diff --git a/libcxx/.clang-format b/libcxx/.clang-format --- a/libcxx/.clang-format +++ b/libcxx/.clang-format @@ -8,6 +8,7 @@ AlwaysBreakTemplateDeclarations: true PointerAlignment: Left + # Disable formatting options which may break tests. SortIncludes: false ReflowComments: false diff --git a/libcxx/include/__config b/libcxx/include/__config --- a/libcxx/include/__config +++ b/libcxx/include/__config @@ -24,106 +24,106 @@ #ifdef __cplusplus -#define _LIBCPP_VERSION 15000 +# define _LIBCPP_VERSION 15000 -#if __STDC_HOSTED__ == 0 -# define _LIBCPP_FREESTANDING -#endif +# if __STDC_HOSTED__ == 0 +# define _LIBCPP_FREESTANDING +# endif -#ifndef _LIBCPP_STD_VER -# if __cplusplus <= 201103L -# define _LIBCPP_STD_VER 11 -# elif __cplusplus <= 201402L -# define _LIBCPP_STD_VER 14 -# elif __cplusplus <= 201703L -# define _LIBCPP_STD_VER 17 -# elif __cplusplus <= 202002L -# define _LIBCPP_STD_VER 20 +# ifndef _LIBCPP_STD_VER +# if __cplusplus <= 201103L +# define _LIBCPP_STD_VER 11 +# elif __cplusplus <= 201402L +# define _LIBCPP_STD_VER 14 +# elif __cplusplus <= 201703L +# define _LIBCPP_STD_VER 17 +# elif __cplusplus <= 202002L +# define _LIBCPP_STD_