTIN(__sync_lock_release_4, "viD*.", "tn") BUILTIN(__sync_lock_release_8, "vLLiD*.", "tn") BUILTIN(__sync_lock_release_16, "vLLLiD*.", "tn") BUILTIN(__sync_swap, "v.", "t") BUILTIN(__sync_swap_1, "ccD*c.", "tn") BUILTIN(__sync_swap_2, "ssD*s.", "tn") BUILTIN(__sync_swap_4, "iiD*i.", "tn") BUILTIN(__sync_swap_8, "LLiLLiD*LLi.", "tn") BUILTIN(__sync_swap_16, "LLLiLLLiD*LLLi.", "tn") // Some of our atomics builtins are handled by AtomicExpr rather than // as normal builtin CallExprs. This macro is used for such builtins. #ifndef ATOMIC_BUILTIN #define ATOMIC_BUILTIN(ID, TYPE, ATTRS) BUILTIN(ID, TYPE, ATTRS) #endif // C11 _Atomic operations for . ATOMIC_BUILTIN(__c11_atomic_init, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_load, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_store, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_exchange, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_compare_exchange_strong, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_compare_exchange_weak, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_add, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_sub, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_and, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_or, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_xor, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_max, "v.", "t") ATOMIC_BUILTIN(__c11_atomic_fetch_min, "v.", "t") BUILTIN(__c11_atomic_thread_fence, "vi", "n") BUILTIN(__c11_atomic_signal_fence, "vi", "n") BUILTIN(__c11_atomic_is_lock_free, "bz", "n") // GNU atomic builtins. ATOMIC_BUILTIN(__atomic_load, "v.", "t") ATOMIC_BUILTIN(__atomic_load_n, "v.", "t") ATOMIC_BUILTIN(__atomic_store, "v.", "t") ATOMIC_BUILTIN(__atomic_store_n, "v.", "t") ATOMIC_BUILTIN(__atomic_exchange, "v.", "t") ATOMIC_BUILTIN(__atomic_exchange_n, "v.", "t") ATOMIC_BUILTIN(__atomic_compare_exchange, "v.", "t") ATOMIC_BUILTIN(__atomic_compare_exchange_n, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_add, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_sub, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_and, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_or, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_xor, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_nand, "v.", "t") ATOMIC_BUILTIN(__atomic_add_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_sub_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_and_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_or_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_xor_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_max_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_min_fetch, "v.", "t") ATOMIC_BUILTIN(__atomic_nand_fetch, "v.", "t") BUILTIN(__atomic_test_and_set, "bvD*i", "n") BUILTIN(__atomic_clear, "vvD*i", "n") BUILTIN(__atomic_thread_fence, "vi", "n") BUILTIN(__atomic_signal_fence, "vi", "n") BUILTIN(__atomic_always_lock_free, "bzvCD*", "n") BUILTIN(__atomic_is_lock_free, "bzvCD*", "n") // OpenCL 2.0 atomic builtins. ATOMIC_BUILTIN(__opencl_atomic_init, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_load, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_store, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_exchange, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_compare_exchange_strong, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_compare_exchange_weak, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_add, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_sub, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_and, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_or, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_xor, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_min, "v.", "t") ATOMIC_BUILTIN(__opencl_atomic_fetch_max, "v.", "t") // GCC does not support these, they are a Clang extension. ATOMIC_BUILTIN(__atomic_fetch_min, "v.", "t") ATOMIC_BUILTIN(__atomic_fetch_max, "v.", "t") #undef ATOMIC_BUILTIN // Non-overloaded atomic builtins. BUILTIN(__sync_synchronize, "v", "n") // GCC does not support these, they are a Clang extension. BUILTIN(__sync_fetch_and_min, "iiD*i", "n") BUILTIN(__sync_fetch_and_max, "iiD*i", "n") BUILTIN(__sync_fetch_and_umin, "UiUiD*Ui", "n") BUILTIN(__sync_fetch_and_umax, "UiUiD*Ui", "n") // Random libc builtins. BUILTIN(__builtin_abort, "v", "Fnr") BUILTIN(__builtin_index, "c*cC*i", "Fn") BUILTIN(__builtin_rindex, "c*cC*i", "Fn") // ignored glibc builtin, see https://sourceware.org/bugzilla/show_bug.cgi?id=25399 BUILTIN(__warn_memset_zero_len, "v", "nU") // Microsoft builtins. These are only active with -fms-extensions. LANGBUILTIN(_alloca, "v*z", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__annotation, "wC*.","n", ALL_MS_LANGUAGES) LANGBUILTIN(__assume, "vb", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittest, "UcNiC*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandcomplement, "UcNi*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandreset, "UcNi*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandset, "UcNi*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittest64, "UcWiC*Wi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandcomplement64, "UcWi*Wi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandreset64, "UcWi*Wi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_bittestandset64, "UcWi*Wi", "n", ALL_MS_LANGUAGES) LIBBUILTIN(_byteswap_ushort, "UsUs", "fnc", "stdlib.h", ALL_MS_LANGUAGES) LIBBUILTIN(_byteswap_ulong, "UNiUNi", "fnc", "stdlib.h", ALL_MS_LANGUAGES) LIBBUILTIN(_byteswap_uint64, "ULLiULLi", "fnc", "stdlib.h", ALL_MS_LANGUAGES) LANGBUILTIN(__debugbreak, "v", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__exception_code, "UNi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_exception_code, "UNi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__exception_info, "v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_exception_info, "v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__abnormal_termination, "i", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_abnormal_termination, "i", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__GetExceptionInfo, "v*.", "ntu", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedAnd8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedAnd16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedAnd, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchange8, "ccD*cc", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchange16, "ssD*ss", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchange, "NiNiD*NiNi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchange64, "LLiLLiD*LLiLLi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchangePointer, "v*v*D*v*v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedCompareExchangePointer_nf, "v*v*D*v*v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedDecrement16, "ssD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedDecrement, "NiNiD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchange, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchange8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchange16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeAdd8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeAdd16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeAdd, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangePointer, "v*v*D*v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeSub8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeSub16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedExchangeSub, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedIncrement16, "ssD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedIncrement, "NiNiD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedOr8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedOr16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedOr, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedXor8, "ccD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedXor16, "ssD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_InterlockedXor, "NiNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandreset, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandreset64, "UcWiD*Wi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandreset_acq, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandreset_nf, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandreset_rel, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandset, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandset64, "UcWiD*Wi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandset_acq, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandset_nf, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_interlockedbittestandset_rel, "UcNiD*Ni", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_load8, "ccCD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_load16, "ssCD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_load32, "iiCD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_load64, "LLiLLiCD*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_store8, "vcD*c", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_store16, "vsD*s", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_store32, "viD*i", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__iso_volatile_store64, "vLLiD*LLi", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__noop, "i.", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__lzcnt16, "UsUs", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__lzcnt, "UiUi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__lzcnt64, "UWiUWi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__popcnt16, "UsUs", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__popcnt, "UiUi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__popcnt64, "UWiUWi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(_ReturnAddress, "v*", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotl8, "UcUcUc", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotl16, "UsUsUc", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotl, "UiUii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_lrotl, "ULiULii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotl64, "UWiUWii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotr8, "UcUcUc", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotr16, "UsUsUc", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotr, "UiUii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_lrotr, "ULiULii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(_rotr64, "UWiUWii", "n", ALL_MS_LANGUAGES) LANGBUILTIN(__va_start, "vc**.", "nt", ALL_MS_LANGUAGES) LANGBUILTIN(__fastfail, "vUi", "nr", ALL_MS_LANGUAGES) // Microsoft library builtins. LIBBUILTIN(_setjmpex, "iJ", "fj", "setjmpex.h", ALL_MS_LANGUAGES) // C99 library functions // C99 stdarg.h LIBBUILTIN(va_start, "vA.", "fn", "stdarg.h", ALL_LANGUAGES) LIBBUILTIN(va_end, "vA", "fn", "stdarg.h", ALL_LANGUAGES) LIBBUILTIN(va_copy, "vAA", "fn", "stdarg.h", ALL_LANGUAGES) // C99 stdlib.h LIBBUILTIN(abort, "v", "fr", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(calloc, "v*zz", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(exit, "vi", "fr", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(_Exit, "vi", "fr", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(malloc, "v*z", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(realloc, "v*v*z", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtod, "dcC*c**", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtof, "fcC*c**", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtold, "LdcC*c**", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtol, "LicC*c**i", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtoll, "LLicC*c**i", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtoul, "ULicC*c**i", "f", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(strtoull, "ULLicC*c**i", "f", "stdlib.h", ALL_LANGUAGES) // C99 string.h LIBBUILTIN(memcpy, "v*v*vC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(memcmp, "ivC*vC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(memmove, "v*v*vC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strcpy, "c*c*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strncpy, "c*c*cC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strcmp, "icC*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strncmp, "icC*cC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strcat, "c*c*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strncat, "c*c*cC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strxfrm, "zc*cC*z", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(memchr, "v*vC*iz", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strchr, "c*cC*i", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strcspn, "zcC*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strpbrk, "c*cC*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strrchr, "c*cC*i", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strspn, "zcC*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strstr, "c*cC*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strtok, "c*c*cC*", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(memset, "v*v*iz", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strerror, "c*i", "f", "string.h", ALL_LANGUAGES) LIBBUILTIN(strlen, "zcC*", "f", "string.h", ALL_LANGUAGES) // C99 stdio.h // FIXME: This list is incomplete. LIBBUILTIN(printf, "icC*.", "fp:0:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(fprintf, "iP*cC*.", "fp:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(snprintf, "ic*zcC*.", "fp:2:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(sprintf, "ic*cC*.", "fp:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vprintf, "icC*a", "fP:0:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vfprintf, "iP*cC*a", "fP:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vsnprintf, "ic*zcC*a", "fP:2:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vsprintf, "ic*cC*a", "fP:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(scanf, "icC*R.", "fs:0:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(fscanf, "iP*RcC*R.", "fs:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(sscanf, "icC*RcC*R.", "fs:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vscanf, "icC*Ra", "fS:0:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vfscanf, "iP*RcC*Ra", "fS:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(vsscanf, "icC*RcC*Ra", "fS:1:", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(fopen, "P*cC*cC*", "f", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(fread, "zv*zzP*", "f", "stdio.h", ALL_LANGUAGES) LIBBUILTIN(fwrite, "zvC*zzP*", "f", "stdio.h", ALL_LANGUAGES) // C99 ctype.h LIBBUILTIN(isalnum, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isalpha, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isblank, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(iscntrl, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isdigit, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isgraph, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(islower, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isprint, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(ispunct, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isspace, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isupper, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(isxdigit, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(tolower, "ii", "fnU", "ctype.h", ALL_LANGUAGES) LIBBUILTIN(toupper, "ii", "fnU", "ctype.h", ALL_LANGUAGES) // C99 wchar.h // FIXME: This list is incomplete. We should cover at least the functions that // take format strings. LIBBUILTIN(wcschr, "w*wC*w", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wcscmp, "iwC*wC*", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wcslen, "zwC*", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wcsncmp, "iwC*wC*z", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wmemchr, "w*wC*wz", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wmemcmp, "iwC*wC*z", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wmemcpy, "w*w*wC*z", "f", "wchar.h", ALL_LANGUAGES) LIBBUILTIN(wmemmove,"w*w*wC*z", "f", "wchar.h", ALL_LANGUAGES) // C99 // In some systems setjmp is a macro that expands to _setjmp. We undefine // it here to avoid having two identical LIBBUILTIN entries. #undef setjmp LIBBUILTIN(setjmp, "iJ", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(longjmp, "vJi", "fr", "setjmp.h", ALL_LANGUAGES) // Non-C library functions, active in GNU mode only. // Functions with (returns_twice) attribute (marked as "j") are still active in // all languages, because losing this attribute would result in miscompilation // when these functions are used in non-GNU mode. PR16138. LIBBUILTIN(alloca, "v*z", "f", "stdlib.h", ALL_GNU_LANGUAGES) // POSIX string.h LIBBUILTIN(memccpy, "v*v*vC*iz", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(mempcpy, "v*v*vC*z", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(stpcpy, "c*c*cC*", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(stpncpy, "c*c*cC*z", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(strdup, "c*cC*", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(strndup, "c*cC*z", "f", "string.h", ALL_GNU_LANGUAGES) // POSIX strings.h LIBBUILTIN(index, "c*cC*i", "f", "strings.h", ALL_GNU_LANGUAGES) LIBBUILTIN(rindex, "c*cC*i", "f", "strings.h", ALL_GNU_LANGUAGES) LIBBUILTIN(bzero, "vv*z", "f", "strings.h", ALL_GNU_LANGUAGES) LIBBUILTIN(bcmp, "ivC*vC*z", "f", "strings.h", ALL_GNU_LANGUAGES) // In some systems str[n]casejmp is a macro that expands to _str[n]icmp. // We undefine then here to avoid wrong name. #undef strcasecmp #undef strncasecmp LIBBUILTIN(strcasecmp, "icC*cC*", "f", "strings.h", ALL_GNU_LANGUAGES) LIBBUILTIN(strncasecmp, "icC*cC*z", "f", "strings.h", ALL_GNU_LANGUAGES) // POSIX unistd.h LIBBUILTIN(_exit, "vi", "fr", "unistd.h", ALL_GNU_LANGUAGES) LIBBUILTIN(vfork, "p", "fj", "unistd.h", ALL_LANGUAGES) // POSIX pthread.h LIBBUILTIN(pthread_create, "", "fC<2,3>", "pthread.h", ALL_GNU_LANGUAGES) // POSIX setjmp.h LIBBUILTIN(_setjmp, "iJ", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(__sigsetjmp, "iSJi", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(sigsetjmp, "iSJi", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(savectx, "iJ", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(getcontext, "iK*", "fj", "setjmp.h", ALL_LANGUAGES) LIBBUILTIN(_longjmp, "vJi", "fr", "setjmp.h", ALL_GNU_LANGUAGES) LIBBUILTIN(siglongjmp, "vSJi", "fr", "setjmp.h", ALL_GNU_LANGUAGES) // non-standard but very common LIBBUILTIN(strlcpy, "zc*cC*z", "f", "string.h", ALL_GNU_LANGUAGES) LIBBUILTIN(strlcat, "zc*cC*z", "f", "string.h", ALL_GNU_LANGUAGES) // id objc_msgSend(id, SEL, ...) LIBBUILTIN(objc_msgSend, "GGH.", "f", "objc/message.h", OBJC_LANG) // long double objc_msgSend_fpret(id self, SEL op, ...) LIBBUILTIN(objc_msgSend_fpret, "LdGH.", "f", "objc/message.h", OBJC_LANG) // _Complex long double objc_msgSend_fp2ret(id self, SEL op, ...) LIBBUILTIN(objc_msgSend_fp2ret, "XLdGH.", "f", "objc/message.h", OBJC_LANG) // void objc_msgSend_stret (id, SEL, ...) LIBBUILTIN(objc_msgSend_stret, "vGH.", "f", "objc/message.h", OBJC_LANG) // id objc_msgSendSuper(struct objc_super *super, SEL op, ...) LIBBUILTIN(objc_msgSendSuper, "GM*H.", "f", "objc/message.h", OBJC_LANG) // void objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...) LIBBUILTIN(objc_msgSendSuper_stret, "vM*H.", "f", "objc/message.h", OBJC_LANG) // id objc_getClass(const char *name) LIBBUILTIN(objc_getClass, "GcC*", "f", "objc/runtime.h", OBJC_LANG) // id objc_getMetaClass(const char *name) LIBBUILTIN(objc_getMetaClass, "GcC*", "f", "objc/runtime.h", OBJC_LANG) // void objc_enumerationMutation(id) LIBBUILTIN(objc_enumerationMutation, "vG", "f", "objc/runtime.h", OBJC_LANG) // id objc_read_weak(id *location) LIBBUILTIN(objc_read_weak, "GG*", "f", "objc/objc-auto.h", OBJC_LANG) // id objc_assign_weak(id value, id *location) LIBBUILTIN(objc_assign_weak, "GGG*", "f", "objc/objc-auto.h", OBJC_LANG) // id objc_assign_ivar(id value, id dest, ptrdiff_t offset) LIBBUILTIN(objc_assign_ivar, "GGGY", "f", "objc/objc-auto.h", OBJC_LANG) // id objc_assign_global(id val, id *dest) LIBBUILTIN(objc_assign_global, "GGG*", "f", "objc/objc-auto.h", OBJC_LANG) // id objc_assign_strongCast(id val, id *dest LIBBUILTIN(objc_assign_strongCast, "GGG*", "f", "objc/objc-auto.h", OBJC_LANG) // id objc_exception_extract(void *localExceptionData) LIBBUILTIN(objc_exception_extract, "Gv*", "f", "objc/objc-exception.h", OBJC_LANG) // void objc_exception_try_enter(void *localExceptionData) LIBBUILTIN(objc_exception_try_enter, "vv*", "f", "objc/objc-exception.h", OBJC_LANG) // void objc_exception_try_exit(void *localExceptionData) LIBBUILTIN(objc_exception_try_exit, "vv*", "f", "objc/objc-exception.h", OBJC_LANG) // int objc_exception_match(Class exceptionClass, id exception) LIBBUILTIN(objc_exception_match, "iGG", "f", "objc/objc-exception.h", OBJC_LANG) // void objc_exception_throw(id exception) LIBBUILTIN(objc_exception_throw, "vG", "f", "objc/objc-exception.h", OBJC_LANG) // int objc_sync_enter(id obj) LIBBUILTIN(objc_sync_enter, "iG", "f", "objc/objc-sync.h", OBJC_LANG) // int objc_sync_exit(id obj) LIBBUILTIN(objc_sync_exit, "iG", "f", "objc/objc-sync.h", OBJC_LANG) BUILTIN(__builtin_objc_memmove_collectable, "v*v*vC*z", "nF") // void NSLog(NSString *fmt, ...) LIBBUILTIN(NSLog, "vG.", "fp:0:", "Foundation/NSObjCRuntime.h", OBJC_LANG) // void NSLogv(NSString *fmt, va_list args) LIBBUILTIN(NSLogv, "vGa", "fP:0:", "Foundation/NSObjCRuntime.h", OBJC_LANG) // Builtin math library functions LIBBUILTIN(atan2, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atan2f, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atan2l, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(abs, "ii", "fnc", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(labs, "LiLi", "fnc", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(llabs, "LLiLLi", "fnc", "stdlib.h", ALL_LANGUAGES) LIBBUILTIN(copysign, "ddd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(copysignf, "fff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(copysignl, "LdLdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fabs, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fabsf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fabsl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) // Some systems define finitef as alias of _finitef. #if defined (finitef) #undef finitef #endif LIBBUILTIN(finite, "id", "fnc", "math.h", GNU_LANG) LIBBUILTIN(finitef, "if", "fnc", "math.h", GNU_LANG) LIBBUILTIN(finitel, "iLd", "fnc", "math.h", GNU_LANG) // glibc's math.h generates calls to __finite LIBBUILTIN(__finite, "id", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(__finitef, "if", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(__finitel, "iLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmod, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmodf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmodl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(frexp, "ddi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(frexpf, "ffi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(frexpl, "LdLdi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(ldexp, "ddi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(ldexpf, "ffi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(ldexpl, "LdLdi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(modf, "ddd*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(modff, "fff*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(modfl, "LdLdLd*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(nan, "dcC*", "fUn", "math.h", ALL_LANGUAGES) LIBBUILTIN(nanf, "fcC*", "fUn", "math.h", ALL_LANGUAGES) LIBBUILTIN(nanl, "LdcC*", "fUn", "math.h", ALL_LANGUAGES) LIBBUILTIN(pow, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(powf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(powl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acos, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acosf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acosl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acosh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acoshf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(acoshl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asin, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asinf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asinl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asinh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asinhf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(asinhl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atan, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atanf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atanl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atanh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atanhf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(atanhl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(cbrt, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(cbrtf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(cbrtl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(ceil, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(ceilf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(ceill, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(cos, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(cosf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(cosl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(cosh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(coshf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(coshl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erf, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erff, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erfl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erfc, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erfcf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(erfcl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(exp, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(expf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(expl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(exp2, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(exp2f, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(exp2l, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(expm1, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(expm1f, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(expm1l, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fdim, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fdimf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fdiml, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(floor, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(floorf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(floorl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fma, "dddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmaf, "ffff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmal, "LdLdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmax, "ddd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmaxf, "fff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmaxl, "LdLdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fmin, "ddd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fminf, "fff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(fminl, "LdLdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(hypot, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(hypotf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(hypotl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(ilogb, "id", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(ilogbf, "if", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(ilogbl, "iLd", "fne", "math.h", ALL_LANGUAGES) // POSIX math.h declares a global, signgam, that lgamma writes to, so these // shouldn't have "e" or "c" attributes LIBBUILTIN(lgamma, "dd", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(lgammaf, "ff", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(lgammal, "LdLd", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(llrint, "LLid", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(llrintf, "LLif", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(llrintl, "LLiLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(llround, "LLid", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(llroundf, "LLif", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(llroundl, "LLiLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(logf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(logl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log10, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log10f, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log10l, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log1p, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log1pf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log1pl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log2, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log2f, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(log2l, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(logb, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(logbf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(logbl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lrint, "Lid", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lrintf, "Lif", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lrintl, "LiLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lround, "Lid", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lroundf, "Lif", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(lroundl, "LiLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nearbyint, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(nearbyintf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(nearbyintl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(nextafter, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nextafterf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nextafterl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nexttoward, "ddLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nexttowardf, "ffLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(nexttowardl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(remainder, "ddd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(remainderf, "fff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(remainderl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(remquo, "dddi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(remquof, "fffi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(remquol, "LdLdLdi*", "fn", "math.h", ALL_LANGUAGES) LIBBUILTIN(rint, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(rintf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(rintl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(round, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(roundf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(roundl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalbln, "ddLi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalblnf, "ffLi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalblnl, "LdLdLi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalbn, "ddi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalbnf, "ffi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(scalbnl, "LdLdi", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sin, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sinf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sinl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sinh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sinhf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sinhl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sqrt, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sqrtf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(sqrtl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tan, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tanf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tanl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tanh, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tanhf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tanhl, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tgamma, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tgammaf, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(tgammal, "LdLd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(trunc, "dd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(truncf, "ff", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(truncl, "LdLd", "fnc", "math.h", ALL_LANGUAGES) LIBBUILTIN(cabs, "dXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cabsf, "fXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cabsl, "LdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacos, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacosf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacosl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacosh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacoshf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cacoshl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(carg, "dXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cargf, "fXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cargl, "LdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casin, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casinf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casinl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casinh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casinhf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(casinhl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catan, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catanf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catanl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catanh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catanhf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(catanhl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccos, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccosf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccosl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccosh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccoshf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ccoshl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cexp, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cexpf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cexpl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cimag, "dXd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cimagf, "fXf", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cimagl, "LdXLd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(conj, "XdXd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(conjf, "XfXf", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(conjl, "XLdXLd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(clog, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(clogf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(clogl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cproj, "XdXd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cprojf, "XfXf", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cprojl, "XLdXLd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cpow, "XdXdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cpowf, "XfXfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(cpowl, "XLdXLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(creal, "dXd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(crealf, "fXf", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(creall, "LdXLd", "fnc", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csin, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csinf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csinl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csinh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csinhf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csinhl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csqrt, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csqrtf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(csqrtl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctan, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctanf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctanl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctanh, "XdXd", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctanhf, "XfXf", "fne", "complex.h", ALL_LANGUAGES) LIBBUILTIN(ctanhl, "XLdXLd", "fne", "complex.h", ALL_LANGUAGES) // __sinpi and friends are OS X specific library functions, but otherwise much // like the standard (non-complex) sin (etc). LIBBUILTIN(__sinpi, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__sinpif, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__cospi, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__cospif, "ff", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__tanpi, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__tanpif, "ff", "fne", "math.h", ALL_LANGUAGES) // Similarly, __exp10 is OS X only LIBBUILTIN(__exp10, "dd", "fne", "math.h", ALL_LANGUAGES) LIBBUILTIN(__exp10f, "ff", "fne", "math.h", ALL_LANGUAGES) // Blocks runtime Builtin math library functions LIBBUILTIN(_Block_object_assign, "vv*vC*iC", "f", "Blocks.h", ALL_LANGUAGES) LIBBUILTIN(_Block_object_dispose, "vvC*iC", "f", "Blocks.h", ALL_LANGUAGES) // FIXME: Also declare NSConcreteGlobalBlock and NSConcreteStackBlock. // Annotation function BUILTIN(__builtin_annotation, "v.", "tn") // Invariants BUILTIN(__builtin_assume, "vb", "n") // Multiprecision Arithmetic Builtins. BUILTIN(__builtin_addcb, "UcUcCUcCUcCUc*", "n") BUILTIN(__builtin_addcs, "UsUsCUsCUsCUs*", "n") BUILTIN(__builtin_addc, "UiUiCUiCUiCUi*", "n") BUILTIN(__builtin_addcl, "ULiULiCULiCULiCULi*", "n") BUILTIN(__builtin_addcll, "ULLiULLiCULLiCULLiCULLi*", "n") BUILTIN(__builtin_subcb, "UcUcCUcCUcCUc*", "n") BUILTIN(__builtin_subcs, "UsUsCUsCUsCUs*", "n") BUILTIN(__builtin_subc, "UiUiCUiCUiCUi*", "n") BUILTIN(__builtin_subcl, "ULiULiCULiCULiCULi*", "n") BUILTIN(__builtin_subcll, "ULLiULLiCULLiCULLiCULLi*", "n") // Checked Arithmetic Builtins for Security. BUILTIN(__builtin_add_overflow, "b.", "nt") BUILTIN(__builtin_sub_overflow, "b.", "nt") BUILTIN(__builtin_mul_overflow, "b.", "nt") BUILTIN(__builtin_uadd_overflow, "bUiCUiCUi*", "n") BUILTIN(__builtin_uaddl_overflow, "bULiCULiCULi*", "n") BUILTIN(__builtin_uaddll_overflow, "bULLiCULLiCULLi*", "n") BUILTIN(__builtin_usub_overflow, "bUiCUiCUi*", "n") BUILTIN(__builtin_usubl_overflow, "bULiCULiCULi*", "n") BUILTIN(__builtin_usubll_overflow, "bULLiCULLiCULLi*", "n") BUILTIN(__builtin_umul_overflow, "bUiCUiCUi*", "n") BUILTIN(__builtin_umull_overflow, "bULiCULiCULi*", "n") BUILTIN(__builtin_umulll_overflow, "bULLiCULLiCULLi*", "n") BUILTIN(__builtin_sadd_overflow, "bSiCSiCSi*", "n") BUILTIN(__builtin_saddl_overflow, "bSLiCSLiCSLi*", "n") BUILTIN(__builtin_saddll_overflow, "bSLLiCSLLiCSLLi*", "n") BUILTIN(__builtin_ssub_overflow, "bSiCSiCSi*", "n") BUILTIN(__builtin_ssubl_overflow, "bSLiCSLiCSLi*", "n") BUILTIN(__builtin_ssubll_overflow, "bSLLiCSLLiCSLLi*", "n") BUILTIN(__builtin_smul_overflow, "bSiCSiCSi*", "n") BUILTIN(__builtin_smull_overflow, "bSLiCSLiCSLi*", "n") BUILTIN(__builtin_smulll_overflow, "bSLLiCSLLiCSLLi*", "n") // Clang builtins (not available in GCC). BUILTIN(__builtin_addressof, "v*v&", "nct") BUILTIN(__builtin_operator_new, "v*z", "tc") BUILTIN(__builtin_operator_delete, "vv*", "tn") BUILTIN(__builtin_char_memchr, "c*cC*iz", "n") BUILTIN(__builtin_dump_struct, "ivC*v*", "tn") BUILTIN(__builtin_preserve_access_index, "v.", "t") // Alignment builtins (uses custom parsing to support pointers and integers) BUILTIN(__builtin_is_aligned, "bvC*z", "nct") BUILTIN(__builtin_align_up, "v*vC*z", "nct") BUILTIN(__builtin_align_down, "v*vC*z", "nct") // Safestack builtins BUILTIN(__builtin___get_unsafe_stack_start, "v*", "Fn") BUILTIN(__builtin___get_unsafe_stack_bottom, "v*", "Fn") BUILTIN(__builtin___get_unsafe_stack_top, "v*", "Fn") BUILTIN(__builtin___get_unsafe_stack_ptr, "v*", "Fn") // Nontemporal loads/stores builtins BUILTIN(__builtin_nontemporal_store, "v.", "t") BUILTIN(__builtin_nontemporal_load, "v.", "t") // Coroutine intrinsics. BUILTIN(__builtin_coro_resume, "vv*", "") BUILTIN(__builtin_coro_destroy, "vv*", "") BUILTIN(__builtin_coro_done, "bv*", "n") BUILTIN(__builtin_coro_promise, "v*v*IiIb", "n") BUILTIN(__builtin_coro_size, "z", "n") BUILTIN(__builtin_coro_frame, "v*", "n") BUILTIN(__builtin_coro_noop, "v*", "n") BUILTIN(__builtin_coro_free, "v*v*", "n") BUILTIN(__builtin_coro_id, "v*Iiv*v*v*", "n") BUILTIN(__builtin_coro_alloc, "b", "n") BUILTIN(__builtin_coro_begin, "v*v*", "n") BUILTIN(__builtin_coro_end, "bv*Ib", "n") BUILTIN(__builtin_coro_suspend, "cIb", "n") BUILTIN(__builtin_coro_param, "bv*v*", "n") // OpenCL v2.0 s6.13.16, s9.17.3.5 - Pipe functions. // We need the generic prototype, since the packet type could be anything. LANGBUILTIN(read_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(write_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(reserve_read_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(reserve_write_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(commit_write_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(commit_read_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(sub_group_reserve_read_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(sub_group_reserve_write_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(sub_group_commit_read_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(sub_group_commit_write_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(work_group_reserve_read_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(work_group_reserve_write_pipe, "i.", "tn", OCLC20_LANG) LANGBUILTIN(work_group_commit_read_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(work_group_commit_write_pipe, "v.", "tn", OCLC20_LANG) LANGBUILTIN(get_pipe_num_packets, "Ui.", "tn", OCLC20_LANG) LANGBUILTIN(get_pipe_max_packets, "Ui.", "tn", OCLC20_LANG) // OpenCL v2.0 s6.13.17 - Enqueue kernel functions. // Custom builtin check allows to perform special check of passed block arguments. LANGBUILTIN(enqueue_kernel, "i.", "tn", OCLC20_LANG) LANGBUILTIN(get_kernel_work_group_size, "Ui.", "tn", OCLC20_LANG) LANGBUILTIN(get_kernel_preferred_work_group_size_multiple, "Ui.", "tn", OCLC20_LANG) LANGBUILTIN(get_kernel_max_sub_group_size_for_ndrange, "Ui.", "tn", OCLC20_LANG) LANGBUILTIN(get_kernel_sub_group_count_for_ndrange, "Ui.", "tn", OCLC20_LANG) // OpenCL v2.0 s6.13.9 - Address space qualifier functions. // FIXME: Pointer parameters of OpenCL builtins should have their address space // requirement defined. LANGBUILTIN(to_global, "v*v*", "tn", OCLC20_LANG) LANGBUILTIN(to_local, "v*v*", "tn", OCLC20_LANG) LANGBUILTIN(to_private, "v*v*", "tn", OCLC20_LANG) // OpenCL half load/store builtin LANGBUILTIN(__builtin_store_half, "vdh*", "n", ALL_OCLC_LANGUAGES) LANGBUILTIN(__builtin_store_halff, "vfh*", "n", ALL_OCLC_LANGUAGES) LANGBUILTIN(__builtin_load_half, "dhC*", "nc", ALL_OCLC_LANGUAGES) LANGBUILTIN(__builtin_load_halff, "fhC*", "nc", ALL_OCLC_LANGUAGES) // Builtins for os_log/os_trace BUILTIN(__builtin_os_log_format_buffer_size, "zcC*.", "p:0:nut") BUILTIN(__builtin_os_log_format, "v*v*cC*.", "p:0:nt") // OpenMP 4.0 LANGBUILTIN(omp_is_initial_device, "i", "nc", OMP_LANG) // Builtins for XRay BUILTIN(__xray_customevent, "vcC*z", "") BUILTIN(__xray_typedevent, "vzcC*z", "") // Win64-compatible va_list functions BUILTIN(__builtin_ms_va_start, "vc*&.", "nt") BUILTIN(__builtin_ms_va_end, "vc*&", "n") BUILTIN(__builtin_ms_va_copy, "vc*&c*&", "n") #undef BUILTIN #undef LIBBUILTIN #undef LANGBUILTIN diff --git a/clang/include/clang/Basic/DiagnosticSemaKinds.td b/clang/include/clang/Basic/DiagnosticSemaKinds.td index fb45ad8d44d9..a7b8a992f745 100644 --- a/clang/include/clang/Basic/DiagnosticSemaKinds.td +++ b/clang/include/clang/Basic/DiagnosticSemaKinds.td @@ -1,10831 +1,10836 @@ //==--- DiagnosticSemaKinds.td - libsema diagnostics ----------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===// // Semantic Analysis //===----------------------------------------------------------------------===// let Component = "Sema" in { let CategoryName = "Semantic Issue" in { def note_previous_decl : Note<"%0 declared here">; def note_entity_declared_at : Note<"%0 declared here">; def note_callee_decl : Note<"%0 declared here">; def note_defined_here : Note<"%0 defined here">; // For loop analysis def warn_variables_not_in_loop_body : Warning< "variable%select{s| %1|s %1 and %2|s %1, %2, and %3|s %1, %2, %3, and %4}0 " "used in loop condition not modified in loop body">, InGroup, DefaultIgnore; def warn_redundant_loop_iteration : Warning< "variable %0 is %select{decremented|incremented}1 both in the loop header " "and in the loop body">, InGroup, DefaultIgnore; def note_loop_iteration_here : Note<"%select{decremented|incremented}0 here">; def warn_duplicate_enum_values : Warning< "element %0 has been implicitly assigned %1 which another element has " "been assigned">, InGroup>, DefaultIgnore; def note_duplicate_element : Note<"element %0 also has value %1">; // Absolute value functions def warn_unsigned_abs : Warning< "taking the absolute value of unsigned type %0 has no effect">, InGroup; def note_remove_abs : Note< "remove the call to '%0' since unsigned values cannot be negative">; def warn_abs_too_small : Warning< "absolute value function %0 given an argument of type %1 but has parameter " "of type %2 which may cause truncation of value">, InGroup; def warn_wrong_absolute_value_type : Warning< "using %select{integer|floating point|complex}1 absolute value function %0 " "when argument is of %select{integer|floating point|complex}2 type">, InGroup; def note_replace_abs_function : Note<"use function '%0' instead">; def warn_pointer_abs : Warning< "taking the absolute value of %select{pointer|function|array}0 type %1 is suspicious">, InGroup; def warn_max_unsigned_zero : Warning< "taking the max of " "%select{a value and unsigned zero|unsigned zero and a value}0 " "is always equal to the other value">, InGroup; def note_remove_max_call : Note< "remove call to max function and unsigned zero argument">; def warn_infinite_recursive_function : Warning< "all paths through this function will call itself">, InGroup, DefaultIgnore; def warn_comma_operator : Warning<"possible misuse of comma operator here">, InGroup>, DefaultIgnore; def note_cast_to_void : Note<"cast expression to void to silence warning">; // Constant expressions def err_expr_not_ice : Error< "expression is not an %select{integer|integral}0 constant expression">; def ext_expr_not_ice : Extension< "expression is not an %select{integer|integral}0 constant expression; " "folding it to a constant is a GNU extension">, InGroup; def err_typecheck_converted_constant_expression : Error< "value of type %0 is not implicitly convertible to %1">; def err_typecheck_converted_constant_expression_disallowed : Error< "conversion from %0 to %1 is not allowed in a converted constant expression">; def err_typecheck_converted_constant_expression_indirect : Error< "conversion from %0 to %1 in converted constant expression would " "bind reference to a temporary">; def err_expr_not_cce : Error< "%select{case value|enumerator value|non-type template argument|" "array size|constexpr if condition|explicit specifier argument}0 " "is not a constant expression">; def ext_cce_narrowing : ExtWarn< "%select{case value|enumerator value|non-type template argument|" "array size|constexpr if condition|explicit specifier argument}0 " "%select{cannot be narrowed from type %2 to %3|" "evaluates to %2, which cannot be narrowed to type %3}1">, InGroup, DefaultError, SFINAEFailure; def err_ice_not_integral : Error< "integral constant expression must have integral or unscoped enumeration " "type, not %0">; def err_ice_incomplete_type : Error< "integral constant expression has incomplete class type %0">; def err_ice_explicit_conversion : Error< "integral constant expression requires explicit conversion from %0 to %1">; def note_ice_conversion_here : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_ice_ambiguous_conversion : Error< "ambiguous conversion from type %0 to an integral or unscoped " "enumeration type">; def err_ice_too_large : Error< "integer constant expression evaluates to value %0 that cannot be " "represented in a %1-bit %select{signed|unsigned}2 integer type">; def err_expr_not_string_literal : Error<"expression is not a string literal">; // Semantic analysis of constant literals. def ext_predef_outside_function : Warning< "predefined identifier is only valid inside function">, InGroup>; def warn_float_overflow : Warning< "magnitude of floating-point constant too large for type %0; maximum is %1">, InGroup; def warn_float_underflow : Warning< "magnitude of floating-point constant too small for type %0; minimum is %1">, InGroup; def warn_double_const_requires_fp64 : Warning< "double precision constant requires cl_khr_fp64, casting to single precision">; def err_half_const_requires_fp16 : Error< "half precision constant requires cl_khr_fp16">; // C99 variable-length arrays def ext_vla : Extension<"variable length arrays are a C99 feature">, InGroup; def warn_vla_used : Warning<"variable length array used">, InGroup, DefaultIgnore; def err_vla_in_sfinae : Error< "variable length array cannot be formed during template argument deduction">; def err_array_star_in_function_definition : Error< "variable length array must be bound in function definition">; def err_vla_decl_in_file_scope : Error< "variable length array declaration not allowed at file scope">; def err_vla_decl_has_static_storage : Error< "variable length array declaration cannot have 'static' storage duration">; def err_vla_decl_has_extern_linkage : Error< "variable length array declaration cannot have 'extern' linkage">; def ext_vla_folded_to_constant : Extension< "variable length array folded to constant array as an extension">, InGroup; def err_vla_unsupported : Error< "variable length arrays are not supported for the current target">; def note_vla_unsupported : Note< "variable length arrays are not supported for the current target">; // C99 variably modified types def err_variably_modified_template_arg : Error< "variably modified type %0 cannot be used as a template argument">; def err_variably_modified_nontype_template_param : Error< "non-type template parameter of variably modified type %0">; def err_variably_modified_new_type : Error< "'new' cannot allocate object of variably modified type %0">; // C99 Designated Initializers def ext_designated_init : Extension< "designated initializers are a C99 feature">, InGroup; def err_array_designator_negative : Error< "array designator value '%0' is negative">; def err_array_designator_empty_range : Error< "array designator range [%0, %1] is empty">; def err_array_designator_non_array : Error< "array designator cannot initialize non-array type %0">; def err_array_designator_too_large : Error< "array designator index (%0) exceeds array bounds (%1)">; def err_field_designator_non_aggr : Error< "field designator cannot initialize a " "%select{non-struct, non-union|non-class}0 type %1">; def err_field_designator_unknown : Error< "field designator %0 does not refer to any field in type %1">; def err_field_designator_nonfield : Error< "field designator %0 does not refer to a non-static data member">; def note_field_designator_found : Note<"field designator refers here">; def err_designator_for_scalar_or_sizeless_init : Error< "designator in initializer for %select{scalar|indivisible sizeless}0 " "type %1">; def warn_initializer_overrides : Warning< "initializer %select{partially |}0overrides prior initialization of " "this subobject">, InGroup; def ext_initializer_overrides : ExtWarn, InGroup, SFINAEFailure; def err_initializer_overrides_destructed : Error< "initializer would partially override prior initialization of object of " "type %1 with non-trivial destruction">; def note_previous_initializer : Note< "previous initialization %select{|with side effects }0is here" "%select{| (side effects will not occur at run time)}0">; def err_designator_into_flexible_array_member : Error< "designator into flexible array member subobject">; def note_flexible_array_member : Note< "initialized flexible array member %0 is here">; def ext_flexible_array_init : Extension< "flexible array initialization is a GNU extension">, InGroup; // C++20 designated initializers def ext_cxx_designated_init : Extension< "designated initializers are a C++20 extension">, InGroup; def warn_cxx17_compat_designated_init : Warning< "designated initializers are incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_designated_init_mixed : ExtWarn< "mixture of designated and non-designated initializers in the same " "initializer list is a C99 extension">, InGroup; def note_designated_init_mixed : Note< "first non-designated initializer is here">; def ext_designated_init_array : ExtWarn< "array designators are a C99 extension">, InGroup; def ext_designated_init_nested : ExtWarn< "nested designators are a C99 extension">, InGroup; def ext_designated_init_reordered : ExtWarn< "ISO C++ requires field designators to be specified in declaration order; " "field %1 will be initialized after field %0">, InGroup, SFINAEFailure; def note_previous_field_init : Note< "previous initialization for field %0 is here">; // Declarations. def ext_plain_complex : ExtWarn< "plain '_Complex' requires a type specifier; assuming '_Complex double'">; def ext_imaginary_constant : Extension< "imaginary constants are a GNU extension">, InGroup; def ext_integer_complex : Extension< "complex integer types are a GNU extension">, InGroup; def err_invalid_saturation_spec : Error<"'_Sat' specifier is only valid on " "'_Fract' or '_Accum', not '%0'">; def err_invalid_sign_spec : Error<"'%0' cannot be signed or unsigned">; def err_invalid_width_spec : Error< "'%select{|short|long|long long}0 %1' is invalid">; def err_invalid_complex_spec : Error<"'_Complex %0' is invalid">; def ext_auto_type_specifier : ExtWarn< "'auto' type specifier is a C++11 extension">, InGroup; def warn_auto_storage_class : Warning< "'auto' storage class specifier is redundant and incompatible with C++11">, InGroup, DefaultIgnore; def warn_deprecated_register : Warning< "'register' storage class specifier is deprecated " "and incompatible with C++17">, InGroup; def ext_register_storage_class : ExtWarn< "ISO C++17 does not allow 'register' storage class specifier">, DefaultError, InGroup; def err_invalid_decl_spec_combination : Error< "cannot combine with previous '%0' declaration specifier">; def err_invalid_vector_decl_spec_combination : Error< "cannot combine with previous '%0' declaration specifier. " "'__vector' must be first">; def err_invalid_pixel_decl_spec_combination : Error< "'__pixel' must be preceded by '__vector'. " "'%0' declaration specifier not allowed here">; def err_invalid_vector_bool_decl_spec : Error< "cannot use '%0' with '__vector bool'">; def err_invalid_vector_long_decl_spec : Error< "cannot use 'long' with '__vector'">; def err_invalid_vector_float_decl_spec : Error< "cannot use 'float' with '__vector'">; def err_invalid_vector_double_decl_spec : Error < "use of 'double' with '__vector' requires VSX support to be enabled " "(available on POWER7 or later)">; def err_invalid_vector_long_long_decl_spec : Error < "use of 'long long' with '__vector bool' requires VSX support (available on " "POWER7 or later) or extended Altivec support (available on POWER8 or later) " "to be enabled">; def err_invalid_vector_long_double_decl_spec : Error< "cannot use 'long double' with '__vector'">; def warn_vector_long_decl_spec_combination : Warning< "Use of 'long' with '__vector' is deprecated">, InGroup; def err_redeclaration_different_type : Error< "redeclaration of %0 with a different type%diff{: $ vs $|}1,2">; def err_bad_variable_name : Error< "%0 cannot be the name of a variable or data member">; def err_bad_parameter_name : Error< "%0 cannot be the name of a parameter">; def err_bad_parameter_name_template_id : Error< "parameter name cannot have template arguments">; def ext_parameter_name_omitted_c2x : ExtWarn< "omitting the parameter name in a function definition is a C2x extension">, InGroup; def err_anyx86_interrupt_attribute : Error< "%select{x86|x86-64}0 'interrupt' attribute only applies to functions that " "have %select{a 'void' return type|" "only a pointer parameter optionally followed by an integer parameter|" "a pointer as the first parameter|a %2 type as the second parameter}1">; def err_anyx86_interrupt_called : Error< "interrupt service routine cannot be called directly">; def warn_arm_interrupt_calling_convention : Warning< "call to function without interrupt attribute could clobber interruptee's VFP registers">, InGroup; def warn_interrupt_attribute_invalid : Warning< "%select{MIPS|MSP430|RISC-V}0 'interrupt' attribute only applies to " "functions that have %select{no parameters|a 'void' return type}1">, InGroup; def warn_riscv_repeated_interrupt_attribute : Warning< "repeated RISC-V 'interrupt' attribute">, InGroup; def note_riscv_repeated_interrupt_attribute : Note< "repeated RISC-V 'interrupt' attribute is here">; def warn_unused_parameter : Warning<"unused parameter %0">, InGroup, DefaultIgnore; def warn_unused_variable : Warning<"unused variable %0">, InGroup, DefaultIgnore; def warn_unused_local_typedef : Warning< "unused %select{typedef|type alias}0 %1">, InGroup, DefaultIgnore; def warn_unused_property_backing_ivar : Warning<"ivar %0 which backs the property is not " "referenced in this property's accessor">, InGroup, DefaultIgnore; def warn_unused_const_variable : Warning<"unused variable %0">, InGroup, DefaultIgnore; def warn_unused_exception_param : Warning<"unused exception parameter %0">, InGroup, DefaultIgnore; def warn_decl_in_param_list : Warning< "declaration of %0 will not be visible outside of this function">, InGroup; def warn_redefinition_in_param_list : Warning< "redefinition of %0 will not be visible outside of this function">, InGroup; def warn_empty_parens_are_function_decl : Warning< "empty parentheses interpreted as a function declaration">, InGroup; def warn_parens_disambiguated_as_function_declaration : Warning< "parentheses were disambiguated as a function declaration">, InGroup; def warn_parens_disambiguated_as_variable_declaration : Warning< "parentheses were disambiguated as redundant parentheses around declaration " "of variable named %0">, InGroup; def warn_redundant_parens_around_declarator : Warning< "redundant parentheses surrounding declarator">, InGroup>, DefaultIgnore; def note_additional_parens_for_variable_declaration : Note< "add a pair of parentheses to declare a variable">; def note_raii_guard_add_name : Note< "add a variable name to declare a %0 initialized with %1">; def note_function_style_cast_add_parentheses : Note< "add enclosing parentheses to perform a function-style cast">; def note_remove_parens_for_variable_declaration : Note< "remove parentheses to silence this warning">; def note_empty_parens_function_call : Note< "change this ',' to a ';' to call %0">; def note_empty_parens_default_ctor : Note< "remove parentheses to declare a variable">; def note_empty_parens_zero_initialize : Note< "replace parentheses with an initializer to declare a variable">; def warn_unused_function : Warning<"unused function %0">, InGroup, DefaultIgnore; def warn_unused_template : Warning<"unused %select{function|variable}0 template %1">, InGroup, DefaultIgnore; def warn_unused_member_function : Warning<"unused member function %0">, InGroup, DefaultIgnore; def warn_used_but_marked_unused: Warning<"%0 was marked unused but was used">, InGroup, DefaultIgnore; def warn_unneeded_internal_decl : Warning< "%select{function|variable}0 %1 is not needed and will not be emitted">, InGroup, DefaultIgnore; def warn_unneeded_static_internal_decl : Warning< "'static' function %0 declared in header file " "should be declared 'static inline'">, InGroup, DefaultIgnore; def warn_unneeded_member_function : Warning< "member function %0 is not needed and will not be emitted">, InGroup, DefaultIgnore; def warn_unused_private_field: Warning<"private field %0 is not used">, InGroup, DefaultIgnore; def warn_unused_lambda_capture: Warning<"lambda capture %0 is not " "%select{used|required to be captured for this use}1">, InGroup, DefaultIgnore; def warn_parameter_size: Warning< "%0 is a large (%1 bytes) pass-by-value argument; " "pass it by reference instead ?">, InGroup; def warn_return_value_size: Warning< "return value of %0 is a large (%1 bytes) pass-by-value object; " "pass it by reference instead ?">, InGroup; def warn_return_value_udt: Warning< "%0 has C-linkage specified, but returns user-defined type %1 which is " "incompatible with C">, InGroup; def warn_return_value_udt_incomplete: Warning< "%0 has C-linkage specified, but returns incomplete type %1 which could be " "incompatible with C">, InGroup; def warn_implicit_function_decl : Warning< "implicit declaration of function %0">, InGroup, DefaultIgnore; def ext_implicit_function_decl : ExtWarn< "implicit declaration of function %0 is invalid in C99">, InGroup; def note_function_suggestion : Note<"did you mean %0?">; def err_ellipsis_first_param : Error< "ISO C requires a named parameter before '...'">; def err_declarator_need_ident : Error<"declarator requires an identifier">; def err_language_linkage_spec_unknown : Error<"unknown linkage language">; def err_language_linkage_spec_not_ascii : Error< "string literal in language linkage specifier cannot have an " "encoding-prefix">; def ext_use_out_of_scope_declaration : ExtWarn< "use of out-of-scope declaration of %0%select{| whose type is not " "compatible with that of an implicit declaration}1">, InGroup>; def err_inline_non_function : Error< "'inline' can only appear on functions%select{| and non-local variables}0">; def err_noreturn_non_function : Error< "'_Noreturn' can only appear on functions">; def warn_qual_return_type : Warning< "'%0' type qualifier%s1 on return type %plural{1:has|:have}1 no effect">, InGroup, DefaultIgnore; def warn_deprecated_redundant_constexpr_static_def : Warning< "out-of-line definition of constexpr static data member is redundant " "in C++17 and is deprecated">, InGroup, DefaultIgnore; def warn_decl_shadow : Warning<"declaration shadows a %select{" "local variable|" "variable in %2|" "static data member of %2|" "field of %2|" "typedef in %2|" "type alias in %2}1">, InGroup, DefaultIgnore; def warn_decl_shadow_uncaptured_local : Warning, InGroup, DefaultIgnore; def warn_ctor_parm_shadows_field: Warning<"constructor parameter %0 shadows the field %1 of %2">, InGroup, DefaultIgnore; def warn_modifying_shadowing_decl : Warning<"modifying constructor parameter %0 that shadows a " "field of %1">, InGroup, DefaultIgnore; // C++ decomposition declarations def err_decomp_decl_context : Error< "decomposition declaration not permitted in this context">; def warn_cxx14_compat_decomp_decl : Warning< "decomposition declarations are incompatible with " "C++ standards before C++17">, DefaultIgnore, InGroup; def ext_decomp_decl : ExtWarn< "decomposition declarations are a C++17 extension">, InGroup; def ext_decomp_decl_cond : ExtWarn< "ISO C++17 does not permit structured binding declaration in a condition">, InGroup>; def err_decomp_decl_spec : Error< "decomposition declaration cannot be declared " "%plural{1:'%1'|:with '%1' specifiers}0">; def ext_decomp_decl_spec : ExtWarn< "decomposition declaration declared " "%plural{1:'%1'|:with '%1' specifiers}0 is a C++20 extension">, InGroup; def warn_cxx17_compat_decomp_decl_spec : Warning< "decomposition declaration declared " "%plural{1:'%1'|:with '%1' specifiers}0 " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def err_decomp_decl_type : Error< "decomposition declaration cannot be declared with type %0; " "declared type must be 'auto' or reference to 'auto'">; def err_decomp_decl_parens : Error< "decomposition declaration cannot be declared with parentheses">; def err_decomp_decl_template : Error< "decomposition declaration template not supported">; def err_decomp_decl_not_alone : Error< "decomposition declaration must be the only declaration in its group">; def err_decomp_decl_requires_init : Error< "decomposition declaration %0 requires an initializer">; def err_decomp_decl_wrong_number_bindings : Error< "type %0 decomposes into %2 elements, but %select{only |}3%1 " "names were provided">; def err_decomp_decl_unbindable_type : Error< "cannot decompose %select{union|non-class, non-array}1 type %2">; def err_decomp_decl_multiple_bases_with_members : Error< "cannot decompose class type %1: " "%select{its base classes %2 and|both it and its base class}0 %3 " "have non-static data members">; def err_decomp_decl_ambiguous_base : Error< "cannot decompose members of ambiguous base class %1 of %0:%2">; def err_decomp_decl_inaccessible_base : Error< "cannot decompose members of inaccessible base class %1 of %0">, AccessControl; def err_decomp_decl_inaccessible_field : Error< "cannot decompose %select{private|protected}0 member %1 of %3">, AccessControl; def err_decomp_decl_anon_union_member : Error< "cannot decompose class type %0 because it has an anonymous " "%select{struct|union}1 member">; def err_decomp_decl_std_tuple_element_not_specialized : Error< "cannot decompose this type; 'std::tuple_element<%0>::type' " "does not name a type">; def err_decomp_decl_std_tuple_size_not_constant : Error< "cannot decompose this type; 'std::tuple_size<%0>::value' " "is not a valid integral constant expression">; def note_in_binding_decl_init : Note< "in implicit initialization of binding declaration %0">; def err_std_type_trait_not_class_template : Error< "unsupported standard library implementation: " "'std::%0' is not a class template">; // C++ using declarations def err_using_requires_qualname : Error< "using declaration requires a qualified name">; def err_using_typename_non_type : Error< "'typename' keyword used on a non-type">; def err_using_dependent_value_is_type : Error< "dependent using declaration resolved to type without 'typename'">; def err_using_decl_nested_name_specifier_is_not_class : Error< "using declaration in class refers into '%0', which is not a class">; def err_using_decl_nested_name_specifier_is_current_class : Error< "using declaration refers to its own class">; def err_using_decl_nested_name_specifier_is_not_base_class : Error< "using declaration refers into '%0', which is not a base class of %1">; def err_using_decl_constructor_not_in_direct_base : Error< "%0 is not a direct base of %1, cannot inherit constructors">; def err_using_decl_can_not_refer_to_class_member : Error< "using declaration cannot refer to class member">; def err_ambiguous_inherited_constructor : Error< "constructor of %0 inherited from multiple base class subobjects">; def note_ambiguous_inherited_constructor_using : Note< "inherited from base class %0 here">; def note_using_decl_class_member_workaround : Note< "use %select{an alias declaration|a typedef declaration|a reference|" "a const variable|a constexpr variable}0 instead">; def err_using_decl_can_not_refer_to_namespace : Error< "using declaration cannot refer to a namespace">; def err_using_decl_can_not_refer_to_scoped_enum : Error< "using declaration cannot refer to a scoped enumerator">; def err_using_decl_constructor : Error< "using declaration cannot refer to a constructor">; def warn_cxx98_compat_using_decl_constructor : Warning< "inheriting constructors are incompatible with C++98">, InGroup, DefaultIgnore; def err_using_decl_destructor : Error< "using declaration cannot refer to a destructor">; def err_using_decl_template_id : Error< "using declaration cannot refer to a template specialization">; def note_using_decl_target : Note<"target of using declaration">; def note_using_decl_conflict : Note<"conflicting declaration">; def err_using_decl_redeclaration : Error<"redeclaration of using declaration">; def err_using_decl_conflict : Error< "target of using declaration conflicts with declaration already in scope">; def err_using_decl_conflict_reverse : Error< "declaration conflicts with target of using declaration already in scope">; def note_using_decl : Note<"%select{|previous }0using declaration">; def err_using_decl_redeclaration_expansion : Error< "using declaration pack expansion at block scope produces multiple values">; def warn_access_decl_deprecated : Warning< "access declarations are deprecated; use using declarations instead">, InGroup; def err_access_decl : Error< "ISO C++11 does not allow access declarations; " "use using declarations instead">; def warn_deprecated_copy_operation : Warning< "definition of implicit copy %select{constructor|assignment operator}1 " "for %0 is deprecated because it has a user-declared copy " "%select{assignment operator|constructor}1">, InGroup, DefaultIgnore; def warn_deprecated_copy_dtor_operation : Warning< "definition of implicit copy %select{constructor|assignment operator}1 " "for %0 is deprecated because it has a user-declared destructor">, InGroup, DefaultIgnore; def warn_cxx17_compat_exception_spec_in_signature : Warning< "mangled name of %0 will change in C++17 due to non-throwing exception " "specification in function signature">, InGroup; def warn_global_constructor : Warning< "declaration requires a global constructor">, InGroup, DefaultIgnore; def warn_global_destructor : Warning< "declaration requires a global destructor">, InGroup, DefaultIgnore; def warn_exit_time_destructor : Warning< "declaration requires an exit-time destructor">, InGroup, DefaultIgnore; def err_invalid_thread : Error< "'%0' is only allowed on variable declarations">; def err_thread_non_global : Error< "'%0' variables must have global storage">; def err_thread_unsupported : Error< "thread-local storage is not supported for the current target">; // FIXME: Combine fallout warnings to just one warning. def warn_maybe_falloff_nonvoid_function : Warning< "non-void function does not return a value in all control paths">, InGroup; def warn_falloff_nonvoid_function : Warning< "non-void function does not return a value">, InGroup; def err_maybe_falloff_nonvoid_block : Error< "non-void block does not return a value in all control paths">; def err_falloff_nonvoid_block : Error< "non-void block does not return a value">; def warn_maybe_falloff_nonvoid_coroutine : Warning< "non-void coroutine does not return a value in all control paths">, InGroup; def warn_falloff_nonvoid_coroutine : Warning< "non-void coroutine does not return a value">, InGroup; def warn_suggest_noreturn_function : Warning< "%select{function|method}0 %1 could be declared with attribute 'noreturn'">, InGroup, DefaultIgnore; def warn_suggest_noreturn_block : Warning< "block could be declared with attribute 'noreturn'">, InGroup, DefaultIgnore; // Unreachable code. def warn_unreachable : Warning< "code will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_break : Warning< "'break' will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_return : Warning< "'return' will never be executed">, InGroup, DefaultIgnore; def warn_unreachable_loop_increment : Warning< "loop will run at most once (loop increment never executed)">, InGroup, DefaultIgnore; def note_unreachable_silence : Note< "silence by adding parentheses to mark code as explicitly dead">; /// Built-in functions. def ext_implicit_lib_function_decl : ExtWarn< "implicitly declaring library function '%0' with type %1">, InGroup; def note_include_header_or_declare : Note< "include the header <%0> or explicitly provide a declaration for '%1'">; def note_previous_builtin_declaration : Note<"%0 is a builtin with type %1">; def warn_implicit_decl_no_jmp_buf : Warning<"declaration of built-in function '%0' requires the declaration" " of the 'jmp_buf' type, commonly provided in the header .">, InGroup>; def warn_implicit_decl_requires_sysheader : Warning< "declaration of built-in function '%1' requires inclusion of the header <%0>">, InGroup; def warn_redecl_library_builtin : Warning< "incompatible redeclaration of library function %0">, InGroup>; def err_builtin_definition : Error<"definition of builtin function %0">; def err_builtin_redeclare : Error<"cannot redeclare builtin function %0">; def err_arm_invalid_specialreg : Error<"invalid special register for builtin">; def err_arm_invalid_coproc : Error<"coprocessor %0 must be configured as " "%select{GCP|CDE}1">; def err_invalid_cpu_supports : Error<"invalid cpu feature string for builtin">; def err_invalid_cpu_is : Error<"invalid cpu name for builtin">; def err_invalid_cpu_specific_dispatch_value : Error< "invalid option '%0' for %select{cpu_specific|cpu_dispatch}1">; def warn_builtin_unknown : Warning<"use of unknown builtin %0">, InGroup, DefaultError; def warn_cstruct_memaccess : Warning< "%select{destination for|source of|first operand of|second operand of}0 this " "%1 call is a pointer to record %2 that is not trivial to " "%select{primitive-default-initialize|primitive-copy}3">, InGroup; def note_nontrivial_field : Note< "field is non-trivial to %select{copy|default-initialize}0">; def err_non_trivial_c_union_in_invalid_context : Error< "cannot %select{" "use type %1 for a function/method parameter|" "use type %1 for function/method return|" "default-initialize an object of type %1|" "declare an automatic variable of type %1|" "copy-initialize an object of type %1|" "assign to a variable of type %1|" "construct an automatic compound literal of type %1|" "capture a variable of type %1|" "cannot use volatile type %1 where it causes an lvalue-to-rvalue conversion" "}3 " "since it %select{contains|is}2 a union that is non-trivial to " "%select{default-initialize|destruct|copy}0">; def note_non_trivial_c_union : Note< "%select{%2 has subobjects that are|%3 has type %2 that is}0 " "non-trivial to %select{default-initialize|destruct|copy}1">; def warn_dyn_class_memaccess : Warning< "%select{destination for|source of|first operand of|second operand of}0 this " "%1 call is a pointer to %select{|class containing a }2dynamic class %3; " "vtable pointer will be %select{overwritten|copied|moved|compared}4">, InGroup; def note_bad_memaccess_silence : Note< "explicitly cast the pointer to silence this warning">; def warn_sizeof_pointer_expr_memaccess : Warning< "'%0' call operates on objects of type %1 while the size is based on a " "different type %2">, InGroup; def warn_sizeof_pointer_expr_memaccess_note : Note< "did you mean to %select{dereference the argument to 'sizeof' (and multiply " "it by the number of elements)|remove the addressof in the argument to " "'sizeof' (and multiply it by the number of elements)|provide an explicit " "length}0?">; def warn_sizeof_pointer_type_memaccess : Warning< "argument to 'sizeof' in %0 call is the same pointer type %1 as the " "%select{destination|source}2; expected %3 or an explicit length">, InGroup; def warn_strlcpycat_wrong_size : Warning< "size argument in %0 call appears to be size of the source; " "expected the size of the destination">, InGroup>; def note_strlcpycat_wrong_size : Note< "change size argument to be the size of the destination">; def warn_memsize_comparison : Warning< "size argument in %0 call is a comparison">, InGroup>; def note_memsize_comparison_paren : Note< "did you mean to compare the result of %0 instead?">; def note_memsize_comparison_cast_silence : Note< "explicitly cast the argument to size_t to silence this warning">; def warn_suspicious_sizeof_memset : Warning< "%select{'size' argument to memset is '0'|" "setting buffer to a 'sizeof' expression}0" "; did you mean to transpose the last two arguments?">, InGroup; def note_suspicious_sizeof_memset_silence : Note< "%select{parenthesize the third argument|" "cast the second argument to 'int'}0 to silence">; def warn_suspicious_bzero_size : Warning<"'size' argument to bzero is '0'">, InGroup; def note_suspicious_bzero_size_silence : Note< "parenthesize the second argument to silence">; def warn_strncat_large_size : Warning< "the value of the size argument in 'strncat' is too large, might lead to a " "buffer overflow">, InGroup; def warn_strncat_src_size : Warning<"size argument in 'strncat' call appears " "to be size of the source">, InGroup; def warn_strncat_wrong_size : Warning< "the value of the size argument to 'strncat' is wrong">, InGroup; def note_strncat_wrong_size : Note< "change the argument to be the free space in the destination buffer minus " "the terminating null byte">; def warn_assume_side_effects : Warning< "the argument to %0 has side effects that will be discarded">, InGroup>; def warn_builtin_chk_overflow : Warning< "'%0' will always overflow; destination buffer has size %1," " but size argument is %2">, InGroup>; def warn_fortify_source_overflow : Warning, InGroup; def warn_fortify_source_size_mismatch : Warning< "'%0' size argument is too large; destination buffer has size %1," " but size argument is %2">, InGroup; def warn_fortify_source_format_overflow : Warning< "'%0' will always overflow; destination buffer has size %1," " but format string expands to at least %2">, InGroup; /// main() // static main() is not an error in C, just in C++. def warn_static_main : Warning<"'main' should not be declared static">, InGroup
; def err_static_main : Error<"'main' is not allowed to be declared static">; def err_inline_main : Error<"'main' is not allowed to be declared inline">; def ext_variadic_main : ExtWarn< "'main' is not allowed to be declared variadic">, InGroup
; def ext_noreturn_main : ExtWarn< "'main' is not allowed to be declared _Noreturn">, InGroup
; def note_main_remove_noreturn : Note<"remove '_Noreturn'">; def err_constexpr_main : Error< "'main' is not allowed to be declared %select{constexpr|consteval}0">; def err_deleted_main : Error<"'main' is not allowed to be deleted">; def err_mainlike_template_decl : Error<"%0 cannot be a template">; def err_main_returns_nonint : Error<"'main' must return 'int'">; def ext_main_returns_nonint : ExtWarn<"return type of 'main' is not 'int'">, InGroup; def note_main_change_return_type : Note<"change return type to 'int'">; def err_main_surplus_args : Error<"too many parameters (%0) for 'main': " "must be 0, 2, or 3">; def warn_main_one_arg : Warning<"only one parameter on 'main' declaration">, InGroup
; def err_main_arg_wrong : Error<"%select{first|second|third|fourth}0 " "parameter of 'main' (%select{argument count|argument array|environment|" "platform-specific data}0) must be of type %1">; def warn_main_returns_bool_literal : Warning<"bool literal returned from " "'main'">, InGroup
; def err_main_global_variable : Error<"main cannot be declared as global variable">; def warn_main_redefined : Warning<"variable named 'main' with external linkage " "has undefined behavior">, InGroup
; def ext_main_used : Extension< "ISO C++ does not allow 'main' to be used by a program">, InGroup
; /// parser diagnostics def ext_no_declarators : ExtWarn<"declaration does not declare anything">, InGroup; def ext_typedef_without_a_name : ExtWarn<"typedef requires a name">, InGroup; def err_typedef_not_identifier : Error<"typedef name must be an identifier">; def ext_non_c_like_anon_struct_in_typedef : ExtWarn< "anonymous non-C-compatible type given name for linkage purposes " "by %select{typedef|alias}0 declaration; " "add a tag name here">, InGroup>; def err_non_c_like_anon_struct_in_typedef : Error< "anonymous non-C-compatible type given name for linkage purposes " "by %select{typedef|alias}0 declaration after its linkage was computed; " "add a tag name here to establish linkage prior to definition">; def err_typedef_changes_linkage : Error< "unsupported: anonymous type given name for linkage purposes " "by %select{typedef|alias}0 declaration after its linkage was computed; " "add a tag name here to establish linkage prior to definition">; def note_non_c_like_anon_struct : Note< "type is not C-compatible due to this " "%select{base class|default member initializer|lambda expression|" "friend declaration|member declaration}0">; def note_typedef_for_linkage_here : Note< "type is given name %0 for linkage purposes by this " "%select{typedef|alias}1 declaration">; def err_statically_allocated_object : Error< "interface type cannot be statically allocated">; def err_object_cannot_be_passed_returned_by_value : Error< "interface type %1 cannot be %select{returned|passed}0 by value" "; did you forget * in %1?">; def err_parameters_retval_cannot_have_fp16_type : Error< "%select{parameters|function return value}0 cannot have __fp16 type; did you forget * ?">; def err_opencl_half_load_store : Error< "%select{loading directly from|assigning directly to}0 pointer to type %1 requires " "cl_khr_fp16. Use vector data %select{load|store}0 builtin functions instead">; def err_opencl_cast_to_half : Error<"casting to type %0 is not allowed">; def err_opencl_half_declaration : Error< "declaring variable of type %0 is not allowed">; def err_opencl_half_param : Error< "declaring function parameter of type %0 is not allowed; did you forget * ?">; def err_opencl_invalid_return : Error< "declaring function return value of type %0 is not allowed %select{; did you forget * ?|}1">; def warn_enum_value_overflow : Warning<"overflow in enumeration value">; def warn_pragma_options_align_reset_failed : Warning< "#pragma options align=reset failed: %0">, InGroup; def err_pragma_options_align_mac68k_target_unsupported : Error< "mac68k alignment pragma is not supported on this target">; def warn_pragma_pack_invalid_alignment : Warning< "expected #pragma pack parameter to be '1', '2', '4', '8', or '16'">, InGroup; def warn_pragma_pack_non_default_at_include : Warning< "non-default #pragma pack value changes the alignment of struct or union " "members in the included file">, InGroup, DefaultIgnore; def warn_pragma_pack_modified_after_include : Warning< "the current #pragma pack alignment value is modified in the included " "file">, InGroup; def warn_pragma_pack_no_pop_eof : Warning<"unterminated " "'#pragma pack (push, ...)' at end of file">, InGroup; def note_pragma_pack_here : Note< "previous '#pragma pack' directive that modifies alignment is here">; def note_pragma_pack_pop_instead_reset : Note< "did you intend to use '#pragma pack (pop)' instead of '#pragma pack()'?">; // Follow the Microsoft implementation. def warn_pragma_pack_show : Warning<"value of #pragma pack(show) == %0">; def warn_pragma_pack_pop_identifier_and_alignment : Warning< "specifying both a name and alignment to 'pop' is undefined">; def warn_pragma_pop_failed : Warning<"#pragma %0(pop, ...) failed: %1">, InGroup; def err_pragma_fc_pp_scope : Error< "'#pragma float_control push/pop' can only appear at file scope or namespace scope">; def err_pragma_fc_noprecise_requires_nofenv : Error< "'#pragma float_control(precise, off)' is illegal when fenv_access is enabled">; def err_pragma_fc_except_requires_precise : Error< "'#pragma float_control(except, on)' is illegal when precise is disabled">; def err_pragma_fc_noprecise_requires_noexcept : Error< "'#pragma float_control(precise, off)' is illegal when except is enabled">; def err_pragma_fenv_requires_precise : Error< "'#pragma STDC FENV_ACCESS ON' is illegal when precise is disabled">; def warn_cxx_ms_struct : Warning<"ms_struct may not produce Microsoft-compatible layouts for classes " "with base classes or virtual functions">, DefaultError, InGroup; def err_section_conflict : Error<"%0 causes a section type conflict with %1">; def err_no_base_classes : Error<"invalid use of '__super', %0 has no base classes">; def err_invalid_super_scope : Error<"invalid use of '__super', " "this keyword can only be used inside class or member function scope">; def err_super_in_lambda_unsupported : Error< "use of '__super' inside a lambda is unsupported">; def warn_pragma_unused_undeclared_var : Warning< "undeclared variable %0 used as an argument for '#pragma unused'">, InGroup; def warn_atl_uuid_deprecated : Warning< "specifying 'uuid' as an ATL attribute is deprecated; use __declspec instead">, InGroup; def warn_pragma_unused_expected_var_arg : Warning< "only variables can be arguments to '#pragma unused'">, InGroup; def err_pragma_push_visibility_mismatch : Error< "#pragma visibility push with no matching #pragma visibility pop">; def note_surrounding_namespace_ends_here : Note< "surrounding namespace with visibility attribute ends here">; def err_pragma_pop_visibility_mismatch : Error< "#pragma visibility pop with no matching #pragma visibility push">; def note_surrounding_namespace_starts_here : Note< "surrounding namespace with visibility attribute starts here">; def err_pragma_loop_invalid_argument_type : Error< "invalid argument of type %0; expected an integer type">; def err_pragma_loop_invalid_argument_value : Error< "%select{invalid value '%0'; must be positive|value '%0' is too large}1">; def err_pragma_loop_compatibility : Error< "%select{incompatible|duplicate}0 directives '%1' and '%2'">; def err_pragma_loop_precedes_nonloop : Error< "expected a for, while, or do-while loop to follow '%0'">; def err_pragma_attribute_matcher_subrule_contradicts_rule : Error< "redundant attribute subject matcher sub-rule '%0'; '%1' already matches " "those declarations">; def err_pragma_attribute_matcher_negated_subrule_contradicts_subrule : Error< "negated attribute subject matcher sub-rule '%0' contradicts sub-rule '%1'">; def err_pragma_attribute_invalid_matchers : Error< "attribute %0 can't be applied to %1">; def err_pragma_attribute_stack_mismatch : Error< "'#pragma clang attribute %select{%1.|}0pop' with no matching" " '#pragma clang attribute %select{%1.|}0push'">; def warn_pragma_attribute_unused : Warning< "unused attribute %0 in '#pragma clang attribute push' region">, InGroup; def note_pragma_attribute_region_ends_here : Note< "'#pragma clang attribute push' regions ends here">; def err_pragma_attribute_no_pop_eof : Error<"unterminated " "'#pragma clang attribute push' at end of file">; def note_pragma_attribute_applied_decl_here : Note< "when applied to this declaration">; def err_pragma_attr_attr_no_push : Error< "'#pragma clang attribute' attribute with no matching " "'#pragma clang attribute push'">; /// Objective-C parser diagnostics def err_duplicate_class_def : Error< "duplicate interface definition for class %0">; def err_undef_superclass : Error< "cannot find interface declaration for %0, superclass of %1">; def err_forward_superclass : Error< "attempting to use the forward class %0 as superclass of %1">; def err_no_nsconstant_string_class : Error< "cannot find interface declaration for %0">; def err_recursive_superclass : Error< "trying to recursively use %0 as superclass of %1">; def err_conflicting_aliasing_type : Error<"conflicting types for alias %0">; def warn_undef_interface : Warning<"cannot find interface declaration for %0">; def warn_duplicate_protocol_def : Warning< "duplicate protocol definition of %0 is ignored">, InGroup>; def err_protocol_has_circular_dependency : Error< "protocol has circular dependency">; def err_undeclared_protocol : Error<"cannot find protocol declaration for %0">; def warn_undef_protocolref : Warning<"cannot find protocol definition for %0">; def err_atprotocol_protocol : Error< "@protocol is using a forward protocol declaration of %0">; def warn_readonly_property : Warning< "attribute 'readonly' of property %0 restricts attribute " "'readwrite' of property inherited from %1">, InGroup; def warn_property_attribute : Warning< "'%1' attribute on property %0 does not match the property inherited from %2">, InGroup; def warn_property_types_are_incompatible : Warning< "property type %0 is incompatible with type %1 inherited from %2">, InGroup>; def warn_protocol_property_mismatch : Warning< "property %select{of type %1|with attribute '%1'|without attribute '%1'|with " "getter %1|with setter %1}0 was selected for synthesis">, InGroup>; def err_protocol_property_mismatch: Error; def err_undef_interface : Error<"cannot find interface declaration for %0">; def err_category_forward_interface : Error< "cannot define %select{category|class extension}0 for undefined class %1">; def err_class_extension_after_impl : Error< "cannot declare class extension for %0 after class implementation">; def note_implementation_declared : Note< "class implementation is declared here">; def note_while_in_implementation : Note< "detected while default synthesizing properties in class implementation">; def note_class_declared : Note< "class is declared here">; def note_receiver_class_declared : Note< "receiver is instance of class declared here">; def note_receiver_expr_here : Note< "receiver expression is here">; def note_receiver_is_id : Note< "receiver is treated with 'id' type for purpose of method lookup">; def note_suppressed_class_declare : Note< "class with specified objc_requires_property_definitions attribute is declared here">; def err_objc_root_class_subclass : Error< "objc_root_class attribute may only be specified on a root class declaration">; def err_restricted_superclass_mismatch : Error< "cannot subclass a class that was declared with the " "'objc_subclassing_restricted' attribute">; def err_class_stub_subclassing_mismatch : Error< "'objc_class_stub' attribute cannot be specified on a class that does not " "have the 'objc_subclassing_restricted' attribute">; def err_implementation_of_class_stub : Error< "cannot declare implementation of a class declared with the " "'objc_class_stub' attribute">; def warn_objc_root_class_missing : Warning< "class %0 defined without specifying a base class">, InGroup; def err_objc_runtime_visible_category : Error< "cannot implement a category for class %0 that is only visible via the " "Objective-C runtime">; def err_objc_runtime_visible_subclass : Error< "cannot implement subclass %0 of a superclass %1 that is only visible via the " "Objective-C runtime">; def note_objc_needs_superclass : Note< "add a super class to fix this problem">; def err_conflicting_super_class : Error<"conflicting super class name %0">; def err_dup_implementation_class : Error<"reimplementation of class %0">; def err_dup_implementation_category : Error< "reimplementation of category %1 for class %0">; def err_conflicting_ivar_type : Error< "instance variable %0 has conflicting type%diff{: $ vs $|}1,2">; def err_duplicate_ivar_declaration : Error< "instance variable is already declared">; def warn_on_superclass_use : Warning< "class implementation may not have super class">; def err_conflicting_ivar_bitwidth : Error< "instance variable %0 has conflicting bit-field width">; def err_conflicting_ivar_name : Error< "conflicting instance variable names: %0 vs %1">; def err_inconsistent_ivar_count : Error< "inconsistent number of instance variables specified">; def warn_undef_method_impl : Warning<"method definition for %0 not found">, InGroup>; def warn_objc_boxing_invalid_utf8_string : Warning< "string is ill-formed as UTF-8 and will become a null %0 when boxed">, InGroup; def err_objc_direct_on_protocol : Error< "'objc_direct' attribute cannot be applied to %select{methods|properties}0 " "declared in an Objective-C protocol">; def err_objc_direct_duplicate_decl : Error< "%select{|direct }0%select{method|property}1 declaration conflicts " "with previous %select{|direct }2declaration of %select{method|property}1 %3">; def err_objc_direct_impl_decl_mismatch : Error< "direct method was declared in %select{the primary interface|an extension|a category}0 " "but is implemented in %select{the primary interface|a category|a different category}1">; def err_objc_direct_missing_on_decl : Error< "direct method implementation was previously declared not direct">; def err_objc_direct_on_override : Error< "methods that %select{override superclass methods|implement protocol requirements}0 cannot be direct">; def err_objc_override_direct_method : Error< "cannot override a method that is declared direct by a superclass">; def warn_objc_direct_ignored : Warning< "%0 attribute isn't implemented by this Objective-C runtime">, InGroup; def warn_objc_direct_property_ignored : Warning< "direct attribute on property %0 ignored (not implemented by this Objective-C runtime)">, InGroup; def err_objc_direct_dynamic_property : Error< "direct property cannot be @dynamic">; def warn_conflicting_overriding_ret_types : Warning< "conflicting return type in " "declaration of %0%diff{: $ vs $|}1,2">, InGroup, DefaultIgnore; def warn_conflicting_ret_types : Warning< "conflicting return type in " "implementation of %0%diff{: $ vs $|}1,2">, InGroup; def warn_conflicting_overriding_ret_type_modifiers : Warning< "conflicting distributed object modifiers on return type " "in declaration of %0">, InGroup, DefaultIgnore; def warn_conflicting_ret_type_modifiers : Warning< "conflicting distributed object modifiers on return type " "in implementation of %0">, InGroup; def warn_non_covariant_overriding_ret_types : Warning< "conflicting return type in " "declaration of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_non_covariant_ret_types : Warning< "conflicting return type in " "implementation of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_conflicting_overriding_param_types : Warning< "conflicting parameter types in " "declaration of %0%diff{: $ vs $|}1,2">, InGroup, DefaultIgnore; def warn_conflicting_param_types : Warning< "conflicting parameter types in " "implementation of %0%diff{: $ vs $|}1,2">, InGroup; def warn_conflicting_param_modifiers : Warning< "conflicting distributed object modifiers on parameter type " "in implementation of %0">, InGroup; def warn_conflicting_overriding_param_modifiers : Warning< "conflicting distributed object modifiers on parameter type " "in declaration of %0">, InGroup, DefaultIgnore; def warn_non_contravariant_overriding_param_types : Warning< "conflicting parameter types in " "declaration of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_non_contravariant_param_types : Warning< "conflicting parameter types in " "implementation of %0: %1 vs %2">, InGroup, DefaultIgnore; def warn_conflicting_overriding_variadic :Warning< "conflicting variadic declaration of method and its " "implementation">, InGroup, DefaultIgnore; def warn_conflicting_variadic :Warning< "conflicting variadic declaration of method and its " "implementation">; def warn_category_method_impl_match:Warning< "category is implementing a method which will also be implemented" " by its primary class">, InGroup; def warn_implements_nscopying : Warning< "default assign attribute on property %0 which implements " "NSCopying protocol is not appropriate with -fobjc-gc[-only]">; def warn_multiple_method_decl : Warning<"multiple methods named %0 found">, InGroup; def warn_strict_multiple_method_decl : Warning< "multiple methods named %0 found">, InGroup, DefaultIgnore; def warn_accessor_property_type_mismatch : Warning< "type of property %0 does not match type of accessor %1">; def note_conv_function_declared_at : Note<"type conversion function declared here">; def note_method_declared_at : Note<"method %0 declared here">; def note_direct_method_declared_at : Note<"direct method %0 declared here">; def note_property_attribute : Note<"property %0 is declared " "%select{deprecated|unavailable|partial}1 here">; def err_setter_type_void : Error<"type of setter must be void">; def err_duplicate_method_decl : Error<"duplicate declaration of method %0">; def warn_duplicate_method_decl : Warning<"multiple declarations of method %0 found and ignored">, InGroup, DefaultIgnore; def warn_objc_cdirective_format_string : Warning<"using %0 directive in %select{NSString|CFString}1 " "which is being passed as a formatting argument to the formatting " "%select{method|CFfunction}2">, InGroup, DefaultIgnore; def err_objc_var_decl_inclass : Error<"cannot declare variable inside @interface or @protocol">; def err_missing_method_context : Error< "missing context for method declaration">; def err_objc_property_attr_mutually_exclusive : Error< "property attributes '%0' and '%1' are mutually exclusive">; def err_objc_property_requires_object : Error< "property with '%0' attribute must be of object type">; def warn_objc_property_assign_on_object : Warning< "'assign' property of object type may become a dangling reference; consider using 'unsafe_unretained'">, InGroup, DefaultIgnore; def warn_objc_property_no_assignment_attribute : Warning< "no 'assign', 'retain', or 'copy' attribute is specified - " "'assign' is assumed">, InGroup; def warn_objc_isa_use : Warning< "direct access to Objective-C's isa is deprecated in favor of " "object_getClass()">, InGroup; def warn_objc_isa_assign : Warning< "assignment to Objective-C's isa is deprecated in favor of " "object_setClass()">, InGroup; def warn_objc_pointer_masking : Warning< "bitmasking for introspection of Objective-C object pointers is strongly " "discouraged">, InGroup; def warn_objc_pointer_masking_performSelector : Warning, InGroup; def warn_objc_property_default_assign_on_object : Warning< "default property attribute 'assign' not appropriate for object">, InGroup; def warn_property_attr_mismatch : Warning< "property attribute in class extension does not match the primary class">, InGroup; def warn_property_implicitly_mismatched : Warning < "primary property declaration is implicitly strong while redeclaration " "in class extension is weak">, InGroup>; def warn_objc_property_copy_missing_on_block : Warning< "'copy' attribute must be specified for the block property " "when -fobjc-gc-only is specified">; def warn_objc_property_retain_of_block : Warning< "retain'ed block property does not copy the block " "- use copy attribute instead">, InGroup; def warn_objc_readonly_property_has_setter : Warning< "setter cannot be specified for a readonly property">, InGroup; def warn_atomic_property_rule : Warning< "writable atomic property %0 cannot pair a synthesized %select{getter|setter}1 " "with a user defined %select{getter|setter}2">, InGroup>; def note_atomic_property_fixup_suggest : Note<"setter and getter must both be " "synthesized, or both be user defined,or the property must be nonatomic">; def err_atomic_property_nontrivial_assign_op : Error< "atomic property of reference type %0 cannot have non-trivial assignment" " operator">; def warn_cocoa_naming_owned_rule : Warning< "property follows Cocoa naming" " convention for returning 'owned' objects">, InGroup>; def err_cocoa_naming_owned_rule : Error< "property follows Cocoa naming" " convention for returning 'owned' objects">; def note_cocoa_naming_declare_family : Note< "explicitly declare getter %objcinstance0 with '%1' to return an 'unowned' " "object">; def warn_auto_synthesizing_protocol_property :Warning< "auto property synthesis will not synthesize property %0" " declared in protocol %1">, InGroup>; def note_add_synthesize_directive : Note< "add a '@synthesize' directive">; def warn_no_autosynthesis_shared_ivar_property : Warning < "auto property synthesis will not synthesize property " "%0 because it cannot share an ivar with another synthesized property">, InGroup; def warn_no_autosynthesis_property : Warning< "auto property synthesis will not synthesize property " "%0 because it is 'readwrite' but it will be synthesized 'readonly' " "via another property">, InGroup; def warn_autosynthesis_property_in_superclass : Warning< "auto property synthesis will not synthesize property " "%0; it will be implemented by its superclass, use @dynamic to " "acknowledge intention">, InGroup; def warn_autosynthesis_property_ivar_match :Warning< "autosynthesized property %0 will use %select{|synthesized}1 instance variable " "%2, not existing instance variable %3">, InGroup>; def warn_missing_explicit_synthesis : Warning < "auto property synthesis is synthesizing property not explicitly synthesized">, InGroup>, DefaultIgnore; def warn_property_getter_owning_mismatch : Warning< "property declared as returning non-retained objects" "; getter returning retained objects">; def warn_property_redecl_getter_mismatch : Warning< "getter name mismatch between property redeclaration (%1) and its original " "declaration (%0)">, InGroup; def err_property_setter_ambiguous_use : Error< "synthesized properties %0 and %1 both claim setter %2 -" " use of this setter will cause unexpected behavior">; def warn_default_atomic_custom_getter_setter : Warning< "atomic by default property %0 has a user defined %select{getter|setter}1 " "(property should be marked 'atomic' if this is intended)">, InGroup, DefaultIgnore; def err_use_continuation_class : Error< "illegal redeclaration of property in class extension %0" " (attribute must be 'readwrite', while its primary must be 'readonly')">; def err_type_mismatch_continuation_class : Error< "type of property %0 in class extension does not match " "property type in primary class">; def err_use_continuation_class_redeclaration_readwrite : Error< "illegal redeclaration of 'readwrite' property in class extension %0" " (perhaps you intended this to be a 'readwrite' redeclaration of a " "'readonly' public property?)">; def err_continuation_class : Error<"class extension has no primary class">; def err_property_type : Error<"property cannot have array or function type %0">; def err_missing_property_context : Error< "missing context for property implementation declaration">; def err_bad_property_decl : Error< "property implementation must have its declaration in interface %0 or one of " "its extensions">; def err_category_property : Error< "property declared in category %0 cannot be implemented in " "class implementation">; def note_property_declare : Note< "property declared here">; def note_protocol_property_declare : Note< "it could also be property " "%select{of type %1|without attribute '%1'|with attribute '%1'|with getter " "%1|with setter %1}0 declared here">; def note_property_synthesize : Note< "property synthesized here">; def err_synthesize_category_decl : Error< "@synthesize not allowed in a category's implementation">; def err_synthesize_on_class_property : Error< "@synthesize not allowed on a class property %0">; def err_missing_property_interface : Error< "property implementation in a category with no category declaration">; def err_bad_category_property_decl : Error< "property implementation must have its declaration in the category %0">; def err_bad_property_context : Error< "property implementation must be in a class or category implementation">; def err_missing_property_ivar_decl : Error< "synthesized property %0 must either be named the same as a compatible" " instance variable or must explicitly name an instance variable">; def err_arc_perform_selector_retains : Error< "performSelector names a selector which retains the object">; def warn_arc_perform_selector_leaks : Warning< "performSelector may cause a leak because its selector is unknown">, InGroup>; def warn_dealloc_in_category : Warning< "-dealloc is being overridden in a category">, InGroup; def err_gc_weak_property_strong_type : Error< "weak attribute declared on a __strong type property in GC mode">; def warn_arc_repeated_use_of_weak : Warning < "weak %select{variable|property|implicit property|instance variable}0 %1 is " "accessed multiple times in this %select{function|method|block|lambda}2 " "but may be unpredictably set to nil; assign to a strong variable to keep " "the object alive">, InGroup, DefaultIgnore; def warn_implicitly_retains_self : Warning < "block implicitly retains 'self'; explicitly mention 'self' to indicate " "this is intended behavior">, InGroup>, DefaultIgnore; def warn_arc_possible_repeated_use_of_weak : Warning < "weak %select{variable|property|implicit property|instance variable}0 %1 may " "be accessed multiple times in this %select{function|method|block|lambda}2 " "and may be unpredictably set to nil; assign to a strong variable to keep " "the object alive">, InGroup, DefaultIgnore; def note_arc_weak_also_accessed_here : Note< "also accessed here">; def err_incomplete_synthesized_property : Error< "cannot synthesize property %0 with incomplete type %1">; def err_property_ivar_type : Error< "type of property %0 (%1) does not match type of instance variable %2 (%3)">; def err_property_accessor_type : Error< "type of property %0 (%1) does not match type of accessor %2 (%3)">; def err_ivar_in_superclass_use : Error< "property %0 attempting to use instance variable %1 declared in super class %2">; def err_weak_property : Error< "existing instance variable %1 for __weak property %0 must be __weak">; def err_strong_property : Error< "existing instance variable %1 for strong property %0 may not be __weak">; def err_dynamic_property_ivar_decl : Error< "dynamic property cannot have instance variable specification">; def err_duplicate_ivar_use : Error< "synthesized properties %0 and %1 both claim instance variable %2">; def err_property_implemented : Error<"property %0 is already implemented">; def warn_objc_missing_super_call : Warning< "method possibly missing a [super %0] call">, InGroup; def err_dealloc_bad_result_type : Error< "dealloc return type must be correctly specified as 'void' under ARC, " "instead of %0">; def warn_undeclared_selector : Warning< "undeclared selector %0">, InGroup, DefaultIgnore; def warn_undeclared_selector_with_typo : Warning< "undeclared selector %0; did you mean %1?">, InGroup, DefaultIgnore; def warn_implicit_atomic_property : Warning< "property is assumed atomic by default">, InGroup, DefaultIgnore; def note_auto_readonly_iboutlet_fixup_suggest : Note< "property should be changed to be readwrite">; def warn_auto_readonly_iboutlet_property : Warning< "readonly IBOutlet property %0 when auto-synthesized may " "not work correctly with 'nib' loader">, InGroup>; def warn_auto_implicit_atomic_property : Warning< "property is assumed atomic when auto-synthesizing the property">, InGroup, DefaultIgnore; def warn_unimplemented_selector: Warning< "no method with selector %0 is implemented in this translation unit">, InGroup, DefaultIgnore; def warn_unimplemented_protocol_method : Warning< "method %0 in protocol %1 not implemented">, InGroup; def warn_multiple_selectors: Warning< "several methods with selector %0 of mismatched types are found " "for the @selector expression">, InGroup, DefaultIgnore; def err_direct_selector_expression: Error< "@selector expression formed with direct selector %0">; def err_objc_kindof_nonobject : Error< "'__kindof' specifier cannot be applied to non-object type %0">; def err_objc_kindof_wrong_position : Error< "'__kindof' type specifier must precede the declarator">; def err_objc_method_unsupported_param_ret_type : Error< "%0 %select{parameter|return}1 type is unsupported; " "support for vector types for this target is introduced in %2">; def warn_messaging_unqualified_id : Warning< "messaging unqualified id">, DefaultIgnore, InGroup>; def err_messaging_unqualified_id_with_direct_method : Error< "messaging unqualified id with a method that is possibly direct">; def err_messaging_super_with_direct_method : Error< "messaging super with a direct method">; def err_messaging_class_with_direct_method : Error< "messaging a Class with a method that is possibly direct">; // C++ declarations def err_static_assert_expression_is_not_constant : Error< "static_assert expression is not an integral constant expression">; def err_static_assert_failed : Error<"static_assert failed%select{ %1|}0">; def err_static_assert_requirement_failed : Error< "static_assert failed due to requirement '%0'%select{ %2|}1">; def ext_inline_variable : ExtWarn< "inline variables are a C++17 extension">, InGroup; def warn_cxx14_compat_inline_variable : Warning< "inline variables are incompatible with C++ standards before C++17">, DefaultIgnore, InGroup; def warn_inline_namespace_reopened_noninline : Warning< "inline namespace reopened as a non-inline namespace">; def err_inline_namespace_mismatch : Error< "non-inline namespace cannot be reopened as inline">; def err_unexpected_friend : Error< "friends can only be classes or functions">; def ext_enum_friend : ExtWarn< "befriending enumeration type %0 is a C++11 extension">, InGroup; def warn_cxx98_compat_enum_friend : Warning< "befriending enumeration type %0 is incompatible with C++98">, InGroup, DefaultIgnore; def ext_nonclass_type_friend : ExtWarn< "non-class friend type %0 is a C++11 extension">, InGroup; def warn_cxx98_compat_nonclass_type_friend : Warning< "non-class friend type %0 is incompatible with C++98">, InGroup, DefaultIgnore; def err_friend_is_member : Error< "friends cannot be members of the declaring class">; def warn_cxx98_compat_friend_is_member : Warning< "friend declaration naming a member of the declaring class is incompatible " "with C++98">, InGroup, DefaultIgnore; def ext_unelaborated_friend_type : ExtWarn< "unelaborated friend declaration is a C++11 extension; specify " "'%select{struct|interface|union|class|enum}0' to befriend %1">, InGroup; def warn_cxx98_compat_unelaborated_friend_type : Warning< "befriending %1 without '%select{struct|interface|union|class|enum}0' " "keyword is incompatible with C++98">, InGroup, DefaultIgnore; def err_qualified_friend_no_match : Error< "friend declaration of %0 does not match any declaration in %1">; def err_introducing_special_friend : Error< "%plural{[0,2]:must use a qualified name when declaring|3:cannot declare}0" " a %select{constructor|destructor|conversion operator|deduction guide}0 " "as a friend">; def err_tagless_friend_type_template : Error< "friend type templates must use an elaborated type">; def err_no_matching_local_friend : Error< "no matching function found in local scope">; def err_no_matching_local_friend_suggest : Error< "no matching function %0 found in local scope; did you mean %3?">; def err_partial_specialization_friend : Error< "partial specialization cannot be declared as a friend">; def err_qualified_friend_def : Error< "friend function definition cannot be qualified with '%0'">; def err_friend_def_in_local_class : Error< "friend function cannot be defined in a local class">; def err_friend_not_first_in_declaration : Error< "'friend' must appear first in a non-function declaration">; def err_using_decl_friend : Error< "cannot befriend target of using declaration">; def warn_template_qualified_friend_unsupported : Warning< "dependent nested name specifier '%0' for friend class declaration is " "not supported; turning off access control for %1">, InGroup; def warn_template_qualified_friend_ignored : Warning< "dependent nested name specifier '%0' for friend template declaration is " "not supported; ignoring this friend declaration">, InGroup; def ext_friend_tag_redecl_outside_namespace : ExtWarn< "unqualified friend declaration referring to type outside of the nearest " "enclosing namespace is a Microsoft extension; add a nested name specifier">, InGroup; def err_pure_friend : Error<"friend declaration cannot have a pure-specifier">; def err_invalid_base_in_interface : Error< "interface type cannot inherit from " "%select{struct|non-public interface|class}0 %1">; def err_abstract_type_in_decl : Error< "%select{return|parameter|variable|field|instance variable|" "synthesized instance variable}0 type %1 is an abstract class">; def err_allocation_of_abstract_type : Error< "allocating an object of abstract class type %0">; def err_throw_abstract_type : Error< "cannot throw an object of abstract type %0">; def err_array_of_abstract_type : Error<"array of abstract class type %0">; def err_capture_of_abstract_type : Error< "by-copy capture of value of abstract type %0">; def err_capture_of_incomplete_or_sizeless_type : Error< "by-copy capture of variable %0 with %select{incomplete|sizeless}1 type %2">; def err_capture_default_non_local : Error< "non-local lambda expression cannot have a capture-default">; def err_multiple_final_overriders : Error< "virtual function %q0 has more than one final overrider in %1">; def note_final_overrider : Note<"final overrider of %q0 in %1">; def err_type_defined_in_type_specifier : Error< "%0 cannot be defined in a type specifier">; def err_type_defined_in_result_type : Error< "%0 cannot be defined in the result type of a function">; def err_type_defined_in_param_type : Error< "%0 cannot be defined in a parameter type">; def err_type_defined_in_alias_template : Error< "%0 cannot be defined in a type alias template">; def err_type_defined_in_condition : Error< "%0 cannot be defined in a condition">; def err_type_defined_in_enum : Error< "%0 cannot be defined in an enumeration">; def note_pure_virtual_function : Note< "unimplemented pure virtual method %0 in %1">; def note_pure_qualified_call_kext : Note< "qualified call to %0::%1 is treated as a virtual call to %1 due to -fapple-kext">; def err_deleted_decl_not_first : Error< "deleted definition must be first declaration">; def err_deleted_override : Error< "deleted function %0 cannot override a non-deleted function">; def err_non_deleted_override : Error< "non-deleted function %0 cannot override a deleted function">; def err_consteval_override : Error< "consteval function %0 cannot override a non-consteval function">; def err_non_consteval_override : Error< "non-consteval function %0 cannot override a consteval function">; def warn_weak_vtable : Warning< "%0 has no out-of-line virtual method definitions; its vtable will be " "emitted in every translation unit">, InGroup>, DefaultIgnore; def warn_weak_template_vtable : Warning< "explicit template instantiation %0 will emit a vtable in every " "translation unit">, InGroup>, DefaultIgnore; def ext_using_undefined_std : ExtWarn< "using directive refers to implicitly-defined namespace 'std'">; // C++ exception specifications def err_exception_spec_in_typedef : Error< "exception specifications are not allowed in %select{typedefs|type aliases}0">; def err_distant_exception_spec : Error< "exception specifications are not allowed beyond a single level " "of indirection">; def err_incomplete_in_exception_spec : Error< "%select{|pointer to |reference to }0incomplete type %1 is not allowed " "in exception specification">; def err_sizeless_in_exception_spec : Error< "%select{|reference to }0sizeless type %1 is not allowed " "in exception specification">; def ext_incomplete_in_exception_spec : ExtWarn, InGroup; def err_rref_in_exception_spec : Error< "rvalue reference type %0 is not allowed in exception specification">; def err_mismatched_exception_spec : Error< "exception specification in declaration does not match previous declaration">; def ext_mismatched_exception_spec : ExtWarn, InGroup; def err_override_exception_spec : Error< "exception specification of overriding function is more lax than " "base version">; def ext_override_exception_spec : ExtWarn, InGroup; def err_incompatible_exception_specs : Error< "target exception specification is not superset of source">; def warn_incompatible_exception_specs : Warning< err_incompatible_exception_specs.Text>, InGroup; def err_deep_exception_specs_differ : Error< "exception specifications of %select{return|argument}0 types differ">; def warn_deep_exception_specs_differ : Warning< err_deep_exception_specs_differ.Text>, InGroup; def err_missing_exception_specification : Error< "%0 is missing exception specification '%1'">; def ext_missing_exception_specification : ExtWarn< err_missing_exception_specification.Text>, InGroup>; def ext_ms_missing_exception_specification : ExtWarn< err_missing_exception_specification.Text>, InGroup; def err_noexcept_needs_constant_expression : Error< "argument to noexcept specifier must be a constant expression">; def err_exception_spec_not_parsed : Error< "exception specification is not available until end of class definition">; def err_exception_spec_cycle : Error< "exception specification of %0 uses itself">; def err_exception_spec_incomplete_type : Error< "exception specification needed for member of incomplete class %0">; def warn_wasm_dynamic_exception_spec_ignored : ExtWarn< "dynamic exception specifications with types are currently ignored in wasm">, InGroup; // C++ access checking def err_class_redeclared_with_different_access : Error< "%0 redeclared with '%1' access">; def err_access : Error< "%1 is a %select{private|protected}0 member of %3">, AccessControl; def ext_ms_using_declaration_inaccessible : ExtWarn< "using declaration referring to inaccessible member '%0' (which refers " "to accessible member '%1') is a Microsoft compatibility extension">, AccessControl, InGroup; def err_access_ctor : Error< "calling a %select{private|protected}0 constructor of class %2">, AccessControl; def ext_rvalue_to_reference_access_ctor : Extension< "C++98 requires an accessible copy constructor for class %2 when binding " "a reference to a temporary; was %select{private|protected}0">, AccessControl, InGroup; def err_access_base_ctor : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "%select{base class|inherited virtual base class}0 %1 has %select{private|" "protected}3 %select{default |copy |move |*ERROR* |*ERROR* " "|*ERROR*|}2constructor">, AccessControl; def err_access_field_ctor : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "field of type %0 has %select{private|protected}2 " "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}1constructor">, AccessControl; def err_access_friend_function : Error< "friend function %1 is a %select{private|protected}0 member of %3">, AccessControl; def err_access_dtor : Error< "calling a %select{private|protected}1 destructor of class %0">, AccessControl; def err_access_dtor_base : Error<"base class %0 has %select{private|protected}1 destructor">, AccessControl; def err_access_dtor_vbase : Error<"inherited virtual base class %1 has " "%select{private|protected}2 destructor">, AccessControl; def err_access_dtor_temp : Error<"temporary of type %0 has %select{private|protected}1 destructor">, AccessControl; def err_access_dtor_exception : Error<"exception object of type %0 has %select{private|protected}1 " "destructor">, AccessControl; def err_access_dtor_field : Error<"field of type %1 has %select{private|protected}2 destructor">, AccessControl; def err_access_dtor_var : Error<"variable of type %1 has %select{private|protected}2 destructor">, AccessControl; def err_access_dtor_ivar : Error<"instance variable of type %0 has %select{private|protected}1 " "destructor">, AccessControl; def note_previous_access_declaration : Note< "previously declared '%1' here">; def note_access_natural : Note< "%select{|implicitly }1declared %select{private|protected}0 here">; def note_access_constrained_by_path : Note< "constrained by %select{|implicitly }1%select{private|protected}0" " inheritance here">; def note_access_protected_restricted_noobject : Note< "must name member using the type of the current context %0">; def note_access_protected_restricted_ctordtor : Note< "protected %select{constructor|destructor}0 can only be used to " "%select{construct|destroy}0 a base class subobject">; def note_access_protected_restricted_object : Note< "can only access this member on an object of type %0">; def warn_cxx98_compat_sfinae_access_control : Warning< "substitution failure due to access control is incompatible with C++98">, InGroup, DefaultIgnore, NoSFINAE; // C++ name lookup def err_incomplete_nested_name_spec : Error< "incomplete type %0 named in nested name specifier">; def err_dependent_nested_name_spec : Error< "nested name specifier for a declaration cannot depend on a template " "parameter">; def err_nested_name_member_ref_lookup_ambiguous : Error< "lookup of %0 in member access expression is ambiguous">; def ext_nested_name_member_ref_lookup_ambiguous : ExtWarn< "lookup of %0 in member access expression is ambiguous; using member of %1">, InGroup; def note_ambig_member_ref_object_type : Note< "lookup in the object type %0 refers here">; def note_ambig_member_ref_scope : Note< "lookup from the current scope refers here">; def err_qualified_member_nonclass : Error< "qualified member access refers to a member in %0">; def err_incomplete_member_access : Error< "member access into incomplete type %0">; def err_incomplete_type : Error< "incomplete type %0 where a complete type is required">; def warn_cxx98_compat_enum_nested_name_spec : Warning< "enumeration type in nested name specifier is incompatible with C++98">, InGroup, DefaultIgnore; def err_nested_name_spec_is_not_class : Error< "%0 cannot appear before '::' because it is not a class" "%select{ or namespace|, namespace, or enumeration}1; did you mean ':'?">; def ext_nested_name_spec_is_enum : ExtWarn< "use of enumeration in a nested name specifier is a C++11 extension">, InGroup; def err_out_of_line_qualified_id_type_names_constructor : Error< "qualified reference to %0 is a constructor name rather than a " "%select{template name|type}1 in this context">; def ext_out_of_line_qualified_id_type_names_constructor : ExtWarn< "ISO C++ specifies that " "qualified reference to %0 is a constructor name rather than a " "%select{template name|type}1 in this context, despite preceding " "%select{'typename'|'template'}2 keyword">, SFINAEFailure, InGroup>; // C++ class members def err_storageclass_invalid_for_member : Error< "storage class specified for a member declaration">; def err_mutable_function : Error<"'mutable' cannot be applied to functions">; def err_mutable_reference : Error<"'mutable' cannot be applied to references">; def ext_mutable_reference : ExtWarn< "'mutable' on a reference type is a Microsoft extension">, InGroup; def err_mutable_const : Error<"'mutable' and 'const' cannot be mixed">; def err_mutable_nonmember : Error< "'mutable' can only be applied to member variables">; def err_virtual_in_union : Error< "unions cannot have virtual functions">; def err_virtual_non_function : Error< "'virtual' can only appear on non-static member functions">; def err_virtual_out_of_class : Error< "'virtual' can only be specified inside the class definition">; def err_virtual_member_function_template : Error< "'virtual' cannot be specified on member function templates">; def err_static_overrides_virtual : Error< "'static' member function %0 overrides a virtual function in a base class">; def err_explicit_non_function : Error< "'explicit' can only appear on non-static member functions">; def err_explicit_out_of_class : Error< "'explicit' can only be specified inside the class definition">; def err_explicit_non_ctor_or_conv_function : Error< "'explicit' can only be applied to a constructor or conversion function">; def err_static_not_bitfield : Error<"static member %0 cannot be a bit-field">; def err_static_out_of_line : Error< "'static' can only be specified inside the class definition">; def ext_static_out_of_line : ExtWarn< err_static_out_of_line.Text>, InGroup; def err_storage_class_for_static_member : Error< "static data member definition cannot specify a storage class">; def err_typedef_not_bitfield : Error<"typedef member %0 cannot be a bit-field">; def err_not_integral_type_bitfield : Error< "bit-field %0 has non-integral type %1">; def err_not_integral_type_anon_bitfield : Error< "anonymous bit-field has non-integral type %0">; def err_anon_bitfield_qualifiers : Error< "anonymous bit-field cannot have qualifiers">; def err_member_function_initialization : Error< "initializer on function does not look like a pure-specifier">; def err_non_virtual_pure : Error< "%0 is not virtual and cannot be declared pure">; def ext_pure_function_definition : ExtWarn< "function definition with pure-specifier is a Microsoft extension">, InGroup; def err_qualified_member_of_unrelated : Error< "%q0 is not a member of class %1">; def err_member_function_call_bad_cvr : Error< "'this' argument to member function %0 has type %1, but function is not marked " "%select{const|restrict|const or restrict|volatile|const or volatile|" "volatile or restrict|const, volatile, or restrict}2">; def err_member_function_call_bad_ref : Error< "'this' argument to member function %0 is an %select{lvalue|rvalue}1, " "but function has %select{non-const lvalue|rvalue}2 ref-qualifier">; def err_member_function_call_bad_type : Error< "cannot initialize object parameter of type %0 with an expression " "of type %1">; def warn_call_to_pure_virtual_member_function_from_ctor_dtor : Warning< "call to pure virtual member function %0 has undefined behavior; " "overrides of %0 in subclasses are not available in the " "%select{constructor|destructor}1 of %2">, InGroup; def select_special_member_kind : TextSubstitution< "%select{default constructor|copy constructor|move constructor|" "copy assignment operator|move assignment operator|destructor}0">; def note_member_declared_at : Note<"member is declared here">; def note_ivar_decl : Note<"instance variable is declared here">; def note_bitfield_decl : Note<"bit-field is declared here">; def note_implicit_param_decl : Note<"%0 is an implicit parameter">; def note_member_synthesized_at : Note< "in %select{implicit|defaulted}0 %sub{select_special_member_kind}1 for %2 " "first required here">; def note_comparison_synthesized_at : Note< "in defaulted %sub{select_defaulted_comparison_kind}0 for %1 " "first required here">; def err_missing_default_ctor : Error< "%select{constructor for %1 must explicitly initialize the|" "implicit default constructor for %1 must explicitly initialize the|" "cannot use constructor inherited from base class %4;}0 " "%select{base class|member}2 %3 %select{which|which|of %1}0 " "does not have a default constructor">; def note_due_to_dllexported_class : Note< "due to %0 being dllexported%select{|; try compiling in C++11 mode}1">; def err_illegal_union_or_anon_struct_member : Error< "%select{anonymous struct|union}0 member %1 has a non-trivial " "%sub{select_special_member_kind}2">; def warn_frame_address : Warning< "calling '%0' with a nonzero argument is unsafe">, InGroup, DefaultIgnore; def warn_cxx98_compat_nontrivial_union_or_anon_struct_member : Warning< "%select{anonymous struct|union}0 member %1 with a non-trivial " "%sub{select_special_member_kind}2 is incompatible with C++98">, InGroup, DefaultIgnore; def note_nontrivial_virtual_dtor : Note< "destructor for %0 is not trivial because it is virtual">; def note_nontrivial_has_virtual : Note< "because type %0 has a virtual %select{member function|base class}1">; def note_nontrivial_no_def_ctor : Note< "because %select{base class of |field of |}0type %1 has no " "default constructor">; def note_user_declared_ctor : Note< "implicit default constructor suppressed by user-declared constructor">; def note_nontrivial_no_copy : Note< "because no %select{<>|constructor|constructor|assignment operator|" "assignment operator|<>}2 can be used to " "%select{<>|copy|move|copy|move|<>}2 " "%select{base class|field|an object}0 of type %3">; def note_nontrivial_user_provided : Note< "because %select{base class of |field of |}0type %1 has a user-provided " "%sub{select_special_member_kind}2">; def note_nontrivial_in_class_init : Note< "because field %0 has an initializer">; def note_nontrivial_param_type : Note< "because its parameter is %diff{of type $, not $|of the wrong type}2,3">; def note_nontrivial_default_arg : Note<"because it has a default argument">; def note_nontrivial_variadic : Note<"because it is a variadic function">; def note_nontrivial_subobject : Note< "because the function selected to %select{construct|copy|move|copy|move|" "destroy}2 %select{base class|field}0 of type %1 is not trivial">; def note_nontrivial_objc_ownership : Note< "because type %0 has a member with %select{no|no|__strong|__weak|" "__autoreleasing}1 ownership">; /// Selector for a TagTypeKind value. def select_tag_type_kind : TextSubstitution< "%select{struct|interface|union|class|enum}0">; def err_static_data_member_not_allowed_in_anon_struct : Error< "static data member %0 not allowed in anonymous " "%sub{select_tag_type_kind}1">; def ext_static_data_member_in_union : ExtWarn< "static data member %0 in union is a C++11 extension">, InGroup; def warn_cxx98_compat_static_data_member_in_union : Warning< "static data member %0 in union is incompatible with C++98">, InGroup, DefaultIgnore; def ext_union_member_of_reference_type : ExtWarn< "union member %0 has reference type %1, which is a Microsoft extension">, InGroup; def err_union_member_of_reference_type : Error< "union member %0 has reference type %1">; def ext_anonymous_struct_union_qualified : Extension< "anonymous %select{struct|union}0 cannot be '%1'">; def err_different_return_type_for_overriding_virtual_function : Error< "virtual function %0 has a different return type " "%diff{($) than the function it overrides (which has return type $)|" "than the function it overrides}1,2">; def note_overridden_virtual_function : Note< "overridden virtual function is here">; def err_conflicting_overriding_cc_attributes : Error< "virtual function %0 has different calling convention attributes " "%diff{($) than the function it overrides (which has calling convention $)|" "than the function it overrides}1,2">; def warn_overriding_method_missing_noescape : Warning< "parameter of overriding method should be annotated with " "__attribute__((noescape))">, InGroup; def note_overridden_marked_noescape : Note< "parameter of overridden method is annotated with __attribute__((noescape))">; def note_cat_conform_to_noescape_prot : Note< "%select{category|class extension}0 conforms to protocol %1 which defines method %2">; def err_covariant_return_inaccessible_base : Error< "invalid covariant return for virtual function: %1 is a " "%select{private|protected}2 base class of %0">, AccessControl; def err_covariant_return_ambiguous_derived_to_base_conv : Error< "return type of virtual function %3 is not covariant with the return type of " "the function it overrides (ambiguous conversion from derived class " "%0 to base class %1:%2)">; def err_covariant_return_not_derived : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 is not derived from %2)">; def err_covariant_return_incomplete : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 is incomplete)">; def err_covariant_return_type_different_qualifications : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (%1 has different qualifiers than %2)">; def err_covariant_return_type_class_type_more_qualified : Error< "return type of virtual function %0 is not covariant with the return type of " "the function it overrides (class type %1 is more qualified than class " "type %2">; // C++ implicit special member functions def note_in_declaration_of_implicit_special_member : Note< "while declaring the implicit %sub{select_special_member_kind}1" " for %0">; // C++ constructors def err_constructor_cannot_be : Error<"constructor cannot be declared '%0'">; def err_invalid_qualified_constructor : Error< "'%0' qualifier is not allowed on a constructor">; def err_ref_qualifier_constructor : Error< "ref-qualifier '%select{&&|&}0' is not allowed on a constructor">; def err_constructor_return_type : Error< "constructor cannot have a return type">; def err_constructor_redeclared : Error<"constructor cannot be redeclared">; def err_constructor_byvalue_arg : Error< "copy constructor must pass its first argument by reference">; def warn_no_constructor_for_refconst : Warning< "%select{struct|interface|union|class|enum}0 %1 does not declare any " "constructor to initialize its non-modifiable members">; def note_refconst_member_not_initialized : Note< "%select{const|reference}0 member %1 will never be initialized">; def ext_ms_explicit_constructor_call : ExtWarn< "explicit constructor calls are a Microsoft extension">, InGroup; // C++ destructors def err_destructor_not_member : Error< "destructor must be a non-static member function">; def err_destructor_cannot_be : Error<"destructor cannot be declared '%0'">; def err_invalid_qualified_destructor : Error< "'%0' qualifier is not allowed on a destructor">; def err_ref_qualifier_destructor : Error< "ref-qualifier '%select{&&|&}0' is not allowed on a destructor">; def err_destructor_return_type : Error<"destructor cannot have a return type">; def err_destructor_redeclared : Error<"destructor cannot be redeclared">; def err_destructor_with_params : Error<"destructor cannot have any parameters">; def err_destructor_variadic : Error<"destructor cannot be variadic">; def ext_destructor_typedef_name : ExtWarn< "destructor cannot be declared using a %select{typedef|type alias}1 %0 " "of the class name">, DefaultError, InGroup>; def err_undeclared_destructor_name : Error< "undeclared identifier %0 in destructor name">; def err_destructor_name : Error< "expected the class name after '~' to name the enclosing class">; def err_destructor_name_nontype : Error< "identifier %0 after '~' in destructor name does not name a type">; def err_destructor_expr_mismatch : Error< "identifier %0 in object destruction expression does not name the type " "%1 of the object being destroyed">; def err_destructor_expr_nontype : Error< "identifier %0 in object destruction expression does not name a type">; def err_destructor_expr_type_mismatch : Error< "destructor type %0 in object destruction expression does not match the " "type %1 of the object being destroyed">; def note_destructor_type_here : Note< "type %0 found by destructor name lookup">; def note_destructor_nontype_here : Note< "non-type declaration found by destructor name lookup">; def ext_dtor_named_in_wrong_scope : Extension< "ISO C++ requires the name after '::~' to be found in the same scope as " "the name before '::~'">, InGroup; def ext_qualified_dtor_named_in_lexical_scope : ExtWarn< "qualified destructor name only found in lexical scope; omit the qualifier " "to find this type name by unqualified lookup">, InGroup; def ext_dtor_name_ambiguous : Extension< "ISO C++ considers this destructor name lookup to be ambiguous">, InGroup; def err_destroy_attr_on_non_static_var : Error< "%select{no_destroy|always_destroy}0 attribute can only be applied to a" " variable with static or thread storage duration">; def err_destructor_template : Error< "destructor cannot be declared as a template">; // C++ initialization def err_init_conversion_failed : Error< "cannot initialize %select{a variable|a parameter|return object|" "statement expression result|an " "exception object|a member subobject|an array element|a new value|a value|a " "base class|a constructor delegation|a vector element|a block element|a " "block element|a complex element|a lambda capture|a compound literal " "initializer|a related result|a parameter of CF audited function}0 " "%diff{of type $ with an %select{rvalue|lvalue}2 of type $|" "with an %select{rvalue|lvalue}2 of incompatible type}1,3" "%select{|: different classes%diff{ ($ vs $)|}5,6" "|: different number of parameters (%5 vs %6)" "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7" "|: different return type%diff{ ($ vs $)|}5,6" "|: different qualifiers (%5 vs %6)" "|: different exception specifications}4">; def err_lvalue_to_rvalue_ref : Error<"rvalue reference %diff{to type $ cannot " "bind to lvalue of type $|cannot bind to incompatible lvalue}0,1">; def err_lvalue_reference_bind_to_initlist : Error< "%select{non-const|volatile}0 lvalue reference to type %1 cannot bind to an " "initializer list temporary">; def err_lvalue_reference_bind_to_temporary : Error< "%select{non-const|volatile}0 lvalue reference %diff{to type $ cannot bind " "to a temporary of type $|cannot bind to incompatible temporary}1,2">; def err_lvalue_reference_bind_to_unrelated : Error< "%select{non-const|volatile}0 lvalue reference " "%diff{to type $ cannot bind to a value of unrelated type $|" "cannot bind to a value of unrelated type}1,2">; def err_reference_bind_drops_quals : Error< "binding reference %diff{of type $ to value of type $|to value}0,1 " "%select{drops %3 qualifier%plural{1:|2:|4:|:s}4|changes address space|" "not permitted due to incompatible qualifiers}2">; def err_reference_bind_failed : Error< "reference %diff{to %select{type|incomplete type}1 $ could not bind to an " "%select{rvalue|lvalue}2 of type $|could not bind to %select{rvalue|lvalue}2 of " "incompatible type}0,3">; def err_reference_bind_temporary_addrspace : Error< "reference of type %0 cannot bind to a temporary object because of " "address space mismatch">; def err_reference_bind_init_list : Error< "reference to type %0 cannot bind to an initializer list">; def err_init_list_bad_dest_type : Error< "%select{|non-aggregate }0type %1 cannot be initialized with an initializer " "list">; def warn_cxx20_compat_aggregate_init_with_ctors : Warning< "aggregate initialization of type %0 with user-declared constructors " "is incompatible with C++20">, DefaultIgnore, InGroup; def err_reference_bind_to_bitfield : Error< "%select{non-const|volatile}0 reference cannot bind to " "bit-field%select{| %1}2">; def err_reference_bind_to_vector_element : Error< "%select{non-const|volatile}0 reference cannot bind to vector element">; def err_reference_bind_to_matrix_element : Error< "%select{non-const|volatile}0 reference cannot bind to matrix element">; def err_reference_var_requires_init : Error< "declaration of reference variable %0 requires an initializer">; def err_reference_without_init : Error< "reference to type %0 requires an initializer">; def note_value_initialization_here : Note< "in value-initialization of type %0 here">; def err_reference_has_multiple_inits : Error< "reference cannot be initialized with multiple values">; def err_init_non_aggr_init_list : Error< "initialization of non-aggregate type %0 with an initializer list">; def err_init_reference_member_uninitialized : Error< "reference member of type %0 uninitialized">; def note_uninit_reference_member : Note< "uninitialized reference member is here">; def warn_field_is_uninit : Warning<"field %0 is uninitialized when used here">, InGroup; def warn_base_class_is_uninit : Warning< "base class %0 is uninitialized when used here to access %q1">, InGroup; def warn_reference_field_is_uninit : Warning< "reference %0 is not yet bound to a value when used here">, InGroup; def note_uninit_in_this_constructor : Note< "during field initialization in %select{this|the implicit default}0 " "constructor">; def warn_static_self_reference_in_init : Warning< "static variable %0 is suspiciously used within its own initialization">, InGroup; def warn_uninit_self_reference_in_init : Warning< "variable %0 is uninitialized when used within its own initialization">, InGroup; def warn_uninit_self_reference_in_reference_init : Warning< "reference %0 is not yet bound to a value when used within its own" " initialization">, InGroup; def warn_uninit_var : Warning< "variable %0 is uninitialized when %select{used here|captured by block}1">, InGroup, DefaultIgnore; def warn_sometimes_uninit_var : Warning< "variable %0 is %select{used|captured}1 uninitialized whenever " "%select{'%3' condition is %select{true|false}4|" "'%3' loop %select{is entered|exits because its condition is false}4|" "'%3' loop %select{condition is true|exits because its condition is false}4|" "switch %3 is taken|" "its declaration is reached|" "%3 is called}2">, InGroup, DefaultIgnore; def warn_maybe_uninit_var : Warning< "variable %0 may be uninitialized when " "%select{used here|captured by block}1">, InGroup, DefaultIgnore; def note_var_declared_here : Note<"variable %0 is declared here">; def note_uninit_var_use : Note< "%select{uninitialized use occurs|variable is captured by block}0 here">; def warn_uninit_byref_blockvar_captured_by_block : Warning< "block pointer variable %0 is %select{uninitialized|null}1 when captured by " "block">, InGroup, DefaultIgnore; def note_block_var_fixit_add_initialization : Note< "did you mean to use __block %0?">; def note_in_omitted_aggregate_initializer : Note< "in implicit initialization of %select{" "array element %1 with omitted initializer|" "field %1 with omitted initializer|" "trailing array elements in runtime-sized array new}0">; def note_in_reference_temporary_list_initializer : Note< "in initialization of temporary of type %0 created to " "list-initialize this reference">; def note_var_fixit_add_initialization : Note< "initialize the variable %0 to silence this warning">; def note_uninit_fixit_remove_cond : Note< "remove the %select{'%1' if its condition|condition if it}0 " "is always %select{false|true}2">; def err_init_incomplete_type : Error<"initialization of incomplete type %0">; def err_list_init_in_parens : Error< "cannot initialize %select{non-class|reference}0 type %1 with a " "parenthesized initializer list">; def warn_uninit_const_reference : Warning< "variable %0 is uninitialized when passed as a const reference argument " "here">, InGroup, DefaultIgnore; def warn_unsequenced_mod_mod : Warning< "multiple unsequenced modifications to %0">, InGroup; def warn_unsequenced_mod_use : Warning< "unsequenced modification and access to %0">, InGroup; def select_initialized_entity_kind : TextSubstitution< "%select{copying variable|copying parameter|" "returning object|initializing statement expression result|" "throwing object|copying member subobject|copying array element|" "allocating object|copying temporary|initializing base subobject|" "initializing vector element|capturing value}0">; def err_temp_copy_no_viable : Error< "no viable constructor %sub{select_initialized_entity_kind}0 of type %1">; def ext_rvalue_to_reference_temp_copy_no_viable : Extension< "no viable constructor %sub{select_initialized_entity_kind}0 of type %1; " "C++98 requires a copy constructor when binding a reference to a temporary">, InGroup; def err_temp_copy_ambiguous : Error< "ambiguous constructor call when %sub{select_initialized_entity_kind}0 " "of type %1">; def err_temp_copy_deleted : Error< "%sub{select_initialized_entity_kind}0 of type %1 " "invokes deleted constructor">; def err_temp_copy_incomplete : Error< "copying a temporary object of incomplete type %0">; def warn_cxx98_compat_temp_copy : Warning< "%sub{select_initialized_entity_kind}1 " "of type %2 when binding a reference to a temporary would %select{invoke " "an inaccessible constructor|find no viable constructor|find ambiguous " "constructors|invoke a deleted constructor}0 in C++98">, InGroup, DefaultIgnore; def err_selected_explicit_constructor : Error< "chosen constructor is explicit in copy-initialization">; def note_explicit_ctor_deduction_guide_here : Note< "explicit %select{constructor|deduction guide}0 declared here">; // C++11 decltype def err_decltype_in_declarator : Error< "'decltype' cannot be used to name a declaration">; // C++11 auto def warn_cxx98_compat_auto_type_specifier : Warning< "'auto' type specifier is incompatible with C++98">, InGroup, DefaultIgnore; def err_auto_variable_cannot_appear_in_own_initializer : Error< "variable %0 declared with deduced type %1 " "cannot appear in its own initializer">; def err_binding_cannot_appear_in_own_initializer : Error< "binding %0 cannot appear in the initializer of its own " "decomposition declaration">; def err_illegal_decl_array_of_auto : Error< "'%0' declared as array of %1">; def err_new_array_of_auto : Error< "cannot allocate array of 'auto'">; def err_auto_not_allowed : Error< "%select{'auto'|'decltype(auto)'|'__auto_type'|" "use of " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}2 %3 requires template " "arguments; argument deduction}0 not allowed " "%select{in function prototype" "|in non-static struct member|in struct member" "|in non-static union member|in union member" "|in non-static class member|in interface member" "|in exception declaration|in template parameter until C++17|in block literal" "|in template argument|in typedef|in type alias|in function return type" "|in conversion function type|here|in lambda parameter" "|in type allocated by 'new'|in K&R-style function parameter" "|in template parameter|in friend declaration|in function prototype that is " "not a function declaration|in requires expression parameter}1">; def err_dependent_deduced_tst : Error< "typename specifier refers to " "%select{class template|function template|variable template|alias template|" "template template parameter|template}0 member in %1; " "argument deduction not allowed here">; def err_deduced_tst : Error< "typename specifier refers to " "%select{class template|function template|variable template|alias template|" "template template parameter|template}0; argument deduction not allowed " "here">; def err_auto_not_allowed_var_inst : Error< "'auto' variable template instantiation is not allowed">; def err_auto_var_requires_init : Error< "declaration of variable %0 with deduced type %1 requires an initializer">; def err_auto_new_requires_ctor_arg : Error< "new expression for type %0 requires a constructor argument">; def ext_auto_new_list_init : Extension< "ISO C++ standards before C++17 do not allow new expression for " "type %0 to use list-initialization">, InGroup; def err_auto_var_init_no_expression : Error< "initializer for variable %0 with type %1 is empty">; def err_auto_var_init_multiple_expressions : Error< "initializer for variable %0 with type %1 contains multiple expressions">; def err_auto_var_init_paren_braces : Error< "cannot deduce type for variable %1 with type %2 from " "%select{parenthesized|nested}0 initializer list">; def err_auto_new_ctor_multiple_expressions : Error< "new expression for type %0 contains multiple constructor arguments">; def err_auto_missing_trailing_return : Error< "'auto' return without trailing return type; deduced return types are a " "C++14 extension">; def err_deduced_return_type : Error< "deduced return types are a C++14 extension">; def err_trailing_return_without_auto : Error< "function with trailing return type must specify return type 'auto', not %0">; def err_trailing_return_in_parens : Error< "trailing return type may not be nested within parentheses">; def err_auto_var_deduction_failure : Error< "variable %0 with type %1 has incompatible initializer of type %2">; def err_auto_var_deduction_failure_from_init_list : Error< "cannot deduce actual type for variable %0 with type %1 from initializer list">; def err_auto_new_deduction_failure : Error< "new expression for type %0 has incompatible constructor argument of type %1">; def err_auto_inconsistent_deduction : Error< "deduced conflicting types %diff{($ vs $) |}0,1" "for initializer list element type">; def err_auto_different_deductions : Error< "%select{'auto'|'decltype(auto)'|'__auto_type'|template arguments}0 " "deduced as %1 in declaration of %2 and " "deduced as %3 in declaration of %4">; def err_auto_non_deduced_not_alone : Error< "%select{function with deduced return type|" "declaration with trailing return type}0 " "must be the only declaration in its group">; def err_implied_std_initializer_list_not_found : Error< "cannot deduce type of initializer list because std::initializer_list was " "not found; include ">; def err_malformed_std_initializer_list : Error< "std::initializer_list must be a class template with a single type parameter">; def err_auto_init_list_from_c : Error< "cannot use __auto_type with initializer list in C">; def err_auto_bitfield : Error< "cannot pass bit-field as __auto_type initializer in C">; // C++1y decltype(auto) type def err_decltype_auto_invalid : Error< "'decltype(auto)' not allowed here">; def err_decltype_auto_cannot_be_combined : Error< "'decltype(auto)' cannot be combined with other type specifiers">; def err_decltype_auto_function_declarator_not_declaration : Error< "'decltype(auto)' can only be used as a return type " "in a function declaration">; def err_decltype_auto_compound_type : Error< "cannot form %select{pointer to|reference to|array of}0 'decltype(auto)'">; def err_decltype_auto_initializer_list : Error< "cannot deduce 'decltype(auto)' from initializer list">; // C++17 deduced class template specialization types def err_deduced_class_template_compound_type : Error< "cannot %select{form pointer to|form reference to|form array of|" "form function returning|use parentheses when declaring variable with}0 " "deduced class template specialization type">; def err_deduced_non_class_template_specialization_type : Error< "%select{|function template|variable template|alias template|" "template template parameter|concept|template}0 %1 requires template " "arguments; argument deduction only allowed for class templates">; def err_deduced_class_template_ctor_ambiguous : Error< "ambiguous deduction for template arguments of %0">; def err_deduced_class_template_ctor_no_viable : Error< "no viable constructor or deduction guide for deduction of " "template arguments of %0">; def err_deduced_class_template_incomplete : Error< "template %0 has no definition and no %select{|viable }1deduction guides " "for deduction of template arguments">; def err_deduced_class_template_deleted : Error< "class template argument deduction for %0 selected a deleted constructor">; def err_deduced_class_template_explicit : Error< "class template argument deduction for %0 selected an explicit " "%select{constructor|deduction guide}1 for copy-list-initialization">; def err_deduction_guide_no_trailing_return_type : Error< "deduction guide declaration without trailing return type">; def err_deduction_guide_bad_trailing_return_type : Error< "deduced type %1 of deduction guide is not %select{|written as }2" "a specialization of template %0">; def err_deduction_guide_with_complex_decl : Error< "cannot specify any part of a return type in the " "declaration of a deduction guide">; def err_deduction_guide_invalid_specifier : Error< "deduction guide cannot be declared '%0'">; def err_deduction_guide_name_not_class_template : Error< "cannot specify deduction guide for " "%select{|function template|variable template|alias template|" "template template parameter|concept|dependent template name}0 %1">; def err_deduction_guide_wrong_scope : Error< "deduction guide must be declared in the same scope as template %q0">; def err_deduction_guide_defines_function : Error< "deduction guide cannot have a function definition">; def err_deduction_guide_redeclared : Error< "redeclaration of deduction guide">; def err_deduction_guide_specialized : Error<"deduction guide cannot be " "%select{explicitly instantiated|explicitly specialized}0">; def err_deduction_guide_template_not_deducible : Error< "deduction guide template contains " "%select{a template parameter|template parameters}0 that cannot be " "deduced">; def err_deduction_guide_wrong_access : Error< "deduction guide has different access from the corresponding " "member template">; def note_deduction_guide_template_access : Note< "member template declared %0 here">; def note_deduction_guide_access : Note< "deduction guide declared %0 by intervening access specifier">; def warn_cxx14_compat_class_template_argument_deduction : Warning< "class template argument deduction is incompatible with C++ standards " "before C++17%select{|; for compatibility, use explicit type name %1}0">, InGroup, DefaultIgnore; def warn_ctad_maybe_unsupported : Warning< "%0 may not intend to support class template argument deduction">, InGroup, DefaultIgnore; def note_suppress_ctad_maybe_unsupported : Note< "add a deduction guide to suppress this warning">; // C++14 deduced return types def err_auto_fn_deduction_failure : Error< "cannot deduce return type %0 from returned value of type %1">; def err_auto_fn_different_deductions : Error< "'%select{auto|decltype(auto)}0' in return type deduced as %1 here but " "deduced as %2 in earlier return statement">; def err_auto_fn_used_before_defined : Error< "function %0 with deduced return type cannot be used before it is defined">; def err_auto_fn_no_return_but_not_auto : Error< "cannot deduce return type %0 for function with no return statements">; def err_auto_fn_return_void_but_not_auto : Error< "cannot deduce return type %0 from omitted return expression">; def err_auto_fn_return_init_list : Error< "cannot deduce return type from initializer list">; def err_auto_fn_virtual : Error< "function with deduced return type cannot be virtual">; def warn_cxx11_compat_deduced_return_type : Warning< "return type deduction is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; // C++11 override control def override_keyword_only_allowed_on_virtual_member_functions : Error< "only virtual member functions can be marked '%0'">; def override_keyword_hides_virtual_member_function : Error< "non-virtual member function marked '%0' hides virtual member " "%select{function|functions}1">; def err_function_marked_override_not_overriding : Error< "%0 marked 'override' but does not override any member functions">; def warn_destructor_marked_not_override_overriding : Warning < "%0 overrides a destructor but is not marked 'override'">, InGroup, DefaultIgnore; def warn_function_marked_not_override_overriding : Warning < "%0 overrides a member function but is not marked 'override'">, InGroup; def err_class_marked_final_used_as_base : Error< "base %0 is marked '%select{final|sealed}1'">; def warn_abstract_final_class : Warning< "abstract class is marked '%select{final|sealed}0'">, InGroup; def warn_final_dtor_non_final_class : Warning< "class with destructor marked '%select{final|sealed}0' cannot be inherited from">, InGroup; def note_final_dtor_non_final_class_silence : Note< "mark %0 as '%select{final|sealed}1' to silence this warning">; // C++11 attributes def err_repeat_attribute : Error<"%0 attribute cannot be repeated">; // C++11 final def err_final_function_overridden : Error< "declaration of %0 overrides a '%select{final|sealed}1' function">; // C++11 scoped enumerations def err_enum_invalid_underlying : Error< "non-integral type %0 is an invalid underlying type">; def err_enumerator_too_large : Error< "enumerator value is not representable in the underlying type %0">; def ext_enumerator_too_large : Extension< "enumerator value is not representable in the underlying type %0">, InGroup; def err_enumerator_wrapped : Error< "enumerator value %0 is not representable in the underlying type %1">; def err_enum_redeclare_type_mismatch : Error< "enumeration redeclared with different underlying type %0 (was %1)">; def err_enum_redeclare_fixed_mismatch : Error< "enumeration previously declared with %select{non|}0fixed underlying type">; def err_enum_redeclare_scoped_mismatch : Error< "enumeration previously declared as %select{un|}0scoped">; def err_only_enums_have_underlying_types : Error< "only enumeration types have underlying types">; def err_underlying_type_of_incomplete_enum : Error< "cannot determine underlying type of incomplete enumeration type %0">; // C++11 delegating constructors def err_delegating_ctor : Error< "delegating constructors are permitted only in C++11">; def warn_cxx98_compat_delegating_ctor : Warning< "delegating constructors are incompatible with C++98">, InGroup, DefaultIgnore; def err_delegating_initializer_alone : Error< "an initializer for a delegating constructor must appear alone">; def warn_delegating_ctor_cycle : Warning< "constructor for %0 creates a delegation cycle">, DefaultError, InGroup; def note_it_delegates_to : Note<"it delegates to">; def note_which_delegates_to : Note<"which delegates to">; // C++11 range-based for loop def err_for_range_decl_must_be_var : Error< "for range declaration must declare a variable">; def err_for_range_storage_class : Error< "loop variable %0 may not be declared %select{'extern'|'static'|" "'__private_extern__'|'auto'|'register'|'constexpr'}1">; def err_type_defined_in_for_range : Error< "types may not be defined in a for range declaration">; def err_for_range_deduction_failure : Error< "cannot use type %0 as a range">; def err_for_range_incomplete_type : Error< "cannot use incomplete type %0 as a range">; def err_for_range_iter_deduction_failure : Error< "cannot use type %0 as an iterator">; def ext_for_range_begin_end_types_differ : ExtWarn< "'begin' and 'end' returning different types (%0 and %1) is a C++17 extension">, InGroup; def warn_for_range_begin_end_types_differ : Warning< "'begin' and 'end' returning different types (%0 and %1) is incompatible " "with C++ standards before C++17">, InGroup, DefaultIgnore; def note_in_for_range: Note< "when looking up '%select{begin|end}0' function for range expression " "of type %1">; def err_for_range_invalid: Error< "invalid range expression of type %0; no viable '%select{begin|end}1' " "function available">; def note_for_range_member_begin_end_ignored : Note< "member is not a candidate because range type %0 has no '%select{end|begin}1' member">; def err_range_on_array_parameter : Error< "cannot build range expression with array function parameter %0 since " "parameter with array type %1 is treated as pointer type %2">; def err_for_range_dereference : Error< "invalid range expression of type %0; did you mean to dereference it " "with '*'?">; def note_for_range_invalid_iterator : Note < "in implicit call to 'operator%select{!=|*|++}0' for iterator of type %1">; def note_for_range_begin_end : Note< "selected '%select{begin|end}0' %select{function|template }1%2 with iterator type %3">; def warn_for_range_const_ref_binds_temp_built_from_ref : Warning< "loop variable %0 " "%diff{of type $ binds to a temporary constructed from type $" "|binds to a temporary constructed from a different type}1,2">, InGroup, DefaultIgnore; def note_use_type_or_non_reference : Note< "use non-reference type %0 to make construction explicit or type %1 to prevent copying">; def warn_for_range_ref_binds_ret_temp : Warning< "loop variable %0 binds to a temporary value produced by a range of type %1">, InGroup, DefaultIgnore; def note_use_non_reference_type : Note<"use non-reference type %0">; def warn_for_range_copy : Warning< "loop variable %0 creates a copy from type %1">, InGroup, DefaultIgnore; def note_use_reference_type : Note<"use reference type %0 to prevent copying">; def err_objc_for_range_init_stmt : Error< "initialization statement is not supported when iterating over Objective-C " "collection">; // C++11 constexpr def warn_cxx98_compat_constexpr : Warning< "'constexpr' specifier is incompatible with C++98">, InGroup, DefaultIgnore; // FIXME: Maybe this should also go in -Wc++14-compat? def warn_cxx14_compat_constexpr_not_const : Warning< "'constexpr' non-static member function will not be implicitly 'const' " "in C++14; add 'const' to avoid a change in behavior">, InGroup>; def err_invalid_consteval_take_address : Error< "cannot take address of consteval function %0 outside" " of an immediate invocation">; def err_invalid_consteval_call : Error< "call to consteval function %q0 is not a constant expression">; def err_invalid_consteval_decl_kind : Error< "%0 cannot be declared consteval">; def err_invalid_constexpr : Error< "%select{function parameter|typedef}0 " "cannot be %sub{select_constexpr_spec_kind}1">; def err_invalid_constexpr_member : Error<"non-static data member cannot be " "constexpr%select{; did you intend to make it %select{const|static}0?|}1">; def err_constexpr_tag : Error< "%select{class|struct|interface|union|enum}0 " "cannot be marked %sub{select_constexpr_spec_kind}1">; def err_constexpr_dtor : Error< "destructor cannot be declared %sub{select_constexpr_spec_kind}0">; def err_constexpr_dtor_subobject : Error< "destructor cannot be declared %sub{select_constexpr_spec_kind}0 because " "%select{data member %2|base class %3}1 does not have a " "constexpr destructor">; def note_constexpr_dtor_subobject : Note< "%select{data member %1|base class %2}0 declared here">; def err_constexpr_wrong_decl_kind : Error< "%sub{select_constexpr_spec_kind}0 can only be used " "in %select{|variable and function|function|variable}0 declarations">; def err_invalid_constexpr_var_decl : Error< "constexpr variable declaration must be a definition">; def err_constexpr_static_mem_var_requires_init : Error< "declaration of constexpr static data member %0 requires an initializer">; def err_constexpr_var_non_literal : Error< "constexpr variable cannot have non-literal type %0">; def err_constexpr_var_requires_const_init : Error< "constexpr variable %0 must be initialized by a constant expression">; def err_constexpr_var_requires_const_destruction : Error< "constexpr variable %0 must have constant destruction">; def err_constexpr_redecl_mismatch : Error< "%select{non-constexpr|constexpr|consteval}1 declaration of %0" " follows %select{non-constexpr|constexpr|consteval}2 declaration">; def err_constexpr_virtual : Error<"virtual function cannot be constexpr">; def warn_cxx17_compat_constexpr_virtual : Warning< "virtual constexpr functions are incompatible with " "C++ standards before C++20">, InGroup, DefaultIgnore; def err_constexpr_virtual_base : Error< "constexpr %select{member function|constructor}0 not allowed in " "%select{struct|interface|class}1 with virtual base " "%plural{1:class|:classes}2">; def note_non_literal_incomplete : Note< "incomplete type %0 is not a literal type">; def note_non_literal_virtual_base : Note<"%select{struct|interface|class}0 " "with virtual base %plural{1:class|:classes}1 is not a literal type">; def note_constexpr_virtual_base_here : Note<"virtual base class declared here">; def err_constexpr_non_literal_return : Error< "%select{constexpr|consteval}0 function's return type %1 is not a literal type">; def err_constexpr_non_literal_param : Error< "%select{constexpr|consteval}2 %select{function|constructor}1's %ordinal0 parameter type %3 is " "not a literal type">; def err_constexpr_body_invalid_stmt : Error< "statement not allowed in %select{constexpr|consteval}1 %select{function|constructor}0">; def ext_constexpr_body_invalid_stmt : ExtWarn< "use of this statement in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_body_invalid_stmt : Warning< "use of this statement in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def ext_constexpr_body_invalid_stmt_cxx20 : ExtWarn< "use of this statement in a constexpr %select{function|constructor}0 " "is a C++20 extension">, InGroup; def warn_cxx17_compat_constexpr_body_invalid_stmt : Warning< "use of this statement in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_constexpr_type_definition : ExtWarn< "type definition in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_type_definition : Warning< "type definition in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_constexpr_vla : Error< "variably-modified type %0 cannot be used in a constexpr " "%select{function|constructor}1">; def ext_constexpr_local_var : ExtWarn< "variable declaration in a constexpr %select{function|constructor}0 " "is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_local_var : Warning< "variable declaration in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_constexpr_local_var_static : Error< "%select{static|thread_local}1 variable not permitted in a constexpr " "%select{function|constructor}0">; def err_constexpr_local_var_non_literal_type : Error< "variable of non-literal type %1 cannot be defined in a constexpr " "%select{function|constructor}0">; def ext_constexpr_local_var_no_init : ExtWarn< "uninitialized variable in a constexpr %select{function|constructor}0 " "is a C++20 extension">, InGroup; def warn_cxx17_compat_constexpr_local_var_no_init : Warning< "uninitialized variable in a constexpr %select{function|constructor}0 " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_constexpr_function_never_constant_expr : ExtWarn< "%select{constexpr|consteval}1 %select{function|constructor}0 never produces a " "constant expression">, InGroup>, DefaultError; def err_attr_cond_never_constant_expr : Error< "%0 attribute expression never produces a constant expression">; def err_diagnose_if_invalid_diagnostic_type : Error< "invalid diagnostic type for 'diagnose_if'; use \"error\" or \"warning\" " "instead">; def err_constexpr_body_no_return : Error< "no return statement in %select{constexpr|consteval}0 function">; def err_constexpr_return_missing_expr : Error< "non-void %select{constexpr|consteval}1 function %0 should return a value">; def warn_cxx11_compat_constexpr_body_no_return : Warning< "constexpr function with no return statements is incompatible with C++ " "standards before C++14">, InGroup, DefaultIgnore; def ext_constexpr_body_multiple_return : ExtWarn< "multiple return statements in constexpr function is a C++14 extension">, InGroup; def warn_cxx11_compat_constexpr_body_multiple_return : Warning< "multiple return statements in constexpr function " "is incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def note_constexpr_body_previous_return : Note< "previous return statement is here">; // C++20 function try blocks in constexpr def ext_constexpr_function_try_block_cxx20 : ExtWarn< "function try block in constexpr %select{function|constructor}0 is " "a C++20 extension">, InGroup; def warn_cxx17_compat_constexpr_function_try_block : Warning< "function try block in constexpr %select{function|constructor}0 is " "incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_constexpr_union_ctor_no_init : ExtWarn< "constexpr union constructor that does not initialize any member " "is a C++20 extension">, InGroup; def warn_cxx17_compat_constexpr_union_ctor_no_init : Warning< "constexpr union constructor that does not initialize any member " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_constexpr_ctor_missing_init : ExtWarn< "constexpr constructor that does not initialize all members " "is a C++20 extension">, InGroup; def warn_cxx17_compat_constexpr_ctor_missing_init : Warning< "constexpr constructor that does not initialize all members " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def note_constexpr_ctor_missing_init : Note< "member not initialized by constructor">; def note_non_literal_no_constexpr_ctors : Note< "%0 is not literal because it is not an aggregate and has no constexpr " "constructors other than copy or move constructors">; def note_non_literal_base_class : Note< "%0 is not literal because it has base class %1 of non-literal type">; def note_non_literal_field : Note< "%0 is not literal because it has data member %1 of " "%select{non-literal|volatile}3 type %2">; def note_non_literal_user_provided_dtor : Note< "%0 is not literal because it has a user-provided destructor">; def note_non_literal_nontrivial_dtor : Note< "%0 is not literal because it has a non-trivial destructor">; def note_non_literal_non_constexpr_dtor : Note< "%0 is not literal because its destructor is not constexpr">; def note_non_literal_lambda : Note< "lambda closure types are non-literal types before C++17">; def warn_private_extern : Warning< "use of __private_extern__ on a declaration may not produce external symbol " "private to the linkage unit and is deprecated">, InGroup; def note_private_extern : Note< "use __attribute__((visibility(\"hidden\"))) attribute instead">; // C++ Concepts def err_concept_decls_may_only_appear_in_global_namespace_scope : Error< "concept declarations may only appear in global or namespace scope">; def err_concept_no_parameters : Error< "concept template parameter list must have at least one parameter; explicit " "specialization of concepts is not allowed">; def err_concept_extra_headers : Error< "extraneous template parameter list in concept definition">; def err_concept_no_associated_constraints : Error< "concept cannot have associated constraints">; def err_non_constant_constraint_expression : Error< "substitution into constraint expression resulted in a non-constant " "expression">; def err_non_bool_atomic_constraint : Error< "atomic constraint must be of type 'bool' (found %0)">; def err_template_arg_list_constraints_not_satisfied : Error< "constraints not satisfied for %select{class template|function template|variable template|alias template|" "template template parameter|template}0 %1%2">; def note_substituted_constraint_expr_is_ill_formed : Note< "because substituted constraint expression is ill-formed%0">; def note_atomic_constraint_evaluated_to_false : Note< "%select{and|because}0 '%1' evaluated to false">; def note_concept_specialization_constraint_evaluated_to_false : Note< "%select{and|because}0 '%1' evaluated to false">; def note_single_arg_concept_specialization_constraint_evaluated_to_false : Note< "%select{and|because}0 %1 does not satisfy %2">; def note_atomic_constraint_evaluated_to_false_elaborated : Note< "%select{and|because}0 '%1' (%2 %3 %4) evaluated to false">; def err_constrained_virtual_method : Error< "virtual function cannot have a requires clause">; def err_trailing_requires_clause_on_deduction_guide : Error< "deduction guide cannot have a requires clause">; def err_reference_to_function_with_unsatisfied_constraints : Error< "invalid reference to function %0: constraints not satisfied">; def err_requires_expr_local_parameter_default_argument : Error< "default arguments not allowed for parameters of a requires expression">; def err_requires_expr_parameter_referenced_in_evaluated_context : Error< "constraint variable %0 cannot be used in an evaluated context">; def note_expr_requirement_expr_substitution_error : Note< "%select{and|because}0 '%1' would be invalid: %2">; def note_expr_requirement_expr_unknown_substitution_error : Note< "%select{and|because}0 '%1' would be invalid">; def note_expr_requirement_noexcept_not_met : Note< "%select{and|because}0 '%1' may throw an exception">; def note_expr_requirement_type_requirement_substitution_error : Note< "%select{and|because}0 '%1' would be invalid: %2">; def note_expr_requirement_type_requirement_unknown_substitution_error : Note< "%select{and|because}0 '%1' would be invalid">; def note_expr_requirement_constraints_not_satisfied : Note< "%select{and|because}0 type constraint '%1' was not satisfied:">; def note_expr_requirement_constraints_not_satisfied_simple : Note< "%select{and|because}0 %1 does not satisfy %2:">; def note_type_requirement_substitution_error : Note< "%select{and|because}0 '%1' would be invalid: %2">; def note_type_requirement_unknown_substitution_error : Note< "%select{and|because}0 '%1' would be invalid">; def note_nested_requirement_substitution_error : Note< "%select{and|because}0 '%1' would be invalid: %2">; def note_nested_requirement_unknown_substitution_error : Note< "%select{and|because}0 '%1' would be invalid">; def note_ambiguous_atomic_constraints : Note< "similar constraint expressions not considered equivalent; constraint " "expressions cannot be considered equivalent unless they originate from the " "same concept">; def note_ambiguous_atomic_constraints_similar_expression : Note< "similar constraint expression here">; def err_unsupported_placeholder_constraint : Error< "constrained placeholder types other than simple 'auto' on non-type template " "parameters not supported yet">; def err_template_different_requires_clause : Error< "requires clause differs in template redeclaration">; def err_template_different_type_constraint : Error< "type constraint differs in template redeclaration">; def err_template_template_parameter_not_at_least_as_constrained : Error< "template template argument %0 is more constrained than template template " "parameter %1">; def err_type_constraint_non_type_concept : Error< "concept named in type constraint is not a type concept">; def err_type_constraint_missing_arguments : Error< "%0 requires more than 1 template argument; provide the remaining arguments " "explicitly to use it here">; def err_placeholder_constraints_not_satisfied : Error< "deduced type %0 does not satisfy %1">; // C++11 char16_t/char32_t def warn_cxx98_compat_unicode_type : Warning< "'%0' type specifier is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx17_compat_unicode_type : Warning< "'char8_t' type specifier is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; // __make_integer_seq def err_integer_sequence_negative_length : Error< "integer sequences must have non-negative sequence length">; def err_integer_sequence_integral_element_type : Error< "integer sequences must have integral element type">; // __type_pack_element def err_type_pack_element_out_of_bounds : Error< "a parameter pack may not be accessed at an out of bounds index">; // Objective-C++ def err_objc_decls_may_only_appear_in_global_scope : Error< "Objective-C declarations may only appear in global scope">; def warn_auto_var_is_id : Warning< "'auto' deduced as 'id' in declaration of %0">, InGroup>; // Attributes def warn_nomerge_attribute_ignored_in_stmt: Warning< "%0 attribute is ignored because there exists no call expression inside the " "statement">, InGroup; def err_nsobject_attribute : Error< "'NSObject' attribute is for pointer types only">; def err_attributes_are_not_compatible : Error< "%0 and %1 attributes are not compatible">; def err_attribute_invalid_argument : Error< "%select{a reference type|an array type|a non-vector or " "non-vectorizable scalar type}0 is an invalid argument to attribute %1">; def err_attribute_wrong_number_arguments : Error< "%0 attribute %plural{0:takes no arguments|1:takes one argument|" ":requires exactly %1 arguments}1">; def err_attribute_too_many_arguments : Error< "%0 attribute takes no more than %1 argument%s1">; def err_attribute_too_few_arguments : Error< "%0 attribute takes at least %1 argument%s1">; def err_attribute_invalid_vector_type : Error<"invalid vector element type %0">; def err_attribute_invalid_matrix_type : Error<"invalid matrix element type %0">; def err_attribute_bad_neon_vector_size : Error< "Neon vector size must be 64 or 128 bits">; def err_attribute_requires_positive_integer : Error< "%0 attribute requires a %select{positive|non-negative}1 " "integral compile time constant expression">; def err_attribute_requires_opencl_version : Error< "%0 attribute requires OpenCL version %1%select{| or above}2">; def err_invalid_branch_protection_spec : Error< "invalid or misplaced branch protection specification '%0'">; def warn_unsupported_target_attribute : Warning<"%select{unsupported|duplicate}0%select{| architecture}1 '%2' in" " the 'target' attribute string; 'target' attribute ignored">, InGroup; def err_attribute_unsupported : Error<"%0 attribute is not supported for this target">; // The err_*_attribute_argument_not_int are separate because they're used by // VerifyIntegerConstantExpression. def err_aligned_attribute_argument_not_int : Error< "'aligned' attribute requires integer constant">; def err_align_value_attribute_argument_not_int : Error< "'align_value' attribute requires integer constant">; def err_alignas_attribute_wrong_decl_type : Error< "%0 attribute cannot be applied to a %select{function parameter|" "variable with 'register' storage class|'catch' variable|bit-field}1">; def err_alignas_missing_on_definition : Error< "%0 must be specified on definition if it is specified on any declaration">; def note_alignas_on_declaration : Note<"declared with %0 attribute here">; def err_alignas_mismatch : Error< "redeclaration has different alignment requirement (%1 vs %0)">; def err_alignas_underaligned : Error< "requested alignment is less than minimum alignment of %1 for type %0">; def err_attribute_sizeless_type : Error< "%0 attribute cannot be applied to sizeless type %1">; def err_attribute_argument_n_type : Error< "%0 attribute requires parameter %1 to be %select{int or bool|an integer " "constant|a string|an identifier}2">; def err_attribute_argument_type : Error< "%0 attribute requires %select{int or bool|an integer " "constant|a string|an identifier}1">; def err_attribute_argument_out_of_range : Error< "%0 attribute requires integer constant between %1 and %2 inclusive">; def err_init_priority_object_attr : Error< "can only use 'init_priority' attribute on file-scope definitions " "of objects of class type">; def err_attribute_argument_out_of_bounds : Error< "%0 attribute parameter %1 is out of bounds">; def err_attribute_only_once_per_parameter : Error< "%0 attribute can only be applied once per parameter">; def err_mismatched_uuid : Error<"uuid does not match previous declaration">; def note_previous_uuid : Note<"previous uuid specified here">; def warn_attribute_pointers_only : Warning< "%0 attribute only applies to%select{| constant}1 pointer arguments">, InGroup; def err_attribute_pointers_only : Error; def err_attribute_integers_only : Error< "%0 attribute argument may only refer to a function parameter of integer " "type">; def warn_attribute_return_pointers_only : Warning< "%0 attribute only applies to return values that are pointers">, InGroup; def warn_attribute_return_pointers_refs_only : Warning< "%0 attribute only applies to return values that are pointers or references">, InGroup; def warn_attribute_pointer_or_reference_only : Warning< "%0 attribute only applies to a pointer or reference (%1 is invalid)">, InGroup; def err_attribute_no_member_pointers : Error< "%0 attribute cannot be used with pointers to members">; def err_attribute_invalid_implicit_this_argument : Error< "%0 attribute is invalid for the implicit this argument">; def err_ownership_type : Error< "%0 attribute only applies to %select{pointer|integer}1 arguments">; def err_ownership_returns_index_mismatch : Error< "'ownership_returns' attribute index does not match; here it is %0">; def note_ownership_returns_index_mismatch : Note< "declared with index %0 here">; def err_format_strftime_third_parameter : Error< "strftime format attribute requires 3rd parameter to be 0">; def err_format_attribute_requires_variadic : Error< "format attribute requires variadic function">; def err_format_attribute_not : Error<"format argument not %0">; def err_format_attribute_result_not : Error<"function does not return %0">; def err_format_attribute_implicit_this_format_string : Error< "format attribute cannot specify the implicit this argument as the format " "string">; def err_callback_attribute_no_callee : Error< "'callback' attribute specifies no callback callee">; def err_callback_attribute_invalid_callee : Error< "'callback' attribute specifies invalid callback callee">; def err_callback_attribute_multiple : Error< "multiple 'callback' attributes specified">; def err_callback_attribute_argument_unknown : Error< "'callback' attribute argument %0 is not a known function parameter">; def err_callback_callee_no_function_type : Error< "'callback' attribute callee does not have function type">; def err_callback_callee_is_variadic : Error< "'callback' attribute callee may not be variadic">; def err_callback_implicit_this_not_available : Error< "'callback' argument at position %0 references unavailable implicit 'this'">; def err_init_method_bad_return_type : Error< "init methods must return an object pointer type, not %0">; def err_attribute_invalid_size : Error< "vector size not an integral multiple of component size">; def err_attribute_zero_size : Error<"zero %0 size">; def err_attribute_size_too_large : Error<"%0 size too large">; def err_typecheck_vector_not_convertable_implict_truncation : Error< "cannot convert between %select{scalar|vector}0 type %1 and vector type" " %2 as implicit conversion would cause truncation">; def err_typecheck_vector_not_convertable : Error< "cannot convert between vector values of different size (%0 and %1)">; def err_typecheck_vector_not_convertable_non_scalar : Error< "cannot convert between vector and non-scalar values (%0 and %1)">; def err_typecheck_vector_lengths_not_equal : Error< "vector operands do not have the same number of elements (%0 and %1)">; def warn_typecheck_vector_element_sizes_not_equal : Warning< "vector operands do not have the same elements sizes (%0 and %1)">, InGroup>, DefaultError; def err_ext_vector_component_exceeds_length : Error< "vector component access exceeds type %0">; def err_ext_vector_component_name_illegal : Error< "illegal vector component name '%0'">; def err_attribute_address_space_negative : Error< "address space is negative">; def err_attribute_address_space_too_high : Error< "address space is larger than the maximum supported (%0)">; def err_attribute_address_multiple_qualifiers : Error< "multiple address spaces specified for type">; def warn_attribute_address_multiple_identical_qualifiers : Warning< "multiple identical address spaces specified for type">, InGroup; def err_attribute_not_clinkage : Error< "function type with %0 attribute must have C linkage">; def err_function_decl_cmse_ns_call : Error< "functions may not be declared with 'cmse_nonsecure_call' attribute">; def err_attribute_address_function_type : Error< "function type may not be qualified with an address space">; def err_as_qualified_auto_decl : Error< "automatic variable qualified with an%select{| invalid}0 address space">; def err_arg_with_address_space : Error< "parameter may not be qualified with an address space">; def err_field_with_address_space : Error< "field may not be qualified with an address space">; def err_compound_literal_with_address_space : Error< "compound literal in function scope may not be qualified with an address space">; def err_address_space_mismatch_templ_inst : Error< "conflicting address space qualifiers are provided between types %0 and %1">; def err_attr_objc_ownership_redundant : Error< "the type %0 is already explicitly ownership-qualified">; def err_invalid_nsnumber_type : Error< "%0 is not a valid literal type for NSNumber">; def err_objc_illegal_boxed_expression_type : Error< "illegal type %0 used in a boxed expression">; def err_objc_non_trivially_copyable_boxed_expression_type : Error< "non-trivially copyable type %0 cannot be used in a boxed expression">; def err_objc_incomplete_boxed_expression_type : Error< "incomplete type %0 used in a boxed expression">; def err_undeclared_objc_literal_class : Error< "definition of class %0 must be available to use Objective-C " "%select{array literals|dictionary literals|numeric literals|boxed expressions|" "string literals}1">; def err_undeclared_boxing_method : Error< "declaration of %0 is missing in %1 class">; def err_objc_literal_method_sig : Error< "literal construction method %0 has incompatible signature">; def note_objc_literal_method_param : Note< "%select{first|second|third}0 parameter has unexpected type %1 " "(should be %2)">; def note_objc_literal_method_return : Note< "method returns unexpected type %0 (should be an object type)">; def err_invalid_collection_element : Error< "collection element of type %0 is not an Objective-C object">; def err_box_literal_collection : Error< "%select{string|character|boolean|numeric}0 literal must be prefixed by '@' " "in a collection">; def warn_objc_literal_comparison : Warning< "direct comparison of %select{an array literal|a dictionary literal|" "a numeric literal|a boxed expression|}0 has undefined behavior">, InGroup; def err_missing_atsign_prefix : Error< "%select{string|numeric}0 literal must be prefixed by '@'">; def warn_objc_string_literal_comparison : Warning< "direct comparison of a string literal has undefined behavior">, InGroup; def warn_concatenated_nsarray_literal : Warning< "concatenated NSString literal for an NSArray expression - " "possibly missing a comma">, InGroup; def note_objc_literal_comparison_isequal : Note< "use 'isEqual:' instead">; def warn_objc_collection_literal_element : Warning< "object of type %0 is not compatible with " "%select{array element type|dictionary key type|dictionary value type}1 %2">, InGroup; def warn_nsdictionary_duplicate_key : Warning< "duplicate key in dictionary literal">, InGroup>; def note_nsdictionary_duplicate_key_here : Note< "previous equal key is here">; def err_swift_param_attr_not_swiftcall : Error< "'%0' parameter can only be used with swiftcall calling convention">; def err_swift_indirect_result_not_first : Error< "'swift_indirect_result' parameters must be first parameters of function">; def err_swift_error_result_not_after_swift_context : Error< "'swift_error_result' parameter must follow 'swift_context' parameter">; def err_swift_abi_parameter_wrong_type : Error< "'%0' parameter must have pointer%select{| to unqualified pointer}1 type; " "type here is %2">; def err_attribute_argument_invalid : Error< "%0 attribute argument is invalid: %select{max must be 0 since min is 0|" "min must not be greater than max}1">; def err_attribute_argument_is_zero : Error< "%0 attribute must be greater than 0">; def warn_attribute_argument_n_negative : Warning< "%0 attribute parameter %1 is negative and will be ignored">, InGroup; def err_property_function_in_objc_container : Error< "use of Objective-C property in function nested in Objective-C " "container not supported, move function outside its container">; let CategoryName = "Cocoa API Issue" in { def warn_objc_redundant_literal_use : Warning< "using %0 with a literal is redundant">, InGroup; } def err_attr_tlsmodel_arg : Error<"tls_model must be \"global-dynamic\", " "\"local-dynamic\", \"initial-exec\" or \"local-exec\"">; def err_tls_var_aligned_over_maximum : Error< "alignment (%0) of thread-local variable %1 is greater than the maximum supported " "alignment (%2) for a thread-local variable on this target">; def err_only_annotate_after_access_spec : Error< "access specifier can only have annotation attributes">; def err_attribute_section_invalid_for_target : Error< "argument to %select{'code_seg'|'section'}1 attribute is not valid for this target: %0">; def warn_attribute_section_drectve : Warning< "#pragma %0(\".drectve\") has undefined behavior, " "use #pragma comment(linker, ...) instead">, InGroup; def warn_mismatched_section : Warning< "%select{codeseg|section}0 does not match previous declaration">, InGroup
; def warn_attribute_section_on_redeclaration : Warning< "section attribute is specified on redeclared variable">, InGroup
; def err_mismatched_code_seg_base : Error< "derived class must specify the same code segment as its base classes">; def err_mismatched_code_seg_override : Error< "overriding virtual function must specify the same code segment as its overridden function">; def err_conflicting_codeseg_attribute : Error< "conflicting code segment specifiers">; def warn_duplicate_codeseg_attribute : Warning< "duplicate code segment specifiers">, InGroup
; def err_anonymous_property: Error< "anonymous property is not supported">; def err_property_is_variably_modified : Error< "property %0 has a variably modified type">; def err_no_accessor_for_property : Error< "no %select{getter|setter}0 defined for property %1">; def err_cannot_find_suitable_accessor : Error< "cannot find suitable %select{getter|setter}0 for property %1">; def warn_alloca : Warning< "use of function %0 is discouraged; there is no way to check for failure but " "failure may still occur, resulting in a possibly exploitable security vulnerability">, InGroup>, DefaultIgnore; def warn_alloca_align_alignof : Warning< "second argument to __builtin_alloca_with_align is supposed to be in bits">, InGroup>; def err_alignment_too_small : Error< "requested alignment must be %0 or greater">; def err_alignment_too_big : Error< "requested alignment must be %0 or smaller">; def err_alignment_not_power_of_two : Error< "requested alignment is not a power of 2">; def warn_alignment_not_power_of_two : Warning< err_alignment_not_power_of_two.Text>, InGroup>; def err_alignment_dependent_typedef_name : Error< "requested alignment is dependent but declaration is not dependent">; def warn_alignment_builtin_useless : Warning< "%select{aligning a value|the result of checking whether a value is aligned}0" " to 1 byte is %select{a no-op|always true}0">, InGroup; def err_attribute_aligned_too_great : Error< "requested alignment must be %0 bytes or smaller">; def warn_assume_aligned_too_great : Warning<"requested alignment must be %0 bytes or smaller; maximum " "alignment assumed">, InGroup>; def warn_redeclaration_without_attribute_prev_attribute_ignored : Warning< "%q0 redeclared without %1 attribute: previous %1 ignored">, InGroup; def warn_redeclaration_without_import_attribute : Warning< "%q0 redeclared without 'dllimport' attribute: 'dllexport' attribute added">, InGroup; def warn_dllimport_dropped_from_inline_function : Warning< "%q0 redeclared inline; %1 attribute ignored">, InGroup; def warn_attribute_ignored : Warning<"%0 attribute ignored">, InGroup; def warn_nothrow_attribute_ignored : Warning<"'nothrow' attribute conflicts with" " exception specification; attribute ignored">, InGroup; def warn_attribute_ignored_on_inline : Warning<"%0 attribute ignored on inline function">, InGroup; def warn_nocf_check_attribute_ignored : Warning<"'nocf_check' attribute ignored; use -fcf-protection to enable the attribute">, InGroup; def warn_attribute_after_definition_ignored : Warning< "attribute %0 after definition is ignored">, InGroup; def warn_cxx11_gnu_attribute_on_type : Warning< "attribute %0 ignored, because it cannot be applied to a type">, InGroup; def warn_unhandled_ms_attribute_ignored : Warning< "__declspec attribute %0 is not supported">, InGroup; def err_decl_attribute_invalid_on_stmt : Error< "%0 attribute cannot be applied to a statement">; def err_stmt_attribute_invalid_on_decl : Error< "%0 attribute cannot be applied to a declaration">; def warn_declspec_attribute_ignored : Warning< "attribute %0 is ignored, place it after " "\"%select{class|struct|interface|union|enum}1\" to apply attribute to " "type declaration">, InGroup; def warn_attribute_precede_definition : Warning< "attribute declaration must precede definition">, InGroup; def warn_attribute_void_function_method : Warning< "attribute %0 cannot be applied to " "%select{functions|Objective-C method}1 without return value">, InGroup; def warn_attribute_weak_on_field : Warning< "__weak attribute cannot be specified on a field declaration">, InGroup; def warn_gc_attribute_weak_on_local : Warning< "Objective-C GC does not allow weak variables on the stack">, InGroup; def warn_nsobject_attribute : Warning< "'NSObject' attribute may be put on a typedef only; attribute is ignored">, InGroup; def warn_independentclass_attribute : Warning< "'objc_independent_class' attribute may be put on a typedef only; " "attribute is ignored">, InGroup; def warn_ptr_independentclass_attribute : Warning< "'objc_independent_class' attribute may be put on Objective-C object " "pointer type only; attribute is ignored">, InGroup; def warn_attribute_weak_on_local : Warning< "__weak attribute cannot be specified on an automatic variable when ARC " "is not enabled">, InGroup; def warn_weak_identifier_undeclared : Warning< "weak identifier %0 never declared">; def warn_attribute_cmse_entry_static : Warning< "'cmse_nonsecure_entry' cannot be applied to functions with internal linkage">, InGroup; def warn_cmse_nonsecure_union : Warning< "passing union across security boundary via %select{parameter %1|return value}0 " "may leak information">, InGroup>; def err_attribute_weak_static : Error< "weak declaration cannot have internal linkage">; def err_attribute_selectany_non_extern_data : Error< "'selectany' can only be applied to data items with external linkage">; def err_declspec_thread_on_thread_variable : Error< "'__declspec(thread)' applied to variable that already has a " "thread-local storage specifier">; def err_attribute_dll_not_extern : Error< "%q0 must have external linkage when declared %q1">; def err_attribute_dll_thread_local : Error< "%q0 cannot be thread local when declared %q1">; def err_attribute_dll_lambda : Error< "lambda cannot be declared %0">; def warn_attribute_invalid_on_definition : Warning< "'%0' attribute cannot be specified on a definition">, InGroup; def err_attribute_dll_redeclaration : Error< "redeclaration of %q0 cannot add %q1 attribute">; def warn_attribute_dll_redeclaration : Warning< "redeclaration of %q0 should not add %q1 attribute">, InGroup>; def err_attribute_dllimport_function_definition : Error< "dllimport cannot be applied to non-inline function definition">; def err_attribute_dll_deleted : Error< "attribute %q0 cannot be applied to a deleted function">; def err_attribute_dllimport_data_definition : Error< "definition of dllimport data">; def err_attribute_dllimport_static_field_definition : Error< "definition of dllimport static field not allowed">; def warn_attribute_dllimport_static_field_definition : Warning< "definition of dllimport static field">, InGroup>; def warn_attribute_dllexport_explicit_instantiation_decl : Warning< "explicit instantiation declaration should not be 'dllexport'">, InGroup>; def warn_attribute_dllexport_explicit_instantiation_def : Warning< "'dllexport' attribute ignored on explicit instantiation definition">, InGroup; def warn_invalid_initializer_from_system_header : Warning< "invalid constructor form class in system header, should not be explicit">, InGroup>; def note_used_in_initialization_here : Note<"used in initialization here">; def err_attribute_dll_member_of_dll_class : Error< "attribute %q0 cannot be applied to member of %q1 class">; def warn_attribute_dll_instantiated_base_class : Warning< "propagating dll attribute to %select{already instantiated|explicitly specialized}0 " "base class template without dll attribute is not supported">, InGroup>, DefaultIgnore; def err_attribute_dll_ambiguous_default_ctor : Error< "'__declspec(dllexport)' cannot be applied to more than one default constructor in %0">; def err_attribute_weakref_not_static : Error< "weakref declaration must have internal linkage">; def err_attribute_weakref_not_global_context : Error< "weakref declaration of %0 must be in a global context">; def err_attribute_weakref_without_alias : Error< "weakref declaration of %0 must also have an alias attribute">; def err_alias_not_supported_on_darwin : Error < "aliases are not supported on darwin">; def warn_attribute_wrong_decl_type_str : Warning< "%0 attribute only applies to %1">, InGroup; def err_attribute_wrong_decl_type_str : Error< warn_attribute_wrong_decl_type_str.Text>; def warn_attribute_wrong_decl_type : Warning< "%0 attribute only applies to %select{" "functions" "|unions" "|variables and functions" "|functions and methods" "|functions, methods and blocks" "|functions, methods, and parameters" "|variables" "|variables and fields" "|variables, data members and tag types" "|types and namespaces" "|variables, functions and classes" "|kernel functions" "|non-K&R-style functions}1">, InGroup; def err_attribute_wrong_decl_type : Error; def warn_type_attribute_wrong_type : Warning< "'%0' only applies to %select{function|pointer|" "Objective-C object or block pointer}1 types; type here is %2">, InGroup; def warn_incomplete_encoded_type : Warning< "encoding of %0 type is incomplete because %1 component has unknown encoding">, InGroup>; def warn_gnu_inline_attribute_requires_inline : Warning< "'gnu_inline' attribute requires function to be marked 'inline'," " attribute ignored">, InGroup; def warn_gnu_inline_cplusplus_without_extern : Warning< "'gnu_inline' attribute without 'extern' in C++ treated as externally" " available, this changed in Clang 10">, InGroup>; def err_attribute_vecreturn_only_vector_member : Error< "the vecreturn attribute can only be used on a class or structure with one member, which must be a vector">; def err_attribute_vecreturn_only_pod_record : Error< "the vecreturn attribute can only be used on a POD (plain old data) class or structure (i.e. no virtual functions)">; def err_cconv_change : Error< "function declared '%0' here was previously declared " "%select{'%2'|without calling convention}1">; def warn_cconv_unsupported : Warning< "%0 calling convention is not supported %select{" // Use CallingConventionIgnoredReason Enum to specify these. "for this target" "|on variadic function" "|on constructor/destructor" "|on builtin function" "}1">, InGroup; def error_cconv_unsupported : Error; def err_cconv_knr : Error< "function with no prototype cannot use the %0 calling convention">; def warn_cconv_knr : Warning< err_cconv_knr.Text>, InGroup>; def err_cconv_varargs : Error< "variadic function cannot use %0 calling convention">; def err_regparm_mismatch : Error<"function declared with regparm(%0) " "attribute was previously declared " "%plural{0:without the regparm|:with the regparm(%1)}1 attribute">; def err_function_attribute_mismatch : Error< "function declared with %0 attribute " "was previously declared without the %0 attribute">; def err_objc_precise_lifetime_bad_type : Error< "objc_precise_lifetime only applies to retainable types; type here is %0">; def warn_objc_precise_lifetime_meaningless : Error< "objc_precise_lifetime is not meaningful for " "%select{__unsafe_unretained|__autoreleasing}0 objects">; def err_invalid_pcs : Error<"invalid PCS type">; def warn_attribute_not_on_decl : Warning< "%0 attribute ignored when parsing type">, InGroup; def err_base_specifier_attribute : Error< "%0 attribute cannot be applied to a base specifier">; def err_invalid_attribute_on_virtual_function : Error< "%0 attribute cannot be applied to virtual functions">; def warn_declspec_allocator_nonpointer : Warning< "ignoring __declspec(allocator) because the function return type %0 is not " "a pointer or reference type">, InGroup; def err_cconv_incomplete_param_type : Error< "parameter %0 must have a complete type to use function %1 with the %2 " "calling convention">; def err_attribute_output_parameter : Error< "attribute only applies to output parameters">; def ext_cannot_use_trivial_abi : ExtWarn< "'trivial_abi' cannot be applied to %0">, InGroup; def note_cannot_use_trivial_abi_reason : Note< "'trivial_abi' is disallowed on %0 because %select{" "its copy constructors and move constructors are all deleted|" "it is polymorphic|" "it has a base of a non-trivial class type|it has a virtual base|" "it has a __weak field|it has a field of a non-trivial class type}1">; // Availability attribute def warn_availability_unknown_platform : Warning< "unknown platform %0 in availability macro">, InGroup; def warn_availability_version_ordering : Warning< "feature cannot be %select{introduced|deprecated|obsoleted}0 in %1 version " "%2 before it was %select{introduced|deprecated|obsoleted}3 in version %4; " "attribute ignored">, InGroup; def warn_mismatched_availability: Warning< "availability does not match previous declaration">, InGroup; def warn_mismatched_availability_override : Warning< "%select{|overriding }4method %select{introduced after|" "deprecated before|obsoleted before}0 " "%select{the protocol method it implements|overridden method}4 " "on %1 (%2 vs. %3)">, InGroup; def warn_mismatched_availability_override_unavail : Warning< "%select{|overriding }1method cannot be unavailable on %0 when " "%select{the protocol method it implements|its overridden method}1 is " "available">, InGroup; def warn_availability_on_static_initializer : Warning< "ignoring availability attribute %select{on '+load' method|" "with constructor attribute|with destructor attribute}0">, InGroup; def note_overridden_method : Note< "overridden method is here">; def warn_availability_swift_unavailable_deprecated_only : Warning< "only 'unavailable' and 'deprecated' are supported for Swift availability">, InGroup; def note_protocol_method : Note< "protocol method is here">; def warn_unguarded_availability : Warning<"%0 is only available on %1 %2 or newer">, InGroup, DefaultIgnore; def warn_unguarded_availability_new : Warning, InGroup; def note_decl_unguarded_availability_silence : Note< "annotate %select{%1|anonymous %1}0 with an availability attribute to silence this warning">; def note_unguarded_available_silence : Note< "enclose %0 in %select{an @available|a __builtin_available}1 check to silence" " this warning">; def warn_at_available_unchecked_use : Warning< "%select{@available|__builtin_available}0 does not guard availability here; " "use if (%select{@available|__builtin_available}0) instead">, InGroup>; // Thread Safety Attributes def warn_thread_attribute_ignored : Warning< "ignoring %0 attribute because its argument is invalid">, InGroup, DefaultIgnore; def warn_thread_attribute_not_on_non_static_member : Warning< "%0 attribute without capability arguments can only be applied to non-static " "methods of a class">, InGroup, DefaultIgnore; def warn_thread_attribute_not_on_capability_member : Warning< "%0 attribute without capability arguments refers to 'this', but %1 isn't " "annotated with 'capability' or 'scoped_lockable' attribute">, InGroup, DefaultIgnore; def warn_thread_attribute_argument_not_lockable : Warning< "%0 attribute requires arguments whose type is annotated " "with 'capability' attribute; type here is %1">, InGroup, DefaultIgnore; def warn_thread_attribute_decl_not_lockable : Warning< "%0 attribute can only be applied in a context annotated " "with 'capability' attribute">, InGroup, DefaultIgnore; def warn_thread_attribute_decl_not_pointer : Warning< "%0 only applies to pointer types; type here is %1">, InGroup, DefaultIgnore; def err_attribute_argument_out_of_bounds_extra_info : Error< "%0 attribute parameter %1 is out of bounds: " "%plural{0:no parameters to index into|" "1:can only be 1, since there is one parameter|" ":must be between 1 and %2}2">; // Thread Safety Analysis def warn_unlock_but_no_lock : Warning<"releasing %0 '%1' that was not held">, InGroup, DefaultIgnore; def warn_unlock_kind_mismatch : Warning< "releasing %0 '%1' using %select{shared|exclusive}2 access, expected " "%select{shared|exclusive}3 access">, InGroup, DefaultIgnore; def warn_double_lock : Warning<"acquiring %0 '%1' that is already held">, InGroup, DefaultIgnore; def warn_no_unlock : Warning< "%0 '%1' is still held at the end of function">, InGroup, DefaultIgnore; def warn_expecting_locked : Warning< "expecting %0 '%1' to be held at the end of function">, InGroup, DefaultIgnore; // FIXME: improve the error message about locks not in scope def warn_lock_some_predecessors : Warning< "%0 '%1' is not held on every path through here">, InGroup, DefaultIgnore; def warn_expecting_lock_held_on_loop : Warning< "expecting %0 '%1' to be held at start of each loop">, InGroup, DefaultIgnore; def note_locked_here : Note<"%0 acquired here">; def note_unlocked_here : Note<"%0 released here">; def warn_lock_exclusive_and_shared : Warning< "%0 '%1' is acquired exclusively and shared in the same scope">, InGroup, DefaultIgnore; def note_lock_exclusive_and_shared : Note< "the other acquisition of %0 '%1' is here">; def warn_variable_requires_any_lock : Warning< "%select{reading|writing}1 variable %0 requires holding " "%select{any mutex|any mutex exclusively}1">, InGroup, DefaultIgnore; def warn_var_deref_requires_any_lock : Warning< "%select{reading|writing}1 the value pointed to by %0 requires holding " "%select{any mutex|any mutex exclusively}1">, InGroup, DefaultIgnore; def warn_fun_excludes_mutex : Warning< "cannot call function '%1' while %0 '%2' is held">, InGroup, DefaultIgnore; def warn_cannot_resolve_lock : Warning< "cannot resolve lock expression">, InGroup, DefaultIgnore; def warn_acquired_before : Warning< "%0 '%1' must be acquired before '%2'">, InGroup, DefaultIgnore; def warn_acquired_before_after_cycle : Warning< "Cycle in acquired_before/after dependencies, starting with '%0'">, InGroup, DefaultIgnore; // Thread safety warnings negative capabilities def warn_acquire_requires_negative_cap : Warning< "acquiring %0 '%1' requires negative capability '%2'">, InGroup, DefaultIgnore; // Thread safety warnings on pass by reference def warn_guarded_pass_by_reference : Warning< "passing variable %1 by reference requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_pt_guarded_pass_by_reference : Warning< "passing the value that %1 points to by reference requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; // Imprecise thread safety warnings def warn_variable_requires_lock : Warning< "%select{reading|writing}3 variable %1 requires holding %0 " "%select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_var_deref_requires_lock : Warning< "%select{reading|writing}3 the value pointed to by %1 requires " "holding %0 %select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; def warn_fun_requires_lock : Warning< "calling function %1 requires holding %0 %select{'%2'|'%2' exclusively}3">, InGroup, DefaultIgnore; // Precise thread safety warnings def warn_variable_requires_lock_precise : Warning, InGroup, DefaultIgnore; def warn_var_deref_requires_lock_precise : Warning, InGroup, DefaultIgnore; def warn_fun_requires_lock_precise : Warning, InGroup, DefaultIgnore; def note_found_mutex_near_match : Note<"found near match '%0'">; // Verbose thread safety warnings def warn_thread_safety_verbose : Warning<"Thread safety verbose warning.">, InGroup, DefaultIgnore; def note_thread_warning_in_fun : Note<"Thread warning in function %0">; def note_guarded_by_declared_here : Note<"Guarded_by declared here.">; // Dummy warning that will trigger "beta" warnings from the analysis if enabled. def warn_thread_safety_beta : Warning<"Thread safety beta warning.">, InGroup, DefaultIgnore; // Consumed warnings def warn_use_in_invalid_state : Warning< "invalid invocation of method '%0' on object '%1' while it is in the '%2' " "state">, InGroup, DefaultIgnore; def warn_use_of_temp_in_invalid_state : Warning< "invalid invocation of method '%0' on a temporary object while it is in the " "'%1' state">, InGroup, DefaultIgnore; def warn_attr_on_unconsumable_class : Warning< "consumed analysis attribute is attached to member of class %0 which isn't " "marked as consumable">, InGroup, DefaultIgnore; def warn_return_typestate_for_unconsumable_type : Warning< "return state set for an unconsumable type '%0'">, InGroup, DefaultIgnore; def warn_return_typestate_mismatch : Warning< "return value not in expected state; expected '%0', observed '%1'">, InGroup, DefaultIgnore; def warn_loop_state_mismatch : Warning< "state of variable '%0' must match at the entry and exit of loop">, InGroup, DefaultIgnore; def warn_param_return_typestate_mismatch : Warning< "parameter '%0' not in expected state when the function returns: expected " "'%1', observed '%2'">, InGroup, DefaultIgnore; def warn_param_typestate_mismatch : Warning< "argument not in expected state; expected '%0', observed '%1'">, InGroup, DefaultIgnore; // no_sanitize attribute def warn_unknown_sanitizer_ignored : Warning< "unknown sanitizer '%0' ignored">, InGroup; def warn_impcast_vector_scalar : Warning< "implicit conversion turns vector to scalar: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_complex_scalar : Warning< "implicit conversion discards imaginary component: %0 to %1">, InGroup, DefaultIgnore; def err_impcast_complex_scalar : Error< "implicit conversion from %0 to %1 is not permitted in C++">; def warn_impcast_float_precision : Warning< "implicit conversion loses floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_float_result_precision : Warning< "implicit conversion when assigning computation result loses floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_double_promotion : Warning< "implicit conversion increases floating-point precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_sign : Warning< "implicit conversion changes signedness: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_sign_conditional : Warning< "operand of ? changes signedness: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_precision : Warning< "implicit conversion loses integer precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_high_order_zero_bits : Warning< "higher order bits are zeroes after implicit conversion">, InGroup, DefaultIgnore; def warn_impcast_nonnegative_result : Warning< "the resulting value is always non-negative after implicit conversion">, InGroup, DefaultIgnore; def warn_impcast_integer_64_32 : Warning< "implicit conversion loses integer precision: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_integer_precision_constant : Warning< "implicit conversion from %2 to %3 changes value from %0 to %1">, InGroup; def warn_impcast_bitfield_precision_constant : Warning< "implicit truncation from %2 to bit-field changes value from %0 to %1">, InGroup; def warn_impcast_constant_value_to_objc_bool : Warning< "implicit conversion from constant value %0 to 'BOOL'; " "the only well defined values for 'BOOL' are YES and NO">, InGroup; def warn_impcast_fixed_point_range : Warning< "implicit conversion from %0 cannot fit within the range of values for %1">, InGroup; def warn_impcast_literal_float_to_integer : Warning< "implicit conversion from %0 to %1 changes value from %2 to %3">, InGroup; def warn_impcast_literal_float_to_integer_out_of_range : Warning< "implicit conversion of out of range value from %0 to %1 is undefined">, InGroup; def warn_impcast_float_integer : Warning< "implicit conversion turns floating-point number into integer: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_float_to_objc_signed_char_bool : Warning< "implicit conversion from floating-point type %0 to 'BOOL'">, InGroup; def warn_impcast_int_to_objc_signed_char_bool : Warning< "implicit conversion from integral type %0 to 'BOOL'">, InGroup, DefaultIgnore; // Implicit int -> float conversion precision loss warnings. def warn_impcast_integer_float_precision : Warning< "implicit conversion from %0 to %1 may lose precision">, InGroup, DefaultIgnore; def warn_impcast_integer_float_precision_constant : Warning< "implicit conversion from %2 to %3 changes value from %0 to %1">, InGroup; def warn_impcast_float_to_integer : Warning< "implicit conversion from %0 to %1 changes value from %2 to %3">, InGroup, DefaultIgnore; def warn_impcast_float_to_integer_out_of_range : Warning< "implicit conversion of out of range value from %0 to %1 is undefined">, InGroup, DefaultIgnore; def warn_impcast_float_to_integer_zero : Warning< "implicit conversion from %0 to %1 changes non-zero value from %2 to %3">, InGroup, DefaultIgnore; def warn_impcast_string_literal_to_bool : Warning< "implicit conversion turns string literal into bool: %0 to %1">, InGroup, DefaultIgnore; def warn_impcast_different_enum_types : Warning< "implicit conversion from enumeration type %0 to different enumeration type " "%1">, InGroup; def warn_impcast_bool_to_null_pointer : Warning< "initialization of pointer of type %0 to null from a constant boolean " "expression">, InGroup; def warn_non_literal_null_pointer : Warning< "expression which evaluates to zero treated as a null pointer constant of " "type %0">, InGroup; def warn_pointer_compare : Warning< "comparing a pointer to a null character constant; did you mean " "to compare to %select{NULL|(void *)0}0?">, InGroup>; def warn_impcast_null_pointer_to_integer : Warning< "implicit conversion of %select{NULL|nullptr}0 constant to %1">, InGroup; def warn_impcast_floating_point_to_bool : Warning< "implicit conversion turns floating-point number into bool: %0 to %1">, InGroup; def ext_ms_impcast_fn_obj : ExtWarn< "implicit conversion between pointer-to-function and pointer-to-object is a " "Microsoft extension">, InGroup; def warn_impcast_pointer_to_bool : Warning< "address of%select{| function| array}0 '%1' will always evaluate to " "'true'">, InGroup; def warn_cast_nonnull_to_bool : Warning< "nonnull %select{function call|parameter}0 '%1' will evaluate to " "'true' on first encounter">, InGroup; def warn_this_bool_conversion : Warning< "'this' pointer cannot be null in well-defined C++ code; pointer may be " "assumed to always convert to true">, InGroup; def warn_address_of_reference_bool_conversion : Warning< "reference cannot be bound to dereferenced null pointer in well-defined C++ " "code; pointer may be assumed to always convert to true">, InGroup; def warn_xor_used_as_pow : Warning< "result of '%0' is %1; did you mean exponentiation?">, InGroup; def warn_xor_used_as_pow_base_extra : Warning< "result of '%0' is %1; did you mean '%2' (%3)?">, InGroup; def warn_xor_used_as_pow_base : Warning< "result of '%0' is %1; did you mean '%2'?">, InGroup; def note_xor_used_as_pow_silence : Note< "replace expression with '%0' %select{|or use 'xor' instead of '^' }1to silence this warning">; def warn_null_pointer_compare : Warning< "comparison of %select{address of|function|array}0 '%1' %select{not |}2" "equal to a null pointer is always %select{true|false}2">, InGroup; def warn_nonnull_expr_compare : Warning< "comparison of nonnull %select{function call|parameter}0 '%1' " "%select{not |}2equal to a null pointer is '%select{true|false}2' on first " "encounter">, InGroup; def warn_this_null_compare : Warning< "'this' pointer cannot be null in well-defined C++ code; comparison may be " "assumed to always evaluate to %select{true|false}0">, InGroup; def warn_address_of_reference_null_compare : Warning< "reference cannot be bound to dereferenced null pointer in well-defined C++ " "code; comparison may be assumed to always evaluate to " "%select{true|false}0">, InGroup; def note_reference_is_return_value : Note<"%0 returns a reference">; def note_pointer_declared_here : Note< "pointer %0 declared here">; def warn_division_sizeof_ptr : Warning< "'%0' will return the size of the pointer, not the array itself">, InGroup>; def warn_division_sizeof_array : Warning< "expression does not compute the number of elements in this array; element " "type is %0, not %1">, InGroup>; def note_function_warning_silence : Note< "prefix with the address-of operator to silence this warning">; def note_function_to_function_call : Note< "suffix with parentheses to turn this into a function call">; def warn_impcast_objective_c_literal_to_bool : Warning< "implicit boolean conversion of Objective-C object literal always " "evaluates to true">, InGroup; def warn_cast_align : Warning< "cast from %0 to %1 increases required alignment from %2 to %3">, InGroup, DefaultIgnore; def warn_old_style_cast : Warning< "use of old-style cast">, InGroup, DefaultIgnore; // Separate between casts to void* and non-void* pointers. // Some APIs use (abuse) void* for something like a user context, // and often that value is an integer even if it isn't a pointer itself. // Having a separate warning flag allows users to control the warning // for their workflow. def warn_int_to_pointer_cast : Warning< "cast to %1 from smaller integer type %0">, InGroup; def warn_int_to_void_pointer_cast : Warning< "cast to %1 from smaller integer type %0">, InGroup; def warn_pointer_to_int_cast : Warning< "cast to smaller integer type %1 from %0">, InGroup; def warn_pointer_to_enum_cast : Warning< warn_pointer_to_int_cast.Text>, InGroup; def warn_void_pointer_to_int_cast : Warning< "cast to smaller integer type %1 from %0">, InGroup; def warn_void_pointer_to_enum_cast : Warning< warn_void_pointer_to_int_cast.Text>, InGroup; def warn_attribute_ignored_for_field_of_type : Warning< "%0 attribute ignored for field of type %1">, InGroup; def warn_no_underlying_type_specified_for_enum_bitfield : Warning< "enums in the Microsoft ABI are signed integers by default; consider giving " "the enum %0 an unsigned underlying type to make this code portable">, InGroup, DefaultIgnore; def warn_attribute_packed_for_bitfield : Warning< "'packed' attribute was ignored on bit-fields with single-byte alignment " "in older versions of GCC and Clang">, InGroup>; def warn_transparent_union_attribute_field_size_align : Warning< "%select{alignment|size}0 of field %1 (%2 bits) does not match the " "%select{alignment|size}0 of the first field in transparent union; " "transparent_union attribute ignored">, InGroup; def note_transparent_union_first_field_size_align : Note< "%select{alignment|size}0 of first field is %1 bits">; def warn_transparent_union_attribute_not_definition : Warning< "transparent_union attribute can only be applied to a union definition; " "attribute ignored">, InGroup; def warn_transparent_union_attribute_floating : Warning< "first field of a transparent union cannot have %select{floating point|" "vector}0 type %1; transparent_union attribute ignored">, InGroup; def warn_transparent_union_attribute_zero_fields : Warning< "transparent union definition must contain at least one field; " "transparent_union attribute ignored">, InGroup; def warn_attribute_type_not_supported : Warning< "%0 attribute argument not supported: %1">, InGroup; def warn_attribute_unknown_visibility : Warning<"unknown visibility %0">, InGroup; def warn_attribute_protected_visibility : Warning<"target does not support 'protected' visibility; using 'default'">, InGroup>; def err_mismatched_visibility: Error<"visibility does not match previous declaration">; def note_previous_attribute : Note<"previous attribute is here">; def note_conflicting_attribute : Note<"conflicting attribute is here">; def note_attribute : Note<"attribute is here">; def err_mismatched_ms_inheritance : Error< "inheritance model does not match %select{definition|previous declaration}0">; def warn_ignored_ms_inheritance : Warning< "inheritance model ignored on %select{primary template|partial specialization}0">, InGroup; def note_previous_ms_inheritance : Note< "previous inheritance model specified here">; def err_machine_mode : Error<"%select{unknown|unsupported}0 machine mode %1">; def err_mode_not_primitive : Error< "mode attribute only supported for integer and floating-point types">; def err_mode_wrong_type : Error< "type of machine mode does not match type of base type">; def warn_vector_mode_deprecated : Warning< "specifying vector types with the 'mode' attribute is deprecated; " "use the 'vector_size' attribute instead">, InGroup; def err_complex_mode_vector_type : Error< "type of machine mode does not support base vector types">; def err_enum_mode_vector_type : Error< "mode %0 is not supported for enumeration types">; def warn_attribute_nonnull_no_pointers : Warning< "'nonnull' attribute applied to function with no pointer arguments">, InGroup; def warn_attribute_nonnull_parm_no_args : Warning< "'nonnull' attribute when used on parameters takes no arguments">, InGroup; def note_declared_nonnull : Note< "declared %select{'returns_nonnull'|'nonnull'}0 here">; def warn_attribute_sentinel_named_arguments : Warning< "'sentinel' attribute requires named arguments">, InGroup; def warn_attribute_sentinel_not_variadic : Warning< "'sentinel' attribute only supported for variadic %select{functions|blocks}0">, InGroup; def err_attribute_sentinel_less_than_zero : Error< "'sentinel' parameter 1 less than zero">; def err_attribute_sentinel_not_zero_or_one : Error< "'sentinel' parameter 2 not 0 or 1">; def warn_cleanup_ext : Warning< "GCC does not allow the 'cleanup' attribute argument to be anything other " "than a simple identifier">, InGroup; def err_attribute_cleanup_arg_not_function : Error< "'cleanup' argument %select{|%1 |%1 }0is not a %select{||single }0function">; def err_attribute_cleanup_func_must_take_one_arg : Error< "'cleanup' function %0 must take 1 parameter">; def err_attribute_cleanup_func_arg_incompatible_type : Error< "'cleanup' function %0 parameter has " "%diff{type $ which is incompatible with type $|incompatible type}1,2">; def err_attribute_regparm_wrong_platform : Error< "'regparm' is not valid on this platform">; def err_attribute_regparm_invalid_number : Error< "'regparm' parameter must be between 0 and %0 inclusive">; def err_attribute_not_supported_in_lang : Error< "%0 attribute is not supported in %select{C|C++|Objective-C}1">; def err_attribute_not_supported_on_arch : Error<"%0 attribute is not supported on '%1'">; def warn_gcc_ignores_type_attr : Warning< "GCC does not allow the %0 attribute to be written on a type">, InGroup; // Clang-Specific Attributes def warn_attribute_iboutlet : Warning< "%0 attribute can only be applied to instance variables or properties">, InGroup; def err_iboutletcollection_type : Error< "invalid type %0 as argument of iboutletcollection attribute">; def err_iboutletcollection_builtintype : Error< "type argument of iboutletcollection attribute cannot be a builtin type">; def warn_iboutlet_object_type : Warning< "%select{instance variable|property}2 with %0 attribute must " "be an object type (invalid %1)">, InGroup; def warn_iboutletcollection_property_assign : Warning< "IBOutletCollection properties should be copy/strong and not assign">, InGroup; def err_attribute_overloadable_mismatch : Error< "redeclaration of %0 must %select{not |}1have the 'overloadable' attribute">; def note_attribute_overloadable_prev_overload : Note< "previous %select{unmarked |}0overload of function is here">; def err_attribute_overloadable_no_prototype : Error< "'overloadable' function %0 must have a prototype">; def err_attribute_overloadable_multiple_unmarked_overloads : Error< "at most one overload for a given name may lack the 'overloadable' " "attribute">; def warn_attribute_no_builtin_invalid_builtin_name : Warning< "'%0' is not a valid builtin name for %1">, InGroup>; def err_attribute_no_builtin_wildcard_or_builtin_name : Error< "empty %0 cannot be composed with named ones">; def err_attribute_no_builtin_on_non_definition : Error< "%0 attribute is permitted on definitions only">; def err_attribute_no_builtin_on_defaulted_deleted_function : Error< "%0 attribute has no effect on defaulted or deleted functions">; def warn_ns_attribute_wrong_return_type : Warning< "%0 attribute only applies to %select{functions|methods|properties}1 that " "return %select{an Objective-C object|a pointer|a non-retainable pointer}2">, InGroup; def err_ns_attribute_wrong_parameter_type : Error< "%0 attribute only applies to " "%select{Objective-C object|pointer|pointer-to-CF-pointer}1 parameters">; def warn_ns_attribute_wrong_parameter_type : Warning< "%0 attribute only applies to " "%select{Objective-C object|pointer|pointer-to-CF-pointer|pointer/reference-to-OSObject-pointer}1 parameters">, InGroup; def warn_objc_requires_super_protocol : Warning< "%0 attribute cannot be applied to %select{methods in protocols|dealloc}1">, InGroup>; def note_protocol_decl : Note< "protocol is declared here">; def note_protocol_decl_undefined : Note< "protocol %0 has no definition">; // objc_designated_initializer attribute diagnostics. def warn_objc_designated_init_missing_super_call : Warning< "designated initializer missing a 'super' call to a designated initializer of the super class">, InGroup; def note_objc_designated_init_marked_here : Note< "method marked as designated initializer of the class here">; def warn_objc_designated_init_non_super_designated_init_call : Warning< "designated initializer should only invoke a designated initializer on 'super'">, InGroup; def warn_objc_designated_init_non_designated_init_call : Warning< "designated initializer invoked a non-designated initializer">, InGroup; def warn_objc_secondary_init_super_init_call : Warning< "convenience initializer should not invoke an initializer on 'super'">, InGroup; def warn_objc_secondary_init_missing_init_call : Warning< "convenience initializer missing a 'self' call to another initializer">, InGroup; def warn_objc_implementation_missing_designated_init_override : Warning< "method override for the designated initializer of the superclass %objcinstance0 not found">, InGroup; def err_designated_init_attr_non_init : Error< "'objc_designated_initializer' attribute only applies to init methods " "of interface or class extension declarations">; // objc_bridge attribute diagnostics. def err_objc_attr_not_id : Error< "parameter of %0 attribute must be a single name of an Objective-C %select{class|protocol}1">; def err_objc_attr_typedef_not_id : Error< "parameter of %0 attribute must be 'id' when used on a typedef">; def err_objc_attr_typedef_not_void_pointer : Error< "'objc_bridge(id)' is only allowed on structs and typedefs of void pointers">; def err_objc_cf_bridged_not_interface : Error< "CF object of type %0 is bridged to %1, which is not an Objective-C class">; def err_objc_ns_bridged_invalid_cfobject : Error< "ObjectiveC object of type %0 is bridged to %1, which is not valid CF object">; def warn_objc_invalid_bridge : Warning< "%0 bridges to %1, not %2">, InGroup; def warn_objc_invalid_bridge_to_cf : Warning< "%0 cannot bridge to %1">, InGroup; // objc_bridge_related attribute diagnostics. def err_objc_bridged_related_invalid_class : Error< "could not find Objective-C class %0 to convert %1 to %2">; def err_objc_bridged_related_invalid_class_name : Error< "%0 must be name of an Objective-C class to be able to convert %1 to %2">; def err_objc_bridged_related_known_method : Error< "%0 must be explicitly converted to %1; use %select{%objcclass2|%objcinstance2}3 " "method for this conversion">; def err_objc_attr_protocol_requires_definition : Error< "attribute %0 can only be applied to @protocol definitions, not forward declarations">; def warn_ignored_objc_externally_retained : Warning< "'objc_externally_retained' can only be applied to local variables " "%select{of retainable type|with strong ownership}0">, InGroup; // Function Parameter Semantic Analysis. def err_param_with_void_type : Error<"argument may not have 'void' type">; def err_void_only_param : Error< "'void' must be the first and only parameter if specified">; def err_void_param_qualified : Error< "'void' as parameter must not have type qualifiers">; def err_ident_list_in_fn_declaration : Error< "a parameter list without types is only allowed in a function definition">; def ext_param_not_declared : Extension< "parameter %0 was not declared, defaulting to type 'int'">; def err_param_default_argument : Error< "C does not support default arguments">; def err_param_default_argument_redefinition : Error< "redefinition of default argument">; def ext_param_default_argument_redefinition : ExtWarn< err_param_default_argument_redefinition.Text>, InGroup; def err_param_default_argument_missing : Error< "missing default argument on parameter">; def err_param_default_argument_missing_name : Error< "missing default argument on parameter %0">; def err_param_default_argument_references_param : Error< "default argument references parameter %0">; def err_param_default_argument_references_local : Error< "default argument references local variable %0 of enclosing function">; def err_param_default_argument_references_this : Error< "default argument references 'this'">; def err_param_default_argument_nonfunc : Error< "default arguments can only be specified for parameters in a function " "declaration">; def err_param_default_argument_template_redecl : Error< "default arguments cannot be added to a function template that has already " "been declared">; def err_param_default_argument_member_template_redecl : Error< "default arguments cannot be added to an out-of-line definition of a member " "of a %select{class template|class template partial specialization|nested " "class in a template}0">; def err_param_default_argument_on_parameter_pack : Error< "parameter pack cannot have a default argument">; def err_uninitialized_member_for_assign : Error< "cannot define the implicit copy assignment operator for %0, because " "non-static %select{reference|const}1 member %2 cannot use copy " "assignment operator">; def err_uninitialized_member_in_ctor : Error< "%select{constructor for %1|" "implicit default constructor for %1|" "cannot use constructor inherited from %1:}0 must explicitly " "initialize the %select{reference|const}2 member %3">; def err_default_arg_makes_ctor_special : Error< "addition of default argument on redeclaration makes this constructor a " "%select{default|copy|move}0 constructor">; def err_use_of_default_argument_to_function_declared_later : Error< "use of default argument to function %0 that is declared later in class %1">; def note_default_argument_declared_here : Note< "default argument declared here">; def err_recursive_default_argument : Error<"recursive evaluation of default argument">; def note_recursive_default_argument_used_here : Note< "default argument used here">; def ext_param_promoted_not_compatible_with_prototype : ExtWarn< "%diff{promoted type $ of K&R function parameter is not compatible with the " "parameter type $|promoted type of K&R function parameter is not compatible " "with parameter type}0,1 declared in a previous prototype">, InGroup; // C++ Overloading Semantic Analysis. def err_ovl_diff_return_type : Error< "functions that differ only in their return type cannot be overloaded">; def err_ovl_static_nonstatic_member : Error< "static and non-static member functions with the same parameter types " "cannot be overloaded">; def err_ovl_no_viable_function_in_call : Error< "no matching function for call to %0">; def err_ovl_no_viable_member_function_in_call : Error< "no matching member function for call to %0">; def err_ovl_ambiguous_call : Error< "call to %0 is ambiguous">; def err_ovl_deleted_call : Error<"call to deleted function %0">; def err_ovl_ambiguous_member_call : Error< "call to member function %0 is ambiguous">; def err_ovl_deleted_member_call : Error< "call to deleted member function %0">; def note_ovl_too_many_candidates : Note< "remaining %0 candidate%s0 omitted; " "pass -fshow-overloads=all to show them">; def select_ovl_candidate_kind : TextSubstitution< "%select{function|function|function (with reversed parameter order)|" "constructor|" "constructor (the implicit default constructor)|" "constructor (the implicit copy constructor)|" "constructor (the implicit move constructor)|" "function (the implicit copy assignment operator)|" "function (the implicit move assignment operator)|" "function (the implicit 'operator==' for this 'operator<=>)'|" "inherited constructor}0%select{| template| %2}1">; def note_ovl_candidate : Note< "candidate %sub{select_ovl_candidate_kind}0,1,3" "%select{| has different class%diff{ (expected $ but has $)|}5,6" "| has different number of parameters (expected %5 but has %6)" "| has type mismatch at %ordinal5 parameter" "%diff{ (expected $ but has $)|}6,7" "| has different return type%diff{ ($ expected but has $)|}5,6" "| has different qualifiers (expected %5 but found %6)" "| has different exception specification}4">; def note_ovl_candidate_explicit : Note< "explicit %select{constructor|conversion function|deduction guide}0 " "is not a candidate%select{| (explicit specifier evaluates to true)}1">; def note_ovl_candidate_inherited_constructor : Note< "constructor from base class %0 inherited here">; def note_ovl_candidate_inherited_constructor_slice : Note< "candidate %select{constructor|template}0 ignored: " "inherited constructor cannot be used to %select{copy|move}1 object">; def note_ovl_candidate_illegal_constructor : Note< "candidate %select{constructor|template}0 ignored: " "instantiation %select{takes|would take}0 its own class type by value">; def note_ovl_candidate_illegal_constructor_adrspace_mismatch : Note< "candidate constructor ignored: cannot be used to construct an object " "in address space %0">; def note_ovl_candidate_bad_deduction : Note< "candidate template ignored: failed template argument deduction">; def note_ovl_candidate_incomplete_deduction : Note<"candidate template ignored: " "couldn't infer template argument %0">; def note_ovl_candidate_incomplete_deduction_pack : Note< "candidate template ignored: " "deduced too few arguments for expanded pack %0; no argument for %ordinal1 " "expanded parameter in deduced argument pack %2">; def note_ovl_candidate_inconsistent_deduction : Note< "candidate template ignored: deduced %select{conflicting types|" "conflicting values|conflicting templates|packs of different lengths}0 " "for parameter %1%diff{ ($ vs. $)|}2,3">; def note_ovl_candidate_inconsistent_deduction_types : Note< "candidate template ignored: deduced values %diff{" "of conflicting types for parameter %0 (%1 of type $ vs. %3 of type $)|" "%1 and %3 of conflicting types for parameter %0}2,4">; def note_ovl_candidate_explicit_arg_mismatch_named : Note< "candidate template ignored: invalid explicitly-specified argument " "for template parameter %0">; def note_ovl_candidate_unsatisfied_constraints : Note< "candidate template ignored: constraints not satisfied%0">; def note_ovl_candidate_explicit_arg_mismatch_unnamed : Note< "candidate template ignored: invalid explicitly-specified argument " "for %ordinal0 template parameter">; def note_ovl_candidate_instantiation_depth : Note< "candidate template ignored: substitution exceeded maximum template " "instantiation depth">; def note_ovl_candidate_underqualified : Note< "candidate template ignored: cannot deduce a type for %0 that would " "make %2 equal %1">; def note_ovl_candidate_substitution_failure : Note< "candidate template ignored: substitution failure%0%1">; def note_ovl_candidate_disabled_by_enable_if : Note< "candidate template ignored: disabled by %0%1">; def note_ovl_candidate_disabled_by_requirement : Note< "candidate template ignored: requirement '%0' was not satisfied%1">; def note_ovl_candidate_has_pass_object_size_params: Note< "candidate address cannot be taken because parameter %0 has " "pass_object_size attribute">; def err_diagnose_if_succeeded : Error<"%0">; def warn_diagnose_if_succeeded : Warning<"%0">, InGroup, ShowInSystemHeader; def note_ovl_candidate_disabled_by_function_cond_attr : Note< "candidate disabled: %0">; def note_ovl_candidate_disabled_by_extension : Note< "candidate unavailable as it requires OpenCL extension '%0' to be enabled">; def err_addrof_function_disabled_by_enable_if_attr : Error< "cannot take address of function %0 because it has one or more " "non-tautological enable_if conditions">; def err_addrof_function_constraints_not_satisfied : Error< "cannot take address of function %0 because its constraints are not " "satisfied">; def note_addrof_ovl_candidate_disabled_by_enable_if_attr : Note< "candidate function made ineligible by enable_if">; def note_ovl_candidate_deduced_mismatch : Note< "candidate template ignored: deduced type " "%diff{$ of %select{|element of }4%ordinal0 parameter does not match " "adjusted type $ of %select{|element of }4argument" "|of %select{|element of }4%ordinal0 parameter does not match " "adjusted type of %select{|element of }4argument}1,2%3">; def note_ovl_candidate_non_deduced_mismatch : Note< "candidate template ignored: could not match %diff{$ against $|types}0,1">; // This note is needed because the above note would sometimes print two // different types with the same name. Remove this note when the above note // can handle that case properly. def note_ovl_candidate_non_deduced_mismatch_qualified : Note< "candidate template ignored: could not match %q0 against %q1">; // Note that we don't treat templates differently for this diagnostic. def note_ovl_candidate_arity : Note<"candidate " "%sub{select_ovl_candidate_kind}0,1,2 not viable: " "requires%select{ at least| at most|}3 %4 argument%s4, but %5 " "%plural{1:was|:were}5 provided">; def note_ovl_candidate_arity_one : Note<"candidate " "%sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{requires at least|allows at most single|requires single}3 " "argument %4, but %plural{0:no|:%5}5 arguments were provided">; def note_ovl_candidate_deleted : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 has been " "%select{explicitly made unavailable|explicitly deleted|" "implicitly deleted}3">; // Giving the index of the bad argument really clutters this message, and // it's relatively unimportant because 1) it's generally obvious which // argument(s) are of the given object type and 2) the fix is usually // to complete the type, which doesn't involve changes to the call line // anyway. If people complain, we can change it. def note_ovl_candidate_bad_conv_incomplete : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot convert argument of incomplete type " "%diff{$ to $|to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5" "%select{|; dereference the argument with *|" "; take the address of the argument with &|" "; remove *|" "; remove &}7">; def note_ovl_candidate_bad_list_argument : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot convert initializer list argument to %4">; def note_ovl_candidate_bad_overload : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "no overload of %4 matching %3 for %ordinal5 argument">; def note_ovl_candidate_bad_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "no known conversion " "%diff{from $ to $|from argument type to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5" "%select{|; dereference the argument with *|" "; take the address of the argument with &|" "; remove *|" "; remove &}7">; def note_ovl_candidate_bad_arc_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot implicitly convert argument " "%diff{of type $ to $|type to parameter type}3,4 for " "%select{%ordinal6 argument|object argument}5 under ARC">; def note_ovl_candidate_bad_lvalue : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "expects an l-value for " "%select{%ordinal4 argument|object argument}3">; def note_ovl_candidate_bad_addrspace : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot %select{pass pointer to|bind reference in}5 %3 " "%select{as a pointer to|to object in}5 %4 in %ordinal6 " "argument">; def note_ovl_candidate_bad_addrspace_this : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "'this' object is in %3, but method expects object in %4">; def note_ovl_candidate_bad_gc : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{%ordinal7|'this'}6 argument (%3) has %select{no|__weak|__strong}4 " "ownership, but parameter has %select{no|__weak|__strong}5 ownership">; def note_ovl_candidate_bad_ownership : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%select{%ordinal7|'this'}6 argument (%3) has " "%select{no|__unsafe_unretained|__strong|__weak|__autoreleasing}4 ownership," " but parameter has %select{no|__unsafe_unretained|__strong|__weak|" "__autoreleasing}5 ownership">; def note_ovl_candidate_bad_cvr_this : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "'this' argument has type %3, but method is not marked " "%select{const|restrict|const or restrict|volatile|const or volatile|" "volatile or restrict|const, volatile, or restrict}4">; def note_ovl_candidate_bad_cvr : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%ordinal5 argument (%3) would lose " "%select{const|restrict|const and restrict|volatile|const and volatile|" "volatile and restrict|const, volatile, and restrict}4 qualifier" "%select{||s||s|s|s}4">; def note_ovl_candidate_bad_unaligned : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "%ordinal5 argument (%3) would lose __unaligned qualifier">; def note_ovl_candidate_bad_base_to_derived_conv : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "cannot %select{convert from|convert from|bind}3 " "%select{base class pointer|superclass|base class object of type}3 %4 to " "%select{derived class pointer|subclass|derived class reference}3 %5 for " "%ordinal6 argument">; def note_ovl_candidate_bad_target : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: " "call to " "%select{__device__|__global__|__host__|__host__ __device__|invalid}3 function from" " %select{__device__|__global__|__host__|__host__ __device__|invalid}4 function">; def note_ovl_candidate_constraints_not_satisfied : Note< "candidate %sub{select_ovl_candidate_kind}0,1,2 not viable: constraints " "not satisfied">; def note_implicit_member_target_infer_collision : Note< "implicit %sub{select_special_member_kind}0 inferred target collision: call to both " "%select{__device__|__global__|__host__|__host__ __device__}1 and " "%select{__device__|__global__|__host__|__host__ __device__}2 members">; def note_ambiguous_type_conversion: Note< "because of ambiguity in conversion %diff{of $ to $|between types}0,1">; def note_ovl_builtin_candidate : Note<"built-in candidate %0">; def err_ovl_no_viable_function_in_init : Error< "no matching constructor for initialization of %0">; def err_ovl_no_conversion_in_cast : Error< "cannot convert %1 to %2 without a conversion operator">; def err_ovl_no_viable_conversion_in_cast : Error< "no matching conversion for %select{|static_cast|reinterpret_cast|" "dynamic_cast|C-style cast|functional-style cast|}0 from %1 to %2">; def err_ovl_ambiguous_conversion_in_cast : Error< "ambiguous conversion for %select{|static_cast|reinterpret_cast|" "dynamic_cast|C-style cast|functional-style cast|}0 from %1 to %2">; def err_ovl_deleted_conversion_in_cast : Error< "%select{|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|}0 from %1 to %2 uses deleted function">; def err_ovl_ambiguous_init : Error<"call to constructor of %0 is ambiguous">; def err_ref_init_ambiguous : Error< "reference initialization of type %0 with initializer of type %1 is ambiguous">; def err_ovl_deleted_init : Error< "call to deleted constructor of %0">; def err_ovl_deleted_special_init : Error< "call to implicitly-deleted %select{default constructor|copy constructor|" "move constructor|copy assignment operator|move assignment operator|" "destructor|function}0 of %1">; def err_ovl_ambiguous_oper_unary : Error< "use of overloaded operator '%0' is ambiguous (operand type %1)">; def err_ovl_ambiguous_oper_binary : Error< "use of overloaded operator '%0' is ambiguous (with operand types %1 and %2)">; def ext_ovl_ambiguous_oper_binary_reversed : ExtWarn< "ISO C++20 considers use of overloaded operator '%0' (with operand types %1 " "and %2) to be ambiguous despite there being a unique best viable function" "%select{ with non-reversed arguments|}3">, InGroup>, SFINAEFailure; def note_ovl_ambiguous_oper_binary_reversed_self : Note< "ambiguity is between a regular call to this operator and a call with the " "argument order reversed">; def note_ovl_ambiguous_oper_binary_selected_candidate : Note< "candidate function with non-reversed arguments">; def note_ovl_ambiguous_oper_binary_reversed_candidate : Note< "ambiguous candidate function with reversed arguments">; def err_ovl_no_viable_oper : Error<"no viable overloaded '%0'">; def note_assign_lhs_incomplete : Note<"type %0 is incomplete">; def err_ovl_deleted_oper : Error< "overload resolution selected deleted operator '%0'">; def err_ovl_deleted_special_oper : Error< "object of type %0 cannot be %select{constructed|copied|moved|assigned|" "assigned|destroyed}1 because its %sub{select_special_member_kind}1 is " "implicitly deleted">; def err_ovl_deleted_comparison : Error< "object of type %0 cannot be compared because its %1 is implicitly deleted">; def err_ovl_rewrite_equalequal_not_bool : Error< "return type %0 of selected 'operator==' function for rewritten " "'%1' comparison is not 'bool'">; def ext_ovl_rewrite_equalequal_not_bool : ExtWarn< "ISO C++20 requires return type of selected 'operator==' function for " "rewritten '%1' comparison to be 'bool', not %0">, InGroup>, SFINAEFailure; def err_ovl_no_viable_subscript : Error<"no viable overloaded operator[] for type %0">; def err_ovl_no_oper : Error<"type %0 does not provide a %select{subscript|call}1 operator">; def err_ovl_unresolvable : Error< "reference to %select{overloaded|multiversioned}1 function could not be " "resolved; did you mean to call it%select{| with no arguments}0?">; def err_bound_member_function : Error< "reference to non-static member function must be called" "%select{|; did you mean to call it with no arguments?}0">; def note_possible_target_of_call : Note<"possible target for call">; def err_ovl_no_viable_object_call : Error< "no matching function for call to object of type %0">; def err_ovl_ambiguous_object_call : Error< "call to object of type %0 is ambiguous">; def err_ovl_deleted_object_call : Error< "call to deleted function call operator in type %0">; def note_ovl_surrogate_cand : Note<"conversion candidate of type %0">; def err_member_call_without_object : Error< "call to non-static member function without an object argument">; // C++ Address of Overloaded Function def err_addr_ovl_no_viable : Error< "address of overloaded function %0 does not match required type %1">; def err_addr_ovl_ambiguous : Error< "address of overloaded function %0 is ambiguous">; def err_addr_ovl_not_func_ptrref : Error< "address of overloaded function %0 cannot be converted to type %1">; def err_addr_ovl_no_qualifier : Error< "cannot form member pointer of type %0 without '&' and class name">; // C++11 Literal Operators def err_ovl_no_viable_literal_operator : Error< "no matching literal operator for call to %0" "%select{| with argument of type %2| with arguments of types %2 and %3}1" "%select{| or 'const char *'}4" "%select{|, and no matching literal operator template}5">; // C++ Template Declarations def err_template_param_shadow : Error< "declaration of %0 shadows template parameter">; def ext_template_param_shadow : ExtWarn< err_template_param_shadow.Text>, InGroup; def note_template_param_here : Note<"template parameter is declared here">; def warn_template_export_unsupported : Warning< "exported templates are unsupported">; def err_template_outside_namespace_or_class_scope : Error< "templates can only be declared in namespace or class scope">; def err_template_inside_local_class : Error< "templates cannot be declared inside of a local class">; def err_template_linkage : Error<"templates must have C++ linkage">; def err_template_typedef : Error<"a typedef cannot be a template">; def err_template_unnamed_class : Error< "cannot declare a class template with no name">; def err_template_param_list_different_arity : Error< "%select{too few|too many}0 template parameters in template " "%select{|template parameter }1redeclaration">; def note_template_param_list_different_arity : Note< "%select{too few|too many}0 template parameters in template template " "argument">; def note_template_prev_declaration : Note< "previous template %select{declaration|template parameter}0 is here">; def err_template_param_different_kind : Error< "template parameter has a different kind in template " "%select{|template parameter }0redeclaration">; def note_template_param_different_kind : Note< "template parameter has a different kind in template argument">; def err_invalid_decl_specifier_in_nontype_parm : Error< "invalid declaration specifier in template non-type parameter">; def err_template_nontype_parm_different_type : Error< "template non-type parameter has a different type %0 in template " "%select{|template parameter }1redeclaration">; def note_template_nontype_parm_different_type : Note< "template non-type parameter has a different type %0 in template argument">; def note_template_nontype_parm_prev_declaration : Note< "previous non-type template parameter with type %0 is here">; def err_template_nontype_parm_bad_type : Error< "a non-type template parameter cannot have type %0">; def warn_cxx14_compat_template_nontype_parm_auto_type : Warning< "non-type template parameters declared with %0 are incompatible with C++ " "standards before C++17">, DefaultIgnore, InGroup; def err_template_param_default_arg_redefinition : Error< "template parameter redefines default argument">; def note_template_param_prev_default_arg : Note< "previous default template argument defined here">; def err_template_param_default_arg_missing : Error< "template parameter missing a default argument">; def ext_template_parameter_default_in_function_template : ExtWarn< "default template arguments for a function template are a C++11 extension">, InGroup; def warn_cxx98_compat_template_parameter_default_in_function_template : Warning< "default template arguments for a function template are incompatible with C++98">, InGroup, DefaultIgnore; def err_template_parameter_default_template_member : Error< "cannot add a default template argument to the definition of a member of a " "class template">; def err_template_parameter_default_friend_template : Error< "default template argument not permitted on a friend template">; def err_template_template_parm_no_parms : Error< "template template parameter must have its own template parameters">; def ext_variable_template : ExtWarn<"variable templates are a C++14 extension">, InGroup; def warn_cxx11_compat_variable_template : Warning< "variable templates are incompatible with C++ standards before C++14">, InGroup, DefaultIgnore; def err_template_variable_noparams : Error< "extraneous 'template<>' in declaration of variable %0">; def err_template_member : Error<"member %0 declared as a template">; def err_template_member_noparams : Error< "extraneous 'template<>' in declaration of member %0">; def err_template_tag_noparams : Error< "extraneous 'template<>' in declaration of %0 %1">; def warn_cxx17_compat_adl_only_template_id : Warning< "use of function template name with no prior function template " "declaration in function call with explicit template arguments " "is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_adl_only_template_id : ExtWarn< "use of function template name with no prior declaration in function call " "with explicit template arguments is a C++20 extension">, InGroup; // C++ Template Argument Lists def err_template_missing_args : Error< "use of " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}0 %1 requires template " "arguments">; def err_template_arg_list_different_arity : Error< "%select{too few|too many}0 template arguments for " "%select{class template|function template|variable template|alias template|" "template template parameter|concept|template}1 %2">; def note_template_decl_here : Note<"template is declared here">; def err_template_arg_must_be_type : Error< "template argument for template type parameter must be a type">; def err_template_arg_must_be_type_suggest : Error< "template argument for template type parameter must be a type; " "did you forget 'typename'?">; def ext_ms_template_type_arg_missing_typename : ExtWarn< "template argument for template type parameter must be a type; " "omitted 'typename' is a Microsoft extension">, InGroup; def err_template_arg_must_be_expr : Error< "template argument for non-type template parameter must be an expression">; def err_template_arg_nontype_ambig : Error< "template argument for non-type template parameter is treated as function type %0">; def err_template_arg_must_be_template : Error< "template argument for template template parameter must be a class template%select{| or type alias template}0">; def ext_template_arg_local_type : ExtWarn< "template argument uses local type %0">, InGroup; def ext_template_arg_unnamed_type : ExtWarn< "template argument uses unnamed type">, InGroup; def warn_cxx98_compat_template_arg_local_type : Warning< "local type %0 as template argument is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_template_arg_unnamed_type : Warning< "unnamed type as template argument is incompatible with C++98">, InGroup, DefaultIgnore; def note_template_unnamed_type_here : Note< "unnamed type used in template argument was declared here">; def err_template_arg_overload_type : Error< "template argument is the type of an unresolved overloaded function">; def err_template_arg_not_valid_template : Error< "template argument does not refer to a class or alias template, or template " "template parameter">; def note_template_arg_refers_here_func : Note< "template argument refers to function template %0, here">; def err_template_arg_template_params_mismatch : Error< "template template argument has different template parameters than its " "corresponding template template parameter">; def err_template_arg_not_integral_or_enumeral : Error< "non-type template argument of type %0 must have an integral or enumeration" " type">; def err_template_arg_not_ice : Error< "non-type template argument of type %0 is not an integral constant " "expression">; def err_template_arg_not_address_constant : Error< "non-type template argument of type %0 is not a constant expression">; def warn_cxx98_compat_template_arg_null : Warning< "use of null pointer as non-type template argument is incompatible with " "C++98">, InGroup, DefaultIgnore; def err_template_arg_untyped_null_constant : Error< "null non-type template argument must be cast to template parameter type %0">; def err_template_arg_wrongtype_null_constant : Error< "null non-type template argument of type %0 does not match template parameter " "of type %1">; def err_non_type_template_parm_type_deduction_failure : Error< "non-type template parameter %0 with type %1 has incompatible initializer of type %2">; def err_deduced_non_type_template_arg_type_mismatch : Error< "deduced non-type template argument does not have the same type as the " "corresponding template parameter%diff{ ($ vs $)|}0,1">; def err_non_type_template_arg_subobject : Error< "non-type template argument refers to subobject '%0'">; def err_non_type_template_arg_addr_label_diff : Error< "template argument / label address difference / what did you expect?">; def err_template_arg_not_convertible : Error< "non-type template argument of type %0 cannot be converted to a value " "of type %1">; def warn_template_arg_negative : Warning< "non-type template argument with value '%0' converted to '%1' for unsigned " "template parameter of type %2">, InGroup, DefaultIgnore; def warn_template_arg_too_large : Warning< "non-type template argument value '%0' truncated to '%1' for " "template parameter of type %2">, InGroup, DefaultIgnore; def err_template_arg_no_ref_bind : Error< "non-type template parameter of reference type " "%diff{$ cannot bind to template argument of type $" "|cannot bind to template of incompatible argument type}0,1">; def err_template_arg_ref_bind_ignores_quals : Error< "reference binding of non-type template parameter " "%diff{of type $ to template argument of type $|to template argument}0,1 " "ignores qualifiers">; def err_template_arg_not_decl_ref : Error< "non-type template argument does not refer to any declaration">; def err_template_arg_not_address_of : Error< "non-type template argument for template parameter of pointer type %0 must " "have its address taken">; def err_template_arg_address_of_non_pointer : Error< "address taken in non-type template argument for template parameter of " "reference type %0">; def err_template_arg_reference_var : Error< "non-type template argument of reference type %0 is not an object">; def err_template_arg_field : Error< "non-type template argument refers to non-static data member %0">; def err_template_arg_method : Error< "non-type template argument refers to non-static member function %0">; def err_template_arg_object_no_linkage : Error< "non-type template argument refers to %select{function|object}0 %1 that " "does not have linkage">; def warn_cxx98_compat_template_arg_object_internal : Warning< "non-type template argument referring to %select{function|object}0 %1 with " "internal linkage is incompatible with C++98">, InGroup, DefaultIgnore; def ext_template_arg_object_internal : ExtWarn< "non-type template argument referring to %select{function|object}0 %1 with " "internal linkage is a C++11 extension">, InGroup; def err_template_arg_thread_local : Error< "non-type template argument refers to thread-local object">; def note_template_arg_internal_object : Note< "non-type template argument refers to %select{function|object}0 here">; def note_template_arg_refers_here : Note< "non-type template argument refers here">; def err_template_arg_not_object_or_func : Error< "non-type template argument does not refer to an object or function">; def err_template_arg_not_pointer_to_member_form : Error< "non-type template argument is not a pointer to member constant">; def err_template_arg_member_ptr_base_derived_not_supported : Error< "sorry, non-type template argument of pointer-to-member type %1 that refers " "to member %q0 of a different class is not supported yet">; def ext_template_arg_extra_parens : ExtWarn< "address non-type template argument cannot be surrounded by parentheses">; def warn_cxx98_compat_template_arg_extra_parens : Warning< "redundant parentheses surrounding address non-type template argument are " "incompatible with C++98">, InGroup, DefaultIgnore; def err_pointer_to_member_type : Error< "invalid use of pointer to member type after %select{.*|->*}0">; def err_pointer_to_member_call_drops_quals : Error< "call to pointer to member function of type %0 drops '%1' qualifier%s2">; def err_pointer_to_member_oper_value_classify: Error< "pointer-to-member function type %0 can only be called on an " "%select{rvalue|lvalue}1">; def ext_pointer_to_const_ref_member_on_rvalue : Extension< "invoking a pointer to a 'const &' member function on an rvalue is a C++20 extension">, InGroup, SFINAEFailure; def warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue : Warning< "invoking a pointer to a 'const &' member function on an rvalue is " "incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_ms_deref_template_argument: ExtWarn< "non-type template argument containing a dereference operation is a " "Microsoft extension">, InGroup; def ext_ms_delayed_template_argument: ExtWarn< "using the undeclared type %0 as a default template argument is a " "Microsoft extension">, InGroup; def err_template_arg_deduced_incomplete_pack : Error< "deduced incomplete pack %0 for template parameter %1">; // C++ template specialization def err_template_spec_unknown_kind : Error< "can only provide an explicit specialization for a class template, function " "template, variable template, or a member function, static data member, " "%select{or member class|member class, or member enumeration}0 of a " "class template">; def note_specialized_entity : Note< "explicitly specialized declaration is here">; def note_explicit_specialization_declared_here : Note< "explicit specialization declared here">; def err_template_spec_decl_function_scope : Error< "explicit specialization of %0 in function scope">; def err_template_spec_decl_friend : Error< "cannot declare an explicit specialization in a friend">; def err_template_spec_redecl_out_of_scope : Error< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 not in %select{a namespace enclosing %2|" "class %2 or an enclosing namespace}3">; def ext_ms_template_spec_redecl_out_of_scope: ExtWarn< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 not in %select{a namespace enclosing %2|" "class %2 or an enclosing namespace}3 " "is a Microsoft extension">, InGroup; def err_template_spec_redecl_global_scope : Error< "%select{class template|class template partial|variable template|" "variable template partial|function template|member " "function|static data member|member class|member enumeration}0 " "specialization of %1 must occur at global scope">; def err_spec_member_not_instantiated : Error< "specialization of member %q0 does not specialize an instantiated member">; def note_specialized_decl : Note<"attempt to specialize declaration here">; def err_specialization_after_instantiation : Error< "explicit specialization of %0 after instantiation">; def note_instantiation_required_here : Note< "%select{implicit|explicit}0 instantiation first required here">; def err_template_spec_friend : Error< "template specialization declaration cannot be a friend">; def err_template_spec_default_arg : Error< "default argument not permitted on an explicit " "%select{instantiation|specialization}0 of function %1">; def err_not_class_template_specialization : Error< "cannot specialize a %select{dependent template|template template " "parameter}0">; def ext_explicit_specialization_storage_class : ExtWarn< "explicit specialization cannot have a storage class">; def err_explicit_specialization_inconsistent_storage_class : Error< "explicit specialization has extraneous, inconsistent storage class " "'%select{none|extern|static|__private_extern__|auto|register}0'">; def err_dependent_function_template_spec_no_match : Error< "no candidate function template was found for dependent" " friend function template specialization">; def note_dependent_function_template_spec_discard_reason : Note< "candidate ignored: %select{not a function template" "|not a member of the enclosing namespace;" " did you mean to explicitly qualify the specialization?}0">; // C++ class template specializations and out-of-line definitions def err_template_spec_needs_header : Error< "template specialization requires 'template<>'">; def err_template_spec_needs_template_parameters : Error< "template specialization or definition requires a template parameter list " "corresponding to the nested type %0">; def err_template_param_list_matches_nontemplate : Error< "template parameter list matching the non-templated nested type %0 should " "be empty ('template<>')">; def err_alias_template_extra_headers : Error< "extraneous template parameter list in alias template declaration">; def err_template_spec_extra_headers : Error< "extraneous template parameter list in template specialization or " "out-of-line template definition">; def warn_template_spec_extra_headers : Warning< "extraneous template parameter list in template specialization">; def note_explicit_template_spec_does_not_need_header : Note< "'template<>' header not required for explicitly-specialized class %0 " "declared here">; def err_template_qualified_declarator_no_match : Error< "nested name specifier '%0' for declaration does not refer into a class, " "class template or class template partial specialization">; def err_specialize_member_of_template : Error< "cannot specialize %select{|(with 'template<>') }0a member of an " "unspecialized template">; // C++ Class Template Partial Specialization def err_default_arg_in_partial_spec : Error< "default template argument in a class template partial specialization">; def err_dependent_non_type_arg_in_partial_spec : Error< "type of specialized non-type template argument depends on a template " "parameter of the partial specialization">; def note_dependent_non_type_default_arg_in_partial_spec : Note< "template parameter is used in default argument declared here">; def err_dependent_typed_non_type_arg_in_partial_spec : Error< "non-type template argument specializes a template parameter with " "dependent type %0">; def err_partial_spec_args_match_primary_template : Error< "%select{class|variable}0 template partial specialization does not " "specialize any template argument; to %select{declare|define}1 the " "primary template, remove the template argument list">; def ext_partial_spec_not_more_specialized_than_primary : ExtWarn< "%select{class|variable}0 template partial specialization is not " "more specialized than the primary template">, DefaultError, InGroup>; def note_partial_spec_not_more_specialized_than_primary : Note<"%0">; def ext_partial_specs_not_deducible : ExtWarn< "%select{class|variable}0 template partial specialization contains " "%select{a template parameter|template parameters}1 that cannot be " "deduced; this partial specialization will never be used">, DefaultError, InGroup>; def note_non_deducible_parameter : Note< "non-deducible template parameter %0">; def err_partial_spec_ordering_ambiguous : Error< "ambiguous partial specializations of %0">; def note_partial_spec_match : Note<"partial specialization matches %0">; def err_partial_spec_redeclared : Error< "class template partial specialization %0 cannot be redeclared">; def note_partial_specialization_declared_here : Note< "explicit specialization declared here">; def note_prev_partial_spec_here : Note< "previous declaration of class template partial specialization %0 is here">; def err_partial_spec_fully_specialized : Error< "partial specialization of %0 does not use any of its template parameters">; // C++ Variable Template Partial Specialization def err_var_partial_spec_redeclared : Error< "variable template partial specialization %0 cannot be redefined">; def note_var_prev_partial_spec_here : Note< "previous declaration of variable template partial specialization is here">; def err_var_spec_no_template : Error< "no variable template matches%select{| partial}0 specialization">; def err_var_spec_no_template_but_method : Error< "no variable template matches specialization; " "did you mean to use %0 as function template instead?">; // C++ Function template specializations def err_function_template_spec_no_match : Error< "no function template matches function template specialization %0">; def err_function_template_spec_ambiguous : Error< "function template specialization %0 ambiguously refers to more than one " "function template; explicitly specify%select{| additional}1 template " "arguments to identify a particular function template">; def note_function_template_spec_matched : Note< "function template %q0 matches specialization %1">; def err_function_template_partial_spec : Error< "function template partial specialization is not allowed">; // C++ Template Instantiation def err_template_recursion_depth_exceeded : Error< "recursive template instantiation exceeded maximum depth of %0">, DefaultFatal, NoSFINAE; def note_template_recursion_depth : Note< "use -ftemplate-depth=N to increase recursive template instantiation depth">; def err_template_instantiate_within_definition : Error< "%select{implicit|explicit}0 instantiation of template %1 within its" " own definition">; def err_template_instantiate_undefined : Error< "%select{implicit|explicit}0 instantiation of undefined template %1">; def err_implicit_instantiate_member_undefined : Error< "implicit instantiation of undefined member %0">; def note_template_class_instantiation_was_here : Note< "class template %0 was instantiated here">; def note_template_class_explicit_specialization_was_here : Note< "class template %0 was explicitly specialized here">; def note_template_class_instantiation_here : Note< "in instantiation of template class %q0 requested here">; def note_template_member_class_here : Note< "in instantiation of member class %q0 requested here">; def note_template_member_function_here : Note< "in instantiation of member function %q0 requested here">; def note_function_template_spec_here : Note< "in instantiation of function template specialization %q0 requested here">; def note_template_static_data_member_def_here : Note< "in instantiation of static data member %q0 requested here">; def note_template_variable_def_here : Note< "in instantiation of variable template specialization %q0 requested here">; def note_template_enum_def_here : Note< "in instantiation of enumeration %q0 requested here">; def note_template_nsdmi_here : Note< "in instantiation of default member initializer %q0 requested here">; def note_template_type_alias_instantiation_here : Note< "in instantiation of template type alias %0 requested here">; def note_template_exception_spec_instantiation_here : Note< "in instantiation of exception specification for %0 requested here">; def note_template_requirement_instantiation_here : Note< "in instantiation of requirement here">; def warn_var_template_missing : Warning<"instantiation of variable %q0 " "required here, but no definition is available">, InGroup; def warn_func_template_missing : Warning<"instantiation of function %q0 " "required here, but no definition is available">, InGroup, DefaultIgnore; def note_forward_template_decl : Note< "forward declaration of template entity is here">; def note_inst_declaration_hint : Note<"add an explicit instantiation " "declaration to suppress this warning if %q0 is explicitly instantiated in " "another translation unit">; def note_evaluating_exception_spec_here : Note< "in evaluation of exception specification for %q0 needed here">; def note_default_arg_instantiation_here : Note< "in instantiation of default argument for '%0' required here">; def note_default_function_arg_instantiation_here : Note< "in instantiation of default function argument expression " "for '%0' required here">; def note_explicit_template_arg_substitution_here : Note< "while substituting explicitly-specified template arguments into function " "template %0 %1">; def note_function_template_deduction_instantiation_here : Note< "while substituting deduced template arguments into function template %0 " "%1">; def note_deduced_template_arg_substitution_here : Note< "during template argument deduction for %select{class|variable}0 template " "%select{partial specialization |}1%2 %3">; def note_prior_template_arg_substitution : Note< "while substituting prior template arguments into %select{non-type|template}0" " template parameter%1 %2">; def note_template_default_arg_checking : Note< "while checking a default template argument used here">; def note_concept_specialization_here : Note< "while checking the satisfaction of concept '%0' requested here">; def note_nested_requirement_here : Note< "while checking the satisfaction of nested requirement requested here">; def note_checking_constraints_for_template_id_here : Note< "while checking constraint satisfaction for template '%0' required here">; def note_checking_constraints_for_var_spec_id_here : Note< "while checking constraint satisfaction for variable template " "partial specialization '%0' required here">; def note_checking_constraints_for_class_spec_id_here : Note< "while checking constraint satisfaction for class template partial " "specialization '%0' required here">; def note_checking_constraints_for_function_here : Note< "while checking constraint satisfaction for function '%0' required here">; def note_constraint_substitution_here : Note< "while substituting template arguments into constraint expression here">; def note_constraint_normalization_here : Note< "while calculating associated constraint of template '%0' here">; def note_parameter_mapping_substitution_here : Note< "while substituting into concept arguments here; substitution failures not " "allowed in concept arguments">; def note_instantiation_contexts_suppressed : Note< "(skipping %0 context%s0 in backtrace; use -ftemplate-backtrace-limit=0 to " "see all)">; def err_field_instantiates_to_function : Error< "data member instantiated with function type %0">; def err_variable_instantiates_to_function : Error< "%select{variable|static data member}0 instantiated with function type %1">; def err_nested_name_spec_non_tag : Error< "type %0 cannot be used prior to '::' because it has no members">; def err_using_pack_expansion_empty : Error< "%select{|member}0 using declaration %1 instantiates to an empty pack">; // C++ Explicit Instantiation def err_explicit_instantiation_duplicate : Error< "duplicate explicit instantiation of %0">; def ext_explicit_instantiation_duplicate : ExtWarn< "duplicate explicit instantiation of %0 ignored as a Microsoft extension">, InGroup; def note_previous_explicit_instantiation : Note< "previous explicit instantiation is here">; def warn_explicit_instantiation_after_specialization : Warning< "explicit instantiation of %0 that occurs after an explicit " "specialization has no effect">, InGroup>; def note_previous_template_specialization : Note< "previous template specialization is here">; def err_explicit_instantiation_nontemplate_type : Error< "explicit instantiation of non-templated type %0">; def note_nontemplate_decl_here : Note< "non-templated declaration is here">; def err_explicit_instantiation_in_class : Error< "explicit instantiation of %0 in class scope">; def err_explicit_instantiation_out_of_scope : Error< "explicit instantiation of %0 not in a namespace enclosing %1">; def err_explicit_instantiation_must_be_global : Error< "explicit instantiation of %0 must occur at global scope">; def warn_explicit_instantiation_out_of_scope_0x : Warning< "explicit instantiation of %0 not in a namespace enclosing %1">, InGroup, DefaultIgnore; def warn_explicit_instantiation_must_be_global_0x : Warning< "explicit instantiation of %0 must occur at global scope">, InGroup, DefaultIgnore; def err_explicit_instantiation_requires_name : Error< "explicit instantiation declaration requires a name">; def err_explicit_instantiation_of_typedef : Error< "explicit instantiation of typedef %0">; def err_explicit_instantiation_storage_class : Error< "explicit instantiation cannot have a storage class">; def err_explicit_instantiation_internal_linkage : Error< "explicit instantiation declaration of %0 with internal linkage">; def err_explicit_instantiation_not_known : Error< "explicit instantiation of %0 does not refer to a function template, " "variable template, member function, member class, or static data member">; def note_explicit_instantiation_here : Note< "explicit instantiation refers here">; def err_explicit_instantiation_data_member_not_instantiated : Error< "explicit instantiation refers to static data member %q0 that is not an " "instantiation">; def err_explicit_instantiation_member_function_not_instantiated : Error< "explicit instantiation refers to member function %q0 that is not an " "instantiation">; def err_explicit_instantiation_ambiguous : Error< "partial ordering for explicit instantiation of %0 is ambiguous">; def note_explicit_instantiation_candidate : Note< "explicit instantiation candidate function %q0 template here %1">; def err_explicit_instantiation_inline : Error< "explicit instantiation cannot be 'inline'">; def warn_explicit_instantiation_inline_0x : Warning< "explicit instantiation cannot be 'inline'">, InGroup, DefaultIgnore; def err_explicit_instantiation_constexpr : Error< "explicit instantiation cannot be 'constexpr'">; def ext_explicit_instantiation_without_qualified_id : Extension< "qualifier in explicit instantiation of %q0 requires a template-id " "(a typedef is not permitted)">; def err_explicit_instantiation_without_template_id : Error< "explicit instantiation of %q0 must specify a template argument list">; def err_explicit_instantiation_unqualified_wrong_namespace : Error< "explicit instantiation of %q0 must occur in namespace %1">; def warn_explicit_instantiation_unqualified_wrong_namespace_0x : Warning< "explicit instantiation of %q0 must occur in namespace %1">, InGroup, DefaultIgnore; def err_explicit_instantiation_undefined_member : Error< "explicit instantiation of undefined %select{member class|member function|" "static data member}0 %1 of class template %2">; def err_explicit_instantiation_undefined_func_template : Error< "explicit instantiation of undefined function template %0">; def err_explicit_instantiation_undefined_var_template : Error< "explicit instantiation of undefined variable template %q0">; def err_explicit_instantiation_declaration_after_definition : Error< "explicit instantiation declaration (with 'extern') follows explicit " "instantiation definition (without 'extern')">; def note_explicit_instantiation_definition_here : Note< "explicit instantiation definition is here">; def err_invalid_var_template_spec_type : Error<"type %2 " "of %select{explicit instantiation|explicit specialization|" "partial specialization|redeclaration}0 of %1 does not match" " expected type %3">; def err_mismatched_exception_spec_explicit_instantiation : Error< "exception specification in explicit instantiation does not match " "instantiated one">; def ext_mismatched_exception_spec_explicit_instantiation : ExtWarn< err_mismatched_exception_spec_explicit_instantiation.Text>, InGroup; // C++ typename-specifiers def err_typename_nested_not_found : Error<"no type named %0 in %1">; def err_typename_nested_not_found_enable_if : Error< "no type named 'type' in %0; 'enable_if' cannot be used to disable " "this declaration">; def err_typename_nested_not_found_requirement : Error< "failed requirement '%0'; 'enable_if' cannot be used to disable this " "declaration">; def err_typename_nested_not_type : Error< "typename specifier refers to non-type member %0 in %1">; def err_typename_not_type : Error< "typename specifier refers to non-type %0">; def note_typename_member_refers_here : Note< "referenced member %0 is declared here">; def note_typename_refers_here : Note< "referenced %0 is declared here">; def err_typename_missing : Error< "missing 'typename' prior to dependent type name '%0%1'">; def err_typename_missing_template : Error< "missing 'typename' prior to dependent type template name '%0%1'">; def ext_typename_missing : ExtWarn< "missing 'typename' prior to dependent type name '%0%1'">, InGroup>; def ext_typename_outside_of_template : ExtWarn< "'typename' occurs outside of a template">, InGroup; def warn_cxx98_compat_typename_outside_of_template : Warning< "use of 'typename' outside of a template is incompatible with C++98">, InGroup, DefaultIgnore; def err_typename_refers_to_using_value_decl : Error< "typename specifier refers to a dependent using declaration for a value " "%0 in %1">; def note_using_value_decl_missing_typename : Note< "add 'typename' to treat this using declaration as a type">; def err_template_kw_refers_to_non_template : Error< "%0%select{| following the 'template' keyword}1 " "does not refer to a template">; def note_template_kw_refers_to_non_template : Note< "declared as a non-template here">; def err_template_kw_refers_to_dependent_non_template : Error< "%0%select{| following the 'template' keyword}1 " "cannot refer to a dependent template">; def err_template_kw_refers_to_class_template : Error< "'%0%1' instantiated to a class template, not a function template">; def note_referenced_class_template : Note< "class template declared here">; def err_template_kw_missing : Error< "missing 'template' keyword prior to dependent template name '%0%1'">; def ext_template_outside_of_template : ExtWarn< "'template' keyword outside of a template">, InGroup; def warn_cxx98_compat_template_outside_of_template : Warning< "use of 'template' keyword outside of a template is incompatible with C++98">, InGroup, DefaultIgnore; def err_non_type_template_in_nested_name_specifier : Error< "qualified name refers into a specialization of %select{function|variable}0 " "template %1">; def err_template_id_not_a_type : Error< "template name refers to non-type template %0">; def note_template_declared_here : Note< "%select{function template|class template|variable template" "|type alias template|template template parameter}0 " "%1 declared here">; def err_template_expansion_into_fixed_list : Error< "pack expansion used as argument for non-pack parameter of %select{alias " "template|concept}0">; def note_parameter_type : Note< "parameter of type %0 is declared here">; // C++11 Variadic Templates def err_template_param_pack_default_arg : Error< "template parameter pack cannot have a default argument">; def err_template_param_pack_must_be_last_template_parameter : Error< "template parameter pack must be the last template parameter">; def err_template_parameter_pack_non_pack : Error< "%select{template type|non-type template|template template}0 parameter" "%select{| pack}1 conflicts with previous %select{template type|" "non-type template|template template}0 parameter%select{ pack|}1">; def note_template_parameter_pack_non_pack : Note< "%select{template type|non-type template|template template}0 parameter" "%select{| pack}1 does not match %select{template type|non-type template" "|template template}0 parameter%select{ pack|}1 in template argument">; def note_template_parameter_pack_here : Note< "previous %select{template type|non-type template|template template}0 " "parameter%select{| pack}1 declared here">; def err_unexpanded_parameter_pack : Error< "%select{expression|base type|declaration type|data member type|bit-field " "size|static assertion|fixed underlying type|enumerator value|" "using declaration|friend declaration|qualifier|initializer|default argument|" "non-type template parameter type|exception type|partial specialization|" "__if_exists name|__if_not_exists name|lambda|block|type constraint}0 " "contains%plural{0: an|:}1 unexpanded parameter pack" "%plural{0:|1: %2|2:s %2 and %3|:s %2, %3, ...}1">; def err_pack_expansion_without_parameter_packs : Error< "pack expansion does not contain any unexpanded parameter packs">; def err_pack_expansion_length_conflict : Error< "pack expansion contains parameter packs %0 and %1 that have different " "lengths (%2 vs. %3)">; def err_pack_expansion_length_conflict_multilevel : Error< "pack expansion contains parameter pack %0 that has a different " "length (%1 vs. %2) from outer parameter packs">; def err_pack_expansion_length_conflict_partial : Error< "pack expansion contains parameter pack %0 that has a different " "length (at least %1 vs. %2) from outer parameter packs">; def err_pack_expansion_member_init : Error< "pack expansion for initialization of member %0">; def err_function_parameter_pack_without_parameter_packs : Error< "type %0 of function parameter pack does not contain any unexpanded " "parameter packs">; def err_ellipsis_in_declarator_not_parameter : Error< "only function and template parameters can be parameter packs">; def err_sizeof_pack_no_pack_name : Error< "%0 does not refer to the name of a parameter pack">; def err_fold_expression_packs_both_sides : Error< "binary fold expression has unexpanded parameter packs in both operands">; def err_fold_expression_empty : Error< "unary fold expression has empty expansion for operator '%0' " "with no fallback value">; def err_fold_expression_bad_operand : Error< "expression not permitted as operand of fold expression">; def err_unexpected_typedef : Error< "unexpected type name %0: expected expression">; def err_unexpected_namespace : Error< "unexpected namespace name %0: expected expression">; def err_undeclared_var_use : Error<"use of undeclared identifier %0">; def ext_undeclared_unqual_id_with_dependent_base : ExtWarn< "use of undeclared identifier %0; " "unqualified lookup into dependent bases of class template %1 is a Microsoft extension">, InGroup; def ext_found_via_dependent_bases_lookup : ExtWarn<"use of identifier %0 " "found via unqualified lookup into dependent bases of class templates is a " "Microsoft extension">, InGroup; def note_dependent_var_use : Note<"must qualify identifier to find this " "declaration in dependent base class">; def err_not_found_by_two_phase_lookup : Error<"call to function %0 that is neither " "visible in the template definition nor found by argument-dependent lookup">; def note_not_found_by_two_phase_lookup : Note<"%0 should be declared prior to the " "call site%select{| or in %2| or in an associated namespace of one of its arguments}1">; def err_undeclared_use : Error<"use of undeclared %0">; def warn_deprecated : Warning<"%0 is deprecated">, InGroup; def note_from_diagnose_if : Note<"from 'diagnose_if' attribute on %0:">; def warn_property_method_deprecated : Warning<"property access is using %0 method which is deprecated">, InGroup; def warn_deprecated_message : Warning<"%0 is deprecated: %1">, InGroup; def warn_deprecated_anonymous_namespace : Warning< "'deprecated' attribute on anonymous namespace ignored">, InGroup; def warn_deprecated_fwdclass_message : Warning< "%0 may be deprecated because the receiver type is unknown">, InGroup; def warn_deprecated_def : Warning< "implementing deprecated %select{method|class|category}0">, InGroup, DefaultIgnore; def warn_unavailable_def : Warning< "implementing unavailable method">, InGroup, DefaultIgnore; def err_unavailable : Error<"%0 is unavailable">; def err_property_method_unavailable : Error<"property access is using %0 method which is unavailable">; def err_unavailable_message : Error<"%0 is unavailable: %1">; def warn_unavailable_fwdclass_message : Warning< "%0 may be unavailable because the receiver type is unknown">, InGroup; def note_availability_specified_here : Note< "%0 has been explicitly marked " "%select{unavailable|deleted|deprecated}1 here">; def note_partial_availability_specified_here : Note< "%0 has been marked as being introduced in %1 %2 here, " "but the deployment target is %1 %3">; def note_implicitly_deleted : Note< "explicitly defaulted function was implicitly deleted here">; def warn_not_enough_argument : Warning< "not enough variable arguments in %0 declaration to fit a sentinel">, InGroup; def warn_missing_sentinel : Warning < "missing sentinel in %select{function call|method dispatch|block call}0">, InGroup; def note_sentinel_here : Note< "%select{function|method|block}0 has been explicitly marked sentinel here">; def warn_missing_prototype : Warning< "no previous prototype for function %0">, InGroup>, DefaultIgnore; def note_declaration_not_a_prototype : Note< "this declaration is not a prototype; add %select{'void'|parameter declarations}0 " "to make it %select{a prototype for a zero-parameter function|one}0">; def warn_strict_prototypes : Warning< "this %select{function declaration is not|block declaration is not|" "old-style function definition is not preceded by}0 a prototype">, InGroup>, DefaultIgnore; def warn_missing_variable_declarations : Warning< "no previous extern declaration for non-static variable %0">, InGroup>, DefaultIgnore; def note_static_for_internal_linkage : Note< "declare 'static' if the %select{variable|function}0 is not intended to be " "used outside of this translation unit">; def err_static_data_member_reinitialization : Error<"static data member %0 already has an initializer">; def err_redefinition : Error<"redefinition of %0">; def err_alias_after_tentative : Error<"alias definition of %0 after tentative definition">; def err_alias_is_definition : Error<"definition %0 cannot also be an %select{alias|ifunc}1">; def err_definition_of_implicitly_declared_member : Error< "definition of implicitly declared %select{default constructor|copy " "constructor|move constructor|copy assignment operator|move assignment " "operator|destructor|function}1">; def err_definition_of_explicitly_defaulted_member : Error< "definition of explicitly defaulted %select{default constructor|copy " "constructor|move constructor|copy assignment operator|move assignment " "operator|destructor|function}0">; def err_redefinition_extern_inline : Error< "redefinition of a 'extern inline' function %0 is not supported in " "%select{C99 mode|C++}1">; def warn_attr_abi_tag_namespace : Warning< "'abi_tag' attribute on %select{non-inline|anonymous}0 namespace ignored">, InGroup; def err_abi_tag_on_redeclaration : Error< "cannot add 'abi_tag' attribute in a redeclaration">; def err_new_abi_tag_on_redeclaration : Error< "'abi_tag' %0 missing in original declaration">; def note_use_ifdef_guards : Note< "unguarded header; consider using #ifdef guards or #pragma once">; def note_deleted_dtor_no_operator_delete : Note< "virtual destructor requires an unambiguous, accessible 'operator delete'">; def note_deleted_special_member_class_subobject : Note< "%select{default constructor of|copy constructor of|move constructor of|" "copy assignment operator of|move assignment operator of|destructor of|" "constructor inherited by}0 " "%1 is implicitly deleted because " "%select{base class %3|%select{||||variant }4field %3}2 " "%select{has " "%select{no|a deleted|multiple|an inaccessible|a non-trivial}4 " "%select{%select{default constructor|copy constructor|move constructor|copy " "assignment operator|move assignment operator|destructor|" "%select{default|corresponding|default|default|default}4 constructor}0|" "destructor}5" "%select{||s||}4" "|is an ObjC pointer}6">; def note_deleted_default_ctor_uninit_field : Note< "%select{default constructor of|constructor inherited by}0 " "%1 is implicitly deleted because field %2 of " "%select{reference|const-qualified}4 type %3 would not be initialized">; def note_deleted_default_ctor_all_const : Note< "%select{default constructor of|constructor inherited by}0 " "%1 is implicitly deleted because all " "%select{data members|data members of an anonymous union member}2" " are const-qualified">; def note_deleted_copy_ctor_rvalue_reference : Note< "copy constructor of %0 is implicitly deleted because field %1 is of " "rvalue reference type %2">; def note_deleted_copy_user_declared_move : Note< "copy %select{constructor|assignment operator}0 is implicitly deleted because" " %1 has a user-declared move %select{constructor|assignment operator}2">; def note_deleted_assign_field : Note< "%select{copy|move}0 assignment operator of %1 is implicitly deleted " "because field %2 is of %select{reference|const-qualified}4 type %3">; // These should be errors. def warn_undefined_internal : Warning< "%select{function|variable}0 %q1 has internal linkage but is not defined">, InGroup>; def err_undefined_internal_type : Error< "%select{function|variable}0 %q1 is used but not defined in this " "translation unit, and cannot be defined in any other translation unit " "because its type does not have linkage">; def ext_undefined_internal_type : Extension< "ISO C++ requires a definition in this translation unit for " "%select{function|variable}0 %q1 because its type does not have linkage">, InGroup>; def warn_undefined_inline : Warning<"inline function %q0 is not defined">, InGroup>; def err_undefined_inline_var : Error<"inline variable %q0 is not defined">; def note_used_here : Note<"used here">; def err_internal_linkage_redeclaration : Error< "'internal_linkage' attribute does not appear on the first declaration of %0">; def warn_internal_linkage_local_storage : Warning< "'internal_linkage' attribute on a non-static local variable is ignored">, InGroup; def ext_internal_in_extern_inline : ExtWarn< "static %select{function|variable}0 %1 is used in an inline function with " "external linkage">, InGroup; def ext_internal_in_extern_inline_quiet : Extension< "static %select{function|variable}0 %1 is used in an inline function with " "external linkage">, InGroup; def warn_static_local_in_extern_inline : Warning< "non-constant static local variable in inline function may be different " "in different files">, InGroup; def note_convert_inline_to_static : Note< "use 'static' to give inline function %0 internal linkage">; def ext_redefinition_of_typedef : ExtWarn< "redefinition of typedef %0 is a C11 feature">, InGroup >; def err_redefinition_variably_modified_typedef : Error< "redefinition of %select{typedef|type alias}0 for variably-modified type %1">; def err_inline_decl_follows_def : Error< "inline declaration of %0 follows non-inline definition">; def err_inline_declaration_block_scope : Error< "inline declaration of %0 not allowed in block scope">; def err_static_non_static : Error< "static declaration of %0 follows non-static declaration">; def err_different_language_linkage : Error< "declaration of %0 has a different language linkage">; def ext_retained_language_linkage : Extension< "friend function %0 retaining previous language linkage is an extension">, InGroup>; def err_extern_c_global_conflict : Error< "declaration of %1 %select{with C language linkage|in global scope}0 " "conflicts with declaration %select{in global scope|with C language linkage}0">; def note_extern_c_global_conflict : Note< "declared %select{in global scope|with C language linkage}0 here">; def note_extern_c_begins_here : Note< "extern \"C\" language linkage specification begins here">; def warn_weak_import : Warning < "an already-declared variable is made a weak_import declaration %0">; def ext_static_non_static : Extension< "redeclaring non-static %0 as static is a Microsoft extension">, InGroup; def err_non_static_static : Error< "non-static declaration of %0 follows static declaration">; def err_extern_non_extern : Error< "extern declaration of %0 follows non-extern declaration">; def err_non_extern_extern : Error< "non-extern declaration of %0 follows extern declaration">; def err_non_thread_thread : Error< "non-thread-local declaration of %0 follows thread-local declaration">; def err_thread_non_thread : Error< "thread-local declaration of %0 follows non-thread-local declaration">; def err_thread_thread_different_kind : Error< "thread-local declaration of %0 with %select{static|dynamic}1 initialization " "follows declaration with %select{dynamic|static}1 initialization">; def err_mismatched_owning_module : Error< "declaration of %0 in %select{the global module|module %2}1 follows " "declaration in %select{the global module|module %4}3">; def err_redefinition_different_type : Error< "redefinition of %0 with a different type%diff{: $ vs $|}1,2">; def err_redefinition_different_kind : Error< "redefinition of %0 as different kind of symbol">; def err_redefinition_different_namespace_alias : Error< "redefinition of %0 as an alias for a different namespace">; def note_previous_namespace_alias : Note< "previously defined as an alias for %0">; def warn_forward_class_redefinition : Warning< "redefinition of forward class %0 of a typedef name of an object type is ignored">, InGroup>; def err_redefinition_different_typedef : Error< "%select{typedef|type alias|type alias template}0 " "redefinition with different types%diff{ ($ vs $)|}1,2">; def err_tag_reference_non_tag : Error< "%select{non-struct type|non-class type|non-union type|non-enum " "type|typedef|type alias|template|type alias template|template " "template argument}1 %0 cannot be referenced with a " "%select{struct|interface|union|class|enum}2 specifier">; def err_tag_reference_conflict : Error< "implicit declaration introduced by elaborated type conflicts with a " "%select{non-struct type|non-class type|non-union type|non-enum " "type|typedef|type alias|template|type alias template|template " "template argument}0 of the same name">; def err_dependent_tag_decl : Error< "%select{declaration|definition}0 of " "%select{struct|interface|union|class|enum}1 in a dependent scope">; def err_tag_definition_of_typedef : Error< "definition of type %0 conflicts with %select{typedef|type alias}1 of the same name">; def err_conflicting_types : Error<"conflicting types for %0">; def err_different_pass_object_size_params : Error< "conflicting pass_object_size attributes on parameters">; def err_late_asm_label_name : Error< "cannot apply asm label to %select{variable|function}0 after its first use">; def err_different_asm_label : Error<"conflicting asm label">; def err_nested_redefinition : Error<"nested redefinition of %0">; def err_use_with_wrong_tag : Error< "use of %0 with tag type that does not match previous declaration">; def warn_struct_class_tag_mismatch : Warning< "%select{struct|interface|class}0%select{| template}1 %2 was previously " "declared as a %select{struct|interface|class}3%select{| template}1; " "this is valid, but may result in linker errors under the Microsoft C++ ABI">, InGroup, DefaultIgnore; def warn_struct_class_previous_tag_mismatch : Warning< "%2 defined as %select{a struct|an interface|a class}0%select{| template}1 " "here but previously declared as " "%select{a struct|an interface|a class}3%select{| template}1; " "this is valid, but may result in linker errors under the Microsoft C++ ABI">, InGroup, DefaultIgnore; def note_struct_class_suggestion : Note< "did you mean %select{struct|interface|class}0 here?">; def ext_forward_ref_enum : Extension< "ISO C forbids forward references to 'enum' types">; def err_forward_ref_enum : Error< "ISO C++ forbids forward references to 'enum' types">; def ext_ms_forward_ref_enum : ExtWarn< "forward references to 'enum' types are a Microsoft extension">, InGroup; def ext_forward_ref_enum_def : Extension< "redeclaration of already-defined enum %0 is a GNU extension">, InGroup; def err_redefinition_of_enumerator : Error<"redefinition of enumerator %0">; def err_duplicate_member : Error<"duplicate member %0">; def err_misplaced_ivar : Error< "instance variables may not be placed in %select{categories|class extension}0">; def warn_ivars_in_interface : Warning< "declaration of instance variables in the interface is deprecated">, InGroup>, DefaultIgnore; def ext_enum_value_not_int : Extension< "ISO C restricts enumerator values to range of 'int' (%0 is too " "%select{small|large}1)">; def ext_enum_too_large : ExtWarn< "enumeration values exceed range of largest integer">, InGroup; def ext_enumerator_increment_too_large : ExtWarn< "incremented enumerator value %0 is not representable in the " "largest integer type">, InGroup; def warn_flag_enum_constant_out_of_range : Warning< "enumeration value %0 is out of range of flags in enumeration type %1">, InGroup; def warn_illegal_constant_array_size : Extension< "size of static array must be an integer constant expression">; def err_vm_decl_in_file_scope : Error< "variably modified type declaration not allowed at file scope">; def err_vm_decl_has_extern_linkage : Error< "variably modified type declaration cannot have 'extern' linkage">; def err_typecheck_field_variable_size : Error< "fields must have a constant size: 'variable length array in structure' " "extension will never be supported">; def err_vm_func_decl : Error< "function declaration cannot have variably modified type">; def err_array_too_large : Error< "array is too large (%0 elements)">; def err_typecheck_negative_array_size : Error<"array size is negative">; def warn_typecheck_function_qualifiers_ignored : Warning< "'%0' qualifier on function type %1 has no effect">, InGroup; def warn_typecheck_function_qualifiers_unspecified : Warning< "'%0' qualifier on function type %1 has unspecified behavior">; def warn_typecheck_reference_qualifiers : Warning< "'%0' qualifier on reference type %1 has no effect">, InGroup; def err_typecheck_invalid_restrict_not_pointer : Error< "restrict requires a pointer or reference (%0 is invalid)">; def err_typecheck_invalid_restrict_not_pointer_noarg : Error< "restrict requires a pointer or reference">; def err_typecheck_invalid_restrict_invalid_pointee : Error< "pointer to function type %0 may not be 'restrict' qualified">; def ext_typecheck_zero_array_size : Extension< "zero size arrays are an extension">, InGroup; def err_typecheck_zero_array_size : Error< "zero-length arrays are not permitted in C++">; def warn_typecheck_zero_static_array_size : Warning< "'static' has no effect on zero-length arrays">, InGroup; def err_array_size_non_int : Error<"size of array has non-integer type %0">; def err_init_element_not_constant : Error< "initializer element is not a compile-time constant">; def ext_aggregate_init_not_constant : Extension< "initializer for aggregate is not a compile-time constant">, InGroup; def err_local_cant_init : Error< "'__local' variable cannot have an initializer">; def err_loader_uninitialized_cant_init : Error<"variable with 'loader_uninitialized' attribute cannot have an " "initializer">; def err_loader_uninitialized_trivial_ctor : Error<"variable with 'loader_uninitialized' attribute must have a " "trivial default constructor">; def err_loader_uninitialized_redeclaration : Error<"redeclaration cannot add 'loader_uninitialized' attribute">; def err_loader_uninitialized_extern_decl : Error<"variable %0 cannot be declared both 'extern' and with the " "'loader_uninitialized' attribute">; def err_block_extern_cant_init : Error< "'extern' variable cannot have an initializer">; def warn_extern_init : Warning<"'extern' variable has an initializer">, InGroup>; def err_variable_object_no_init : Error< "variable-sized object may not be initialized">; def err_excess_initializers : Error< "excess elements in %select{array|vector|scalar|union|struct}0 initializer">; def ext_excess_initializers : ExtWarn< "excess elements in %select{array|vector|scalar|union|struct}0 initializer">, InGroup; def err_excess_initializers_for_sizeless_type : Error< "excess elements in initializer for indivisible sizeless type %0">; def ext_excess_initializers_for_sizeless_type : ExtWarn< "excess elements in initializer for indivisible sizeless type %0">, InGroup; def err_excess_initializers_in_char_array_initializer : Error< "excess elements in char array initializer">; def ext_excess_initializers_in_char_array_initializer : ExtWarn< "excess elements in char array initializer">, InGroup; def err_initializer_string_for_char_array_too_long : Error< "initializer-string for char array is too long">; def ext_initializer_string_for_char_array_too_long : ExtWarn< "initializer-string for char array is too long">, InGroup; def warn_missing_field_initializers : Warning< "missing field %0 initializer">, InGroup, DefaultIgnore; def warn_braces_around_init : Warning< "braces around %select{scalar |}0initializer">, InGroup>; def ext_many_braces_around_init : ExtWarn< "too many braces around %select{scalar |}0initializer">, InGroup>, SFINAEFailure; def ext_complex_component_init : Extension< "complex initialization specifying real and imaginary components " "is an extension">, InGroup>; def err_empty_scalar_initializer : Error<"scalar initializer cannot be empty">; def err_empty_sizeless_initializer : Error< "initializer for sizeless type %0 cannot be empty">; def warn_cxx98_compat_empty_scalar_initializer : Warning< "scalar initialized from empty initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_empty_sizeless_initializer : Warning< "initializing %0 from an empty initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_reference_list_init : Warning< "reference initialized from initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_initializer_list_init : Warning< "initialization of initializer_list object is incompatible with C++98">, InGroup, DefaultIgnore; def warn_cxx98_compat_ctor_list_init : Warning< "constructor call from initializer list is incompatible with C++98">, InGroup, DefaultIgnore; def err_illegal_initializer : Error< "illegal initializer (only variables can be initialized)">; def err_illegal_initializer_type : Error<"illegal initializer type %0">; def ext_init_list_type_narrowing : ExtWarn< "type %0 cannot be narrowed to %1 in initializer list">, InGroup, DefaultError, SFINAEFailure; def ext_init_list_variable_narrowing : ExtWarn< "non-constant-expression cannot be narrowed from type %0 to %1 in " "initializer list">, InGroup, DefaultError, SFINAEFailure; def ext_init_list_constant_narrowing : ExtWarn< "constant expression evaluates to %0 which cannot be narrowed to type %1">, InGroup, DefaultError, SFINAEFailure; def warn_init_list_type_narrowing : Warning< "type %0 cannot be narrowed to %1 in initializer list in C++11">, InGroup, DefaultIgnore; def warn_init_list_variable_narrowing : Warning< "non-constant-expression cannot be narrowed from type %0 to %1 in " "initializer list in C++11">, InGroup, DefaultIgnore; def warn_init_list_constant_narrowing : Warning< "constant expression evaluates to %0 which cannot be narrowed to type %1 in " "C++11">, InGroup, DefaultIgnore; def note_init_list_narrowing_silence : Note< "insert an explicit cast to silence this issue">; def err_init_objc_class : Error< "cannot initialize Objective-C class type %0">; def err_implicit_empty_initializer : Error< "initializer for aggregate with no elements requires explicit braces">; def err_bitfield_has_negative_width : Error< "bit-field %0 has negative width (%1)">; def err_anon_bitfield_has_negative_width : Error< "anonymous bit-field has negative width (%0)">; def err_bitfield_has_zero_width : Error<"named bit-field %0 has zero width">; def err_bitfield_width_exceeds_type_width : Error< "width of bit-field %0 (%1 bits) exceeds %select{width|size}2 " "of its type (%3 bit%s3)">; def err_anon_bitfield_width_exceeds_type_width : Error< "width of anonymous bit-field (%0 bits) exceeds %select{width|size}1 " "of its type (%2 bit%s2)">; def err_anon_bitfield_init : Error< "anonymous bit-field cannot have a default member initializer">; def err_incorrect_number_of_vector_initializers : Error< "number of elements must be either one or match the size of the vector">; // Used by C++ which allows bit-fields that are wider than the type. def warn_bitfield_width_exceeds_type_width: Warning< "width of bit-field %0 (%1 bits) exceeds the width of its type; value will " "be truncated to %2 bit%s2">, InGroup; def warn_anon_bitfield_width_exceeds_type_width : Warning< "width of anonymous bit-field (%0 bits) exceeds width of its type; value " "will be truncated to %1 bit%s1">, InGroup; def warn_bitfield_too_small_for_enum : Warning< "bit-field %0 is not wide enough to store all enumerators of %1">, InGroup, DefaultIgnore; def note_widen_bitfield : Note< "widen this field to %0 bits to store all values of %1">; def warn_unsigned_bitfield_assigned_signed_enum : Warning< "assigning value of signed enum type %1 to unsigned bit-field %0; " "negative enumerators of enum %1 will be converted to positive values">, InGroup, DefaultIgnore; def warn_signed_bitfield_enum_conversion : Warning< "signed bit-field %0 needs an extra bit to represent the largest positive " "enumerators of %1">, InGroup, DefaultIgnore; def note_change_bitfield_sign : Note< "consider making the bitfield type %select{unsigned|signed}0">; def warn_missing_braces : Warning< "suggest braces around initialization of subobject">, InGroup, DefaultIgnore; def err_redefinition_of_label : Error<"redefinition of label %0">; def err_undeclared_label_use : Error<"use of undeclared label %0">; def err_goto_ms_asm_label : Error< "cannot jump from this goto statement to label %0 inside an inline assembly block">; def note_goto_ms_asm_label : Note< "inline assembly label %0 declared here">; def warn_unused_label : Warning<"unused label %0">, InGroup, DefaultIgnore; def err_goto_into_protected_scope : Error< "cannot jump from this goto statement to its label">; def ext_goto_into_protected_scope : ExtWarn< "jump from this goto statement to its label is a Microsoft extension">, InGroup; def warn_cxx98_compat_goto_into_protected_scope : Warning< "jump from this goto statement to its label is incompatible with C++98">, InGroup, DefaultIgnore; def err_switch_into_protected_scope : Error< "cannot jump from switch statement to this case label">; def warn_cxx98_compat_switch_into_protected_scope : Warning< "jump from switch statement to this case label is incompatible with C++98">, InGroup, DefaultIgnore; def err_indirect_goto_without_addrlabel : Error< "indirect goto in function with no address-of-label expressions">; def err_indirect_goto_in_protected_scope : Error< "cannot jump from this %select{indirect|asm}0 goto statement to one of its possible targets">; def warn_cxx98_compat_indirect_goto_in_protected_scope : Warning< "jump from this %select{indirect|asm}0 goto statement to one of its possible targets " "is incompatible with C++98">, InGroup, DefaultIgnore; def note_indirect_goto_target : Note< "possible target of %select{indirect|asm}0 goto statement">; def note_protected_by_variable_init : Note< "jump bypasses variable initialization">; def note_protected_by_variable_nontriv_destructor : Note< "jump bypasses variable with a non-trivial destructor">; def note_protected_by_variable_non_pod : Note< "jump bypasses initialization of non-POD variable">; def note_protected_by_cleanup : Note< "jump bypasses initialization of variable with __attribute__((cleanup))">; def note_protected_by_vla_typedef : Note< "jump bypasses initialization of VLA typedef">; def note_protected_by_vla_type_alias : Note< "jump bypasses initialization of VLA type alias">; def note_protected_by_constexpr_if : Note< "jump enters controlled statement of constexpr if">; def note_protected_by_if_available : Note< "jump enters controlled statement of if available">; def note_protected_by_vla : Note< "jump bypasses initialization of variable length array">; def note_protected_by_objc_fast_enumeration : Note< "jump enters Objective-C fast enumeration loop">; def note_protected_by_objc_try : Note< "jump bypasses initialization of @try block">; def note_protected_by_objc_catch : Note< "jump bypasses initialization of @catch block">; def note_protected_by_objc_finally : Note< "jump bypasses initialization of @finally block">; def note_protected_by_objc_synchronized : Note< "jump bypasses initialization of @synchronized block">; def note_protected_by_objc_autoreleasepool : Note< "jump bypasses auto release push of @autoreleasepool block">; def note_protected_by_cxx_try : Note< "jump bypasses initialization of try block">; def note_protected_by_cxx_catch : Note< "jump bypasses initialization of catch block">; def note_protected_by_seh_try : Note< "jump bypasses initialization of __try block">; def note_protected_by_seh_except : Note< "jump bypasses initialization of __except block">; def note_protected_by_seh_finally : Note< "jump bypasses initialization of __finally block">; def note_protected_by___block : Note< "jump bypasses setup of __block variable">; def note_protected_by_objc_strong_init : Note< "jump bypasses initialization of __strong variable">; def note_protected_by_objc_weak_init : Note< "jump bypasses initialization of __weak variable">; def note_protected_by_non_trivial_c_struct_init : Note< "jump bypasses initialization of variable of non-trivial C struct type">; def note_enters_block_captures_cxx_obj : Note< "jump enters lifetime of block which captures a destructible C++ object">; def note_enters_block_captures_strong : Note< "jump enters lifetime of block which strongly captures a variable">; def note_enters_block_captures_weak : Note< "jump enters lifetime of block which weakly captures a variable">; def note_enters_block_captures_non_trivial_c_struct : Note< "jump enters lifetime of block which captures a C struct that is non-trivial " "to destroy">; def note_enters_compound_literal_scope : Note< "jump enters lifetime of a compound literal that is non-trivial to destruct">; def note_exits_cleanup : Note< "jump exits scope of variable with __attribute__((cleanup))">; def note_exits_dtor : Note< "jump exits scope of variable with non-trivial destructor">; def note_exits_temporary_dtor : Note< "jump exits scope of lifetime-extended temporary with non-trivial " "destructor">; def note_exits___block : Note< "jump exits scope of __block variable">; def note_exits_objc_try : Note< "jump exits @try block">; def note_exits_objc_catch : Note< "jump exits @catch block">; def note_exits_objc_finally : Note< "jump exits @finally block">; def note_exits_objc_synchronized : Note< "jump exits @synchronized block">; def note_exits_cxx_try : Note< "jump exits try block">; def note_exits_cxx_catch : Note< "jump exits catch block">; def note_exits_seh_try : Note< "jump exits __try block">; def note_exits_seh_except : Note< "jump exits __except block">; def note_exits_seh_finally : Note< "jump exits __finally block">; def note_exits_objc_autoreleasepool : Note< "jump exits autoreleasepool block">; def note_exits_objc_strong : Note< "jump exits scope of __strong variable">; def note_exits_objc_weak : Note< "jump exits scope of __weak variable">; def note_exits_block_captures_cxx_obj : Note< "jump exits lifetime of block which captures a destructible C++ object">; def note_exits_block_captures_strong : Note< "jump exits lifetime of block which strongly captures a variable">; def note_exits_block_captures_weak : Note< "jump exits lifetime of block which weakly captures a variable">; def note_exits_block_captures_non_trivial_c_struct : Note< "jump exits lifetime of block which captures a C struct that is non-trivial " "to destroy">; def note_exits_compound_literal_scope : Note< "jump exits lifetime of a compound literal that is non-trivial to destruct">; def err_func_returning_qualified_void : ExtWarn< "function cannot return qualified void type %0">, InGroup>; def err_func_returning_array_function : Error< "function cannot return %select{array|function}0 type %1">; def err_field_declared_as_function : Error<"field %0 declared as a function">; def err_field_incomplete_or_sizeless : Error< "field has %select{incomplete|sizeless}0 type %1">; def ext_variable_sized_type_in_struct : ExtWarn< "field %0 with variable sized type %1 not at the end of a struct or class is" " a GNU extension">, InGroup; def ext_c99_flexible_array_member : Extension< "flexible array members are a C99 feature">, InGroup; def err_flexible_array_virtual_base : Error< "flexible array member %0 not allowed in " "%select{struct|interface|union|class|enum}1 which has a virtual base class">; def err_flexible_array_empty_aggregate : Error< "flexible array member %0 not allowed in otherwise empty " "%select{struct|interface|union|class|enum}1">; def err_flexible_array_has_nontrivial_dtor : Error< "flexible array member %0 of type %1 with non-trivial destruction">; def ext_flexible_array_in_struct : Extension< "%0 may not be nested in a struct due to flexible array member">, InGroup; def ext_flexible_array_in_array : Extension< "%0 may not be used as an array element due to flexible array member">, InGroup; def err_flexible_array_init : Error< "initialization of flexible array member is not allowed">; def ext_flexible_array_empty_aggregate_ms : Extension< "flexible array member %0 in otherwise empty " "%select{struct|interface|union|class|enum}1 is a Microsoft extension">, InGroup; def err_flexible_array_union : Error< "flexible array member %0 in a union is not allowed">; def ext_flexible_array_union_ms : Extension< "flexible array member %0 in a union is a Microsoft extension">, InGroup; def ext_flexible_array_empty_aggregate_gnu : Extension< "flexible array member %0 in otherwise empty " "%select{struct|interface|union|class|enum}1 is a GNU extension">, InGroup; def ext_flexible_array_union_gnu : Extension< "flexible array member %0 in a union is a GNU extension">, InGroup; def err_flexible_array_not_at_end : Error< "flexible array member %0 with type %1 is not at the end of" " %select{struct|interface|union|class|enum}2">; def err_objc_variable_sized_type_not_at_end : Error< "field %0 with variable sized type %1 is not at the end of class">; def note_next_field_declaration : Note< "next field declaration is here">; def note_next_ivar_declaration : Note< "next %select{instance variable declaration|synthesized instance variable}0" " is here">; def err_synthesize_variable_sized_ivar : Error< "synthesized property with variable size type %0" " requires an existing instance variable">; def err_flexible_array_arc_retainable : Error< "ARC forbids flexible array members with retainable object type">; def warn_variable_sized_ivar_visibility : Warning< "field %0 with variable sized type %1 is not visible to subclasses and" " can conflict with their instance variables">, InGroup; def warn_superclass_variable_sized_type_not_at_end : Warning< "field %0 can overwrite instance variable %1 with variable sized type %2" " in superclass %3">, InGroup; let CategoryName = "ARC Semantic Issue" in { // ARC-mode diagnostics. let CategoryName = "ARC Weak References" in { def err_arc_weak_no_runtime : Error< "cannot create __weak reference because the current deployment target " "does not support weak references">; def err_arc_weak_disabled : Error< "cannot create __weak reference in file using manual reference counting">; def err_synthesizing_arc_weak_property_disabled : Error< "cannot synthesize weak property in file using manual reference counting">; def err_synthesizing_arc_weak_property_no_runtime : Error< "cannot synthesize weak property because the current deployment target " "does not support weak references">; def err_arc_unsupported_weak_class : Error< "class is incompatible with __weak references">; def err_arc_weak_unavailable_assign : Error< "assignment of a weak-unavailable object to a __weak object">; def err_arc_weak_unavailable_property : Error< "synthesizing __weak instance variable of type %0, which does not " "support weak references">; def note_implemented_by_class : Note< "when implemented by class %0">; def err_arc_convesion_of_weak_unavailable : Error< "%select{implicit conversion|cast}0 of weak-unavailable object of type %1 to" " a __weak object of type %2">; } // end "ARC Weak References" category let CategoryName = "ARC Restrictions" in { def err_unavailable_in_arc : Error< "%0 is unavailable in ARC">; def note_arc_forbidden_type : Note< "declaration uses type that is ill-formed in ARC">; def note_performs_forbidden_arc_conversion : Note< "inline function performs a conversion which is forbidden in ARC">; def note_arc_init_returns_unrelated : Note< "init method must return a type related to its receiver type">; def note_arc_weak_disabled : Note< "declaration uses __weak, but ARC is disabled">; def note_arc_weak_no_runtime : Note<"declaration uses __weak, which " "the current deployment target does not support">; def note_arc_field_with_ownership : Note< "field has non-trivial ownership qualification">; def err_arc_illegal_explicit_message : Error< "ARC forbids explicit message send of %0">; def err_arc_unused_init_message : Error< "the result of a delegate init call must be immediately returned " "or assigned to 'self'">; def err_arc_mismatched_cast : Error< "%select{implicit conversion|cast}0 of " "%select{%2|a non-Objective-C pointer type %2|a block pointer|" "an Objective-C pointer|an indirect pointer to an Objective-C pointer}1" " to %3 is disallowed with ARC">; def err_arc_nolifetime_behavior : Error< "explicit ownership qualifier on cast result has no effect">; def err_arc_objc_property_default_assign_on_object : Error< "ARC forbids synthesizing a property of an Objective-C object " "with unspecified ownership or storage attribute">; def err_arc_illegal_selector : Error< "ARC forbids use of %0 in a @selector">; def err_arc_illegal_method_def : Error< "ARC forbids %select{implementation|synthesis}0 of %1">; def warn_arc_strong_pointer_objc_pointer : Warning< "method parameter of type %0 with no explicit ownership">, InGroup>, DefaultIgnore; } // end "ARC Restrictions" category def err_arc_lost_method_convention : Error< "method was declared as %select{an 'alloc'|a 'copy'|an 'init'|a 'new'}0 " "method, but its implementation doesn't match because %select{" "its result type is not an object pointer|" "its result type is unrelated to its receiver type}1">; def note_arc_lost_method_convention : Note<"declaration in interface">; def err_arc_gained_method_convention : Error< "method implementation does not match its declaration">; def note_arc_gained_method_convention : Note< "declaration in interface is not in the '%select{alloc|copy|init|new}0' " "family because %select{its result type is not an object pointer|" "its result type is unrelated to its receiver type}1">; def err_typecheck_arc_assign_self : Error< "cannot assign to 'self' outside of a method in the init family">; def err_typecheck_arc_assign_self_class_method : Error< "cannot assign to 'self' in a class method">; def err_typecheck_arr_assign_enumeration : Error< "fast enumeration variables cannot be modified in ARC by default; " "declare the variable __strong to allow this">; def err_typecheck_arc_assign_externally_retained : Error< "variable declared with 'objc_externally_retained' " "cannot be modified in ARC">; def warn_arc_retained_assign : Warning< "assigning retained object to %select{weak|unsafe_unretained}0 " "%select{property|variable}1" "; object will be released after assignment">, InGroup; def warn_arc_retained_property_assign : Warning< "assigning retained object to unsafe property" "; object will be released after assignment">, InGroup; def warn_arc_literal_assign : Warning< "assigning %select{array literal|dictionary literal|numeric literal|boxed expression||block literal}0" " to a weak %select{property|variable}1" "; object will be released after assignment">, InGroup; def err_arc_new_array_without_ownership : Error< "'new' cannot allocate an array of %0 with no explicit ownership">; def err_arc_autoreleasing_var : Error< "%select{__block variables|global variables|fields|instance variables}0 cannot have " "__autoreleasing ownership">; def err_arc_autoreleasing_capture : Error< "cannot capture __autoreleasing variable in a " "%select{block|lambda by copy}0">; def err_arc_thread_ownership : Error< "thread-local variable has non-trivial ownership: type is %0">; def err_arc_indirect_no_ownership : Error< "%select{pointer|reference}1 to non-const type %0 with no explicit ownership">; def err_arc_array_param_no_ownership : Error< "must explicitly describe intended ownership of an object array parameter">; def err_arc_pseudo_dtor_inconstant_quals : Error< "pseudo-destructor destroys object of type %0 with inconsistently-qualified " "type %1">; def err_arc_init_method_unrelated_result_type : Error< "init methods must return a type related to the receiver type">; def err_arc_nonlocal_writeback : Error< "passing address of %select{non-local|non-scalar}0 object to " "__autoreleasing parameter for write-back">; def err_arc_method_not_found : Error< "no known %select{instance|class}1 method for selector %0">; def err_arc_receiver_forward_class : Error< "receiver %0 for class message is a forward declaration">; def err_arc_may_not_respond : Error< "no visible @interface for %0 declares the selector %1">; def err_arc_receiver_forward_instance : Error< "receiver type %0 for instance message is a forward declaration">; def warn_receiver_forward_instance : Warning< "receiver type %0 for instance message is a forward declaration">, InGroup, DefaultIgnore; def err_arc_collection_forward : Error< "collection expression type %0 is a forward declaration">; def err_arc_multiple_method_decl : Error< "multiple methods named %0 found with mismatched result, " "parameter type or attributes">; def warn_arc_lifetime_result_type : Warning< "ARC %select{unused|__unsafe_unretained|__strong|__weak|__autoreleasing}0 " "lifetime qualifier on return type is ignored">, InGroup; let CategoryName = "ARC Retain Cycle" in { def warn_arc_retain_cycle : Warning< "capturing %0 strongly in this block is likely to lead to a retain cycle">, InGroup; def note_arc_retain_cycle_owner : Note< "block will be retained by %select{the captured object|an object strongly " "retained by the captured object}0">; } // end "ARC Retain Cycle" category def warn_arc_object_memaccess : Warning< "%select{destination for|source of}0 this %1 call is a pointer to " "ownership-qualified type %2">, InGroup; let CategoryName = "ARC and @properties" in { def err_arc_strong_property_ownership : Error< "existing instance variable %1 for strong property %0 may not be " "%select{|__unsafe_unretained||__weak}2">; def err_arc_assign_property_ownership : Error< "existing instance variable %1 for property %0 with %select{unsafe_unretained|assign}2 " "attribute must be __unsafe_unretained">; def err_arc_inconsistent_property_ownership : Error< "%select{|unsafe_unretained|strong|weak}1 property %0 may not also be " "declared %select{|__unsafe_unretained|__strong|__weak|__autoreleasing}2">; } // end "ARC and @properties" category def warn_block_capture_autoreleasing : Warning< "block captures an autoreleasing out-parameter, which may result in " "use-after-free bugs">, InGroup; def note_declare_parameter_strong : Note< "declare the parameter __strong or capture a __block __strong variable to " "keep values alive across autorelease pools">; def err_arc_atomic_ownership : Error< "cannot perform atomic operation on a pointer to type %0: type has " "non-trivial ownership">; let CategoryName = "ARC Casting Rules" in { def err_arc_bridge_cast_incompatible : Error< "incompatible types casting %0 to %1 with a %select{__bridge|" "__bridge_transfer|__bridge_retained}2 cast">; def err_arc_bridge_cast_wrong_kind : Error< "cast of %select{Objective-C|block|C}0 pointer type %1 to " "%select{Objective-C|block|C}2 pointer type %3 cannot use %select{__bridge|" "__bridge_transfer|__bridge_retained}4">; def err_arc_cast_requires_bridge : Error< "%select{cast|implicit conversion}0 of %select{Objective-C|block|C}1 " "pointer type %2 to %select{Objective-C|block|C}3 pointer type %4 " "requires a bridged cast">; def note_arc_bridge : Note< "use __bridge to convert directly (no change in ownership)">; def note_arc_cstyle_bridge : Note< "use __bridge with C-style cast to convert directly (no change in ownership)">; def note_arc_bridge_transfer : Note< "use %select{__bridge_transfer|CFBridgingRelease call}1 to transfer " "ownership of a +1 %0 into ARC">; def note_arc_cstyle_bridge_transfer : Note< "use __bridge_transfer with C-style cast to transfer " "ownership of a +1 %0 into ARC">; def note_arc_bridge_retained : Note< "use %select{__bridge_retained|CFBridgingRetain call}1 to make an " "ARC object available as a +1 %0">; def note_arc_cstyle_bridge_retained : Note< "use __bridge_retained with C-style cast to make an " "ARC object available as a +1 %0">; } // ARC Casting category } // ARC category name def err_flexible_array_init_needs_braces : Error< "flexible array requires brace-enclosed initializer">; def err_illegal_decl_array_of_functions : Error< "'%0' declared as array of functions of type %1">; def err_array_incomplete_or_sizeless_type : Error< "array has %select{incomplete|sizeless}0 element type %1">; def err_illegal_message_expr_incomplete_type : Error< "Objective-C message has incomplete result type %0">; def err_illegal_decl_array_of_references : Error< "'%0' declared as array of references of type %1">; def err_decl_negative_array_size : Error< "'%0' declared as an array with a negative size">; def err_array_static_outside_prototype : Error< "%0 used in array declarator outside of function prototype">; def err_array_static_not_outermost : Error< "%0 used in non-outermost array type derivation">; def err_array_star_outside_prototype : Error< "star modifier used outside of function prototype">; def err_illegal_decl_pointer_to_reference : Error< "'%0' declared as a pointer to a reference of type %1">; def err_illegal_decl_mempointer_to_reference : Error< "'%0' declared as a member pointer to a reference of type %1">; def err_illegal_decl_mempointer_to_void : Error< "'%0' declared as a member pointer to void">; def err_illegal_decl_mempointer_in_nonclass : Error< "'%0' does not point into a class">; def err_mempointer_in_nonclass_type : Error< "member pointer refers into non-class type %0">; def err_reference_to_void : Error<"cannot form a reference to 'void'">; def err_nonfunction_block_type : Error< "block pointer to non-function type is invalid">; def err_return_block_has_expr : Error<"void block should not return a value">; def err_block_return_missing_expr : Error< "non-void block should return a value">; def err_func_def_incomplete_result : Error< "incomplete result type %0 in function definition">; def err_atomic_specifier_bad_type : Error<"_Atomic cannot be applied to " "%select{incomplete |array |function |reference |atomic |qualified " "|sizeless ||integer |integer }0type " "%1 %select{|||||||which is not trivially copyable|with less than " "1 byte of precision|with a non power of 2 precision}0">; // Expressions. def ext_sizeof_alignof_function_type : Extension< "invalid application of '%0' to a function type">, InGroup; def ext_sizeof_alignof_void_type : Extension< "invalid application of '%0' to a void type">, InGroup; def err_opencl_sizeof_alignof_type : Error< "invalid application of '%0' to a void type">; def err_sizeof_alignof_incomplete_or_sizeless_type : Error< "invalid application of '%0' to %select{an incomplete|sizeless}1 type %2">; def err_sizeof_alignof_function_type : Error< "invalid application of '%0' to a function type">; def err_openmp_default_simd_align_expr : Error< "invalid application of '__builtin_omp_required_simd_align' to an expression, only type is allowed">; def err_sizeof_alignof_typeof_bitfield : Error< "invalid application of '%select{sizeof|alignof|typeof}0' to bit-field">; def err_alignof_member_of_incomplete_type : Error< "invalid application of 'alignof' to a field of a class still being defined">; def err_vecstep_non_scalar_vector_type : Error< "'vec_step' requires built-in scalar or vector type, %0 invalid">; def err_offsetof_incomplete_type : Error< "offsetof of incomplete type %0">; def err_offsetof_record_type : Error< "offsetof requires struct, union, or class type, %0 invalid">; def err_offsetof_array_type : Error<"offsetof requires array type, %0 invalid">; def ext_offsetof_non_pod_type : ExtWarn<"offset of on non-POD type %0">, InGroup; def ext_offsetof_non_standardlayout_type : ExtWarn< "offset of on non-standard-layout type %0">, InGroup; def err_offsetof_bitfield : Error<"cannot compute offset of bit-field %0">; def err_offsetof_field_of_virtual_base : Error< "invalid application of 'offsetof' to a field of a virtual base">; def warn_sub_ptr_zero_size_types : Warning< "subtraction of pointers to type %0 of zero size has undefined behavior">, InGroup; def warn_pointer_arith_null_ptr : Warning< "performing pointer arithmetic on a null pointer has undefined behavior%select{| if the offset is nonzero}0">, InGroup, DefaultIgnore; def warn_gnu_null_ptr_arith : Warning< "arithmetic on a null pointer treated as a cast from integer to pointer is a GNU extension">, InGroup, DefaultIgnore; def warn_floatingpoint_eq : Warning< "comparing floating point with == or != is unsafe">, InGroup>, DefaultIgnore; def warn_remainder_division_by_zero : Warning< "%select{remainder|division}0 by zero is undefined">, InGroup; def warn_shift_lhs_negative : Warning<"shifting a negative signed value is undefined">, InGroup>; def warn_shift_negative : Warning<"shift count is negative">, InGroup>; def warn_shift_gt_typewidth : Warning<"shift count >= width of type">, InGroup>; def warn_shift_result_gt_typewidth : Warning< "signed shift result (%0) requires %1 bits to represent, but %2 only has " "%3 bits">, InGroup>; def warn_shift_result_sets_sign_bit : Warning< "signed shift result (%0) sets the sign bit of the shift expression's " "type (%1) and becomes negative">, InGroup>, DefaultIgnore; def warn_precedence_bitwise_rel : Warning< "%0 has lower precedence than %1; %1 will be evaluated first">, InGroup; def note_precedence_bitwise_first : Note< "place parentheses around the %0 expression to evaluate it first">; def note_precedence_silence : Note< "place parentheses around the '%0' expression to silence this warning">; def warn_precedence_conditional : Warning< "operator '?:' has lower precedence than '%0'; '%0' will be evaluated first">, InGroup; def warn_precedence_bitwise_conditional : Warning< "operator '?:' has lower precedence than '%0'; '%0' will be evaluated first">, InGroup; def note_precedence_conditional_first : Note< "place parentheses around the '?:' expression to evaluate it first">; def warn_enum_constant_in_bool_context : Warning< "converting the enum constant to a boolean">, InGroup, DefaultIgnore; def warn_left_shift_in_bool_context : Warning< "converting the result of '<<' to a boolean; did you mean '(%0) != 0'?">, InGroup, DefaultIgnore; def warn_logical_instead_of_bitwise : Warning< "use of logical '%0' with constant operand">, InGroup>; def note_logical_instead_of_bitwise_change_operator : Note< "use '%0' for a bitwise operation">; def note_logical_instead_of_bitwise_remove_constant : Note< "remove constant to silence this warning">; def warn_bitwise_op_in_bitwise_op : Warning< "'%0' within '%1'">, InGroup, DefaultIgnore; def warn_logical_and_in_logical_or : Warning< "'&&' within '||'">, InGroup, DefaultIgnore; def warn_overloaded_shift_in_comparison :Warning< "overloaded operator %select{>>|<<}0 has higher precedence than " "comparison operator">, InGroup; def note_evaluate_comparison_first :Note< "place parentheses around comparison expression to evaluate it first">; def warn_addition_in_bitshift : Warning< "operator '%0' has lower precedence than '%1'; " "'%1' will be evaluated first">, InGroup; def warn_self_assignment_builtin : Warning< "explicitly assigning value of variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_self_assignment_overloaded : Warning< "explicitly assigning value of variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_self_move : Warning< "explicitly moving variable of type %0 to itself">, InGroup, DefaultIgnore; def warn_redundant_move_on_return : Warning< "redundant move in return statement">, InGroup, DefaultIgnore; def warn_pessimizing_move_on_return : Warning< "moving a local object in a return statement prevents copy elision">, InGroup, DefaultIgnore; def warn_pessimizing_move_on_initialization : Warning< "moving a temporary object prevents copy elision">, InGroup, DefaultIgnore; def note_remove_move : Note<"remove std::move call here">; def warn_return_std_move : Warning< "local variable %0 will be copied despite being %select{returned|thrown}1 by name">, InGroup, DefaultIgnore; def note_add_std_move : Note< "call 'std::move' explicitly to avoid copying">; def warn_return_std_move_in_cxx11 : Warning< "prior to the resolution of a defect report against ISO C++11, " "local variable %0 would have been copied despite being returned by name, " "due to its not matching the function return type%diff{ ($ vs $)|}1,2">, InGroup, DefaultIgnore; def note_add_std_move_in_cxx11 : Note< "call 'std::move' explicitly to avoid copying on older compilers">; def warn_string_plus_int : Warning< "adding %0 to a string does not append to the string">, InGroup; def warn_string_plus_char : Warning< "adding %0 to a string pointer does not append to the string">, InGroup; def note_string_plus_scalar_silence : Note< "use array indexing to silence this warning">; def warn_sizeof_array_param : Warning< "sizeof on array function parameter will return size of %0 instead of %1">, InGroup; def warn_sizeof_array_decay : Warning< "sizeof on pointer operation will return size of %0 instead of %1">, InGroup; def err_sizeof_nonfragile_interface : Error< "application of '%select{alignof|sizeof}1' to interface %0 is " "not supported on this architecture and platform">; def err_atdef_nonfragile_interface : Error< "use of @defs is not supported on this architecture and platform">; def err_subscript_nonfragile_interface : Error< "subscript requires size of interface %0, which is not constant for " "this architecture and platform">; def err_arithmetic_nonfragile_interface : Error< "arithmetic on pointer to interface %0, which is not a constant size for " "this architecture and platform">; def warn_deprecated_comma_subscript : Warning< "top-level comma expression in array subscript is deprecated">, InGroup; def ext_subscript_non_lvalue : Extension< "ISO C90 does not allow subscripting non-lvalue array">; def err_typecheck_subscript_value : Error< "subscripted value is not an array, pointer, or vector">; def err_typecheck_subscript_not_integer : Error< "array subscript is not an integer">; def err_subscript_function_type : Error< "subscript of pointer to function type %0">; def err_subscript_incomplete_or_sizeless_type : Error< "subscript of pointer to %select{incomplete|sizeless}0 type %1">; def err_dereference_incomplete_type : Error< "dereference of pointer to incomplete type %0">; def ext_gnu_subscript_void_type : Extension< "subscript of a pointer to void is a GNU extension">, InGroup; def err_typecheck_member_reference_struct_union : Error< "member reference base type %0 is not a structure or union">; def err_typecheck_member_reference_ivar : Error< "%0 does not have a member named %1">; def err_arc_weak_ivar_access : Error< "dereferencing a __weak pointer is not allowed due to possible " "null value caused by race condition, assign it to strong variable first">; def err_typecheck_member_reference_arrow : Error< "member reference type %0 is not a pointer">; def err_typecheck_member_reference_suggestion : Error< "member reference type %0 is %select{a|not a}1 pointer; did you mean to use '%select{->|.}1'?">; def note_typecheck_member_reference_suggestion : Note< "did you mean to use '.' instead?">; def note_member_reference_arrow_from_operator_arrow : Note< "'->' applied to return value of the operator->() declared here">; def err_typecheck_member_reference_type : Error< "cannot refer to type member %0 in %1 with '%select{.|->}2'">; def err_typecheck_member_reference_unknown : Error< "cannot refer to member %0 in %1 with '%select{.|->}2'">; def err_member_reference_needs_call : Error< "base of member reference is a function; perhaps you meant to call " "it%select{| with no arguments}0?">; def warn_subscript_is_char : Warning<"array subscript is of type 'char'">, InGroup, DefaultIgnore; def err_typecheck_incomplete_tag : Error<"incomplete definition of type %0">; def err_no_member : Error<"no member named %0 in %1">; def err_no_member_overloaded_arrow : Error< "no member named %0 in %1; did you mean to use '->' instead of '.'?">; def err_member_not_yet_instantiated : Error< "no member %0 in %1; it has not yet been instantiated">; def note_non_instantiated_member_here : Note< "not-yet-instantiated member is declared here">; def err_enumerator_does_not_exist : Error< "enumerator %0 does not exist in instantiation of %1">; def note_enum_specialized_here : Note< "enum %0 was explicitly specialized here">; def err_specialization_not_primary_template : Error< "cannot reference member of primary template because deduced class " "template specialization %0 is %select{instantiated from a partial|" "an explicit}1 specialization">; def err_member_redeclared : Error<"class member cannot be redeclared">; def ext_member_redeclared : ExtWarn<"class member cannot be redeclared">, InGroup; def err_member_redeclared_in_instantiation : Error< "multiple overloads of %0 instantiate to the same signature %1">; def err_member_name_of_class : Error<"member %0 has the same name as its class">; def err_member_def_undefined_record : Error< "out-of-line definition of %0 from class %1 without definition">; def err_member_decl_does_not_match : Error< "out-of-line %select{declaration|definition}2 of %0 " "does not match any declaration in %1">; def err_friend_decl_with_def_arg_must_be_def : Error< "friend declaration specifying a default argument must be a definition">; def err_friend_decl_with_def_arg_redeclared : Error< "friend declaration specifying a default argument must be the only declaration">; def err_friend_decl_does_not_match : Error< "friend declaration of %0 does not match any declaration in %1">; def err_member_decl_does_not_match_suggest : Error< "out-of-line %select{declaration|definition}2 of %0 " "does not match any declaration in %1; did you mean %3?">; def err_member_def_does_not_match_ret_type : Error< "return type of out-of-line definition of %q0 differs from " "that in the declaration">; def err_nonstatic_member_out_of_line : Error< "non-static data member defined out-of-line">; def err_qualified_typedef_declarator : Error< "typedef declarator cannot be qualified">; def err_qualified_param_declarator : Error< "parameter declarator cannot be qualified">; def ext_out_of_line_declaration : ExtWarn< "out-of-line declaration of a member must be a definition">, InGroup, DefaultError; def err_member_extra_qualification : Error< "extra qualification on member %0">; def warn_member_extra_qualification : Warning< err_member_extra_qualification.Text>, InGroup; def warn_namespace_member_extra_qualification : Warning< "extra qualification on member %0">, InGroup>; def err_member_qualification : Error< "non-friend class member %0 cannot have a qualified name">; def note_member_def_close_match : Note<"member declaration nearly matches">; def note_member_def_close_const_match : Note< "member declaration does not match because " "it %select{is|is not}0 const qualified">; def note_member_def_close_param_match : Note< "type of %ordinal0 parameter of member declaration does not match definition" "%diff{ ($ vs $)|}1,2">; def note_local_decl_close_match : Note<"local declaration nearly matches">; def note_local_decl_close_param_match : Note< "type of %ordinal0 parameter of local declaration does not match definition" "%diff{ ($ vs $)|}1,2">; def err_typecheck_ivar_variable_size : Error< "instance variables must have a constant size">; def err_ivar_reference_type : Error< "instance variables cannot be of reference type">; def err_typecheck_illegal_increment_decrement : Error< "cannot %select{decrement|increment}1 value of type %0">; def err_typecheck_expect_int : Error< "used type %0 where integer is required">; def err_typecheck_arithmetic_incomplete_or_sizeless_type : Error< "arithmetic on a pointer to %select{an incomplete|sizeless}0 type %1">; def err_typecheck_pointer_arith_function_type : Error< "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 " "function type%select{|s}2 %1%select{| and %3}2">; def err_typecheck_pointer_arith_void_type : Error< "arithmetic on%select{ a|}0 pointer%select{|s}0 to void">; def err_typecheck_decl_incomplete_type : Error< "variable has incomplete type %0">; def ext_typecheck_decl_incomplete_type : ExtWarn< "tentative definition of variable with internal linkage has incomplete non-array type %0">, InGroup>; def err_tentative_def_incomplete_type : Error< "tentative definition has type %0 that is never completed">; def warn_tentative_incomplete_array : Warning< "tentative array definition assumed to have one element">; def err_typecheck_incomplete_array_needs_initializer : Error< "definition of variable with array type needs an explicit size " "or an initializer">; def err_array_init_not_init_list : Error< "array initializer must be an initializer " "list%select{| or string literal| or wide string literal}0">; def err_array_init_narrow_string_into_wchar : Error< "initializing wide char array with non-wide string literal">; def err_array_init_wide_string_into_char : Error< "initializing char array with wide string literal">; def err_array_init_incompat_wide_string_into_wchar : Error< "initializing wide char array with incompatible wide string literal">; def err_array_init_plain_string_into_char8_t : Error< "initializing 'char8_t' array with plain string literal">; def note_array_init_plain_string_into_char8_t : Note< "add 'u8' prefix to form a 'char8_t' string literal">; def err_array_init_utf8_string_into_char : Error< "%select{|ISO C++20 does not permit }0initialization of char array with " "UTF-8 string literal%select{ is not permitted by '-fchar8_t'|}0">; def warn_cxx20_compat_utf8_string : Warning< "type of UTF-8 string literal will change from array of const char to " "array of const char8_t in C++20">, InGroup, DefaultIgnore; def note_cxx20_compat_utf8_string_remove_u8 : Note< "remove 'u8' prefix to avoid a change of behavior; " "Clang encodes unprefixed narrow string literals as UTF-8">; def err_array_init_different_type : Error< "cannot initialize array %diff{of type $ with array of type $|" "with different type of array}0,1">; def err_array_init_non_constant_array : Error< "cannot initialize array %diff{of type $ with non-constant array of type $|" "with different type of array}0,1">; def ext_array_init_copy : Extension< "initialization of an array " "%diff{of type $ from a compound literal of type $|" "from a compound literal}0,1 is a GNU extension">, InGroup; // This is intentionally not disabled by -Wno-gnu. def ext_array_init_parens : ExtWarn< "parenthesized initialization of a member array is a GNU extension">, InGroup>, DefaultError; def warn_deprecated_string_literal_conversion : Warning< "conversion from string literal to %0 is deprecated">, InGroup; def ext_deprecated_string_literal_conversion : ExtWarn< "ISO C++11 does not allow conversion from string literal to %0">, InGroup, SFINAEFailure; def err_realimag_invalid_type : Error<"invalid type %0 to %1 operator">; def err_typecheck_sclass_fscope : Error< "illegal storage class on file-scoped variable">; def warn_standalone_specifier : Warning<"'%0' ignored on this declaration">, InGroup; def ext_standalone_specifier : ExtWarn<"'%0' is not permitted on a declaration " "of a type">, InGroup; def err_standalone_class_nested_name_specifier : Error< "forward declaration of %select{class|struct|interface|union|enum}0 cannot " "have a nested name specifier">; def err_typecheck_sclass_func : Error<"illegal storage class on function">; def err_static_block_func : Error< "function declared in block scope cannot have 'static' storage class">; def err_typecheck_address_of : Error<"address of %select{bit-field" "|vector element|property expression|register variable|matrix element}0 requested">; def ext_typecheck_addrof_void : Extension< "ISO C forbids taking the address of an expression of type 'void'">; def err_unqualified_pointer_member_function : Error< "must explicitly qualify name of member function when taking its address">; def err_invalid_form_pointer_member_function : Error< "cannot create a non-constant pointer to member function">; def err_address_of_function_with_pass_object_size_params: Error< "cannot take address of function %0 because parameter %1 has " "pass_object_size attribute">; def err_parens_pointer_member_function : Error< "cannot parenthesize the name of a method when forming a member pointer">; def err_typecheck_invalid_lvalue_addrof_addrof_function : Error< "extra '&' taking address of overloaded function">; def err_typecheck_invalid_lvalue_addrof : Error< "cannot take the address of an rvalue of type %0">; def ext_typecheck_addrof_temporary : ExtWarn< "taking the address of a temporary object of type %0">, InGroup, DefaultError; def err_typecheck_addrof_temporary : Error< "taking the address of a temporary object of type %0">; def err_typecheck_addrof_dtor : Error< "taking the address of a destructor">; def err_typecheck_unary_expr : Error< "invalid argument type %0 to unary expression">; def err_typecheck_indirection_requires_pointer : Error< "indirection requires pointer operand (%0 invalid)">; def ext_typecheck_indirection_through_void_pointer : ExtWarn< "ISO C++ does not allow indirection on operand of type %0">, InGroup>; def warn_indirection_through_null : Warning< "indirection of non-volatile null pointer will be deleted, not trap">, InGroup; def warn_binding_null_to_reference : Warning< "binding dereferenced null pointer to reference has undefined behavior">, InGroup; def note_indirection_through_null : Note< "consider using __builtin_trap() or qualifying pointer with 'volatile'">; def warn_pointer_indirection_from_incompatible_type : Warning< "dereference of type %1 that was reinterpret_cast from type %0 has undefined " "behavior">, InGroup, DefaultIgnore; def warn_taking_address_of_packed_member : Warning< "taking address of packed member %0 of class or structure %q1 may result in an unaligned pointer value">, InGroup>; def err_objc_object_assignment : Error< "cannot assign to class object (%0 invalid)">; def err_typecheck_invalid_operands : Error< "invalid operands to binary expression (%0 and %1)">; def note_typecheck_invalid_operands_converted : Note< "%select{first|second}0 operand was implicitly converted to type %1">; def err_typecheck_logical_vector_expr_gnu_cpp_restrict : Error< "logical expression with vector %select{type %1 and non-vector type %2|types" " %1 and %2}0 is only supported in C++">; def err_typecheck_sub_ptr_compatible : Error< "%diff{$ and $ are not pointers to compatible types|" "pointers to incompatible types}0,1">; def ext_typecheck_ordered_comparison_of_pointer_integer : ExtWarn< "ordered comparison between pointer and integer (%0 and %1)">; def ext_typecheck_ordered_comparison_of_pointer_and_zero : Extension< "ordered comparison between pointer and zero (%0 and %1) is an extension">; def err_typecheck_ordered_comparison_of_pointer_and_zero : Error< "ordered comparison between pointer and zero (%0 and %1)">; def err_typecheck_three_way_comparison_of_pointer_and_zero : Error< "three-way comparison between pointer and zero">; def ext_typecheck_ordered_comparison_of_function_pointers : ExtWarn< "ordered comparison of function pointers (%0 and %1)">, InGroup>; def ext_typecheck_comparison_of_fptr_to_void : Extension< "equality comparison between function pointer and void pointer (%0 and %1)">; def err_typecheck_comparison_of_fptr_to_void : Error< "equality comparison between function pointer and void pointer (%0 and %1)">; def ext_typecheck_comparison_of_pointer_integer : ExtWarn< "comparison between pointer and integer (%0 and %1)">, InGroup>; def err_typecheck_comparison_of_pointer_integer : Error< "comparison between pointer and integer (%0 and %1)">; def ext_typecheck_comparison_of_distinct_pointers : ExtWarn< "comparison of distinct pointer types%diff{ ($ and $)|}0,1">, InGroup; def ext_typecheck_cond_incompatible_operands : ExtWarn< "incompatible operand types (%0 and %1)">; def err_cond_voidptr_arc : Error < "operands to conditional of types%diff{ $ and $|}0,1 are incompatible " "in ARC mode">; def err_typecheck_comparison_of_distinct_pointers : Error< "comparison of distinct pointer types%diff{ ($ and $)|}0,1">; def err_typecheck_op_on_nonoverlapping_address_space_pointers : Error< "%select{comparison between %diff{ ($ and $)|}0,1" "|arithmetic operation with operands of type %diff{ ($ and $)|}0,1" "|conditional operator with the second and third operands of type " "%diff{ ($ and $)|}0,1}2" " which are pointers to non-overlapping address spaces">; def select_arith_conv_kind : TextSubstitution< "%select{arithmetic between|bitwise operation between|comparison of|" "conditional expression between|compound assignment of}0">; def warn_arith_conv_enum_float : Warning< "%sub{select_arith_conv_kind}0 " "%select{floating-point|enumeration}1 type %2 " "%plural{2:with|4:from|:and}0 " "%select{enumeration|floating-point}1 type %3">, InGroup, DefaultIgnore; def warn_arith_conv_enum_float_cxx20 : Warning< "%sub{select_arith_conv_kind}0 " "%select{floating-point|enumeration}1 type %2 " "%plural{2:with|4:from|:and}0 " "%select{enumeration|floating-point}1 type %3 is deprecated">, InGroup; def warn_arith_conv_mixed_enum_types : Warning< "%sub{select_arith_conv_kind}0 " "different enumeration types%diff{ ($ and $)|}1,2">, InGroup, DefaultIgnore; def warn_arith_conv_mixed_enum_types_cxx20 : Warning< "%sub{select_arith_conv_kind}0 " "different enumeration types%diff{ ($ and $)|}1,2 is deprecated">, InGroup; def warn_arith_conv_mixed_anon_enum_types : Warning< warn_arith_conv_mixed_enum_types.Text>, InGroup, DefaultIgnore; def warn_arith_conv_mixed_anon_enum_types_cxx20 : Warning< warn_arith_conv_mixed_enum_types_cxx20.Text>, InGroup; def warn_conditional_mixed_enum_types : Warning< warn_arith_conv_mixed_enum_types.Text>, InGroup, DefaultIgnore; def warn_conditional_mixed_enum_types_cxx20 : Warning< warn_arith_conv_mixed_enum_types_cxx20.Text>, InGroup; def warn_comparison_mixed_enum_types : Warning< warn_arith_conv_mixed_enum_types.Text>, InGroup; def warn_comparison_mixed_enum_types_cxx20 : Warning< warn_arith_conv_mixed_enum_types_cxx20.Text>, InGroup; def warn_comparison_of_mixed_enum_types_switch : Warning< "comparison of different enumeration types in switch statement" "%diff{ ($ and $)|}0,1">, InGroup; def err_typecheck_assign_const : Error< "%select{" "cannot assign to return value because function %1 returns a const value|" "cannot assign to variable %1 with const-qualified type %2|" "cannot assign to %select{non-|}1static data member %2 " "with const-qualified type %3|" "cannot assign to non-static data member within const member function %1|" "cannot assign to %select{variable %2|non-static data member %2|lvalue}1 " "with %select{|nested }3const-qualified data member %4|" "read-only variable is not assignable}0">; def note_typecheck_assign_const : Note< "%select{" "function %1 which returns const-qualified type %2 declared here|" "variable %1 declared const here|" "%select{non-|}1static data member %2 declared const here|" "member function %q1 is declared const here|" "%select{|nested }1data member %2 declared const here}0">; def warn_unsigned_always_true_comparison : Warning< "result of comparison of %select{%3|unsigned expression}0 %2 " "%select{unsigned expression|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_unsigned_enum_always_true_comparison : Warning< "result of comparison of %select{%3|unsigned enum expression}0 %2 " "%select{unsigned enum expression|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_tautological_constant_compare : Warning< "result of comparison %select{%3|%1}0 %2 " "%select{%1|%3}0 is always %4">, InGroup, DefaultIgnore; def warn_tautological_compare_objc_bool : Warning< "result of comparison of constant %0 with expression of type 'BOOL'" " is always %1, as the only well defined values for 'BOOL' are YES and NO">, InGroup; def warn_mixed_sign_comparison : Warning< "comparison of integers of different signs: %0 and %1">, InGroup, DefaultIgnore; def warn_out_of_range_compare : Warning< "result of comparison of %select{constant %0|true|false}1 with " "%select{expression of type %2|boolean expression}3 is always %4">, InGroup; def warn_tautological_bool_compare : Warning, InGroup; def warn_integer_constants_in_conditional_always_true : Warning< "converting the result of '?:' with integer constants to a boolean always " "evaluates to 'true'">, InGroup; def warn_left_shift_always : Warning< "converting the result of '<<' to a boolean always evaluates " "to %select{false|true}0">, InGroup; def warn_null_in_arithmetic_operation : Warning< "use of NULL in arithmetic operation">, InGroup; def warn_null_in_comparison_operation : Warning< "comparison between NULL and non-pointer " "%select{(%1 and NULL)|(NULL and %1)}0">, InGroup; def err_shift_rhs_only_vector : Error< "requested shift is a vector of type %0 but the first operand is not a " "vector (%1)">; def warn_logical_not_on_lhs_of_check : Warning< "logical not is only applied to the left hand side of this " "%select{comparison|bitwise operator}0">, InGroup; def note_logical_not_fix : Note< "add parentheses after the '!' to evaluate the " "%select{comparison|bitwise operator}0 first">; def note_logical_not_silence_with_parens : Note< "add parentheses around left hand side expression to silence this warning">; def err_invalid_this_use : Error< "invalid use of 'this' outside of a non-static member function">; def err_this_static_member_func : Error< "'this' cannot be%select{| implicitly}0 used in a static member function " "declaration">; def err_invalid_member_use_in_static_method : Error< "invalid use of member %0 in static member function">; def err_invalid_qualified_function_type : Error< "%select{non-member function|static member function|deduction guide}0 " "%select{of type %2 |}1cannot have '%3' qualifier">; def err_compound_qualified_function_type : Error< "%select{block pointer|pointer|reference}0 to function type %select{%2 |}1" "cannot have '%3' qualifier">; def err_qualified_function_typeid : Error< "type operand %0 of 'typeid' cannot have '%1' qualifier">; def err_ref_qualifier_overload : Error< "cannot overload a member function %select{without a ref-qualifier|with " "ref-qualifier '&'|with ref-qualifier '&&'}0 with a member function %select{" "without a ref-qualifier|with ref-qualifier '&'|with ref-qualifier '&&'}1">; def err_invalid_non_static_member_use : Error< "invalid use of non-static data member %0">; def err_nested_non_static_member_use : Error< "%select{call to non-static member function|use of non-static data member}0 " "%2 of %1 from nested type %3">; def warn_cxx98_compat_non_static_member_use : Warning< "use of non-static data member %0 in an unevaluated context is " "incompatible with C++98">, InGroup, DefaultIgnore; def err_invalid_incomplete_type_use : Error< "invalid use of incomplete type %0">; def err_builtin_func_cast_more_than_one_arg : Error< "function-style cast to a builtin type can only take one argument">; def err_value_init_for_array_type : Error< "array types cannot be value-initialized">; def err_init_for_function_type : Error< "cannot create object of function type %0">; def warn_format_nonliteral_noargs : Warning< "format string is not a string literal (potentially insecure)">, InGroup; def warn_format_nonliteral : Warning< "format string is not a string literal">, InGroup, DefaultIgnore; def err_unexpected_interface : Error< "unexpected interface name %0: expected expression">; def err_ref_non_value : Error<"%0 does not refer to a value">; def err_ref_vm_type : Error< "cannot refer to declaration with a variably modified type inside block">; def err_ref_flexarray_type : Error< "cannot refer to declaration of structure variable with flexible array member " "inside block">; def err_ref_array_type : Error< "cannot refer to declaration with an array type inside block">; def err_property_not_found : Error< "property %0 not found on object of type %1">; def err_invalid_property_name : Error< "%0 is not a valid property name (accessing an object of type %1)">; def err_getter_not_found : Error< "no getter method for read from property">; def err_objc_subscript_method_not_found : Error< "expected method to %select{read|write}1 %select{dictionary|array}2 element not " "found on object of type %0">; def err_objc_subscript_index_type : Error< "method index parameter type %0 is not integral type">; def err_objc_subscript_key_type : Error< "method key parameter type %0 is not object type">; def err_objc_subscript_dic_object_type : Error< "method object parameter type %0 is not object type">; def err_objc_subscript_object_type : Error< "cannot assign to this %select{dictionary|array}1 because assigning method's " "2nd parameter of type %0 is not an Objective-C pointer type">; def err_objc_subscript_base_type : Error< "%select{dictionary|array}1 subscript base type %0 is not an Objective-C object">; def err_objc_multiple_subscript_type_conversion : Error< "indexing expression is invalid because subscript type %0 has " "multiple type conversion functions">; def err_objc_subscript_type_conversion : Error< "indexing expression is invalid because subscript type %0 is not an integral" " or Objective-C pointer type">; def err_objc_subscript_pointer : Error< "indexing expression is invalid because subscript type %0 is not an" " Objective-C pointer">; def err_objc_indexing_method_result_type : Error< "method for accessing %select{dictionary|array}1 element must have Objective-C" " object return type instead of %0">; def err_objc_index_incomplete_class_type : Error< "Objective-C index expression has incomplete class type %0">; def err_illegal_container_subscripting_op : Error< "illegal operation on Objective-C container subscripting">; def err_property_not_found_forward_class : Error< "property %0 cannot be found in forward class object %1">; def err_property_not_as_forward_class : Error< "property %0 refers to an incomplete Objective-C class %1 " "(with no @interface available)">; def note_forward_class : Note< "forward declaration of class here">; def err_duplicate_property : Error< "property has a previous declaration">; def ext_gnu_void_ptr : Extension< "arithmetic on%select{ a|}0 pointer%select{|s}0 to void is a GNU extension">, InGroup; def ext_gnu_ptr_func_arith : Extension< "arithmetic on%select{ a|}0 pointer%select{|s}0 to%select{ the|}2 function " "type%select{|s}2 %1%select{| and %3}2 is a GNU extension">, InGroup; def err_readonly_message_assignment : Error< "assigning to 'readonly' return result of an Objective-C message not allowed">; def ext_integer_increment_complex : Extension< "ISO C does not support '++'/'--' on complex integer type %0">; def ext_integer_complement_complex : Extension< "ISO C does not support '~' for complex conjugation of %0">; def err_nosetter_property_assignment : Error< "%select{assignment to readonly property|" "no setter method %1 for assignment to property}0">; def err_nosetter_property_incdec : Error< "%select{%select{increment|decrement}1 of readonly property|" "no setter method %2 for %select{increment|decrement}1 of property}0">; def err_nogetter_property_compound_assignment : Error< "a getter method is needed to perform a compound assignment on a property">; def err_nogetter_property_incdec : Error< "no getter method %1 for %select{increment|decrement}0 of property">; def err_no_subobject_property_setting : Error< "expression is not assignable">; def err_qualified_objc_access : Error< "%select{property|instance variable}0 access cannot be qualified with '%1'">; def ext_freestanding_complex : Extension< "complex numbers are an extension in a freestanding C99 implementation">; // FIXME: Remove when we support imaginary. def err_imaginary_not_supported : Error<"imaginary types are not supported">; // Obj-c expressions def warn_root_inst_method_not_found : Warning< "instance method %0 is being used on 'Class' which is not in the root class">, InGroup; def warn_class_method_not_found : Warning< "class method %objcclass0 not found (return type defaults to 'id')">, InGroup; def warn_instance_method_on_class_found : Warning< "instance method %0 found instead of class method %1">, InGroup; def warn_inst_method_not_found : Warning< "instance method %objcinstance0 not found (return type defaults to 'id')">, InGroup; def warn_instance_method_not_found_with_typo : Warning< "instance method %objcinstance0 not found (return type defaults to 'id')" "; did you mean %objcinstance2?">, InGroup; def warn_class_method_not_found_with_typo : Warning< "class method %objcclass0 not found (return type defaults to 'id')" "; did you mean %objcclass2?">, InGroup; def err_method_not_found_with_typo : Error< "%select{instance|class}1 method %0 not found " "; did you mean %2?">; def err_no_super_class_message : Error< "no @interface declaration found in class messaging of %0">; def err_root_class_cannot_use_super : Error< "%0 cannot use 'super' because it is a root class">; def err_invalid_receiver_to_message_super : Error< "'super' is only valid in a method body">; def err_invalid_receiver_class_message : Error< "receiver type %0 is not an Objective-C class">; def err_missing_open_square_message_send : Error< "missing '[' at start of message send expression">; def warn_bad_receiver_type : Warning< "receiver type %0 is not 'id' or interface pointer, consider " "casting it to 'id'">,InGroup; def err_bad_receiver_type : Error<"bad receiver type %0">; def err_incomplete_receiver_type : Error<"incomplete receiver type %0">; def err_unknown_receiver_suggest : Error< "unknown receiver %0; did you mean %1?">; def err_objc_throw_expects_object : Error< "@throw requires an Objective-C object type (%0 invalid)">; def err_objc_synchronized_expects_object : Error< "@synchronized requires an Objective-C object type (%0 invalid)">; def err_rethrow_used_outside_catch : Error< "@throw (rethrow) used outside of a @catch block">; def err_attribute_multiple_objc_gc : Error< "multiple garbage collection attributes specified for type">; def err_catch_param_not_objc_type : Error< "@catch parameter is not a pointer to an interface type">; def err_illegal_qualifiers_on_catch_parm : Error< "illegal qualifiers on @catch parameter">; def err_storage_spec_on_catch_parm : Error< "@catch parameter cannot have storage specifier '%0'">; def warn_register_objc_catch_parm : Warning< "'register' storage specifier on @catch parameter will be ignored">; def err_qualified_objc_catch_parm : Error< "@catch parameter declarator cannot be qualified">; def warn_objc_pointer_cxx_catch_fragile : Warning< "cannot catch an exception thrown with @throw in C++ in the non-unified " "exception model">, InGroup; def err_objc_object_catch : Error< "cannot catch an Objective-C object by value">; def err_incomplete_type_objc_at_encode : Error< "'@encode' of incomplete type %0">; def warn_objc_circular_container : Warning< "adding %0 to %1 might cause circular dependency in container">, InGroup>; def note_objc_circular_container_declared_here : Note<"%0 declared here">; def warn_objc_unsafe_perform_selector : Warning< "%0 is incompatible with selectors that return a " "%select{struct|union|vector}1 type">, InGroup>; def note_objc_unsafe_perform_selector_method_declared_here : Note< "method %0 that returns %1 declared here">; def err_attribute_arm_builtin_alias : Error< "'__clang_arm_builtin_alias' attribute can only be applied to an ARM builtin">; def err_attribute_arm_mve_polymorphism : Error< "'__clang_arm_mve_strict_polymorphism' attribute can only be applied to an MVE/NEON vector type">; def warn_setter_getter_impl_required : Warning< "property %0 requires method %1 to be defined - " "use @synthesize, @dynamic or provide a method implementation " "in this class implementation">, InGroup; def warn_setter_getter_impl_required_in_category : Warning< "property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation in this category">, InGroup; def note_parameter_named_here : Note< "passing argument to parameter %0 here">; def note_parameter_here : Note< "passing argument to parameter here">; def note_method_return_type_change : Note< "compiler has implicitly changed method %0 return type">; def warn_impl_required_for_class_property : Warning< "class property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation " "in this class implementation">, InGroup; def warn_impl_required_in_category_for_class_property : Warning< "class property %0 requires method %1 to be defined - " "use @dynamic or provide a method implementation in this category">, InGroup; // C++ casts // These messages adhere to the TryCast pattern: %0 is an int specifying the // cast type, %1 is the source type, %2 is the destination type. def err_bad_reinterpret_cast_overload : Error< "reinterpret_cast cannot resolve overloaded function %0 to type %1">; def warn_reinterpret_different_from_static : Warning< "'reinterpret_cast' %select{from|to}3 class %0 %select{to|from}3 its " "%select{virtual base|base at non-zero offset}2 %1 behaves differently from " "'static_cast'">, InGroup; def note_reinterpret_updowncast_use_static: Note< "use 'static_cast' to adjust the pointer correctly while " "%select{upcasting|downcasting}0">; def err_bad_static_cast_overload : Error< "address of overloaded function %0 cannot be static_cast to type %1">; def err_bad_cstyle_cast_overload : Error< "address of overloaded function %0 cannot be cast to type %1">; def err_bad_cxx_cast_generic : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|" "C-style cast|functional-style cast|addrspace_cast}0 from %1 to %2 is not allowed">; def err_bad_cxx_cast_unrelated_class : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|}0 from %1 to %2, which are not related by " "inheritance, is not allowed">; def note_type_incomplete : Note<"%0 is incomplete">; def err_bad_cxx_cast_rvalue : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|addrspace_cast}0 from rvalue to reference type %2">; def err_bad_cxx_cast_bitfield : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|}0 from bit-field lvalue to reference type %2">; def err_bad_cxx_cast_qualifiers_away : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|}0 from %1 to %2 casts away qualifiers">; def err_bad_cxx_cast_addr_space_mismatch : Error< "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|" "C-style cast|functional-style cast|addrspace_cast}0 from %1 to %2 converts between mismatching address" " spaces">; def ext_bad_cxx_cast_qualifiers_away_incoherent : ExtWarn< "ISO C++ does not allow " "%select{const_cast|static_cast|reinterpret_cast|dynamic_cast|C-style cast|" "functional-style cast|}0 from %1 to %2 because it casts away qualifiers, " "even though the source and destination types are unrelated">, SFINAEFailure, InGroup>; def err_bad_const_cast_dest : Error< "%select{const_cast||||C-style cast|functional-style cast|}0 to %2, " "which is not a reference, pointer-to-object, or pointer-to-data-member">; def ext_cast_fn_obj : Extension< "cast between pointer-to-function and pointer-to-object is an extension">; def ext_ms_cast_fn_obj : ExtWarn< "static_cast between pointer-to-function and pointer-to-object is a " "Microsoft extension">, InGroup; def warn_cxx98_compat_cast_fn_obj : Warning< "cast between pointer-to-function and pointer-to-object is incompatible with C++98">, InGroup, DefaultIgnore; def err_bad_reinterpret_cast_small_int : Error< "cast from pointer to smaller type %2 loses information">; def err_bad_cxx_cast_vector_to_scalar_different_size : Error< "%select{||reinterpret_cast||C-style cast||}0 from vector %1 " "to scalar %2 of different size">; def err_bad_cxx_cast_scalar_to_vector_different_size : Error< "%select{||reinterpret_cast||C-style cast||}0 from scalar %1 " "to vector %2 of different size">; def err_bad_cxx_cast_vector_to_vector_different_size : Error< "%select{||reinterpret_cast||C-style cast||}0 from vector %1 " "to vector %2 of different size">; def warn_bad_cxx_cast_nested_pointer_addr_space : Warning< "%select{reinterpret_cast|C-style cast}0 from %1 to %2 " "changes address space of nested pointers">, InGroup; def err_bad_lvalue_to_rvalue_cast : Error< "cannot cast from lvalue of type %1 to rvalue reference type %2; types are " "not compatible">; def err_bad_rvalue_to_rvalue_cast : Error< "cannot cast from rvalue of type %1 to rvalue reference type %2; types are " "not compatible">; def err_bad_static_cast_pointer_nonpointer : Error< "cannot cast from type %1 to pointer type %2">; def err_bad_static_cast_member_pointer_nonmp : Error< "cannot cast from type %1 to member pointer type %2">; def err_bad_cxx_cast_member_pointer_size : Error< "cannot %select{||reinterpret_cast||C-style cast||}0 from member pointer " "type %1 to member pointer type %2 of different size">; def err_bad_reinterpret_cast_reference : Error< "reinterpret_cast of a %0 to %1 needs its address, which is not allowed">; def warn_undefined_reinterpret_cast : Warning< "reinterpret_cast from %0 to %1 has undefined behavior">, InGroup, DefaultIgnore; // These messages don't adhere to the pattern. // FIXME: Display the path somehow better. def err_ambiguous_base_to_derived_cast : Error< "ambiguous cast from base %0 to derived %1:%2">; def err_static_downcast_via_virtual : Error< "cannot cast %0 to %1 via virtual base %2">; def err_downcast_from_inaccessible_base : Error< "cannot cast %select{private|protected}2 base class %1 to %0">; def err_upcast_to_inaccessible_base : Error< "cannot cast %0 to its %select{private|protected}2 base class %1">; def err_bad_dynamic_cast_not_ref_or_ptr : Error< "invalid target type %0 for dynamic_cast; target type must be a reference or pointer type to a defined class">; def err_bad_dynamic_cast_not_class : Error<"%0 is not a class type">; def err_bad_cast_incomplete : Error<"%0 is an incomplete type">; def err_bad_dynamic_cast_not_ptr : Error<"cannot use dynamic_cast to convert from %0 to %1">; def err_bad_dynamic_cast_not_polymorphic : Error<"%0 is not polymorphic">; // Other C++ expressions def err_need_header_before_typeid : Error< "you need to include before using the 'typeid' operator">; def err_need_header_before_ms_uuidof : Error< "you need to include before using the '__uuidof' operator">; def err_ms___leave_not_in___try : Error< "'__leave' statement not in __try block">; def err_uuidof_without_guid : Error< "cannot call operator __uuidof on a type with no GUID">; def err_uuidof_with_multiple_guids : Error< "cannot call operator __uuidof on a type with multiple GUIDs">; def err_incomplete_typeid : Error<"'typeid' of incomplete type %0">; def err_variably_modified_typeid : Error<"'typeid' of variably modified type %0">; def err_static_illegal_in_new : Error< "the 'static' modifier for the array size is not legal in new expressions">; def err_array_new_needs_size : Error< "array size must be specified in new expression with no initializer">; def err_bad_new_type : Error< "cannot allocate %select{function|reference}1 type %0 with new">; def err_new_incomplete_or_sizeless_type : Error< "allocation of %select{incomplete|sizeless}0 type %1">; def err_new_array_nonconst : Error< "only the first dimension of an allocated array may have dynamic size">; def err_new_array_size_unknown_from_init : Error< "cannot determine allocated array size from initializer">; def err_new_array_init_args : Error< "array 'new' cannot have initialization arguments">; def ext_new_paren_array_nonconst : ExtWarn< "when type is in parentheses, array cannot have dynamic size">; def err_placement_new_non_placement_delete : Error< "'new' expression with placement arguments refers to non-placement " "'operator delete'">; def err_array_size_not_integral : Error< "array size expression must have integral or %select{|unscoped }0" "enumeration type, not %1">; def err_array_size_incomplete_type : Error< "array size expression has incomplete class type %0">; def err_array_size_explicit_conversion : Error< "array size expression of type %0 requires explicit conversion to type %1">; def note_array_size_conversion : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_array_size_ambiguous_conversion : Error< "ambiguous conversion of array size expression of type %0 to an integral or " "enumeration type">; def ext_array_size_conversion : Extension< "implicit conversion from array size expression of type %0 to " "%select{integral|enumeration}1 type %2 is a C++11 extension">, InGroup; def warn_cxx98_compat_array_size_conversion : Warning< "implicit conversion from array size expression of type %0 to " "%select{integral|enumeration}1 type %2 is incompatible with C++98">, InGroup, DefaultIgnore; def err_address_space_qualified_new : Error< "'new' cannot allocate objects of type %0 in address space '%1'">; def err_address_space_qualified_delete : Error< "'delete' cannot delete objects of type %0 in address space '%1'">; def err_default_init_const : Error< "default initialization of an object of const type %0" "%select{| without a user-provided default constructor}1">; def ext_default_init_const : ExtWarn< "default initialization of an object of const type %0" "%select{| without a user-provided default constructor}1 " "is a Microsoft extension">, InGroup; def err_delete_operand : Error<"cannot delete expression of type %0">; def ext_delete_void_ptr_operand : ExtWarn< "cannot delete expression with pointer-to-'void' type %0">, InGroup; def err_ambiguous_delete_operand : Error< "ambiguous conversion of delete expression of type %0 to a pointer">; def warn_delete_incomplete : Warning< "deleting pointer to incomplete type %0 may cause undefined behavior">, InGroup; def err_delete_incomplete_class_type : Error< "deleting incomplete class type %0; no conversions to pointer type">; def err_delete_explicit_conversion : Error< "converting delete expression from type %0 to type %1 invokes an explicit " "conversion function">; def note_delete_conversion : Note<"conversion to pointer type %0">; def warn_delete_array_type : Warning< "'delete' applied to a pointer-to-array type %0 treated as 'delete[]'">; def warn_mismatched_delete_new : Warning< "'delete%select{|[]}0' applied to a pointer that was allocated with " "'new%select{[]|}0'; did you mean 'delete%select{[]|}0'?">, InGroup>; def note_allocated_here : Note<"allocated with 'new%select{[]|}0' here">; def err_no_suitable_delete_member_function_found : Error< "no suitable member %0 in %1">; def err_ambiguous_suitable_delete_member_function_found : Error< "multiple suitable %0 functions in %1">; def warn_ambiguous_suitable_delete_function_found : Warning< "multiple suitable %0 functions for %1; no 'operator delete' function " "will be invoked if initialization throws an exception">, InGroup>; def note_member_declared_here : Note< "member %0 declared here">; def note_member_first_declared_here : Note< "member %0 first declared here">; def warn_bitwise_negation_bool : Warning< "bitwise negation of a boolean expression%select{;| always evaluates to 'true';}0 " "did you mean logical negation?">, InGroup>; def err_decrement_bool : Error<"cannot decrement expression of type bool">; def warn_increment_bool : Warning< "incrementing expression of type bool is deprecated and " "incompatible with C++17">, InGroup; def ext_increment_bool : ExtWarn< "ISO C++17 does not allow incrementing expression of type bool">, DefaultError, InGroup; def err_increment_decrement_enum : Error< "cannot %select{decrement|increment}0 expression of enum type %1">; def warn_deprecated_increment_decrement_volatile : Warning< "%select{decrement|increment}0 of object of volatile-qualified type %1 " "is deprecated">, InGroup; def warn_deprecated_simple_assign_volatile : Warning< "use of result of assignment to object of volatile-qualified type %0 " "is deprecated">, InGroup; def warn_deprecated_compound_assign_volatile : Warning< "compound assignment to object of volatile-qualified type %0 is deprecated">, InGroup; def warn_deprecated_volatile_return : Warning< "volatile-qualified return type %0 is deprecated">, InGroup; def warn_deprecated_volatile_param : Warning< "volatile-qualified parameter type %0 is deprecated">, InGroup; def warn_deprecated_volatile_structured_binding : Warning< "volatile qualifier in structured binding declaration is deprecated">, InGroup; def err_catch_incomplete_ptr : Error< "cannot catch pointer to incomplete type %0">; def err_catch_incomplete_ref : Error< "cannot catch reference to incomplete type %0">; def err_catch_incomplete : Error<"cannot catch incomplete type %0">; def err_catch_sizeless : Error< "cannot catch %select{|reference to }0sizeless type %1">; def err_catch_rvalue_ref : Error<"cannot catch exceptions by rvalue reference">; def err_catch_variably_modified : Error< "cannot catch variably modified type %0">; def err_qualified_catch_declarator : Error< "exception declarator cannot be qualified">; def err_early_catch_all : Error<"catch-all handler must come last">; def err_bad_memptr_rhs : Error< "right hand operand to %0 has non-pointer-to-member type %1">; def err_bad_memptr_lhs : Error< "left hand operand to %0 must be a %select{|pointer to }1class " "compatible with the right hand operand, but is %2">; def err_memptr_incomplete : Error< "member pointer has incomplete base type %0">; def warn_exception_caught_by_earlier_handler : Warning< "exception of type %0 will be caught by earlier handler">, InGroup; def note_previous_exception_handler : Note<"for type %0">; def err_exceptions_disabled : Error< "cannot use '%0' with exceptions disabled">; def err_objc_exceptions_disabled : Error< "cannot use '%0' with Objective-C exceptions disabled">; def warn_throw_in_noexcept_func : Warning< "%0 has a non-throwing exception specification but can still throw">, InGroup; def note_throw_in_dtor : Note< "%select{destructor|deallocator}0 has a %select{non-throwing|implicit " "non-throwing}1 exception specification">; def note_throw_in_function : Note<"function declared non-throwing here">; def err_seh_try_outside_functions : Error< "cannot use SEH '__try' in blocks, captured regions, or Obj-C method decls">; def err_mixing_cxx_try_seh_try : Error< "cannot use C++ 'try' in the same function as SEH '__try'">; def err_seh_try_unsupported : Error< "SEH '__try' is not supported on this target">; def note_conflicting_try_here : Note< "conflicting %0 here">; def warn_jump_out_of_seh_finally : Warning< "jump out of __finally block has undefined behavior">, InGroup>; def warn_non_virtual_dtor : Warning< "%0 has virtual functions but non-virtual destructor">, InGroup, DefaultIgnore; def warn_delete_non_virtual_dtor : Warning< "%select{delete|destructor}0 called on non-final %1 that has " "virtual functions but non-virtual destructor">, InGroup, DefaultIgnore, ShowInSystemHeader; def note_delete_non_virtual : Note< "qualify call to silence this warning">; def warn_delete_abstract_non_virtual_dtor : Warning< "%select{delete|destructor}0 called on %1 that is abstract but has " "non-virtual destructor">, InGroup, ShowInSystemHeader; def warn_overloaded_virtual : Warning< "%q0 hides overloaded virtual %select{function|functions}1">, InGroup, DefaultIgnore; def note_hidden_overloaded_virtual_declared_here : Note< "hidden overloaded virtual function %q0 declared here" "%select{|: different classes%diff{ ($ vs $)|}2,3" "|: different number of parameters (%2 vs %3)" "|: type mismatch at %ordinal2 parameter%diff{ ($ vs $)|}3,4" "|: different return type%diff{ ($ vs $)|}2,3" "|: different qualifiers (%2 vs %3)" "|: different exception specifications}1">; def warn_using_directive_in_header : Warning< "using namespace directive in global context in header">, InGroup, DefaultIgnore; def warn_overaligned_type : Warning< "type %0 requires %1 bytes of alignment and the default allocator only " "guarantees %2 bytes">, InGroup, DefaultIgnore; def err_aligned_allocation_unavailable : Error< "aligned %select{allocation|deallocation}0 function of type '%1' is only " "available on %2 %3 or newer">; def note_silence_aligned_allocation_unavailable : Note< "if you supply your own aligned allocation functions, use " "-faligned-allocation to silence this diagnostic">; def err_conditional_void_nonvoid : Error< "%select{left|right}1 operand to ? is void, but %select{right|left}1 operand " "is of type %0">; def err_conditional_ambiguous : Error< "conditional expression is ambiguous; " "%diff{$ can be converted to $ and vice versa|" "types can be convert to each other}0,1">; def err_conditional_ambiguous_ovl : Error< "conditional expression is ambiguous; %diff{$ and $|types}0,1 " "can be converted to several common types">; def err_conditional_vector_size : Error< "vector condition type %0 and result type %1 do not have the same number " "of elements">; def err_conditional_vector_element_size : Error< "vector condition type %0 and result type %1 do not have elements of the " "same size">; def err_conditional_vector_has_void : Error< "GNU vector conditional operand cannot be %select{void|a throw expression}0">; def err_conditional_vector_operand_type : Error<"%select{enumeration|extended vector}0 type %1 is not allowed in a " "vector conditional">; def err_conditional_vector_mismatched_vectors : Error<"vector operands to the vector conditional must be the same type " "%diff{($ and $)|}0,1}">; def err_throw_incomplete : Error< "cannot throw object of incomplete type %0">; def err_throw_incomplete_ptr : Error< "cannot throw pointer to object of incomplete type %0">; def err_throw_sizeless : Error< "cannot throw object of sizeless type %0">; def warn_throw_underaligned_obj : Warning< "underaligned exception object thrown">, InGroup; def note_throw_underaligned_obj : Note< "required alignment of type %0 (%1 bytes) is larger than the supported " "alignment of C++ exception objects on this target (%2 bytes)">; def err_return_in_constructor_handler : Error< "return in the catch of a function try block of a constructor is illegal">; def warn_cdtor_function_try_handler_mem_expr : Warning< "cannot refer to a non-static member from the handler of a " "%select{constructor|destructor}0 function try block">, InGroup; let CategoryName = "Lambda Issue" in { def err_capture_more_than_once : Error< "%0 can appear only once in a capture list">; def err_reference_capture_with_reference_default : Error< "'&' cannot precede a capture when the capture default is '&'">; def err_copy_capture_with_copy_default : Error< "'&' must precede a capture when the capture default is '='">; def err_capture_does_not_name_variable : Error< "%0 in capture list does not name a variable">; def err_capture_non_automatic_variable : Error< "%0 cannot be captured because it does not have automatic storage " "duration">; def err_this_capture : Error< "'this' cannot be %select{implicitly |}0captured in this context">; def err_lambda_capture_anonymous_var : Error< "unnamed variable cannot be implicitly captured in a lambda expression">; def err_lambda_capture_flexarray_type : Error< "variable %0 with flexible array member cannot be captured in " "a lambda expression">; def err_lambda_impcap : Error< "variable %0 cannot be implicitly captured in a lambda with no " "capture-default specified">; def note_lambda_decl : Note<"lambda expression begins here">; def err_lambda_unevaluated_operand : Error< "lambda expression in an unevaluated operand">; def err_lambda_in_constant_expression : Error< "a lambda expression may not appear inside of a constant expression">; def err_lambda_in_invalid_context : Error< "a lambda expression cannot appear in this context">; def err_lambda_return_init_list : Error< "cannot deduce lambda return type from initializer list">; def err_lambda_capture_default_arg : Error< "lambda expression in default argument cannot capture any entity">; def err_lambda_incomplete_result : Error< "incomplete result type %0 in lambda expression">; def err_noreturn_lambda_has_return_expr : Error< "lambda declared 'noreturn' should not return">; def warn_maybe_falloff_nonvoid_lambda : Warning< "non-void lambda does not return a value in all control paths">, InGroup; def warn_falloff_nonvoid_lambda : Warning< "non-void lambda does not return a value">, InGroup; def err_access_lambda_capture : Error< // The ERRORs represent other special members that aren't constructors, in // hopes that someone will bother noticing and reporting if they appear "capture of variable '%0' as type %1 calls %select{private|protected}3 " "%select{default |copy |move |*ERROR* |*ERROR* |*ERROR* |}2constructor">, AccessControl; def note_lambda_to_block_conv : Note< "implicit capture of lambda object due to conversion to block pointer " "here">; def note_var_explicitly_captured_here : Note<"variable %0 is" "%select{| explicitly}1 captured here">; // C++14 lambda init-captures. def warn_cxx11_compat_init_capture : Warning< "initialized lambda captures are incompatible with C++ standards " "before C++14">, InGroup, DefaultIgnore; def ext_init_capture : ExtWarn< "initialized lambda captures are a C++14 extension">, InGroup; def err_init_capture_no_expression : Error< "initializer missing for lambda capture %0">; def err_init_capture_multiple_expressions : Error< "initializer for lambda capture %0 contains multiple expressions">; def err_init_capture_paren_braces : Error< "cannot deduce type for lambda capture %1 from " "%select{parenthesized|nested}0 initializer list">; def err_init_capture_deduction_failure : Error< "cannot deduce type for lambda capture %0 from initializer of type %2">; def err_init_capture_deduction_failure_from_init_list : Error< "cannot deduce type for lambda capture %0 from initializer list">; def warn_cxx17_compat_init_capture_pack : Warning< "initialized lambda capture packs are incompatible with C++ standards " "before C++20">, InGroup, DefaultIgnore; def ext_init_capture_pack : ExtWarn< "initialized lambda pack captures are a C++20 extension">, InGroup; // C++14 generic lambdas. def warn_cxx11_compat_generic_lambda : Warning< "generic lambdas are incompatible with C++11">, InGroup, DefaultIgnore; // C++17 '*this' captures. def warn_cxx14_compat_star_this_lambda_capture : Warning< "by value capture of '*this' is incompatible with C++ standards before C++17">, InGroup, DefaultIgnore; def ext_star_this_lambda_capture_cxx17 : ExtWarn< "capture of '*this' by copy is a C++17 extension">, InGroup; // C++17 parameter shadows capture def err_parameter_shadow_capture : Error< "a lambda parameter cannot shadow an explicitly captured entity">; // C++20 [=, this] captures. def warn_cxx17_compat_equals_this_lambda_capture : Warning< "explicit capture of 'this' with a capture default of '=' is incompatible " "with C++ standards before C++20">, InGroup, DefaultIgnore; def ext_equals_this_lambda_capture_cxx20 : ExtWarn< "explicit capture of 'this' with a capture default of '=' " "is a C++20 extension">, InGroup; def warn_deprecated_this_capture : Warning< "implicit capture of 'this' with a capture default of '=' is deprecated">, InGroup, DefaultIgnore; def note_deprecated_this_capture : Note< "add an explicit capture of 'this' to capture '*this' by reference">; // C++20 default constructible / assignable lambdas. def warn_cxx17_compat_lambda_def_ctor_assign : Warning< "%select{default construction|assignment}0 of lambda is incompatible with " "C++ standards before C++20">, InGroup, DefaultIgnore; } def err_return_in_captured_stmt : Error< "cannot return from %0">; def err_capture_block_variable : Error< "__block variable %0 cannot be captured in a " "%select{lambda expression|captured statement}1">; def err_operator_arrow_circular : Error< "circular pointer delegation detected">; def err_operator_arrow_depth_exceeded : Error< "use of 'operator->' on type %0 would invoke a sequence of more than %1 " "'operator->' calls">; def note_operator_arrow_here : Note< "'operator->' declared here produces an object of type %0">; def note_operator_arrows_suppressed : Note< "(skipping %0 'operator->'%s0 in backtrace)">; def note_operator_arrow_depth : Note< "use -foperator-arrow-depth=N to increase 'operator->' limit">; def err_pseudo_dtor_base_not_scalar : Error< "object expression of non-scalar type %0 cannot be used in a " "pseudo-destructor expression">; def ext_pseudo_dtor_on_void : ExtWarn< "pseudo-destructors on type void are a Microsoft extension">, InGroup; def err_pseudo_dtor_type_mismatch : Error< "the type of object expression " "%diff{($) does not match the type being destroyed ($)|" "does not match the type being destroyed}0,1 " "in pseudo-destructor expression">; def err_pseudo_dtor_call_with_args : Error< "call to pseudo-destructor cannot have any arguments">; def err_dtor_expr_without_call : Error< "reference to %select{destructor|pseudo-destructor}0 must be called" "%select{|; did you mean to call it with no arguments?}1">; def err_pseudo_dtor_destructor_non_type : Error< "%0 does not refer to a type name in pseudo-destructor expression; expected " "the name of type %1">; def err_invalid_use_of_function_type : Error< "a function type is not allowed here">; def err_invalid_use_of_array_type : Error<"an array type is not allowed here">; def err_typecheck_bool_condition : Error< "value of type %0 is not contextually convertible to 'bool'">; def err_typecheck_ambiguous_condition : Error< "conversion %diff{from $ to $|between types}0,1 is ambiguous">; def err_typecheck_nonviable_condition : Error< "no viable conversion%select{%diff{ from $ to $|}1,2|" "%diff{ from returned value of type $ to function return type $|}1,2}0">; def err_typecheck_nonviable_condition_incomplete : Error< "no viable conversion%diff{ from $ to incomplete type $|}0,1">; def err_typecheck_deleted_function : Error< "conversion function %diff{from $ to $|between types}0,1 " "invokes a deleted function">; def err_expected_class_or_namespace : Error<"%0 is not a class" "%select{ or namespace|, namespace, or enumeration}1">; def err_invalid_declarator_scope : Error<"cannot define or redeclare %0 here " "because namespace %1 does not enclose namespace %2">; def err_invalid_declarator_global_scope : Error< "definition or redeclaration of %0 cannot name the global scope">; def err_invalid_declarator_in_function : Error< "definition or redeclaration of %0 not allowed inside a function">; def err_invalid_declarator_in_block : Error< "definition or redeclaration of %0 not allowed inside a block">; def err_not_tag_in_scope : Error< "no %select{struct|interface|union|class|enum}0 named %1 in %2">; def err_no_typeid_with_fno_rtti : Error< "use of typeid requires -frtti">; def err_no_dynamic_cast_with_fno_rtti : Error< "use of dynamic_cast requires -frtti">; def err_cannot_form_pointer_to_member_of_reference_type : Error< "cannot form a pointer-to-member to member %0 of reference type %1">; def err_incomplete_object_call : Error< "incomplete type in call to object of type %0">; def warn_condition_is_assignment : Warning<"using the result of an " "assignment as a condition without parentheses">, InGroup; // Completely identical except off by default. def warn_condition_is_idiomatic_assignment : Warning<"using the result " "of an assignment as a condition without parentheses">, InGroup>, DefaultIgnore; def note_condition_assign_to_comparison : Note< "use '==' to turn this assignment into an equality comparison">; def note_condition_or_assign_to_comparison : Note< "use '!=' to turn this compound assignment into an inequality comparison">; def note_condition_assign_silence : Note< "place parentheses around the assignment to silence this warning">; def warn_equality_with_extra_parens : Warning<"equality comparison with " "extraneous parentheses">, InGroup; def note_equality_comparison_to_assign : Note< "use '=' to turn this equality comparison into an assignment">; def note_equality_comparison_silence : Note< "remove extraneous parentheses around the comparison to silence this warning">; // assignment related diagnostics (also for argument passing, returning, etc). // In most of these diagnostics the %2 is a value from the // Sema::AssignmentAction enumeration def err_typecheck_convert_incompatible : Error< "%select{%diff{assigning to $ from incompatible type $|" "assigning to type from incompatible type}0,1" "|%diff{passing $ to parameter of incompatible type $|" "passing type to parameter of incompatible type}0,1" "|%diff{returning $ from a function with incompatible result type $|" "returning type from a function with incompatible result type}0,1" "|%diff{converting $ to incompatible type $|" "converting type to incompatible type}0,1" "|%diff{initializing $ with an expression of incompatible type $|" "initializing type with an expression of incompatible type}0,1" "|%diff{sending $ to parameter of incompatible type $|" "sending type to parameter of incompatible type}0,1" "|%diff{casting $ to incompatible type $|" "casting type to incompatible type}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3" "%select{|: different classes%diff{ ($ vs $)|}5,6" "|: different number of parameters (%5 vs %6)" "|: type mismatch at %ordinal5 parameter%diff{ ($ vs $)|}6,7" "|: different return type%diff{ ($ vs $)|}5,6" "|: different qualifiers (%5 vs %6)" "|: different exception specifications}4">; def err_typecheck_missing_return_type_incompatible : Error< "%diff{return type $ must match previous return type $|" "return type must match previous return type}0,1 when %select{block " "literal|lambda expression}2 has unspecified explicit return type">; def note_incomplete_class_and_qualified_id : Note< "conformance of forward class %0 to protocol %1 can not be confirmed">; def warn_incompatible_qualified_id : Warning< "%select{%diff{assigning to $ from incompatible type $|" "assigning to type from incompatible type}0,1" "|%diff{passing $ to parameter of incompatible type $|" "passing type to parameter of incompatible type}0,1" "|%diff{returning $ from a function with incompatible result type $|" "returning type from a function with incompatible result type}0,1" "|%diff{converting $ to incompatible type $|" "converting type to incompatible type}0,1" "|%diff{initializing $ with an expression of incompatible type $|" "initializing type with an expression of incompatible type}0,1" "|%diff{sending $ to parameter of incompatible type $|" "sending type to parameter of incompatible type}0,1" "|%diff{casting $ to incompatible type $|" "casting type to incompatible type}0,1}2">; def err_incompatible_qualified_id : Error< "%select{%diff{assigning to $ from incompatible type $|" "assigning to type from incompatible type}0,1" "|%diff{passing $ to parameter of incompatible type $|" "passing type to parameter of incompatible type}0,1" "|%diff{returning $ from a function with incompatible result type $|" "returning type from a function with incompatible result type}0,1" "|%diff{converting $ to incompatible type $|" "converting type to incompatible type}0,1" "|%diff{initializing $ with an expression of incompatible type $|" "initializing type with an expression of incompatible type}0,1" "|%diff{sending $ to parameter of incompatible type $|" "sending type to parameter of incompatible type}0,1" "|%diff{casting $ to incompatible type $|" "casting type to incompatible type}0,1}2">; def ext_typecheck_convert_pointer_int : ExtWarn< "incompatible pointer to integer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def err_typecheck_convert_pointer_int : Error< "incompatible pointer to integer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">; def ext_typecheck_convert_int_pointer : ExtWarn< "incompatible integer to pointer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup, SFINAEFailure; def err_typecheck_convert_int_pointer : Error< "incompatible integer to pointer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">; def ext_typecheck_convert_pointer_void_func : Extension< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between void pointer and function pointer">; def err_typecheck_convert_pointer_void_func : Error< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between void pointer and function pointer">; def ext_typecheck_convert_incompatible_pointer_sign : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between pointers to integer types with different sign">, InGroup>; def err_typecheck_convert_incompatible_pointer_sign : Error< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " converts between pointers to integer types with different sign">; def ext_typecheck_convert_incompatible_pointer : ExtWarn< "incompatible pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def err_typecheck_convert_incompatible_pointer : Error< "incompatible pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">; def ext_typecheck_convert_incompatible_function_pointer : ExtWarn< "incompatible function pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">, InGroup; def err_typecheck_convert_incompatible_function_pointer : Error< "incompatible function pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" "%select{|; dereference with *|" "; take the address with &|" "; remove *|" "; remove &}3">; def ext_typecheck_convert_discards_qualifiers : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers">, InGroup; def err_typecheck_convert_discards_qualifiers : Error< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers">; def ext_nested_pointer_qualifier_mismatch : ExtWarn< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers in nested pointer types">, InGroup; def err_nested_pointer_qualifier_mismatch : Error< "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " discards qualifiers in nested pointer types">; def warn_incompatible_vectors : Warning< "incompatible vector types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">, InGroup, DefaultIgnore; def err_incompatible_vectors : Error< "incompatible vector types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">; def err_int_to_block_pointer : Error< "invalid block pointer conversion " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">; def err_typecheck_convert_incompatible_block_pointer : Error< "incompatible block pointer types " "%select{%diff{assigning to $ from $|assigning to different types}0,1" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2">; def err_typecheck_incompatible_address_space : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes address space of pointer">; def err_typecheck_incompatible_nested_address_space : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes address space of nested pointer">; def err_typecheck_incompatible_ownership : Error< "%select{%diff{assigning $ to $|assigning to different types}1,0" "|%diff{passing $ to parameter of type $|" "passing to parameter of different type}0,1" "|%diff{returning $ from a function with result type $|" "returning from function with different return type}0,1" "|%diff{converting $ to type $|converting between types}0,1" "|%diff{initializing $ with an expression of type $|" "initializing with expression of different type}0,1" "|%diff{sending $ to parameter of type $|" "sending to parameter of different type}0,1" "|%diff{casting $ to type $|casting between types}0,1}2" " changes retain/release properties of pointer">; def err_typecheck_comparison_of_distinct_blocks : Error< "comparison of distinct block types%diff{ ($ and $)|}0,1">; def err_typecheck_array_not_modifiable_lvalue : Error< "array type %0 is not assignable">; def err_typecheck_non_object_not_modifiable_lvalue : Error< "non-object type %0 is not assignable">; def err_typecheck_expression_not_modifiable_lvalue : Error< "expression is not assignable">; def err_typecheck_incomplete_type_not_modifiable_lvalue : Error< "incomplete type %0 is not assignable">; def err_typecheck_lvalue_casts_not_supported : Error< "assignment to cast is illegal, lvalue casts are not supported">; def err_typecheck_duplicate_vector_components_not_mlvalue : Error< "vector is not assignable (contains duplicate components)">; def err_block_decl_ref_not_modifiable_lvalue : Error< "variable is not assignable (missing __block type specifier)">; def err_lambda_decl_ref_not_modifiable_lvalue : Error< "cannot assign to a variable captured by copy in a non-mutable lambda">; def err_typecheck_call_not_function : Error< "called object type %0 is not a function or function pointer">; def err_call_incomplete_return : Error< "calling function with incomplete return type %0">; def err_call_function_incomplete_return : Error< "calling %0 with incomplete return type %1">; def err_call_incomplete_argument : Error< "argument type %0 is incomplete">; def err_typecheck_call_too_few_args : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2">; def err_typecheck_call_too_few_args_one : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "single argument %1 was not specified">; def err_typecheck_call_too_few_args_at_least : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at least %1, have %2">; def err_typecheck_call_too_few_args_at_least_one : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "at least argument %1 must be specified">; def err_typecheck_call_too_few_args_suggest : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2; did you mean %3?">; def err_typecheck_call_too_few_args_at_least_suggest : Error< "too few %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at least %1, have %2; did you mean %3?">; def err_typecheck_call_too_many_args : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2">; def err_typecheck_call_too_many_args_one : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected single argument %1, have %2 arguments">; def err_typecheck_call_too_many_args_at_most : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most %1, have %2">; def err_typecheck_call_too_many_args_at_most_one : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most single argument %1, have %2 arguments">; def err_typecheck_call_too_many_args_suggest : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected %1, have %2; did you mean %3?">; def err_typecheck_call_too_many_args_at_most_suggest : Error< "too many %select{|||execution configuration }0arguments to " "%select{function|block|method|kernel function}0 call, " "expected at most %1, have %2; did you mean %3?">; def err_arc_typecheck_convert_incompatible_pointer : Error< "incompatible pointer types passing retainable parameter of type %0" "to a CF function expecting %1 type">; def err_builtin_fn_use : Error<"builtin functions must be directly called">; def warn_call_wrong_number_of_arguments : Warning< "too %select{few|many}0 arguments in call to %1">; def err_atomic_builtin_must_be_pointer : Error< "address argument to atomic builtin must be a pointer (%0 invalid)">; def err_atomic_builtin_must_be_pointer_intptr : Error< "address argument to atomic builtin must be a pointer to integer or pointer" " (%0 invalid)">; def err_atomic_builtin_cannot_be_const : Error< "address argument to atomic builtin cannot be const-qualified (%0 invalid)">; def err_atomic_builtin_must_be_pointer_intfltptr : Error< "address argument to atomic builtin must be a pointer to integer," " floating-point or pointer (%0 invalid)">; def err_atomic_builtin_pointer_size : Error< "address argument to atomic builtin must be a pointer to 1,2,4,8 or 16 byte " "type (%0 invalid)">; def err_atomic_exclusive_builtin_pointer_size : Error< "address argument to load or store exclusive builtin must be a pointer to" " 1,2,4 or 8 byte type (%0 invalid)">; def err_atomic_op_needs_atomic : Error< "address argument to atomic operation must be a pointer to _Atomic " "type (%0 invalid)">; def err_atomic_op_needs_non_const_atomic : Error< "address argument to atomic operation must be a pointer to non-%select{const|constant}0 _Atomic " "type (%1 invalid)">; def err_atomic_op_needs_non_const_pointer : Error< "address argument to atomic operation must be a pointer to non-const " "type (%0 invalid)">; def err_atomic_op_needs_trivial_copy : Error< "address argument to atomic operation must be a pointer to a " "trivially-copyable type (%0 invalid)">; def err_atomic_op_needs_atomic_int_or_ptr : Error< "address argument to atomic operation must be a pointer to %select{|atomic }0" "integer or pointer (%1 invalid)">; def err_atomic_op_needs_atomic_int : Error< "address argument to atomic operation must be a pointer to " "%select{|atomic }0integer (%1 invalid)">; def warn_atomic_op_has_invalid_memory_order : Warning< "memory order argument to atomic operation is invalid">, InGroup>; def err_atomic_op_has_invalid_synch_scope : Error< "synchronization scope argument to atomic operation is invalid">; def warn_atomic_implicit_seq_cst : Warning< "implicit use of sequentially-consistent atomic may incur stronger memory barriers than necessary">, InGroup>, DefaultIgnore; def err_overflow_builtin_must_be_int : Error< "operand argument to overflow builtin must be an integer (%0 invalid)">; def err_overflow_builtin_must_be_ptr_int : Error< "result argument to overflow builtin must be a pointer " "to a non-const integer (%0 invalid)">; def err_overflow_builtin_ext_int_max_size : Error< "__builtin_mul_overflow does not support signed _ExtInt operands of more " "than %0 bits">; def err_atomic_load_store_uses_lib : Error< "atomic %select{load|store}0 requires runtime support that is not " "available for this target">; def err_nontemporal_builtin_must_be_pointer : Error< "address argument to nontemporal builtin must be a pointer (%0 invalid)">; def err_nontemporal_builtin_must_be_pointer_intfltptr_or_vector : Error< "address argument to nontemporal builtin must be a pointer to integer, float, " "pointer, or a vector of such types (%0 invalid)">; def err_deleted_function_use : Error<"attempt to use a deleted function">; def err_deleted_inherited_ctor_use : Error< "constructor inherited by %0 from base class %1 is implicitly deleted">; def note_called_by : Note<"called by %0">; def err_kern_type_not_void_return : Error< "kernel function type %0 must have void return type">; def err_kern_is_nonstatic_method : Error< "kernel function %0 must be a free function or static member function">; def err_config_scalar_return : Error< "CUDA special function '%0' must have scalar return type">; def err_kern_call_not_global_function : Error< "kernel call to non-global function %0">; def err_global_call_not_config : Error< "call to global function %0 not configured">; def err_ref_bad_target : Error< "reference to %select{__device__|__global__|__host__|__host__ __device__}0 " "function %1 in %select{__device__|__global__|__host__|__host__ __device__}2 function">; def err_ref_bad_target_global_initializer : Error< "reference to %select{__device__|__global__|__host__|__host__ __device__}0 " "function %1 in global initializer">; def warn_kern_is_method : Extension< "kernel function %0 is a member function; this may not be accepted by nvcc">, InGroup; def warn_kern_is_inline : Warning< "ignored 'inline' attribute on kernel function %0">, InGroup; def err_variadic_device_fn : Error< "CUDA device code does not support variadic functions">; def err_va_arg_in_device : Error< "CUDA device code does not support va_arg">; def err_alias_not_supported_on_nvptx : Error<"CUDA does not support aliases">; def err_cuda_unattributed_constexpr_cannot_overload_device : Error< "constexpr function %0 without __host__ or __device__ attributes cannot " "overload __device__ function with same signature. Add a __host__ " "attribute, or build with -fno-cuda-host-device-constexpr.">; def note_cuda_conflicting_device_function_declared_here : Note< "conflicting __device__ function declared here">; def err_cuda_device_exceptions : Error< "cannot use '%0' in " "%select{__device__|__global__|__host__|__host__ __device__}1 function">; def err_dynamic_var_init : Error< "dynamic initialization is not supported for " "__device__, __constant__, and __shared__ variables.">; def err_shared_var_init : Error< "initialization is not supported for __shared__ variables.">; def err_device_static_local_var : Error< "within a %select{__device__|__global__|__host__|__host__ __device__}0 " "function, only __shared__ variables or const variables without device " "memory qualifier may be marked 'static'">; def err_cuda_vla : Error< "cannot use variable-length arrays in " "%select{__device__|__global__|__host__|__host__ __device__}0 functions">; def err_cuda_extern_shared : Error<"__shared__ variable %0 cannot be 'extern'">; def err_cuda_host_shared : Error< "__shared__ local variables not allowed in " "%select{__device__|__global__|__host__|__host__ __device__}0 functions">; def err_cuda_nonglobal_constant : Error<"__constant__ variables must be global">; def err_cuda_ovl_target : Error< "%select{__device__|__global__|__host__|__host__ __device__}0 function %1 " "cannot overload %select{__device__|__global__|__host__|__host__ __device__}2 function %3">; def note_cuda_ovl_candidate_target_mismatch : Note< "candidate template ignored: target attributes do not match">; def err_cuda_device_builtin_surftex_cls_template : Error< "illegal device builtin %select{surface|texture}0 reference " "class template %1 declared here">; def note_cuda_device_builtin_surftex_cls_should_have_n_args : Note< "%0 needs to have exactly %1 template parameters">; def note_cuda_device_builtin_surftex_cls_should_have_match_arg : Note< "the %select{1st|2nd|3rd}1 template parameter of %0 needs to be " "%select{a type|an integer or enum value}2">; def err_cuda_device_builtin_surftex_ref_decl : Error< "illegal device builtin %select{surface|texture}0 reference " "type %1 declared here">; def note_cuda_device_builtin_surftex_should_be_template_class : Note< "%0 needs to be instantiated from a class template with proper " "template arguments">; def warn_non_pod_vararg_with_format_string : Warning< "cannot pass %select{non-POD|non-trivial}0 object of type %1 to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">, InGroup, DefaultError; // The arguments to this diagnostic should match the warning above. def err_cannot_pass_objc_interface_to_vararg_format : Error< "cannot pass object with interface type %1 by value to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">; def err_cannot_pass_non_trivial_c_struct_to_vararg : Error< "cannot pass non-trivial C object of type %0 by value to variadic " "%select{function|block|method|constructor}1">; def err_cannot_pass_objc_interface_to_vararg : Error< "cannot pass object with interface type %0 by value through variadic " "%select{function|block|method|constructor}1">; def warn_cannot_pass_non_pod_arg_to_vararg : Warning< "cannot pass object of %select{non-POD|non-trivial}0 type %1 through variadic" " %select{function|block|method|constructor}2; call will abort at runtime">, InGroup, DefaultError; def warn_cxx98_compat_pass_non_pod_arg_to_vararg : Warning< "passing object of trivial but non-POD type %0 through variadic" " %select{function|block|method|constructor}1 is incompatible with C++98">, InGroup, DefaultIgnore; def warn_pass_class_arg_to_vararg : Warning< "passing object of class type %0 through variadic " "%select{function|block|method|constructor}1" "%select{|; did you mean to call '%3'?}2">, InGroup, DefaultIgnore; def err_cannot_pass_to_vararg : Error< "cannot pass %select{expression of type %1|initializer list}0 to variadic " "%select{function|block|method|constructor}2">; def err_cannot_pass_to_vararg_format : Error< "cannot pass %select{expression of type %1|initializer list}0 to variadic " "%select{function|block|method|constructor}2; expected type from format " "string was %3">; def err_typecheck_call_invalid_ordered_compare : Error< "ordered compare requires two args of floating point type" "%diff{ ($ and $)|}0,1">; def err_typecheck_call_invalid_unary_fp : Error< "floating point classification requires argument of floating point type " "(passed in %0)">; def err_typecheck_cond_expect_int_float : Error< "used type %0 where integer or floating point type is required">; def err_typecheck_cond_expect_scalar : Error< "used type %0 where arithmetic or pointer type is required">; def err_typecheck_cond_expect_nonfloat : Error< "used type %0 where floating point type is not allowed">; def ext_typecheck_cond_one_void : Extension< "C99 forbids conditional expressions with only one void side">; def err_typecheck_cast_to_incomplete : Error< "cast to incomplete type %0">; def ext_typecheck_cast_nonscalar : Extension< "C99 forbids casting nonscalar type %0 to the same type">; def ext_typecheck_cast_to_union : Extension< "cast to union type is a GNU extension">, InGroup; def err_typecheck_cast_to_union_no_type : Error< "cast to union type from type %0 not present in union">; def err_cast_pointer_from_non_pointer_int : Error< "operand of type %0 cannot be cast to a pointer type">; def warn_cast_pointer_from_sel : Warning< "cast of type %0 to %1 is deprecated; use sel_getName instead">, InGroup; def warn_function_def_in_objc_container : Warning< "function definition inside an Objective-C container is deprecated">, InGroup; def warn_cast_calling_conv : Warning< "cast between incompatible calling conventions '%0' and '%1'; " "calls through this pointer may abort at runtime">, InGroup>; def note_change_calling_conv_fixit : Note< "consider defining %0 with the '%1' calling convention">; def warn_bad_function_cast : Warning< "cast from function call of type %0 to non-matching type %1">, InGroup, DefaultIgnore; def err_cast_pointer_to_non_pointer_int : Error< "pointer cannot be cast to type %0">; def err_cast_to_bfloat16 : Error<"cannot type-cast to __bf16">; def err_cast_from_bfloat16 : Error<"cannot type-cast from __bf16">; def err_typecheck_expect_scalar_operand : Error< "operand of type %0 where arithmetic or pointer type is required">; def err_typecheck_cond_incompatible_operands : Error< "incompatible operand types%diff{ ($ and $)|}0,1">; def err_cast_selector_expr : Error< "cannot type cast @selector expression">; def ext_typecheck_cond_incompatible_pointers : ExtWarn< "pointer type mismatch%diff{ ($ and $)|}0,1">, InGroup>; def ext_typecheck_cond_pointer_integer_mismatch : ExtWarn< "pointer/integer type mismatch in conditional expression" "%diff{ ($ and $)|}0,1">, InGroup>; def err_typecheck_choose_expr_requires_constant : Error< "'__builtin_choose_expr' requires a constant expression">; def warn_unused_expr : Warning<"expression result unused">, InGroup; def warn_unused_voidptr : Warning< "expression result unused; should this cast be to 'void'?">, InGroup; def warn_unused_property_expr : Warning< "property access result unused - getters should not be used for side effects">, InGroup; def warn_unused_container_subscript_expr : Warning< "container access result unused - container access should not be used for side effects">, InGroup; def warn_unused_call : Warning< "ignoring return value of function declared with %0 attribute">, InGroup; def warn_unused_constructor : Warning< "ignoring temporary created by a constructor declared with %0 attribute">, InGroup; def warn_unused_constructor_msg : Warning< "ignoring temporary created by a constructor declared with %0 attribute: %1">, InGroup; def warn_side_effects_unevaluated_context : Warning< "expression with side effects has no effect in an unevaluated context">, InGroup; def warn_side_effects_typeid : Warning< "expression with side effects will be evaluated despite being used as an " "operand to 'typeid'">, InGroup; def warn_unused_result : Warning< "ignoring return value of function declared with %0 attribute">, InGroup; def warn_unused_result_msg : Warning< "ignoring return value of function declared with %0 attribute: %1">, InGroup; def warn_unused_volatile : Warning< "expression result unused; assign into a variable to force a volatile load">, InGroup>; def ext_cxx14_attr : Extension< "use of the %0 attribute is a C++14 extension">, InGroup; def ext_cxx17_attr : Extension< "use of the %0 attribute is a C++17 extension">, InGroup; def ext_cxx20_attr : Extension< "use of the %0 attribute is a C++20 extension">, InGroup; def warn_unused_comparison : Warning< "%select{equality|inequality|relational|three-way}0 comparison result unused">, InGroup; def note_inequality_comparison_to_or_assign : Note< "use '|=' to turn this inequality comparison into an or-assignment">; def err_incomplete_type_used_in_type_trait_expr : Error< "incomplete type %0 used in type trait expression">; // C++20 constinit and require_constant_initialization attribute def warn_cxx20_compat_constinit : Warning< "'constinit' specifier is incompatible with C++ standards before C++20">, InGroup, DefaultIgnore; def err_constinit_local_variable : Error< "local variable cannot be declared 'constinit'">; def err_require_constant_init_failed : Error< "variable does not have a constant initializer">; def note_declared_required_constant_init_here : Note< "required by %select{'require_constant_initialization' attribute|" "'constinit' specifier}0 here">; def ext_constinit_missing : ExtWarn< "'constinit' specifier missing on initializing declaration of %0">, InGroup>; def note_constinit_specified_here : Note<"variable declared constinit here">; def err_constinit_added_too_late : Error< "'constinit' specifier added after initialization of variable">; def warn_require_const_init_added_too_late : Warning< "'require_constant_initialization' attribute added after initialization " "of variable">, InGroup; def note_constinit_missing_here : Note< "add the " "%select{'require_constant_initialization' attribute|'constinit' specifier}0 " "to the initializing declaration here">; def err_dimension_expr_not_constant_integer : Error< "dimension expression does not evaluate to a constant unsigned int">; def err_typecheck_cond_incompatible_operands_null : Error< "non-pointer operand type %0 incompatible with %select{NULL|nullptr}1">; def ext_empty_struct_union : Extension< "empty %select{struct|union}0 is a GNU extension">, InGroup; def ext_no_named_members_in_struct_union : Extension< "%select{struct|union}0 without named members is a GNU extension">, InGroup; def warn_zero_size_struct_union_compat : Warning<"%select{|empty }0" "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">, InGroup, DefaultIgnore; def warn_zero_size_struct_union_in_extern_c : Warning<"%select{|empty }0" "%select{struct|union}1 has size 0 in C, %select{size 1|non-zero size}2 in C++">, InGroup; def warn_cast_qual : Warning<"cast from %0 to %1 drops %select{const and " "volatile qualifiers|const qualifier|volatile qualifier}2">, InGroup, DefaultIgnore; def warn_cast_qual2 : Warning<"cast from %0 to %1 must have all intermediate " "pointers const qualified to be safe">, InGroup, DefaultIgnore; def warn_redefine_extname_not_applied : Warning< "#pragma redefine_extname is applicable to external C declarations only; " "not applied to %select{function|variable}0 %1">, InGroup; } // End of general sema category. // inline asm. let CategoryName = "Inline Assembly Issue" in { def err_asm_invalid_lvalue_in_output : Error<"invalid lvalue in asm output">; def err_asm_invalid_output_constraint : Error< "invalid output constraint '%0' in asm">; def err_asm_invalid_lvalue_in_input : Error< "invalid lvalue in asm input for constraint '%0'">; def err_asm_invalid_input_constraint : Error< "invalid input constraint '%0' in asm">; def err_asm_tying_incompatible_types : Error< "unsupported inline asm: input with type " "%diff{$ matching output with type $|}0,1">; def err_asm_unexpected_constraint_alternatives : Error< "asm constraint has an unexpected number of alternatives: %0 vs %1">; def err_asm_incomplete_type : Error<"asm operand has incomplete type %0">; def err_asm_unknown_register_name : Error<"unknown register name '%0' in asm">; def err_asm_invalid_global_var_reg : Error<"register '%0' unsuitable for " "global register variables on this target">; def err_asm_register_size_mismatch : Error<"size of register '%0' does not " "match variable size">; def err_asm_bad_register_type : Error<"bad type for named register variable">; def err_asm_invalid_input_size : Error< "invalid input size for constraint '%0'">; def err_asm_invalid_output_size : Error< "invalid output size for constraint '%0'">; def err_invalid_asm_cast_lvalue : Error< "invalid use of a cast in a inline asm context requiring an l-value: " "remove the cast or build with -fheinous-gnu-extensions">; def err_invalid_asm_value_for_constraint : Error <"value '%0' out of range for constraint '%1'">; def err_asm_non_addr_value_in_memory_constraint : Error < "reference to a %select{bit-field|vector element|global register variable}0" " in asm %select{input|output}1 with a memory constraint '%2'">; def err_asm_input_duplicate_match : Error< "more than one input constraint matches the same output '%0'">; def warn_asm_label_on_auto_decl : Warning< "ignored asm label '%0' on automatic variable">; def warn_invalid_asm_cast_lvalue : Warning< "invalid use of a cast in an inline asm context requiring an l-value: " "accepted due to -fheinous-gnu-extensions, but clang may remove support " "for this in the future">; def warn_asm_mismatched_size_modifier : Warning< "value size does not match register size specified by the constraint " "and modifier">, InGroup; def note_asm_missing_constraint_modifier : Note< "use constraint modifier \"%0\"">; def note_asm_input_duplicate_first : Note< "constraint '%0' is already present here">; def error_duplicate_asm_operand_name : Error< "duplicate use of asm operand name \"%0\"">; def note_duplicate_asm_operand_name : Note< "asm operand name \"%0\" first referenced here">; } def error_inoutput_conflict_with_clobber : Error< "asm-specifier for input or output variable conflicts with asm" " clobber list">; let CategoryName = "Semantic Issue" in { def err_invalid_conversion_between_vectors : Error< "invalid conversion between vector type%diff{ $ and $|}0,1 of different " "size">; def err_invalid_conversion_between_vector_and_integer : Error< "invalid conversion between vector type %0 and integer type %1 " "of different size">; def err_opencl_function_pointer : Error< "pointers to functions are not allowed">; def err_opencl_taking_address_capture : Error< "taking address of a capture is not allowed">; def err_invalid_conversion_between_vector_and_scalar : Error< "invalid conversion between vector type %0 and scalar type %1">; // C++ member initializers. def err_only_constructors_take_base_inits : Error< "only constructors take base initializers">; def err_multiple_mem_initialization : Error < "multiple initializations given for non-static member %0">; def err_multiple_mem_union_initialization : Error < "initializing multiple members of union">; def err_multiple_base_initialization : Error < "multiple initializations given for base %0">; def err_mem_init_not_member_or_class : Error< "member initializer %0 does not name a non-static data member or base " "class">; def warn_initializer_out_of_order : Warning< "%select{field|base class}0 %1 will be initialized after " "%select{field|base}2 %3">, InGroup, DefaultIgnore; def warn_abstract_vbase_init_ignored : Warning< "initializer for virtual base class %0 of abstract class %1 " "will never be used">, InGroup>, DefaultIgnore; def err_base_init_does_not_name_class : Error< "constructor initializer %0 does not name a class">; def err_base_init_direct_and_virtual : Error< "base class initializer %0 names both a direct base class and an " "inherited virtual base class">; def err_not_direct_base_or_virtual : Error< "type %0 is not a direct or virtual base of %1">; def err_in_class_initializer_non_const : Error< "non-const static data member must be initialized out of line">; def err_in_class_initializer_volatile : Error< "static const volatile data member must be initialized out of line">; def err_in_class_initializer_bad_type : Error< "static data member of type %0 must be initialized out of line">; def ext_in_class_initializer_float_type : ExtWarn< "in-class initializer for static data member of type %0 is a GNU extension">, InGroup; def ext_in_class_initializer_float_type_cxx11 : ExtWarn< "in-class initializer for static data member of type %0 requires " "'constexpr' specifier">, InGroup, DefaultError; def note_in_class_initializer_float_type_cxx11 : Note<"add 'constexpr'">; def err_in_class_initializer_literal_type : Error< "in-class initializer for static data member of type %0 requires " "'constexpr' specifier">; def err_in_class_initializer_non_constant : Error< "in-class initializer for static data member is not a constant expression">; def err_in_class_initializer_not_yet_parsed : Error< "default member initializer for %1 needed within definition of enclosing " "class %0 outside of member functions">; def note_in_class_initializer_not_yet_parsed : Note< "default member initializer declared here">; def err_in_class_initializer_cycle : Error<"default member initializer for %0 uses itself">; def ext_in_class_initializer_non_constant : Extension< "in-class initializer for static data member is not a constant expression; " "folding it to a constant is a GNU extension">, InGroup; def err_thread_dynamic_init : Error< "initializer for thread-local variable must be a constant expression">; def err_thread_nontrivial_dtor : Error< "type of thread-local variable has non-trivial destruction">; def note_use_thread_local : Note< "use 'thread_local' to allow this">; // C++ anonymous unions and GNU anonymous structs/unions def ext_anonymous_union : Extension< "anonymous unions are a C11 extension">, InGroup; def ext_gnu_anonymous_struct : Extension< "anonymous structs are a GNU extension">, InGroup; def ext_c11_anonymous_struct : Extension< "anonymous structs are a C11 extension">, InGroup; def err_anonymous_union_not_static : Error< "anonymous unions at namespace or global scope must be declared 'static'">; def err_anonymous_union_with_storage_spec : Error< "anonymous union at class scope must not have a storage specifier">; def err_anonymous_struct_not_member : Error< "anonymous %select{structs|structs and classes}0 must be " "%select{struct or union|class}0 members">; def err_anonymous_record_member_redecl : Error< "member of anonymous %select{struct|union}0 redeclares %1">; def err_anonymous_record_with_type : Error< "types cannot be declared in an anonymous %select{struct|union}0">; def ext_anonymous_record_with_type : Extension< "types declared in an anonymous %select{struct|union}0 are a Microsoft " "extension">, InGroup; def ext_anonymous_record_with_anonymous_type : Extension< "anonymous types declared in an anonymous %select{struct|union}0 " "are an extension">, InGroup>; def err_anonymous_record_with_function : Error< "functions cannot be declared in an anonymous %select{struct|union}0">; def err_anonymous_record_with_static : Error< "static members cannot be declared in an anonymous %select{struct|union}0">; def err_anonymous_record_bad_member : Error< "anonymous %select{struct|union}0 can only contain non-static data members">; def err_anonymous_record_nonpublic_member : Error< "anonymous %select{struct|union}0 cannot contain a " "%select{private|protected}1 data member">; def ext_ms_anonymous_record : ExtWarn< "anonymous %select{structs|unions}0 are a Microsoft extension">, InGroup; // C++ local classes def err_reference_to_local_in_enclosing_context : Error< "reference to local %select{variable|binding}1 %0 declared in enclosing " "%select{%3|block literal|lambda expression|context}2">; def err_static_data_member_not_allowed_in_local_class : Error< "static data member %0 not allowed in local %sub{select_tag_type_kind}2 %1">; // C++ derived classes def err_base_clause_on_union : Error<"unions cannot have base classes">; def err_base_must_be_class : Error<"base specifier must name a class">; def err_union_as_base_class : Error<"unions cannot be base classes">; def err_circular_inheritance : Error< "circular inheritance between %0 and %1">; def err_base_class_has_flexible_array_member : Error< "base class %0 has a flexible array member">; def err_incomplete_base_class : Error<"base class has incomplete type">; def err_duplicate_base_class : Error< "base class %0 specified more than once as a direct base class">; def warn_inaccessible_base_class : Warning< "direct base %0 is inaccessible due to ambiguity:%1">, InGroup>; // FIXME: better way to display derivation? Pass entire thing into diagclient? def err_ambiguous_derived_to_base_conv : Error< "ambiguous conversion from derived class %0 to base class %1:%2">; def err_ambiguous_memptr_conv : Error< "ambiguous conversion from pointer to member of %select{base|derived}0 " "class %1 to pointer to member of %select{derived|base}0 class %2:%3">; def ext_ms_ambiguous_direct_base : ExtWarn< "accessing inaccessible direct base %0 of %1 is a Microsoft extension">, InGroup; def err_memptr_conv_via_virtual : Error< "conversion from pointer to member of class %0 to pointer to member " "of class %1 via virtual base %2 is not allowed">; // C++ member name lookup def err_ambiguous_member_multiple_subobjects : Error< "non-static member %0 found in multiple base-class subobjects of type %1:%2">; def err_ambiguous_member_multiple_subobject_types : Error< "member %0 found in multiple base classes of different types">; def note_ambiguous_member_found : Note<"member found by ambiguous name lookup">; def err_ambiguous_reference : Error<"reference to %0 is ambiguous">; def note_ambiguous_candidate : Note<"candidate found by name lookup is %q0">; def err_ambiguous_tag_hiding : Error<"a type named %0 is hidden by a " "declaration in a different namespace">; def note_hidden_tag : Note<"type declaration hidden">; def note_hiding_object : Note<"declaration hides type">; // C++ operator overloading def err_operator_overload_needs_class_or_enum : Error< "overloaded %0 must have at least one parameter of class " "or enumeration type">; def err_operator_overload_variadic : Error<"overloaded %0 cannot be variadic">; def err_operator_overload_static : Error< "overloaded %0 cannot be a static member function">; def err_operator_overload_default_arg : Error< "parameter of overloaded %0 cannot have a default argument">; def err_operator_overload_must_be : Error< "overloaded %0 must be a %select{unary|binary|unary or binary}2 operator " "(has %1 parameter%s1)">; def err_operator_overload_must_be_member : Error< "overloaded %0 must be a non-static member function">; def err_operator_overload_post_incdec_must_be_int : Error< "parameter of overloaded post-%select{increment|decrement}1 operator must " "have type 'int' (not %0)">; // C++ allocation and deallocation functions. def err_operator_new_delete_declared_in_namespace : Error< "%0 cannot be declared inside a namespace">; def err_operator_new_delete_declared_static : Error< "%0 cannot be declared static in global scope">; def ext_operator_new_delete_declared_inline : ExtWarn< "replacement function %0 cannot be declared 'inline'">, InGroup>; def err_operator_new_delete_invalid_result_type : Error< "%0 must return type %1">; def err_operator_new_delete_dependent_result_type : Error< "%0 cannot have a dependent return type; use %1 instead">; def err_operator_new_delete_too_few_parameters : Error< "%0 must have at least one parameter">; def err_operator_new_delete_template_too_few_parameters : Error< "%0 template must have at least two parameters">; def warn_operator_new_returns_null : Warning< "%0 should not return a null pointer unless it is declared 'throw()'" "%select{| or 'noexcept'}1">, InGroup; def err_operator_new_dependent_param_type : Error< "%0 cannot take a dependent type as first parameter; " "use size_t (%1) instead">; def err_operator_new_param_type : Error< "%0 takes type size_t (%1) as first parameter">; def err_operator_new_default_arg: Error< "parameter of %0 cannot have a default argument">; def err_operator_delete_dependent_param_type : Error< "%0 cannot take a dependent type as first parameter; use %1 instead">; def err_operator_delete_param_type : Error< "first parameter of %0 must have type %1">; def err_destroying_operator_delete_not_usual : Error< "destroying operator delete can have only an optional size and optional " "alignment parameter">; def note_implicit_delete_this_in_destructor_here : Note< "while checking implicit 'delete this' for virtual destructor">; def err_builtin_operator_new_delete_not_usual : Error< "call to '%select{__builtin_operator_new|__builtin_operator_delete}0' " "selects non-usual %select{allocation|deallocation}0 function">; def note_non_usual_function_declared_here : Note< "non-usual %0 declared here">; // C++ literal operators def err_literal_operator_outside_namespace : Error< "literal operator %0 must be in a namespace or global scope">; def err_literal_operator_id_outside_namespace : Error< "non-namespace scope '%0' cannot have a literal operator member">; def err_literal_operator_default_argument : Error< "literal operator cannot have a default argument">; def err_literal_operator_bad_param_count : Error< "non-template literal operator must have one or two parameters">; def err_literal_operator_invalid_param : Error< "parameter of literal operator must have type 'unsigned long long', 'long double', 'char', 'wchar_t', 'char16_t', 'char32_t', or 'const char *'">; def err_literal_operator_param : Error< "invalid literal operator parameter type %0, did you mean %1?">; def err_literal_operator_template_with_params : Error< "literal operator template cannot have any parameters">; def err_literal_operator_template : Error< "template parameter list for literal operator must be either 'char...' or 'typename T, T...'">; def err_literal_operator_extern_c : Error< "literal operator must have C++ linkage">; def ext_string_literal_operator_template : ExtWarn< "string literal operator templates are a GNU extension">, InGroup; def warn_user_literal_reserved : Warning< "user-defined literal suffixes not starting with '_' are reserved" "%select{; no literal will invoke this operator|}0">, InGroup; // C++ conversion functions def err_conv_function_not_member : Error< "conversion function must be a non-static member function">; def err_conv_function_return_type : Error< "conversion function cannot have a return type">; def err_conv_function_with_params : Error< "conversion function cannot have any parameters">; def err_conv_function_variadic : Error< "conversion function cannot be variadic">; def err_conv_function_to_array : Error< "conversion function cannot convert to an array type">; def err_conv_function_to_function : Error< "conversion function cannot convert to a function type">; def err_conv_function_with_complex_decl : Error< "cannot specify any part of a return type in the " "declaration of a conversion function" "%select{" "; put the complete type after 'operator'|" "; use a typedef to declare a conversion to %1|" "; use an alias template to declare a conversion to %1|" "}0">; def err_conv_function_redeclared : Error< "conversion function cannot be redeclared">; def warn_conv_to_self_not_used : Warning< "conversion function converting %0 to itself will never be used">, InGroup; def warn_conv_to_base_not_used : Warning< "conversion function converting %0 to its base class %1 will never be used">, InGroup; def warn_conv_to_void_not_used : Warning< "conversion function converting %0 to %1 will never be used">, InGroup; def warn_not_compound_assign : Warning< "use of unary operator that may be intended as compound assignment (%0=)">; // C++11 explicit conversion operators def ext_explicit_conversion_functions : ExtWarn< "explicit conversion functions are a C++11 extension">, InGroup; def warn_cxx98_compat_explicit_conversion_functions : Warning< "explicit conversion functions are incompatible with C++98">, InGroup, DefaultIgnore; // C++11 defaulted functions def err_defaulted_special_member_params : Error< "an explicitly-defaulted %select{|copy |move }0constructor cannot " "have default arguments">; def err_defaulted_special_member_variadic : Error< "an explicitly-defaulted %select{|copy |move }0constructor cannot " "be variadic">; def err_defaulted_special_member_return_type : Error< "explicitly-defaulted %select{copy|move}0 assignment operator must " "return %1">; def err_defaulted_special_member_quals : Error< "an explicitly-defaulted %select{copy|move}0 assignment operator may not " "have 'const'%select{, 'constexpr'|}1 or 'volatile' qualifiers">; def err_defaulted_special_member_volatile_param : Error< "the parameter for an explicitly-defaulted %sub{select_special_member_kind}0 " "may not be volatile">; def err_defaulted_special_member_move_const_param : Error< "the parameter for an explicitly-defaulted move " "%select{constructor|assignment operator}0 may not be const">; def err_defaulted_special_member_copy_const_param : Error< "the parameter for this explicitly-defaulted copy " "%select{constructor|assignment operator}0 is const, but a member or base " "requires it to be non-const">; def err_defaulted_copy_assign_not_ref : Error< "the parameter for an explicitly-defaulted copy assignment operator must be an " "lvalue reference type">; def err_incorrect_defaulted_constexpr : Error< "defaulted definition of %sub{select_special_member_kind}0 " "is not constexpr">; def err_incorrect_defaulted_consteval : Error< "defaulted declaration of %sub{select_special_member_kind}0 " "cannot be consteval because implicit definition is not constexpr">; def warn_defaulted_method_deleted : Warning< "explicitly defaulted %sub{select_special_member_kind}0 is implicitly " "deleted">, InGroup; def err_out_of_line_default_deletes : Error< "defaulting this %sub{select_special_member_kind}0 " "would delete it after its first declaration">; def note_deleted_type_mismatch : Note< "function is implicitly deleted because its declared type does not match " "the type of an implicit %sub{select_special_member_kind}0">; def warn_cxx17_compat_defaulted_method_type_mismatch : Warning< "explicitly defaulting this %sub{select_special_member_kind}0 with a type " "different from the implicit type is incompatible with C++ standards before " "C++20">, InGroup, DefaultIgnore; def warn_vbase_moved_multiple_times : Warning< "defaulted move assignment operator of %0 will move assign virtual base " "class %1 multiple times">, InGroup>; def note_vbase_moved_here : Note< "%select{%1 is a virtual base class of base class %2 declared here|" "virtual base class %1 declared here}0">; // C++20 defaulted comparisons // This corresponds to values of Sema::DefaultedComparisonKind. def select_defaulted_comparison_kind : TextSubstitution< "%select{|equality|three-way|equality|relational}0 comparison " "operator">; def ext_defaulted_comparison : ExtWarn< "defaulted comparison operators are a C++20 extension">, InGroup; def warn_cxx17_compat_defaulted_comparison : Warning< "defaulted comparison operators are incompatible with C++ standards " "before C++20">, InGroup, DefaultIgnore; def err_defaulted_comparison_template : Error< "comparison operator template cannot be defaulted">; def err_defaulted_comparison_out_of_class : Error< "%sub{select_defaulted_comparison_kind}0 can only be defaulted in a class " "definition">; def err_defaulted_comparison_param : Error< "invalid parameter type for defaulted %sub{select_defaulted_comparison_kind}0" "; found %1, expected %2%select{| or %4}3">; def err_defaulted_comparison_param_mismatch : Error< "parameters for defaulted %sub{select_defaulted_comparison_kind}0 " "must have the same type%diff{ (found $ vs $)|}1,2">; def err_defaulted_comparison_non_const : Error< "defaulted member %sub{select_defaulted_comparison_kind}0 must be " "const-qualified">; def err_defaulted_comparison_return_type_not_bool : Error< "return type for defaulted %sub{select_defaulted_comparison_kind}0 " "must be 'bool', not %1">; def err_defaulted_comparison_deduced_return_type_not_auto : Error< "deduced return type for defaulted %sub{select_defaulted_comparison_kind}0 " "must be 'auto', not %1">; def warn_defaulted_comparison_deleted : Warning< "explicitly defaulted %sub{select_defaulted_comparison_kind}0 is implicitly " "deleted">, InGroup; def err_non_first_default_compare_deletes : Error< "defaulting %select{this %sub{select_defaulted_comparison_kind}1|" "the corresponding implicit 'operator==' for this defaulted 'operator<=>'}0 " "would delete it after its first declaration">; def note_defaulted_comparison_union : Note< "defaulted %0 is implicitly deleted because " "%2 is a %select{union-like class|union}1 with variant members">; def note_defaulted_comparison_reference_member : Note< "defaulted %0 is implicitly deleted because " "class %1 has a reference member">; def note_defaulted_comparison_ambiguous : Note< "defaulted %0 is implicitly deleted because implied %select{|'==' |'<' }1" "comparison %select{|for member %3 |for base class %3 }2is ambiguous">; def note_defaulted_comparison_inaccessible : Note< "defaulted %0 is implicitly deleted because it would invoke a " "%select{private|protected}3 %4%select{ member of %6|" " member of %6 to compare member %2| to compare base class %2}1">; def note_defaulted_comparison_calls_deleted : Note< "defaulted %0 is implicitly deleted because it would invoke a deleted " "comparison function%select{| for member %2| for base class %2}1">; def note_defaulted_comparison_no_viable_function : Note< "defaulted %0 is implicitly deleted because there is no viable comparison " "function%select{| for member %2| for base class %2}1">; def note_defaulted_comparison_no_viable_function_synthesized : Note< "three-way comparison cannot be synthesized because there is no viable " "function for %select{'=='|'<'}0 comparison">; def note_defaulted_comparison_not_rewritten_callee : Note< "defaulted %0 is implicitly deleted because this non-rewritten comparison " "function would be the best match for the comparison">; def note_defaulted_comparison_cannot_deduce : Note< "return type of defaulted 'operator<=>' cannot be deduced because " "return type %2 of three-way comparison for %select{|member|base class}0 %1 " "is not a standard comparison category type">; def err_defaulted_comparison_cannot_deduce_undeduced_auto : Error< "return type of defaulted 'operator<=>' cannot be deduced because " "three-way comparison for %select{|member|base class}0 %1 " "has a deduced return type and is not yet defined">; def note_defaulted_comparison_cannot_deduce_undeduced_auto : Note< "%select{|member|base class}0 %1 declared here">; def note_defaulted_comparison_cannot_deduce_callee : Note< "selected 'operator<=>' for %select{|member|base class}0 %1 declared here">; def err_incorrect_defaulted_comparison_constexpr : Error< "defaulted definition of %select{%sub{select_defaulted_comparison_kind}1|" "three-way comparison operator}0 " "cannot be declared %select{constexpr|consteval}2 because " "%select{it|the corresponding implicit 'operator=='}0 " "invokes a non-constexpr comparison function">; def note_defaulted_comparison_not_constexpr : Note< "non-constexpr comparison function would be used to compare " "%select{|member %1|base class %1}0">; def note_defaulted_comparison_not_constexpr_here : Note< "non-constexpr comparison function declared here">; def note_in_declaration_of_implicit_equality_comparison : Note< "while declaring the corresponding implicit 'operator==' " "for this defaulted 'operator<=>'">; def ext_implicit_exception_spec_mismatch : ExtWarn< "function previously declared with an %select{explicit|implicit}0 exception " "specification redeclared with an %select{implicit|explicit}0 exception " "specification">, InGroup>; def warn_ptr_arith_precedes_bounds : Warning< "the pointer decremented by %0 refers before the beginning of the array">, InGroup, DefaultIgnore; def warn_ptr_arith_exceeds_bounds : Warning< "the pointer incremented by %0 refers past the end of the array (that " "contains %1 element%s2)">, InGroup, DefaultIgnore; def warn_array_index_precedes_bounds : Warning< "array index %0 is before the beginning of the array">, InGroup; def warn_array_index_exceeds_bounds : Warning< "array index %0 is past the end of the array (which contains %1 " "element%s2)">, InGroup; def note_array_declared_here : Note< "array %0 declared here">; def warn_printf_insufficient_data_args : Warning< "more '%%' conversions than data arguments">, InGroup; def warn_printf_data_arg_not_used : Warning< "data argument not used by format string">, InGroup; def warn_format_invalid_conversion : Warning< "invalid conversion specifier '%0'">, InGroup; def warn_printf_incomplete_specifier : Warning< "incomplete format specifier">, InGroup; def warn_missing_format_string : Warning< "format string missing">, InGroup; def warn_scanf_nonzero_width : Warning< "zero field width in scanf format string is unused">, InGroup; def warn_format_conversion_argument_type_mismatch : Warning< "format specifies type %0 but the argument has " "%select{type|underlying type}2 %1">, InGroup; def warn_format_conversion_argument_type_mismatch_pedantic : Extension< warn_format_conversion_argument_type_mismatch.Text>, InGroup; def warn_format_conversion_argument_type_mismatch_confusion : Warning< warn_format_conversion_argument_type_mismatch.Text>, InGroup, DefaultIgnore; def warn_format_argument_needs_cast : Warning< "%select{values of type|enum values with underlying type}2 '%0' should not " "be used as format arguments; add an explicit cast to %1 instead">, InGroup; def warn_format_argument_needs_cast_pedantic : Warning< warn_format_argument_needs_cast.Text>, InGroup, DefaultIgnore; def warn_printf_positional_arg_exceeds_data_args : Warning < "data argument position '%0' exceeds the number of data arguments (%1)">, InGroup; def warn_format_zero_positional_specifier : Warning< "position arguments in format strings start counting at 1 (not 0)">, InGroup; def warn_format_invalid_positional_specifier : Warning< "invalid position specified for %select{field width|field precision}0">, InGroup; def warn_format_mix_positional_nonpositional_args : Warning< "cannot mix positional and non-positional arguments in format string">, InGroup; def warn_static_array_too_small : Warning< "array argument is too small; %select{contains %0 elements|is of size %0}2," " callee requires at least %1">, InGroup; def note_callee_static_array : Note< "callee declares array parameter as static here">; def warn_empty_format_string : Warning< "format string is empty">, InGroup; def warn_format_string_is_wide_literal : Warning< "format string should not be a wide string">, InGroup; def warn_printf_format_string_contains_null_char : Warning< "format string contains '\\0' within the string body">, InGroup; def warn_printf_format_string_not_null_terminated : Warning< "format string is not null-terminated">, InGroup; def warn_printf_asterisk_missing_arg : Warning< "'%select{*|.*}0' specified field %select{width|precision}0 is missing a matching 'int' argument">, InGroup; def warn_printf_asterisk_wrong_type : Warning< "field %select{width|precision}0 should have type %1, but argument has type %2">, InGroup; def warn_printf_nonsensical_optional_amount: Warning< "%select{field width|precision}0 used with '%1' conversion specifier, resulting in undefined behavior">, InGroup; def warn_printf_nonsensical_flag: Warning< "flag '%0' results in undefined behavior with '%1' conversion specifier">, InGroup; def warn_format_nonsensical_length: Warning< "length modifier '%0' results in undefined behavior or no effect with '%1' conversion specifier">, InGroup; def warn_format_non_standard_positional_arg: Warning< "positional arguments are not supported by ISO C">, InGroup, DefaultIgnore; def warn_format_non_standard: Warning< "'%0' %select{length modifier|conversion specifier}1 is not supported by ISO C">, InGroup, DefaultIgnore; def warn_format_non_standard_conversion_spec: Warning< "using length modifier '%0' with conversion specifier '%1' is not supported by ISO C">, InGroup, DefaultIgnore; def err_invalid_mask_type_size : Error< "mask type size must be between 1-byte and 8-bytes">; def warn_format_invalid_annotation : Warning< "using '%0' format specifier annotation outside of os_log()/os_trace()">, InGroup; def warn_format_P_no_precision : Warning< "using '%%P' format specifier without precision">, InGroup; def warn_printf_ignored_flag: Warning< "flag '%0' is ignored when flag '%1' is present">, InGroup; def warn_printf_empty_objc_flag: Warning< "missing object format flag">, InGroup; def warn_printf_ObjCflags_without_ObjCConversion: Warning< "object format flags cannot be used with '%0' conversion specifier">, InGroup; def warn_printf_invalid_objc_flag: Warning< "'%0' is not a valid object format flag">, InGroup; def warn_scanf_scanlist_incomplete : Warning< "no closing ']' for '%%[' in scanf format string">, InGroup; def warn_format_bool_as_character : Warning< "using '%0' format specifier, but argument has boolean value">, InGroup; def note_format_string_defined : Note<"format string is defined here">; def note_format_fix_specifier : Note<"did you mean to use '%0'?">; def note_printf_c_str: Note<"did you mean to call the %0 method?">; def note_format_security_fixit: Note< "treat the string as an argument to avoid this">; def warn_null_arg : Warning< "null passed to a callee that requires a non-null argument">, InGroup; def warn_null_ret : Warning< "null returned from %select{function|method}0 that requires a non-null return value">, InGroup; def err_lifetimebound_no_object_param : Error< "'lifetimebound' attribute cannot be applied; %select{static |non-}0member " "function has no implicit object parameter">; def err_lifetimebound_ctor_dtor : Error< "'lifetimebound' attribute cannot be applied to a " "%select{constructor|destructor}0">; // CHECK: returning address/reference of stack memory def warn_ret_stack_addr_ref : Warning< "%select{address of|reference to}0 stack memory associated with " "%select{local variable|parameter}2 %1 returned">, InGroup; def warn_ret_local_temp_addr_ref : Warning< "returning %select{address of|reference to}0 local temporary object">, InGroup; def warn_ret_addr_label : Warning< "returning address of label, which is local">, InGroup; def err_ret_local_block : Error< "returning block that lives on the local stack">; def note_local_var_initializer : Note< "%select{via initialization of|binding reference}0 variable " "%select{%2 |}1here">; def note_init_with_default_member_initalizer : Note< "initializing field %0 with default member initializer">; // Check for initializing a member variable with the address or a reference to // a constructor parameter. def warn_bind_ref_member_to_parameter : Warning< "binding reference member %0 to stack allocated " "%select{variable|parameter}2 %1">, InGroup; def warn_init_ptr_member_to_parameter_addr : Warning< "initializing pointer member %0 with the stack address of " "%select{variable|parameter}2 %1">, InGroup; def note_ref_or_ptr_member_declared_here : Note< "%select{reference|pointer}0 member declared here">; def err_dangling_member : Error< "%select{reference|backing array for 'std::initializer_list'}2 " "%select{|subobject of }1member %0 " "%select{binds to|is}2 a temporary object " "whose lifetime would be shorter than the lifetime of " "the constructed object">; def warn_dangling_member : Warning< "%select{reference|backing array for 'std::initializer_list'}2 " "%select{|subobject of }1member %0 " "%select{binds to|is}2 a temporary object " "whose lifetime is shorter than the lifetime of the constructed object">, InGroup; def warn_dangling_lifetime_pointer_member : Warning< "initializing pointer member %0 to point to a temporary object " "whose lifetime is shorter than the lifetime of the constructed object">, InGroup; def note_lifetime_extending_member_declared_here : Note< "%select{%select{reference|'std::initializer_list'}0 member|" "member with %select{reference|'std::initializer_list'}0 subobject}1 " "declared here">; def warn_dangling_variable : Warning< "%select{temporary %select{whose address is used as value of|" "%select{|implicitly }2bound to}4 " "%select{%select{|reference }4member of local variable|" "local %select{variable|reference}4}1|" "array backing " "%select{initializer list subobject of local variable|" "local initializer list}1}0 " "%select{%3 |}2will be destroyed at the end of the full-expression">, InGroup; def warn_new_dangling_reference : Warning< "temporary bound to reference member of allocated object " "will be destroyed at the end of the full-expression">, InGroup; def warn_dangling_lifetime_pointer : Warning< "object backing the pointer " "will be destroyed at the end of the full-expression">, InGroup; def warn_new_dangling_initializer_list : Warning< "array backing " "%select{initializer list subobject of the allocated object|" "the allocated initializer list}0 " "will be destroyed at the end of the full-expression">, InGroup; def warn_unsupported_lifetime_extension : Warning< "sorry, lifetime extension of " "%select{temporary|backing array of initializer list}0 created " "by aggregate initialization using default member initializer " "is not supported; lifetime of %select{temporary|backing array}0 " "will end at the end of the full-expression">, InGroup; // For non-floating point, expressions of the form x == x or x != x // should result in a warning, since these always evaluate to a constant. // Array comparisons have similar warnings def warn_comparison_always : Warning< "%select{self-|array }0comparison always evaluates to " "%select{a constant|true|false|'std::strong_ordering::equal'}1">, InGroup; def warn_comparison_bitwise_always : Warning< "bitwise comparison always evaluates to %select{false|true}0">, InGroup, DefaultIgnore; def warn_comparison_bitwise_or : Warning< "bitwise or with non-zero value always evaluates to true">, InGroup, DefaultIgnore; def warn_tautological_overlap_comparison : Warning< "overlapping comparisons always evaluate to %select{false|true}0">, InGroup, DefaultIgnore; def warn_depr_array_comparison : Warning< "comparison between two arrays is deprecated; " "to compare array addresses, use unary '+' to decay operands to pointers">, InGroup; def warn_stringcompare : Warning< "result of comparison against %select{a string literal|@encode}0 is " "unspecified (use an explicit string comparison function instead)">, InGroup; def warn_identity_field_assign : Warning< "assigning %select{field|instance variable}0 to itself">, InGroup; // Type safety attributes def err_type_tag_for_datatype_not_ice : Error< "'type_tag_for_datatype' attribute requires the initializer to be " "an %select{integer|integral}0 constant expression">; def err_type_tag_for_datatype_too_large : Error< "'type_tag_for_datatype' attribute requires the initializer to be " "an %select{integer|integral}0 constant expression " "that can be represented by a 64 bit integer">; def err_tag_index_out_of_range : Error< "%select{type tag|argument}0 index %1 is greater than the number of arguments specified">; def warn_type_tag_for_datatype_wrong_kind : Warning< "this type tag was not designed to be used with this function">, InGroup; def warn_type_safety_type_mismatch : Warning< "argument type %0 doesn't match specified %1 type tag " "%select{that requires %3|}2">, InGroup; def warn_type_safety_null_pointer_required : Warning< "specified %0 type tag requires a null pointer">, InGroup; // Generic selections. def err_assoc_type_incomplete : Error< "type %0 in generic association incomplete">; def err_assoc_type_nonobject : Error< "type %0 in generic association not an object type">; def err_assoc_type_variably_modified : Error< "type %0 in generic association is a variably modified type">; def err_assoc_compatible_types : Error< "type %0 in generic association compatible with previously specified type %1">; def note_compat_assoc : Note< "compatible type %0 specified here">; def err_generic_sel_no_match : Error< "controlling expression type %0 not compatible with any generic association type">; def err_generic_sel_multi_match : Error< "controlling expression type %0 compatible with %1 generic association types">; // Blocks def err_blocks_disable : Error<"blocks support disabled - compile with -fblocks" " or %select{pick a deployment target that supports them|for OpenCL 2.0}0">; def err_block_returning_array_function : Error< "block cannot return %select{array|function}0 type %1">; // Builtin annotation def err_builtin_annotation_first_arg : Error< "first argument to __builtin_annotation must be an integer">; def err_builtin_annotation_second_arg : Error< "second argument to __builtin_annotation must be a non-wide string constant">; def err_msvc_annotation_wide_str : Error< "arguments to __annotation must be wide string constants">; // CFString checking def err_cfstring_literal_not_string_constant : Error< "CFString literal is not a string constant">; def warn_cfstring_truncated : Warning< "input conversion stopped due to an input byte that does not " "belong to the input codeset UTF-8">, InGroup>; // os_log checking // TODO: separate diagnostic for os_trace() def err_os_log_format_not_string_constant : Error< "os_log() format argument is not a string constant">; def err_os_log_argument_too_big : Error< "os_log() argument %0 is too big (%1 bytes, max %2)">; def warn_os_log_format_narg : Error< "os_log() '%%n' format specifier is not allowed">, DefaultError; // Statements. def err_continue_not_in_loop : Error< "'continue' statement not in loop statement">; def err_break_not_in_loop_or_switch : Error< "'break' statement not in loop or switch statement">; def warn_loop_ctrl_binds_to_inner : Warning< "'%0' is bound to current loop, GCC binds it to the enclosing loop">, InGroup; def warn_break_binds_to_switch : Warning< "'break' is bound to loop, GCC binds it to switch">, InGroup; def err_default_not_in_switch : Error< "'default' statement not in switch statement">; def err_case_not_in_switch : Error<"'case' statement not in switch statement">; def warn_bool_switch_condition : Warning< "switch condition has boolean value">, InGroup; def warn_case_value_overflow : Warning< "overflow converting case value to switch condition type (%0 to %1)">, InGroup; def err_duplicate_case : Error<"duplicate case value '%0'">; def err_duplicate_case_differing_expr : Error< "duplicate case value: '%0' and '%1' both equal '%2'">; def warn_case_empty_range : Warning<"empty case range specified">; def warn_missing_case_for_condition : Warning<"no case matching constant switch condition '%0'">; def warn_def_missing_case : Warning<"%plural{" "1:enumeration value %1 not explicitly handled in switch|" "2:enumeration values %1 and %2 not explicitly handled in switch|" "3:enumeration values %1, %2, and %3 not explicitly handled in switch|" ":%0 enumeration values not explicitly handled in switch: %1, %2, %3...}0">, InGroup, DefaultIgnore; def warn_missing_case : Warning<"%plural{" "1:enumeration value %1 not handled in switch|" "2:enumeration values %1 and %2 not handled in switch|" "3:enumeration values %1, %2, and %3 not handled in switch|" ":%0 enumeration values not handled in switch: %1, %2, %3...}0">, InGroup; def warn_unannotated_fallthrough : Warning< "unannotated fall-through between switch labels">, InGroup, DefaultIgnore; def warn_unannotated_fallthrough_per_function : Warning< "unannotated fall-through between switch labels in partly-annotated " "function">, InGroup, DefaultIgnore; def note_insert_fallthrough_fixit : Note< "insert '%0;' to silence this warning">; def note_insert_break_fixit : Note< "insert 'break;' to avoid fall-through">; def err_fallthrough_attr_wrong_target : Error< "%0 attribute is only allowed on empty statements">; def note_fallthrough_insert_semi_fixit : Note<"did you forget ';'?">; def err_fallthrough_attr_outside_switch : Error< "fallthrough annotation is outside switch statement">; def err_fallthrough_attr_invalid_placement : Error< "fallthrough annotation does not directly precede switch label">; def warn_fallthrough_attr_unreachable : Warning< "fallthrough annotation in unreachable code">, InGroup, DefaultIgnore; def warn_unreachable_default : Warning< "default label in switch which covers all enumeration values">, InGroup, DefaultIgnore; def warn_not_in_enum : Warning<"case value not in enumerated type %0">, InGroup; def warn_not_in_enum_assignment : Warning<"integer constant not in range " "of enumerated type %0">, InGroup>, DefaultIgnore; def err_typecheck_statement_requires_scalar : Error< "statement requires expression of scalar type (%0 invalid)">; def err_typecheck_statement_requires_integer : Error< "statement requires expression of integer type (%0 invalid)">; def err_multiple_default_labels_defined : Error< "multiple default labels in one switch">; def err_switch_multiple_conversions : Error< "multiple conversions from switch condition type %0 to an integral or " "enumeration type">; def note_switch_conversion : Note< "conversion to %select{integral|enumeration}0 type %1">; def err_switch_explicit_conversion : Error< "switch condition type %0 requires explicit conversion to %1">; def err_switch_incomplete_class_type : Error< "switch condition has incomplete class type %0">; def warn_empty_if_body : Warning< "if statement has empty body">, InGroup; def warn_empty_for_body : Warning< "for loop has empty body">, InGroup; def warn_empty_range_based_for_body : Warning< "range-based for loop has empty body">, InGroup; def warn_empty_while_body : Warning< "while loop has empty body">, InGroup; def warn_empty_switch_body : Warning< "switch statement has empty body">, InGroup; def note_empty_body_on_separate_line : Note< "put the semicolon on a separate line to silence this warning">; def err_va_start_captured_stmt : Error< "'va_start' cannot be used in a captured statement">; def err_va_start_outside_function : Error< "'va_start' cannot be used outside a function">; def err_va_start_fixed_function : Error< "'va_start' used in function with fixed args">; def err_va_start_used_in_wrong_abi_function : Error< "'va_start' used in %select{System V|Win64}0 ABI function">; def err_ms_va_start_used_in_sysv_function : Error< "'__builtin_ms_va_start' used in System V ABI function">; def warn_second_arg_of_va_start_not_last_named_param : Warning< "second argument to 'va_start' is not the last named parameter">, InGroup; def warn_va_start_type_is_undefined : Warning< "passing %select{an object that undergoes default argument promotion|" "an object of reference type|a parameter declared with the 'register' " "keyword}0 to 'va_start' has undefined behavior">, InGroup; def err_first_argument_to_va_arg_not_of_type_va_list : Error< "first argument to 'va_arg' is of type %0 and not 'va_list'">; def err_second_parameter_to_va_arg_incomplete: Error< "second argument to 'va_arg' is of incomplete type %0">; def err_second_parameter_to_va_arg_abstract: Error< "second argument to 'va_arg' is of abstract type %0">; def warn_second_parameter_to_va_arg_not_pod : Warning< "second argument to 'va_arg' is of non-POD type %0">, InGroup, DefaultError; def warn_second_parameter_to_va_arg_ownership_qualified : Warning< "second argument to 'va_arg' is of ARC ownership-qualified type %0">, InGroup, DefaultError; def warn_second_parameter_to_va_arg_never_compatible : Warning< "second argument to 'va_arg' is of promotable type %0; this va_arg has " "undefined behavior because arguments will be promoted to %1">, InGroup; def warn_return_missing_expr : Warning< "non-void %select{function|method}1 %0 should return a value">, DefaultError, InGroup; def ext_return_missing_expr : ExtWarn< "non-void %select{function|method}1 %0 should return a value">, DefaultError, InGroup; def ext_return_has_expr : ExtWarn< "%select{void function|void method|constructor|destructor}1 %0 " "should not return a value">, DefaultError, InGroup; def ext_return_has_void_expr : Extension< "void %select{function|method|block}1 %0 should not return void expression">; def err_return_init_list : Error< "%select{void function|void method|constructor|destructor}1 %0 " "must not return a value">; def err_ctor_dtor_returns_void : Error< "%select{constructor|destructor}1 %0 must not return void expression">; def warn_noreturn_function_has_return_expr : Warning< "function %0 declared 'noreturn' should not return">, InGroup; def warn_falloff_noreturn_function : Warning< "function declared 'noreturn' should not return">, InGroup; def err_noreturn_block_has_return_expr : Error< "block declared 'noreturn' should not return">; def err_noreturn_missing_on_first_decl : Error< "function declared '[[noreturn]]' after its first declaration">; def note_noreturn_missing_first_decl : Note< "declaration missing '[[noreturn]]' attribute is here">; def err_carries_dependency_missing_on_first_decl : Error< "%select{function|parameter}0 declared '[[carries_dependency]]' " "after its first declaration">; def note_carries_dependency_missing_first_decl : Note< "declaration missing '[[carries_dependency]]' attribute is here">; def err_carries_dependency_param_not_function_decl : Error< "'[[carries_dependency]]' attribute only allowed on parameter in a function " "declaration or lambda">; def err_block_on_nonlocal : Error< "__block attribute not allowed, only allowed on local variables">; def err_block_on_vm : Error< "__block attribute not allowed on declaration with a variably modified type">; def err_sizeless_nonlocal : Error< "non-local variable with sizeless type %0">; def err_vec_builtin_non_vector : Error< "first two arguments to %0 must be vectors">; def err_vec_builtin_incompatible_vector : Error< "first two arguments to %0 must have the same type">; def err_vsx_builtin_nonconstant_argument : Error< "argument %0 to %1 must be a 2-bit unsigned literal (i.e. 0, 1, 2 or 3)">; def err_shufflevector_nonconstant_argument : Error< "index for __builtin_shufflevector must be a constant integer">; def err_shufflevector_argument_too_large : Error< "index for __builtin_shufflevector must be less than the total number " "of vector elements">; def err_convertvector_non_vector : Error< "first argument to __builtin_convertvector must be a vector">; def err_convertvector_non_vector_type : Error< "second argument to __builtin_convertvector must be a vector type">; def err_convertvector_incompatible_vector : Error< "first two arguments to __builtin_convertvector must have the same number of elements">; def err_first_argument_to_cwsc_not_call : Error< "first argument to __builtin_call_with_static_chain must be a non-member call expression">; def err_first_argument_to_cwsc_block_call : Error< "first argument to __builtin_call_with_static_chain must not be a block call">; def err_first_argument_to_cwsc_builtin_call : Error< "first argument to __builtin_call_with_static_chain must not be a builtin call">; def err_first_argument_to_cwsc_pdtor_call : Error< "first argument to __builtin_call_with_static_chain must not be a pseudo-destructor call">; def err_second_argument_to_cwsc_not_pointer : Error< "second argument to __builtin_call_with_static_chain must be of pointer type">; def err_vector_incorrect_num_initializers : Error< "%select{too many|too few}0 elements in vector initialization (expected %1 elements, have %2)">; def err_altivec_empty_initializer : Error<"expected initializer">; def err_invalid_neon_type_code : Error< "incompatible constant for this __builtin_neon function">; def err_argument_invalid_range : Error< "argument value %0 is outside the valid range [%1, %2]">; def warn_argument_invalid_range : Warning< "argument value %0 is outside the valid range [%1, %2]">, DefaultError, InGroup>; def err_argument_not_multiple : Error< "argument should be a multiple of %0">; def err_argument_not_power_of_2 : Error< "argument should be a power of 2">; def err_argument_not_shifted_byte : Error< "argument should be an 8-bit value shifted by a multiple of 8 bits">; def err_argument_not_shifted_byte_or_xxff : Error< "argument should be an 8-bit value shifted by a multiple of 8 bits, or in the form 0x??FF">; def err_rotation_argument_to_cadd : Error<"argument should be the value 90 or 270">; def err_rotation_argument_to_cmla : Error<"argument should be the value 0, 90, 180 or 270">; def warn_neon_vector_initializer_non_portable : Warning< "vector initializers are not compatible with NEON intrinsics in big endian " "mode">, InGroup>; def note_neon_vector_initializer_non_portable : Note< "consider using vld1_%0%1() to initialize a vector from memory, or " "vcreate_%0%1() to initialize from an integer constant">; def note_neon_vector_initializer_non_portable_q : Note< "consider using vld1q_%0%1() to initialize a vector from memory, or " "vcombine_%0%1(vcreate_%0%1(), vcreate_%0%1()) to initialize from integer " "constants">; def err_systemz_invalid_tabort_code : Error< "invalid transaction abort code">; def err_64_bit_builtin_32_bit_tgt : Error< "this builtin is only available on 64-bit targets">; def err_32_bit_builtin_64_bit_tgt : Error< "this builtin is only available on 32-bit targets">; def err_builtin_x64_aarch64_only : Error< "this builtin is only available on x86-64 and aarch64 targets">; def err_mips_builtin_requires_dsp : Error< "this builtin requires 'dsp' ASE, please use -mdsp">; def err_mips_builtin_requires_dspr2 : Error< "this builtin requires 'dsp r2' ASE, please use -mdspr2">; def err_mips_builtin_requires_msa : Error< "this builtin requires 'msa' ASE, please use -mmsa">; def err_ppc_builtin_only_on_pwr7 : Error< "this builtin is only valid on POWER7 or later CPUs">; def err_x86_builtin_invalid_rounding : Error< "invalid rounding argument">; def err_x86_builtin_invalid_scale : Error< "scale argument must be 1, 2, 4, or 8">; def err_builtin_target_unsupported : Error< "builtin is not supported on this target">; def err_builtin_longjmp_unsupported : Error< "__builtin_longjmp is not supported for the current target">; def err_builtin_setjmp_unsupported : Error< "__builtin_setjmp is not supported for the current target">; def err_builtin_longjmp_invalid_val : Error< "argument to __builtin_longjmp must be a constant 1">; def err_builtin_requires_language : Error<"'%0' is only available in %1">; def err_constant_integer_arg_type : Error< "argument to %0 must be a constant integer">; def ext_mixed_decls_code : Extension< "ISO C90 forbids mixing declarations and code">, InGroup>; def err_non_local_variable_decl_in_for : Error< "declaration of non-local variable in 'for' loop">; def err_non_variable_decl_in_for : Error< "non-variable declaration in 'for' loop">; def err_toomany_element_decls : Error< "only one element declaration is allowed">; def err_selector_element_not_lvalue : Error< "selector element is not a valid lvalue">; def err_selector_element_type : Error< "selector element type %0 is not a valid object">; def err_selector_element_const_type : Error< "selector element of type %0 cannot be a constant l-value expression">; def err_collection_expr_type : Error< "the type %0 is not a pointer to a fast-enumerable object">; def warn_collection_expr_type : Warning< "collection expression type %0 may not respond to %1">; def err_invalid_conversion_between_ext_vectors : Error< "invalid conversion between ext-vector type %0 and %1">; def warn_duplicate_attribute_exact : Warning< "attribute %0 is already applied">, InGroup; def warn_duplicate_attribute : Warning< "attribute %0 is already applied with different parameters">, InGroup; def warn_sync_fetch_and_nand_semantics_change : Warning< "the semantics of this intrinsic changed with GCC " "version 4.4 - the newer semantics are provided here">, InGroup>; // Type def ext_wchar_t_sign_spec : ExtWarn<"'%0' cannot be signed or unsigned">, InGroup>, DefaultError; def warn_receiver_forward_class : Warning< "receiver %0 is a forward class and corresponding @interface may not exist">, InGroup; def note_method_sent_forward_class : Note<"method %0 is used for the forward class">; def ext_missing_declspec : ExtWarn< "declaration specifier missing, defaulting to 'int'">; def ext_missing_type_specifier : ExtWarn< "type specifier missing, defaults to 'int'">, InGroup; def err_decimal_unsupported : Error< "GNU decimal type extension not supported">; def err_missing_type_specifier : Error< "C++ requires a type specifier for all declarations">; def err_objc_array_of_interfaces : Error< "array of interface %0 is invalid (probably should be an array of pointers)">; def ext_c99_array_usage : Extension< "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 " "feature">, InGroup; def err_c99_array_usage_cxx : Error< "%select{qualifier in |static |}0array size %select{||'[*] '}0is a C99 " "feature, not permitted in C++">; def err_type_unsupported : Error< "%0 is not supported on this target">; def err_nsconsumed_attribute_mismatch : Error< "overriding method has mismatched ns_consumed attribute on its" " parameter">; def err_nsreturns_retained_attribute_mismatch : Error< "overriding method has mismatched ns_returns_%select{not_retained|retained}0" " attributes">; def warn_nsconsumed_attribute_mismatch : Warning< err_nsconsumed_attribute_mismatch.Text>, InGroup; def warn_nsreturns_retained_attribute_mismatch : Warning< err_nsreturns_retained_attribute_mismatch.Text>, InGroup; def note_getter_unavailable : Note< "or because setter is declared here, but no getter method %0 is found">; def err_invalid_protocol_qualifiers : Error< "invalid protocol qualifiers on non-ObjC type">; def warn_ivar_use_hidden : Warning< "local declaration of %0 hides instance variable">, InGroup; def warn_direct_initialize_call : Warning< "explicit call to +initialize results in duplicate call to +initialize">, InGroup; def warn_direct_super_initialize_call : Warning< "explicit call to [super initialize] should only be in implementation " "of +initialize">, InGroup; def err_ivar_use_in_class_method : Error< "instance variable %0 accessed in class method">; def err_private_ivar_access : Error<"instance variable %0 is private">, AccessControl; def err_protected_ivar_access : Error<"instance variable %0 is protected">, AccessControl; def warn_maynot_respond : Warning<"%0 may not respond to %1">; def ext_typecheck_base_super : Warning< "method parameter type " "%diff{$ does not match super class method parameter type $|" "does not match super class method parameter type}0,1">, InGroup, DefaultIgnore; def warn_missing_method_return_type : Warning< "method has no return type specified; defaults to 'id'">, InGroup, DefaultIgnore; def warn_direct_ivar_access : Warning<"instance variable %0 is being " "directly accessed">, InGroup>, DefaultIgnore; // Spell-checking diagnostics def err_unknown_typename : Error< "unknown type name %0">; def err_unknown_type_or_class_name_suggest : Error< "unknown %select{type|class}1 name %0; did you mean %2?">; def err_unknown_typename_suggest : Error< "unknown type name %0; did you mean %1?">; def err_unknown_nested_typename_suggest : Error< "no type named %0 in %1; did you mean %select{|simply }2%3?">; def err_no_member_suggest : Error<"no member named %0 in %1; did you mean %select{|simply }2%3?">; def err_undeclared_use_suggest : Error< "use of undeclared %0; did you mean %1?">; def err_undeclared_var_use_suggest : Error< "use of undeclared identifier %0; did you mean %1?">; def err_no_template : Error<"no template named %0">; def err_no_template_suggest : Error<"no template named %0; did you mean %1?">; def err_no_member_template : Error<"no template named %0 in %1">; def err_no_member_template_suggest : Error< "no template named %0 in %1; did you mean %select{|simply }2%3?">; def err_non_template_in_template_id : Error< "%0 does not name a template but is followed by template arguments">; def err_non_template_in_template_id_suggest : Error< "%0 does not name a template but is followed by template arguments; " "did you mean %1?">; def err_non_template_in_member_template_id_suggest : Error< "member %0 of %1 is not a template; did you mean %select{|simply }2%3?">; def note_non_template_in_template_id_found : Note< "non-template declaration found by name lookup">; def err_mem_init_not_member_or_class_suggest : Error< "initializer %0 does not name a non-static data member or base " "class; did you mean the %select{base class|member}1 %2?">; def err_field_designator_unknown_suggest : Error< "field designator %0 does not refer to any field in type %1; did you mean " "%2?">; def err_typecheck_member_reference_ivar_suggest : Error< "%0 does not have a member named %1; did you mean %2?">; def err_property_not_found_suggest : Error< "property %0 not found on object of type %1; did you mean %2?">; def err_class_property_found : Error< "property %0 is a class property; did you mean to access it with class '%1'?">; def err_ivar_access_using_property_syntax_suggest : Error< "property %0 not found on object of type %1; did you mean to access instance variable %2?">; def warn_property_access_suggest : Warning< "property %0 not found on object of type %1; did you mean to access property %2?">, InGroup; def err_property_found_suggest : Error< "property %0 found on object of type %1; did you mean to access " "it with the \".\" operator?">; def err_undef_interface_suggest : Error< "cannot find interface declaration for %0; did you mean %1?">; def warn_undef_interface_suggest : Warning< "cannot find interface declaration for %0; did you mean %1?">; def err_undef_superclass_suggest : Error< "cannot find interface declaration for %0, superclass of %1; did you mean " "%2?">; def err_undeclared_protocol_suggest : Error< "cannot find protocol declaration for %0; did you mean %1?">; def note_base_class_specified_here : Note< "base class %0 specified here">; def err_using_directive_suggest : Error< "no namespace named %0; did you mean %1?">; def err_using_directive_member_suggest : Error< "no namespace named %0 in %1; did you mean %select{|simply }2%3?">; def note_namespace_defined_here : Note<"namespace %0 defined here">; def err_sizeof_pack_no_pack_name_suggest : Error< "%0 does not refer to the name of a parameter pack; did you mean %1?">; def note_parameter_pack_here : Note<"parameter pack %0 declared here">; def err_uncasted_use_of_unknown_any : Error< "%0 has unknown type; cast it to its declared type to use it">; def err_uncasted_call_of_unknown_any : Error< "%0 has unknown return type; cast the call to its declared return type">; def err_uncasted_send_to_unknown_any_method : Error< "no known method %select{%objcinstance1|%objcclass1}0; cast the " "message send to the method's return type">; def err_unsupported_unknown_any_decl : Error< "%0 has unknown type, which is not supported for this kind of declaration">; def err_unsupported_unknown_any_expr : Error< "unsupported expression with unknown type">; def err_unsupported_unknown_any_call : Error< "call to unsupported expression with unknown type">; def err_unknown_any_addrof : Error< "the address of a declaration with unknown type " "can only be cast to a pointer type">; def err_unknown_any_addrof_call : Error< "address-of operator cannot be applied to a call to a function with " "unknown return type">; def err_unknown_any_var_function_type : Error< "variable %0 with unknown type cannot be given a function type">; def err_unknown_any_function : Error< "function %0 with unknown type must be given a function type">; def err_filter_expression_integral : Error< "filter expression has non-integral type %0">; def err_non_asm_stmt_in_naked_function : Error< "non-ASM statement in naked function is not supported">; def err_asm_naked_this_ref : Error< "'this' pointer references not allowed in naked functions">; def err_asm_naked_parm_ref : Error< "parameter references not allowed in naked functions">; // OpenCL warnings and errors. def err_invalid_astype_of_different_size : Error< "invalid reinterpretation: sizes of %0 and %1 must match">; def err_static_kernel : Error< "kernel functions cannot be declared static">; def err_method_kernel : Error< "kernel functions cannot be class members">; def err_template_kernel : Error< "kernel functions cannot be used in a template declaration, instantiation or specialization">; def err_opencl_ptrptr_kernel_param : Error< "kernel parameter cannot be declared as a pointer to a pointer">; def err_kernel_arg_address_space : Error< "pointer arguments to kernel functions must reside in '__global', " "'__constant' or '__local' address space">; def err_opencl_ext_vector_component_invalid_length : Error< "vector component access has invalid length %0. Supported: 1,2,3,4,8,16.">; def err_opencl_function_variable : Error< "%select{non-kernel function|function scope}0 variable cannot be declared in %1 address space">; def err_opencl_addrspace_scope : Error< "variables in the %0 address space can only be declared in the outermost " "scope of a kernel function">; def err_static_function_scope : Error< "variables in function scope cannot be declared static">; def err_opencl_bitfields : Error< "bit-fields are not supported in OpenCL">; def err_opencl_vla : Error< "variable length arrays are not supported in OpenCL">; def err_opencl_scalar_type_rank_greater_than_vector_type : Error< "scalar operand type has greater rank than the type of the vector " "element. (%0 and %1)">; def err_bad_kernel_param_type : Error< "%0 cannot be used as the type of a kernel parameter">; def err_opencl_implicit_function_decl : Error< "implicit declaration of function %0 is invalid in OpenCL">; def err_record_with_pointers_kernel_param : Error< "%select{struct|union}0 kernel parameters may not contain pointers">; def note_within_field_of_type : Note< "within field of type %0 declared here">; def note_illegal_field_declared_here : Note< "field of illegal %select{type|pointer type}0 %1 declared here">; def err_opencl_type_struct_or_union_field : Error< "the %0 type cannot be used to declare a structure or union field">; def err_event_t_addr_space_qual : Error< "the event_t type can only be used with __private address space qualifier">; def err_expected_kernel_void_return_type : Error< "kernel must have void return type">; def err_sampler_initializer_not_integer : Error< "sampler_t initialization requires 32-bit integer, not %0">; def warn_sampler_initializer_invalid_bits : Warning< "sampler initializer has invalid %0 bits">, InGroup, DefaultIgnore; def err_sampler_argument_required : Error< "sampler_t variable required - got %0">; def err_wrong_sampler_addressspace: Error< "sampler type cannot be used with the __local and __global address space qualifiers">; def err_opencl_nonconst_global_sampler : Error< "global sampler requires a const or constant address space qualifier">; def err_opencl_cast_non_zero_to_event_t : Error< "cannot cast non-zero value '%0' to 'event_t'">; def err_opencl_global_invalid_addr_space : Error< "%select{program scope|static local|extern}0 variable must reside in %1 address space">; def err_missing_actual_pipe_type : Error< "missing actual type specifier for pipe">; def err_reference_pipe_type : Error < "pipes packet types cannot be of reference type">; def err_opencl_no_main : Error<"%select{function|kernel}0 cannot be called 'main'">; def err_opencl_kernel_attr : Error<"attribute %0 can only be applied to an OpenCL kernel function">; def err_opencl_return_value_with_address_space : Error< "return value cannot be qualified with address space">; def err_opencl_constant_no_init : Error< "variable in constant address space must be initialized">; def err_opencl_atomic_init: Error< "atomic variable can be %select{assigned|initialized}0 to a variable only " "in global address space">; def err_opencl_implicit_vector_conversion : Error< "implicit conversions between vector types (%0 and %1) are not permitted">; def err_opencl_invalid_type_array : Error< "array of %0 type is invalid in OpenCL">; def err_opencl_ternary_with_block : Error< "block type cannot be used as expression in ternary expression in OpenCL">; def err_opencl_pointer_to_type : Error< "pointer to type %0 is invalid in OpenCL">; def err_opencl_type_can_only_be_used_as_function_parameter : Error < "type %0 can only be used as a function parameter in OpenCL">; def warn_opencl_attr_deprecated_ignored : Warning < "%0 attribute is deprecated and ignored in OpenCL version %1">, InGroup; def err_opencl_variadic_function : Error< "invalid prototype, variadic arguments are not allowed in OpenCL">; def err_opencl_requires_extension : Error< "use of %select{type|declaration}0 %1 requires %2 extension to be enabled">; def warn_opencl_generic_address_space_arg : Warning< "passing non-generic address space pointer to %0" " may cause dynamic conversion affecting performance">, InGroup, DefaultIgnore; // OpenCL v2.0 s6.13.6 -- Builtin Pipe Functions def err_opencl_builtin_pipe_first_arg : Error< "first argument to %0 must be a pipe type">; def err_opencl_builtin_pipe_arg_num : Error< "invalid number of arguments to function: %0">; def err_opencl_builtin_pipe_invalid_arg : Error< "invalid argument type to function %0 (expecting %1 having %2)">; def err_opencl_builtin_pipe_invalid_access_modifier : Error< "invalid pipe access modifier (expecting %0)">; // OpenCL access qualifier def err_opencl_invalid_access_qualifier : Error< "access qualifier can only be used for pipe and image type">; def err_opencl_invalid_read_write : Error< "access qualifier %0 can not be used for %1 %select{|prior to OpenCL version 2.0}2">; def err_opencl_multiple_access_qualifiers : Error< "multiple access qualifiers">; def note_opencl_typedef_access_qualifier : Note< "previously declared '%0' here">; // OpenCL v2.0 s6.12.5 Blocks restrictions def err_opencl_block_storage_type : Error< "the __block storage type is not permitted">; def err_opencl_invalid_block_declaration : Error< "invalid block variable declaration - must be %select{const qualified|initialized}0">; def err_opencl_extern_block_declaration : Error< "invalid block variable declaration - using 'extern' storage class is disallowed">; def err_opencl_block_ref_block : Error< "cannot refer to a block inside block">; // OpenCL v2.0 s6.13.9 - Address space qualifier functions. def err_opencl_builtin_to_addr_arg_num : Error< "invalid number of arguments to function: %0">; def err_opencl_builtin_to_addr_invalid_arg : Error< "invalid argument %0 to function: %1, expecting a generic pointer argument">; // OpenCL v2.0 s6.13.17 Enqueue kernel restrictions. def err_opencl_enqueue_kernel_incorrect_args : Error< "illegal call to enqueue_kernel, incorrect argument types">; def err_opencl_enqueue_kernel_local_size_args : Error< "mismatch in number of block parameters and local size arguments passed">; def err_opencl_enqueue_kernel_invalid_local_size_type : Error< "illegal call to enqueue_kernel, parameter needs to be specified as integer type">; def err_opencl_enqueue_kernel_blocks_non_local_void_args : Error< "blocks used in enqueue_kernel call are expected to have parameters of type 'local void*'">; def err_opencl_enqueue_kernel_blocks_no_args : Error< "blocks with parameters are not accepted in this prototype of enqueue_kernel call">; def err_opencl_builtin_expected_type : Error< "illegal call to %0, expected %1 argument type">; // OpenCL v2.2 s2.1.2.3 - Vector Component Access def ext_opencl_ext_vector_type_rgba_selector: ExtWarn< "vector component name '%0' is an OpenCL version 2.2 feature">, InGroup; def err_openclcxx_placement_new : Error< "use of placement new requires explicit declaration">; // MIG routine annotations. def warn_mig_server_routine_does_not_return_kern_return_t : Warning< "'mig_server_routine' attribute only applies to routines that return a kern_return_t">, InGroup; } // end of sema category let CategoryName = "OpenMP Issue" in { // OpenMP support. def err_omp_expected_var_arg : Error< "%0 is not a global variable, static local variable or static data member">; def err_omp_expected_var_arg_suggest : Error< "%0 is not a global variable, static local variable or static data member; " "did you mean %1">; def err_omp_global_var_arg : Error< "arguments of '#pragma omp %0' must have %select{global storage|static storage duration}1">; def err_omp_ref_type_arg : Error< "arguments of '#pragma omp %0' cannot be of reference type %1">; def err_omp_region_not_file_context : Error< "directive must be at file or namespace scope">; def err_omp_var_scope : Error< "'#pragma omp %0' must appear in the scope of the %q1 variable declaration">; def err_omp_var_used : Error< "'#pragma omp %0' must precede all references to variable %q1">; def err_omp_var_thread_local : Error< "variable %0 cannot be threadprivate because it is %select{thread-local|a global named register variable}1">; def err_omp_private_incomplete_type : Error< "a private variable with incomplete type %0">; def err_omp_firstprivate_incomplete_type : Error< "a firstprivate variable with incomplete type %0">; def err_omp_lastprivate_incomplete_type : Error< "a lastprivate variable with incomplete type %0">; def err_omp_reduction_incomplete_type : Error< "a reduction list item with incomplete type %0">; def err_omp_unexpected_clause_value : Error< "expected %0 in OpenMP clause '%1'">; def err_omp_expected_var_name_member_expr : Error< "expected variable name%select{| or data member of current class}0">; def err_omp_expected_var_name_member_expr_or_array_item : Error< "expected variable name%select{|, data member of current class}0, array element or array section">; def err_omp_expected_addressable_lvalue_or_array_item : Error< "expected addressable lvalue expression, array element%select{ or array section|, array section or array shaping expression}0%select{| of non 'omp_depend_t' type}1">; def err_omp_expected_named_var_member_or_array_expression: Error< "expected expression containing only member accesses and/or array sections based on named variables">; def err_omp_bit_fields_forbidden_in_clause : Error< "bit fields cannot be used to specify storage in a '%0' clause">; def err_array_section_does_not_specify_contiguous_storage : Error< "array section does not specify contiguous storage">; def err_omp_union_type_not_allowed : Error< "mapping of union members is not allowed">; def err_omp_expected_access_to_data_field : Error< "expected access to data field">; def err_omp_multiple_array_items_in_map_clause : Error< "multiple array elements associated with the same variable are not allowed in map clauses of the same construct">; def err_omp_duplicate_map_type_modifier : Error< "same map type modifier has been specified more than once">; def err_omp_pointer_mapped_along_with_derived_section : Error< "pointer cannot be mapped along with a section derived from itself">; def err_omp_original_storage_is_shared_and_does_not_contain : Error< "original storage of expression in data environment is shared but data environment do not fully contain mapped expression storage">; def err_omp_same_pointer_dereferenced : Error< "same pointer dereferenced in multiple different ways in map clause expressions">; def note_omp_task_predetermined_firstprivate_here : Note< "predetermined as a firstprivate in a task construct here">; def err_omp_threadprivate_incomplete_type : Error< "threadprivate variable with incomplete type %0">; def err_omp_no_dsa_for_variable : Error< "variable %0 must have explicitly specified data sharing attributes">; def err_omp_defaultmap_no_attr_for_variable : Error< "variable %0 must have explicitly specified data sharing attributes, data mapping attributes, or in an is_device_ptr clause">; def note_omp_default_dsa_none : Note< "explicit data sharing attribute requested here">; def note_omp_defaultmap_attr_none : Note< "explicit data sharing attribute, data mapping attribute, or is_device_ptr clause requested here">; def err_omp_wrong_dsa : Error< "%0 variable cannot be %1">; def err_omp_variably_modified_type_not_supported : Error< "arguments of OpenMP clause '%0' in '#pragma omp %2' directive cannot be of variably-modified type %1">; def note_omp_explicit_dsa : Note< "defined as %0">; def note_omp_predetermined_dsa : Note< "%select{static data member is predetermined as shared|" "variable with static storage duration is predetermined as shared|" "loop iteration variable is predetermined as private|" "loop iteration variable is predetermined as linear|" "loop iteration variable is predetermined as lastprivate|" "constant variable is predetermined as shared|" "global variable is predetermined as shared|" "non-shared variable in a task construct is predetermined as firstprivate|" "variable with automatic storage duration is predetermined as private}0" "%select{|; perhaps you forget to enclose 'omp %2' directive into a parallel or another task region?}1">; def note_omp_implicit_dsa : Note< "implicitly determined as %0">; def err_omp_loop_var_dsa : Error< "loop iteration variable in the associated loop of 'omp %1' directive may not be %0, predetermined as %2">; def err_omp_not_for : Error< "%select{statement after '#pragma omp %1' must be a for loop|" "expected %2 for loops after '#pragma omp %1'%select{|, but found only %4}3}0">; def note_omp_collapse_ordered_expr : Note< "as specified in %select{'collapse'|'ordered'|'collapse' and 'ordered'}0 clause%select{||s}0">; def err_omp_negative_expression_in_clause : Error< "argument to '%0' clause must be a %select{non-negative|strictly positive}1 integer value">; def err_omp_not_integral : Error< "expression must have integral or unscoped enumeration " "type, not %0">; def err_omp_threadprivate_in_target : Error< "threadprivate variables cannot be used in target constructs">; def err_omp_incomplete_type : Error< "expression has incomplete class type %0">; def err_omp_explicit_conversion : Error< "expression requires explicit conversion from %0 to %1">; def note_omp_conversion_here : Note< "conversion to %select{integral|enumeration}0 type %1 declared here">; def err_omp_ambiguous_conversion : Error< "ambiguous conversion from type %0 to an integral or unscoped " "enumeration type">; def err_omp_iterator_not_integral_or_pointer : Error< "expected integral or pointer type as the iterator-type, not %0">; def err_omp_iterator_step_not_integral : Error< "iterator step expression %0 is not the integral expression">; def err_omp_iterator_step_constant_zero : Error< "iterator step expression %0 evaluates to 0">; def err_omp_required_access : Error< "%0 variable must be %1">; def err_omp_const_variable : Error< "const-qualified variable cannot be %0">; def err_omp_const_not_mutable_variable : Error< "const-qualified variable without mutable fields cannot be %0">; def err_omp_const_list_item : Error< "const-qualified list item cannot be %0">; def err_omp_linear_incomplete_type : Error< "a linear variable with incomplete type %0">; def err_omp_linear_expected_int_or_ptr : Error< "argument of a linear clause should be of integral or pointer " "type, not %0">; def warn_omp_linear_step_zero : Warning< "zero linear step (%0 %select{|and other variables in clause }1should probably be const)">, InGroup; def warn_omp_alignment_not_power_of_two : Warning< "aligned clause will be ignored because the requested alignment is not a power of 2">, InGroup; def err_omp_invalid_target_decl : Error< "%0 used in declare target directive is not a variable or a function name">; def err_omp_declare_target_multiple : Error< "%0 appears multiple times in clauses on the same declare target directive">; def err_omp_declare_target_to_and_link : Error< "%0 must not appear in both clauses 'to' and 'link'">; def warn_omp_not_in_target_context : Warning< "declaration is not declared in any declare target region">, InGroup; def err_omp_function_in_link_clause : Error< "function name is not allowed in 'link' clause">; def err_omp_aligned_expected_array_or_ptr : Error< "argument of aligned clause should be array" "%select{ or pointer|, pointer, reference to array or reference to pointer}1" ", not %0">; def err_omp_used_in_clause_twice : Error< "%select{a variable|a parameter|'this'}0 cannot appear in more than one %1 clause">; def err_omp_local_var_in_threadprivate_init : Error< "variable with local storage in initial value of threadprivate variable">; def err_omp_loop_not_canonical_init : Error< "initialization clause of OpenMP for loop is not in canonical form " "('var = init' or 'T var = init')">; def ext_omp_loop_not_canonical_init : ExtWarn< "initialization clause of OpenMP for loop is not in canonical form " "('var = init' or 'T var = init')">, InGroup; def err_omp_loop_not_canonical_cond : Error< "condition of OpenMP for loop must be a relational comparison " "('<', '<=', '>', %select{or '>='|'>=', or '!='}0) of loop variable %1">; def err_omp_loop_not_canonical_incr : Error< "increment clause of OpenMP for loop must perform simple addition " "or subtraction on loop variable %0">; def err_omp_loop_variable_type : Error< "variable must be of integer or %select{pointer|random access iterator}0 type">; def err_omp_loop_incr_not_compatible : Error< "increment expression must cause %0 to %select{decrease|increase}1 " "on each iteration of OpenMP for loop">; def note_omp_loop_cond_requres_compatible_incr : Note< "loop step is expected to be %select{negative|positive}0 due to this condition">; def err_omp_loop_diff_cxx : Error< "could not calculate number of iterations calling 'operator-' with " "upper and lower loop bounds">; def err_omp_loop_cannot_use_stmt : Error< "'%0' statement cannot be used in OpenMP for loop">; def err_omp_simd_region_cannot_use_stmt : Error< "'%0' statement cannot be used in OpenMP simd region">; def warn_omp_loop_64_bit_var : Warning< "OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed">, InGroup; def err_omp_unknown_reduction_identifier : Error< "incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', " "'&&', '||', 'min' or 'max' or declare reduction for type %0">; def err_omp_not_resolved_reduction_identifier : Error< "unable to resolve declare reduction construct for type %0">; def err_omp_reduction_ref_type_arg : Error< "argument of OpenMP clause '%0' must reference the same object in all threads">; def err_omp_clause_not_arithmetic_type_arg : Error< "arguments of OpenMP clause '%0' for 'min' or 'max' must be of %select{scalar|arithmetic}1 type">; def err_omp_clause_floating_type_arg : Error< "arguments of OpenMP clause '%0' with bitwise operators cannot be of floating type">; def err_omp_once_referenced : Error< "variable can appear only once in OpenMP '%0' clause">; def err_omp_once_referenced_in_target_update : Error< "variable can appear only once in OpenMP 'target update' construct">; def note_omp_referenced : Note< "previously referenced here">; def err_omp_reduction_in_task : Error< "reduction variables may not be accessed in an explicit task">; def err_omp_reduction_id_not_compatible : Error< "list item of type %0 is not valid for specified reduction operation: unable to provide default initialization value">; def err_omp_reduction_identifier_mismatch : Error< "in_reduction variable must have the same reduction operation as in a task_reduction clause">; def note_omp_previous_reduction_identifier : Note< "previously marked as task_reduction with different reduction operation">; def err_omp_prohibited_region : Error< "region cannot be%select{| closely}0 nested inside '%1' region" "%select{|; perhaps you forget to enclose 'omp %3' directive into a parallel region?|" "; perhaps you forget to enclose 'omp %3' directive into a for or a parallel for region with 'ordered' clause?|" "; perhaps you forget to enclose 'omp %3' directive into a target region?|" "; perhaps you forget to enclose 'omp %3' directive into a teams region?|" "; perhaps you forget to enclose 'omp %3' directive into a for, simd, for simd, parallel for, or parallel for simd region?}2">; def err_omp_prohibited_region_simd : Error< "OpenMP constructs may not be nested inside a simd region%select{| except for ordered simd, simd, scan, or atomic directive}0">; def err_omp_prohibited_region_atomic : Error< "OpenMP constructs may not be nested inside an atomic region">; def err_omp_prohibited_region_critical_same_name : Error< "cannot nest 'critical' regions having the same name %0">; def note_omp_previous_critical_region : Note< "previous 'critical' region starts here">; def err_omp_several_directives_in_region : Error< "exactly one '%0' directive must appear in the loop body of an enclosing directive">; def note_omp_previous_directive : Note< "previous '%0' directive used here">; def err_omp_sections_not_compound_stmt : Error< "the statement for '#pragma omp sections' must be a compound statement">; def err_omp_parallel_sections_not_compound_stmt : Error< "the statement for '#pragma omp parallel sections' must be a compound statement">; def err_omp_orphaned_section_directive : Error< "%select{orphaned 'omp section' directives are prohibited, it|'omp section' directive}0" " must be closely nested to a sections region%select{|, not a %1 region}0">; def err_omp_sections_substmt_not_section : Error< "statement in 'omp sections' directive must be enclosed into a section region">; def err_omp_parallel_sections_substmt_not_section : Error< "statement in 'omp parallel sections' directive must be enclosed into a section region">; def err_omp_parallel_reduction_in_task_firstprivate : Error< "argument of a reduction clause of a %0 construct must not appear in a firstprivate clause on a task construct">; def err_omp_atomic_read_not_expression_statement : Error< "the statement for 'atomic read' must be an expression statement of form 'v = x;'," " where v and x are both lvalue expressions with scalar type">; def note_omp_atomic_read_write: Note< "%select{expected an expression statement|expected built-in assignment operator|expected expression of scalar type|expected lvalue expression}0">; def err_omp_atomic_write_not_expression_statement : Error< "the statement for 'atomic write' must be an expression statement of form 'x = expr;'," " where x is a lvalue expression with scalar type">; def err_omp_atomic_update_not_expression_statement : Error< "the statement for 'atomic update' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x'," " where x is an l-value expression with scalar type">; def err_omp_atomic_not_expression_statement : Error< "the statement for 'atomic' must be an expression statement of form '++x;', '--x;', 'x++;', 'x--;', 'x binop= expr;', 'x = x binop expr' or 'x = expr binop x'," " where x is an l-value expression with scalar type">; def note_omp_atomic_update: Note< "%select{expected an expression statement|expected built-in binary or unary operator|expected unary decrement/increment operation|" "expected expression of scalar type|expected assignment expression|expected built-in binary operator|" "expected one of '+', '*', '-', '/', '&', '^', '%|', '<<', or '>>' built-in operations|expected in right hand side of expression}0">; def err_omp_atomic_capture_not_expression_statement : Error< "the statement for 'atomic capture' must be an expression statement of form 'v = ++x;', 'v = --x;', 'v = x++;', 'v = x--;', 'v = x binop= expr;', 'v = x = x binop expr' or 'v = x = expr binop x'," " where x and v are both l-value expressions with scalar type">; def err_omp_atomic_capture_not_compound_statement : Error< "the statement for 'atomic capture' must be a compound statement of form '{v = x; x binop= expr;}', '{x binop= expr; v = x;}'," " '{v = x; x = x binop expr;}', '{v = x; x = expr binop x;}', '{x = x binop expr; v = x;}', '{x = expr binop x; v = x;}' or '{v = x; x = expr;}'," " '{v = x; x++;}', '{v = x; ++x;}', '{++x; v = x;}', '{x++; v = x;}', '{v = x; x--;}', '{v = x; --x;}', '{--x; v = x;}', '{x--; v = x;}'" " where x is an l-value expression with scalar type">; def note_omp_atomic_capture: Note< "%select{expected assignment expression|expected compound statement|expected exactly two expression statements|expected in right hand side of the first expression}0">; def err_omp_atomic_several_clauses : Error< "directive '#pragma omp atomic' cannot contain more than one 'read', 'write', 'update' or 'capture' clause">; def err_omp_several_mem_order_clauses : Error< "directive '#pragma omp %0' cannot contain more than one %select{'seq_cst', 'relaxed', |}1'acq_rel', 'acquire' or 'release' clause">; def err_omp_atomic_incompatible_mem_order_clause : Error< "directive '#pragma omp atomic%select{ %0|}1' cannot be used with '%2' clause">; def note_omp_previous_mem_order_clause : Note< "'%0' clause used here">; def err_omp_target_contains_not_only_teams : Error< "target construct with nested teams region contains statements outside of the teams construct">; def note_omp_nested_teams_construct_here : Note< "nested teams construct here">; def note_omp_nested_statement_here : Note< "%select{statement|directive}0 outside teams construct here">; def err_omp_single_copyprivate_with_nowait : Error< "the 'copyprivate' clause must not be used with the 'nowait' clause">; def note_omp_nowait_clause_here : Note< "'nowait' clause is here">; def err_omp_single_decl_in_declare_simd_variant : Error< "single declaration is expected after 'declare %select{simd|variant}0' directive">; def err_omp_function_expected : Error< "'#pragma omp declare %select{simd|variant}0' can only be applied to functions">; def err_omp_wrong_cancel_region : Error< "one of 'for', 'parallel', 'sections' or 'taskgroup' is expected">; def err_omp_parent_cancel_region_nowait : Error< "parent region for 'omp %select{cancellation point|cancel}0' construct cannot be nowait">; def err_omp_parent_cancel_region_ordered : Error< "parent region for 'omp %select{cancellation point|cancel}0' construct cannot be ordered">; def err_omp_reduction_wrong_type : Error<"reduction type cannot be %select{qualified with 'const', 'volatile' or 'restrict'|a function|a reference|an array}0 type">; def err_omp_wrong_var_in_declare_reduction : Error<"only %select{'omp_priv' or 'omp_orig'|'omp_in' or 'omp_out'}0 variables are allowed in %select{initializer|combiner}0 expression">; def err_omp_declare_reduction_redefinition : Error<"redefinition of user-defined reduction for type %0">; def err_omp_mapper_wrong_type : Error< "mapper type must be of struct, union or class type">; def err_omp_declare_mapper_wrong_var : Error< "only variable %0 is allowed in map clauses of this 'omp declare mapper' directive">; def err_omp_declare_mapper_redefinition : Error< "redefinition of user-defined mapper for type %0 with name %1">; def err_omp_invalid_mapper: Error< "cannot find a valid user-defined mapper for type %0 with name %1">; def err_omp_array_section_use : Error<"OpenMP array section is not allowed here">; def err_omp_array_shaping_use : Error<"OpenMP array shaping operation is not allowed here">; def err_omp_iterator_use : Error<"OpenMP iterator is not allowed here">; def err_omp_typecheck_section_value : Error< "subscripted value is not an array or pointer">; def err_omp_typecheck_section_not_integer : Error< "array section %select{lower bound|length}0 is not an integer">; def err_omp_typecheck_shaping_not_integer : Error< "array shaping operation dimension is not an integer">; def err_omp_shaping_dimension_not_positive : Error< "array shaping dimension is evaluated to a non-positive value %0">; def err_omp_section_function_type : Error< "section of pointer to function type %0">; def warn_omp_section_is_char : Warning<"array section %select{lower bound|length}0 is of type 'char'">, InGroup, DefaultIgnore; def err_omp_section_incomplete_type : Error< "section of pointer to incomplete type %0">; def err_omp_section_not_subset_of_array : Error< "array section must be a subset of the original array">; def err_omp_section_length_negative : Error< "section length is evaluated to a negative value %0">; def err_omp_section_length_undefined : Error< "section length is unspecified and cannot be inferred because subscripted value is %select{not an array|an array of unknown bound}0">; def err_omp_wrong_linear_modifier : Error< "expected %select{'val' modifier|one of 'ref', val' or 'uval' modifiers}0">; def err_omp_wrong_linear_modifier_non_reference : Error< "variable of non-reference type %0 can be used only with 'val' modifier, but used with '%1'">; def err_omp_wrong_simdlen_safelen_values : Error< "the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter">; def err_omp_wrong_if_directive_name_modifier : Error< "directive name modifier '%0' is not allowed for '#pragma omp %1'">; def err_omp_no_more_if_clause : Error< "no more 'if' clause is allowed">; def err_omp_unnamed_if_clause : Error< "expected%select{| one of}0 %1 directive name modifier%select{|s}0">; def note_omp_previous_named_if_clause : Note< "previous clause with directive name modifier specified here">; def err_omp_ordered_directive_with_param : Error< "'ordered' directive %select{without any clauses|with 'threads' clause}0 cannot be closely nested inside ordered region with specified parameter">; def err_omp_ordered_directive_without_param : Error< "'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter">; def note_omp_ordered_param : Note< "'ordered' clause%select{| with specified parameter}0">; def err_omp_expected_base_var_name : Error< "expected variable name as a base of the array %select{subscript|section}0">; def err_omp_map_shared_storage : Error< "variable already marked as mapped in current construct">; def err_omp_invalid_map_type_for_directive : Error< "%select{map type '%1' is not allowed|map type must be specified}0 for '#pragma omp %2'">; def err_omp_no_clause_for_directive : Error< "expected at least one %0 clause for '#pragma omp %1'">; def err_omp_threadprivate_in_clause : Error< "threadprivate variables are not allowed in '%0' clause">; def err_omp_wrong_ordered_loop_count : Error< "the parameter of the 'ordered' clause must be greater than or equal to the parameter of the 'collapse' clause">; def note_collapse_loop_count : Note< "parameter of the 'collapse' clause">; def err_omp_clauses_mutually_exclusive : Error< "'%0' and '%1' clause are mutually exclusive and may not appear on the same directive">; def note_omp_previous_clause : Note< "'%0' clause is specified here">; def err_omp_hint_clause_no_name : Error< "the name of the construct must be specified in presence of 'hint' clause">; def err_omp_critical_with_hint : Error< "constructs with the same name must have a 'hint' clause with the same value">; def note_omp_critical_hint_here : Note< "%select{|previous }0'hint' clause with value '%1'">; def note_omp_critical_no_hint : Note< "%select{|previous }0directive with no 'hint' clause specified">; def err_omp_depend_clause_thread_simd : Error< "'depend' clauses cannot be mixed with '%0' clause">; def err_omp_depend_sink_expected_loop_iteration : Error< "expected%select{| %1}0 loop iteration variable">; def err_omp_depend_sink_unexpected_expr : Error< "unexpected expression: number of expressions is larger than the number of associated loops">; def err_omp_depend_sink_expected_plus_minus : Error< "expected '+' or '-' operation">; def err_omp_depend_sink_source_not_allowed : Error< "'depend(%select{source|sink:vec}0)' clause%select{|s}0 cannot be mixed with 'depend(%select{sink:vec|source}0)' clause%select{s|}0">; def err_omp_depend_zero_length_array_section_not_allowed : Error< "zero-length array section is not allowed in 'depend' clause">; def err_omp_depend_sink_source_with_modifier : Error< "depend modifier cannot be used with 'sink' or 'source' depend type">; def err_omp_depend_modifier_not_iterator : Error< "expected iterator specification as depend modifier">; def err_omp_linear_ordered : Error< "'linear' clause cannot be specified along with 'ordered' clause with a parameter">; def err_omp_unexpected_schedule_modifier : Error< "modifier '%0' cannot be used along with modifier '%1'">; def err_omp_schedule_nonmonotonic_static : Error< "'nonmonotonic' modifier can only be specified with 'dynamic' or 'guided' schedule kind">; def err_omp_simple_clause_incompatible_with_ordered : Error< "'%0' clause with '%1' modifier cannot be specified if an 'ordered' clause is specified">; def err_omp_ordered_simd : Error< "'ordered' clause with a parameter can not be specified in '#pragma omp %0' directive">; def err_omp_variable_in_given_clause_and_dsa : Error< "%0 variable cannot be in a %1 clause in '#pragma omp %2' directive">; def err_omp_param_or_this_in_clause : Error< "expected reference to one of the parameters of function %0%select{| or 'this'}1">; def err_omp_expected_uniform_param : Error< "expected a reference to a parameter specified in a 'uniform' clause">; def err_omp_expected_int_param : Error< "expected a reference to an integer-typed parameter">; def err_omp_at_least_one_motion_clause_required : Error< "expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'">; def err_omp_usedeviceptr_not_a_pointer : Error< "expected pointer or reference to pointer in 'use_device_ptr' clause">; def err_omp_argument_type_isdeviceptr : Error < "expected pointer, array, reference to pointer, or reference to array in 'is_device_ptr clause'">; def warn_omp_nesting_simd : Warning< "OpenMP only allows an ordered construct with the simd clause nested in a simd construct">, InGroup; def err_omp_orphaned_device_directive : Error< "orphaned 'omp %0' directives are prohibited" "; perhaps you forget to enclose the directive into a " "%select{|||target |teams|for, simd, for simd, parallel for, or parallel for simd }1region?">; def err_omp_reduction_non_addressable_expression : Error< "expected addressable reduction item for the task-based directives">; def err_omp_reduction_with_nogroup : Error< "'reduction' clause cannot be used with 'nogroup' clause">; def err_omp_reduction_vla_unsupported : Error< "cannot generate code for reduction on %select{|array section, which requires a }0variable length array">; def err_omp_linear_distribute_var_non_loop_iteration : Error< "only loop iteration variables are allowed in 'linear' clause in distribute directives">; def warn_omp_non_trivial_type_mapped : Warning< "Type %0 is not trivially copyable and not guaranteed to be mapped correctly">, InGroup; def err_omp_requires_clause_redeclaration : Error < "Only one %0 clause can appear on a requires directive in a single translation unit">; def note_omp_requires_previous_clause : Note < "%0 clause previously used here">; def err_omp_directive_before_requires : Error < "'%0' region encountered before requires directive with '%1' clause">; def note_omp_requires_encountered_directive : Note < "'%0' previously encountered here">; def err_omp_invalid_scope : Error < "'#pragma omp %0' directive must appear only in file scope">; def note_omp_invalid_length_on_this_ptr_mapping : Note < "expected length on mapping of 'this' array section expression to be '1'">; def note_omp_invalid_lower_bound_on_this_ptr_mapping : Note < "expected lower bound on mapping of 'this' array section expression to be '0' or not specified">; def note_omp_invalid_subscript_on_this_ptr_map : Note < "expected 'this' subscript expression on map clause to be 'this[0]'">; def err_omp_invalid_map_this_expr : Error < "invalid 'this' expression on 'map' clause">; def err_omp_implied_type_not_found : Error< "'%0' type not found; include ">; def err_omp_expected_omp_depend_t_lvalue : Error< "expected lvalue expression%select{ of 'omp_depend_t' type, not %1|}0">; def err_omp_depobj_expected : Error< "expected depobj expression">; def err_omp_depobj_single_clause_expected : Error< "exactly one of 'depend', 'destroy', or 'update' clauses is expected">; def err_omp_scan_single_clause_expected : Error< "exactly one of 'inclusive' or 'exclusive' clauses is expected">; def err_omp_inclusive_exclusive_not_reduction : Error< "the list item must appear in 'reduction' clause with the 'inscan' modifier " "of the parent directive">; def err_omp_reduction_not_inclusive_exclusive : Error< "the inscan reduction list item must appear as a list item in an 'inclusive' or" " 'exclusive' clause on an inner 'omp scan' directive">; def err_omp_wrong_inscan_reduction : Error< "'inscan' modifier can be used only in 'omp for', 'omp simd', 'omp for simd'," " 'omp parallel for', or 'omp parallel for simd' directive">; def err_omp_inscan_reduction_expected : Error< "expected 'reduction' clause with the 'inscan' modifier">; def note_omp_previous_inscan_reduction : Note< "'reduction' clause with 'inscan' modifier is used here">; def err_omp_expected_predefined_allocator : Error< "expected one of the predefined allocators for the variables with the static " "storage: 'omp_default_mem_alloc', 'omp_large_cap_mem_alloc', " "'omp_const_mem_alloc', 'omp_high_bw_mem_alloc', 'omp_low_lat_mem_alloc', " "'omp_cgroup_mem_alloc', 'omp_pteam_mem_alloc' or 'omp_thread_mem_alloc'">; def warn_omp_used_different_allocator : Warning< "allocate directive specifies %select{default|'%1'}0 allocator while " "previously used %select{default|'%3'}2">, InGroup; def note_omp_previous_allocator : Note< "previous allocator is specified here">; def err_expected_allocator_clause : Error<"expected an 'allocator' clause " "inside of the target region; provide an 'allocator' clause or use 'requires'" " directive with the 'dynamic_allocators' clause">; def err_expected_allocator_expression : Error<"expected an allocator expression " "inside of the target region; provide an allocator expression or use 'requires'" " directive with the 'dynamic_allocators' clause">; def warn_omp_allocate_thread_on_task_target_directive : Warning< "allocator with the 'thread' trait access has unspecified behavior on '%0' directive">, InGroup; def err_omp_expected_private_copy_for_allocate : Error< "the referenced item is not found in any private clause on the same directive">; def err_omp_stmt_depends_on_loop_counter : Error< "the loop %select{initializer|condition}0 expression depends on the current loop control variable">; def err_omp_invariant_or_linear_dependency : Error< "expected loop invariant expression or ' * %0 + ' kind of expression">; def err_omp_wrong_dependency_iterator_type : Error< "expected an integer or a pointer type of the outer loop counter '%0' for non-rectangular nests">; def err_device_unsupported_type : Error < "%0 requires %1 bit size %2 type support, but device '%3' does not support it">; def err_omp_lambda_capture_in_declare_target_not_to : Error< "variable captured in declare target region must appear in a to clause">; def err_omp_device_type_mismatch : Error< "'device_type(%0)' does not match previously specified 'device_type(%1)' for the same declaration">; def err_omp_wrong_device_function_call : Error< "function with 'device_type(%0)' is not available on %select{device|host}1">; def note_omp_marked_device_type_here : Note<"marked as 'device_type(%0)' here">; def warn_omp_declare_target_after_first_use : Warning< "declaration marked as declare target after first use, it may lead to incorrect results">, InGroup; def err_omp_declare_variant_incompat_attributes : Error< "'#pragma omp declare variant' is not compatible with any target-specific attributes">; def warn_omp_declare_variant_score_not_constant : Warning<"score expressions in the OpenMP context selector need to be " "constant; %0 is not and will be ignored">, InGroup; def err_omp_declare_variant_user_condition_not_constant : Error<"the user condition in the OpenMP context selector needs to be " "constant; %0 is not">; def warn_omp_declare_variant_after_used : Warning< "'#pragma omp declare variant' cannot be applied for function after first " "usage; the original function might be used">, InGroup; def warn_omp_declare_variant_after_emitted : Warning< "'#pragma omp declare variant' cannot be applied to the function that was defined already;" " the original function might be used">, InGroup; def err_omp_declare_variant_doesnt_support : Error< "'#pragma omp declare variant' does not " "support %select{function templates|virtual functions|" "deduced return types|constructors|destructors|deleted functions|" "defaulted functions|constexpr functions|consteval function}0">; def err_omp_declare_variant_diff : Error< "function with '#pragma omp declare variant' has a different %select{calling convention" "|return type|constexpr specification|inline specification|storage class|" "linkage}0">; def err_omp_declare_variant_incompat_types : Error< "variant in '#pragma omp declare variant' with type %0 is incompatible with type %1" >; def warn_omp_declare_variant_marked_as_declare_variant : Warning< "variant function in '#pragma omp declare variant' is itself marked as '#pragma omp declare variant'" >, InGroup; def note_omp_marked_declare_variant_here : Note<"marked as 'declare variant' here">; def err_omp_one_defaultmap_each_category: Error< "at most one defaultmap clause for each variable-category can appear on the directive">; def err_omp_lastprivate_conditional_non_scalar : Error< "expected list item of scalar type in 'lastprivate' clause with 'conditional' modifier" >; def err_omp_flush_order_clause_and_list : Error< "'flush' directive with memory order clause '%0' cannot have the list">; def note_omp_flush_order_clause_here : Note< "memory order clause '%0' is specified here">; def err_omp_non_lvalue_in_map_or_motion_clauses: Error< "expected addressable lvalue in '%0' clause">; def err_omp_var_expected : Error< "expected variable of the '%0' type%select{|, not %2}1">; def warn_nested_declare_variant : Warning<"nesting `omp begin/end declare variant` is not supported yet; " "nested context ignored">, InGroup; def err_omp_non_pointer_type_array_shaping_base : Error< "expected expression with a pointer to a complete type as a base of an array " "shaping operation">; def err_omp_reduction_task_not_parallel_or_worksharing : Error< "'reduction' clause with 'task' modifier allowed only on non-simd parallel or" " worksharing constructs">; def err_omp_expected_array_alloctraits : Error< "expected constant sized array of 'omp_alloctrait_t' elements, not %0">; def err_omp_predefined_allocator_with_traits : Error< "predefined allocator cannot have traits specified">; def note_omp_predefined_allocator : Note< "predefined trait '%0' used here">; def err_omp_nonpredefined_allocator_without_traits : Error< "non-predefined allocator must have traits specified">; def err_omp_allocator_used_in_clauses : Error< "allocators used in 'uses_allocators' clause cannot appear in other " "data-sharing or data-mapping attribute clauses">; def err_omp_allocator_not_in_uses_allocators : Error< "allocator must be specified in the 'uses_allocators' clause">; } // end of OpenMP category let CategoryName = "Related Result Type Issue" in { // Objective-C related result type compatibility def warn_related_result_type_compatibility_class : Warning< "method is expected to return an instance of its class type " "%diff{$, but is declared to return $|" ", but is declared to return different type}0,1">; def warn_related_result_type_compatibility_protocol : Warning< "protocol method is expected to return an instance of the implementing " "class, but is declared to return %0">; def note_related_result_type_family : Note< "%select{overridden|current}0 method is part of the '%select{|alloc|copy|init|" "mutableCopy|new|autorelease|dealloc|finalize|release|retain|retainCount|" "self}1' method family%select{| and is expected to return an instance of its " "class type}0">; def note_related_result_type_overridden : Note< "overridden method returns an instance of its class type">; def note_related_result_type_inferred : Note< "%select{class|instance}0 method %1 is assumed to return an instance of " "its receiver type (%2)">; def note_related_result_type_explicit : Note< "%select{overridden|current}0 method is explicitly declared 'instancetype'" "%select{| and is expected to return an instance of its class type}0">; def err_invalid_type_for_program_scope_var : Error< "the %0 type cannot be used to declare a program scope variable">; } let CategoryName = "Modules Issue" in { def err_module_decl_in_module_map_module : Error< "'module' declaration found while building module from module map">; def err_module_decl_in_header_module : Error< "'module' declaration found while building header unit">; def err_module_interface_implementation_mismatch : Error< "missing 'export' specifier in module declaration while " "building module interface">; def err_current_module_name_mismatch : Error< "module name '%0' specified on command line does not match name of module">; def err_module_redefinition : Error< "redefinition of module '%0'">; def note_prev_module_definition : Note<"previously defined here">; def note_prev_module_definition_from_ast_file : Note<"module loaded from '%0'">; def err_module_not_defined : Error< "definition of module '%0' is not available; use -fmodule-file= to specify " "path to precompiled module interface">; def err_module_redeclaration : Error< "translation unit contains multiple module declarations">; def note_prev_module_declaration : Note<"previous module declaration is here">; def err_module_declaration_missing : Error< "missing 'export module' declaration in module interface unit">; def err_module_declaration_missing_after_global_module_introducer : Error< "missing 'module' declaration at end of global module fragment " "introduced here">; def err_module_private_specialization : Error< "%select{template|partial|member}0 specialization cannot be " "declared __module_private__">; def err_module_private_local : Error< "%select{local variable|parameter|typedef}0 %1 cannot be declared " "__module_private__">; def err_module_private_local_class : Error< "local %select{struct|interface|union|class|enum}0 cannot be declared " "__module_private__">; def err_module_unimported_use : Error< "%select{declaration|definition|default argument|" "explicit specialization|partial specialization}0 of %1 must be imported " "from module '%2' before it is required">; def err_module_unimported_use_header : Error< "%select{missing '#include'|missing '#include %3'}2; " "%select{||default argument of |explicit specialization of |" "partial specialization of }0%1 must be " "%select{declared|defined|defined|declared|declared}0 " "before it is used">; def err_module_unimported_use_multiple : Error< "%select{declaration|definition|default argument|" "explicit specialization|partial specialization}0 of %1 must be imported " "from one of the following modules before it is required:%2">; def note_unreachable_entity : Note< "%select{declaration|definition|default argument declared|" "explicit specialization declared|partial specialization declared}0 here " "is not %select{visible|reachable|reachable|reachable|reachable|reachable}0">; def ext_module_import_in_extern_c : ExtWarn< "import of C++ module '%0' appears within extern \"C\" language linkage " "specification">, DefaultError, InGroup>; def err_module_import_not_at_top_level_fatal : Error< "import of module '%0' appears within %1">, DefaultFatal; def ext_module_import_not_at_top_level_noop : ExtWarn< "redundant #include of module '%0' appears within %1">, DefaultError, InGroup>; def note_module_import_not_at_top_level : Note<"%0 begins here">; def err_module_self_import : Error< "import of module '%0' appears within same top-level module '%1'">; def err_module_import_in_implementation : Error< "@import of module '%0' in implementation of '%1'; use #import">; // C++ Modules def err_module_decl_not_at_start : Error< "module declaration must occur at the start of the translation unit">; def note_global_module_introducer_missing : Note< "add 'module;' to the start of the file to introduce a " "global module fragment">; def err_export_within_anonymous_namespace : Error< "export declaration appears within anonymous namespace">; def note_anonymous_namespace : Note<"anonymous namespace begins here">; def ext_export_no_name_block : ExtWarn< "ISO C++20 does not permit %select{an empty|a static_assert}0 declaration " "to appear in an export block">, InGroup; def ext_export_no_names : ExtWarn< "ISO C++20 does not permit a declaration that does not introduce any names " "to be exported">, InGroup; def note_export : Note<"export block begins here">; def err_export_no_name : Error< "%select{empty|static_assert|asm}0 declaration cannot be exported">; def ext_export_using_directive : ExtWarn< "ISO C++20 does not permit using directive to be exported">, InGroup>; def err_export_within_export : Error< "export declaration appears within another export declaration">; def err_export_internal : Error< "declaration of %0 with internal linkage cannot be exported">; def err_export_using_internal : Error< "using declaration referring to %0 with internal linkage cannot be exported">; def err_export_not_in_module_interface : Error< "export declaration can only be used within a module interface unit" "%select{ after the module declaration|}0">; def err_export_in_private_module_fragment : Error< "export declaration cannot be used in a private module fragment">; def note_private_module_fragment : Note< "private module fragment begins here">; def err_private_module_fragment_not_module : Error< "private module fragment declaration with no preceding module declaration">; def err_private_module_fragment_redefined : Error< "private module fragment redefined">; def err_private_module_fragment_not_module_interface : Error< "private module fragment in module implementation unit">; def note_not_module_interface_add_export : Note< "add 'export' here if this is intended to be a module interface unit">; def ext_equivalent_internal_linkage_decl_in_modules : ExtWarn< "ambiguous use of internal linkage declaration %0 defined in multiple modules">, InGroup>; def note_equivalent_internal_linkage_decl : Note< "declared here%select{ in module '%1'|}0">; def note_redefinition_modules_same_file : Note< "'%0' included multiple times, additional include site in header from module '%1'">; def note_redefinition_include_same_file : Note< "'%0' included multiple times, additional include site here">; } let CategoryName = "Coroutines Issue" in { def err_return_in_coroutine : Error< "return statement not allowed in coroutine; did you mean 'co_return'?">; def note_declared_coroutine_here : Note< "function is a coroutine due to use of '%0' here">; def err_coroutine_objc_method : Error< "Objective-C methods as coroutines are not yet supported">; def err_coroutine_unevaluated_context : Error< "'%0' cannot be used in an unevaluated context">; def err_coroutine_within_handler : Error< "'%0' cannot be used in the handler of a try block">; def err_coroutine_outside_function : Error< "'%0' cannot be used outside a function">; def err_coroutine_invalid_func_context : Error< "'%1' cannot be used in %select{a constructor|a destructor" "|the 'main' function|a constexpr function" "|a function with a deduced return type|a varargs function" "|a consteval function}0">; def err_implied_coroutine_type_not_found : Error< "%0 type was not found; include before defining " "a coroutine">; def err_implicit_coroutine_std_nothrow_type_not_found : Error< "std::nothrow was not found; include before defining a coroutine which " "uses get_return_object_on_allocation_failure()">; def err_malformed_std_nothrow : Error< "std::nothrow must be a valid variable declaration">; def err_malformed_std_coroutine_handle : Error< "std::experimental::coroutine_handle must be a class template">; def err_coroutine_handle_missing_member : Error< "std::experimental::coroutine_handle missing a member named '%0'">; def err_malformed_std_coroutine_traits : Error< "'std::experimental::coroutine_traits' must be a class template">; def err_implied_std_coroutine_traits_promise_type_not_found : Error< "this function cannot be a coroutine: %q0 has no member named 'promise_type'">; def err_implied_std_coroutine_traits_promise_type_not_class : Error< "this function cannot be a coroutine: %0 is not a class">; def err_coroutine_promise_type_incomplete : Error< "this function cannot be a coroutine: %0 is an incomplete type">; def err_coroutine_type_missing_specialization : Error< "this function cannot be a coroutine: missing definition of " "specialization %0">; def err_coroutine_promise_incompatible_return_functions : Error< "the coroutine promise type %0 declares both 'return_value' and 'return_void'">; def err_coroutine_promise_requires_return_function : Error< "the coroutine promise type %0 must declare either 'return_value' or 'return_void'">; def note_coroutine_promise_implicit_await_transform_required_here : Note< "call to 'await_transform' implicitly required by 'co_await' here">; def note_coroutine_promise_suspend_implicitly_required : Note< "call to '%select{initial_suspend|final_suspend}0' implicitly " "required by the %select{initial suspend point|final suspend point}0">; def err_coroutine_promise_unhandled_exception_required : Error< "%0 is required to declare the member 'unhandled_exception()'">; def warn_coroutine_promise_unhandled_exception_required_with_exceptions : Warning< "%0 is required to declare the member 'unhandled_exception()' when exceptions are enabled">, InGroup; def err_coroutine_promise_get_return_object_on_allocation_failure : Error< "%0: 'get_return_object_on_allocation_failure()' must be a static member function">; def err_seh_in_a_coroutine_with_cxx_exceptions : Error< "cannot use SEH '__try' in a coroutine when C++ exceptions are enabled">; def err_coroutine_promise_new_requires_nothrow : Error< "%0 is required to have a non-throwing noexcept specification when the promise " "type declares 'get_return_object_on_allocation_failure()'">; def note_coroutine_promise_call_implicitly_required : Note< "call to %0 implicitly required by coroutine function here">; def err_await_suspend_invalid_return_type : Error< "return type of 'await_suspend' is required to be 'void' or 'bool' (have %0)" >; def note_await_ready_no_bool_conversion : Note< "return type of 'await_ready' is required to be contextually convertible to 'bool'" >; } let CategoryName = "Documentation Issue" in { def warn_not_a_doxygen_trailing_member_comment : Warning< "not a Doxygen trailing comment">, InGroup, DefaultIgnore; } // end of documentation issue category let CategoryName = "Nullability Issue" in { def warn_mismatched_nullability_attr : Warning< "nullability specifier %0 conflicts with existing specifier %1">, InGroup; def warn_nullability_declspec : Warning< "nullability specifier %0 cannot be applied " "to non-pointer type %1; did you mean to apply the specifier to the " "%select{pointer|block pointer|member pointer|function pointer|" "member function pointer}2?">, InGroup, DefaultError; def note_nullability_here : Note<"%0 specified here">; def err_nullability_nonpointer : Error< "nullability specifier %0 cannot be applied to non-pointer type %1">; def warn_nullability_lost : Warning< "implicit conversion from nullable pointer %0 to non-nullable pointer " "type %1">, InGroup, DefaultIgnore; def warn_zero_as_null_pointer_constant : Warning< "zero as null pointer constant">, InGroup>, DefaultIgnore; def err_nullability_cs_multilevel : Error< "nullability keyword %0 cannot be applied to multi-level pointer type %1">; def note_nullability_type_specifier : Note< "use nullability type specifier %0 to affect the innermost " "pointer type of %1">; def warn_null_resettable_setter : Warning< "synthesized setter %0 for null_resettable property %1 does not handle nil">, InGroup; def warn_nullability_missing : Warning< "%select{pointer|block pointer|member pointer}0 is missing a nullability " "type specifier (_Nonnull, _Nullable, or _Null_unspecified)">, InGroup; def warn_nullability_missing_array : Warning< "array parameter is missing a nullability type specifier (_Nonnull, " "_Nullable, or _Null_unspecified)">, InGroup; def note_nullability_fix_it : Note< "insert '%select{_Nonnull|_Nullable|_Null_unspecified}0' if the " "%select{pointer|block pointer|member pointer|array parameter}1 " "%select{should never be null|may be null|should not declare nullability}0">; def warn_nullability_inferred_on_nested_type : Warning< "inferring '_Nonnull' for pointer type within %select{array|reference}0 is " "deprecated">, InGroup; def err_objc_type_arg_explicit_nullability : Error< "type argument %0 cannot explicitly specify nullability">; def err_objc_type_param_bound_explicit_nullability : Error< "type parameter %0 bound %1 cannot explicitly specify nullability">; } let CategoryName = "Generics Issue" in { def err_objc_type_param_bound_nonobject : Error< "type bound %0 for type parameter %1 is not an Objective-C pointer type">; def err_objc_type_param_bound_missing_pointer : Error< "missing '*' in type bound %0 for type parameter %1">; def err_objc_type_param_bound_qualified : Error< "type bound %1 for type parameter %0 cannot be qualified with '%2'">; def err_objc_type_param_redecl : Error< "redeclaration of type parameter %0">; def err_objc_type_param_arity_mismatch : Error< "%select{forward class declaration|class definition|category|extension}0 has " "too %select{few|many}1 type parameters (expected %2, have %3)">; def err_objc_type_param_bound_conflict : Error< "type bound %0 for type parameter %1 conflicts with " "%select{implicit|previous}2 bound %3%select{for type parameter %5|}4">; def err_objc_type_param_variance_conflict : Error< "%select{in|co|contra}0variant type parameter %1 conflicts with previous " "%select{in|co|contra}2variant type parameter %3">; def note_objc_type_param_here : Note<"type parameter %0 declared here">; def err_objc_type_param_bound_missing : Error< "missing type bound %0 for type parameter %1 in %select{@interface|@class}2">; def err_objc_parameterized_category_nonclass : Error< "%select{extension|category}0 of non-parameterized class %1 cannot have type " "parameters">; def err_objc_parameterized_forward_class : Error< "forward declaration of non-parameterized class %0 cannot have type " "parameters">; def err_objc_parameterized_forward_class_first : Error< "class %0 previously declared with type parameters">; def err_objc_type_arg_missing_star : Error< "type argument %0 must be a pointer (requires a '*')">; def err_objc_type_arg_qualified : Error< "type argument %0 cannot be qualified with '%1'">; def err_objc_type_arg_missing : Error< "no type or protocol named %0">; def err_objc_type_args_and_protocols : Error< "angle brackets contain both a %select{type|protocol}0 (%1) and a " "%select{protocol|type}0 (%2)">; def err_objc_type_args_non_class : Error< "type arguments cannot be applied to non-class type %0">; def err_objc_type_args_non_parameterized_class : Error< "type arguments cannot be applied to non-parameterized class %0">; def err_objc_type_args_specialized_class : Error< "type arguments cannot be applied to already-specialized class type %0">; def err_objc_type_args_wrong_arity : Error< "too %select{many|few}0 type arguments for class %1 (have %2, expected %3)">; } def err_objc_type_arg_not_id_compatible : Error< "type argument %0 is neither an Objective-C object nor a block type">; def err_objc_type_arg_does_not_match_bound : Error< "type argument %0 does not satisfy the bound (%1) of type parameter %2">; def warn_objc_redundant_qualified_class_type : Warning< "parameterized class %0 already conforms to the protocols listed; did you " "forget a '*'?">, InGroup; def warn_block_literal_attributes_on_omitted_return_type : Warning< "attribute %0 ignored, because it cannot be applied to omitted return type">, InGroup; def warn_block_literal_qualifiers_on_omitted_return_type : Warning< "'%0' qualifier on omitted return type %1 has no effect">, InGroup; def warn_shadow_field : Warning< "%select{parameter|non-static data member}3 %0 %select{|of %1 }3shadows " "member inherited from type %2">, InGroup, DefaultIgnore; def note_shadow_field : Note<"declared here">; def err_multiversion_required_in_redecl : Error< "function declaration is missing %select{'target'|'cpu_specific' or " "'cpu_dispatch'}0 attribute in a multiversioned function">; def note_multiversioning_caused_here : Note< "function multiversioning caused by this declaration">; def err_multiversion_after_used : Error< "function declaration cannot become a multiversioned function after first " "usage">; def err_bad_multiversion_option : Error< "function multiversioning doesn't support %select{feature|architecture}0 " "'%1'">; def err_multiversion_duplicate : Error< "multiversioned function redeclarations require identical target attributes">; def err_multiversion_noproto : Error< "multiversioned function must have a prototype">; def err_multiversion_no_other_attrs : Error< "attribute '%select{target|cpu_specific|cpu_dispatch}0' multiversioning cannot be combined" " with other attributes">; def err_multiversion_diff : Error< "multiversioned function declaration has a different %select{calling convention" "|return type|constexpr specification|inline specification|storage class|" "linkage}0">; def err_multiversion_doesnt_support : Error< "attribute '%select{target|cpu_specific|cpu_dispatch}0' multiversioned functions do not " "yet support %select{function templates|virtual functions|" "deduced return types|constructors|destructors|deleted functions|" "defaulted functions|constexpr functions|consteval function}1">; def err_multiversion_not_allowed_on_main : Error< "'main' cannot be a multiversioned function">; def err_multiversion_not_supported : Error< "function multiversioning is not supported on the current target">; def err_multiversion_types_mixed : Error< "multiversioning attributes cannot be combined">; def err_cpu_dispatch_mismatch : Error< "'cpu_dispatch' function redeclared with different CPUs">; def err_cpu_specific_multiple_defs : Error< "multiple 'cpu_specific' functions cannot specify the same CPU: %0">; def warn_multiversion_duplicate_entries : Warning< "CPU list contains duplicate entries; attribute ignored">, InGroup; def warn_dispatch_body_ignored : Warning< "body of cpu_dispatch function will be ignored">, InGroup; // three-way comparison operator diagnostics def err_implied_comparison_category_type_not_found : Error< "cannot %select{use builtin operator '<=>'|default 'operator<=>'}1 " "because type '%0' was not found; include ">; def err_spaceship_argument_narrowing : Error< "argument to 'operator<=>' " "%select{cannot be narrowed from type %1 to %2|" "evaluates to %1, which cannot be narrowed to type %2}0">; def err_std_compare_type_not_supported : Error< "standard library implementation of %0 is not supported; " "%select{member '%2' does not have expected form|" "member '%2' is missing|" "the type is not trivially copyable|" "the type does not have the expected form}1">; def note_rewriting_operator_as_spaceship : Note< "while rewriting comparison as call to 'operator<=>' declared here">; def err_three_way_vector_comparison : Error< "three-way comparison between vectors is not supported">; // Memory Tagging Extensions (MTE) diagnostics def err_memtag_arg_null_or_pointer : Error< "%0 argument of MTE builtin function must be a null or a pointer (%1 invalid)">; def err_memtag_any2arg_pointer : Error< "at least one argument of MTE builtin function must be a pointer (%0, %1 invalid)">; def err_memtag_arg_must_be_pointer : Error< "%0 argument of MTE builtin function must be a pointer (%1 invalid)">; def err_memtag_arg_must_be_integer : Error< "%0 argument of MTE builtin function must be an integer type (%1 invalid)">; def warn_dereference_of_noderef_type : Warning< "dereferencing %0; was declared with a 'noderef' type">, InGroup; def warn_dereference_of_noderef_type_no_decl : Warning< "dereferencing expression marked as 'noderef'">, InGroup; def warn_noderef_on_non_pointer_or_array : Warning< "'noderef' can only be used on an array or pointer type">, InGroup; def warn_noderef_to_dereferenceable_pointer : Warning< "casting to dereferenceable pointer removes 'noderef' attribute">, InGroup; def err_builtin_launder_invalid_arg : Error< "%select{non-pointer|function pointer|void pointer}0 argument to " "'__builtin_launder' is not allowed">; def err_builtin_matrix_disabled: Error< "matrix types extension is disabled. Pass -fenable-matrix to enable it">; def err_matrix_index_not_integer: Error< "matrix %select{row|column}0 index is not an integer">; def err_matrix_index_outside_range: Error< "matrix %select{row|column}0 index is outside the allowed range [0, %1)">; def err_matrix_incomplete_index: Error< "single subscript expressions are not allowed for matrix values">; def err_matrix_separate_incomplete_index: Error< "matrix row and column subscripts cannot be separated by any expression">; def err_matrix_subscript_comma: Error< "comma expressions are not allowed as indices in matrix subscript expressions">; def warn_mismatched_import : Warning< "import %select{module|name}0 (%1) does not match the import %select{module|name}0 (%2) of the " "previous declaration">, InGroup; def warn_import_on_definition : Warning< "import %select{module|name}0 cannot be applied to a function with a definition">, InGroup; -def err_builtin_matrix_arg: Error< - "%select{first|second}0 argument must be a matrix">; +def err_builtin_matrix_arg: Error<"first argument must be a matrix">; def err_builtin_matrix_scalar_unsigned_arg: Error< "%0 argument must be a constant unsigned integer expression">; def err_builtin_matrix_pointer_arg: Error< - "%select{first|second}0 argument must be a pointer to a valid matrix element type">; + "%0 argument must be a pointer to a valid matrix element type">; + +def err_builtin_matrix_pointer_arg_mismatch: Error< + "the pointee of the second argument must match the element type of the first argument (%0 != %1)">; + +def err_builtin_matrix_store_to_const: Error< + "cannot store matrix to read-only pointer">; def err_builtin_matrix_stride_too_small: Error< "stride must be greater or equal to the number of rows">; def err_builtin_matrix_invalid_dimension: Error< "%0 dimension is outside the allowed range [1, %1]">; def err_preserve_field_info_not_field : Error< "__builtin_preserve_field_info argument %0 not a field access">; def err_preserve_field_info_not_const: Error< "__builtin_preserve_field_info argument %0 not a constant">; def err_btf_type_id_not_const: Error< "__builtin_btf_type_id argument %0 not a constant">; def err_bit_cast_non_trivially_copyable : Error< "__builtin_bit_cast %select{source|destination}0 type must be trivially copyable">; def err_bit_cast_type_size_mismatch : Error< "__builtin_bit_cast source size does not equal destination size (%0 vs %1)">; // SYCL-specific diagnostics def warn_sycl_kernel_num_of_template_params : Warning< "'sycl_kernel' attribute only applies to a function template with at least" " two template parameters">, InGroup; def warn_sycl_kernel_invalid_template_param_type : Warning< "template parameter of a function template with the 'sycl_kernel' attribute" " cannot be a non-type template parameter">, InGroup; def warn_sycl_kernel_num_of_function_params : Warning< "function template with 'sycl_kernel' attribute must have a single parameter">, InGroup; def warn_sycl_kernel_return_type : Warning< "function template with 'sycl_kernel' attribute must have a 'void' return type">, InGroup; def err_ext_int_bad_size : Error<"%select{signed|unsigned}0 _ExtInt must " "have a bit size of at least %select{2|1}0">; def err_ext_int_max_size : Error<"%select{signed|unsigned}0 _ExtInt of bit " "sizes greater than %1 not supported">; } // end of sema component. diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h index 4f8289d70747..85c5ab476b5f 100644 --- a/clang/include/clang/Sema/Sema.h +++ b/clang/include/clang/Sema/Sema.h @@ -1,12562 +1,12564 @@ //===--- Sema.h - Semantic Analysis & AST Building --------------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file defines the Sema class, which performs semantic analysis and // builds ASTs. // //===----------------------------------------------------------------------===// #ifndef LLVM_CLANG_SEMA_SEMA_H #define LLVM_CLANG_SEMA_SEMA_H #include "clang/AST/ASTConcept.h" #include "clang/AST/ASTFwd.h" #include "clang/AST/Attr.h" #include "clang/AST/Availability.h" #include "clang/AST/ComparisonCategories.h" #include "clang/AST/DeclTemplate.h" #include "clang/AST/DeclarationName.h" #include "clang/AST/Expr.h" #include "clang/AST/ExprCXX.h" #include "clang/AST/ExprConcepts.h" #include "clang/AST/ExprObjC.h" #include "clang/AST/ExprOpenMP.h" #include "clang/AST/ExternalASTSource.h" #include "clang/AST/LocInfoType.h" #include "clang/AST/MangleNumberingContext.h" #include "clang/AST/NSAPI.h" #include "clang/AST/PrettyPrinter.h" #include "clang/AST/StmtCXX.h" #include "clang/AST/TypeLoc.h" #include "clang/AST/TypeOrdering.h" #include "clang/Basic/BitmaskEnum.h" #include "clang/Basic/ExpressionTraits.h" #include "clang/Basic/Module.h" #include "clang/Basic/OpenCLOptions.h" #include "clang/Basic/OpenMPKinds.h" #include "clang/Basic/PragmaKinds.h" #include "clang/Basic/Specifiers.h" #include "clang/Basic/TemplateKinds.h" #include "clang/Basic/TypeTraits.h" #include "clang/Sema/AnalysisBasedWarnings.h" #include "clang/Sema/CleanupInfo.h" #include "clang/Sema/DeclSpec.h" #include "clang/Sema/ExternalSemaSource.h" #include "clang/Sema/IdentifierResolver.h" #include "clang/Sema/ObjCMethodList.h" #include "clang/Sema/Ownership.h" #include "clang/Sema/Scope.h" #include "clang/Sema/SemaConcept.h" #include "clang/Sema/TypoCorrection.h" #include "clang/Sema/Weak.h" #include "llvm/ADT/ArrayRef.h" #include "llvm/ADT/Optional.h" #include "llvm/ADT/SetVector.h" #include "llvm/ADT/SmallBitVector.h" #include "llvm/ADT/SmallSet.h" #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/TinyPtrVector.h" #include "llvm/Frontend/OpenMP/OMPConstants.h" #include #include #include #include #include namespace llvm { class APSInt; template struct DenseMapInfo; template class DenseSet; class SmallBitVector; struct InlineAsmIdentifierInfo; } namespace clang { class ADLResult; class ASTConsumer; class ASTContext; class ASTMutationListener; class ASTReader; class ASTWriter; class ArrayType; class ParsedAttr; class BindingDecl; class BlockDecl; class CapturedDecl; class CXXBasePath; class CXXBasePaths; class CXXBindTemporaryExpr; typedef SmallVector CXXCastPath; class CXXConstructorDecl; class CXXConversionDecl; class CXXDeleteExpr; class CXXDestructorDecl; class CXXFieldCollector; class CXXMemberCallExpr; class CXXMethodDecl; class CXXScopeSpec; class CXXTemporary; class CXXTryStmt; class CallExpr; class ClassTemplateDecl; class ClassTemplatePartialSpecializationDecl; class ClassTemplateSpecializationDecl; class VarTemplatePartialSpecializationDecl; class CodeCompleteConsumer; class CodeCompletionAllocator; class CodeCompletionTUInfo; class CodeCompletionResult; class CoroutineBodyStmt; class Decl; class DeclAccessPair; class DeclContext; class DeclRefExpr; class DeclaratorDecl; class DeducedTemplateArgument; class DependentDiagnostic; class DesignatedInitExpr; class Designation; class EnableIfAttr; class EnumConstantDecl; class Expr; class ExtVectorType; class FormatAttr; class FriendDecl; class FunctionDecl; class FunctionProtoType; class FunctionTemplateDecl; class ImplicitConversionSequence; typedef MutableArrayRef ConversionSequenceList; class InitListExpr; class InitializationKind; class InitializationSequence; class InitializedEntity; class IntegerLiteral; class LabelStmt; class LambdaExpr; class LangOptions; class LocalInstantiationScope; class LookupResult; class MacroInfo; typedef ArrayRef> ModuleIdPath; class ModuleLoader; class MultiLevelTemplateArgumentList; class NamedDecl; class ObjCCategoryDecl; class ObjCCategoryImplDecl; class ObjCCompatibleAliasDecl; class ObjCContainerDecl; class ObjCImplDecl; class ObjCImplementationDecl; class ObjCInterfaceDecl; class ObjCIvarDecl; template class ObjCList; class ObjCMessageExpr; class ObjCMethodDecl; class ObjCPropertyDecl; class ObjCProtocolDecl; class OMPThreadPrivateDecl; class OMPRequiresDecl; class OMPDeclareReductionDecl; class OMPDeclareSimdDecl; class OMPClause; struct OMPVarListLocTy; struct OverloadCandidate; enum class OverloadCandidateParamOrder : char; enum OverloadCandidateRewriteKind : unsigned; class OverloadCandidateSet; class OverloadExpr; class ParenListExpr; class ParmVarDecl; class Preprocessor; class PseudoDestructorTypeStorage; class PseudoObjectExpr; class QualType; class StandardConversionSequence; class Stmt; class StringLiteral; class SwitchStmt; class TemplateArgument; class TemplateArgumentList; class TemplateArgumentLoc; class TemplateDecl; class TemplateInstantiationCallback; class TemplateParameterList; class TemplatePartialOrderingContext; class TemplateTemplateParmDecl; class Token; class TypeAliasDecl; class TypedefDecl; class TypedefNameDecl; class TypeLoc; class TypoCorrectionConsumer; class UnqualifiedId; class UnresolvedLookupExpr; class UnresolvedMemberExpr; class UnresolvedSetImpl; class UnresolvedSetIterator; class UsingDecl; class UsingShadowDecl; class ValueDecl; class VarDecl; class VarTemplateSpecializationDecl; class VisibilityAttr; class VisibleDeclConsumer; class IndirectFieldDecl; struct DeductionFailureInfo; class TemplateSpecCandidateSet; namespace sema { class AccessedEntity; class BlockScopeInfo; class Capture; class CapturedRegionScopeInfo; class CapturingScopeInfo; class CompoundScopeInfo; class DelayedDiagnostic; class DelayedDiagnosticPool; class FunctionScopeInfo; class LambdaScopeInfo; class PossiblyUnreachableDiag; class SemaPPCallbacks; class TemplateDeductionInfo; } namespace threadSafety { class BeforeSet; void threadSafetyCleanup(BeforeSet* Cache); } // FIXME: No way to easily map from TemplateTypeParmTypes to // TemplateTypeParmDecls, so we have this horrible PointerUnion. typedef std::pair, SourceLocation> UnexpandedParameterPack; /// Describes whether we've seen any nullability information for the given /// file. struct FileNullability { /// The first pointer declarator (of any pointer kind) in the file that does /// not have a corresponding nullability annotation. SourceLocation PointerLoc; /// The end location for the first pointer declarator in the file. Used for /// placing fix-its. SourceLocation PointerEndLoc; /// Which kind of pointer declarator we saw. uint8_t PointerKind; /// Whether we saw any type nullability annotations in the given file. bool SawTypeNullability = false; }; /// A mapping from file IDs to a record of whether we've seen nullability /// information in that file. class FileNullabilityMap { /// A mapping from file IDs to the nullability information for each file ID. llvm::DenseMap Map; /// A single-element cache based on the file ID. struct { FileID File; FileNullability Nullability; } Cache; public: FileNullability &operator[](FileID file) { // Check the single-element cache. if (file == Cache.File) return Cache.Nullability; // It's not in the single-element cache; flush the cache if we have one. if (!Cache.File.isInvalid()) { Map[Cache.File] = Cache.Nullability; } // Pull this entry into the cache. Cache.File = file; Cache.Nullability = Map[file]; return Cache.Nullability; } }; /// Keeps track of expected type during expression parsing. The type is tied to /// a particular token, all functions that update or consume the type take a /// start location of the token they are looking at as a parameter. This allows /// to avoid updating the type on hot paths in the parser. class PreferredTypeBuilder { public: PreferredTypeBuilder() = default; explicit PreferredTypeBuilder(QualType Type) : Type(Type) {} void enterCondition(Sema &S, SourceLocation Tok); void enterReturn(Sema &S, SourceLocation Tok); void enterVariableInit(SourceLocation Tok, Decl *D); /// Computing a type for the function argument may require running /// overloading, so we postpone its computation until it is actually needed. /// /// Clients should be very careful when using this funciton, as it stores a /// function_ref, clients should make sure all calls to get() with the same /// location happen while function_ref is alive. void enterFunctionArgument(SourceLocation Tok, llvm::function_ref ComputeType); void enterParenExpr(SourceLocation Tok, SourceLocation LParLoc); void enterUnary(Sema &S, SourceLocation Tok, tok::TokenKind OpKind, SourceLocation OpLoc); void enterBinary(Sema &S, SourceLocation Tok, Expr *LHS, tok::TokenKind Op); void enterMemAccess(Sema &S, SourceLocation Tok, Expr *Base); void enterSubscript(Sema &S, SourceLocation Tok, Expr *LHS); /// Handles all type casts, including C-style cast, C++ casts, etc. void enterTypeCast(SourceLocation Tok, QualType CastType); QualType get(SourceLocation Tok) const { if (Tok != ExpectedLoc) return QualType(); if (!Type.isNull()) return Type; if (ComputeType) return ComputeType(); return QualType(); } private: /// Start position of a token for which we store expected type. SourceLocation ExpectedLoc; /// Expected type for a token starting at ExpectedLoc. QualType Type; /// A function to compute expected type at ExpectedLoc. It is only considered /// if Type is null. llvm::function_ref ComputeType; }; /// Sema - This implements semantic analysis and AST building for C. class Sema final { Sema(const Sema &) = delete; void operator=(const Sema &) = delete; /// A key method to reduce duplicate debug info from Sema. virtual void anchor(); ///Source of additional semantic information. ExternalSemaSource *ExternalSource; ///Whether Sema has generated a multiplexer and has to delete it. bool isMultiplexExternalSource; static bool mightHaveNonExternalLinkage(const DeclaratorDecl *FD); bool isVisibleSlow(const NamedDecl *D); /// Determine whether two declarations should be linked together, given that /// the old declaration might not be visible and the new declaration might /// not have external linkage. bool shouldLinkPossiblyHiddenDecl(const NamedDecl *Old, const NamedDecl *New) { if (isVisible(Old)) return true; // See comment in below overload for why it's safe to compute the linkage // of the new declaration here. if (New->isExternallyDeclarable()) { assert(Old->isExternallyDeclarable() && "should not have found a non-externally-declarable previous decl"); return true; } return false; } bool shouldLinkPossiblyHiddenDecl(LookupResult &Old, const NamedDecl *New); void setupImplicitSpecialMemberType(CXXMethodDecl *SpecialMem, QualType ResultTy, ArrayRef Args); public: /// The maximum alignment, same as in llvm::Value. We duplicate them here /// because that allows us not to duplicate the constants in clang code, /// which we must to since we can't directly use the llvm constants. /// The value is verified against llvm here: lib/CodeGen/CGDecl.cpp /// /// This is the greatest alignment value supported by load, store, and alloca /// instructions, and global values. static const unsigned MaxAlignmentExponent = 29; static const unsigned MaximumAlignment = 1u << MaxAlignmentExponent; typedef OpaquePtr DeclGroupPtrTy; typedef OpaquePtr TemplateTy; typedef OpaquePtr TypeTy; OpenCLOptions OpenCLFeatures; FPOptions CurFPFeatures; const LangOptions &LangOpts; Preprocessor &PP; ASTContext &Context; ASTConsumer &Consumer; DiagnosticsEngine &Diags; SourceManager &SourceMgr; /// Flag indicating whether or not to collect detailed statistics. bool CollectStats; /// Code-completion consumer. CodeCompleteConsumer *CodeCompleter; /// CurContext - This is the current declaration context of parsing. DeclContext *CurContext; /// Generally null except when we temporarily switch decl contexts, /// like in \see ActOnObjCTemporaryExitContainerContext. DeclContext *OriginalLexicalContext; /// VAListTagName - The declaration name corresponding to __va_list_tag. /// This is used as part of a hack to omit that class from ADL results. DeclarationName VAListTagName; bool MSStructPragmaOn; // True when \#pragma ms_struct on /// Controls member pointer representation format under the MS ABI. LangOptions::PragmaMSPointersToMembersKind MSPointerToMemberRepresentationMethod; /// Stack of active SEH __finally scopes. Can be empty. SmallVector CurrentSEHFinally; /// Source location for newly created implicit MSInheritanceAttrs SourceLocation ImplicitMSInheritanceAttrLoc; /// Holds TypoExprs that are created from `createDelayedTypo`. This is used by /// `TransformTypos` in order to keep track of any TypoExprs that are created /// recursively during typo correction and wipe them away if the correction /// fails. llvm::SmallVector TypoExprs; /// pragma clang section kind enum PragmaClangSectionKind { PCSK_Invalid = 0, PCSK_BSS = 1, PCSK_Data = 2, PCSK_Rodata = 3, PCSK_Text = 4, PCSK_Relro = 5 }; enum PragmaClangSectionAction { PCSA_Set = 0, PCSA_Clear = 1 }; struct PragmaClangSection { std::string SectionName; bool Valid = false; SourceLocation PragmaLocation; void Act(SourceLocation PragmaLocation, PragmaClangSectionAction Action, StringLiteral* Name); }; PragmaClangSection PragmaClangBSSSection; PragmaClangSection PragmaClangDataSection; PragmaClangSection PragmaClangRodataSection; PragmaClangSection PragmaClangRelroSection; PragmaClangSection PragmaClangTextSection; enum PragmaMsStackAction { PSK_Reset = 0x0, // #pragma () PSK_Set = 0x1, // #pragma (value) PSK_Push = 0x2, // #pragma (push[, id]) PSK_Pop = 0x4, // #pragma (pop[, id]) PSK_Show = 0x8, // #pragma (show) -- only for "pack"! PSK_Push_Set = PSK_Push | PSK_Set, // #pragma (push[, id], value) PSK_Pop_Set = PSK_Pop | PSK_Set, // #pragma (pop[, id], value) }; template struct PragmaStack { struct Slot { llvm::StringRef StackSlotLabel; ValueType Value; SourceLocation PragmaLocation; SourceLocation PragmaPushLocation; Slot(llvm::StringRef StackSlotLabel, ValueType Value, SourceLocation PragmaLocation, SourceLocation PragmaPushLocation) : StackSlotLabel(StackSlotLabel), Value(Value), PragmaLocation(PragmaLocation), PragmaPushLocation(PragmaPushLocation) {} }; void Act(SourceLocation PragmaLocation, PragmaMsStackAction Action, llvm::StringRef StackSlotLabel, ValueType Value); // MSVC seems to add artificial slots to #pragma stacks on entering a C++ // method body to restore the stacks on exit, so it works like this: // // struct S { // #pragma (push, InternalPragmaSlot, ) // void Method {} // #pragma (pop, InternalPragmaSlot) // }; // // It works even with #pragma vtordisp, although MSVC doesn't support // #pragma vtordisp(push [, id], n) // syntax. // // Push / pop a named sentinel slot. void SentinelAction(PragmaMsStackAction Action, StringRef Label) { assert((Action == PSK_Push || Action == PSK_Pop) && "Can only push / pop #pragma stack sentinels!"); Act(CurrentPragmaLocation, Action, Label, CurrentValue); } // Constructors. explicit PragmaStack(const ValueType &Default) : DefaultValue(Default), CurrentValue(Default) {} bool hasValue() const { return CurrentValue != DefaultValue; } SmallVector Stack; ValueType DefaultValue; // Value used for PSK_Reset action. ValueType CurrentValue; SourceLocation CurrentPragmaLocation; }; // FIXME: We should serialize / deserialize these if they occur in a PCH (but // we shouldn't do so if they're in a module). /// Whether to insert vtordisps prior to virtual bases in the Microsoft /// C++ ABI. Possible values are 0, 1, and 2, which mean: /// /// 0: Suppress all vtordisps /// 1: Insert vtordisps in the presence of vbase overrides and non-trivial /// structors /// 2: Always insert vtordisps to support RTTI on partially constructed /// objects PragmaStack VtorDispStack; // #pragma pack. // Sentinel to represent when the stack is set to mac68k alignment. static const unsigned kMac68kAlignmentSentinel = ~0U; PragmaStack PackStack; // The current #pragma pack values and locations at each #include. struct PackIncludeState { unsigned CurrentValue; SourceLocation CurrentPragmaLocation; bool HasNonDefaultValue, ShouldWarnOnInclude; }; SmallVector PackIncludeStack; // Segment #pragmas. PragmaStack DataSegStack; PragmaStack BSSSegStack; PragmaStack ConstSegStack; PragmaStack CodeSegStack; // This stack tracks the current state of Sema.CurFPFeatures. PragmaStack FpPragmaStack; // RAII object to push / pop sentinel slots for all MS #pragma stacks. // Actions should be performed only if we enter / exit a C++ method body. class PragmaStackSentinelRAII { public: PragmaStackSentinelRAII(Sema &S, StringRef SlotLabel, bool ShouldAct); ~PragmaStackSentinelRAII(); private: Sema &S; StringRef SlotLabel; bool ShouldAct; }; /// A mapping that describes the nullability we've seen in each header file. FileNullabilityMap NullabilityMap; /// Last section used with #pragma init_seg. StringLiteral *CurInitSeg; SourceLocation CurInitSegLoc; /// VisContext - Manages the stack for \#pragma GCC visibility. void *VisContext; // Really a "PragmaVisStack*" /// This an attribute introduced by \#pragma clang attribute. struct PragmaAttributeEntry { SourceLocation Loc; ParsedAttr *Attribute; SmallVector MatchRules; bool IsUsed; }; /// A push'd group of PragmaAttributeEntries. struct PragmaAttributeGroup { /// The location of the push attribute. SourceLocation Loc; /// The namespace of this push group. const IdentifierInfo *Namespace; SmallVector Entries; }; SmallVector PragmaAttributeStack; /// The declaration that is currently receiving an attribute from the /// #pragma attribute stack. const Decl *PragmaAttributeCurrentTargetDecl; /// This represents the last location of a "#pragma clang optimize off" /// directive if such a directive has not been closed by an "on" yet. If /// optimizations are currently "on", this is set to an invalid location. SourceLocation OptimizeOffPragmaLocation; /// Flag indicating if Sema is building a recovery call expression. /// /// This flag is used to avoid building recovery call expressions /// if Sema is already doing so, which would cause infinite recursions. bool IsBuildingRecoveryCallExpr; /// Used to control the generation of ExprWithCleanups. CleanupInfo Cleanup; /// ExprCleanupObjects - This is the stack of objects requiring /// cleanup that are created by the current full expression. SmallVector ExprCleanupObjects; /// Store a set of either DeclRefExprs or MemberExprs that contain a reference /// to a variable (constant) that may or may not be odr-used in this Expr, and /// we won't know until all lvalue-to-rvalue and discarded value conversions /// have been applied to all subexpressions of the enclosing full expression. /// This is cleared at the end of each full expression. using MaybeODRUseExprSet = llvm::SetVector, llvm::SmallPtrSet>; MaybeODRUseExprSet MaybeODRUseExprs; std::unique_ptr CachedFunctionScope; /// Stack containing information about each of the nested /// function, block, and method scopes that are currently active. SmallVector FunctionScopes; /// The index of the first FunctionScope that corresponds to the current /// context. unsigned FunctionScopesStart = 0; ArrayRef getFunctionScopes() const { return llvm::makeArrayRef(FunctionScopes.begin() + FunctionScopesStart, FunctionScopes.end()); } /// Stack containing information needed when in C++2a an 'auto' is encountered /// in a function declaration parameter type specifier in order to invent a /// corresponding template parameter in the enclosing abbreviated function /// template. This information is also present in LambdaScopeInfo, stored in /// the FunctionScopes stack. SmallVector InventedParameterInfos; /// The index of the first InventedParameterInfo that refers to the current /// context. unsigned InventedParameterInfosStart = 0; ArrayRef getInventedParameterInfos() const { return llvm::makeArrayRef(InventedParameterInfos.begin() + InventedParameterInfosStart, InventedParameterInfos.end()); } typedef LazyVector ExtVectorDeclsType; /// ExtVectorDecls - This is a list all the extended vector types. This allows /// us to associate a raw vector type with one of the ext_vector type names. /// This is only necessary for issuing pretty diagnostics. ExtVectorDeclsType ExtVectorDecls; /// FieldCollector - Collects CXXFieldDecls during parsing of C++ classes. std::unique_ptr FieldCollector; typedef llvm::SmallSetVector NamedDeclSetType; /// Set containing all declared private fields that are not used. NamedDeclSetType UnusedPrivateFields; /// Set containing all typedefs that are likely unused. llvm::SmallSetVector UnusedLocalTypedefNameCandidates; /// Delete-expressions to be analyzed at the end of translation unit /// /// This list contains class members, and locations of delete-expressions /// that could not be proven as to whether they mismatch with new-expression /// used in initializer of the field. typedef std::pair DeleteExprLoc; typedef llvm::SmallVector DeleteLocs; llvm::MapVector DeleteExprs; typedef llvm::SmallPtrSet RecordDeclSetTy; /// PureVirtualClassDiagSet - a set of class declarations which we have /// emitted a list of pure virtual functions. Used to prevent emitting the /// same list more than once. std::unique_ptr PureVirtualClassDiagSet; /// ParsingInitForAutoVars - a set of declarations with auto types for which /// we are currently parsing the initializer. llvm::SmallPtrSet ParsingInitForAutoVars; /// Look for a locally scoped extern "C" declaration by the given name. NamedDecl *findLocallyScopedExternCDecl(DeclarationName Name); typedef LazyVector TentativeDefinitionsType; /// All the tentative definitions encountered in the TU. TentativeDefinitionsType TentativeDefinitions; /// All the external declarations encoutered and used in the TU. SmallVector ExternalDeclarations; typedef LazyVector UnusedFileScopedDeclsType; /// The set of file scoped decls seen so far that have not been used /// and must warn if not used. Only contains the first declaration. UnusedFileScopedDeclsType UnusedFileScopedDecls; typedef LazyVector DelegatingCtorDeclsType; /// All the delegating constructors seen so far in the file, used for /// cycle detection at the end of the TU. DelegatingCtorDeclsType DelegatingCtorDecls; /// All the overriding functions seen during a class definition /// that had their exception spec checks delayed, plus the overridden /// function. SmallVector, 2> DelayedOverridingExceptionSpecChecks; /// All the function redeclarations seen during a class definition that had /// their exception spec checks delayed, plus the prior declaration they /// should be checked against. Except during error recovery, the new decl /// should always be a friend declaration, as that's the only valid way to /// redeclare a special member before its class is complete. SmallVector, 2> DelayedEquivalentExceptionSpecChecks; typedef llvm::MapVector> LateParsedTemplateMapT; LateParsedTemplateMapT LateParsedTemplateMap; /// Callback to the parser to parse templated functions when needed. typedef void LateTemplateParserCB(void *P, LateParsedTemplate &LPT); typedef void LateTemplateParserCleanupCB(void *P); LateTemplateParserCB *LateTemplateParser; LateTemplateParserCleanupCB *LateTemplateParserCleanup; void *OpaqueParser; void SetLateTemplateParser(LateTemplateParserCB *LTP, LateTemplateParserCleanupCB *LTPCleanup, void *P) { LateTemplateParser = LTP; LateTemplateParserCleanup = LTPCleanup; OpaqueParser = P; } class DelayedDiagnostics; class DelayedDiagnosticsState { sema::DelayedDiagnosticPool *SavedPool; friend class Sema::DelayedDiagnostics; }; typedef DelayedDiagnosticsState ParsingDeclState; typedef DelayedDiagnosticsState ProcessingContextState; /// A class which encapsulates the logic for delaying diagnostics /// during parsing and other processing. class DelayedDiagnostics { /// The current pool of diagnostics into which delayed /// diagnostics should go. sema::DelayedDiagnosticPool *CurPool; public: DelayedDiagnostics() : CurPool(nullptr) {} /// Adds a delayed diagnostic. void add(const sema::DelayedDiagnostic &diag); // in DelayedDiagnostic.h /// Determines whether diagnostics should be delayed. bool shouldDelayDiagnostics() { return CurPool != nullptr; } /// Returns the current delayed-diagnostics pool. sema::DelayedDiagnosticPool *getCurrentPool() const { return CurPool; } /// Enter a new scope. Access and deprecation diagnostics will be /// collected in this pool. DelayedDiagnosticsState push(sema::DelayedDiagnosticPool &pool) { DelayedDiagnosticsState state; state.SavedPool = CurPool; CurPool = &pool; return state; } /// Leave a delayed-diagnostic state that was previously pushed. /// Do not emit any of the diagnostics. This is performed as part /// of the bookkeeping of popping a pool "properly". void popWithoutEmitting(DelayedDiagnosticsState state) { CurPool = state.SavedPool; } /// Enter a new scope where access and deprecation diagnostics are /// not delayed. DelayedDiagnosticsState pushUndelayed() { DelayedDiagnosticsState state; state.SavedPool = CurPool; CurPool = nullptr; return state; } /// Undo a previous pushUndelayed(). void popUndelayed(DelayedDiagnosticsState state) { assert(CurPool == nullptr); CurPool = state.SavedPool; } } DelayedDiagnostics; /// A RAII object to temporarily push a declaration context. class ContextRAII { private: Sema &S; DeclContext *SavedContext; ProcessingContextState SavedContextState; QualType SavedCXXThisTypeOverride; unsigned SavedFunctionScopesStart; unsigned SavedInventedParameterInfosStart; public: ContextRAII(Sema &S, DeclContext *ContextToPush, bool NewThisContext = true) : S(S), SavedContext(S.CurContext), SavedContextState(S.DelayedDiagnostics.pushUndelayed()), SavedCXXThisTypeOverride(S.CXXThisTypeOverride), SavedFunctionScopesStart(S.FunctionScopesStart), SavedInventedParameterInfosStart(S.InventedParameterInfosStart) { assert(ContextToPush && "pushing null context"); S.CurContext = ContextToPush; if (NewThisContext) S.CXXThisTypeOverride = QualType(); // Any saved FunctionScopes do not refer to this context. S.FunctionScopesStart = S.FunctionScopes.size(); S.InventedParameterInfosStart = S.InventedParameterInfos.size(); } void pop() { if (!SavedContext) return; S.CurContext = SavedContext; S.DelayedDiagnostics.popUndelayed(SavedContextState); S.CXXThisTypeOverride = SavedCXXThisTypeOverride; S.FunctionScopesStart = SavedFunctionScopesStart; S.InventedParameterInfosStart = SavedInventedParameterInfosStart; SavedContext = nullptr; } ~ContextRAII() { pop(); } }; /// Whether the AST is currently being rebuilt to correct immediate /// invocations. Immediate invocation candidates and references to consteval /// functions aren't tracked when this is set. bool RebuildingImmediateInvocation = false; /// Used to change context to isConstantEvaluated without pushing a heavy /// ExpressionEvaluationContextRecord object. bool isConstantEvaluatedOverride; bool isConstantEvaluated() { return ExprEvalContexts.back().isConstantEvaluated() || isConstantEvaluatedOverride; } /// RAII object to handle the state changes required to synthesize /// a function body. class SynthesizedFunctionScope { Sema &S; Sema::ContextRAII SavedContext; bool PushedCodeSynthesisContext = false; public: SynthesizedFunctionScope(Sema &S, DeclContext *DC) : S(S), SavedContext(S, DC) { S.PushFunctionScope(); S.PushExpressionEvaluationContext( Sema::ExpressionEvaluationContext::PotentiallyEvaluated); if (auto *FD = dyn_cast(DC)) FD->setWillHaveBody(true); else assert(isa(DC)); } void addContextNote(SourceLocation UseLoc) { assert(!PushedCodeSynthesisContext); Sema::CodeSynthesisContext Ctx; Ctx.Kind = Sema::CodeSynthesisContext::DefiningSynthesizedFunction; Ctx.PointOfInstantiation = UseLoc; Ctx.Entity = cast(S.CurContext); S.pushCodeSynthesisContext(Ctx); PushedCodeSynthesisContext = true; } ~SynthesizedFunctionScope() { if (PushedCodeSynthesisContext) S.popCodeSynthesisContext(); if (auto *FD = dyn_cast(S.CurContext)) FD->setWillHaveBody(false); S.PopExpressionEvaluationContext(); S.PopFunctionScopeInfo(); } }; /// WeakUndeclaredIdentifiers - Identifiers contained in /// \#pragma weak before declared. rare. may alias another /// identifier, declared or undeclared llvm::MapVector WeakUndeclaredIdentifiers; /// ExtnameUndeclaredIdentifiers - Identifiers contained in /// \#pragma redefine_extname before declared. Used in Solaris system headers /// to define functions that occur in multiple standards to call the version /// in the currently selected standard. llvm::DenseMap ExtnameUndeclaredIdentifiers; /// Load weak undeclared identifiers from the external source. void LoadExternalWeakUndeclaredIdentifiers(); /// WeakTopLevelDecl - Translation-unit scoped declarations generated by /// \#pragma weak during processing of other Decls. /// I couldn't figure out a clean way to generate these in-line, so /// we store them here and handle separately -- which is a hack. /// It would be best to refactor this. SmallVector WeakTopLevelDecl; IdentifierResolver IdResolver; /// Translation Unit Scope - useful to Objective-C actions that need /// to lookup file scope declarations in the "ordinary" C decl namespace. /// For example, user-defined classes, built-in "id" type, etc. Scope *TUScope; /// The C++ "std" namespace, where the standard library resides. LazyDeclPtr StdNamespace; /// The C++ "std::bad_alloc" class, which is defined by the C++ /// standard library. LazyDeclPtr StdBadAlloc; /// The C++ "std::align_val_t" enum class, which is defined by the C++ /// standard library. LazyDeclPtr StdAlignValT; /// The C++ "std::experimental" namespace, where the experimental parts /// of the standard library resides. NamespaceDecl *StdExperimentalNamespaceCache; /// The C++ "std::initializer_list" template, which is defined in /// \. ClassTemplateDecl *StdInitializerList; /// The C++ "std::coroutine_traits" template, which is defined in /// \ ClassTemplateDecl *StdCoroutineTraitsCache; /// The C++ "type_info" declaration, which is defined in \. RecordDecl *CXXTypeInfoDecl; /// The MSVC "_GUID" struct, which is defined in MSVC header files. RecordDecl *MSVCGuidDecl; /// Caches identifiers/selectors for NSFoundation APIs. std::unique_ptr NSAPIObj; /// The declaration of the Objective-C NSNumber class. ObjCInterfaceDecl *NSNumberDecl; /// The declaration of the Objective-C NSValue class. ObjCInterfaceDecl *NSValueDecl; /// Pointer to NSNumber type (NSNumber *). QualType NSNumberPointer; /// Pointer to NSValue type (NSValue *). QualType NSValuePointer; /// The Objective-C NSNumber methods used to create NSNumber literals. ObjCMethodDecl *NSNumberLiteralMethods[NSAPI::NumNSNumberLiteralMethods]; /// The declaration of the Objective-C NSString class. ObjCInterfaceDecl *NSStringDecl; /// Pointer to NSString type (NSString *). QualType NSStringPointer; /// The declaration of the stringWithUTF8String: method. ObjCMethodDecl *StringWithUTF8StringMethod; /// The declaration of the valueWithBytes:objCType: method. ObjCMethodDecl *ValueWithBytesObjCTypeMethod; /// The declaration of the Objective-C NSArray class. ObjCInterfaceDecl *NSArrayDecl; /// The declaration of the arrayWithObjects:count: method. ObjCMethodDecl *ArrayWithObjectsMethod; /// The declaration of the Objective-C NSDictionary class. ObjCInterfaceDecl *NSDictionaryDecl; /// The declaration of the dictionaryWithObjects:forKeys:count: method. ObjCMethodDecl *DictionaryWithObjectsMethod; /// id type. QualType QIDNSCopying; /// will hold 'respondsToSelector:' Selector RespondsToSelectorSel; /// A flag to remember whether the implicit forms of operator new and delete /// have been declared. bool GlobalNewDeleteDeclared; /// A flag to indicate that we're in a context that permits abstract /// references to fields. This is really a bool AllowAbstractFieldReference; /// Describes how the expressions currently being parsed are /// evaluated at run-time, if at all. enum class ExpressionEvaluationContext { /// The current expression and its subexpressions occur within an /// unevaluated operand (C++11 [expr]p7), such as the subexpression of /// \c sizeof, where the type of the expression may be significant but /// no code will be generated to evaluate the value of the expression at /// run time. Unevaluated, /// The current expression occurs within a braced-init-list within /// an unevaluated operand. This is mostly like a regular unevaluated /// context, except that we still instantiate constexpr functions that are /// referenced here so that we can perform narrowing checks correctly. UnevaluatedList, /// The current expression occurs within a discarded statement. /// This behaves largely similarly to an unevaluated operand in preventing /// definitions from being required, but not in other ways. DiscardedStatement, /// The current expression occurs within an unevaluated /// operand that unconditionally permits abstract references to /// fields, such as a SIZE operator in MS-style inline assembly. UnevaluatedAbstract, /// The current context is "potentially evaluated" in C++11 terms, /// but the expression is evaluated at compile-time (like the values of /// cases in a switch statement). ConstantEvaluated, /// The current expression is potentially evaluated at run time, /// which means that code may be generated to evaluate the value of the /// expression at run time. PotentiallyEvaluated, /// The current expression is potentially evaluated, but any /// declarations referenced inside that expression are only used if /// in fact the current expression is used. /// /// This value is used when parsing default function arguments, for which /// we would like to provide diagnostics (e.g., passing non-POD arguments /// through varargs) but do not want to mark declarations as "referenced" /// until the default argument is used. PotentiallyEvaluatedIfUsed }; using ImmediateInvocationCandidate = llvm::PointerIntPair; /// Data structure used to record current or nested /// expression evaluation contexts. struct ExpressionEvaluationContextRecord { /// The expression evaluation context. ExpressionEvaluationContext Context; /// Whether the enclosing context needed a cleanup. CleanupInfo ParentCleanup; /// Whether we are in a decltype expression. bool IsDecltype; /// The number of active cleanup objects when we entered /// this expression evaluation context. unsigned NumCleanupObjects; /// The number of typos encountered during this expression evaluation /// context (i.e. the number of TypoExprs created). unsigned NumTypos; MaybeODRUseExprSet SavedMaybeODRUseExprs; /// The lambdas that are present within this context, if it /// is indeed an unevaluated context. SmallVector Lambdas; /// The declaration that provides context for lambda expressions /// and block literals if the normal declaration context does not /// suffice, e.g., in a default function argument. Decl *ManglingContextDecl; /// If we are processing a decltype type, a set of call expressions /// for which we have deferred checking the completeness of the return type. SmallVector DelayedDecltypeCalls; /// If we are processing a decltype type, a set of temporary binding /// expressions for which we have deferred checking the destructor. SmallVector DelayedDecltypeBinds; llvm::SmallPtrSet PossibleDerefs; /// Expressions appearing as the LHS of a volatile assignment in this /// context. We produce a warning for these when popping the context if /// they are not discarded-value expressions nor unevaluated operands. SmallVector VolatileAssignmentLHSs; /// Set of candidates for starting an immediate invocation. llvm::SmallVector ImmediateInvocationCandidates; /// Set of DeclRefExprs referencing a consteval function when used in a /// context not already known to be immediately invoked. llvm::SmallPtrSet ReferenceToConsteval; /// \brief Describes whether we are in an expression constext which we have /// to handle differently. enum ExpressionKind { EK_Decltype, EK_TemplateArgument, EK_Other } ExprContext; ExpressionEvaluationContextRecord(ExpressionEvaluationContext Context, unsigned NumCleanupObjects, CleanupInfo ParentCleanup, Decl *ManglingContextDecl, ExpressionKind ExprContext) : Context(Context), ParentCleanup(ParentCleanup), NumCleanupObjects(NumCleanupObjects), NumTypos(0), ManglingContextDecl(ManglingContextDecl), ExprContext(ExprContext) {} bool isUnevaluated() const { return Context == ExpressionEvaluationContext::Unevaluated || Context == ExpressionEvaluationContext::UnevaluatedAbstract || Context == ExpressionEvaluationContext::UnevaluatedList; } bool isConstantEvaluated() const { return Context == ExpressionEvaluationContext::ConstantEvaluated; } }; /// A stack of expression evaluation contexts. SmallVector ExprEvalContexts; /// Emit a warning for all pending noderef expressions that we recorded. void WarnOnPendingNoDerefs(ExpressionEvaluationContextRecord &Rec); /// Compute the mangling number context for a lambda expression or /// block literal. Also return the extra mangling decl if any. /// /// \param DC - The DeclContext containing the lambda expression or /// block literal. std::tuple getCurrentMangleNumberContext(const DeclContext *DC); /// SpecialMemberOverloadResult - The overloading result for a special member /// function. /// /// This is basically a wrapper around PointerIntPair. The lowest bits of the /// integer are used to determine whether overload resolution succeeded. class SpecialMemberOverloadResult { public: enum Kind { NoMemberOrDeleted, Ambiguous, Success }; private: llvm::PointerIntPair Pair; public: SpecialMemberOverloadResult() : Pair() {} SpecialMemberOverloadResult(CXXMethodDecl *MD) : Pair(MD, MD->isDeleted() ? NoMemberOrDeleted : Success) {} CXXMethodDecl *getMethod() const { return Pair.getPointer(); } void setMethod(CXXMethodDecl *MD) { Pair.setPointer(MD); } Kind getKind() const { return static_cast(Pair.getInt()); } void setKind(Kind K) { Pair.setInt(K); } }; class SpecialMemberOverloadResultEntry : public llvm::FastFoldingSetNode, public SpecialMemberOverloadResult { public: SpecialMemberOverloadResultEntry(const llvm::FoldingSetNodeID &ID) : FastFoldingSetNode(ID) {} }; /// A cache of special member function overload resolution results /// for C++ records. llvm::FoldingSet SpecialMemberCache; /// A cache of the flags available in enumerations with the flag_bits /// attribute. mutable llvm::DenseMap FlagBitsCache; /// The kind of translation unit we are processing. /// /// When we're processing a complete translation unit, Sema will perform /// end-of-translation-unit semantic tasks (such as creating /// initializers for tentative definitions in C) once parsing has /// completed. Modules and precompiled headers perform different kinds of /// checks. TranslationUnitKind TUKind; llvm::BumpPtrAllocator BumpAlloc; /// The number of SFINAE diagnostics that have been trapped. unsigned NumSFINAEErrors; typedef llvm::DenseMap> UnparsedDefaultArgInstantiationsMap; /// A mapping from parameters with unparsed default arguments to the /// set of instantiations of each parameter. /// /// This mapping is a temporary data structure used when parsing /// nested class templates or nested classes of class templates, /// where we might end up instantiating an inner class before the /// default arguments of its methods have been parsed. UnparsedDefaultArgInstantiationsMap UnparsedDefaultArgInstantiations; // Contains the locations of the beginning of unparsed default // argument locations. llvm::DenseMap UnparsedDefaultArgLocs; /// UndefinedInternals - all the used, undefined objects which require a /// definition in this translation unit. llvm::MapVector UndefinedButUsed; /// Determine if VD, which must be a variable or function, is an external /// symbol that nonetheless can't be referenced from outside this translation /// unit because its type has no linkage and it's not extern "C". bool isExternalWithNoLinkageType(ValueDecl *VD); /// Obtain a sorted list of functions that are undefined but ODR-used. void getUndefinedButUsed( SmallVectorImpl > &Undefined); /// Retrieves list of suspicious delete-expressions that will be checked at /// the end of translation unit. const llvm::MapVector & getMismatchingDeleteExpressions() const; typedef std::pair GlobalMethods; typedef llvm::DenseMap GlobalMethodPool; /// Method Pool - allows efficient lookup when typechecking messages to "id". /// We need to maintain a list, since selectors can have differing signatures /// across classes. In Cocoa, this happens to be extremely uncommon (only 1% /// of selectors are "overloaded"). /// At the head of the list it is recorded whether there were 0, 1, or >= 2 /// methods inside categories with a particular selector. GlobalMethodPool MethodPool; /// Method selectors used in a \@selector expression. Used for implementation /// of -Wselector. llvm::MapVector ReferencedSelectors; /// List of SourceLocations where 'self' is implicitly retained inside a /// block. llvm::SmallVector, 1> ImplicitlyRetainedSelfLocs; /// Kinds of C++ special members. enum CXXSpecialMember { CXXDefaultConstructor, CXXCopyConstructor, CXXMoveConstructor, CXXCopyAssignment, CXXMoveAssignment, CXXDestructor, CXXInvalid }; typedef llvm::PointerIntPair SpecialMemberDecl; /// The C++ special members which we are currently in the process of /// declaring. If this process recursively triggers the declaration of the /// same special member, we should act as if it is not yet declared. llvm::SmallPtrSet SpecialMembersBeingDeclared; /// Kinds of defaulted comparison operator functions. enum class DefaultedComparisonKind : unsigned char { /// This is not a defaultable comparison operator. None, /// This is an operator== that should be implemented as a series of /// subobject comparisons. Equal, /// This is an operator<=> that should be implemented as a series of /// subobject comparisons. ThreeWay, /// This is an operator!= that should be implemented as a rewrite in terms /// of a == comparison. NotEqual, /// This is an <, <=, >, or >= that should be implemented as a rewrite in /// terms of a <=> comparison. Relational, }; /// The function definitions which were renamed as part of typo-correction /// to match their respective declarations. We want to keep track of them /// to ensure that we don't emit a "redefinition" error if we encounter a /// correctly named definition after the renamed definition. llvm::SmallPtrSet TypoCorrectedFunctionDefinitions; /// Stack of types that correspond to the parameter entities that are /// currently being copy-initialized. Can be empty. llvm::SmallVector CurrentParameterCopyTypes; void ReadMethodPool(Selector Sel); void updateOutOfDateSelector(Selector Sel); /// Private Helper predicate to check for 'self'. bool isSelfExpr(Expr *RExpr); bool isSelfExpr(Expr *RExpr, const ObjCMethodDecl *Method); /// Cause the active diagnostic on the DiagosticsEngine to be /// emitted. This is closely coupled to the SemaDiagnosticBuilder class and /// should not be used elsewhere. void EmitCurrentDiagnostic(unsigned DiagID); /// Records and restores the CurFPFeatures state on entry/exit of compound /// statements. class FPFeaturesStateRAII { public: FPFeaturesStateRAII(Sema &S) : S(S), OldFPFeaturesState(S.CurFPFeatures) {} ~FPFeaturesStateRAII() { S.CurFPFeatures = OldFPFeaturesState; } private: Sema& S; FPOptions OldFPFeaturesState; }; void addImplicitTypedef(StringRef Name, QualType T); bool WarnedStackExhausted = false; public: Sema(Preprocessor &pp, ASTContext &ctxt, ASTConsumer &consumer, TranslationUnitKind TUKind = TU_Complete, CodeCompleteConsumer *CompletionConsumer = nullptr); ~Sema(); /// Perform initialization that occurs after the parser has been /// initialized but before it parses anything. void Initialize(); const LangOptions &getLangOpts() const { return LangOpts; } OpenCLOptions &getOpenCLOptions() { return OpenCLFeatures; } FPOptions &getCurFPFeatures() { return CurFPFeatures; } DiagnosticsEngine &getDiagnostics() const { return Diags; } SourceManager &getSourceManager() const { return SourceMgr; } Preprocessor &getPreprocessor() const { return PP; } ASTContext &getASTContext() const { return Context; } ASTConsumer &getASTConsumer() const { return Consumer; } ASTMutationListener *getASTMutationListener() const; ExternalSemaSource* getExternalSource() const { return ExternalSource; } ///Registers an external source. If an external source already exists, /// creates a multiplex external source and appends to it. /// ///\param[in] E - A non-null external sema source. /// void addExternalSource(ExternalSemaSource *E); void PrintStats() const; /// Warn that the stack is nearly exhausted. void warnStackExhausted(SourceLocation Loc); /// Run some code with "sufficient" stack space. (Currently, at least 256K is /// guaranteed). Produces a warning if we're low on stack space and allocates /// more in that case. Use this in code that may recurse deeply (for example, /// in template instantiation) to avoid stack overflow. void runWithSufficientStackSpace(SourceLocation Loc, llvm::function_ref Fn); /// Helper class that creates diagnostics with optional /// template instantiation stacks. /// /// This class provides a wrapper around the basic DiagnosticBuilder /// class that emits diagnostics. SemaDiagnosticBuilder is /// responsible for emitting the diagnostic (as DiagnosticBuilder /// does) and, if the diagnostic comes from inside a template /// instantiation, printing the template instantiation stack as /// well. class SemaDiagnosticBuilder : public DiagnosticBuilder { Sema &SemaRef; unsigned DiagID; public: SemaDiagnosticBuilder(DiagnosticBuilder &DB, Sema &SemaRef, unsigned DiagID) : DiagnosticBuilder(DB), SemaRef(SemaRef), DiagID(DiagID) { } // This is a cunning lie. DiagnosticBuilder actually performs move // construction in its copy constructor (but due to varied uses, it's not // possible to conveniently express this as actual move construction). So // the default copy ctor here is fine, because the base class disables the // source anyway, so the user-defined ~SemaDiagnosticBuilder is a safe no-op // in that case anwyay. SemaDiagnosticBuilder(const SemaDiagnosticBuilder&) = default; ~SemaDiagnosticBuilder() { // If we aren't active, there is nothing to do. if (!isActive()) return; // Otherwise, we need to emit the diagnostic. First flush the underlying // DiagnosticBuilder data, and clear the diagnostic builder itself so it // won't emit the diagnostic in its own destructor. // // This seems wasteful, in that as written the DiagnosticBuilder dtor will // do its own needless checks to see if the diagnostic needs to be // emitted. However, because we take care to ensure that the builder // objects never escape, a sufficiently smart compiler will be able to // eliminate that code. FlushCounts(); Clear(); // Dispatch to Sema to emit the diagnostic. SemaRef.EmitCurrentDiagnostic(DiagID); } /// Teach operator<< to produce an object of the correct type. template friend const SemaDiagnosticBuilder &operator<<( const SemaDiagnosticBuilder &Diag, const T &Value) { const DiagnosticBuilder &BaseDiag = Diag; BaseDiag << Value; return Diag; } }; /// Emit a diagnostic. SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID) { DiagnosticBuilder DB = Diags.Report(Loc, DiagID); return SemaDiagnosticBuilder(DB, *this, DiagID); } /// Emit a partial diagnostic. SemaDiagnosticBuilder Diag(SourceLocation Loc, const PartialDiagnostic& PD); /// Build a partial diagnostic. PartialDiagnostic PDiag(unsigned DiagID = 0); // in SemaInternal.h bool findMacroSpelling(SourceLocation &loc, StringRef name); /// Get a string to suggest for zero-initialization of a type. std::string getFixItZeroInitializerForType(QualType T, SourceLocation Loc) const; std::string getFixItZeroLiteralForType(QualType T, SourceLocation Loc) const; /// Calls \c Lexer::getLocForEndOfToken() SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset = 0); /// Retrieve the module loader associated with the preprocessor. ModuleLoader &getModuleLoader() const; /// Invent a new identifier for parameters of abbreviated templates. IdentifierInfo * InventAbbreviatedTemplateParameterTypeName(IdentifierInfo *ParamName, unsigned Index); void emitAndClearUnusedLocalTypedefWarnings(); private: /// Function or variable declarations to be checked for whether the deferred /// diagnostics should be emitted. SmallVector DeclsToCheckForDeferredDiags; public: // Emit all deferred diagnostics. void emitDeferredDiags(); enum TUFragmentKind { /// The global module fragment, between 'module;' and a module-declaration. Global, /// A normal translation unit fragment. For a non-module unit, this is the /// entire translation unit. Otherwise, it runs from the module-declaration /// to the private-module-fragment (if any) or the end of the TU (if not). Normal, /// The private module fragment, between 'module :private;' and the end of /// the translation unit. Private }; void ActOnStartOfTranslationUnit(); void ActOnEndOfTranslationUnit(); void ActOnEndOfTranslationUnitFragment(TUFragmentKind Kind); void CheckDelegatingCtorCycles(); Scope *getScopeForContext(DeclContext *Ctx); void PushFunctionScope(); void PushBlockScope(Scope *BlockScope, BlockDecl *Block); sema::LambdaScopeInfo *PushLambdaScope(); /// This is used to inform Sema what the current TemplateParameterDepth /// is during Parsing. Currently it is used to pass on the depth /// when parsing generic lambda 'auto' parameters. void RecordParsingTemplateParameterDepth(unsigned Depth); void PushCapturedRegionScope(Scope *RegionScope, CapturedDecl *CD, RecordDecl *RD, CapturedRegionKind K, unsigned OpenMPCaptureLevel = 0); /// Custom deleter to allow FunctionScopeInfos to be kept alive for a short /// time after they've been popped. class PoppedFunctionScopeDeleter { Sema *Self; public: explicit PoppedFunctionScopeDeleter(Sema *Self) : Self(Self) {} void operator()(sema::FunctionScopeInfo *Scope) const; }; using PoppedFunctionScopePtr = std::unique_ptr; PoppedFunctionScopePtr PopFunctionScopeInfo(const sema::AnalysisBasedWarnings::Policy *WP = nullptr, const Decl *D = nullptr, QualType BlockType = QualType()); sema::FunctionScopeInfo *getCurFunction() const { return FunctionScopes.empty() ? nullptr : FunctionScopes.back(); } sema::FunctionScopeInfo *getEnclosingFunction() const; void setFunctionHasBranchIntoScope(); void setFunctionHasBranchProtectedScope(); void setFunctionHasIndirectGoto(); void PushCompoundScope(bool IsStmtExpr); void PopCompoundScope(); sema::CompoundScopeInfo &getCurCompoundScope() const; bool hasAnyUnrecoverableErrorsInThisFunction() const; /// Retrieve the current block, if any. sema::BlockScopeInfo *getCurBlock(); /// Get the innermost lambda enclosing the current location, if any. This /// looks through intervening non-lambda scopes such as local functions and /// blocks. sema::LambdaScopeInfo *getEnclosingLambda() const; /// Retrieve the current lambda scope info, if any. /// \param IgnoreNonLambdaCapturingScope true if should find the top-most /// lambda scope info ignoring all inner capturing scopes that are not /// lambda scopes. sema::LambdaScopeInfo * getCurLambda(bool IgnoreNonLambdaCapturingScope = false); /// Retrieve the current generic lambda info, if any. sema::LambdaScopeInfo *getCurGenericLambda(); /// Retrieve the current captured region, if any. sema::CapturedRegionScopeInfo *getCurCapturedRegion(); /// WeakTopLevelDeclDecls - access to \#pragma weak-generated Decls SmallVectorImpl &WeakTopLevelDecls() { return WeakTopLevelDecl; } /// Called before parsing a function declarator belonging to a function /// declaration. void ActOnStartFunctionDeclarationDeclarator(Declarator &D, unsigned TemplateParameterDepth); /// Called after parsing a function declarator belonging to a function /// declaration. void ActOnFinishFunctionDeclarationDeclarator(Declarator &D); void ActOnComment(SourceRange Comment); //===--------------------------------------------------------------------===// // Type Analysis / Processing: SemaType.cpp. // QualType BuildQualifiedType(QualType T, SourceLocation Loc, Qualifiers Qs, const DeclSpec *DS = nullptr); QualType BuildQualifiedType(QualType T, SourceLocation Loc, unsigned CVRA, const DeclSpec *DS = nullptr); QualType BuildPointerType(QualType T, SourceLocation Loc, DeclarationName Entity); QualType BuildReferenceType(QualType T, bool LValueRef, SourceLocation Loc, DeclarationName Entity); QualType BuildArrayType(QualType T, ArrayType::ArraySizeModifier ASM, Expr *ArraySize, unsigned Quals, SourceRange Brackets, DeclarationName Entity); QualType BuildVectorType(QualType T, Expr *VecSize, SourceLocation AttrLoc); QualType BuildExtVectorType(QualType T, Expr *ArraySize, SourceLocation AttrLoc); QualType BuildMatrixType(QualType T, Expr *NumRows, Expr *NumColumns, SourceLocation AttrLoc); QualType BuildAddressSpaceAttr(QualType &T, LangAS ASIdx, Expr *AddrSpace, SourceLocation AttrLoc); /// Same as above, but constructs the AddressSpace index if not provided. QualType BuildAddressSpaceAttr(QualType &T, Expr *AddrSpace, SourceLocation AttrLoc); bool CheckQualifiedFunctionForTypeId(QualType T, SourceLocation Loc); bool CheckFunctionReturnType(QualType T, SourceLocation Loc); /// Build a function type. /// /// This routine checks the function type according to C++ rules and /// under the assumption that the result type and parameter types have /// just been instantiated from a template. It therefore duplicates /// some of the behavior of GetTypeForDeclarator, but in a much /// simpler form that is only suitable for this narrow use case. /// /// \param T The return type of the function. /// /// \param ParamTypes The parameter types of the function. This array /// will be modified to account for adjustments to the types of the /// function parameters. /// /// \param Loc The location of the entity whose type involves this /// function type or, if there is no such entity, the location of the /// type that will have function type. /// /// \param Entity The name of the entity that involves the function /// type, if known. /// /// \param EPI Extra information about the function type. Usually this will /// be taken from an existing function with the same prototype. /// /// \returns A suitable function type, if there are no errors. The /// unqualified type will always be a FunctionProtoType. /// Otherwise, returns a NULL type. QualType BuildFunctionType(QualType T, MutableArrayRef ParamTypes, SourceLocation Loc, DeclarationName Entity, const FunctionProtoType::ExtProtoInfo &EPI); QualType BuildMemberPointerType(QualType T, QualType Class, SourceLocation Loc, DeclarationName Entity); QualType BuildBlockPointerType(QualType T, SourceLocation Loc, DeclarationName Entity); QualType BuildParenType(QualType T); QualType BuildAtomicType(QualType T, SourceLocation Loc); QualType BuildReadPipeType(QualType T, SourceLocation Loc); QualType BuildWritePipeType(QualType T, SourceLocation Loc); QualType BuildExtIntType(bool IsUnsigned, Expr *BitWidth, SourceLocation Loc); TypeSourceInfo *GetTypeForDeclarator(Declarator &D, Scope *S); TypeSourceInfo *GetTypeForDeclaratorCast(Declarator &D, QualType FromTy); /// Package the given type and TSI into a ParsedType. ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo); DeclarationNameInfo GetNameForDeclarator(Declarator &D); DeclarationNameInfo GetNameFromUnqualifiedId(const UnqualifiedId &Name); static QualType GetTypeFromParser(ParsedType Ty, TypeSourceInfo **TInfo = nullptr); CanThrowResult canThrow(const Stmt *E); const FunctionProtoType *ResolveExceptionSpec(SourceLocation Loc, const FunctionProtoType *FPT); void UpdateExceptionSpec(FunctionDecl *FD, const FunctionProtoType::ExceptionSpecInfo &ESI); bool CheckSpecifiedExceptionType(QualType &T, SourceRange Range); bool CheckDistantExceptionSpec(QualType T); bool CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New); bool CheckEquivalentExceptionSpec( const FunctionProtoType *Old, SourceLocation OldLoc, const FunctionProtoType *New, SourceLocation NewLoc); bool CheckEquivalentExceptionSpec( const PartialDiagnostic &DiagID, const PartialDiagnostic & NoteID, const FunctionProtoType *Old, SourceLocation OldLoc, const FunctionProtoType *New, SourceLocation NewLoc); bool handlerCanCatch(QualType HandlerType, QualType ExceptionType); bool CheckExceptionSpecSubset(const PartialDiagnostic &DiagID, const PartialDiagnostic &NestedDiagID, const PartialDiagnostic &NoteID, const PartialDiagnostic &NoThrowDiagID, const FunctionProtoType *Superset, SourceLocation SuperLoc, const FunctionProtoType *Subset, SourceLocation SubLoc); bool CheckParamExceptionSpec(const PartialDiagnostic &NestedDiagID, const PartialDiagnostic &NoteID, const FunctionProtoType *Target, SourceLocation TargetLoc, const FunctionProtoType *Source, SourceLocation SourceLoc); TypeResult ActOnTypeName(Scope *S, Declarator &D); /// The parser has parsed the context-sensitive type 'instancetype' /// in an Objective-C message declaration. Return the appropriate type. ParsedType ActOnObjCInstanceType(SourceLocation Loc); /// Abstract class used to diagnose incomplete types. struct TypeDiagnoser { TypeDiagnoser() {} virtual void diagnose(Sema &S, SourceLocation Loc, QualType T) = 0; virtual ~TypeDiagnoser() {} }; static int getPrintable(int I) { return I; } static unsigned getPrintable(unsigned I) { return I; } static bool getPrintable(bool B) { return B; } static const char * getPrintable(const char *S) { return S; } static StringRef getPrintable(StringRef S) { return S; } static const std::string &getPrintable(const std::string &S) { return S; } static const IdentifierInfo *getPrintable(const IdentifierInfo *II) { return II; } static DeclarationName getPrintable(DeclarationName N) { return N; } static QualType getPrintable(QualType T) { return T; } static SourceRange getPrintable(SourceRange R) { return R; } static SourceRange getPrintable(SourceLocation L) { return L; } static SourceRange getPrintable(const Expr *E) { return E->getSourceRange(); } static SourceRange getPrintable(TypeLoc TL) { return TL.getSourceRange();} template class BoundTypeDiagnoser : public TypeDiagnoser { protected: unsigned DiagID; std::tuple Args; template void emit(const SemaDiagnosticBuilder &DB, std::index_sequence) const { // Apply all tuple elements to the builder in order. bool Dummy[] = {false, (DB << getPrintable(std::get(Args)))...}; (void)Dummy; } public: BoundTypeDiagnoser(unsigned DiagID, const Ts &...Args) : TypeDiagnoser(), DiagID(DiagID), Args(Args...) { assert(DiagID != 0 && "no diagnostic for type diagnoser"); } void diagnose(Sema &S, SourceLocation Loc, QualType T) override { const SemaDiagnosticBuilder &DB = S.Diag(Loc, DiagID); emit(DB, std::index_sequence_for()); DB << T; } }; /// A derivative of BoundTypeDiagnoser for which the diagnostic's type /// parameter is preceded by a 0/1 enum that is 1 if the type is sizeless. /// For example, a diagnostic with no other parameters would generally have /// the form "...%select{incomplete|sizeless}0 type %1...". template class SizelessTypeDiagnoser : public BoundTypeDiagnoser { public: SizelessTypeDiagnoser(unsigned DiagID, const Ts &... Args) : BoundTypeDiagnoser(DiagID, Args...) {} void diagnose(Sema &S, SourceLocation Loc, QualType T) override { const SemaDiagnosticBuilder &DB = S.Diag(Loc, this->DiagID); this->emit(DB, std::index_sequence_for()); DB << T->isSizelessType() << T; } }; enum class CompleteTypeKind { /// Apply the normal rules for complete types. In particular, /// treat all sizeless types as incomplete. Normal, /// Relax the normal rules for complete types so that they include /// sizeless built-in types. AcceptSizeless, // FIXME: Eventually we should flip the default to Normal and opt in // to AcceptSizeless rather than opt out of it. Default = AcceptSizeless }; private: /// Methods for marking which expressions involve dereferencing a pointer /// marked with the 'noderef' attribute. Expressions are checked bottom up as /// they are parsed, meaning that a noderef pointer may not be accessed. For /// example, in `&*p` where `p` is a noderef pointer, we will first parse the /// `*p`, but need to check that `address of` is called on it. This requires /// keeping a container of all pending expressions and checking if the address /// of them are eventually taken. void CheckSubscriptAccessOfNoDeref(const ArraySubscriptExpr *E); void CheckAddressOfNoDeref(const Expr *E); void CheckMemberAccessOfNoDeref(const MemberExpr *E); bool RequireCompleteTypeImpl(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser *Diagnoser); struct ModuleScope { SourceLocation BeginLoc; clang::Module *Module = nullptr; bool ModuleInterface = false; bool ImplicitGlobalModuleFragment = false; VisibleModuleSet OuterVisibleModules; }; /// The modules we're currently parsing. llvm::SmallVector ModuleScopes; /// Namespace definitions that we will export when they finish. llvm::SmallPtrSet DeferredExportedNamespaces; /// Get the module whose scope we are currently within. Module *getCurrentModule() const { return ModuleScopes.empty() ? nullptr : ModuleScopes.back().Module; } VisibleModuleSet VisibleModules; public: /// Get the module owning an entity. Module *getOwningModule(const Decl *Entity) { return Entity->getOwningModule(); } /// Make a merged definition of an existing hidden definition \p ND /// visible at the specified location. void makeMergedDefinitionVisible(NamedDecl *ND); bool isModuleVisible(const Module *M, bool ModulePrivate = false); /// Determine whether a declaration is visible to name lookup. bool isVisible(const NamedDecl *D) { return D->isUnconditionallyVisible() || isVisibleSlow(D); } /// Determine whether any declaration of an entity is visible. bool hasVisibleDeclaration(const NamedDecl *D, llvm::SmallVectorImpl *Modules = nullptr) { return isVisible(D) || hasVisibleDeclarationSlow(D, Modules); } bool hasVisibleDeclarationSlow(const NamedDecl *D, llvm::SmallVectorImpl *Modules); bool hasVisibleMergedDefinition(NamedDecl *Def); bool hasMergedDefinitionInCurrentModule(NamedDecl *Def); /// Determine if \p D and \p Suggested have a structurally compatible /// layout as described in C11 6.2.7/1. bool hasStructuralCompatLayout(Decl *D, Decl *Suggested); /// Determine if \p D has a visible definition. If not, suggest a declaration /// that should be made visible to expose the definition. bool hasVisibleDefinition(NamedDecl *D, NamedDecl **Suggested, bool OnlyNeedComplete = false); bool hasVisibleDefinition(const NamedDecl *D) { NamedDecl *Hidden; return hasVisibleDefinition(const_cast(D), &Hidden); } /// Determine if the template parameter \p D has a visible default argument. bool hasVisibleDefaultArgument(const NamedDecl *D, llvm::SmallVectorImpl *Modules = nullptr); /// Determine if there is a visible declaration of \p D that is an explicit /// specialization declaration for a specialization of a template. (For a /// member specialization, use hasVisibleMemberSpecialization.) bool hasVisibleExplicitSpecialization( const NamedDecl *D, llvm::SmallVectorImpl *Modules = nullptr); /// Determine if there is a visible declaration of \p D that is a member /// specialization declaration (as opposed to an instantiated declaration). bool hasVisibleMemberSpecialization( const NamedDecl *D, llvm::SmallVectorImpl *Modules = nullptr); /// Determine if \p A and \p B are equivalent internal linkage declarations /// from different modules, and thus an ambiguity error can be downgraded to /// an extension warning. bool isEquivalentInternalLinkageDeclaration(const NamedDecl *A, const NamedDecl *B); void diagnoseEquivalentInternalLinkageDeclarations( SourceLocation Loc, const NamedDecl *D, ArrayRef Equiv); bool isUsualDeallocationFunction(const CXXMethodDecl *FD); bool isCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind = CompleteTypeKind::Default) { return !RequireCompleteTypeImpl(Loc, T, Kind, nullptr); } bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser); bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, unsigned DiagID); bool RequireCompleteType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser) { return RequireCompleteType(Loc, T, CompleteTypeKind::Default, Diagnoser); } bool RequireCompleteType(SourceLocation Loc, QualType T, unsigned DiagID) { return RequireCompleteType(Loc, T, CompleteTypeKind::Default, DiagID); } template bool RequireCompleteType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args) { BoundTypeDiagnoser Diagnoser(DiagID, Args...); return RequireCompleteType(Loc, T, Diagnoser); } template bool RequireCompleteSizedType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &... Args) { SizelessTypeDiagnoser Diagnoser(DiagID, Args...); return RequireCompleteType(Loc, T, CompleteTypeKind::Normal, Diagnoser); } void completeExprArrayBound(Expr *E); bool RequireCompleteExprType(Expr *E, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser); bool RequireCompleteExprType(Expr *E, unsigned DiagID); template bool RequireCompleteExprType(Expr *E, unsigned DiagID, const Ts &...Args) { BoundTypeDiagnoser Diagnoser(DiagID, Args...); return RequireCompleteExprType(E, CompleteTypeKind::Default, Diagnoser); } template bool RequireCompleteSizedExprType(Expr *E, unsigned DiagID, const Ts &... Args) { SizelessTypeDiagnoser Diagnoser(DiagID, Args...); return RequireCompleteExprType(E, CompleteTypeKind::Normal, Diagnoser); } bool RequireLiteralType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser); bool RequireLiteralType(SourceLocation Loc, QualType T, unsigned DiagID); template bool RequireLiteralType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args) { BoundTypeDiagnoser Diagnoser(DiagID, Args...); return RequireLiteralType(Loc, T, Diagnoser); } QualType getElaboratedType(ElaboratedTypeKeyword Keyword, const CXXScopeSpec &SS, QualType T, TagDecl *OwnedTagDecl = nullptr); QualType BuildTypeofExprType(Expr *E, SourceLocation Loc); /// If AsUnevaluated is false, E is treated as though it were an evaluated /// context, such as when building a type for decltype(auto). QualType BuildDecltypeType(Expr *E, SourceLocation Loc, bool AsUnevaluated = true); QualType BuildUnaryTransformType(QualType BaseType, UnaryTransformType::UTTKind UKind, SourceLocation Loc); //===--------------------------------------------------------------------===// // Symbol table / Decl tracking callbacks: SemaDecl.cpp. // struct SkipBodyInfo { SkipBodyInfo() : ShouldSkip(false), CheckSameAsPrevious(false), Previous(nullptr), New(nullptr) {} bool ShouldSkip; bool CheckSameAsPrevious; NamedDecl *Previous; NamedDecl *New; }; DeclGroupPtrTy ConvertDeclToDeclGroup(Decl *Ptr, Decl *OwnedType = nullptr); void DiagnoseUseOfUnimplementedSelectors(); bool isSimpleTypeSpecifier(tok::TokenKind Kind) const; ParsedType getTypeName(const IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec *SS = nullptr, bool isClassName = false, bool HasTrailingDot = false, ParsedType ObjectType = nullptr, bool IsCtorOrDtorName = false, bool WantNontrivialTypeSourceInfo = false, bool IsClassTemplateDeductionContext = true, IdentifierInfo **CorrectedII = nullptr); TypeSpecifierType isTagName(IdentifierInfo &II, Scope *S); bool isMicrosoftMissingTypename(const CXXScopeSpec *SS, Scope *S); void DiagnoseUnknownTypeName(IdentifierInfo *&II, SourceLocation IILoc, Scope *S, CXXScopeSpec *SS, ParsedType &SuggestedType, bool IsTemplateName = false); /// Attempt to behave like MSVC in situations where lookup of an unqualified /// type name has failed in a dependent context. In these situations, we /// automatically form a DependentTypeName that will retry lookup in a related /// scope during instantiation. ParsedType ActOnMSVCUnknownTypeName(const IdentifierInfo &II, SourceLocation NameLoc, bool IsTemplateTypeArg); /// Describes the result of the name lookup and resolution performed /// by \c ClassifyName(). enum NameClassificationKind { /// This name is not a type or template in this context, but might be /// something else. NC_Unknown, /// Classification failed; an error has been produced. NC_Error, /// The name has been typo-corrected to a keyword. NC_Keyword, /// The name was classified as a type. NC_Type, /// The name was classified as a specific non-type, non-template /// declaration. ActOnNameClassifiedAsNonType should be called to /// convert the declaration to an expression. NC_NonType, /// The name was classified as an ADL-only function name. /// ActOnNameClassifiedAsUndeclaredNonType should be called to convert the /// result to an expression. NC_UndeclaredNonType, /// The name denotes a member of a dependent type that could not be /// resolved. ActOnNameClassifiedAsDependentNonType should be called to /// convert the result to an expression. NC_DependentNonType, /// The name was classified as a non-type, and an expression representing /// that name has been formed. NC_ContextIndependentExpr, /// The name was classified as a template whose specializations are types. NC_TypeTemplate, /// The name was classified as a variable template name. NC_VarTemplate, /// The name was classified as a function template name. NC_FunctionTemplate, /// The name was classified as an ADL-only function template name. NC_UndeclaredTemplate, /// The name was classified as a concept name. NC_Concept, }; class NameClassification { NameClassificationKind Kind; union { ExprResult Expr; NamedDecl *NonTypeDecl; TemplateName Template; ParsedType Type; }; explicit NameClassification(NameClassificationKind Kind) : Kind(Kind) {} public: NameClassification(ParsedType Type) : Kind(NC_Type), Type(Type) {} NameClassification(const IdentifierInfo *Keyword) : Kind(NC_Keyword) {} static NameClassification Error() { return NameClassification(NC_Error); } static NameClassification Unknown() { return NameClassification(NC_Unknown); } static NameClassification ContextIndependentExpr(ExprResult E) { NameClassification Result(NC_ContextIndependentExpr); Result.Expr = E; return Result; } static NameClassification NonType(NamedDecl *D) { NameClassification Result(NC_NonType); Result.NonTypeDecl = D; return Result; } static NameClassification UndeclaredNonType() { return NameClassification(NC_UndeclaredNonType); } static NameClassification DependentNonType() { return NameClassification(NC_DependentNonType); } static NameClassification TypeTemplate(TemplateName Name) { NameClassification Result(NC_TypeTemplate); Result.Template = Name; return Result; } static NameClassification VarTemplate(TemplateName Name) { NameClassification Result(NC_VarTemplate); Result.Template = Name; return Result; } static NameClassification FunctionTemplate(TemplateName Name) { NameClassification Result(NC_FunctionTemplate); Result.Template = Name; return Result; } static NameClassification Concept(TemplateName Name) { NameClassification Result(NC_Concept); Result.Template = Name; return Result; } static NameClassification UndeclaredTemplate(TemplateName Name) { NameClassification Result(NC_UndeclaredTemplate); Result.Template = Name; return Result; } NameClassificationKind getKind() const { return Kind; } ExprResult getExpression() const { assert(Kind == NC_ContextIndependentExpr); return Expr; } ParsedType getType() const { assert(Kind == NC_Type); return Type; } NamedDecl *getNonTypeDecl() const { assert(Kind == NC_NonType); return NonTypeDecl; } TemplateName getTemplateName() const { assert(Kind == NC_TypeTemplate || Kind == NC_FunctionTemplate || Kind == NC_VarTemplate || Kind == NC_Concept || Kind == NC_UndeclaredTemplate); return Template; } TemplateNameKind getTemplateNameKind() const { switch (Kind) { case NC_TypeTemplate: return TNK_Type_template; case NC_FunctionTemplate: return TNK_Function_template; case NC_VarTemplate: return TNK_Var_template; case NC_Concept: return TNK_Concept_template; case NC_UndeclaredTemplate: return TNK_Undeclared_template; default: llvm_unreachable("unsupported name classification."); } } }; /// Perform name lookup on the given name, classifying it based on /// the results of name lookup and the following token. /// /// This routine is used by the parser to resolve identifiers and help direct /// parsing. When the identifier cannot be found, this routine will attempt /// to correct the typo and classify based on the resulting name. /// /// \param S The scope in which we're performing name lookup. /// /// \param SS The nested-name-specifier that precedes the name. /// /// \param Name The identifier. If typo correction finds an alternative name, /// this pointer parameter will be updated accordingly. /// /// \param NameLoc The location of the identifier. /// /// \param NextToken The token following the identifier. Used to help /// disambiguate the name. /// /// \param CCC The correction callback, if typo correction is desired. NameClassification ClassifyName(Scope *S, CXXScopeSpec &SS, IdentifierInfo *&Name, SourceLocation NameLoc, const Token &NextToken, CorrectionCandidateCallback *CCC = nullptr); /// Act on the result of classifying a name as an undeclared (ADL-only) /// non-type declaration. ExprResult ActOnNameClassifiedAsUndeclaredNonType(IdentifierInfo *Name, SourceLocation NameLoc); /// Act on the result of classifying a name as an undeclared member of a /// dependent base class. ExprResult ActOnNameClassifiedAsDependentNonType(const CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, bool IsAddressOfOperand); /// Act on the result of classifying a name as a specific non-type /// declaration. ExprResult ActOnNameClassifiedAsNonType(Scope *S, const CXXScopeSpec &SS, NamedDecl *Found, SourceLocation NameLoc, const Token &NextToken); /// Describes the detailed kind of a template name. Used in diagnostics. enum class TemplateNameKindForDiagnostics { ClassTemplate, FunctionTemplate, VarTemplate, AliasTemplate, TemplateTemplateParam, Concept, DependentTemplate }; TemplateNameKindForDiagnostics getTemplateNameKindForDiagnostics(TemplateName Name); /// Determine whether it's plausible that E was intended to be a /// template-name. bool mightBeIntendedToBeTemplateName(ExprResult E, bool &Dependent) { if (!getLangOpts().CPlusPlus || E.isInvalid()) return false; Dependent = false; if (auto *DRE = dyn_cast(E.get())) return !DRE->hasExplicitTemplateArgs(); if (auto *ME = dyn_cast(E.get())) return !ME->hasExplicitTemplateArgs(); Dependent = true; if (auto *DSDRE = dyn_cast(E.get())) return !DSDRE->hasExplicitTemplateArgs(); if (auto *DSME = dyn_cast(E.get())) return !DSME->hasExplicitTemplateArgs(); // Any additional cases recognized here should also be handled by // diagnoseExprIntendedAsTemplateName. return false; } void diagnoseExprIntendedAsTemplateName(Scope *S, ExprResult TemplateName, SourceLocation Less, SourceLocation Greater); Decl *ActOnDeclarator(Scope *S, Declarator &D); NamedDecl *HandleDeclarator(Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParameterLists); void RegisterLocallyScopedExternCDecl(NamedDecl *ND, Scope *S); bool DiagnoseClassNameShadow(DeclContext *DC, DeclarationNameInfo Info); bool diagnoseQualifiedDeclaration(CXXScopeSpec &SS, DeclContext *DC, DeclarationName Name, SourceLocation Loc, bool IsTemplateId); void diagnoseIgnoredQualifiers(unsigned DiagID, unsigned Quals, SourceLocation FallbackLoc, SourceLocation ConstQualLoc = SourceLocation(), SourceLocation VolatileQualLoc = SourceLocation(), SourceLocation RestrictQualLoc = SourceLocation(), SourceLocation AtomicQualLoc = SourceLocation(), SourceLocation UnalignedQualLoc = SourceLocation()); static bool adjustContextForLocalExternDecl(DeclContext *&DC); void DiagnoseFunctionSpecifiers(const DeclSpec &DS); NamedDecl *getShadowedDeclaration(const TypedefNameDecl *D, const LookupResult &R); NamedDecl *getShadowedDeclaration(const VarDecl *D, const LookupResult &R); void CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl, const LookupResult &R); void CheckShadow(Scope *S, VarDecl *D); /// Warn if 'E', which is an expression that is about to be modified, refers /// to a shadowing declaration. void CheckShadowingDeclModification(Expr *E, SourceLocation Loc); void DiagnoseShadowingLambdaDecls(const sema::LambdaScopeInfo *LSI); private: /// Map of current shadowing declarations to shadowed declarations. Warn if /// it looks like the user is trying to modify the shadowing declaration. llvm::DenseMap ShadowingDecls; public: void CheckCastAlign(Expr *Op, QualType T, SourceRange TRange); void handleTagNumbering(const TagDecl *Tag, Scope *TagScope); void setTagNameForLinkagePurposes(TagDecl *TagFromDeclSpec, TypedefNameDecl *NewTD); void CheckTypedefForVariablyModifiedType(Scope *S, TypedefNameDecl *D); NamedDecl* ActOnTypedefDeclarator(Scope* S, Declarator& D, DeclContext* DC, TypeSourceInfo *TInfo, LookupResult &Previous); NamedDecl* ActOnTypedefNameDecl(Scope* S, DeclContext* DC, TypedefNameDecl *D, LookupResult &Previous, bool &Redeclaration); NamedDecl *ActOnVariableDeclarator(Scope *S, Declarator &D, DeclContext *DC, TypeSourceInfo *TInfo, LookupResult &Previous, MultiTemplateParamsArg TemplateParamLists, bool &AddToScope, ArrayRef Bindings = None); NamedDecl * ActOnDecompositionDeclarator(Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists); // Returns true if the variable declaration is a redeclaration bool CheckVariableDeclaration(VarDecl *NewVD, LookupResult &Previous); void CheckVariableDeclarationType(VarDecl *NewVD); bool DeduceVariableDeclarationType(VarDecl *VDecl, bool DirectInit, Expr *Init); void CheckCompleteVariableDeclaration(VarDecl *VD); void CheckCompleteDecompositionDeclaration(DecompositionDecl *DD); void MaybeSuggestAddingStaticToDecl(const FunctionDecl *D); NamedDecl* ActOnFunctionDeclarator(Scope* S, Declarator& D, DeclContext* DC, TypeSourceInfo *TInfo, LookupResult &Previous, MultiTemplateParamsArg TemplateParamLists, bool &AddToScope); bool AddOverriddenMethods(CXXRecordDecl *DC, CXXMethodDecl *MD); enum class CheckConstexprKind { /// Diagnose issues that are non-constant or that are extensions. Diagnose, /// Identify whether this function satisfies the formal rules for constexpr /// functions in the current lanugage mode (with no extensions). CheckValid }; bool CheckConstexprFunctionDefinition(const FunctionDecl *FD, CheckConstexprKind Kind); void DiagnoseHiddenVirtualMethods(CXXMethodDecl *MD); void FindHiddenVirtualMethods(CXXMethodDecl *MD, SmallVectorImpl &OverloadedMethods); void NoteHiddenVirtualMethods(CXXMethodDecl *MD, SmallVectorImpl &OverloadedMethods); // Returns true if the function declaration is a redeclaration bool CheckFunctionDeclaration(Scope *S, FunctionDecl *NewFD, LookupResult &Previous, bool IsMemberSpecialization); bool shouldLinkDependentDeclWithPrevious(Decl *D, Decl *OldDecl); bool canFullyTypeCheckRedeclaration(ValueDecl *NewD, ValueDecl *OldD, QualType NewT, QualType OldT); void CheckMain(FunctionDecl *FD, const DeclSpec &D); void CheckMSVCRTEntryPoint(FunctionDecl *FD); Attr *getImplicitCodeSegOrSectionAttrForFunction(const FunctionDecl *FD, bool IsDefinition); void CheckFunctionOrTemplateParamDeclarator(Scope *S, Declarator &D); Decl *ActOnParamDeclarator(Scope *S, Declarator &D); ParmVarDecl *BuildParmVarDeclForTypedef(DeclContext *DC, SourceLocation Loc, QualType T); ParmVarDecl *CheckParameter(DeclContext *DC, SourceLocation StartLoc, SourceLocation NameLoc, IdentifierInfo *Name, QualType T, TypeSourceInfo *TSInfo, StorageClass SC); void ActOnParamDefaultArgument(Decl *param, SourceLocation EqualLoc, Expr *defarg); void ActOnParamUnparsedDefaultArgument(Decl *param, SourceLocation EqualLoc, SourceLocation ArgLoc); void ActOnParamDefaultArgumentError(Decl *param, SourceLocation EqualLoc); ExprResult ConvertParamDefaultArgument(const ParmVarDecl *Param, Expr *DefaultArg, SourceLocation EqualLoc); void SetParamDefaultArgument(ParmVarDecl *Param, Expr *DefaultArg, SourceLocation EqualLoc); // Contexts where using non-trivial C union types can be disallowed. This is // passed to err_non_trivial_c_union_in_invalid_context. enum NonTrivialCUnionContext { // Function parameter. NTCUC_FunctionParam, // Function return. NTCUC_FunctionReturn, // Default-initialized object. NTCUC_DefaultInitializedObject, // Variable with automatic storage duration. NTCUC_AutoVar, // Initializer expression that might copy from another object. NTCUC_CopyInit, // Assignment. NTCUC_Assignment, // Compound literal. NTCUC_CompoundLiteral, // Block capture. NTCUC_BlockCapture, // lvalue-to-rvalue conversion of volatile type. NTCUC_LValueToRValueVolatile, }; /// Emit diagnostics if the initializer or any of its explicit or /// implicitly-generated subexpressions require copying or /// default-initializing a type that is or contains a C union type that is /// non-trivial to copy or default-initialize. void checkNonTrivialCUnionInInitializer(const Expr *Init, SourceLocation Loc); // These flags are passed to checkNonTrivialCUnion. enum NonTrivialCUnionKind { NTCUK_Init = 0x1, NTCUK_Destruct = 0x2, NTCUK_Copy = 0x4, }; /// Emit diagnostics if a non-trivial C union type or a struct that contains /// a non-trivial C union is used in an invalid context. void checkNonTrivialCUnion(QualType QT, SourceLocation Loc, NonTrivialCUnionContext UseContext, unsigned NonTrivialKind); void AddInitializerToDecl(Decl *dcl, Expr *init, bool DirectInit); void ActOnUninitializedDecl(Decl *dcl); void ActOnInitializerError(Decl *Dcl); void ActOnPureSpecifier(Decl *D, SourceLocation PureSpecLoc); void ActOnCXXForRangeDecl(Decl *D); StmtResult ActOnCXXForRangeIdentifier(Scope *S, SourceLocation IdentLoc, IdentifierInfo *Ident, ParsedAttributes &Attrs, SourceLocation AttrEnd); void SetDeclDeleted(Decl *dcl, SourceLocation DelLoc); void SetDeclDefaulted(Decl *dcl, SourceLocation DefaultLoc); void CheckStaticLocalForDllExport(VarDecl *VD); void FinalizeDeclaration(Decl *D); DeclGroupPtrTy FinalizeDeclaratorGroup(Scope *S, const DeclSpec &DS, ArrayRef Group); DeclGroupPtrTy BuildDeclaratorGroup(MutableArrayRef Group); /// Should be called on all declarations that might have attached /// documentation comments. void ActOnDocumentableDecl(Decl *D); void ActOnDocumentableDecls(ArrayRef Group); void ActOnFinishKNRParamDeclarations(Scope *S, Declarator &D, SourceLocation LocAfterDecls); void CheckForFunctionRedefinition( FunctionDecl *FD, const FunctionDecl *EffectiveDefinition = nullptr, SkipBodyInfo *SkipBody = nullptr); Decl *ActOnStartOfFunctionDef(Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParamLists, SkipBodyInfo *SkipBody = nullptr); Decl *ActOnStartOfFunctionDef(Scope *S, Decl *D, SkipBodyInfo *SkipBody = nullptr); void ActOnStartTrailingRequiresClause(Scope *S, Declarator &D); ExprResult ActOnFinishTrailingRequiresClause(ExprResult ConstraintExpr); void ActOnStartOfObjCMethodDef(Scope *S, Decl *D); bool isObjCMethodDecl(Decl *D) { return D && isa(D); } /// Determine whether we can delay parsing the body of a function or /// function template until it is used, assuming we don't care about emitting /// code for that function. /// /// This will be \c false if we may need the body of the function in the /// middle of parsing an expression (where it's impractical to switch to /// parsing a different function), for instance, if it's constexpr in C++11 /// or has an 'auto' return type in C++14. These cases are essentially bugs. bool canDelayFunctionBody(const Declarator &D); /// Determine whether we can skip parsing the body of a function /// definition, assuming we don't care about analyzing its body or emitting /// code for that function. /// /// This will be \c false only if we may need the body of the function in /// order to parse the rest of the program (for instance, if it is /// \c constexpr in C++11 or has an 'auto' return type in C++14). bool canSkipFunctionBody(Decl *D); void computeNRVO(Stmt *Body, sema::FunctionScopeInfo *Scope); Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body); Decl *ActOnFinishFunctionBody(Decl *Decl, Stmt *Body, bool IsInstantiation); Decl *ActOnSkippedFunctionBody(Decl *Decl); void ActOnFinishInlineFunctionDef(FunctionDecl *D); /// ActOnFinishDelayedAttribute - Invoked when we have finished parsing an /// attribute for which parsing is delayed. void ActOnFinishDelayedAttribute(Scope *S, Decl *D, ParsedAttributes &Attrs); /// Diagnose any unused parameters in the given sequence of /// ParmVarDecl pointers. void DiagnoseUnusedParameters(ArrayRef Parameters); /// Diagnose whether the size of parameters or return value of a /// function or obj-c method definition is pass-by-value and larger than a /// specified threshold. void DiagnoseSizeOfParametersAndReturnValue(ArrayRef Parameters, QualType ReturnTy, NamedDecl *D); void DiagnoseInvalidJumps(Stmt *Body); Decl *ActOnFileScopeAsmDecl(Expr *expr, SourceLocation AsmLoc, SourceLocation RParenLoc); /// Handle a C++11 empty-declaration and attribute-declaration. Decl *ActOnEmptyDeclaration(Scope *S, const ParsedAttributesView &AttrList, SourceLocation SemiLoc); enum class ModuleDeclKind { Interface, ///< 'export module X;' Implementation, ///< 'module X;' }; /// The parser has processed a module-declaration that begins the definition /// of a module interface or implementation. DeclGroupPtrTy ActOnModuleDecl(SourceLocation StartLoc, SourceLocation ModuleLoc, ModuleDeclKind MDK, ModuleIdPath Path, bool IsFirstDecl); /// The parser has processed a global-module-fragment declaration that begins /// the definition of the global module fragment of the current module unit. /// \param ModuleLoc The location of the 'module' keyword. DeclGroupPtrTy ActOnGlobalModuleFragmentDecl(SourceLocation ModuleLoc); /// The parser has processed a private-module-fragment declaration that begins /// the definition of the private module fragment of the current module unit. /// \param ModuleLoc The location of the 'module' keyword. /// \param PrivateLoc The location of the 'private' keyword. DeclGroupPtrTy ActOnPrivateModuleFragmentDecl(SourceLocation ModuleLoc, SourceLocation PrivateLoc); /// The parser has processed a module import declaration. /// /// \param StartLoc The location of the first token in the declaration. This /// could be the location of an '@', 'export', or 'import'. /// \param ExportLoc The location of the 'export' keyword, if any. /// \param ImportLoc The location of the 'import' keyword. /// \param Path The module access path. DeclResult ActOnModuleImport(SourceLocation StartLoc, SourceLocation ExportLoc, SourceLocation ImportLoc, ModuleIdPath Path); DeclResult ActOnModuleImport(SourceLocation StartLoc, SourceLocation ExportLoc, SourceLocation ImportLoc, Module *M, ModuleIdPath Path = {}); /// The parser has processed a module import translated from a /// #include or similar preprocessing directive. void ActOnModuleInclude(SourceLocation DirectiveLoc, Module *Mod); void BuildModuleInclude(SourceLocation DirectiveLoc, Module *Mod); /// The parsed has entered a submodule. void ActOnModuleBegin(SourceLocation DirectiveLoc, Module *Mod); /// The parser has left a submodule. void ActOnModuleEnd(SourceLocation DirectiveLoc, Module *Mod); /// Create an implicit import of the given module at the given /// source location, for error recovery, if possible. /// /// This routine is typically used when an entity found by name lookup /// is actually hidden within a module that we know about but the user /// has forgotten to import. void createImplicitModuleImportForErrorRecovery(SourceLocation Loc, Module *Mod); /// Kinds of missing import. Note, the values of these enumerators correspond /// to %select values in diagnostics. enum class MissingImportKind { Declaration, Definition, DefaultArgument, ExplicitSpecialization, PartialSpecialization }; /// Diagnose that the specified declaration needs to be visible but /// isn't, and suggest a module import that would resolve the problem. void diagnoseMissingImport(SourceLocation Loc, NamedDecl *Decl, MissingImportKind MIK, bool Recover = true); void diagnoseMissingImport(SourceLocation Loc, NamedDecl *Decl, SourceLocation DeclLoc, ArrayRef Modules, MissingImportKind MIK, bool Recover); Decl *ActOnStartExportDecl(Scope *S, SourceLocation ExportLoc, SourceLocation LBraceLoc); Decl *ActOnFinishExportDecl(Scope *S, Decl *ExportDecl, SourceLocation RBraceLoc); /// We've found a use of a templated declaration that would trigger an /// implicit instantiation. Check that any relevant explicit specializations /// and partial specializations are visible, and diagnose if not. void checkSpecializationVisibility(SourceLocation Loc, NamedDecl *Spec); /// We've found a use of a template specialization that would select a /// partial specialization. Check that the partial specialization is visible, /// and diagnose if not. void checkPartialSpecializationVisibility(SourceLocation Loc, NamedDecl *Spec); /// Retrieve a suitable printing policy for diagnostics. PrintingPolicy getPrintingPolicy() const { return getPrintingPolicy(Context, PP); } /// Retrieve a suitable printing policy for diagnostics. static PrintingPolicy getPrintingPolicy(const ASTContext &Ctx, const Preprocessor &PP); /// Scope actions. void ActOnPopScope(SourceLocation Loc, Scope *S); void ActOnTranslationUnitScope(Scope *S); Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, DeclSpec &DS, RecordDecl *&AnonRecord); Decl *ParsedFreeStandingDeclSpec(Scope *S, AccessSpecifier AS, DeclSpec &DS, MultiTemplateParamsArg TemplateParams, bool IsExplicitInstantiation, RecordDecl *&AnonRecord); Decl *BuildAnonymousStructOrUnion(Scope *S, DeclSpec &DS, AccessSpecifier AS, RecordDecl *Record, const PrintingPolicy &Policy); Decl *BuildMicrosoftCAnonymousStruct(Scope *S, DeclSpec &DS, RecordDecl *Record); /// Common ways to introduce type names without a tag for use in diagnostics. /// Keep in sync with err_tag_reference_non_tag. enum NonTagKind { NTK_NonStruct, NTK_NonClass, NTK_NonUnion, NTK_NonEnum, NTK_Typedef, NTK_TypeAlias, NTK_Template, NTK_TypeAliasTemplate, NTK_TemplateTemplateArgument, }; /// Given a non-tag type declaration, returns an enum useful for indicating /// what kind of non-tag type this is. NonTagKind getNonTagTypeDeclKind(const Decl *D, TagTypeKind TTK); bool isAcceptableTagRedeclaration(const TagDecl *Previous, TagTypeKind NewTag, bool isDefinition, SourceLocation NewTagLoc, const IdentifierInfo *Name); enum TagUseKind { TUK_Reference, // Reference to a tag: 'struct foo *X;' TUK_Declaration, // Fwd decl of a tag: 'struct foo;' TUK_Definition, // Definition of a tag: 'struct foo { int X; } Y;' TUK_Friend // Friend declaration: 'friend struct foo;' }; Decl *ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr, AccessSpecifier AS, SourceLocation ModulePrivateLoc, MultiTemplateParamsArg TemplateParameterLists, bool &OwnedDecl, bool &IsDependent, SourceLocation ScopedEnumKWLoc, bool ScopedEnumUsesClassTag, TypeResult UnderlyingType, bool IsTypeSpecifier, bool IsTemplateParamOrArg, SkipBodyInfo *SkipBody = nullptr); Decl *ActOnTemplatedFriendTag(Scope *S, SourceLocation FriendLoc, unsigned TagSpec, SourceLocation TagLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr, MultiTemplateParamsArg TempParamLists); TypeResult ActOnDependentTag(Scope *S, unsigned TagSpec, TagUseKind TUK, const CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation TagLoc, SourceLocation NameLoc); void ActOnDefs(Scope *S, Decl *TagD, SourceLocation DeclStart, IdentifierInfo *ClassName, SmallVectorImpl &Decls); Decl *ActOnField(Scope *S, Decl *TagD, SourceLocation DeclStart, Declarator &D, Expr *BitfieldWidth); FieldDecl *HandleField(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, Declarator &D, Expr *BitfieldWidth, InClassInitStyle InitStyle, AccessSpecifier AS); MSPropertyDecl *HandleMSProperty(Scope *S, RecordDecl *TagD, SourceLocation DeclStart, Declarator &D, Expr *BitfieldWidth, InClassInitStyle InitStyle, AccessSpecifier AS, const ParsedAttr &MSPropertyAttr); FieldDecl *CheckFieldDecl(DeclarationName Name, QualType T, TypeSourceInfo *TInfo, RecordDecl *Record, SourceLocation Loc, bool Mutable, Expr *BitfieldWidth, InClassInitStyle InitStyle, SourceLocation TSSL, AccessSpecifier AS, NamedDecl *PrevDecl, Declarator *D = nullptr); bool CheckNontrivialField(FieldDecl *FD); void DiagnoseNontrivial(const CXXRecordDecl *Record, CXXSpecialMember CSM); enum TrivialABIHandling { /// The triviality of a method unaffected by "trivial_abi". TAH_IgnoreTrivialABI, /// The triviality of a method affected by "trivial_abi". TAH_ConsiderTrivialABI }; bool SpecialMemberIsTrivial(CXXMethodDecl *MD, CXXSpecialMember CSM, TrivialABIHandling TAH = TAH_IgnoreTrivialABI, bool Diagnose = false); /// For a defaulted function, the kind of defaulted function that it is. class DefaultedFunctionKind { CXXSpecialMember SpecialMember : 8; DefaultedComparisonKind Comparison : 8; public: DefaultedFunctionKind() : SpecialMember(CXXInvalid), Comparison(DefaultedComparisonKind::None) { } DefaultedFunctionKind(CXXSpecialMember CSM) : SpecialMember(CSM), Comparison(DefaultedComparisonKind::None) {} DefaultedFunctionKind(DefaultedComparisonKind Comp) : SpecialMember(CXXInvalid), Comparison(Comp) {} bool isSpecialMember() const { return SpecialMember != CXXInvalid; } bool isComparison() const { return Comparison != DefaultedComparisonKind::None; } explicit operator bool() const { return isSpecialMember() || isComparison(); } CXXSpecialMember asSpecialMember() const { return SpecialMember; } DefaultedComparisonKind asComparison() const { return Comparison; } /// Get the index of this function kind for use in diagnostics. unsigned getDiagnosticIndex() const { static_assert(CXXInvalid > CXXDestructor, "invalid should have highest index"); static_assert((unsigned)DefaultedComparisonKind::None == 0, "none should be equal to zero"); return SpecialMember + (unsigned)Comparison; } }; DefaultedFunctionKind getDefaultedFunctionKind(const FunctionDecl *FD); CXXSpecialMember getSpecialMember(const CXXMethodDecl *MD) { return getDefaultedFunctionKind(MD).asSpecialMember(); } DefaultedComparisonKind getDefaultedComparisonKind(const FunctionDecl *FD) { return getDefaultedFunctionKind(FD).asComparison(); } void ActOnLastBitfield(SourceLocation DeclStart, SmallVectorImpl &AllIvarDecls); Decl *ActOnIvar(Scope *S, SourceLocation DeclStart, Declarator &D, Expr *BitfieldWidth, tok::ObjCKeywordKind visibility); // This is used for both record definitions and ObjC interface declarations. void ActOnFields(Scope *S, SourceLocation RecLoc, Decl *TagDecl, ArrayRef Fields, SourceLocation LBrac, SourceLocation RBrac, const ParsedAttributesView &AttrList); /// ActOnTagStartDefinition - Invoked when we have entered the /// scope of a tag's definition (e.g., for an enumeration, class, /// struct, or union). void ActOnTagStartDefinition(Scope *S, Decl *TagDecl); /// Perform ODR-like check for C/ObjC when merging tag types from modules. /// Differently from C++, actually parse the body and reject / error out /// in case of a structural mismatch. bool ActOnDuplicateDefinition(DeclSpec &DS, Decl *Prev, SkipBodyInfo &SkipBody); typedef void *SkippedDefinitionContext; /// Invoked when we enter a tag definition that we're skipping. SkippedDefinitionContext ActOnTagStartSkippedDefinition(Scope *S, Decl *TD); Decl *ActOnObjCContainerStartDefinition(Decl *IDecl); /// ActOnStartCXXMemberDeclarations - Invoked when we have parsed a /// C++ record definition's base-specifiers clause and are starting its /// member declarations. void ActOnStartCXXMemberDeclarations(Scope *S, Decl *TagDecl, SourceLocation FinalLoc, bool IsFinalSpelledSealed, SourceLocation LBraceLoc); /// ActOnTagFinishDefinition - Invoked once we have finished parsing /// the definition of a tag (enumeration, class, struct, or union). void ActOnTagFinishDefinition(Scope *S, Decl *TagDecl, SourceRange BraceRange); void ActOnTagFinishSkippedDefinition(SkippedDefinitionContext Context); void ActOnObjCContainerFinishDefinition(); /// Invoked when we must temporarily exit the objective-c container /// scope for parsing/looking-up C constructs. /// /// Must be followed by a call to \see ActOnObjCReenterContainerContext void ActOnObjCTemporaryExitContainerContext(DeclContext *DC); void ActOnObjCReenterContainerContext(DeclContext *DC); /// ActOnTagDefinitionError - Invoked when there was an unrecoverable /// error parsing the definition of a tag. void ActOnTagDefinitionError(Scope *S, Decl *TagDecl); EnumConstantDecl *CheckEnumConstant(EnumDecl *Enum, EnumConstantDecl *LastEnumConst, SourceLocation IdLoc, IdentifierInfo *Id, Expr *val); bool CheckEnumUnderlyingType(TypeSourceInfo *TI); bool CheckEnumRedeclaration(SourceLocation EnumLoc, bool IsScoped, QualType EnumUnderlyingTy, bool IsFixed, const EnumDecl *Prev); /// Determine whether the body of an anonymous enumeration should be skipped. /// \param II The name of the first enumerator. SkipBodyInfo shouldSkipAnonEnumBody(Scope *S, IdentifierInfo *II, SourceLocation IILoc); Decl *ActOnEnumConstant(Scope *S, Decl *EnumDecl, Decl *LastEnumConstant, SourceLocation IdLoc, IdentifierInfo *Id, const ParsedAttributesView &Attrs, SourceLocation EqualLoc, Expr *Val); void ActOnEnumBody(SourceLocation EnumLoc, SourceRange BraceRange, Decl *EnumDecl, ArrayRef Elements, Scope *S, const ParsedAttributesView &Attr); DeclContext *getContainingDC(DeclContext *DC); /// Set the current declaration context until it gets popped. void PushDeclContext(Scope *S, DeclContext *DC); void PopDeclContext(); /// EnterDeclaratorContext - Used when we must lookup names in the context /// of a declarator's nested name specifier. void EnterDeclaratorContext(Scope *S, DeclContext *DC); void ExitDeclaratorContext(Scope *S); /// Push the parameters of D, which must be a function, into scope. void ActOnReenterFunctionContext(Scope* S, Decl* D); void ActOnExitFunctionContext(); DeclContext *getFunctionLevelDeclContext(); /// getCurFunctionDecl - If inside of a function body, this returns a pointer /// to the function decl for the function being parsed. If we're currently /// in a 'block', this returns the containing context. FunctionDecl *getCurFunctionDecl(); /// getCurMethodDecl - If inside of a method body, this returns a pointer to /// the method decl for the method being parsed. If we're currently /// in a 'block', this returns the containing context. ObjCMethodDecl *getCurMethodDecl(); /// getCurFunctionOrMethodDecl - Return the Decl for the current ObjC method /// or C function we're in, otherwise return null. If we're currently /// in a 'block', this returns the containing context. NamedDecl *getCurFunctionOrMethodDecl(); /// Add this decl to the scope shadowed decl chains. void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext = true); /// isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true /// if 'D' is in Scope 'S', otherwise 'S' is ignored and isDeclInScope returns /// true if 'D' belongs to the given declaration context. /// /// \param AllowInlineNamespace If \c true, allow the declaration to be in the /// enclosing namespace set of the context, rather than contained /// directly within it. bool isDeclInScope(NamedDecl *D, DeclContext *Ctx, Scope *S = nullptr, bool AllowInlineNamespace = false); /// Finds the scope corresponding to the given decl context, if it /// happens to be an enclosing scope. Otherwise return NULL. static Scope *getScopeForDeclContext(Scope *S, DeclContext *DC); /// Subroutines of ActOnDeclarator(). TypedefDecl *ParseTypedefDecl(Scope *S, Declarator &D, QualType T, TypeSourceInfo *TInfo); bool isIncompatibleTypedef(TypeDecl *Old, TypedefNameDecl *New); /// Describes the kind of merge to perform for availability /// attributes (including "deprecated", "unavailable", and "availability"). enum AvailabilityMergeKind { /// Don't merge availability attributes at all. AMK_None, /// Merge availability attributes for a redeclaration, which requires /// an exact match. AMK_Redeclaration, /// Merge availability attributes for an override, which requires /// an exact match or a weakening of constraints. AMK_Override, /// Merge availability attributes for an implementation of /// a protocol requirement. AMK_ProtocolImplementation, }; /// Describes the kind of priority given to an availability attribute. /// /// The sum of priorities deteremines the final priority of the attribute. /// The final priority determines how the attribute will be merged. /// An attribute with a lower priority will always remove higher priority /// attributes for the specified platform when it is being applied. An /// attribute with a higher priority will not be applied if the declaration /// already has an availability attribute with a lower priority for the /// specified platform. The final prirority values are not expected to match /// the values in this enumeration, but instead should be treated as a plain /// integer value. This enumeration just names the priority weights that are /// used to calculate that final vaue. enum AvailabilityPriority : int { /// The availability attribute was specified explicitly next to the /// declaration. AP_Explicit = 0, /// The availability attribute was applied using '#pragma clang attribute'. AP_PragmaClangAttribute = 1, /// The availability attribute for a specific platform was inferred from /// an availability attribute for another platform. AP_InferredFromOtherPlatform = 2 }; /// Attribute merging methods. Return true if a new attribute was added. AvailabilityAttr * mergeAvailabilityAttr(NamedDecl *D, const AttributeCommonInfo &CI, IdentifierInfo *Platform, bool Implicit, VersionTuple Introduced, VersionTuple Deprecated, VersionTuple Obsoleted, bool IsUnavailable, StringRef Message, bool IsStrict, StringRef Replacement, AvailabilityMergeKind AMK, int Priority); TypeVisibilityAttr * mergeTypeVisibilityAttr(Decl *D, const AttributeCommonInfo &CI, TypeVisibilityAttr::VisibilityType Vis); VisibilityAttr *mergeVisibilityAttr(Decl *D, const AttributeCommonInfo &CI, VisibilityAttr::VisibilityType Vis); UuidAttr *mergeUuidAttr(Decl *D, const AttributeCommonInfo &CI, StringRef UuidAsWritten, MSGuidDecl *GuidDecl); DLLImportAttr *mergeDLLImportAttr(Decl *D, const AttributeCommonInfo &CI); DLLExportAttr *mergeDLLExportAttr(Decl *D, const AttributeCommonInfo &CI); MSInheritanceAttr *mergeMSInheritanceAttr(Decl *D, const AttributeCommonInfo &CI, bool BestCase, MSInheritanceModel Model); FormatAttr *mergeFormatAttr(Decl *D, const AttributeCommonInfo &CI, IdentifierInfo *Format, int FormatIdx, int FirstArg); SectionAttr *mergeSectionAttr(Decl *D, const AttributeCommonInfo &CI, StringRef Name); CodeSegAttr *mergeCodeSegAttr(Decl *D, const AttributeCommonInfo &CI, StringRef Name); AlwaysInlineAttr *mergeAlwaysInlineAttr(Decl *D, const AttributeCommonInfo &CI, const IdentifierInfo *Ident); MinSizeAttr *mergeMinSizeAttr(Decl *D, const AttributeCommonInfo &CI); NoSpeculativeLoadHardeningAttr * mergeNoSpeculativeLoadHardeningAttr(Decl *D, const NoSpeculativeLoadHardeningAttr &AL); SpeculativeLoadHardeningAttr * mergeSpeculativeLoadHardeningAttr(Decl *D, const SpeculativeLoadHardeningAttr &AL); OptimizeNoneAttr *mergeOptimizeNoneAttr(Decl *D, const AttributeCommonInfo &CI); InternalLinkageAttr *mergeInternalLinkageAttr(Decl *D, const ParsedAttr &AL); InternalLinkageAttr *mergeInternalLinkageAttr(Decl *D, const InternalLinkageAttr &AL); CommonAttr *mergeCommonAttr(Decl *D, const ParsedAttr &AL); CommonAttr *mergeCommonAttr(Decl *D, const CommonAttr &AL); WebAssemblyImportNameAttr *mergeImportNameAttr( Decl *D, const WebAssemblyImportNameAttr &AL); WebAssemblyImportModuleAttr *mergeImportModuleAttr( Decl *D, const WebAssemblyImportModuleAttr &AL); void mergeDeclAttributes(NamedDecl *New, Decl *Old, AvailabilityMergeKind AMK = AMK_Redeclaration); void MergeTypedefNameDecl(Scope *S, TypedefNameDecl *New, LookupResult &OldDecls); bool MergeFunctionDecl(FunctionDecl *New, NamedDecl *&Old, Scope *S, bool MergeTypeWithOld); bool MergeCompatibleFunctionDecls(FunctionDecl *New, FunctionDecl *Old, Scope *S, bool MergeTypeWithOld); void mergeObjCMethodDecls(ObjCMethodDecl *New, ObjCMethodDecl *Old); void MergeVarDecl(VarDecl *New, LookupResult &Previous); void MergeVarDeclTypes(VarDecl *New, VarDecl *Old, bool MergeTypeWithOld); void MergeVarDeclExceptionSpecs(VarDecl *New, VarDecl *Old); bool checkVarDeclRedefinition(VarDecl *OldDefn, VarDecl *NewDefn); void notePreviousDefinition(const NamedDecl *Old, SourceLocation New); bool MergeCXXFunctionDecl(FunctionDecl *New, FunctionDecl *Old, Scope *S); // AssignmentAction - This is used by all the assignment diagnostic functions // to represent what is actually causing the operation enum AssignmentAction { AA_Assigning, AA_Passing, AA_Returning, AA_Converting, AA_Initializing, AA_Sending, AA_Casting, AA_Passing_CFAudited }; /// C++ Overloading. enum OverloadKind { /// This is a legitimate overload: the existing declarations are /// functions or function templates with different signatures. Ovl_Overload, /// This is not an overload because the signature exactly matches /// an existing declaration. Ovl_Match, /// This is not an overload because the lookup results contain a /// non-function. Ovl_NonFunction }; OverloadKind CheckOverload(Scope *S, FunctionDecl *New, const LookupResult &OldDecls, NamedDecl *&OldDecl, bool IsForUsingDecl); bool IsOverload(FunctionDecl *New, FunctionDecl *Old, bool IsForUsingDecl, bool ConsiderCudaAttrs = true, bool ConsiderRequiresClauses = true); enum class AllowedExplicit { /// Allow no explicit functions to be used. None, /// Allow explicit conversion functions but not explicit constructors. Conversions, /// Allow both explicit conversion functions and explicit constructors. All }; ImplicitConversionSequence TryImplicitConversion(Expr *From, QualType ToType, bool SuppressUserConversions, AllowedExplicit AllowExplicit, bool InOverloadResolution, bool CStyle, bool AllowObjCWritebackConversion); bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType); bool IsFloatingPointPromotion(QualType FromType, QualType ToType); bool IsComplexPromotion(QualType FromType, QualType ToType); bool IsPointerConversion(Expr *From, QualType FromType, QualType ToType, bool InOverloadResolution, QualType& ConvertedType, bool &IncompatibleObjC); bool isObjCPointerConversion(QualType FromType, QualType ToType, QualType& ConvertedType, bool &IncompatibleObjC); bool isObjCWritebackConversion(QualType FromType, QualType ToType, QualType &ConvertedType); bool IsBlockPointerConversion(QualType FromType, QualType ToType, QualType& ConvertedType); bool FunctionParamTypesAreEqual(const FunctionProtoType *OldType, const FunctionProtoType *NewType, unsigned *ArgPos = nullptr); void HandleFunctionTypeMismatch(PartialDiagnostic &PDiag, QualType FromType, QualType ToType); void maybeExtendBlockObject(ExprResult &E); CastKind PrepareCastToObjCObjectPointer(ExprResult &E); bool CheckPointerConversion(Expr *From, QualType ToType, CastKind &Kind, CXXCastPath& BasePath, bool IgnoreBaseAccess, bool Diagnose = true); bool IsMemberPointerConversion(Expr *From, QualType FromType, QualType ToType, bool InOverloadResolution, QualType &ConvertedType); bool CheckMemberPointerConversion(Expr *From, QualType ToType, CastKind &Kind, CXXCastPath &BasePath, bool IgnoreBaseAccess); bool IsQualificationConversion(QualType FromType, QualType ToType, bool CStyle, bool &ObjCLifetimeConversion); bool IsFunctionConversion(QualType FromType, QualType ToType, QualType &ResultTy); bool DiagnoseMultipleUserDefinedConversion(Expr *From, QualType ToType); bool isSameOrCompatibleFunctionType(CanQualType Param, CanQualType Arg); ExprResult PerformMoveOrCopyInitialization(const InitializedEntity &Entity, const VarDecl *NRVOCandidate, QualType ResultType, Expr *Value, bool AllowNRVO = true); bool CanPerformAggregateInitializationForOverloadResolution( const InitializedEntity &Entity, InitListExpr *From); bool CanPerformCopyInitialization(const InitializedEntity &Entity, ExprResult Init); ExprResult PerformCopyInitialization(const InitializedEntity &Entity, SourceLocation EqualLoc, ExprResult Init, bool TopLevelOfInitList = false, bool AllowExplicit = false); ExprResult PerformObjectArgumentInitialization(Expr *From, NestedNameSpecifier *Qualifier, NamedDecl *FoundDecl, CXXMethodDecl *Method); /// Check that the lifetime of the initializer (and its subobjects) is /// sufficient for initializing the entity, and perform lifetime extension /// (when permitted) if not. void checkInitializerLifetime(const InitializedEntity &Entity, Expr *Init); ExprResult PerformContextuallyConvertToBool(Expr *From); ExprResult PerformContextuallyConvertToObjCPointer(Expr *From); /// Contexts in which a converted constant expression is required. enum CCEKind { CCEK_CaseValue, ///< Expression in a case label. CCEK_Enumerator, ///< Enumerator value with fixed underlying type. CCEK_TemplateArg, ///< Value of a non-type template parameter. CCEK_NewExpr, ///< Constant expression in a noptr-new-declarator. CCEK_ConstexprIf, ///< Condition in a constexpr if statement. CCEK_ExplicitBool ///< Condition in an explicit(bool) specifier. }; ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, llvm::APSInt &Value, CCEKind CCE); ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, APValue &Value, CCEKind CCE); /// Abstract base class used to perform a contextual implicit /// conversion from an expression to any type passing a filter. class ContextualImplicitConverter { public: bool Suppress; bool SuppressConversion; ContextualImplicitConverter(bool Suppress = false, bool SuppressConversion = false) : Suppress(Suppress), SuppressConversion(SuppressConversion) {} /// Determine whether the specified type is a valid destination type /// for this conversion. virtual bool match(QualType T) = 0; /// Emits a diagnostic complaining that the expression does not have /// integral or enumeration type. virtual SemaDiagnosticBuilder diagnoseNoMatch(Sema &S, SourceLocation Loc, QualType T) = 0; /// Emits a diagnostic when the expression has incomplete class type. virtual SemaDiagnosticBuilder diagnoseIncomplete(Sema &S, SourceLocation Loc, QualType T) = 0; /// Emits a diagnostic when the only matching conversion function /// is explicit. virtual SemaDiagnosticBuilder diagnoseExplicitConv( Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) = 0; /// Emits a note for the explicit conversion function. virtual SemaDiagnosticBuilder noteExplicitConv(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) = 0; /// Emits a diagnostic when there are multiple possible conversion /// functions. virtual SemaDiagnosticBuilder diagnoseAmbiguous(Sema &S, SourceLocation Loc, QualType T) = 0; /// Emits a note for one of the candidate conversions. virtual SemaDiagnosticBuilder noteAmbiguous(Sema &S, CXXConversionDecl *Conv, QualType ConvTy) = 0; /// Emits a diagnostic when we picked a conversion function /// (for cases when we are not allowed to pick a conversion function). virtual SemaDiagnosticBuilder diagnoseConversion( Sema &S, SourceLocation Loc, QualType T, QualType ConvTy) = 0; virtual ~ContextualImplicitConverter() {} }; class ICEConvertDiagnoser : public ContextualImplicitConverter { bool AllowScopedEnumerations; public: ICEConvertDiagnoser(bool AllowScopedEnumerations, bool Suppress, bool SuppressConversion) : ContextualImplicitConverter(Suppress, SuppressConversion), AllowScopedEnumerations(AllowScopedEnumerations) {} /// Match an integral or (possibly scoped) enumeration type. bool match(QualType T) override; SemaDiagnosticBuilder diagnoseNoMatch(Sema &S, SourceLocation Loc, QualType T) override { return diagnoseNotInt(S, Loc, T); } /// Emits a diagnostic complaining that the expression does not have /// integral or enumeration type. virtual SemaDiagnosticBuilder diagnoseNotInt(Sema &S, SourceLocation Loc, QualType T) = 0; }; /// Perform a contextual implicit conversion. ExprResult PerformContextualImplicitConversion( SourceLocation Loc, Expr *FromE, ContextualImplicitConverter &Converter); enum ObjCSubscriptKind { OS_Array, OS_Dictionary, OS_Error }; ObjCSubscriptKind CheckSubscriptingKind(Expr *FromE); // Note that LK_String is intentionally after the other literals, as // this is used for diagnostics logic. enum ObjCLiteralKind { LK_Array, LK_Dictionary, LK_Numeric, LK_Boxed, LK_String, LK_Block, LK_None }; ObjCLiteralKind CheckLiteralKind(Expr *FromE); ExprResult PerformObjectMemberConversion(Expr *From, NestedNameSpecifier *Qualifier, NamedDecl *FoundDecl, NamedDecl *Member); // Members have to be NamespaceDecl* or TranslationUnitDecl*. // TODO: make this is a typesafe union. typedef llvm::SmallSetVector AssociatedNamespaceSet; typedef llvm::SmallSetVector AssociatedClassSet; using ADLCallKind = CallExpr::ADLCallKind; void AddOverloadCandidate(FunctionDecl *Function, DeclAccessPair FoundDecl, ArrayRef Args, OverloadCandidateSet &CandidateSet, bool SuppressUserConversions = false, bool PartialOverloading = false, bool AllowExplicit = true, bool AllowExplicitConversion = false, ADLCallKind IsADLCandidate = ADLCallKind::NotADL, ConversionSequenceList EarlyConversions = None, OverloadCandidateParamOrder PO = {}); void AddFunctionCandidates(const UnresolvedSetImpl &Functions, ArrayRef Args, OverloadCandidateSet &CandidateSet, TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr, bool SuppressUserConversions = false, bool PartialOverloading = false, bool FirstArgumentIsBase = false); void AddMethodCandidate(DeclAccessPair FoundDecl, QualType ObjectType, Expr::Classification ObjectClassification, ArrayRef Args, OverloadCandidateSet& CandidateSet, bool SuppressUserConversion = false, OverloadCandidateParamOrder PO = {}); void AddMethodCandidate(CXXMethodDecl *Method, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, QualType ObjectType, Expr::Classification ObjectClassification, ArrayRef Args, OverloadCandidateSet& CandidateSet, bool SuppressUserConversions = false, bool PartialOverloading = false, ConversionSequenceList EarlyConversions = None, OverloadCandidateParamOrder PO = {}); void AddMethodTemplateCandidate(FunctionTemplateDecl *MethodTmpl, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, TemplateArgumentListInfo *ExplicitTemplateArgs, QualType ObjectType, Expr::Classification ObjectClassification, ArrayRef Args, OverloadCandidateSet& CandidateSet, bool SuppressUserConversions = false, bool PartialOverloading = false, OverloadCandidateParamOrder PO = {}); void AddTemplateOverloadCandidate( FunctionTemplateDecl *FunctionTemplate, DeclAccessPair FoundDecl, TemplateArgumentListInfo *ExplicitTemplateArgs, ArrayRef Args, OverloadCandidateSet &CandidateSet, bool SuppressUserConversions = false, bool PartialOverloading = false, bool AllowExplicit = true, ADLCallKind IsADLCandidate = ADLCallKind::NotADL, OverloadCandidateParamOrder PO = {}); bool CheckNonDependentConversions( FunctionTemplateDecl *FunctionTemplate, ArrayRef ParamTypes, ArrayRef Args, OverloadCandidateSet &CandidateSet, ConversionSequenceList &Conversions, bool SuppressUserConversions, CXXRecordDecl *ActingContext = nullptr, QualType ObjectType = QualType(), Expr::Classification ObjectClassification = {}, OverloadCandidateParamOrder PO = {}); void AddConversionCandidate( CXXConversionDecl *Conversion, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, Expr *From, QualType ToType, OverloadCandidateSet &CandidateSet, bool AllowObjCConversionOnExplicit, bool AllowExplicit, bool AllowResultConversion = true); void AddTemplateConversionCandidate( FunctionTemplateDecl *FunctionTemplate, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, Expr *From, QualType ToType, OverloadCandidateSet &CandidateSet, bool AllowObjCConversionOnExplicit, bool AllowExplicit, bool AllowResultConversion = true); void AddSurrogateCandidate(CXXConversionDecl *Conversion, DeclAccessPair FoundDecl, CXXRecordDecl *ActingContext, const FunctionProtoType *Proto, Expr *Object, ArrayRef Args, OverloadCandidateSet& CandidateSet); void AddNonMemberOperatorCandidates( const UnresolvedSetImpl &Functions, ArrayRef Args, OverloadCandidateSet &CandidateSet, TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr); void AddMemberOperatorCandidates(OverloadedOperatorKind Op, SourceLocation OpLoc, ArrayRef Args, OverloadCandidateSet &CandidateSet, OverloadCandidateParamOrder PO = {}); void AddBuiltinCandidate(QualType *ParamTys, ArrayRef Args, OverloadCandidateSet& CandidateSet, bool IsAssignmentOperator = false, unsigned NumContextualBoolArguments = 0); void AddBuiltinOperatorCandidates(OverloadedOperatorKind Op, SourceLocation OpLoc, ArrayRef Args, OverloadCandidateSet& CandidateSet); void AddArgumentDependentLookupCandidates(DeclarationName Name, SourceLocation Loc, ArrayRef Args, TemplateArgumentListInfo *ExplicitTemplateArgs, OverloadCandidateSet& CandidateSet, bool PartialOverloading = false); // Emit as a 'note' the specific overload candidate void NoteOverloadCandidate( NamedDecl *Found, FunctionDecl *Fn, OverloadCandidateRewriteKind RewriteKind = OverloadCandidateRewriteKind(), QualType DestType = QualType(), bool TakingAddress = false); // Emit as a series of 'note's all template and non-templates identified by // the expression Expr void NoteAllOverloadCandidates(Expr *E, QualType DestType = QualType(), bool TakingAddress = false); /// Check the enable_if expressions on the given function. Returns the first /// failing attribute, or NULL if they were all successful. EnableIfAttr *CheckEnableIf(FunctionDecl *Function, SourceLocation CallLoc, ArrayRef Args, bool MissingImplicitThis = false); /// Find the failed Boolean condition within a given Boolean /// constant expression, and describe it with a string. std::pair findFailedBooleanCondition(Expr *Cond); /// Emit diagnostics for the diagnose_if attributes on Function, ignoring any /// non-ArgDependent DiagnoseIfAttrs. /// /// Argument-dependent diagnose_if attributes should be checked each time a /// function is used as a direct callee of a function call. /// /// Returns true if any errors were emitted. bool diagnoseArgDependentDiagnoseIfAttrs(const FunctionDecl *Function, const Expr *ThisArg, ArrayRef Args, SourceLocation Loc); /// Emit diagnostics for the diagnose_if attributes on Function, ignoring any /// ArgDependent DiagnoseIfAttrs. /// /// Argument-independent diagnose_if attributes should be checked on every use /// of a function. /// /// Returns true if any errors were emitted. bool diagnoseArgIndependentDiagnoseIfAttrs(const NamedDecl *ND, SourceLocation Loc); /// Returns whether the given function's address can be taken or not, /// optionally emitting a diagnostic if the address can't be taken. /// /// Returns false if taking the address of the function is illegal. bool checkAddressOfFunctionIsAvailable(const FunctionDecl *Function, bool Complain = false, SourceLocation Loc = SourceLocation()); // [PossiblyAFunctionType] --> [Return] // NonFunctionType --> NonFunctionType // R (A) --> R(A) // R (*)(A) --> R (A) // R (&)(A) --> R (A) // R (S::*)(A) --> R (A) QualType ExtractUnqualifiedFunctionType(QualType PossiblyAFunctionType); FunctionDecl * ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, QualType TargetType, bool Complain, DeclAccessPair &Found, bool *pHadMultipleCandidates = nullptr); FunctionDecl * resolveAddressOfSingleOverloadCandidate(Expr *E, DeclAccessPair &FoundResult); bool resolveAndFixAddressOfSingleOverloadCandidate( ExprResult &SrcExpr, bool DoFunctionPointerConversion = false); FunctionDecl * ResolveSingleFunctionTemplateSpecialization(OverloadExpr *ovl, bool Complain = false, DeclAccessPair *Found = nullptr); bool ResolveAndFixSingleFunctionTemplateSpecialization( ExprResult &SrcExpr, bool DoFunctionPointerConverion = false, bool Complain = false, SourceRange OpRangeForComplaining = SourceRange(), QualType DestTypeForComplaining = QualType(), unsigned DiagIDForComplaining = 0); Expr *FixOverloadedFunctionReference(Expr *E, DeclAccessPair FoundDecl, FunctionDecl *Fn); ExprResult FixOverloadedFunctionReference(ExprResult, DeclAccessPair FoundDecl, FunctionDecl *Fn); void AddOverloadedCallCandidates(UnresolvedLookupExpr *ULE, ArrayRef Args, OverloadCandidateSet &CandidateSet, bool PartialOverloading = false); // An enum used to represent the different possible results of building a // range-based for loop. enum ForRangeStatus { FRS_Success, FRS_NoViableFunction, FRS_DiagnosticIssued }; ForRangeStatus BuildForRangeBeginEndCall(SourceLocation Loc, SourceLocation RangeLoc, const DeclarationNameInfo &NameInfo, LookupResult &MemberLookup, OverloadCandidateSet *CandidateSet, Expr *Range, ExprResult *CallExpr); ExprResult BuildOverloadedCallExpr(Scope *S, Expr *Fn, UnresolvedLookupExpr *ULE, SourceLocation LParenLoc, MultiExprArg Args, SourceLocation RParenLoc, Expr *ExecConfig, bool AllowTypoCorrection=true, bool CalleesAddressIsTaken=false); bool buildOverloadedCallSet(Scope *S, Expr *Fn, UnresolvedLookupExpr *ULE, MultiExprArg Args, SourceLocation RParenLoc, OverloadCandidateSet *CandidateSet, ExprResult *Result); ExprResult CreateOverloadedUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, const UnresolvedSetImpl &Fns, Expr *input, bool RequiresADL = true); void LookupOverloadedBinOp(OverloadCandidateSet &CandidateSet, OverloadedOperatorKind Op, const UnresolvedSetImpl &Fns, ArrayRef Args, bool RequiresADL = true); ExprResult CreateOverloadedBinOp(SourceLocation OpLoc, BinaryOperatorKind Opc, const UnresolvedSetImpl &Fns, Expr *LHS, Expr *RHS, bool RequiresADL = true, bool AllowRewrittenCandidates = true, FunctionDecl *DefaultedFn = nullptr); ExprResult BuildSynthesizedThreeWayComparison(SourceLocation OpLoc, const UnresolvedSetImpl &Fns, Expr *LHS, Expr *RHS, FunctionDecl *DefaultedFn); ExprResult CreateOverloadedArraySubscriptExpr(SourceLocation LLoc, SourceLocation RLoc, Expr *Base,Expr *Idx); ExprResult BuildCallToMemberFunction(Scope *S, Expr *MemExpr, SourceLocation LParenLoc, MultiExprArg Args, SourceLocation RParenLoc); ExprResult BuildCallToObjectOfClassType(Scope *S, Expr *Object, SourceLocation LParenLoc, MultiExprArg Args, SourceLocation RParenLoc); ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, SourceLocation OpLoc, bool *NoArrowOperatorFound = nullptr); /// CheckCallReturnType - Checks that a call expression's return type is /// complete. Returns true on failure. The location passed in is the location /// that best represents the call. bool CheckCallReturnType(QualType ReturnType, SourceLocation Loc, CallExpr *CE, FunctionDecl *FD); /// Helpers for dealing with blocks and functions. bool CheckParmsForFunctionDef(ArrayRef Parameters, bool CheckParameterNames); void CheckCXXDefaultArguments(FunctionDecl *FD); void CheckExtraCXXDefaultArguments(Declarator &D); Scope *getNonFieldDeclScope(Scope *S); /// \name Name lookup /// /// These routines provide name lookup that is used during semantic /// analysis to resolve the various kinds of names (identifiers, /// overloaded operator names, constructor names, etc.) into zero or /// more declarations within a particular scope. The major entry /// points are LookupName, which performs unqualified name lookup, /// and LookupQualifiedName, which performs qualified name lookup. /// /// All name lookup is performed based on some specific criteria, /// which specify what names will be visible to name lookup and how /// far name lookup should work. These criteria are important both /// for capturing language semantics (certain lookups will ignore /// certain names, for example) and for performance, since name /// lookup is often a bottleneck in the compilation of C++. Name /// lookup criteria is specified via the LookupCriteria enumeration. /// /// The results of name lookup can vary based on the kind of name /// lookup performed, the current language, and the translation /// unit. In C, for example, name lookup will either return nothing /// (no entity found) or a single declaration. In C++, name lookup /// can additionally refer to a set of overloaded functions or /// result in an ambiguity. All of the possible results of name /// lookup are captured by the LookupResult class, which provides /// the ability to distinguish among them. //@{ /// Describes the kind of name lookup to perform. enum LookupNameKind { /// Ordinary name lookup, which finds ordinary names (functions, /// variables, typedefs, etc.) in C and most kinds of names /// (functions, variables, members, types, etc.) in C++. LookupOrdinaryName = 0, /// Tag name lookup, which finds the names of enums, classes, /// structs, and unions. LookupTagName, /// Label name lookup. LookupLabel, /// Member name lookup, which finds the names of /// class/struct/union members. LookupMemberName, /// Look up of an operator name (e.g., operator+) for use with /// operator overloading. This lookup is similar to ordinary name /// lookup, but will ignore any declarations that are class members. LookupOperatorName, /// Look up a name following ~ in a destructor name. This is an ordinary /// lookup, but prefers tags to typedefs. LookupDestructorName, /// Look up of a name that precedes the '::' scope resolution /// operator in C++. This lookup completely ignores operator, object, /// function, and enumerator names (C++ [basic.lookup.qual]p1). LookupNestedNameSpecifierName, /// Look up a namespace name within a C++ using directive or /// namespace alias definition, ignoring non-namespace names (C++ /// [basic.lookup.udir]p1). LookupNamespaceName, /// Look up all declarations in a scope with the given name, /// including resolved using declarations. This is appropriate /// for checking redeclarations for a using declaration. LookupUsingDeclName, /// Look up an ordinary name that is going to be redeclared as a /// name with linkage. This lookup ignores any declarations that /// are outside of the current scope unless they have linkage. See /// C99 6.2.2p4-5 and C++ [basic.link]p6. LookupRedeclarationWithLinkage, /// Look up a friend of a local class. This lookup does not look /// outside the innermost non-class scope. See C++11 [class.friend]p11. LookupLocalFriendName, /// Look up the name of an Objective-C protocol. LookupObjCProtocolName, /// Look up implicit 'self' parameter of an objective-c method. LookupObjCImplicitSelfParam, /// Look up the name of an OpenMP user-defined reduction operation. LookupOMPReductionName, /// Look up the name of an OpenMP user-defined mapper. LookupOMPMapperName, /// Look up any declaration with any name. LookupAnyName }; /// Specifies whether (or how) name lookup is being performed for a /// redeclaration (vs. a reference). enum RedeclarationKind { /// The lookup is a reference to this name that is not for the /// purpose of redeclaring the name. NotForRedeclaration = 0, /// The lookup results will be used for redeclaration of a name, /// if an entity by that name already exists and is visible. ForVisibleRedeclaration, /// The lookup results will be used for redeclaration of a name /// with external linkage; non-visible lookup results with external linkage /// may also be found. ForExternalRedeclaration }; RedeclarationKind forRedeclarationInCurContext() { // A declaration with an owning module for linkage can never link against // anything that is not visible. We don't need to check linkage here; if // the context has internal linkage, redeclaration lookup won't find things // from other TUs, and we can't safely compute linkage yet in general. if (cast(CurContext) ->getOwningModuleForLinkage(/*IgnoreLinkage*/true)) return ForVisibleRedeclaration; return ForExternalRedeclaration; } /// The possible outcomes of name lookup for a literal operator. enum LiteralOperatorLookupResult { /// The lookup resulted in an error. LOLR_Error, /// The lookup found no match but no diagnostic was issued. LOLR_ErrorNoDiagnostic, /// The lookup found a single 'cooked' literal operator, which /// expects a normal literal to be built and passed to it. LOLR_Cooked, /// The lookup found a single 'raw' literal operator, which expects /// a string literal containing the spelling of the literal token. LOLR_Raw, /// The lookup found an overload set of literal operator templates, /// which expect the characters of the spelling of the literal token to be /// passed as a non-type template argument pack. LOLR_Template, /// The lookup found an overload set of literal operator templates, /// which expect the character type and characters of the spelling of the /// string literal token to be passed as template arguments. LOLR_StringTemplate }; SpecialMemberOverloadResult LookupSpecialMember(CXXRecordDecl *D, CXXSpecialMember SM, bool ConstArg, bool VolatileArg, bool RValueThis, bool ConstThis, bool VolatileThis); typedef std::function TypoDiagnosticGenerator; typedef std::function TypoRecoveryCallback; private: bool CppLookupName(LookupResult &R, Scope *S); struct TypoExprState { std::unique_ptr Consumer; TypoDiagnosticGenerator DiagHandler; TypoRecoveryCallback RecoveryHandler; TypoExprState(); TypoExprState(TypoExprState &&other) noexcept; TypoExprState &operator=(TypoExprState &&other) noexcept; }; /// The set of unhandled TypoExprs and their associated state. llvm::MapVector DelayedTypos; /// Creates a new TypoExpr AST node. TypoExpr *createDelayedTypo(std::unique_ptr TCC, TypoDiagnosticGenerator TDG, TypoRecoveryCallback TRC, SourceLocation TypoLoc); // The set of known/encountered (unique, canonicalized) NamespaceDecls. // // The boolean value will be true to indicate that the namespace was loaded // from an AST/PCH file, or false otherwise. llvm::MapVector KnownNamespaces; /// Whether we have already loaded known namespaces from an extenal /// source. bool LoadedExternalKnownNamespaces; /// Helper for CorrectTypo and CorrectTypoDelayed used to create and /// populate a new TypoCorrectionConsumer. Returns nullptr if typo correction /// should be skipped entirely. std::unique_ptr makeTypoCorrectionConsumer(const DeclarationNameInfo &Typo, Sema::LookupNameKind LookupKind, Scope *S, CXXScopeSpec *SS, CorrectionCandidateCallback &CCC, DeclContext *MemberContext, bool EnteringContext, const ObjCObjectPointerType *OPT, bool ErrorRecovery); public: const TypoExprState &getTypoExprState(TypoExpr *TE) const; /// Clears the state of the given TypoExpr. void clearDelayedTypo(TypoExpr *TE); /// Look up a name, looking for a single declaration. Return /// null if the results were absent, ambiguous, or overloaded. /// /// It is preferable to use the elaborated form and explicitly handle /// ambiguity and overloaded. NamedDecl *LookupSingleName(Scope *S, DeclarationName Name, SourceLocation Loc, LookupNameKind NameKind, RedeclarationKind Redecl = NotForRedeclaration); bool LookupBuiltin(LookupResult &R); bool LookupName(LookupResult &R, Scope *S, bool AllowBuiltinCreation = false); bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, bool InUnqualifiedLookup = false); bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, CXXScopeSpec &SS); bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, bool AllowBuiltinCreation = false, bool EnteringContext = false); ObjCProtocolDecl *LookupProtocol(IdentifierInfo *II, SourceLocation IdLoc, RedeclarationKind Redecl = NotForRedeclaration); bool LookupInSuper(LookupResult &R, CXXRecordDecl *Class); void LookupOverloadedOperatorName(OverloadedOperatorKind Op, Scope *S, QualType T1, QualType T2, UnresolvedSetImpl &Functions); LabelDecl *LookupOrCreateLabel(IdentifierInfo *II, SourceLocation IdentLoc, SourceLocation GnuLabelLoc = SourceLocation()); DeclContextLookupResult LookupConstructors(CXXRecordDecl *Class); CXXConstructorDecl *LookupDefaultConstructor(CXXRecordDecl *Class); CXXConstructorDecl *LookupCopyingConstructor(CXXRecordDecl *Class, unsigned Quals); CXXMethodDecl *LookupCopyingAssignment(CXXRecordDecl *Class, unsigned Quals, bool RValueThis, unsigned ThisQuals); CXXConstructorDecl *LookupMovingConstructor(CXXRecordDecl *Class, unsigned Quals); CXXMethodDecl *LookupMovingAssignment(CXXRecordDecl *Class, unsigned Quals, bool RValueThis, unsigned ThisQuals); CXXDestructorDecl *LookupDestructor(CXXRecordDecl *Class); bool checkLiteralOperatorId(const CXXScopeSpec &SS, const UnqualifiedId &Id); LiteralOperatorLookupResult LookupLiteralOperator(Scope *S, LookupResult &R, ArrayRef ArgTys, bool AllowRaw, bool AllowTemplate, bool AllowStringTemplate, bool DiagnoseMissing); bool isKnownName(StringRef name); /// Status of the function emission on the CUDA/HIP/OpenMP host/device attrs. enum class FunctionEmissionStatus { Emitted, CUDADiscarded, // Discarded due to CUDA/HIP hostness OMPDiscarded, // Discarded due to OpenMP hostness TemplateDiscarded, // Discarded due to uninstantiated templates Unknown, }; FunctionEmissionStatus getEmissionStatus(FunctionDecl *Decl, bool Final = false); // Whether the callee should be ignored in CUDA/HIP/OpenMP host/device check. bool shouldIgnoreInHostDeviceCheck(FunctionDecl *Callee); void ArgumentDependentLookup(DeclarationName Name, SourceLocation Loc, ArrayRef Args, ADLResult &Functions); void LookupVisibleDecls(Scope *S, LookupNameKind Kind, VisibleDeclConsumer &Consumer, bool IncludeGlobalScope = true, bool LoadExternal = true); void LookupVisibleDecls(DeclContext *Ctx, LookupNameKind Kind, VisibleDeclConsumer &Consumer, bool IncludeGlobalScope = true, bool IncludeDependentBases = false, bool LoadExternal = true); enum CorrectTypoKind { CTK_NonError, // CorrectTypo used in a non error recovery situation. CTK_ErrorRecovery // CorrectTypo used in normal error recovery. }; TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo, Sema::LookupNameKind LookupKind, Scope *S, CXXScopeSpec *SS, CorrectionCandidateCallback &CCC, CorrectTypoKind Mode, DeclContext *MemberContext = nullptr, bool EnteringContext = false, const ObjCObjectPointerType *OPT = nullptr, bool RecordFailure = true); TypoExpr *CorrectTypoDelayed(const DeclarationNameInfo &Typo, Sema::LookupNameKind LookupKind, Scope *S, CXXScopeSpec *SS, CorrectionCandidateCallback &CCC, TypoDiagnosticGenerator TDG, TypoRecoveryCallback TRC, CorrectTypoKind Mode, DeclContext *MemberContext = nullptr, bool EnteringContext = false, const ObjCObjectPointerType *OPT = nullptr); /// Process any TypoExprs in the given Expr and its children, /// generating diagnostics as appropriate and returning a new Expr if there /// were typos that were all successfully corrected and ExprError if one or /// more typos could not be corrected. /// /// \param E The Expr to check for TypoExprs. /// /// \param InitDecl A VarDecl to avoid because the Expr being corrected is its /// initializer. /// /// \param RecoverUncorrectedTypos If true, when typo correction fails, it /// will rebuild the given Expr with all TypoExprs degraded to RecoveryExprs. /// /// \param Filter A function applied to a newly rebuilt Expr to determine if /// it is an acceptable/usable result from a single combination of typo /// corrections. As long as the filter returns ExprError, different /// combinations of corrections will be tried until all are exhausted. ExprResult CorrectDelayedTyposInExpr( Expr *E, VarDecl *InitDecl = nullptr, bool RecoverUncorrectedTypos = false, llvm::function_ref Filter = [](Expr *E) -> ExprResult { return E; }); ExprResult CorrectDelayedTyposInExpr( ExprResult ER, VarDecl *InitDecl = nullptr, bool RecoverUncorrectedTypos = false, llvm::function_ref Filter = [](Expr *E) -> ExprResult { return E; }) { return ER.isInvalid() ? ER : CorrectDelayedTyposInExpr(ER.get(), InitDecl, RecoverUncorrectedTypos, Filter); } void diagnoseTypo(const TypoCorrection &Correction, const PartialDiagnostic &TypoDiag, bool ErrorRecovery = true); void diagnoseTypo(const TypoCorrection &Correction, const PartialDiagnostic &TypoDiag, const PartialDiagnostic &PrevNote, bool ErrorRecovery = true); void MarkTypoCorrectedFunctionDefinition(const NamedDecl *F); void FindAssociatedClassesAndNamespaces(SourceLocation InstantiationLoc, ArrayRef Args, AssociatedNamespaceSet &AssociatedNamespaces, AssociatedClassSet &AssociatedClasses); void FilterLookupForScope(LookupResult &R, DeclContext *Ctx, Scope *S, bool ConsiderLinkage, bool AllowInlineNamespace); bool CheckRedeclarationModuleOwnership(NamedDecl *New, NamedDecl *Old); void DiagnoseAmbiguousLookup(LookupResult &Result); //@} /// Attempts to produce a RecoveryExpr after some AST node cannot be created. ExprResult CreateRecoveryExpr(SourceLocation Begin, SourceLocation End, ArrayRef SubExprs, QualType T = QualType()); ObjCInterfaceDecl *getObjCInterfaceDecl(IdentifierInfo *&Id, SourceLocation IdLoc, bool TypoCorrection = false); NamedDecl *LazilyCreateBuiltin(IdentifierInfo *II, unsigned ID, Scope *S, bool ForRedeclaration, SourceLocation Loc); NamedDecl *ImplicitlyDefineFunction(SourceLocation Loc, IdentifierInfo &II, Scope *S); void AddKnownFunctionAttributesForReplaceableGlobalAllocationFunction( FunctionDecl *FD); void AddKnownFunctionAttributes(FunctionDecl *FD); // More parsing and symbol table subroutines. void ProcessPragmaWeak(Scope *S, Decl *D); // Decl attributes - this routine is the top level dispatcher. void ProcessDeclAttributes(Scope *S, Decl *D, const Declarator &PD); // Helper for delayed processing of attributes. void ProcessDeclAttributeDelayed(Decl *D, const ParsedAttributesView &AttrList); void ProcessDeclAttributeList(Scope *S, Decl *D, const ParsedAttributesView &AL, bool IncludeCXX11Attributes = true); bool ProcessAccessDeclAttributeList(AccessSpecDecl *ASDecl, const ParsedAttributesView &AttrList); void checkUnusedDeclAttributes(Declarator &D); /// Determine if type T is a valid subject for a nonnull and similar /// attributes. By default, we look through references (the behavior used by /// nonnull), but if the second parameter is true, then we treat a reference /// type as valid. bool isValidPointerAttrType(QualType T, bool RefOkay = false); bool CheckRegparmAttr(const ParsedAttr &attr, unsigned &value); bool CheckCallingConvAttr(const ParsedAttr &attr, CallingConv &CC, const FunctionDecl *FD = nullptr); bool CheckAttrTarget(const ParsedAttr &CurrAttr); bool CheckAttrNoArgs(const ParsedAttr &CurrAttr); bool checkStringLiteralArgumentAttr(const ParsedAttr &Attr, unsigned ArgNum, StringRef &Str, SourceLocation *ArgLocation = nullptr); bool checkSectionName(SourceLocation LiteralLoc, StringRef Str); bool checkTargetAttr(SourceLocation LiteralLoc, StringRef Str); bool checkMSInheritanceAttrOnDefinition( CXXRecordDecl *RD, SourceRange Range, bool BestCase, MSInheritanceModel SemanticSpelling); void CheckAlignasUnderalignment(Decl *D); /// Adjust the calling convention of a method to be the ABI default if it /// wasn't specified explicitly. This handles method types formed from /// function type typedefs and typename template arguments. void adjustMemberFunctionCC(QualType &T, bool IsStatic, bool IsCtorOrDtor, SourceLocation Loc); // Check if there is an explicit attribute, but only look through parens. // The intent is to look for an attribute on the current declarator, but not // one that came from a typedef. bool hasExplicitCallingConv(QualType T); /// Get the outermost AttributedType node that sets a calling convention. /// Valid types should not have multiple attributes with different CCs. const AttributedType *getCallingConvAttributedType(QualType T) const; /// Stmt attributes - this routine is the top level dispatcher. StmtResult ProcessStmtAttributes(Stmt *Stmt, const ParsedAttributesView &Attrs, SourceRange Range); void WarnConflictingTypedMethods(ObjCMethodDecl *Method, ObjCMethodDecl *MethodDecl, bool IsProtocolMethodDecl); void CheckConflictingOverridingMethod(ObjCMethodDecl *Method, ObjCMethodDecl *Overridden, bool IsProtocolMethodDecl); /// WarnExactTypedMethods - This routine issues a warning if method /// implementation declaration matches exactly that of its declaration. void WarnExactTypedMethods(ObjCMethodDecl *Method, ObjCMethodDecl *MethodDecl, bool IsProtocolMethodDecl); typedef llvm::SmallPtrSet SelectorSet; /// CheckImplementationIvars - This routine checks if the instance variables /// listed in the implelementation match those listed in the interface. void CheckImplementationIvars(ObjCImplementationDecl *ImpDecl, ObjCIvarDecl **Fields, unsigned nIvars, SourceLocation Loc); /// ImplMethodsVsClassMethods - This is main routine to warn if any method /// remains unimplemented in the class or category \@implementation. void ImplMethodsVsClassMethods(Scope *S, ObjCImplDecl* IMPDecl, ObjCContainerDecl* IDecl, bool IncompleteImpl = false); /// DiagnoseUnimplementedProperties - This routine warns on those properties /// which must be implemented by this implementation. void DiagnoseUnimplementedProperties(Scope *S, ObjCImplDecl* IMPDecl, ObjCContainerDecl *CDecl, bool SynthesizeProperties); /// Diagnose any null-resettable synthesized setters. void diagnoseNullResettableSynthesizedSetters(const ObjCImplDecl *impDecl); /// DefaultSynthesizeProperties - This routine default synthesizes all /// properties which must be synthesized in the class's \@implementation. void DefaultSynthesizeProperties(Scope *S, ObjCImplDecl *IMPDecl, ObjCInterfaceDecl *IDecl, SourceLocation AtEnd); void DefaultSynthesizeProperties(Scope *S, Decl *D, SourceLocation AtEnd); /// IvarBacksCurrentMethodAccessor - This routine returns 'true' if 'IV' is /// an ivar synthesized for 'Method' and 'Method' is a property accessor /// declared in class 'IFace'. bool IvarBacksCurrentMethodAccessor(ObjCInterfaceDecl *IFace, ObjCMethodDecl *Method, ObjCIvarDecl *IV); /// DiagnoseUnusedBackingIvarInAccessor - Issue an 'unused' warning if ivar which /// backs the property is not used in the property's accessor. void DiagnoseUnusedBackingIvarInAccessor(Scope *S, const ObjCImplementationDecl *ImplD); /// GetIvarBackingPropertyAccessor - If method is a property setter/getter and /// it property has a backing ivar, returns this ivar; otherwise, returns NULL. /// It also returns ivar's property on success. ObjCIvarDecl *GetIvarBackingPropertyAccessor(const ObjCMethodDecl *Method, const ObjCPropertyDecl *&PDecl) const; /// Called by ActOnProperty to handle \@property declarations in /// class extensions. ObjCPropertyDecl *HandlePropertyInClassExtension(Scope *S, SourceLocation AtLoc, SourceLocation LParenLoc, FieldDeclarator &FD, Selector GetterSel, SourceLocation GetterNameLoc, Selector SetterSel, SourceLocation SetterNameLoc, const bool isReadWrite, unsigned &Attributes, const unsigned AttributesAsWritten, QualType T, TypeSourceInfo *TSI, tok::ObjCKeywordKind MethodImplKind); /// Called by ActOnProperty and HandlePropertyInClassExtension to /// handle creating the ObjcPropertyDecl for a category or \@interface. ObjCPropertyDecl *CreatePropertyDecl(Scope *S, ObjCContainerDecl *CDecl, SourceLocation AtLoc, SourceLocation LParenLoc, FieldDeclarator &FD, Selector GetterSel, SourceLocation GetterNameLoc, Selector SetterSel, SourceLocation SetterNameLoc, const bool isReadWrite, const unsigned Attributes, const unsigned AttributesAsWritten, QualType T, TypeSourceInfo *TSI, tok::ObjCKeywordKind MethodImplKind, DeclContext *lexicalDC = nullptr); /// AtomicPropertySetterGetterRules - This routine enforces the rule (via /// warning) when atomic property has one but not the other user-declared /// setter or getter. void AtomicPropertySetterGetterRules(ObjCImplDecl* IMPDecl, ObjCInterfaceDecl* IDecl); void DiagnoseOwningPropertyGetterSynthesis(const ObjCImplementationDecl *D); void DiagnoseMissingDesignatedInitOverrides( const ObjCImplementationDecl *ImplD, const ObjCInterfaceDecl *IFD); void DiagnoseDuplicateIvars(ObjCInterfaceDecl *ID, ObjCInterfaceDecl *SID); enum MethodMatchStrategy { MMS_loose, MMS_strict }; /// MatchTwoMethodDeclarations - Checks if two methods' type match and returns /// true, or false, accordingly. bool MatchTwoMethodDeclarations(const ObjCMethodDecl *Method, const ObjCMethodDecl *PrevMethod, MethodMatchStrategy strategy = MMS_strict); /// MatchAllMethodDeclarations - Check methods declaraed in interface or /// or protocol against those declared in their implementations. void MatchAllMethodDeclarations(const SelectorSet &InsMap, const SelectorSet &ClsMap, SelectorSet &InsMapSeen, SelectorSet &ClsMapSeen, ObjCImplDecl* IMPDecl, ObjCContainerDecl* IDecl, bool &IncompleteImpl, bool ImmediateClass, bool WarnCategoryMethodImpl=false); /// CheckCategoryVsClassMethodMatches - Checks that methods implemented in /// category matches with those implemented in its primary class and /// warns each time an exact match is found. void CheckCategoryVsClassMethodMatches(ObjCCategoryImplDecl *CatIMP); /// Add the given method to the list of globally-known methods. void addMethodToGlobalList(ObjCMethodList *List, ObjCMethodDecl *Method); /// Returns default addr space for method qualifiers. LangAS getDefaultCXXMethodAddrSpace() const; private: /// AddMethodToGlobalPool - Add an instance or factory method to the global /// pool. See descriptoin of AddInstanceMethodToGlobalPool. void AddMethodToGlobalPool(ObjCMethodDecl *Method, bool impl, bool instance); /// LookupMethodInGlobalPool - Returns the instance or factory method and /// optionally warns if there are multiple signatures. ObjCMethodDecl *LookupMethodInGlobalPool(Selector Sel, SourceRange R, bool receiverIdOrClass, bool instance); public: /// - Returns instance or factory methods in global method pool for /// given selector. It checks the desired kind first, if none is found, and /// parameter checkTheOther is set, it then checks the other kind. If no such /// method or only one method is found, function returns false; otherwise, it /// returns true. bool CollectMultipleMethodsInGlobalPool(Selector Sel, SmallVectorImpl& Methods, bool InstanceFirst, bool CheckTheOther, const ObjCObjectType *TypeBound = nullptr); bool AreMultipleMethodsInGlobalPool(Selector Sel, ObjCMethodDecl *BestMethod, SourceRange R, bool receiverIdOrClass, SmallVectorImpl& Methods); void DiagnoseMultipleMethodInGlobalPool(SmallVectorImpl &Methods, Selector Sel, SourceRange R, bool receiverIdOrClass); private: /// - Returns a selector which best matches given argument list or /// nullptr if none could be found ObjCMethodDecl *SelectBestMethod(Selector Sel, MultiExprArg Args, bool IsInstance, SmallVectorImpl& Methods); /// Record the typo correction failure and return an empty correction. TypoCorrection FailedCorrection(IdentifierInfo *Typo, SourceLocation TypoLoc, bool RecordFailure = true) { if (RecordFailure) TypoCorrectionFailures[Typo].insert(TypoLoc); return TypoCorrection(); } public: /// AddInstanceMethodToGlobalPool - All instance methods in a translation /// unit are added to a global pool. This allows us to efficiently associate /// a selector with a method declaraation for purposes of typechecking /// messages sent to "id" (where the class of the object is unknown). void AddInstanceMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { AddMethodToGlobalPool(Method, impl, /*instance*/true); } /// AddFactoryMethodToGlobalPool - Same as above, but for factory methods. void AddFactoryMethodToGlobalPool(ObjCMethodDecl *Method, bool impl=false) { AddMethodToGlobalPool(Method, impl, /*instance*/false); } /// AddAnyMethodToGlobalPool - Add any method, instance or factory to global /// pool. void AddAnyMethodToGlobalPool(Decl *D); /// LookupInstanceMethodInGlobalPool - Returns the method and warns if /// there are multiple signatures. ObjCMethodDecl *LookupInstanceMethodInGlobalPool(Selector Sel, SourceRange R, bool receiverIdOrClass=false) { return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, /*instance*/true); } /// LookupFactoryMethodInGlobalPool - Returns the method and warns if /// there are multiple signatures. ObjCMethodDecl *LookupFactoryMethodInGlobalPool(Selector Sel, SourceRange R, bool receiverIdOrClass=false) { return LookupMethodInGlobalPool(Sel, R, receiverIdOrClass, /*instance*/false); } const ObjCMethodDecl *SelectorsForTypoCorrection(Selector Sel, QualType ObjectType=QualType()); /// LookupImplementedMethodInGlobalPool - Returns the method which has an /// implementation. ObjCMethodDecl *LookupImplementedMethodInGlobalPool(Selector Sel); /// CollectIvarsToConstructOrDestruct - Collect those ivars which require /// initialization. void CollectIvarsToConstructOrDestruct(ObjCInterfaceDecl *OI, SmallVectorImpl &Ivars); //===--------------------------------------------------------------------===// // Statement Parsing Callbacks: SemaStmt.cpp. public: class FullExprArg { public: FullExprArg() : E(nullptr) { } FullExprArg(Sema &actions) : E(nullptr) { } ExprResult release() { return E; } Expr *get() const { return E; } Expr *operator->() { return E; } private: // FIXME: No need to make the entire Sema class a friend when it's just // Sema::MakeFullExpr that needs access to the constructor below. friend class Sema; explicit FullExprArg(Expr *expr) : E(expr) {} Expr *E; }; FullExprArg MakeFullExpr(Expr *Arg) { return MakeFullExpr(Arg, Arg ? Arg->getExprLoc() : SourceLocation()); } FullExprArg MakeFullExpr(Expr *Arg, SourceLocation CC) { return FullExprArg( ActOnFinishFullExpr(Arg, CC, /*DiscardedValue*/ false).get()); } FullExprArg MakeFullDiscardedValueExpr(Expr *Arg) { ExprResult FE = ActOnFinishFullExpr(Arg, Arg ? Arg->getExprLoc() : SourceLocation(), /*DiscardedValue*/ true); return FullExprArg(FE.get()); } StmtResult ActOnExprStmt(ExprResult Arg, bool DiscardedValue = true); StmtResult ActOnExprStmtError(); StmtResult ActOnNullStmt(SourceLocation SemiLoc, bool HasLeadingEmptyMacro = false); void ActOnStartOfCompoundStmt(bool IsStmtExpr); void ActOnFinishOfCompoundStmt(); StmtResult ActOnCompoundStmt(SourceLocation L, SourceLocation R, ArrayRef Elts, bool isStmtExpr); /// A RAII object to enter scope of a compound statement. class CompoundScopeRAII { public: CompoundScopeRAII(Sema &S, bool IsStmtExpr = false) : S(S) { S.ActOnStartOfCompoundStmt(IsStmtExpr); } ~CompoundScopeRAII() { S.ActOnFinishOfCompoundStmt(); } private: Sema &S; }; /// An RAII helper that pops function a function scope on exit. struct FunctionScopeRAII { Sema &S; bool Active; FunctionScopeRAII(Sema &S) : S(S), Active(true) {} ~FunctionScopeRAII() { if (Active) S.PopFunctionScopeInfo(); } void disable() { Active = false; } }; StmtResult ActOnDeclStmt(DeclGroupPtrTy Decl, SourceLocation StartLoc, SourceLocation EndLoc); void ActOnForEachDeclStmt(DeclGroupPtrTy Decl); StmtResult ActOnForEachLValueExpr(Expr *E); ExprResult ActOnCaseExpr(SourceLocation CaseLoc, ExprResult Val); StmtResult ActOnCaseStmt(SourceLocation CaseLoc, ExprResult LHS, SourceLocation DotDotDotLoc, ExprResult RHS, SourceLocation ColonLoc); void ActOnCaseStmtBody(Stmt *CaseStmt, Stmt *SubStmt); StmtResult ActOnDefaultStmt(SourceLocation DefaultLoc, SourceLocation ColonLoc, Stmt *SubStmt, Scope *CurScope); StmtResult ActOnLabelStmt(SourceLocation IdentLoc, LabelDecl *TheDecl, SourceLocation ColonLoc, Stmt *SubStmt); StmtResult ActOnAttributedStmt(SourceLocation AttrLoc, ArrayRef Attrs, Stmt *SubStmt); class ConditionResult; StmtResult ActOnIfStmt(SourceLocation IfLoc, bool IsConstexpr, Stmt *InitStmt, ConditionResult Cond, Stmt *ThenVal, SourceLocation ElseLoc, Stmt *ElseVal); StmtResult BuildIfStmt(SourceLocation IfLoc, bool IsConstexpr, Stmt *InitStmt, ConditionResult Cond, Stmt *ThenVal, SourceLocation ElseLoc, Stmt *ElseVal); StmtResult ActOnStartOfSwitchStmt(SourceLocation SwitchLoc, Stmt *InitStmt, ConditionResult Cond); StmtResult ActOnFinishSwitchStmt(SourceLocation SwitchLoc, Stmt *Switch, Stmt *Body); StmtResult ActOnWhileStmt(SourceLocation WhileLoc, ConditionResult Cond, Stmt *Body); StmtResult ActOnDoStmt(SourceLocation DoLoc, Stmt *Body, SourceLocation WhileLoc, SourceLocation CondLParen, Expr *Cond, SourceLocation CondRParen); StmtResult ActOnForStmt(SourceLocation ForLoc, SourceLocation LParenLoc, Stmt *First, ConditionResult Second, FullExprArg Third, SourceLocation RParenLoc, Stmt *Body); ExprResult CheckObjCForCollectionOperand(SourceLocation forLoc, Expr *collection); StmtResult ActOnObjCForCollectionStmt(SourceLocation ForColLoc, Stmt *First, Expr *collection, SourceLocation RParenLoc); StmtResult FinishObjCForCollectionStmt(Stmt *ForCollection, Stmt *Body); enum BuildForRangeKind { /// Initial building of a for-range statement. BFRK_Build, /// Instantiation or recovery rebuild of a for-range statement. Don't /// attempt any typo-correction. BFRK_Rebuild, /// Determining whether a for-range statement could be built. Avoid any /// unnecessary or irreversible actions. BFRK_Check }; StmtResult ActOnCXXForRangeStmt(Scope *S, SourceLocation ForLoc, SourceLocation CoawaitLoc, Stmt *InitStmt, Stmt *LoopVar, SourceLocation ColonLoc, Expr *Collection, SourceLocation RParenLoc, BuildForRangeKind Kind); StmtResult BuildCXXForRangeStmt(SourceLocation ForLoc, SourceLocation CoawaitLoc, Stmt *InitStmt, SourceLocation ColonLoc, Stmt *RangeDecl, Stmt *Begin, Stmt *End, Expr *Cond, Expr *Inc, Stmt *LoopVarDecl, SourceLocation RParenLoc, BuildForRangeKind Kind); StmtResult FinishCXXForRangeStmt(Stmt *ForRange, Stmt *Body); StmtResult ActOnGotoStmt(SourceLocation GotoLoc, SourceLocation LabelLoc, LabelDecl *TheDecl); StmtResult ActOnIndirectGotoStmt(SourceLocation GotoLoc, SourceLocation StarLoc, Expr *DestExp); StmtResult ActOnContinueStmt(SourceLocation ContinueLoc, Scope *CurScope); StmtResult ActOnBreakStmt(SourceLocation BreakLoc, Scope *CurScope); void ActOnCapturedRegionStart(SourceLocation Loc, Scope *CurScope, CapturedRegionKind Kind, unsigned NumParams); typedef std::pair CapturedParamNameType; void ActOnCapturedRegionStart(SourceLocation Loc, Scope *CurScope, CapturedRegionKind Kind, ArrayRef Params, unsigned OpenMPCaptureLevel = 0); StmtResult ActOnCapturedRegionEnd(Stmt *S); void ActOnCapturedRegionError(); RecordDecl *CreateCapturedStmtRecordDecl(CapturedDecl *&CD, SourceLocation Loc, unsigned NumParams); enum CopyElisionSemanticsKind { CES_Strict = 0, CES_AllowParameters = 1, CES_AllowDifferentTypes = 2, CES_AllowExceptionVariables = 4, CES_FormerDefault = (CES_AllowParameters), CES_Default = (CES_AllowParameters | CES_AllowDifferentTypes), CES_AsIfByStdMove = (CES_AllowParameters | CES_AllowDifferentTypes | CES_AllowExceptionVariables), }; VarDecl *getCopyElisionCandidate(QualType ReturnType, Expr *E, CopyElisionSemanticsKind CESK); bool isCopyElisionCandidate(QualType ReturnType, const VarDecl *VD, CopyElisionSemanticsKind CESK); StmtResult ActOnReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp, Scope *CurScope); StmtResult BuildReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); StmtResult ActOnCapScopeReturnStmt(SourceLocation ReturnLoc, Expr *RetValExp); StmtResult ActOnGCCAsmStmt(SourceLocation AsmLoc, bool IsSimple, bool IsVolatile, unsigned NumOutputs, unsigned NumInputs, IdentifierInfo **Names, MultiExprArg Constraints, MultiExprArg Exprs, Expr *AsmString, MultiExprArg Clobbers, unsigned NumLabels, SourceLocation RParenLoc); void FillInlineAsmIdentifierInfo(Expr *Res, llvm::InlineAsmIdentifierInfo &Info); ExprResult LookupInlineAsmIdentifier(CXXScopeSpec &SS, SourceLocation TemplateKWLoc, UnqualifiedId &Id, bool IsUnevaluatedContext); bool LookupInlineAsmField(StringRef Base, StringRef Member, unsigned &Offset, SourceLocation AsmLoc); ExprResult LookupInlineAsmVarDeclField(Expr *RefExpr, StringRef Member, SourceLocation AsmLoc); StmtResult ActOnMSAsmStmt(SourceLocation AsmLoc, SourceLocation LBraceLoc, ArrayRef AsmToks, StringRef AsmString, unsigned NumOutputs, unsigned NumInputs, ArrayRef Constraints, ArrayRef Clobbers, ArrayRef Exprs, SourceLocation EndLoc); LabelDecl *GetOrCreateMSAsmLabel(StringRef ExternalLabelName, SourceLocation Location, bool AlwaysCreate); VarDecl *BuildObjCExceptionDecl(TypeSourceInfo *TInfo, QualType ExceptionType, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, bool Invalid = false); Decl *ActOnObjCExceptionDecl(Scope *S, Declarator &D); StmtResult ActOnObjCAtCatchStmt(SourceLocation AtLoc, SourceLocation RParen, Decl *Parm, Stmt *Body); StmtResult ActOnObjCAtFinallyStmt(SourceLocation AtLoc, Stmt *Body); StmtResult ActOnObjCAtTryStmt(SourceLocation AtLoc, Stmt *Try, MultiStmtArg Catch, Stmt *Finally); StmtResult BuildObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw); StmtResult ActOnObjCAtThrowStmt(SourceLocation AtLoc, Expr *Throw, Scope *CurScope); ExprResult ActOnObjCAtSynchronizedOperand(SourceLocation atLoc, Expr *operand); StmtResult ActOnObjCAtSynchronizedStmt(SourceLocation AtLoc, Expr *SynchExpr, Stmt *SynchBody); StmtResult ActOnObjCAutoreleasePoolStmt(SourceLocation AtLoc, Stmt *Body); VarDecl *BuildExceptionDeclaration(Scope *S, TypeSourceInfo *TInfo, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id); Decl *ActOnExceptionDeclarator(Scope *S, Declarator &D); StmtResult ActOnCXXCatchBlock(SourceLocation CatchLoc, Decl *ExDecl, Stmt *HandlerBlock); StmtResult ActOnCXXTryBlock(SourceLocation TryLoc, Stmt *TryBlock, ArrayRef Handlers); StmtResult ActOnSEHTryBlock(bool IsCXXTry, // try (true) or __try (false) ? SourceLocation TryLoc, Stmt *TryBlock, Stmt *Handler); StmtResult ActOnSEHExceptBlock(SourceLocation Loc, Expr *FilterExpr, Stmt *Block); void ActOnStartSEHFinallyBlock(); void ActOnAbortSEHFinallyBlock(); StmtResult ActOnFinishSEHFinallyBlock(SourceLocation Loc, Stmt *Block); StmtResult ActOnSEHLeaveStmt(SourceLocation Loc, Scope *CurScope); void DiagnoseReturnInConstructorExceptionHandler(CXXTryStmt *TryBlock); bool ShouldWarnIfUnusedFileScopedDecl(const DeclaratorDecl *D) const; /// If it's a file scoped decl that must warn if not used, keep track /// of it. void MarkUnusedFileScopedDecl(const DeclaratorDecl *D); /// DiagnoseUnusedExprResult - If the statement passed in is an expression /// whose result is unused, warn. void DiagnoseUnusedExprResult(const Stmt *S); void DiagnoseUnusedNestedTypedefs(const RecordDecl *D); void DiagnoseUnusedDecl(const NamedDecl *ND); /// Emit \p DiagID if statement located on \p StmtLoc has a suspicious null /// statement as a \p Body, and it is located on the same line. /// /// This helps prevent bugs due to typos, such as: /// if (condition); /// do_stuff(); void DiagnoseEmptyStmtBody(SourceLocation StmtLoc, const Stmt *Body, unsigned DiagID); /// Warn if a for/while loop statement \p S, which is followed by /// \p PossibleBody, has a suspicious null statement as a body. void DiagnoseEmptyLoopBody(const Stmt *S, const Stmt *PossibleBody); /// Warn if a value is moved to itself. void DiagnoseSelfMove(const Expr *LHSExpr, const Expr *RHSExpr, SourceLocation OpLoc); /// Warn if we're implicitly casting from a _Nullable pointer type to a /// _Nonnull one. void diagnoseNullableToNonnullConversion(QualType DstType, QualType SrcType, SourceLocation Loc); /// Warn when implicitly casting 0 to nullptr. void diagnoseZeroToNullptrConversion(CastKind Kind, const Expr *E); ParsingDeclState PushParsingDeclaration(sema::DelayedDiagnosticPool &pool) { return DelayedDiagnostics.push(pool); } void PopParsingDeclaration(ParsingDeclState state, Decl *decl); typedef ProcessingContextState ParsingClassState; ParsingClassState PushParsingClass() { ParsingClassDepth++; return DelayedDiagnostics.pushUndelayed(); } void PopParsingClass(ParsingClassState state) { ParsingClassDepth--; DelayedDiagnostics.popUndelayed(state); } void redelayDiagnostics(sema::DelayedDiagnosticPool &pool); void DiagnoseAvailabilityOfDecl(NamedDecl *D, ArrayRef Locs, const ObjCInterfaceDecl *UnknownObjCClass, bool ObjCPropertyAccess, bool AvoidPartialAvailabilityChecks = false, ObjCInterfaceDecl *ClassReceiver = nullptr); bool makeUnavailableInSystemHeader(SourceLocation loc, UnavailableAttr::ImplicitReason reason); /// Issue any -Wunguarded-availability warnings in \c FD void DiagnoseUnguardedAvailabilityViolations(Decl *FD); void handleDelayedAvailabilityCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); //===--------------------------------------------------------------------===// // Expression Parsing Callbacks: SemaExpr.cpp. bool CanUseDecl(NamedDecl *D, bool TreatUnavailableAsInvalid); bool DiagnoseUseOfDecl(NamedDecl *D, ArrayRef Locs, const ObjCInterfaceDecl *UnknownObjCClass = nullptr, bool ObjCPropertyAccess = false, bool AvoidPartialAvailabilityChecks = false, ObjCInterfaceDecl *ClassReciever = nullptr); void NoteDeletedFunction(FunctionDecl *FD); void NoteDeletedInheritingConstructor(CXXConstructorDecl *CD); bool DiagnosePropertyAccessorMismatch(ObjCPropertyDecl *PD, ObjCMethodDecl *Getter, SourceLocation Loc); void DiagnoseSentinelCalls(NamedDecl *D, SourceLocation Loc, ArrayRef Args); void PushExpressionEvaluationContext( ExpressionEvaluationContext NewContext, Decl *LambdaContextDecl = nullptr, ExpressionEvaluationContextRecord::ExpressionKind Type = ExpressionEvaluationContextRecord::EK_Other); enum ReuseLambdaContextDecl_t { ReuseLambdaContextDecl }; void PushExpressionEvaluationContext( ExpressionEvaluationContext NewContext, ReuseLambdaContextDecl_t, ExpressionEvaluationContextRecord::ExpressionKind Type = ExpressionEvaluationContextRecord::EK_Other); void PopExpressionEvaluationContext(); void DiscardCleanupsInEvaluationContext(); ExprResult TransformToPotentiallyEvaluated(Expr *E); ExprResult HandleExprEvaluationContextForTypeof(Expr *E); ExprResult CheckUnevaluatedOperand(Expr *E); void CheckUnusedVolatileAssignment(Expr *E); ExprResult ActOnConstantExpression(ExprResult Res); // Functions for marking a declaration referenced. These functions also // contain the relevant logic for marking if a reference to a function or // variable is an odr-use (in the C++11 sense). There are separate variants // for expressions referring to a decl; these exist because odr-use marking // needs to be delayed for some constant variables when we build one of the // named expressions. // // MightBeOdrUse indicates whether the use could possibly be an odr-use, and // should usually be true. This only needs to be set to false if the lack of // odr-use cannot be determined from the current context (for instance, // because the name denotes a virtual function and was written without an // explicit nested-name-specifier). void MarkAnyDeclReferenced(SourceLocation Loc, Decl *D, bool MightBeOdrUse); void MarkFunctionReferenced(SourceLocation Loc, FunctionDecl *Func, bool MightBeOdrUse = true); void MarkVariableReferenced(SourceLocation Loc, VarDecl *Var); void MarkDeclRefReferenced(DeclRefExpr *E, const Expr *Base = nullptr); void MarkMemberReferenced(MemberExpr *E); void MarkFunctionParmPackReferenced(FunctionParmPackExpr *E); void MarkCaptureUsedInEnclosingContext(VarDecl *Capture, SourceLocation Loc, unsigned CapturingScopeIndex); ExprResult CheckLValueToRValueConversionOperand(Expr *E); void CleanupVarDeclMarking(); enum TryCaptureKind { TryCapture_Implicit, TryCapture_ExplicitByVal, TryCapture_ExplicitByRef }; /// Try to capture the given variable. /// /// \param Var The variable to capture. /// /// \param Loc The location at which the capture occurs. /// /// \param Kind The kind of capture, which may be implicit (for either a /// block or a lambda), or explicit by-value or by-reference (for a lambda). /// /// \param EllipsisLoc The location of the ellipsis, if one is provided in /// an explicit lambda capture. /// /// \param BuildAndDiagnose Whether we are actually supposed to add the /// captures or diagnose errors. If false, this routine merely check whether /// the capture can occur without performing the capture itself or complaining /// if the variable cannot be captured. /// /// \param CaptureType Will be set to the type of the field used to capture /// this variable in the innermost block or lambda. Only valid when the /// variable can be captured. /// /// \param DeclRefType Will be set to the type of a reference to the capture /// from within the current scope. Only valid when the variable can be /// captured. /// /// \param FunctionScopeIndexToStopAt If non-null, it points to the index /// of the FunctionScopeInfo stack beyond which we do not attempt to capture. /// This is useful when enclosing lambdas must speculatively capture /// variables that may or may not be used in certain specializations of /// a nested generic lambda. /// /// \returns true if an error occurred (i.e., the variable cannot be /// captured) and false if the capture succeeded. bool tryCaptureVariable(VarDecl *Var, SourceLocation Loc, TryCaptureKind Kind, SourceLocation EllipsisLoc, bool BuildAndDiagnose, QualType &CaptureType, QualType &DeclRefType, const unsigned *const FunctionScopeIndexToStopAt); /// Try to capture the given variable. bool tryCaptureVariable(VarDecl *Var, SourceLocation Loc, TryCaptureKind Kind = TryCapture_Implicit, SourceLocation EllipsisLoc = SourceLocation()); /// Checks if the variable must be captured. bool NeedToCaptureVariable(VarDecl *Var, SourceLocation Loc); /// Given a variable, determine the type that a reference to that /// variable will have in the given scope. QualType getCapturedDeclRefType(VarDecl *Var, SourceLocation Loc); /// Mark all of the declarations referenced within a particular AST node as /// referenced. Used when template instantiation instantiates a non-dependent /// type -- entities referenced by the type are now referenced. void MarkDeclarationsReferencedInType(SourceLocation Loc, QualType T); void MarkDeclarationsReferencedInExpr(Expr *E, bool SkipLocalVariables = false); /// Try to recover by turning the given expression into a /// call. Returns true if recovery was attempted or an error was /// emitted; this may also leave the ExprResult invalid. bool tryToRecoverWithCall(ExprResult &E, const PartialDiagnostic &PD, bool ForceComplain = false, bool (*IsPlausibleResult)(QualType) = nullptr); /// Figure out if an expression could be turned into a call. bool tryExprAsCall(Expr &E, QualType &ZeroArgCallReturnTy, UnresolvedSetImpl &NonTemplateOverloads); /// Try to convert an expression \p E to type \p Ty. Returns the result of the /// conversion. ExprResult tryConvertExprToType(Expr *E, QualType Ty); /// Conditionally issue a diagnostic based on the current /// evaluation context. /// /// \param Statement If Statement is non-null, delay reporting the /// diagnostic until the function body is parsed, and then do a basic /// reachability analysis to determine if the statement is reachable. /// If it is unreachable, the diagnostic will not be emitted. bool DiagRuntimeBehavior(SourceLocation Loc, const Stmt *Statement, const PartialDiagnostic &PD); /// Similar, but diagnostic is only produced if all the specified statements /// are reachable. bool DiagRuntimeBehavior(SourceLocation Loc, ArrayRef Stmts, const PartialDiagnostic &PD); // Primary Expressions. SourceRange getExprRange(Expr *E) const; ExprResult ActOnIdExpression( Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, UnqualifiedId &Id, bool HasTrailingLParen, bool IsAddressOfOperand, CorrectionCandidateCallback *CCC = nullptr, bool IsInlineAsmIdentifier = false, Token *KeywordReplacement = nullptr); void DecomposeUnqualifiedId(const UnqualifiedId &Id, TemplateArgumentListInfo &Buffer, DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *&TemplateArgs); bool DiagnoseEmptyLookup(Scope *S, CXXScopeSpec &SS, LookupResult &R, CorrectionCandidateCallback &CCC, TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr, ArrayRef Args = None, TypoExpr **Out = nullptr); DeclResult LookupIvarInObjCMethod(LookupResult &Lookup, Scope *S, IdentifierInfo *II); ExprResult BuildIvarRefExpr(Scope *S, SourceLocation Loc, ObjCIvarDecl *IV); ExprResult LookupInObjCMethod(LookupResult &LookUp, Scope *S, IdentifierInfo *II, bool AllowBuiltinCreation=false); ExprResult ActOnDependentIdExpression(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, bool isAddressOfOperand, const TemplateArgumentListInfo *TemplateArgs); /// If \p D cannot be odr-used in the current expression evaluation context, /// return a reason explaining why. Otherwise, return NOUR_None. NonOdrUseReason getNonOdrUseReasonInCurrentContext(ValueDecl *D); DeclRefExpr *BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, SourceLocation Loc, const CXXScopeSpec *SS = nullptr); DeclRefExpr * BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, const DeclarationNameInfo &NameInfo, const CXXScopeSpec *SS = nullptr, NamedDecl *FoundD = nullptr, SourceLocation TemplateKWLoc = SourceLocation(), const TemplateArgumentListInfo *TemplateArgs = nullptr); DeclRefExpr * BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, const DeclarationNameInfo &NameInfo, NestedNameSpecifierLoc NNS, NamedDecl *FoundD = nullptr, SourceLocation TemplateKWLoc = SourceLocation(), const TemplateArgumentListInfo *TemplateArgs = nullptr); ExprResult BuildAnonymousStructUnionMemberReference( const CXXScopeSpec &SS, SourceLocation nameLoc, IndirectFieldDecl *indirectField, DeclAccessPair FoundDecl = DeclAccessPair::make(nullptr, AS_none), Expr *baseObjectExpr = nullptr, SourceLocation opLoc = SourceLocation()); ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, const Scope *S); ExprResult BuildImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, bool IsDefiniteInstance, const Scope *S); bool UseArgumentDependentLookup(const CXXScopeSpec &SS, const LookupResult &R, bool HasTrailingLParen); ExprResult BuildQualifiedDeclarationNameExpr(CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, bool IsAddressOfOperand, const Scope *S, TypeSourceInfo **RecoveryTSI = nullptr); ExprResult BuildDependentDeclRefExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs); ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, LookupResult &R, bool NeedsADL, bool AcceptInvalidDecl = false); ExprResult BuildDeclarationNameExpr( const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, NamedDecl *D, NamedDecl *FoundD = nullptr, const TemplateArgumentListInfo *TemplateArgs = nullptr, bool AcceptInvalidDecl = false); ExprResult BuildLiteralOperatorCall(LookupResult &R, DeclarationNameInfo &SuffixInfo, ArrayRef Args, SourceLocation LitEndLoc, TemplateArgumentListInfo *ExplicitTemplateArgs = nullptr); ExprResult BuildPredefinedExpr(SourceLocation Loc, PredefinedExpr::IdentKind IK); ExprResult ActOnPredefinedExpr(SourceLocation Loc, tok::TokenKind Kind); ExprResult ActOnIntegerConstant(SourceLocation Loc, uint64_t Val); ExprResult BuildUniqueStableName(SourceLocation Loc, TypeSourceInfo *Operand); ExprResult BuildUniqueStableName(SourceLocation Loc, Expr *E); ExprResult ActOnUniqueStableNameExpr(SourceLocation OpLoc, SourceLocation LParen, SourceLocation RParen, ParsedType Ty); ExprResult ActOnUniqueStableNameExpr(SourceLocation OpLoc, SourceLocation LParen, SourceLocation RParen, Expr *E); bool CheckLoopHintExpr(Expr *E, SourceLocation Loc); ExprResult ActOnNumericConstant(const Token &Tok, Scope *UDLScope = nullptr); ExprResult ActOnCharacterConstant(const Token &Tok, Scope *UDLScope = nullptr); ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, Expr *E); ExprResult ActOnParenListExpr(SourceLocation L, SourceLocation R, MultiExprArg Val); /// ActOnStringLiteral - The specified tokens were lexed as pasted string /// fragments (e.g. "foo" "bar" L"baz"). ExprResult ActOnStringLiteral(ArrayRef StringToks, Scope *UDLScope = nullptr); ExprResult ActOnGenericSelectionExpr(SourceLocation KeyLoc, SourceLocation DefaultLoc, SourceLocation RParenLoc, Expr *ControllingExpr, ArrayRef ArgTypes, ArrayRef ArgExprs); ExprResult CreateGenericSelectionExpr(SourceLocation KeyLoc, SourceLocation DefaultLoc, SourceLocation RParenLoc, Expr *ControllingExpr, ArrayRef Types, ArrayRef Exprs); // Binary/Unary Operators. 'Tok' is the token for the operator. ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *InputExpr); ExprResult BuildUnaryOp(Scope *S, SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *Input); ExprResult ActOnUnaryOp(Scope *S, SourceLocation OpLoc, tok::TokenKind Op, Expr *Input); bool isQualifiedMemberAccess(Expr *E); QualType CheckAddressOfOperand(ExprResult &Operand, SourceLocation OpLoc); ExprResult CreateUnaryExprOrTypeTraitExpr(TypeSourceInfo *TInfo, SourceLocation OpLoc, UnaryExprOrTypeTrait ExprKind, SourceRange R); ExprResult CreateUnaryExprOrTypeTraitExpr(Expr *E, SourceLocation OpLoc, UnaryExprOrTypeTrait ExprKind); ExprResult ActOnUnaryExprOrTypeTraitExpr(SourceLocation OpLoc, UnaryExprOrTypeTrait ExprKind, bool IsType, void *TyOrEx, SourceRange ArgRange); ExprResult CheckPlaceholderExpr(Expr *E); bool CheckVecStepExpr(Expr *E); bool CheckUnaryExprOrTypeTraitOperand(Expr *E, UnaryExprOrTypeTrait ExprKind); bool CheckUnaryExprOrTypeTraitOperand(QualType ExprType, SourceLocation OpLoc, SourceRange ExprRange, UnaryExprOrTypeTrait ExprKind); ExprResult ActOnSizeofParameterPackExpr(Scope *S, SourceLocation OpLoc, IdentifierInfo &Name, SourceLocation NameLoc, SourceLocation RParenLoc); ExprResult ActOnPostfixUnaryOp(Scope *S, SourceLocation OpLoc, tok::TokenKind Kind, Expr *Input); ExprResult ActOnArraySubscriptExpr(Scope *S, Expr *Base, SourceLocation LLoc, Expr *Idx, SourceLocation RLoc); ExprResult CreateBuiltinArraySubscriptExpr(Expr *Base, SourceLocation LLoc, Expr *Idx, SourceLocation RLoc); ExprResult CreateBuiltinMatrixSubscriptExpr(Expr *Base, Expr *RowIdx, Expr *ColumnIdx, SourceLocation RBLoc); ExprResult ActOnOMPArraySectionExpr(Expr *Base, SourceLocation LBLoc, Expr *LowerBound, SourceLocation ColonLoc, Expr *Length, SourceLocation RBLoc); ExprResult ActOnOMPArrayShapingExpr(Expr *Base, SourceLocation LParenLoc, SourceLocation RParenLoc, ArrayRef Dims, ArrayRef Brackets); /// Data structure for iterator expression. struct OMPIteratorData { IdentifierInfo *DeclIdent = nullptr; SourceLocation DeclIdentLoc; ParsedType Type; OMPIteratorExpr::IteratorRange Range; SourceLocation AssignLoc; SourceLocation ColonLoc; SourceLocation SecColonLoc; }; ExprResult ActOnOMPIteratorExpr(Scope *S, SourceLocation IteratorKwLoc, SourceLocation LLoc, SourceLocation RLoc, ArrayRef Data); // This struct is for use by ActOnMemberAccess to allow // BuildMemberReferenceExpr to be able to reinvoke ActOnMemberAccess after // changing the access operator from a '.' to a '->' (to see if that is the // change needed to fix an error about an unknown member, e.g. when the class // defines a custom operator->). struct ActOnMemberAccessExtraArgs { Scope *S; UnqualifiedId &Id; Decl *ObjCImpDecl; }; ExprResult BuildMemberReferenceExpr( Expr *Base, QualType BaseType, SourceLocation OpLoc, bool IsArrow, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierInScope, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs, const Scope *S, ActOnMemberAccessExtraArgs *ExtraArgs = nullptr); ExprResult BuildMemberReferenceExpr(Expr *Base, QualType BaseType, SourceLocation OpLoc, bool IsArrow, const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierInScope, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, const Scope *S, bool SuppressQualifierCheck = false, ActOnMemberAccessExtraArgs *ExtraArgs = nullptr); ExprResult BuildFieldReferenceExpr(Expr *BaseExpr, bool IsArrow, SourceLocation OpLoc, const CXXScopeSpec &SS, FieldDecl *Field, DeclAccessPair FoundDecl, const DeclarationNameInfo &MemberNameInfo); ExprResult PerformMemberExprBaseConversion(Expr *Base, bool IsArrow); bool CheckQualifiedMemberReference(Expr *BaseExpr, QualType BaseType, const CXXScopeSpec &SS, const LookupResult &R); ExprResult ActOnDependentMemberExpr(Expr *Base, QualType BaseType, bool IsArrow, SourceLocation OpLoc, const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierInScope, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs); ExprResult ActOnMemberAccessExpr(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, UnqualifiedId &Member, Decl *ObjCImpDecl); MemberExpr * BuildMemberExpr(Expr *Base, bool IsArrow, SourceLocation OpLoc, const CXXScopeSpec *SS, SourceLocation TemplateKWLoc, ValueDecl *Member, DeclAccessPair FoundDecl, bool HadMultipleCandidates, const DeclarationNameInfo &MemberNameInfo, QualType Ty, ExprValueKind VK, ExprObjectKind OK, const TemplateArgumentListInfo *TemplateArgs = nullptr); MemberExpr * BuildMemberExpr(Expr *Base, bool IsArrow, SourceLocation OpLoc, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, ValueDecl *Member, DeclAccessPair FoundDecl, bool HadMultipleCandidates, const DeclarationNameInfo &MemberNameInfo, QualType Ty, ExprValueKind VK, ExprObjectKind OK, const TemplateArgumentListInfo *TemplateArgs = nullptr); void ActOnDefaultCtorInitializers(Decl *CDtorDecl); bool ConvertArgumentsForCall(CallExpr *Call, Expr *Fn, FunctionDecl *FDecl, const FunctionProtoType *Proto, ArrayRef Args, SourceLocation RParenLoc, bool ExecConfig = false); void CheckStaticArrayArgument(SourceLocation CallLoc, ParmVarDecl *Param, const Expr *ArgExpr); /// ActOnCallExpr - Handle a call to Fn with the specified array of arguments. /// This provides the location of the left/right parens and a list of comma /// locations. ExprResult ActOnCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, MultiExprArg ArgExprs, SourceLocation RParenLoc, Expr *ExecConfig = nullptr); ExprResult BuildCallExpr(Scope *S, Expr *Fn, SourceLocation LParenLoc, MultiExprArg ArgExprs, SourceLocation RParenLoc, Expr *ExecConfig = nullptr, bool IsExecConfig = false); enum class AtomicArgumentOrder { API, AST }; ExprResult BuildAtomicExpr(SourceRange CallRange, SourceRange ExprRange, SourceLocation RParenLoc, MultiExprArg Args, AtomicExpr::AtomicOp Op, AtomicArgumentOrder ArgOrder = AtomicArgumentOrder::API); ExprResult BuildResolvedCallExpr(Expr *Fn, NamedDecl *NDecl, SourceLocation LParenLoc, ArrayRef Arg, SourceLocation RParenLoc, Expr *Config = nullptr, bool IsExecConfig = false, ADLCallKind UsesADL = ADLCallKind::NotADL); ExprResult ActOnCUDAExecConfigExpr(Scope *S, SourceLocation LLLLoc, MultiExprArg ExecConfig, SourceLocation GGGLoc); ExprResult ActOnCastExpr(Scope *S, SourceLocation LParenLoc, Declarator &D, ParsedType &Ty, SourceLocation RParenLoc, Expr *CastExpr); ExprResult BuildCStyleCastExpr(SourceLocation LParenLoc, TypeSourceInfo *Ty, SourceLocation RParenLoc, Expr *Op); CastKind PrepareScalarCast(ExprResult &src, QualType destType); /// Build an altivec or OpenCL literal. ExprResult BuildVectorLiteral(SourceLocation LParenLoc, SourceLocation RParenLoc, Expr *E, TypeSourceInfo *TInfo); ExprResult MaybeConvertParenListExprToParenExpr(Scope *S, Expr *ME); ExprResult ActOnCompoundLiteral(SourceLocation LParenLoc, ParsedType Ty, SourceLocation RParenLoc, Expr *InitExpr); ExprResult BuildCompoundLiteralExpr(SourceLocation LParenLoc, TypeSourceInfo *TInfo, SourceLocation RParenLoc, Expr *LiteralExpr); ExprResult ActOnInitList(SourceLocation LBraceLoc, MultiExprArg InitArgList, SourceLocation RBraceLoc); ExprResult BuildInitList(SourceLocation LBraceLoc, MultiExprArg InitArgList, SourceLocation RBraceLoc); ExprResult ActOnDesignatedInitializer(Designation &Desig, SourceLocation EqualOrColonLoc, bool GNUSyntax, ExprResult Init); private: static BinaryOperatorKind ConvertTokenKindToBinaryOpcode(tok::TokenKind Kind); public: ExprResult ActOnBinOp(Scope *S, SourceLocation TokLoc, tok::TokenKind Kind, Expr *LHSExpr, Expr *RHSExpr); ExprResult BuildBinOp(Scope *S, SourceLocation OpLoc, BinaryOperatorKind Opc, Expr *LHSExpr, Expr *RHSExpr); ExprResult CreateBuiltinBinOp(SourceLocation OpLoc, BinaryOperatorKind Opc, Expr *LHSExpr, Expr *RHSExpr); void DiagnoseCommaOperator(const Expr *LHS, SourceLocation Loc); /// ActOnConditionalOp - Parse a ?: operation. Note that 'LHS' may be null /// in the case of a the GNU conditional expr extension. ExprResult ActOnConditionalOp(SourceLocation QuestionLoc, SourceLocation ColonLoc, Expr *CondExpr, Expr *LHSExpr, Expr *RHSExpr); /// ActOnAddrLabel - Parse the GNU address of label extension: "&&foo". ExprResult ActOnAddrLabel(SourceLocation OpLoc, SourceLocation LabLoc, LabelDecl *TheDecl); void ActOnStartStmtExpr(); ExprResult ActOnStmtExpr(Scope *S, SourceLocation LPLoc, Stmt *SubStmt, SourceLocation RPLoc); ExprResult BuildStmtExpr(SourceLocation LPLoc, Stmt *SubStmt, SourceLocation RPLoc, unsigned TemplateDepth); // Handle the final expression in a statement expression. ExprResult ActOnStmtExprResult(ExprResult E); void ActOnStmtExprError(); // __builtin_offsetof(type, identifier(.identifier|[expr])*) struct OffsetOfComponent { SourceLocation LocStart, LocEnd; bool isBrackets; // true if [expr], false if .ident union { IdentifierInfo *IdentInfo; Expr *E; } U; }; /// __builtin_offsetof(type, a.b[123][456].c) ExprResult BuildBuiltinOffsetOf(SourceLocation BuiltinLoc, TypeSourceInfo *TInfo, ArrayRef Components, SourceLocation RParenLoc); ExprResult ActOnBuiltinOffsetOf(Scope *S, SourceLocation BuiltinLoc, SourceLocation TypeLoc, ParsedType ParsedArgTy, ArrayRef Components, SourceLocation RParenLoc); // __builtin_choose_expr(constExpr, expr1, expr2) ExprResult ActOnChooseExpr(SourceLocation BuiltinLoc, Expr *CondExpr, Expr *LHSExpr, Expr *RHSExpr, SourceLocation RPLoc); // __builtin_va_arg(expr, type) ExprResult ActOnVAArg(SourceLocation BuiltinLoc, Expr *E, ParsedType Ty, SourceLocation RPLoc); ExprResult BuildVAArgExpr(SourceLocation BuiltinLoc, Expr *E, TypeSourceInfo *TInfo, SourceLocation RPLoc); // __builtin_LINE(), __builtin_FUNCTION(), __builtin_FILE(), // __builtin_COLUMN() ExprResult ActOnSourceLocExpr(SourceLocExpr::IdentKind Kind, SourceLocation BuiltinLoc, SourceLocation RPLoc); // Build a potentially resolved SourceLocExpr. ExprResult BuildSourceLocExpr(SourceLocExpr::IdentKind Kind, SourceLocation BuiltinLoc, SourceLocation RPLoc, DeclContext *ParentContext); // __null ExprResult ActOnGNUNullExpr(SourceLocation TokenLoc); bool CheckCaseExpression(Expr *E); /// Describes the result of an "if-exists" condition check. enum IfExistsResult { /// The symbol exists. IER_Exists, /// The symbol does not exist. IER_DoesNotExist, /// The name is a dependent name, so the results will differ /// from one instantiation to the next. IER_Dependent, /// An error occurred. IER_Error }; IfExistsResult CheckMicrosoftIfExistsSymbol(Scope *S, CXXScopeSpec &SS, const DeclarationNameInfo &TargetNameInfo); IfExistsResult CheckMicrosoftIfExistsSymbol(Scope *S, SourceLocation KeywordLoc, bool IsIfExists, CXXScopeSpec &SS, UnqualifiedId &Name); StmtResult BuildMSDependentExistsStmt(SourceLocation KeywordLoc, bool IsIfExists, NestedNameSpecifierLoc QualifierLoc, DeclarationNameInfo NameInfo, Stmt *Nested); StmtResult ActOnMSDependentExistsStmt(SourceLocation KeywordLoc, bool IsIfExists, CXXScopeSpec &SS, UnqualifiedId &Name, Stmt *Nested); //===------------------------- "Block" Extension ------------------------===// /// ActOnBlockStart - This callback is invoked when a block literal is /// started. void ActOnBlockStart(SourceLocation CaretLoc, Scope *CurScope); /// ActOnBlockArguments - This callback allows processing of block arguments. /// If there are no arguments, this is still invoked. void ActOnBlockArguments(SourceLocation CaretLoc, Declarator &ParamInfo, Scope *CurScope); /// ActOnBlockError - If there is an error parsing a block, this callback /// is invoked to pop the information about the block from the action impl. void ActOnBlockError(SourceLocation CaretLoc, Scope *CurScope); /// ActOnBlockStmtExpr - This is called when the body of a block statement /// literal was successfully completed. ^(int x){...} ExprResult ActOnBlockStmtExpr(SourceLocation CaretLoc, Stmt *Body, Scope *CurScope); //===---------------------------- Clang Extensions ----------------------===// /// __builtin_convertvector(...) ExprResult ActOnConvertVectorExpr(Expr *E, ParsedType ParsedDestTy, SourceLocation BuiltinLoc, SourceLocation RParenLoc); //===---------------------------- OpenCL Features -----------------------===// /// __builtin_astype(...) ExprResult ActOnAsTypeExpr(Expr *E, ParsedType ParsedDestTy, SourceLocation BuiltinLoc, SourceLocation RParenLoc); //===---------------------------- C++ Features --------------------------===// // Act on C++ namespaces Decl *ActOnStartNamespaceDef(Scope *S, SourceLocation InlineLoc, SourceLocation NamespaceLoc, SourceLocation IdentLoc, IdentifierInfo *Ident, SourceLocation LBrace, const ParsedAttributesView &AttrList, UsingDirectiveDecl *&UsingDecl); void ActOnFinishNamespaceDef(Decl *Dcl, SourceLocation RBrace); NamespaceDecl *getStdNamespace() const; NamespaceDecl *getOrCreateStdNamespace(); NamespaceDecl *lookupStdExperimentalNamespace(); CXXRecordDecl *getStdBadAlloc() const; EnumDecl *getStdAlignValT() const; private: // A cache representing if we've fully checked the various comparison category // types stored in ASTContext. The bit-index corresponds to the integer value // of a ComparisonCategoryType enumerator. llvm::SmallBitVector FullyCheckedComparisonCategories; ValueDecl *tryLookupCtorInitMemberDecl(CXXRecordDecl *ClassDecl, CXXScopeSpec &SS, ParsedType TemplateTypeTy, IdentifierInfo *MemberOrBase); public: enum class ComparisonCategoryUsage { /// The '<=>' operator was used in an expression and a builtin operator /// was selected. OperatorInExpression, /// A defaulted 'operator<=>' needed the comparison category. This /// typically only applies to 'std::strong_ordering', due to the implicit /// fallback return value. DefaultedOperator, }; /// Lookup the specified comparison category types in the standard /// library, an check the VarDecls possibly returned by the operator<=> /// builtins for that type. /// /// \return The type of the comparison category type corresponding to the /// specified Kind, or a null type if an error occurs QualType CheckComparisonCategoryType(ComparisonCategoryType Kind, SourceLocation Loc, ComparisonCategoryUsage Usage); /// Tests whether Ty is an instance of std::initializer_list and, if /// it is and Element is not NULL, assigns the element type to Element. bool isStdInitializerList(QualType Ty, QualType *Element); /// Looks for the std::initializer_list template and instantiates it /// with Element, or emits an error if it's not found. /// /// \returns The instantiated template, or null on error. QualType BuildStdInitializerList(QualType Element, SourceLocation Loc); /// Determine whether Ctor is an initializer-list constructor, as /// defined in [dcl.init.list]p2. bool isInitListConstructor(const FunctionDecl *Ctor); Decl *ActOnUsingDirective(Scope *CurScope, SourceLocation UsingLoc, SourceLocation NamespcLoc, CXXScopeSpec &SS, SourceLocation IdentLoc, IdentifierInfo *NamespcName, const ParsedAttributesView &AttrList); void PushUsingDirective(Scope *S, UsingDirectiveDecl *UDir); Decl *ActOnNamespaceAliasDef(Scope *CurScope, SourceLocation NamespaceLoc, SourceLocation AliasLoc, IdentifierInfo *Alias, CXXScopeSpec &SS, SourceLocation IdentLoc, IdentifierInfo *Ident); void HideUsingShadowDecl(Scope *S, UsingShadowDecl *Shadow); bool CheckUsingShadowDecl(UsingDecl *UD, NamedDecl *Target, const LookupResult &PreviousDecls, UsingShadowDecl *&PrevShadow); UsingShadowDecl *BuildUsingShadowDecl(Scope *S, UsingDecl *UD, NamedDecl *Target, UsingShadowDecl *PrevDecl); bool CheckUsingDeclRedeclaration(SourceLocation UsingLoc, bool HasTypenameKeyword, const CXXScopeSpec &SS, SourceLocation NameLoc, const LookupResult &Previous); bool CheckUsingDeclQualifier(SourceLocation UsingLoc, bool HasTypename, const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, SourceLocation NameLoc); NamedDecl *BuildUsingDeclaration( Scope *S, AccessSpecifier AS, SourceLocation UsingLoc, bool HasTypenameKeyword, SourceLocation TypenameLoc, CXXScopeSpec &SS, DeclarationNameInfo NameInfo, SourceLocation EllipsisLoc, const ParsedAttributesView &AttrList, bool IsInstantiation); NamedDecl *BuildUsingPackDecl(NamedDecl *InstantiatedFrom, ArrayRef Expansions); bool CheckInheritingConstructorUsingDecl(UsingDecl *UD); /// Given a derived-class using shadow declaration for a constructor and the /// correspnding base class constructor, find or create the implicit /// synthesized derived class constructor to use for this initialization. CXXConstructorDecl * findInheritingConstructor(SourceLocation Loc, CXXConstructorDecl *BaseCtor, ConstructorUsingShadowDecl *DerivedShadow); Decl *ActOnUsingDeclaration(Scope *CurScope, AccessSpecifier AS, SourceLocation UsingLoc, SourceLocation TypenameLoc, CXXScopeSpec &SS, UnqualifiedId &Name, SourceLocation EllipsisLoc, const ParsedAttributesView &AttrList); Decl *ActOnAliasDeclaration(Scope *CurScope, AccessSpecifier AS, MultiTemplateParamsArg TemplateParams, SourceLocation UsingLoc, UnqualifiedId &Name, const ParsedAttributesView &AttrList, TypeResult Type, Decl *DeclFromDeclSpec); /// BuildCXXConstructExpr - Creates a complete call to a constructor, /// including handling of its default argument expressions. /// /// \param ConstructKind - a CXXConstructExpr::ConstructionKind ExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, NamedDecl *FoundDecl, CXXConstructorDecl *Constructor, MultiExprArg Exprs, bool HadMultipleCandidates, bool IsListInitialization, bool IsStdInitListInitialization, bool RequiresZeroInit, unsigned ConstructKind, SourceRange ParenRange); /// Build a CXXConstructExpr whose constructor has already been resolved if /// it denotes an inherited constructor. ExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, CXXConstructorDecl *Constructor, bool Elidable, MultiExprArg Exprs, bool HadMultipleCandidates, bool IsListInitialization, bool IsStdInitListInitialization, bool RequiresZeroInit, unsigned ConstructKind, SourceRange ParenRange); // FIXME: Can we remove this and have the above BuildCXXConstructExpr check if // the constructor can be elidable? ExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, NamedDecl *FoundDecl, CXXConstructorDecl *Constructor, bool Elidable, MultiExprArg Exprs, bool HadMultipleCandidates, bool IsListInitialization, bool IsStdInitListInitialization, bool RequiresZeroInit, unsigned ConstructKind, SourceRange ParenRange); ExprResult BuildCXXDefaultInitExpr(SourceLocation Loc, FieldDecl *Field); /// Instantiate or parse a C++ default argument expression as necessary. /// Return true on error. bool CheckCXXDefaultArgExpr(SourceLocation CallLoc, FunctionDecl *FD, ParmVarDecl *Param); /// BuildCXXDefaultArgExpr - Creates a CXXDefaultArgExpr, instantiating /// the default expr if needed. ExprResult BuildCXXDefaultArgExpr(SourceLocation CallLoc, FunctionDecl *FD, ParmVarDecl *Param); /// FinalizeVarWithDestructor - Prepare for calling destructor on the /// constructed variable. void FinalizeVarWithDestructor(VarDecl *VD, const RecordType *DeclInitType); /// Helper class that collects exception specifications for /// implicitly-declared special member functions. class ImplicitExceptionSpecification { // Pointer to allow copying Sema *Self; // We order exception specifications thus: // noexcept is the most restrictive, but is only used in C++11. // throw() comes next. // Then a throw(collected exceptions) // Finally no specification, which is expressed as noexcept(false). // throw(...) is used instead if any called function uses it. ExceptionSpecificationType ComputedEST; llvm::SmallPtrSet ExceptionsSeen; SmallVector Exceptions; void ClearExceptions() { ExceptionsSeen.clear(); Exceptions.clear(); } public: explicit ImplicitExceptionSpecification(Sema &Self) : Self(&Self), ComputedEST(EST_BasicNoexcept) { if (!Self.getLangOpts().CPlusPlus11) ComputedEST = EST_DynamicNone; } /// Get the computed exception specification type. ExceptionSpecificationType getExceptionSpecType() const { assert(!isComputedNoexcept(ComputedEST) && "noexcept(expr) should not be a possible result"); return ComputedEST; } /// The number of exceptions in the exception specification. unsigned size() const { return Exceptions.size(); } /// The set of exceptions in the exception specification. const QualType *data() const { return Exceptions.data(); } /// Integrate another called method into the collected data. void CalledDecl(SourceLocation CallLoc, const CXXMethodDecl *Method); /// Integrate an invoked expression into the collected data. void CalledExpr(Expr *E) { CalledStmt(E); } /// Integrate an invoked statement into the collected data. void CalledStmt(Stmt *S); /// Overwrite an EPI's exception specification with this /// computed exception specification. FunctionProtoType::ExceptionSpecInfo getExceptionSpec() const { FunctionProtoType::ExceptionSpecInfo ESI; ESI.Type = getExceptionSpecType(); if (ESI.Type == EST_Dynamic) { ESI.Exceptions = Exceptions; } else if (ESI.Type == EST_None) { /// C++11 [except.spec]p14: /// The exception-specification is noexcept(false) if the set of /// potential exceptions of the special member function contains "any" ESI.Type = EST_NoexceptFalse; ESI.NoexceptExpr = Self->ActOnCXXBoolLiteral(SourceLocation(), tok::kw_false).get(); } return ESI; } }; /// Determine what sort of exception specification a defaulted /// copy constructor of a class will have. ImplicitExceptionSpecification ComputeDefaultedDefaultCtorExceptionSpec(SourceLocation Loc, CXXMethodDecl *MD); /// Determine what sort of exception specification a defaulted /// default constructor of a class will have, and whether the parameter /// will be const. ImplicitExceptionSpecification ComputeDefaultedCopyCtorExceptionSpec(CXXMethodDecl *MD); /// Determine what sort of exception specification a defaulted /// copy assignment operator of a class will have, and whether the /// parameter will be const. ImplicitExceptionSpecification ComputeDefaultedCopyAssignmentExceptionSpec(CXXMethodDecl *MD); /// Determine what sort of exception specification a defaulted move /// constructor of a class will have. ImplicitExceptionSpecification ComputeDefaultedMoveCtorExceptionSpec(CXXMethodDecl *MD); /// Determine what sort of exception specification a defaulted move /// assignment operator of a class will have. ImplicitExceptionSpecification ComputeDefaultedMoveAssignmentExceptionSpec(CXXMethodDecl *MD); /// Determine what sort of exception specification a defaulted /// destructor of a class will have. ImplicitExceptionSpecification ComputeDefaultedDtorExceptionSpec(CXXMethodDecl *MD); /// Determine what sort of exception specification an inheriting /// constructor of a class will have. ImplicitExceptionSpecification ComputeInheritingCtorExceptionSpec(SourceLocation Loc, CXXConstructorDecl *CD); /// Evaluate the implicit exception specification for a defaulted /// special member function. void EvaluateImplicitExceptionSpec(SourceLocation Loc, FunctionDecl *FD); /// Check the given noexcept-specifier, convert its expression, and compute /// the appropriate ExceptionSpecificationType. ExprResult ActOnNoexceptSpec(SourceLocation NoexceptLoc, Expr *NoexceptExpr, ExceptionSpecificationType &EST); /// Check the given exception-specification and update the /// exception specification information with the results. void checkExceptionSpecification(bool IsTopLevel, ExceptionSpecificationType EST, ArrayRef DynamicExceptions, ArrayRef DynamicExceptionRanges, Expr *NoexceptExpr, SmallVectorImpl &Exceptions, FunctionProtoType::ExceptionSpecInfo &ESI); /// Determine if we're in a case where we need to (incorrectly) eagerly /// parse an exception specification to work around a libstdc++ bug. bool isLibstdcxxEagerExceptionSpecHack(const Declarator &D); /// Add an exception-specification to the given member function /// (or member function template). The exception-specification was parsed /// after the method itself was declared. void actOnDelayedExceptionSpecification(Decl *Method, ExceptionSpecificationType EST, SourceRange SpecificationRange, ArrayRef DynamicExceptions, ArrayRef DynamicExceptionRanges, Expr *NoexceptExpr); class InheritedConstructorInfo; /// Determine if a special member function should have a deleted /// definition when it is defaulted. bool ShouldDeleteSpecialMember(CXXMethodDecl *MD, CXXSpecialMember CSM, InheritedConstructorInfo *ICI = nullptr, bool Diagnose = false); /// Produce notes explaining why a defaulted function was defined as deleted. void DiagnoseDeletedDefaultedFunction(FunctionDecl *FD); /// Declare the implicit default constructor for the given class. /// /// \param ClassDecl The class declaration into which the implicit /// default constructor will be added. /// /// \returns The implicitly-declared default constructor. CXXConstructorDecl *DeclareImplicitDefaultConstructor( CXXRecordDecl *ClassDecl); /// DefineImplicitDefaultConstructor - Checks for feasibility of /// defining this constructor as the default constructor. void DefineImplicitDefaultConstructor(SourceLocation CurrentLocation, CXXConstructorDecl *Constructor); /// Declare the implicit destructor for the given class. /// /// \param ClassDecl The class declaration into which the implicit /// destructor will be added. /// /// \returns The implicitly-declared destructor. CXXDestructorDecl *DeclareImplicitDestructor(CXXRecordDecl *ClassDecl); /// DefineImplicitDestructor - Checks for feasibility of /// defining this destructor as the default destructor. void DefineImplicitDestructor(SourceLocation CurrentLocation, CXXDestructorDecl *Destructor); /// Build an exception spec for destructors that don't have one. /// /// C++11 says that user-defined destructors with no exception spec get one /// that looks as if the destructor was implicitly declared. void AdjustDestructorExceptionSpec(CXXDestructorDecl *Destructor); /// Define the specified inheriting constructor. void DefineInheritingConstructor(SourceLocation UseLoc, CXXConstructorDecl *Constructor); /// Declare the implicit copy constructor for the given class. /// /// \param ClassDecl The class declaration into which the implicit /// copy constructor will be added. /// /// \returns The implicitly-declared copy constructor. CXXConstructorDecl *DeclareImplicitCopyConstructor(CXXRecordDecl *ClassDecl); /// DefineImplicitCopyConstructor - Checks for feasibility of /// defining this constructor as the copy constructor. void DefineImplicitCopyConstructor(SourceLocation CurrentLocation, CXXConstructorDecl *Constructor); /// Declare the implicit move constructor for the given class. /// /// \param ClassDecl The Class declaration into which the implicit /// move constructor will be added. /// /// \returns The implicitly-declared move constructor, or NULL if it wasn't /// declared. CXXConstructorDecl *DeclareImplicitMoveConstructor(CXXRecordDecl *ClassDecl); /// DefineImplicitMoveConstructor - Checks for feasibility of /// defining this constructor as the move constructor. void DefineImplicitMoveConstructor(SourceLocation CurrentLocation, CXXConstructorDecl *Constructor); /// Declare the implicit copy assignment operator for the given class. /// /// \param ClassDecl The class declaration into which the implicit /// copy assignment operator will be added. /// /// \returns The implicitly-declared copy assignment operator. CXXMethodDecl *DeclareImplicitCopyAssignment(CXXRecordDecl *ClassDecl); /// Defines an implicitly-declared copy assignment operator. void DefineImplicitCopyAssignment(SourceLocation CurrentLocation, CXXMethodDecl *MethodDecl); /// Declare the implicit move assignment operator for the given class. /// /// \param ClassDecl The Class declaration into which the implicit /// move assignment operator will be added. /// /// \returns The implicitly-declared move assignment operator, or NULL if it /// wasn't declared. CXXMethodDecl *DeclareImplicitMoveAssignment(CXXRecordDecl *ClassDecl); /// Defines an implicitly-declared move assignment operator. void DefineImplicitMoveAssignment(SourceLocation CurrentLocation, CXXMethodDecl *MethodDecl); /// Force the declaration of any implicitly-declared members of this /// class. void ForceDeclarationOfImplicitMembers(CXXRecordDecl *Class); /// Check a completed declaration of an implicit special member. void CheckImplicitSpecialMemberDeclaration(Scope *S, FunctionDecl *FD); /// Determine whether the given function is an implicitly-deleted /// special member function. bool isImplicitlyDeleted(FunctionDecl *FD); /// Check whether 'this' shows up in the type of a static member /// function after the (naturally empty) cv-qualifier-seq would be. /// /// \returns true if an error occurred. bool checkThisInStaticMemberFunctionType(CXXMethodDecl *Method); /// Whether this' shows up in the exception specification of a static /// member function. bool checkThisInStaticMemberFunctionExceptionSpec(CXXMethodDecl *Method); /// Check whether 'this' shows up in the attributes of the given /// static member function. /// /// \returns true if an error occurred. bool checkThisInStaticMemberFunctionAttributes(CXXMethodDecl *Method); /// MaybeBindToTemporary - If the passed in expression has a record type with /// a non-trivial destructor, this will return CXXBindTemporaryExpr. Otherwise /// it simply returns the passed in expression. ExprResult MaybeBindToTemporary(Expr *E); /// Wrap the expression in a ConstantExpr if it is a potential immediate /// invocation. ExprResult CheckForImmediateInvocation(ExprResult E, FunctionDecl *Decl); bool CompleteConstructorCall(CXXConstructorDecl *Constructor, MultiExprArg ArgsPtr, SourceLocation Loc, SmallVectorImpl &ConvertedArgs, bool AllowExplicit = false, bool IsListInitialization = false); ParsedType getInheritingConstructorName(CXXScopeSpec &SS, SourceLocation NameLoc, IdentifierInfo &Name); ParsedType getConstructorName(IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, bool EnteringContext); ParsedType getDestructorName(SourceLocation TildeLoc, IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, ParsedType ObjectType, bool EnteringContext); ParsedType getDestructorTypeForDecltype(const DeclSpec &DS, ParsedType ObjectType); // Checks that reinterpret casts don't have undefined behavior. void CheckCompatibleReinterpretCast(QualType SrcType, QualType DestType, bool IsDereference, SourceRange Range); /// ActOnCXXNamedCast - Parse /// {dynamic,static,reinterpret,const,addrspace}_cast's. ExprResult ActOnCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind, SourceLocation LAngleBracketLoc, Declarator &D, SourceLocation RAngleBracketLoc, SourceLocation LParenLoc, Expr *E, SourceLocation RParenLoc); ExprResult BuildCXXNamedCast(SourceLocation OpLoc, tok::TokenKind Kind, TypeSourceInfo *Ty, Expr *E, SourceRange AngleBrackets, SourceRange Parens); ExprResult ActOnBuiltinBitCastExpr(SourceLocation KWLoc, Declarator &Dcl, ExprResult Operand, SourceLocation RParenLoc); ExprResult BuildBuiltinBitCastExpr(SourceLocation KWLoc, TypeSourceInfo *TSI, Expr *Operand, SourceLocation RParenLoc); ExprResult BuildCXXTypeId(QualType TypeInfoType, SourceLocation TypeidLoc, TypeSourceInfo *Operand, SourceLocation RParenLoc); ExprResult BuildCXXTypeId(QualType TypeInfoType, SourceLocation TypeidLoc, Expr *Operand, SourceLocation RParenLoc); /// ActOnCXXTypeid - Parse typeid( something ). ExprResult ActOnCXXTypeid(SourceLocation OpLoc, SourceLocation LParenLoc, bool isType, void *TyOrExpr, SourceLocation RParenLoc); ExprResult BuildCXXUuidof(QualType TypeInfoType, SourceLocation TypeidLoc, TypeSourceInfo *Operand, SourceLocation RParenLoc); ExprResult BuildCXXUuidof(QualType TypeInfoType, SourceLocation TypeidLoc, Expr *Operand, SourceLocation RParenLoc); /// ActOnCXXUuidof - Parse __uuidof( something ). ExprResult ActOnCXXUuidof(SourceLocation OpLoc, SourceLocation LParenLoc, bool isType, void *TyOrExpr, SourceLocation RParenLoc); /// Handle a C++1z fold-expression: ( expr op ... op expr ). ExprResult ActOnCXXFoldExpr(SourceLocation LParenLoc, Expr *LHS, tok::TokenKind Operator, SourceLocation EllipsisLoc, Expr *RHS, SourceLocation RParenLoc); ExprResult BuildCXXFoldExpr(SourceLocation LParenLoc, Expr *LHS, BinaryOperatorKind Operator, SourceLocation EllipsisLoc, Expr *RHS, SourceLocation RParenLoc, Optional NumExpansions); ExprResult BuildEmptyCXXFoldExpr(SourceLocation EllipsisLoc, BinaryOperatorKind Operator); //// ActOnCXXThis - Parse 'this' pointer. ExprResult ActOnCXXThis(SourceLocation loc); /// Build a CXXThisExpr and mark it referenced in the current context. Expr *BuildCXXThisExpr(SourceLocation Loc, QualType Type, bool IsImplicit); void MarkThisReferenced(CXXThisExpr *This); /// Try to retrieve the type of the 'this' pointer. /// /// \returns The type of 'this', if possible. Otherwise, returns a NULL type. QualType getCurrentThisType(); /// When non-NULL, the C++ 'this' expression is allowed despite the /// current context not being a non-static member function. In such cases, /// this provides the type used for 'this'. QualType CXXThisTypeOverride; /// RAII object used to temporarily allow the C++ 'this' expression /// to be used, with the given qualifiers on the current class type. class CXXThisScopeRAII { Sema &S; QualType OldCXXThisTypeOverride; bool Enabled; public: /// Introduce a new scope where 'this' may be allowed (when enabled), /// using the given declaration (which is either a class template or a /// class) along with the given qualifiers. /// along with the qualifiers placed on '*this'. CXXThisScopeRAII(Sema &S, Decl *ContextDecl, Qualifiers CXXThisTypeQuals, bool Enabled = true); ~CXXThisScopeRAII(); }; /// Make sure the value of 'this' is actually available in the current /// context, if it is a potentially evaluated context. /// /// \param Loc The location at which the capture of 'this' occurs. /// /// \param Explicit Whether 'this' is explicitly captured in a lambda /// capture list. /// /// \param FunctionScopeIndexToStopAt If non-null, it points to the index /// of the FunctionScopeInfo stack beyond which we do not attempt to capture. /// This is useful when enclosing lambdas must speculatively capture /// 'this' that may or may not be used in certain specializations of /// a nested generic lambda (depending on whether the name resolves to /// a non-static member function or a static function). /// \return returns 'true' if failed, 'false' if success. bool CheckCXXThisCapture(SourceLocation Loc, bool Explicit = false, bool BuildAndDiagnose = true, const unsigned *const FunctionScopeIndexToStopAt = nullptr, bool ByCopy = false); /// Determine whether the given type is the type of *this that is used /// outside of the body of a member function for a type that is currently /// being defined. bool isThisOutsideMemberFunctionBody(QualType BaseType); /// ActOnCXXBoolLiteral - Parse {true,false} literals. ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); /// ActOnObjCBoolLiteral - Parse {__objc_yes,__objc_no} literals. ExprResult ActOnObjCBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind); ExprResult ActOnObjCAvailabilityCheckExpr(llvm::ArrayRef AvailSpecs, SourceLocation AtLoc, SourceLocation RParen); /// ActOnCXXNullPtrLiteral - Parse 'nullptr'. ExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc); //// ActOnCXXThrow - Parse throw expressions. ExprResult ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *expr); ExprResult BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, bool IsThrownVarInScope); bool CheckCXXThrowOperand(SourceLocation ThrowLoc, QualType ThrowTy, Expr *E); /// ActOnCXXTypeConstructExpr - Parse construction of a specified type. /// Can be interpreted either as function-style casting ("int(x)") /// or class type construction ("ClassType(x,y,z)") /// or creation of a value-initialized type ("int()"). ExprResult ActOnCXXTypeConstructExpr(ParsedType TypeRep, SourceLocation LParenOrBraceLoc, MultiExprArg Exprs, SourceLocation RParenOrBraceLoc, bool ListInitialization); ExprResult BuildCXXTypeConstructExpr(TypeSourceInfo *Type, SourceLocation LParenLoc, MultiExprArg Exprs, SourceLocation RParenLoc, bool ListInitialization); /// ActOnCXXNew - Parsed a C++ 'new' expression. ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, SourceLocation PlacementLParen, MultiExprArg PlacementArgs, SourceLocation PlacementRParen, SourceRange TypeIdParens, Declarator &D, Expr *Initializer); ExprResult BuildCXXNew(SourceRange Range, bool UseGlobal, SourceLocation PlacementLParen, MultiExprArg PlacementArgs, SourceLocation PlacementRParen, SourceRange TypeIdParens, QualType AllocType, TypeSourceInfo *AllocTypeInfo, Optional ArraySize, SourceRange DirectInitRange, Expr *Initializer); /// Determine whether \p FD is an aligned allocation or deallocation /// function that is unavailable. bool isUnavailableAlignedAllocationFunction(const FunctionDecl &FD) const; /// Produce diagnostics if \p FD is an aligned allocation or deallocation /// function that is unavailable. void diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, SourceLocation Loc); bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, SourceRange R); /// The scope in which to find allocation functions. enum AllocationFunctionScope { /// Only look for allocation functions in the global scope. AFS_Global, /// Only look for allocation functions in the scope of the /// allocated class. AFS_Class, /// Look for allocation functions in both the global scope /// and in the scope of the allocated class. AFS_Both }; /// Finds the overloads of operator new and delete that are appropriate /// for the allocation. bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, AllocationFunctionScope NewScope, AllocationFunctionScope DeleteScope, QualType AllocType, bool IsArray, bool &PassAlignment, MultiExprArg PlaceArgs, FunctionDecl *&OperatorNew, FunctionDecl *&OperatorDelete, bool Diagnose = true); void DeclareGlobalNewDelete(); void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, ArrayRef Params); bool FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, DeclarationName Name, FunctionDecl* &Operator, bool Diagnose = true); FunctionDecl *FindUsualDeallocationFunction(SourceLocation StartLoc, bool CanProvideSize, bool Overaligned, DeclarationName Name); FunctionDecl *FindDeallocationFunctionForDestructor(SourceLocation StartLoc, CXXRecordDecl *RD); /// ActOnCXXDelete - Parsed a C++ 'delete' expression ExprResult ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, bool ArrayForm, Expr *Operand); void CheckVirtualDtorCall(CXXDestructorDecl *dtor, SourceLocation Loc, bool IsDelete, bool CallCanBeVirtual, bool WarnOnNonAbstractTypes, SourceLocation DtorLoc); ExprResult ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation LParen, Expr *Operand, SourceLocation RParen); ExprResult BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, SourceLocation RParen); /// Parsed one of the type trait support pseudo-functions. ExprResult ActOnTypeTrait(TypeTrait Kind, SourceLocation KWLoc, ArrayRef Args, SourceLocation RParenLoc); ExprResult BuildTypeTrait(TypeTrait Kind, SourceLocation KWLoc, ArrayRef Args, SourceLocation RParenLoc); /// ActOnArrayTypeTrait - Parsed one of the binary type trait support /// pseudo-functions. ExprResult ActOnArrayTypeTrait(ArrayTypeTrait ATT, SourceLocation KWLoc, ParsedType LhsTy, Expr *DimExpr, SourceLocation RParen); ExprResult BuildArrayTypeTrait(ArrayTypeTrait ATT, SourceLocation KWLoc, TypeSourceInfo *TSInfo, Expr *DimExpr, SourceLocation RParen); /// ActOnExpressionTrait - Parsed one of the unary type trait support /// pseudo-functions. ExprResult ActOnExpressionTrait(ExpressionTrait OET, SourceLocation KWLoc, Expr *Queried, SourceLocation RParen); ExprResult BuildExpressionTrait(ExpressionTrait OET, SourceLocation KWLoc, Expr *Queried, SourceLocation RParen); ExprResult ActOnStartCXXMemberReference(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, ParsedType &ObjectType, bool &MayBePseudoDestructor); ExprResult BuildPseudoDestructorExpr(Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, const CXXScopeSpec &SS, TypeSourceInfo *ScopeType, SourceLocation CCLoc, SourceLocation TildeLoc, PseudoDestructorTypeStorage DestroyedType); ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, CXXScopeSpec &SS, UnqualifiedId &FirstTypeName, SourceLocation CCLoc, SourceLocation TildeLoc, UnqualifiedId &SecondTypeName); ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, SourceLocation TildeLoc, const DeclSpec& DS); /// MaybeCreateExprWithCleanups - If the current full-expression /// requires any cleanups, surround it with a ExprWithCleanups node. /// Otherwise, just returns the passed-in expression. Expr *MaybeCreateExprWithCleanups(Expr *SubExpr); Stmt *MaybeCreateStmtWithCleanups(Stmt *SubStmt); ExprResult MaybeCreateExprWithCleanups(ExprResult SubExpr); MaterializeTemporaryExpr * CreateMaterializeTemporaryExpr(QualType T, Expr *Temporary, bool BoundToLvalueReference); ExprResult ActOnFinishFullExpr(Expr *Expr, bool DiscardedValue) { return ActOnFinishFullExpr( Expr, Expr ? Expr->getExprLoc() : SourceLocation(), DiscardedValue); } ExprResult ActOnFinishFullExpr(Expr *Expr, SourceLocation CC, bool DiscardedValue, bool IsConstexpr = false); StmtResult ActOnFinishFullStmt(Stmt *Stmt); // Marks SS invalid if it represents an incomplete type. bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC); DeclContext *computeDeclContext(QualType T); DeclContext *computeDeclContext(const CXXScopeSpec &SS, bool EnteringContext = false); bool isDependentScopeSpecifier(const CXXScopeSpec &SS); CXXRecordDecl *getCurrentInstantiationOf(NestedNameSpecifier *NNS); /// The parser has parsed a global nested-name-specifier '::'. /// /// \param CCLoc The location of the '::'. /// /// \param SS The nested-name-specifier, which will be updated in-place /// to reflect the parsed nested-name-specifier. /// /// \returns true if an error occurred, false otherwise. bool ActOnCXXGlobalScopeSpecifier(SourceLocation CCLoc, CXXScopeSpec &SS); /// The parser has parsed a '__super' nested-name-specifier. /// /// \param SuperLoc The location of the '__super' keyword. /// /// \param ColonColonLoc The location of the '::'. /// /// \param SS The nested-name-specifier, which will be updated in-place /// to reflect the parsed nested-name-specifier. /// /// \returns true if an error occurred, false otherwise. bool ActOnSuperScopeSpecifier(SourceLocation SuperLoc, SourceLocation ColonColonLoc, CXXScopeSpec &SS); bool isAcceptableNestedNameSpecifier(const NamedDecl *SD, bool *CanCorrect = nullptr); NamedDecl *FindFirstQualifierInScope(Scope *S, NestedNameSpecifier *NNS); /// Keeps information about an identifier in a nested-name-spec. /// struct NestedNameSpecInfo { /// The type of the object, if we're parsing nested-name-specifier in /// a member access expression. ParsedType ObjectType; /// The identifier preceding the '::'. IdentifierInfo *Identifier; /// The location of the identifier. SourceLocation IdentifierLoc; /// The location of the '::'. SourceLocation CCLoc; /// Creates info object for the most typical case. NestedNameSpecInfo(IdentifierInfo *II, SourceLocation IdLoc, SourceLocation ColonColonLoc, ParsedType ObjectType = ParsedType()) : ObjectType(ObjectType), Identifier(II), IdentifierLoc(IdLoc), CCLoc(ColonColonLoc) { } NestedNameSpecInfo(IdentifierInfo *II, SourceLocation IdLoc, SourceLocation ColonColonLoc, QualType ObjectType) : ObjectType(ParsedType::make(ObjectType)), Identifier(II), IdentifierLoc(IdLoc), CCLoc(ColonColonLoc) { } }; bool isNonTypeNestedNameSpecifier(Scope *S, CXXScopeSpec &SS, NestedNameSpecInfo &IdInfo); bool BuildCXXNestedNameSpecifier(Scope *S, NestedNameSpecInfo &IdInfo, bool EnteringContext, CXXScopeSpec &SS, NamedDecl *ScopeLookupResult, bool ErrorRecoveryLookup, bool *IsCorrectedToColon = nullptr, bool OnlyNamespace = false); /// The parser has parsed a nested-name-specifier 'identifier::'. /// /// \param S The scope in which this nested-name-specifier occurs. /// /// \param IdInfo Parser information about an identifier in the /// nested-name-spec. /// /// \param EnteringContext Whether we're entering the context nominated by /// this nested-name-specifier. /// /// \param SS The nested-name-specifier, which is both an input /// parameter (the nested-name-specifier before this type) and an /// output parameter (containing the full nested-name-specifier, /// including this new type). /// /// \param ErrorRecoveryLookup If true, then this method is called to improve /// error recovery. In this case do not emit error message. /// /// \param IsCorrectedToColon If not null, suggestions to replace '::' -> ':' /// are allowed. The bool value pointed by this parameter is set to 'true' /// if the identifier is treated as if it was followed by ':', not '::'. /// /// \param OnlyNamespace If true, only considers namespaces in lookup. /// /// \returns true if an error occurred, false otherwise. bool ActOnCXXNestedNameSpecifier(Scope *S, NestedNameSpecInfo &IdInfo, bool EnteringContext, CXXScopeSpec &SS, bool ErrorRecoveryLookup = false, bool *IsCorrectedToColon = nullptr, bool OnlyNamespace = false); ExprResult ActOnDecltypeExpression(Expr *E); bool ActOnCXXNestedNameSpecifierDecltype(CXXScopeSpec &SS, const DeclSpec &DS, SourceLocation ColonColonLoc); bool IsInvalidUnlessNestedName(Scope *S, CXXScopeSpec &SS, NestedNameSpecInfo &IdInfo, bool EnteringContext); /// The parser has parsed a nested-name-specifier /// 'template[opt] template-name < template-args >::'. /// /// \param S The scope in which this nested-name-specifier occurs. /// /// \param SS The nested-name-specifier, which is both an input /// parameter (the nested-name-specifier before this type) and an /// output parameter (containing the full nested-name-specifier, /// including this new type). /// /// \param TemplateKWLoc the location of the 'template' keyword, if any. /// \param TemplateName the template name. /// \param TemplateNameLoc The location of the template name. /// \param LAngleLoc The location of the opening angle bracket ('<'). /// \param TemplateArgs The template arguments. /// \param RAngleLoc The location of the closing angle bracket ('>'). /// \param CCLoc The location of the '::'. /// /// \param EnteringContext Whether we're entering the context of the /// nested-name-specifier. /// /// /// \returns true if an error occurred, false otherwise. bool ActOnCXXNestedNameSpecifier(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy TemplateName, SourceLocation TemplateNameLoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, SourceLocation CCLoc, bool EnteringContext); /// Given a C++ nested-name-specifier, produce an annotation value /// that the parser can use later to reconstruct the given /// nested-name-specifier. /// /// \param SS A nested-name-specifier. /// /// \returns A pointer containing all of the information in the /// nested-name-specifier \p SS. void *SaveNestedNameSpecifierAnnotation(CXXScopeSpec &SS); /// Given an annotation pointer for a nested-name-specifier, restore /// the nested-name-specifier structure. /// /// \param Annotation The annotation pointer, produced by /// \c SaveNestedNameSpecifierAnnotation(). /// /// \param AnnotationRange The source range corresponding to the annotation. /// /// \param SS The nested-name-specifier that will be updated with the contents /// of the annotation pointer. void RestoreNestedNameSpecifierAnnotation(void *Annotation, SourceRange AnnotationRange, CXXScopeSpec &SS); bool ShouldEnterDeclaratorScope(Scope *S, const CXXScopeSpec &SS); /// ActOnCXXEnterDeclaratorScope - Called when a C++ scope specifier (global /// scope or nested-name-specifier) is parsed, part of a declarator-id. /// After this method is called, according to [C++ 3.4.3p3], names should be /// looked up in the declarator-id's scope, until the declarator is parsed and /// ActOnCXXExitDeclaratorScope is called. /// The 'SS' should be a non-empty valid CXXScopeSpec. bool ActOnCXXEnterDeclaratorScope(Scope *S, CXXScopeSpec &SS); /// ActOnCXXExitDeclaratorScope - Called when a declarator that previously /// invoked ActOnCXXEnterDeclaratorScope(), is finished. 'SS' is the same /// CXXScopeSpec that was passed to ActOnCXXEnterDeclaratorScope as well. /// Used to indicate that names should revert to being looked up in the /// defining scope. void ActOnCXXExitDeclaratorScope(Scope *S, const CXXScopeSpec &SS); /// ActOnCXXEnterDeclInitializer - Invoked when we are about to parse an /// initializer for the declaration 'Dcl'. /// After this method is called, according to [C++ 3.4.1p13], if 'Dcl' is a /// static data member of class X, names should be looked up in the scope of /// class X. void ActOnCXXEnterDeclInitializer(Scope *S, Decl *Dcl); /// ActOnCXXExitDeclInitializer - Invoked after we are finished parsing an /// initializer for the declaration 'Dcl'. void ActOnCXXExitDeclInitializer(Scope *S, Decl *Dcl); /// Create a new lambda closure type. CXXRecordDecl *createLambdaClosureType(SourceRange IntroducerRange, TypeSourceInfo *Info, bool KnownDependent, LambdaCaptureDefault CaptureDefault); /// Start the definition of a lambda expression. CXXMethodDecl *startLambdaDefinition(CXXRecordDecl *Class, SourceRange IntroducerRange, TypeSourceInfo *MethodType, SourceLocation EndLoc, ArrayRef Params, ConstexprSpecKind ConstexprKind, Expr *TrailingRequiresClause); /// Number lambda for linkage purposes if necessary. void handleLambdaNumbering( CXXRecordDecl *Class, CXXMethodDecl *Method, Optional> Mangling = None); /// Endow the lambda scope info with the relevant properties. void buildLambdaScope(sema::LambdaScopeInfo *LSI, CXXMethodDecl *CallOperator, SourceRange IntroducerRange, LambdaCaptureDefault CaptureDefault, SourceLocation CaptureDefaultLoc, bool ExplicitParams, bool ExplicitResultType, bool Mutable); /// Perform initialization analysis of the init-capture and perform /// any implicit conversions such as an lvalue-to-rvalue conversion if /// not being used to initialize a reference. ParsedType actOnLambdaInitCaptureInitialization( SourceLocation Loc, bool ByRef, SourceLocation EllipsisLoc, IdentifierInfo *Id, LambdaCaptureInitKind InitKind, Expr *&Init) { return ParsedType::make(buildLambdaInitCaptureInitialization( Loc, ByRef, EllipsisLoc, None, Id, InitKind != LambdaCaptureInitKind::CopyInit, Init)); } QualType buildLambdaInitCaptureInitialization( SourceLocation Loc, bool ByRef, SourceLocation EllipsisLoc, Optional NumExpansions, IdentifierInfo *Id, bool DirectInit, Expr *&Init); /// Create a dummy variable within the declcontext of the lambda's /// call operator, for name lookup purposes for a lambda init capture. /// /// CodeGen handles emission of lambda captures, ignoring these dummy /// variables appropriately. VarDecl *createLambdaInitCaptureVarDecl(SourceLocation Loc, QualType InitCaptureType, SourceLocation EllipsisLoc, IdentifierInfo *Id, unsigned InitStyle, Expr *Init); /// Add an init-capture to a lambda scope. void addInitCapture(sema::LambdaScopeInfo *LSI, VarDecl *Var); /// Note that we have finished the explicit captures for the /// given lambda. void finishLambdaExplicitCaptures(sema::LambdaScopeInfo *LSI); /// \brief This is called after parsing the explicit template parameter list /// on a lambda (if it exists) in C++2a. void ActOnLambdaExplicitTemplateParameterList(SourceLocation LAngleLoc, ArrayRef TParams, SourceLocation RAngleLoc); /// Introduce the lambda parameters into scope. void addLambdaParameters( ArrayRef Captures, CXXMethodDecl *CallOperator, Scope *CurScope); /// Deduce a block or lambda's return type based on the return /// statements present in the body. void deduceClosureReturnType(sema::CapturingScopeInfo &CSI); /// ActOnStartOfLambdaDefinition - This is called just before we start /// parsing the body of a lambda; it analyzes the explicit captures and /// arguments, and sets up various data-structures for the body of the /// lambda. void ActOnStartOfLambdaDefinition(LambdaIntroducer &Intro, Declarator &ParamInfo, Scope *CurScope); /// ActOnLambdaError - If there is an error parsing a lambda, this callback /// is invoked to pop the information about the lambda. void ActOnLambdaError(SourceLocation StartLoc, Scope *CurScope, bool IsInstantiation = false); /// ActOnLambdaExpr - This is called when the body of a lambda expression /// was successfully completed. ExprResult ActOnLambdaExpr(SourceLocation StartLoc, Stmt *Body, Scope *CurScope); /// Does copying/destroying the captured variable have side effects? bool CaptureHasSideEffects(const sema::Capture &From); /// Diagnose if an explicit lambda capture is unused. Returns true if a /// diagnostic is emitted. bool DiagnoseUnusedLambdaCapture(SourceRange CaptureRange, const sema::Capture &From); /// Build a FieldDecl suitable to hold the given capture. FieldDecl *BuildCaptureField(RecordDecl *RD, const sema::Capture &Capture); /// Initialize the given capture with a suitable expression. ExprResult BuildCaptureInit(const sema::Capture &Capture, SourceLocation ImplicitCaptureLoc, bool IsOpenMPMapping = false); /// Complete a lambda-expression having processed and attached the /// lambda body. ExprResult BuildLambdaExpr(SourceLocation StartLoc, SourceLocation EndLoc, sema::LambdaScopeInfo *LSI); /// Get the return type to use for a lambda's conversion function(s) to /// function pointer type, given the type of the call operator. QualType getLambdaConversionFunctionResultType(const FunctionProtoType *CallOpType); /// Define the "body" of the conversion from a lambda object to a /// function pointer. /// /// This routine doesn't actually define a sensible body; rather, it fills /// in the initialization expression needed to copy the lambda object into /// the block, and IR generation actually generates the real body of the /// block pointer conversion. void DefineImplicitLambdaToFunctionPointerConversion( SourceLocation CurrentLoc, CXXConversionDecl *Conv); /// Define the "body" of the conversion from a lambda object to a /// block pointer. /// /// This routine doesn't actually define a sensible body; rather, it fills /// in the initialization expression needed to copy the lambda object into /// the block, and IR generation actually generates the real body of the /// block pointer conversion. void DefineImplicitLambdaToBlockPointerConversion(SourceLocation CurrentLoc, CXXConversionDecl *Conv); ExprResult BuildBlockForLambdaConversion(SourceLocation CurrentLocation, SourceLocation ConvLocation, CXXConversionDecl *Conv, Expr *Src); /// Check whether the given expression is a valid constraint expression. /// A diagnostic is emitted if it is not, false is returned, and /// PossibleNonPrimary will be set to true if the failure might be due to a /// non-primary expression being used as an atomic constraint. bool CheckConstraintExpression(const Expr *CE, Token NextToken = Token(), bool *PossibleNonPrimary = nullptr, bool IsTrailingRequiresClause = false); private: /// Caches pairs of template-like decls whose associated constraints were /// checked for subsumption and whether or not the first's constraints did in /// fact subsume the second's. llvm::DenseMap, bool> SubsumptionCache; /// Caches the normalized associated constraints of declarations (concepts or /// constrained declarations). If an error occurred while normalizing the /// associated constraints of the template or concept, nullptr will be cached /// here. llvm::DenseMap NormalizationCache; llvm::ContextualFoldingSet SatisfactionCache; public: const NormalizedConstraint * getNormalizedAssociatedConstraints( NamedDecl *ConstrainedDecl, ArrayRef AssociatedConstraints); /// \brief Check whether the given declaration's associated constraints are /// at least as constrained than another declaration's according to the /// partial ordering of constraints. /// /// \param Result If no error occurred, receives the result of true if D1 is /// at least constrained than D2, and false otherwise. /// /// \returns true if an error occurred, false otherwise. bool IsAtLeastAsConstrained(NamedDecl *D1, ArrayRef AC1, NamedDecl *D2, ArrayRef AC2, bool &Result); /// If D1 was not at least as constrained as D2, but would've been if a pair /// of atomic constraints involved had been declared in a concept and not /// repeated in two separate places in code. /// \returns true if such a diagnostic was emitted, false otherwise. bool MaybeEmitAmbiguousAtomicConstraintsDiagnostic(NamedDecl *D1, ArrayRef AC1, NamedDecl *D2, ArrayRef AC2); /// \brief Check whether the given list of constraint expressions are /// satisfied (as if in a 'conjunction') given template arguments. /// \param Template the template-like entity that triggered the constraints /// check (either a concept or a constrained entity). /// \param ConstraintExprs a list of constraint expressions, treated as if /// they were 'AND'ed together. /// \param TemplateArgs the list of template arguments to substitute into the /// constraint expression. /// \param TemplateIDRange The source range of the template id that /// caused the constraints check. /// \param Satisfaction if true is returned, will contain details of the /// satisfaction, with enough information to diagnose an unsatisfied /// expression. /// \returns true if an error occurred and satisfaction could not be checked, /// false otherwise. bool CheckConstraintSatisfaction( const NamedDecl *Template, ArrayRef ConstraintExprs, ArrayRef TemplateArgs, SourceRange TemplateIDRange, ConstraintSatisfaction &Satisfaction); /// \brief Check whether the given non-dependent constraint expression is /// satisfied. Returns false and updates Satisfaction with the satisfaction /// verdict if successful, emits a diagnostic and returns true if an error /// occured and satisfaction could not be determined. /// /// \returns true if an error occurred, false otherwise. bool CheckConstraintSatisfaction(const Expr *ConstraintExpr, ConstraintSatisfaction &Satisfaction); /// Check whether the given function decl's trailing requires clause is /// satisfied, if any. Returns false and updates Satisfaction with the /// satisfaction verdict if successful, emits a diagnostic and returns true if /// an error occured and satisfaction could not be determined. /// /// \returns true if an error occurred, false otherwise. bool CheckFunctionConstraints(const FunctionDecl *FD, ConstraintSatisfaction &Satisfaction, SourceLocation UsageLoc = SourceLocation()); /// \brief Ensure that the given template arguments satisfy the constraints /// associated with the given template, emitting a diagnostic if they do not. /// /// \param Template The template to which the template arguments are being /// provided. /// /// \param TemplateArgs The converted, canonicalized template arguments. /// /// \param TemplateIDRange The source range of the template id that /// caused the constraints check. /// /// \returns true if the constrains are not satisfied or could not be checked /// for satisfaction, false if the constraints are satisfied. bool EnsureTemplateArgumentListConstraints(TemplateDecl *Template, ArrayRef TemplateArgs, SourceRange TemplateIDRange); /// \brief Emit diagnostics explaining why a constraint expression was deemed /// unsatisfied. /// \param First whether this is the first time an unsatisfied constraint is /// diagnosed for this error. void DiagnoseUnsatisfiedConstraint(const ConstraintSatisfaction &Satisfaction, bool First = true); /// \brief Emit diagnostics explaining why a constraint expression was deemed /// unsatisfied. void DiagnoseUnsatisfiedConstraint(const ASTConstraintSatisfaction &Satisfaction, bool First = true); /// \brief Emit diagnostics explaining why a constraint expression was deemed /// unsatisfied because it was ill-formed. void DiagnoseUnsatisfiedIllFormedConstraint(SourceLocation DiagnosticLocation, StringRef Diagnostic); void DiagnoseRedeclarationConstraintMismatch(SourceLocation Old, SourceLocation New); // ParseObjCStringLiteral - Parse Objective-C string literals. ExprResult ParseObjCStringLiteral(SourceLocation *AtLocs, ArrayRef Strings); ExprResult BuildObjCStringLiteral(SourceLocation AtLoc, StringLiteral *S); /// BuildObjCNumericLiteral - builds an ObjCBoxedExpr AST node for the /// numeric literal expression. Type of the expression will be "NSNumber *" /// or "id" if NSNumber is unavailable. ExprResult BuildObjCNumericLiteral(SourceLocation AtLoc, Expr *Number); ExprResult ActOnObjCBoolLiteral(SourceLocation AtLoc, SourceLocation ValueLoc, bool Value); ExprResult BuildObjCArrayLiteral(SourceRange SR, MultiExprArg Elements); /// BuildObjCBoxedExpr - builds an ObjCBoxedExpr AST node for the /// '@' prefixed parenthesized expression. The type of the expression will /// either be "NSNumber *", "NSString *" or "NSValue *" depending on the type /// of ValueType, which is allowed to be a built-in numeric type, "char *", /// "const char *" or C structure with attribute 'objc_boxable'. ExprResult BuildObjCBoxedExpr(SourceRange SR, Expr *ValueExpr); ExprResult BuildObjCSubscriptExpression(SourceLocation RB, Expr *BaseExpr, Expr *IndexExpr, ObjCMethodDecl *getterMethod, ObjCMethodDecl *setterMethod); ExprResult BuildObjCDictionaryLiteral(SourceRange SR, MutableArrayRef Elements); ExprResult BuildObjCEncodeExpression(SourceLocation AtLoc, TypeSourceInfo *EncodedTypeInfo, SourceLocation RParenLoc); ExprResult BuildCXXMemberCallExpr(Expr *Exp, NamedDecl *FoundDecl, CXXConversionDecl *Method, bool HadMultipleCandidates); ExprResult ParseObjCEncodeExpression(SourceLocation AtLoc, SourceLocation EncodeLoc, SourceLocation LParenLoc, ParsedType Ty, SourceLocation RParenLoc); /// ParseObjCSelectorExpression - Build selector expression for \@selector ExprResult ParseObjCSelectorExpression(Selector Sel, SourceLocation AtLoc, SourceLocation SelLoc, SourceLocation LParenLoc, SourceLocation RParenLoc, bool WarnMultipleSelectors); /// ParseObjCProtocolExpression - Build protocol expression for \@protocol ExprResult ParseObjCProtocolExpression(IdentifierInfo * ProtocolName, SourceLocation AtLoc, SourceLocation ProtoLoc, SourceLocation LParenLoc, SourceLocation ProtoIdLoc, SourceLocation RParenLoc); //===--------------------------------------------------------------------===// // C++ Declarations // Decl *ActOnStartLinkageSpecification(Scope *S, SourceLocation ExternLoc, Expr *LangStr, SourceLocation LBraceLoc); Decl *ActOnFinishLinkageSpecification(Scope *S, Decl *LinkageSpec, SourceLocation RBraceLoc); //===--------------------------------------------------------------------===// // C++ Classes // CXXRecordDecl *getCurrentClass(Scope *S, const CXXScopeSpec *SS); bool isCurrentClassName(const IdentifierInfo &II, Scope *S, const CXXScopeSpec *SS = nullptr); bool isCurrentClassNameTypo(IdentifierInfo *&II, const CXXScopeSpec *SS); bool ActOnAccessSpecifier(AccessSpecifier Access, SourceLocation ASLoc, SourceLocation ColonLoc, const ParsedAttributesView &Attrs); NamedDecl *ActOnCXXMemberDeclarator(Scope *S, AccessSpecifier AS, Declarator &D, MultiTemplateParamsArg TemplateParameterLists, Expr *BitfieldWidth, const VirtSpecifiers &VS, InClassInitStyle InitStyle); void ActOnStartCXXInClassMemberInitializer(); void ActOnFinishCXXInClassMemberInitializer(Decl *VarDecl, SourceLocation EqualLoc, Expr *Init); MemInitResult ActOnMemInitializer(Decl *ConstructorD, Scope *S, CXXScopeSpec &SS, IdentifierInfo *MemberOrBase, ParsedType TemplateTypeTy, const DeclSpec &DS, SourceLocation IdLoc, SourceLocation LParenLoc, ArrayRef Args, SourceLocation RParenLoc, SourceLocation EllipsisLoc); MemInitResult ActOnMemInitializer(Decl *ConstructorD, Scope *S, CXXScopeSpec &SS, IdentifierInfo *MemberOrBase, ParsedType TemplateTypeTy, const DeclSpec &DS, SourceLocation IdLoc, Expr *InitList, SourceLocation EllipsisLoc); MemInitResult BuildMemInitializer(Decl *ConstructorD, Scope *S, CXXScopeSpec &SS, IdentifierInfo *MemberOrBase, ParsedType TemplateTypeTy, const DeclSpec &DS, SourceLocation IdLoc, Expr *Init, SourceLocation EllipsisLoc); MemInitResult BuildMemberInitializer(ValueDecl *Member, Expr *Init, SourceLocation IdLoc); MemInitResult BuildBaseInitializer(QualType BaseType, TypeSourceInfo *BaseTInfo, Expr *Init, CXXRecordDecl *ClassDecl, SourceLocation EllipsisLoc); MemInitResult BuildDelegatingInitializer(TypeSourceInfo *TInfo, Expr *Init, CXXRecordDecl *ClassDecl); bool SetDelegatingInitializer(CXXConstructorDecl *Constructor, CXXCtorInitializer *Initializer); bool SetCtorInitializers(CXXConstructorDecl *Constructor, bool AnyErrors, ArrayRef Initializers = None); void SetIvarInitializers(ObjCImplementationDecl *ObjCImplementation); /// MarkBaseAndMemberDestructorsReferenced - Given a record decl, /// mark all the non-trivial destructors of its members and bases as /// referenced. void MarkBaseAndMemberDestructorsReferenced(SourceLocation Loc, CXXRecordDecl *Record); /// Mark destructors of virtual bases of this class referenced. In the Itanium /// C++ ABI, this is done when emitting a destructor for any non-abstract /// class. In the Microsoft C++ ABI, this is done any time a class's /// destructor is referenced. void MarkVirtualBaseDestructorsReferenced( SourceLocation Location, CXXRecordDecl *ClassDecl, llvm::SmallPtrSetImpl *DirectVirtualBases = nullptr); /// Do semantic checks to allow the complete destructor variant to be emitted /// when the destructor is defined in another translation unit. In the Itanium /// C++ ABI, destructor variants are emitted together. In the MS C++ ABI, they /// can be emitted in separate TUs. To emit the complete variant, run a subset /// of the checks performed when emitting a regular destructor. void CheckCompleteDestructorVariant(SourceLocation CurrentLocation, CXXDestructorDecl *Dtor); /// The list of classes whose vtables have been used within /// this translation unit, and the source locations at which the /// first use occurred. typedef std::pair VTableUse; /// The list of vtables that are required but have not yet been /// materialized. SmallVector VTableUses; /// The set of classes whose vtables have been used within /// this translation unit, and a bit that will be true if the vtable is /// required to be emitted (otherwise, it should be emitted only if needed /// by code generation). llvm::DenseMap VTablesUsed; /// Load any externally-stored vtable uses. void LoadExternalVTableUses(); /// Note that the vtable for the given class was used at the /// given location. void MarkVTableUsed(SourceLocation Loc, CXXRecordDecl *Class, bool DefinitionRequired = false); /// Mark the exception specifications of all virtual member functions /// in the given class as needed. void MarkVirtualMemberExceptionSpecsNeeded(SourceLocation Loc, const CXXRecordDecl *RD); /// MarkVirtualMembersReferenced - Will mark all members of the given /// CXXRecordDecl referenced. void MarkVirtualMembersReferenced(SourceLocation Loc, const CXXRecordDecl *RD, bool ConstexprOnly = false); /// Define all of the vtables that have been used in this /// translation unit and reference any virtual members used by those /// vtables. /// /// \returns true if any work was done, false otherwise. bool DefineUsedVTables(); void AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl); void ActOnMemInitializers(Decl *ConstructorDecl, SourceLocation ColonLoc, ArrayRef MemInits, bool AnyErrors); /// Check class-level dllimport/dllexport attribute. The caller must /// ensure that referenceDLLExportedClassMethods is called some point later /// when all outer classes of Class are complete. void checkClassLevelDLLAttribute(CXXRecordDecl *Class); void checkClassLevelCodeSegAttribute(CXXRecordDecl *Class); void referenceDLLExportedClassMethods(); void propagateDLLAttrToBaseClassTemplate( CXXRecordDecl *Class, Attr *ClassAttr, ClassTemplateSpecializationDecl *BaseTemplateSpec, SourceLocation BaseLoc); /// Add gsl::Pointer attribute to std::container::iterator /// \param ND The declaration that introduces the name /// std::container::iterator. \param UnderlyingRecord The record named by ND. void inferGslPointerAttribute(NamedDecl *ND, CXXRecordDecl *UnderlyingRecord); /// Add [[gsl::Owner]] and [[gsl::Pointer]] attributes for std:: types. void inferGslOwnerPointerAttribute(CXXRecordDecl *Record); /// Add [[gsl::Pointer]] attributes for std:: types. void inferGslPointerAttribute(TypedefNameDecl *TD); void CheckCompletedCXXClass(Scope *S, CXXRecordDecl *Record); /// Check that the C++ class annoated with "trivial_abi" satisfies all the /// conditions that are needed for the attribute to have an effect. void checkIllFormedTrivialABIStruct(CXXRecordDecl &RD); void ActOnFinishCXXMemberSpecification(Scope *S, SourceLocation RLoc, Decl *TagDecl, SourceLocation LBrac, SourceLocation RBrac, const ParsedAttributesView &AttrList); void ActOnFinishCXXMemberDecls(); void ActOnFinishCXXNonNestedClass(); void ActOnReenterCXXMethodParameter(Scope *S, ParmVarDecl *Param); unsigned ActOnReenterTemplateScope(Scope *S, Decl *Template); void ActOnStartDelayedMemberDeclarations(Scope *S, Decl *Record); void ActOnStartDelayedCXXMethodDeclaration(Scope *S, Decl *Method); void ActOnDelayedCXXMethodParameter(Scope *S, Decl *Param); void ActOnFinishDelayedMemberDeclarations(Scope *S, Decl *Record); void ActOnFinishDelayedCXXMethodDeclaration(Scope *S, Decl *Method); void ActOnFinishDelayedMemberInitializers(Decl *Record); void MarkAsLateParsedTemplate(FunctionDecl *FD, Decl *FnD, CachedTokens &Toks); void UnmarkAsLateParsedTemplate(FunctionDecl *FD); bool IsInsideALocalClassWithinATemplateFunction(); Decl *ActOnStaticAssertDeclaration(SourceLocation StaticAssertLoc, Expr *AssertExpr, Expr *AssertMessageExpr, SourceLocation RParenLoc); Decl *BuildStaticAssertDeclaration(SourceLocation StaticAssertLoc, Expr *AssertExpr, StringLiteral *AssertMessageExpr, SourceLocation RParenLoc, bool Failed); FriendDecl *CheckFriendTypeDecl(SourceLocation LocStart, SourceLocation FriendLoc, TypeSourceInfo *TSInfo); Decl *ActOnFriendTypeDecl(Scope *S, const DeclSpec &DS, MultiTemplateParamsArg TemplateParams); NamedDecl *ActOnFriendFunctionDecl(Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParams); QualType CheckConstructorDeclarator(Declarator &D, QualType R, StorageClass& SC); void CheckConstructor(CXXConstructorDecl *Constructor); QualType CheckDestructorDeclarator(Declarator &D, QualType R, StorageClass& SC); bool CheckDestructor(CXXDestructorDecl *Destructor); void CheckConversionDeclarator(Declarator &D, QualType &R, StorageClass& SC); Decl *ActOnConversionDeclarator(CXXConversionDecl *Conversion); void CheckDeductionGuideDeclarator(Declarator &D, QualType &R, StorageClass &SC); void CheckDeductionGuideTemplate(FunctionTemplateDecl *TD); void CheckExplicitlyDefaultedFunction(Scope *S, FunctionDecl *MD); bool CheckExplicitlyDefaultedSpecialMember(CXXMethodDecl *MD, CXXSpecialMember CSM); void CheckDelayedMemberExceptionSpecs(); bool CheckExplicitlyDefaultedComparison(Scope *S, FunctionDecl *MD, DefaultedComparisonKind DCK); void DeclareImplicitEqualityComparison(CXXRecordDecl *RD, FunctionDecl *Spaceship); void DefineDefaultedComparison(SourceLocation Loc, FunctionDecl *FD, DefaultedComparisonKind DCK); //===--------------------------------------------------------------------===// // C++ Derived Classes // /// ActOnBaseSpecifier - Parsed a base specifier CXXBaseSpecifier *CheckBaseSpecifier(CXXRecordDecl *Class, SourceRange SpecifierRange, bool Virtual, AccessSpecifier Access, TypeSourceInfo *TInfo, SourceLocation EllipsisLoc); BaseResult ActOnBaseSpecifier(Decl *classdecl, SourceRange SpecifierRange, ParsedAttributes &Attrs, bool Virtual, AccessSpecifier Access, ParsedType basetype, SourceLocation BaseLoc, SourceLocation EllipsisLoc); bool AttachBaseSpecifiers(CXXRecordDecl *Class, MutableArrayRef Bases); void ActOnBaseSpecifiers(Decl *ClassDecl, MutableArrayRef Bases); bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base); bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base, CXXBasePaths &Paths); // FIXME: I don't like this name. void BuildBasePathArray(const CXXBasePaths &Paths, CXXCastPath &BasePath); bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, SourceLocation Loc, SourceRange Range, CXXCastPath *BasePath = nullptr, bool IgnoreAccess = false); bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, unsigned InaccessibleBaseID, unsigned AmbiguousBaseConvID, SourceLocation Loc, SourceRange Range, DeclarationName Name, CXXCastPath *BasePath, bool IgnoreAccess = false); std::string getAmbiguousPathsDisplayString(CXXBasePaths &Paths); bool CheckOverridingFunctionAttributes(const CXXMethodDecl *New, const CXXMethodDecl *Old); /// CheckOverridingFunctionReturnType - Checks whether the return types are /// covariant, according to C++ [class.virtual]p5. bool CheckOverridingFunctionReturnType(const CXXMethodDecl *New, const CXXMethodDecl *Old); /// CheckOverridingFunctionExceptionSpec - Checks whether the exception /// spec is a subset of base spec. bool CheckOverridingFunctionExceptionSpec(const CXXMethodDecl *New, const CXXMethodDecl *Old); bool CheckPureMethod(CXXMethodDecl *Method, SourceRange InitRange); /// CheckOverrideControl - Check C++11 override control semantics. void CheckOverrideControl(NamedDecl *D); /// DiagnoseAbsenceOfOverrideControl - Diagnose if 'override' keyword was /// not used in the declaration of an overriding method. void DiagnoseAbsenceOfOverrideControl(NamedDecl *D); /// CheckForFunctionMarkedFinal - Checks whether a virtual member function /// overrides a virtual member function marked 'final', according to /// C++11 [class.virtual]p4. bool CheckIfOverriddenFunctionIsMarkedFinal(const CXXMethodDecl *New, const CXXMethodDecl *Old); //===--------------------------------------------------------------------===// // C++ Access Control // enum AccessResult { AR_accessible, AR_inaccessible, AR_dependent, AR_delayed }; bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, NamedDecl *PrevMemberDecl, AccessSpecifier LexicalAS); AccessResult CheckUnresolvedMemberAccess(UnresolvedMemberExpr *E, DeclAccessPair FoundDecl); AccessResult CheckUnresolvedLookupAccess(UnresolvedLookupExpr *E, DeclAccessPair FoundDecl); AccessResult CheckAllocationAccess(SourceLocation OperatorLoc, SourceRange PlacementRange, CXXRecordDecl *NamingClass, DeclAccessPair FoundDecl, bool Diagnose = true); AccessResult CheckConstructorAccess(SourceLocation Loc, CXXConstructorDecl *D, DeclAccessPair FoundDecl, const InitializedEntity &Entity, bool IsCopyBindingRefToTemp = false); AccessResult CheckConstructorAccess(SourceLocation Loc, CXXConstructorDecl *D, DeclAccessPair FoundDecl, const InitializedEntity &Entity, const PartialDiagnostic &PDiag); AccessResult CheckDestructorAccess(SourceLocation Loc, CXXDestructorDecl *Dtor, const PartialDiagnostic &PDiag, QualType objectType = QualType()); AccessResult CheckFriendAccess(NamedDecl *D); AccessResult CheckMemberAccess(SourceLocation UseLoc, CXXRecordDecl *NamingClass, DeclAccessPair Found); AccessResult CheckStructuredBindingMemberAccess(SourceLocation UseLoc, CXXRecordDecl *DecomposedClass, DeclAccessPair Field); AccessResult CheckMemberOperatorAccess(SourceLocation Loc, Expr *ObjectExpr, Expr *ArgExpr, DeclAccessPair FoundDecl); AccessResult CheckAddressOfMemberAccess(Expr *OvlExpr, DeclAccessPair FoundDecl); AccessResult CheckBaseClassAccess(SourceLocation AccessLoc, QualType Base, QualType Derived, const CXXBasePath &Path, unsigned DiagID, bool ForceCheck = false, bool ForceUnprivileged = false); void CheckLookupAccess(const LookupResult &R); bool IsSimplyAccessible(NamedDecl *Decl, CXXRecordDecl *NamingClass, QualType BaseType); bool isMemberAccessibleForDeletion(CXXRecordDecl *NamingClass, DeclAccessPair Found, QualType ObjectType, SourceLocation Loc, const PartialDiagnostic &Diag); bool isMemberAccessibleForDeletion(CXXRecordDecl *NamingClass, DeclAccessPair Found, QualType ObjectType) { return isMemberAccessibleForDeletion(NamingClass, Found, ObjectType, SourceLocation(), PDiag()); } void HandleDependentAccessCheck(const DependentDiagnostic &DD, const MultiLevelTemplateArgumentList &TemplateArgs); void PerformDependentDiagnostics(const DeclContext *Pattern, const MultiLevelTemplateArgumentList &TemplateArgs); void HandleDelayedAccessCheck(sema::DelayedDiagnostic &DD, Decl *Ctx); /// When true, access checking violations are treated as SFINAE /// failures rather than hard errors. bool AccessCheckingSFINAE; enum AbstractDiagSelID { AbstractNone = -1, AbstractReturnType, AbstractParamType, AbstractVariableType, AbstractFieldType, AbstractIvarType, AbstractSynthesizedIvarType, AbstractArrayType }; bool isAbstractType(SourceLocation Loc, QualType T); bool RequireNonAbstractType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser); template bool RequireNonAbstractType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args) { BoundTypeDiagnoser Diagnoser(DiagID, Args...); return RequireNonAbstractType(Loc, T, Diagnoser); } void DiagnoseAbstractType(const CXXRecordDecl *RD); //===--------------------------------------------------------------------===// // C++ Overloaded Operators [C++ 13.5] // bool CheckOverloadedOperatorDeclaration(FunctionDecl *FnDecl); bool CheckLiteralOperatorDeclaration(FunctionDecl *FnDecl); //===--------------------------------------------------------------------===// // C++ Templates [C++ 14] // void FilterAcceptableTemplateNames(LookupResult &R, bool AllowFunctionTemplates = true, bool AllowDependent = true); bool hasAnyAcceptableTemplateNames(LookupResult &R, bool AllowFunctionTemplates = true, bool AllowDependent = true, bool AllowNonTemplateFunctions = false); /// Try to interpret the lookup result D as a template-name. /// /// \param D A declaration found by name lookup. /// \param AllowFunctionTemplates Whether function templates should be /// considered valid results. /// \param AllowDependent Whether unresolved using declarations (that might /// name templates) should be considered valid results. NamedDecl *getAsTemplateNameDecl(NamedDecl *D, bool AllowFunctionTemplates = true, bool AllowDependent = true); enum TemplateNameIsRequiredTag { TemplateNameIsRequired }; /// Whether and why a template name is required in this lookup. class RequiredTemplateKind { public: /// Template name is required if TemplateKWLoc is valid. RequiredTemplateKind(SourceLocation TemplateKWLoc = SourceLocation()) : TemplateKW(TemplateKWLoc) {} /// Template name is unconditionally required. RequiredTemplateKind(TemplateNameIsRequiredTag) : TemplateKW() {} SourceLocation getTemplateKeywordLoc() const { return TemplateKW.getValueOr(SourceLocation()); } bool hasTemplateKeyword() const { return getTemplateKeywordLoc().isValid(); } bool isRequired() const { return TemplateKW != SourceLocation(); } explicit operator bool() const { return isRequired(); } private: llvm::Optional TemplateKW; }; enum class AssumedTemplateKind { /// This is not assumed to be a template name. None, /// This is assumed to be a template name because lookup found nothing. FoundNothing, /// This is assumed to be a template name because lookup found one or more /// functions (but no function templates). FoundFunctions, }; bool LookupTemplateName( LookupResult &R, Scope *S, CXXScopeSpec &SS, QualType ObjectType, bool EnteringContext, bool &MemberOfUnknownSpecialization, RequiredTemplateKind RequiredTemplate = SourceLocation(), AssumedTemplateKind *ATK = nullptr, bool AllowTypoCorrection = true); TemplateNameKind isTemplateName(Scope *S, CXXScopeSpec &SS, bool hasTemplateKeyword, const UnqualifiedId &Name, ParsedType ObjectType, bool EnteringContext, TemplateTy &Template, bool &MemberOfUnknownSpecialization, bool Disambiguation = false); /// Try to resolve an undeclared template name as a type template. /// /// Sets II to the identifier corresponding to the template name, and updates /// Name to a corresponding (typo-corrected) type template name and TNK to /// the corresponding kind, if possible. void ActOnUndeclaredTypeTemplateName(Scope *S, TemplateTy &Name, TemplateNameKind &TNK, SourceLocation NameLoc, IdentifierInfo *&II); bool resolveAssumedTemplateNameAsType(Scope *S, TemplateName &Name, SourceLocation NameLoc, bool Diagnose = true); /// Determine whether a particular identifier might be the name in a C++1z /// deduction-guide declaration. bool isDeductionGuideName(Scope *S, const IdentifierInfo &Name, SourceLocation NameLoc, ParsedTemplateTy *Template = nullptr); bool DiagnoseUnknownTemplateName(const IdentifierInfo &II, SourceLocation IILoc, Scope *S, const CXXScopeSpec *SS, TemplateTy &SuggestedTemplate, TemplateNameKind &SuggestedKind); bool DiagnoseUninstantiableTemplate(SourceLocation PointOfInstantiation, NamedDecl *Instantiation, bool InstantiatedFromMember, const NamedDecl *Pattern, const NamedDecl *PatternDef, TemplateSpecializationKind TSK, bool Complain = true); void DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl); TemplateDecl *AdjustDeclIfTemplate(Decl *&Decl); NamedDecl *ActOnTypeParameter(Scope *S, bool Typename, SourceLocation EllipsisLoc, SourceLocation KeyLoc, IdentifierInfo *ParamName, SourceLocation ParamNameLoc, unsigned Depth, unsigned Position, SourceLocation EqualLoc, ParsedType DefaultArg, bool HasTypeConstraint); bool ActOnTypeConstraint(const CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc); bool AttachTypeConstraint(NestedNameSpecifierLoc NS, DeclarationNameInfo NameInfo, ConceptDecl *NamedConcept, const TemplateArgumentListInfo *TemplateArgs, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc); bool AttachTypeConstraint(AutoTypeLoc TL, NonTypeTemplateParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc); QualType CheckNonTypeTemplateParameterType(TypeSourceInfo *&TSI, SourceLocation Loc); QualType CheckNonTypeTemplateParameterType(QualType T, SourceLocation Loc); NamedDecl *ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, unsigned Depth, unsigned Position, SourceLocation EqualLoc, Expr *DefaultArg); NamedDecl *ActOnTemplateTemplateParameter(Scope *S, SourceLocation TmpLoc, TemplateParameterList *Params, SourceLocation EllipsisLoc, IdentifierInfo *ParamName, SourceLocation ParamNameLoc, unsigned Depth, unsigned Position, SourceLocation EqualLoc, ParsedTemplateArgument DefaultArg); TemplateParameterList * ActOnTemplateParameterList(unsigned Depth, SourceLocation ExportLoc, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef Params, SourceLocation RAngleLoc, Expr *RequiresClause); /// The context in which we are checking a template parameter list. enum TemplateParamListContext { TPC_ClassTemplate, TPC_VarTemplate, TPC_FunctionTemplate, TPC_ClassTemplateMember, TPC_FriendClassTemplate, TPC_FriendFunctionTemplate, TPC_FriendFunctionTemplateDefinition, TPC_TypeAliasTemplate }; bool CheckTemplateParameterList(TemplateParameterList *NewParams, TemplateParameterList *OldParams, TemplateParamListContext TPC, SkipBodyInfo *SkipBody = nullptr); TemplateParameterList *MatchTemplateParametersToScopeSpecifier( SourceLocation DeclStartLoc, SourceLocation DeclLoc, const CXXScopeSpec &SS, TemplateIdAnnotation *TemplateId, ArrayRef ParamLists, bool IsFriend, bool &IsMemberSpecialization, bool &Invalid, bool SuppressDiagnostic = false); DeclResult CheckClassTemplate( Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr, TemplateParameterList *TemplateParams, AccessSpecifier AS, SourceLocation ModulePrivateLoc, SourceLocation FriendLoc, unsigned NumOuterTemplateParamLists, TemplateParameterList **OuterTemplateParamLists, SkipBodyInfo *SkipBody = nullptr); TemplateArgumentLoc getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, QualType NTTPType, SourceLocation Loc); /// Get a template argument mapping the given template parameter to itself, /// e.g. for X in \c template, this would return an expression template /// argument referencing X. TemplateArgumentLoc getIdentityTemplateArgumentLoc(NamedDecl *Param, SourceLocation Location); void translateTemplateArguments(const ASTTemplateArgsPtr &In, TemplateArgumentListInfo &Out); ParsedTemplateArgument ActOnTemplateTypeArgument(TypeResult ParsedType); void NoteAllFoundTemplates(TemplateName Name); QualType CheckTemplateIdType(TemplateName Template, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs); TypeResult ActOnTemplateIdType(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy Template, IdentifierInfo *TemplateII, SourceLocation TemplateIILoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, bool IsCtorOrDtorName = false, bool IsClassName = false); /// Parsed an elaborated-type-specifier that refers to a template-id, /// such as \c class T::template apply. TypeResult ActOnTagTemplateIdType(TagUseKind TUK, TypeSpecifierType TagSpec, SourceLocation TagLoc, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy TemplateD, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgsIn, SourceLocation RAngleLoc); DeclResult ActOnVarTemplateSpecialization( Scope *S, Declarator &D, TypeSourceInfo *DI, SourceLocation TemplateKWLoc, TemplateParameterList *TemplateParams, StorageClass SC, bool IsPartialSpecialization); DeclResult CheckVarTemplateId(VarTemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation TemplateNameLoc, const TemplateArgumentListInfo &TemplateArgs); ExprResult CheckVarTemplateId(const CXXScopeSpec &SS, const DeclarationNameInfo &NameInfo, VarTemplateDecl *Template, SourceLocation TemplateLoc, const TemplateArgumentListInfo *TemplateArgs); ExprResult CheckConceptTemplateId(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const TemplateArgumentListInfo *TemplateArgs); void diagnoseMissingTemplateArguments(TemplateName Name, SourceLocation Loc); ExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, bool RequiresADL, const TemplateArgumentListInfo *TemplateArgs); ExprResult BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs); TemplateNameKind ActOnTemplateName( Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const UnqualifiedId &Name, ParsedType ObjectType, bool EnteringContext, TemplateTy &Template, bool AllowInjectedClassName = false); DeclResult ActOnClassTemplateSpecialization( Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, SourceLocation ModulePrivateLoc, CXXScopeSpec &SS, TemplateIdAnnotation &TemplateId, const ParsedAttributesView &Attr, MultiTemplateParamsArg TemplateParameterLists, SkipBodyInfo *SkipBody = nullptr); bool CheckTemplatePartialSpecializationArgs(SourceLocation Loc, TemplateDecl *PrimaryTemplate, unsigned NumExplicitArgs, ArrayRef Args); void CheckTemplatePartialSpecialization( ClassTemplatePartialSpecializationDecl *Partial); void CheckTemplatePartialSpecialization( VarTemplatePartialSpecializationDecl *Partial); Decl *ActOnTemplateDeclarator(Scope *S, MultiTemplateParamsArg TemplateParameterLists, Declarator &D); bool CheckSpecializationInstantiationRedecl(SourceLocation NewLoc, TemplateSpecializationKind NewTSK, NamedDecl *PrevDecl, TemplateSpecializationKind PrevTSK, SourceLocation PrevPtOfInstantiation, bool &SuppressNew); bool CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD, const TemplateArgumentListInfo &ExplicitTemplateArgs, LookupResult &Previous); bool CheckFunctionTemplateSpecialization( FunctionDecl *FD, TemplateArgumentListInfo *ExplicitTemplateArgs, LookupResult &Previous, bool QualifiedFriend = false); bool CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous); void CompleteMemberSpecialization(NamedDecl *Member, LookupResult &Previous); DeclResult ActOnExplicitInstantiation( Scope *S, SourceLocation ExternLoc, SourceLocation TemplateLoc, unsigned TagSpec, SourceLocation KWLoc, const CXXScopeSpec &SS, TemplateTy Template, SourceLocation TemplateNameLoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, const ParsedAttributesView &Attr); DeclResult ActOnExplicitInstantiation(Scope *S, SourceLocation ExternLoc, SourceLocation TemplateLoc, unsigned TagSpec, SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr); DeclResult ActOnExplicitInstantiation(Scope *S, SourceLocation ExternLoc, SourceLocation TemplateLoc, Declarator &D); TemplateArgumentLoc SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, Decl *Param, SmallVectorImpl &Converted, bool &HasDefaultArg); /// Specifies the context in which a particular template /// argument is being checked. enum CheckTemplateArgumentKind { /// The template argument was specified in the code or was /// instantiated with some deduced template arguments. CTAK_Specified, /// The template argument was deduced via template argument /// deduction. CTAK_Deduced, /// The template argument was deduced from an array bound /// via template argument deduction. CTAK_DeducedFromArrayBound }; bool CheckTemplateArgument(NamedDecl *Param, TemplateArgumentLoc &Arg, NamedDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, unsigned ArgumentPackIndex, SmallVectorImpl &Converted, CheckTemplateArgumentKind CTAK = CTAK_Specified); /// Check that the given template arguments can be be provided to /// the given template, converting the arguments along the way. /// /// \param Template The template to which the template arguments are being /// provided. /// /// \param TemplateLoc The location of the template name in the source. /// /// \param TemplateArgs The list of template arguments. If the template is /// a template template parameter, this function may extend the set of /// template arguments to also include substituted, defaulted template /// arguments. /// /// \param PartialTemplateArgs True if the list of template arguments is /// intentionally partial, e.g., because we're checking just the initial /// set of template arguments. /// /// \param Converted Will receive the converted, canonicalized template /// arguments. /// /// \param UpdateArgsWithConversions If \c true, update \p TemplateArgs to /// contain the converted forms of the template arguments as written. /// Otherwise, \p TemplateArgs will not be modified. /// /// \param ConstraintsNotSatisfied If provided, and an error occured, will /// receive true if the cause for the error is the associated constraints of /// the template not being satisfied by the template arguments. /// /// \returns true if an error occurred, false otherwise. bool CheckTemplateArgumentList(TemplateDecl *Template, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs, bool PartialTemplateArgs, SmallVectorImpl &Converted, bool UpdateArgsWithConversions = true, bool *ConstraintsNotSatisfied = nullptr); bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, TemplateArgumentLoc &Arg, SmallVectorImpl &Converted); bool CheckTemplateArgument(TemplateTypeParmDecl *Param, TypeSourceInfo *Arg); ExprResult CheckTemplateArgument(NonTypeTemplateParmDecl *Param, QualType InstantiatedParamType, Expr *Arg, TemplateArgument &Converted, CheckTemplateArgumentKind CTAK = CTAK_Specified); bool CheckTemplateTemplateArgument(TemplateTemplateParmDecl *Param, TemplateParameterList *Params, TemplateArgumentLoc &Arg); ExprResult BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc); ExprResult BuildExpressionFromIntegralTemplateArgument(const TemplateArgument &Arg, SourceLocation Loc); /// Enumeration describing how template parameter lists are compared /// for equality. enum TemplateParameterListEqualKind { /// We are matching the template parameter lists of two templates /// that might be redeclarations. /// /// \code /// template struct X; /// template struct X; /// \endcode TPL_TemplateMatch, /// We are matching the template parameter lists of two template /// template parameters as part of matching the template parameter lists /// of two templates that might be redeclarations. /// /// \code /// template class TT> struct X; /// template class Other> struct X; /// \endcode TPL_TemplateTemplateParmMatch, /// We are matching the template parameter lists of a template /// template argument against the template parameter lists of a template /// template parameter. /// /// \code /// template class Metafun> struct X; /// template struct integer_c; /// X xic; /// \endcode TPL_TemplateTemplateArgumentMatch }; bool TemplateParameterListsAreEqual(TemplateParameterList *New, TemplateParameterList *Old, bool Complain, TemplateParameterListEqualKind Kind, SourceLocation TemplateArgLoc = SourceLocation()); bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams); /// Called when the parser has parsed a C++ typename /// specifier, e.g., "typename T::type". /// /// \param S The scope in which this typename type occurs. /// \param TypenameLoc the location of the 'typename' keyword /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). /// \param II the identifier we're retrieving (e.g., 'type' in the example). /// \param IdLoc the location of the identifier. TypeResult ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, const CXXScopeSpec &SS, const IdentifierInfo &II, SourceLocation IdLoc); /// Called when the parser has parsed a C++ typename /// specifier that ends in a template-id, e.g., /// "typename MetaFun::template apply". /// /// \param S The scope in which this typename type occurs. /// \param TypenameLoc the location of the 'typename' keyword /// \param SS the nested-name-specifier following the typename (e.g., 'T::'). /// \param TemplateLoc the location of the 'template' keyword, if any. /// \param TemplateName The template name. /// \param TemplateII The identifier used to name the template. /// \param TemplateIILoc The location of the template name. /// \param LAngleLoc The location of the opening angle bracket ('<'). /// \param TemplateArgs The template arguments. /// \param RAngleLoc The location of the closing angle bracket ('>'). TypeResult ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, const CXXScopeSpec &SS, SourceLocation TemplateLoc, TemplateTy TemplateName, IdentifierInfo *TemplateII, SourceLocation TemplateIILoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc); QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, SourceLocation KeywordLoc, NestedNameSpecifierLoc QualifierLoc, const IdentifierInfo &II, SourceLocation IILoc, TypeSourceInfo **TSI, bool DeducedTSTContext); QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, SourceLocation KeywordLoc, NestedNameSpecifierLoc QualifierLoc, const IdentifierInfo &II, SourceLocation IILoc, bool DeducedTSTContext = true); TypeSourceInfo *RebuildTypeInCurrentInstantiation(TypeSourceInfo *T, SourceLocation Loc, DeclarationName Name); bool RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS); ExprResult RebuildExprInCurrentInstantiation(Expr *E); bool RebuildTemplateParamsInCurrentInstantiation( TemplateParameterList *Params); std::string getTemplateArgumentBindingsText(const TemplateParameterList *Params, const TemplateArgumentList &Args); std::string getTemplateArgumentBindingsText(const TemplateParameterList *Params, const TemplateArgument *Args, unsigned NumArgs); //===--------------------------------------------------------------------===// // C++ Concepts //===--------------------------------------------------------------------===// Decl *ActOnConceptDefinition( Scope *S, MultiTemplateParamsArg TemplateParameterLists, IdentifierInfo *Name, SourceLocation NameLoc, Expr *ConstraintExpr); RequiresExprBodyDecl * ActOnStartRequiresExpr(SourceLocation RequiresKWLoc, ArrayRef LocalParameters, Scope *BodyScope); void ActOnFinishRequiresExpr(); concepts::Requirement *ActOnSimpleRequirement(Expr *E); concepts::Requirement *ActOnTypeRequirement( SourceLocation TypenameKWLoc, CXXScopeSpec &SS, SourceLocation NameLoc, IdentifierInfo *TypeName, TemplateIdAnnotation *TemplateId); concepts::Requirement *ActOnCompoundRequirement(Expr *E, SourceLocation NoexceptLoc); concepts::Requirement * ActOnCompoundRequirement( Expr *E, SourceLocation NoexceptLoc, CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, unsigned Depth); concepts::Requirement *ActOnNestedRequirement(Expr *Constraint); concepts::ExprRequirement * BuildExprRequirement( Expr *E, bool IsSatisfied, SourceLocation NoexceptLoc, concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement); concepts::ExprRequirement * BuildExprRequirement( concepts::Requirement::SubstitutionDiagnostic *ExprSubstDiag, bool IsSatisfied, SourceLocation NoexceptLoc, concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement); concepts::TypeRequirement *BuildTypeRequirement(TypeSourceInfo *Type); concepts::TypeRequirement * BuildTypeRequirement( concepts::Requirement::SubstitutionDiagnostic *SubstDiag); concepts::NestedRequirement *BuildNestedRequirement(Expr *E); concepts::NestedRequirement * BuildNestedRequirement( concepts::Requirement::SubstitutionDiagnostic *SubstDiag); ExprResult ActOnRequiresExpr(SourceLocation RequiresKWLoc, RequiresExprBodyDecl *Body, ArrayRef LocalParameters, ArrayRef Requirements, SourceLocation ClosingBraceLoc); //===--------------------------------------------------------------------===// // C++ Variadic Templates (C++0x [temp.variadic]) //===--------------------------------------------------------------------===// /// Determine whether an unexpanded parameter pack might be permitted in this /// location. Useful for error recovery. bool isUnexpandedParameterPackPermitted(); /// The context in which an unexpanded parameter pack is /// being diagnosed. /// /// Note that the values of this enumeration line up with the first /// argument to the \c err_unexpanded_parameter_pack diagnostic. enum UnexpandedParameterPackContext { /// An arbitrary expression. UPPC_Expression = 0, /// The base type of a class type. UPPC_BaseType, /// The type of an arbitrary declaration. UPPC_DeclarationType, /// The type of a data member. UPPC_DataMemberType, /// The size of a bit-field. UPPC_BitFieldWidth, /// The expression in a static assertion. UPPC_StaticAssertExpression, /// The fixed underlying type of an enumeration. UPPC_FixedUnderlyingType, /// The enumerator value. UPPC_EnumeratorValue, /// A using declaration. UPPC_UsingDeclaration, /// A friend declaration. UPPC_FriendDeclaration, /// A declaration qualifier. UPPC_DeclarationQualifier, /// An initializer. UPPC_Initializer, /// A default argument. UPPC_DefaultArgument, /// The type of a non-type template parameter. UPPC_NonTypeTemplateParameterType, /// The type of an exception. UPPC_ExceptionType, /// Partial specialization. UPPC_PartialSpecialization, /// Microsoft __if_exists. UPPC_IfExists, /// Microsoft __if_not_exists. UPPC_IfNotExists, /// Lambda expression. UPPC_Lambda, /// Block expression, UPPC_Block, /// A type constraint, UPPC_TypeConstraint }; /// Diagnose unexpanded parameter packs. /// /// \param Loc The location at which we should emit the diagnostic. /// /// \param UPPC The context in which we are diagnosing unexpanded /// parameter packs. /// /// \param Unexpanded the set of unexpanded parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPacks(SourceLocation Loc, UnexpandedParameterPackContext UPPC, ArrayRef Unexpanded); /// If the given type contains an unexpanded parameter pack, /// diagnose the error. /// /// \param Loc The source location where a diagnostc should be emitted. /// /// \param T The type that is being checked for unexpanded parameter /// packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, UnexpandedParameterPackContext UPPC); /// If the given expression contains an unexpanded parameter /// pack, diagnose the error. /// /// \param E The expression that is being checked for unexpanded /// parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(Expr *E, UnexpandedParameterPackContext UPPC = UPPC_Expression); /// If the given nested-name-specifier contains an unexpanded /// parameter pack, diagnose the error. /// /// \param SS The nested-name-specifier that is being checked for /// unexpanded parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(const CXXScopeSpec &SS, UnexpandedParameterPackContext UPPC); /// If the given name contains an unexpanded parameter pack, /// diagnose the error. /// /// \param NameInfo The name (with source location information) that /// is being checked for unexpanded parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(const DeclarationNameInfo &NameInfo, UnexpandedParameterPackContext UPPC); /// If the given template name contains an unexpanded parameter pack, /// diagnose the error. /// /// \param Loc The location of the template name. /// /// \param Template The template name that is being checked for unexpanded /// parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TemplateName Template, UnexpandedParameterPackContext UPPC); /// If the given template argument contains an unexpanded parameter /// pack, diagnose the error. /// /// \param Arg The template argument that is being checked for unexpanded /// parameter packs. /// /// \returns true if an error occurred, false otherwise. bool DiagnoseUnexpandedParameterPack(TemplateArgumentLoc Arg, UnexpandedParameterPackContext UPPC); /// Collect the set of unexpanded parameter packs within the given /// template argument. /// /// \param Arg The template argument that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(TemplateArgument Arg, SmallVectorImpl &Unexpanded); /// Collect the set of unexpanded parameter packs within the given /// template argument. /// /// \param Arg The template argument that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(TemplateArgumentLoc Arg, SmallVectorImpl &Unexpanded); /// Collect the set of unexpanded parameter packs within the given /// type. /// /// \param T The type that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(QualType T, SmallVectorImpl &Unexpanded); /// Collect the set of unexpanded parameter packs within the given /// type. /// /// \param TL The type that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(TypeLoc TL, SmallVectorImpl &Unexpanded); /// Collect the set of unexpanded parameter packs within the given /// nested-name-specifier. /// /// \param NNS The nested-name-specifier that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(NestedNameSpecifierLoc NNS, SmallVectorImpl &Unexpanded); /// Collect the set of unexpanded parameter packs within the given /// name. /// /// \param NameInfo The name that will be traversed to find /// unexpanded parameter packs. void collectUnexpandedParameterPacks(const DeclarationNameInfo &NameInfo, SmallVectorImpl &Unexpanded); /// Invoked when parsing a template argument followed by an /// ellipsis, which creates a pack expansion. /// /// \param Arg The template argument preceding the ellipsis, which /// may already be invalid. /// /// \param EllipsisLoc The location of the ellipsis. ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, SourceLocation EllipsisLoc); /// Invoked when parsing a type followed by an ellipsis, which /// creates a pack expansion. /// /// \param Type The type preceding the ellipsis, which will become /// the pattern of the pack expansion. /// /// \param EllipsisLoc The location of the ellipsis. TypeResult ActOnPackExpansion(ParsedType Type, SourceLocation EllipsisLoc); /// Construct a pack expansion type from the pattern of the pack /// expansion. TypeSourceInfo *CheckPackExpansion(TypeSourceInfo *Pattern, SourceLocation EllipsisLoc, Optional NumExpansions); /// Construct a pack expansion type from the pattern of the pack /// expansion. QualType CheckPackExpansion(QualType Pattern, SourceRange PatternRange, SourceLocation EllipsisLoc, Optional NumExpansions); /// Invoked when parsing an expression followed by an ellipsis, which /// creates a pack expansion. /// /// \param Pattern The expression preceding the ellipsis, which will become /// the pattern of the pack expansion. /// /// \param EllipsisLoc The location of the ellipsis. ExprResult ActOnPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc); /// Invoked when parsing an expression followed by an ellipsis, which /// creates a pack expansion. /// /// \param Pattern The expression preceding the ellipsis, which will become /// the pattern of the pack expansion. /// /// \param EllipsisLoc The location of the ellipsis. ExprResult CheckPackExpansion(Expr *Pattern, SourceLocation EllipsisLoc, Optional NumExpansions); /// Determine whether we could expand a pack expansion with the /// given set of parameter packs into separate arguments by repeatedly /// transforming the pattern. /// /// \param EllipsisLoc The location of the ellipsis that identifies the /// pack expansion. /// /// \param PatternRange The source range that covers the entire pattern of /// the pack expansion. /// /// \param Unexpanded The set of unexpanded parameter packs within the /// pattern. /// /// \param ShouldExpand Will be set to \c true if the transformer should /// expand the corresponding pack expansions into separate arguments. When /// set, \c NumExpansions must also be set. /// /// \param RetainExpansion Whether the caller should add an unexpanded /// pack expansion after all of the expanded arguments. This is used /// when extending explicitly-specified template argument packs per /// C++0x [temp.arg.explicit]p9. /// /// \param NumExpansions The number of separate arguments that will be in /// the expanded form of the corresponding pack expansion. This is both an /// input and an output parameter, which can be set by the caller if the /// number of expansions is known a priori (e.g., due to a prior substitution) /// and will be set by the callee when the number of expansions is known. /// The callee must set this value when \c ShouldExpand is \c true; it may /// set this value in other cases. /// /// \returns true if an error occurred (e.g., because the parameter packs /// are to be instantiated with arguments of different lengths), false /// otherwise. If false, \c ShouldExpand (and possibly \c NumExpansions) /// must be set. bool CheckParameterPacksForExpansion(SourceLocation EllipsisLoc, SourceRange PatternRange, ArrayRef Unexpanded, const MultiLevelTemplateArgumentList &TemplateArgs, bool &ShouldExpand, bool &RetainExpansion, Optional &NumExpansions); /// Determine the number of arguments in the given pack expansion /// type. /// /// This routine assumes that the number of arguments in the expansion is /// consistent across all of the unexpanded parameter packs in its pattern. /// /// Returns an empty Optional if the type can't be expanded. Optional getNumArgumentsInExpansion(QualType T, const MultiLevelTemplateArgumentList &TemplateArgs); /// Determine whether the given declarator contains any unexpanded /// parameter packs. /// /// This routine is used by the parser to disambiguate function declarators /// with an ellipsis prior to the ')', e.g., /// /// \code /// void f(T...); /// \endcode /// /// To determine whether we have an (unnamed) function parameter pack or /// a variadic function. /// /// \returns true if the declarator contains any unexpanded parameter packs, /// false otherwise. bool containsUnexpandedParameterPacks(Declarator &D); /// Returns the pattern of the pack expansion for a template argument. /// /// \param OrigLoc The template argument to expand. /// /// \param Ellipsis Will be set to the location of the ellipsis. /// /// \param NumExpansions Will be set to the number of expansions that will /// be generated from this pack expansion, if known a priori. TemplateArgumentLoc getTemplateArgumentPackExpansionPattern( TemplateArgumentLoc OrigLoc, SourceLocation &Ellipsis, Optional &NumExpansions) const; /// Given a template argument that contains an unexpanded parameter pack, but /// which has already been substituted, attempt to determine the number of /// elements that will be produced once this argument is fully-expanded. /// /// This is intended for use when transforming 'sizeof...(Arg)' in order to /// avoid actually expanding the pack where possible. Optional getFullyPackExpandedSize(TemplateArgument Arg); //===--------------------------------------------------------------------===// // C++ Template Argument Deduction (C++ [temp.deduct]) //===--------------------------------------------------------------------===// /// Adjust the type \p ArgFunctionType to match the calling convention, /// noreturn, and optionally the exception specification of \p FunctionType. /// Deduction often wants to ignore these properties when matching function /// types. QualType adjustCCAndNoReturn(QualType ArgFunctionType, QualType FunctionType, bool AdjustExceptionSpec = false); /// Describes the result of template argument deduction. /// /// The TemplateDeductionResult enumeration describes the result of /// template argument deduction, as returned from /// DeduceTemplateArguments(). The separate TemplateDeductionInfo /// structure provides additional information about the results of /// template argument deduction, e.g., the deduced template argument /// list (if successful) or the specific template parameters or /// deduced arguments that were involved in the failure. enum TemplateDeductionResult { /// Template argument deduction was successful. TDK_Success = 0, /// The declaration was invalid; do nothing. TDK_Invalid, /// Template argument deduction exceeded the maximum template /// instantiation depth (which has already been diagnosed). TDK_InstantiationDepth, /// Template argument deduction did not deduce a value /// for every template parameter. TDK_Incomplete, /// Template argument deduction did not deduce a value for every /// expansion of an expanded template parameter pack. TDK_IncompletePack, /// Template argument deduction produced inconsistent /// deduced values for the given template parameter. TDK_Inconsistent, /// Template argument deduction failed due to inconsistent /// cv-qualifiers on a template parameter type that would /// otherwise be deduced, e.g., we tried to deduce T in "const T" /// but were given a non-const "X". TDK_Underqualified, /// Substitution of the deduced template argument values /// resulted in an error. TDK_SubstitutionFailure, /// After substituting deduced template arguments, a dependent /// parameter type did not match the corresponding argument. TDK_DeducedMismatch, /// After substituting deduced template arguments, an element of /// a dependent parameter type did not match the corresponding element /// of the corresponding argument (when deducing from an initializer list). TDK_DeducedMismatchNested, /// A non-depnedent component of the parameter did not match the /// corresponding component of the argument. TDK_NonDeducedMismatch, /// When performing template argument deduction for a function /// template, there were too many call arguments. TDK_TooManyArguments, /// When performing template argument deduction for a function /// template, there were too few call arguments. TDK_TooFewArguments, /// The explicitly-specified template arguments were not valid /// template arguments for the given template. TDK_InvalidExplicitArguments, /// Checking non-dependent argument conversions failed. TDK_NonDependentConversionFailure, /// The deduced arguments did not satisfy the constraints associated /// with the template. TDK_ConstraintsNotSatisfied, /// Deduction failed; that's all we know. TDK_MiscellaneousDeductionFailure, /// CUDA Target attributes do not match. TDK_CUDATargetMismatch }; TemplateDeductionResult DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, const TemplateArgumentList &TemplateArgs, sema::TemplateDeductionInfo &Info); TemplateDeductionResult DeduceTemplateArguments(VarTemplatePartialSpecializationDecl *Partial, const TemplateArgumentList &TemplateArgs, sema::TemplateDeductionInfo &Info); TemplateDeductionResult SubstituteExplicitTemplateArguments( FunctionTemplateDecl *FunctionTemplate, TemplateArgumentListInfo &ExplicitTemplateArgs, SmallVectorImpl &Deduced, SmallVectorImpl &ParamTypes, QualType *FunctionType, sema::TemplateDeductionInfo &Info); /// brief A function argument from which we performed template argument // deduction for a call. struct OriginalCallArg { OriginalCallArg(QualType OriginalParamType, bool DecomposedParam, unsigned ArgIdx, QualType OriginalArgType) : OriginalParamType(OriginalParamType), DecomposedParam(DecomposedParam), ArgIdx(ArgIdx), OriginalArgType(OriginalArgType) {} QualType OriginalParamType; bool DecomposedParam; unsigned ArgIdx; QualType OriginalArgType; }; TemplateDeductionResult FinishTemplateArgumentDeduction( FunctionTemplateDecl *FunctionTemplate, SmallVectorImpl &Deduced, unsigned NumExplicitlySpecified, FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info, SmallVectorImpl const *OriginalCallArgs = nullptr, bool PartialOverloading = false, llvm::function_ref CheckNonDependent = []{ return false; }); TemplateDeductionResult DeduceTemplateArguments( FunctionTemplateDecl *FunctionTemplate, TemplateArgumentListInfo *ExplicitTemplateArgs, ArrayRef Args, FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info, bool PartialOverloading, llvm::function_ref)> CheckNonDependent); TemplateDeductionResult DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, TemplateArgumentListInfo *ExplicitTemplateArgs, QualType ArgFunctionType, FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info, bool IsAddressOfFunction = false); TemplateDeductionResult DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, QualType ToType, CXXConversionDecl *&Specialization, sema::TemplateDeductionInfo &Info); TemplateDeductionResult DeduceTemplateArguments(FunctionTemplateDecl *FunctionTemplate, TemplateArgumentListInfo *ExplicitTemplateArgs, FunctionDecl *&Specialization, sema::TemplateDeductionInfo &Info, bool IsAddressOfFunction = false); /// Substitute Replacement for \p auto in \p TypeWithAuto QualType SubstAutoType(QualType TypeWithAuto, QualType Replacement); /// Substitute Replacement for auto in TypeWithAuto TypeSourceInfo* SubstAutoTypeSourceInfo(TypeSourceInfo *TypeWithAuto, QualType Replacement); /// Completely replace the \c auto in \p TypeWithAuto by /// \p Replacement. This does not retain any \c auto type sugar. QualType ReplaceAutoType(QualType TypeWithAuto, QualType Replacement); /// Result type of DeduceAutoType. enum DeduceAutoResult { DAR_Succeeded, DAR_Failed, DAR_FailedAlreadyDiagnosed }; DeduceAutoResult DeduceAutoType(TypeSourceInfo *AutoType, Expr *&Initializer, QualType &Result, Optional DependentDeductionDepth = None, bool IgnoreConstraints = false); DeduceAutoResult DeduceAutoType(TypeLoc AutoTypeLoc, Expr *&Initializer, QualType &Result, Optional DependentDeductionDepth = None, bool IgnoreConstraints = false); void DiagnoseAutoDeductionFailure(VarDecl *VDecl, Expr *Init); bool DeduceReturnType(FunctionDecl *FD, SourceLocation Loc, bool Diagnose = true); /// Declare implicit deduction guides for a class template if we've /// not already done so. void DeclareImplicitDeductionGuides(TemplateDecl *Template, SourceLocation Loc); QualType DeduceTemplateSpecializationFromInitializer( TypeSourceInfo *TInfo, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Init); QualType deduceVarTypeFromInitializer(VarDecl *VDecl, DeclarationName Name, QualType Type, TypeSourceInfo *TSI, SourceRange Range, bool DirectInit, Expr *Init); TypeLoc getReturnTypeLoc(FunctionDecl *FD) const; bool DeduceFunctionTypeFromReturnExpr(FunctionDecl *FD, SourceLocation ReturnLoc, Expr *&RetExpr, AutoType *AT); FunctionTemplateDecl *getMoreSpecializedTemplate( FunctionTemplateDecl *FT1, FunctionTemplateDecl *FT2, SourceLocation Loc, TemplatePartialOrderingContext TPOC, unsigned NumCallArguments1, unsigned NumCallArguments2, bool Reversed = false); UnresolvedSetIterator getMostSpecialized(UnresolvedSetIterator SBegin, UnresolvedSetIterator SEnd, TemplateSpecCandidateSet &FailedCandidates, SourceLocation Loc, const PartialDiagnostic &NoneDiag, const PartialDiagnostic &AmbigDiag, const PartialDiagnostic &CandidateDiag, bool Complain = true, QualType TargetType = QualType()); ClassTemplatePartialSpecializationDecl * getMoreSpecializedPartialSpecialization( ClassTemplatePartialSpecializationDecl *PS1, ClassTemplatePartialSpecializationDecl *PS2, SourceLocation Loc); bool isMoreSpecializedThanPrimary(ClassTemplatePartialSpecializationDecl *T, sema::TemplateDeductionInfo &Info); VarTemplatePartialSpecializationDecl *getMoreSpecializedPartialSpecialization( VarTemplatePartialSpecializationDecl *PS1, VarTemplatePartialSpecializationDecl *PS2, SourceLocation Loc); bool isMoreSpecializedThanPrimary(VarTemplatePartialSpecializationDecl *T, sema::TemplateDeductionInfo &Info); bool isTemplateTemplateParameterAtLeastAsSpecializedAs( TemplateParameterList *PParam, TemplateDecl *AArg, SourceLocation Loc); void MarkUsedTemplateParameters(const Expr *E, bool OnlyDeduced, unsigned Depth, llvm::SmallBitVector &Used); void MarkUsedTemplateParameters(const TemplateArgumentList &TemplateArgs, bool OnlyDeduced, unsigned Depth, llvm::SmallBitVector &Used); void MarkDeducedTemplateParameters( const FunctionTemplateDecl *FunctionTemplate, llvm::SmallBitVector &Deduced) { return MarkDeducedTemplateParameters(Context, FunctionTemplate, Deduced); } static void MarkDeducedTemplateParameters(ASTContext &Ctx, const FunctionTemplateDecl *FunctionTemplate, llvm::SmallBitVector &Deduced); //===--------------------------------------------------------------------===// // C++ Template Instantiation // MultiLevelTemplateArgumentList getTemplateInstantiationArgs(NamedDecl *D, const TemplateArgumentList *Innermost = nullptr, bool RelativeToPrimary = false, const FunctionDecl *Pattern = nullptr); /// A context in which code is being synthesized (where a source location /// alone is not sufficient to identify the context). This covers template /// instantiation and various forms of implicitly-generated functions. struct CodeSynthesisContext { /// The kind of template instantiation we are performing enum SynthesisKind { /// We are instantiating a template declaration. The entity is /// the declaration we're instantiating (e.g., a CXXRecordDecl). TemplateInstantiation, /// We are instantiating a default argument for a template /// parameter. The Entity is the template parameter whose argument is /// being instantiated, the Template is the template, and the /// TemplateArgs/NumTemplateArguments provide the template arguments as /// specified. DefaultTemplateArgumentInstantiation, /// We are instantiating a default argument for a function. /// The Entity is the ParmVarDecl, and TemplateArgs/NumTemplateArgs /// provides the template arguments as specified. DefaultFunctionArgumentInstantiation, /// We are substituting explicit template arguments provided for /// a function template. The entity is a FunctionTemplateDecl. ExplicitTemplateArgumentSubstitution, /// We are substituting template argument determined as part of /// template argument deduction for either a class template /// partial specialization or a function template. The /// Entity is either a {Class|Var}TemplatePartialSpecializationDecl or /// a TemplateDecl. DeducedTemplateArgumentSubstitution, /// We are substituting prior template arguments into a new /// template parameter. The template parameter itself is either a /// NonTypeTemplateParmDecl or a TemplateTemplateParmDecl. PriorTemplateArgumentSubstitution, /// We are checking the validity of a default template argument that /// has been used when naming a template-id. DefaultTemplateArgumentChecking, /// We are computing the exception specification for a defaulted special /// member function. ExceptionSpecEvaluation, /// We are instantiating the exception specification for a function /// template which was deferred until it was needed. ExceptionSpecInstantiation, /// We are instantiating a requirement of a requires expression. RequirementInstantiation, /// We are checking the satisfaction of a nested requirement of a requires /// expression. NestedRequirementConstraintsCheck, /// We are declaring an implicit special member function. DeclaringSpecialMember, /// We are declaring an implicit 'operator==' for a defaulted /// 'operator<=>'. DeclaringImplicitEqualityComparison, /// We are defining a synthesized function (such as a defaulted special /// member). DefiningSynthesizedFunction, // We are checking the constraints associated with a constrained entity or // the constraint expression of a concept. This includes the checks that // atomic constraints have the type 'bool' and that they can be constant // evaluated. ConstraintsCheck, // We are substituting template arguments into a constraint expression. ConstraintSubstitution, // We are normalizing a constraint expression. ConstraintNormalization, // We are substituting into the parameter mapping of an atomic constraint // during normalization. ParameterMappingSubstitution, /// We are rewriting a comparison operator in terms of an operator<=>. RewritingOperatorAsSpaceship, /// We are initializing a structured binding. InitializingStructuredBinding, /// We are marking a class as __dllexport. MarkingClassDllexported, /// Added for Template instantiation observation. /// Memoization means we are _not_ instantiating a template because /// it is already instantiated (but we entered a context where we /// would have had to if it was not already instantiated). Memoization } Kind; /// Was the enclosing context a non-instantiation SFINAE context? bool SavedInNonInstantiationSFINAEContext; /// The point of instantiation or synthesis within the source code. SourceLocation PointOfInstantiation; /// The entity that is being synthesized. Decl *Entity; /// The template (or partial specialization) in which we are /// performing the instantiation, for substitutions of prior template /// arguments. NamedDecl *Template; /// The list of template arguments we are substituting, if they /// are not part of the entity. const TemplateArgument *TemplateArgs; // FIXME: Wrap this union around more members, or perhaps store the // kind-specific members in the RAII object owning the context. union { /// The number of template arguments in TemplateArgs. unsigned NumTemplateArgs; /// The special member being declared or defined. CXXSpecialMember SpecialMember; }; ArrayRef template_arguments() const { assert(Kind != DeclaringSpecialMember); return {TemplateArgs, NumTemplateArgs}; } /// The template deduction info object associated with the /// substitution or checking of explicit or deduced template arguments. sema::TemplateDeductionInfo *DeductionInfo; /// The source range that covers the construct that cause /// the instantiation, e.g., the template-id that causes a class /// template instantiation. SourceRange InstantiationRange; CodeSynthesisContext() : Kind(TemplateInstantiation), SavedInNonInstantiationSFINAEContext(false), Entity(nullptr), Template(nullptr), TemplateArgs(nullptr), NumTemplateArgs(0), DeductionInfo(nullptr) {} /// Determines whether this template is an actual instantiation /// that should be counted toward the maximum instantiation depth. bool isInstantiationRecord() const; }; /// List of active code synthesis contexts. /// /// This vector is treated as a stack. As synthesis of one entity requires /// synthesis of another, additional contexts are pushed onto the stack. SmallVector CodeSynthesisContexts; /// Specializations whose definitions are currently being instantiated. llvm::DenseSet> InstantiatingSpecializations; /// Non-dependent types used in templates that have already been instantiated /// by some template instantiation. llvm::DenseSet InstantiatedNonDependentTypes; /// Extra modules inspected when performing a lookup during a template /// instantiation. Computed lazily. SmallVector CodeSynthesisContextLookupModules; /// Cache of additional modules that should be used for name lookup /// within the current template instantiation. Computed lazily; use /// getLookupModules() to get a complete set. llvm::DenseSet LookupModulesCache; /// Get the set of additional modules that should be checked during /// name lookup. A module and its imports become visible when instanting a /// template defined within it. llvm::DenseSet &getLookupModules(); /// Map from the most recent declaration of a namespace to the most /// recent visible declaration of that namespace. llvm::DenseMap VisibleNamespaceCache; /// Whether we are in a SFINAE context that is not associated with /// template instantiation. /// /// This is used when setting up a SFINAE trap (\c see SFINAETrap) outside /// of a template instantiation or template argument deduction. bool InNonInstantiationSFINAEContext; /// The number of \p CodeSynthesisContexts that are not template /// instantiations and, therefore, should not be counted as part of the /// instantiation depth. /// /// When the instantiation depth reaches the user-configurable limit /// \p LangOptions::InstantiationDepth we will abort instantiation. // FIXME: Should we have a similar limit for other forms of synthesis? unsigned NonInstantiationEntries; /// The depth of the context stack at the point when the most recent /// error or warning was produced. /// /// This value is used to suppress printing of redundant context stacks /// when there are multiple errors or warnings in the same instantiation. // FIXME: Does this belong in Sema? It's tough to implement it anywhere else. unsigned LastEmittedCodeSynthesisContextDepth = 0; /// The template instantiation callbacks to trace or track /// instantiations (objects can be chained). /// /// This callbacks is used to print, trace or track template /// instantiations as they are being constructed. std::vector> TemplateInstCallbacks; /// The current index into pack expansion arguments that will be /// used for substitution of parameter packs. /// /// The pack expansion index will be -1 to indicate that parameter packs /// should be instantiated as themselves. Otherwise, the index specifies /// which argument within the parameter pack will be used for substitution. int ArgumentPackSubstitutionIndex; /// RAII object used to change the argument pack substitution index /// within a \c Sema object. /// /// See \c ArgumentPackSubstitutionIndex for more information. class ArgumentPackSubstitutionIndexRAII { Sema &Self; int OldSubstitutionIndex; public: ArgumentPackSubstitutionIndexRAII(Sema &Self, int NewSubstitutionIndex) : Self(Self), OldSubstitutionIndex(Self.ArgumentPackSubstitutionIndex) { Self.ArgumentPackSubstitutionIndex = NewSubstitutionIndex; } ~ArgumentPackSubstitutionIndexRAII() { Self.ArgumentPackSubstitutionIndex = OldSubstitutionIndex; } }; friend class ArgumentPackSubstitutionRAII; /// For each declaration that involved template argument deduction, the /// set of diagnostics that were suppressed during that template argument /// deduction. /// /// FIXME: Serialize this structure to the AST file. typedef llvm::DenseMap > SuppressedDiagnosticsMap; SuppressedDiagnosticsMap SuppressedDiagnostics; /// A stack object to be created when performing template /// instantiation. /// /// Construction of an object of type \c InstantiatingTemplate /// pushes the current instantiation onto the stack of active /// instantiations. If the size of this stack exceeds the maximum /// number of recursive template instantiations, construction /// produces an error and evaluates true. /// /// Destruction of this object will pop the named instantiation off /// the stack. struct InstantiatingTemplate { /// Note that we are instantiating a class template, /// function template, variable template, alias template, /// or a member thereof. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, Decl *Entity, SourceRange InstantiationRange = SourceRange()); struct ExceptionSpecification {}; /// Note that we are instantiating an exception specification /// of a function template. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, FunctionDecl *Entity, ExceptionSpecification, SourceRange InstantiationRange = SourceRange()); /// Note that we are instantiating a default argument in a /// template-id. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, TemplateParameter Param, TemplateDecl *Template, ArrayRef TemplateArgs, SourceRange InstantiationRange = SourceRange()); /// Note that we are substituting either explicitly-specified or /// deduced template arguments during function template argument deduction. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, FunctionTemplateDecl *FunctionTemplate, ArrayRef TemplateArgs, CodeSynthesisContext::SynthesisKind Kind, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// Note that we are instantiating as part of template /// argument deduction for a class template declaration. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, TemplateDecl *Template, ArrayRef TemplateArgs, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// Note that we are instantiating as part of template /// argument deduction for a class template partial /// specialization. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ClassTemplatePartialSpecializationDecl *PartialSpec, ArrayRef TemplateArgs, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// Note that we are instantiating as part of template /// argument deduction for a variable template partial /// specialization. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, VarTemplatePartialSpecializationDecl *PartialSpec, ArrayRef TemplateArgs, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// Note that we are instantiating a default argument for a function /// parameter. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ParmVarDecl *Param, ArrayRef TemplateArgs, SourceRange InstantiationRange = SourceRange()); /// Note that we are substituting prior template arguments into a /// non-type parameter. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, NamedDecl *Template, NonTypeTemplateParmDecl *Param, ArrayRef TemplateArgs, SourceRange InstantiationRange); /// Note that we are substituting prior template arguments into a /// template template parameter. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, NamedDecl *Template, TemplateTemplateParmDecl *Param, ArrayRef TemplateArgs, SourceRange InstantiationRange); /// Note that we are checking the default template argument /// against the template parameter for a given template-id. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, TemplateDecl *Template, NamedDecl *Param, ArrayRef TemplateArgs, SourceRange InstantiationRange); struct ConstraintsCheck {}; /// \brief Note that we are checking the constraints associated with some /// constrained entity (a concept declaration or a template with associated /// constraints). InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ConstraintsCheck, NamedDecl *Template, ArrayRef TemplateArgs, SourceRange InstantiationRange); struct ConstraintSubstitution {}; /// \brief Note that we are checking a constraint expression associated /// with a template declaration or as part of the satisfaction check of a /// concept. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ConstraintSubstitution, NamedDecl *Template, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange); struct ConstraintNormalization {}; /// \brief Note that we are normalizing a constraint expression. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ConstraintNormalization, NamedDecl *Template, SourceRange InstantiationRange); struct ParameterMappingSubstitution {}; /// \brief Note that we are subtituting into the parameter mapping of an /// atomic constraint during constraint normalization. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, ParameterMappingSubstitution, NamedDecl *Template, SourceRange InstantiationRange); /// \brief Note that we are substituting template arguments into a part of /// a requirement of a requires expression. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, concepts::Requirement *Req, sema::TemplateDeductionInfo &DeductionInfo, SourceRange InstantiationRange = SourceRange()); /// \brief Note that we are checking the satisfaction of the constraint /// expression inside of a nested requirement. InstantiatingTemplate(Sema &SemaRef, SourceLocation PointOfInstantiation, concepts::NestedRequirement *Req, ConstraintsCheck, SourceRange InstantiationRange = SourceRange()); /// Note that we have finished instantiating this template. void Clear(); ~InstantiatingTemplate() { Clear(); } /// Determines whether we have exceeded the maximum /// recursive template instantiations. bool isInvalid() const { return Invalid; } /// Determine whether we are already instantiating this /// specialization in some surrounding active instantiation. bool isAlreadyInstantiating() const { return AlreadyInstantiating; } private: Sema &SemaRef; bool Invalid; bool AlreadyInstantiating; bool CheckInstantiationDepth(SourceLocation PointOfInstantiation, SourceRange InstantiationRange); InstantiatingTemplate( Sema &SemaRef, CodeSynthesisContext::SynthesisKind Kind, SourceLocation PointOfInstantiation, SourceRange InstantiationRange, Decl *Entity, NamedDecl *Template = nullptr, ArrayRef TemplateArgs = None, sema::TemplateDeductionInfo *DeductionInfo = nullptr); InstantiatingTemplate(const InstantiatingTemplate&) = delete; InstantiatingTemplate& operator=(const InstantiatingTemplate&) = delete; }; void pushCodeSynthesisContext(CodeSynthesisContext Ctx); void popCodeSynthesisContext(); /// Determine whether we are currently performing template instantiation. bool inTemplateInstantiation() const { return CodeSynthesisContexts.size() > NonInstantiationEntries; } void PrintContextStack() { if (!CodeSynthesisContexts.empty() && CodeSynthesisContexts.size() != LastEmittedCodeSynthesisContextDepth) { PrintInstantiationStack(); LastEmittedCodeSynthesisContextDepth = CodeSynthesisContexts.size(); } if (PragmaAttributeCurrentTargetDecl) PrintPragmaAttributeInstantiationPoint(); } void PrintInstantiationStack(); void PrintPragmaAttributeInstantiationPoint(); /// Determines whether we are currently in a context where /// template argument substitution failures are not considered /// errors. /// /// \returns An empty \c Optional if we're not in a SFINAE context. /// Otherwise, contains a pointer that, if non-NULL, contains the nearest /// template-deduction context object, which can be used to capture /// diagnostics that will be suppressed. Optional isSFINAEContext() const; /// Determines whether we are currently in a context that /// is not evaluated as per C++ [expr] p5. bool isUnevaluatedContext() const { assert(!ExprEvalContexts.empty() && "Must be in an expression evaluation context"); return ExprEvalContexts.back().isUnevaluated(); } /// RAII class used to determine whether SFINAE has /// trapped any errors that occur during template argument /// deduction. class SFINAETrap { Sema &SemaRef; unsigned PrevSFINAEErrors; bool PrevInNonInstantiationSFINAEContext; bool PrevAccessCheckingSFINAE; bool PrevLastDiagnosticIgnored; public: explicit SFINAETrap(Sema &SemaRef, bool AccessCheckingSFINAE = false) : SemaRef(SemaRef), PrevSFINAEErrors(SemaRef.NumSFINAEErrors), PrevInNonInstantiationSFINAEContext( SemaRef.InNonInstantiationSFINAEContext), PrevAccessCheckingSFINAE(SemaRef.AccessCheckingSFINAE), PrevLastDiagnosticIgnored( SemaRef.getDiagnostics().isLastDiagnosticIgnored()) { if (!SemaRef.isSFINAEContext()) SemaRef.InNonInstantiationSFINAEContext = true; SemaRef.AccessCheckingSFINAE = AccessCheckingSFINAE; } ~SFINAETrap() { SemaRef.NumSFINAEErrors = PrevSFINAEErrors; SemaRef.InNonInstantiationSFINAEContext = PrevInNonInstantiationSFINAEContext; SemaRef.AccessCheckingSFINAE = PrevAccessCheckingSFINAE; SemaRef.getDiagnostics().setLastDiagnosticIgnored( PrevLastDiagnosticIgnored); } /// Determine whether any SFINAE errors have been trapped. bool hasErrorOccurred() const { return SemaRef.NumSFINAEErrors > PrevSFINAEErrors; } }; /// RAII class used to indicate that we are performing provisional /// semantic analysis to determine the validity of a construct, so /// typo-correction and diagnostics in the immediate context (not within /// implicitly-instantiated templates) should be suppressed. class TentativeAnalysisScope { Sema &SemaRef; // FIXME: Using a SFINAETrap for this is a hack. SFINAETrap Trap; bool PrevDisableTypoCorrection; public: explicit TentativeAnalysisScope(Sema &SemaRef) : SemaRef(SemaRef), Trap(SemaRef, true), PrevDisableTypoCorrection(SemaRef.DisableTypoCorrection) { SemaRef.DisableTypoCorrection = true; } ~TentativeAnalysisScope() { SemaRef.DisableTypoCorrection = PrevDisableTypoCorrection; } }; /// The current instantiation scope used to store local /// variables. LocalInstantiationScope *CurrentInstantiationScope; /// Tracks whether we are in a context where typo correction is /// disabled. bool DisableTypoCorrection; /// The number of typos corrected by CorrectTypo. unsigned TyposCorrected; typedef llvm::SmallSet SrcLocSet; typedef llvm::DenseMap IdentifierSourceLocations; /// A cache containing identifiers for which typo correction failed and /// their locations, so that repeated attempts to correct an identifier in a /// given location are ignored if typo correction already failed for it. IdentifierSourceLocations TypoCorrectionFailures; /// Worker object for performing CFG-based warnings. sema::AnalysisBasedWarnings AnalysisWarnings; threadSafety::BeforeSet *ThreadSafetyDeclCache; /// An entity for which implicit template instantiation is required. /// /// The source location associated with the declaration is the first place in /// the source code where the declaration was "used". It is not necessarily /// the point of instantiation (which will be either before or after the /// namespace-scope declaration that triggered this implicit instantiation), /// However, it is the location that diagnostics should generally refer to, /// because users will need to know what code triggered the instantiation. typedef std::pair PendingImplicitInstantiation; /// The queue of implicit template instantiations that are required /// but have not yet been performed. std::deque PendingInstantiations; /// Queue of implicit template instantiations that cannot be performed /// eagerly. SmallVector LateParsedInstantiations; class GlobalEagerInstantiationScope { public: GlobalEagerInstantiationScope(Sema &S, bool Enabled) : S(S), Enabled(Enabled) { if (!Enabled) return; SavedPendingInstantiations.swap(S.PendingInstantiations); SavedVTableUses.swap(S.VTableUses); } void perform() { if (Enabled) { S.DefineUsedVTables(); S.PerformPendingInstantiations(); } } ~GlobalEagerInstantiationScope() { if (!Enabled) return; // Restore the set of pending vtables. assert(S.VTableUses.empty() && "VTableUses should be empty before it is discarded."); S.VTableUses.swap(SavedVTableUses); // Restore the set of pending implicit instantiations. assert(S.PendingInstantiations.empty() && "PendingInstantiations should be empty before it is discarded."); S.PendingInstantiations.swap(SavedPendingInstantiations); } private: Sema &S; SmallVector SavedVTableUses; std::deque SavedPendingInstantiations; bool Enabled; }; /// The queue of implicit template instantiations that are requ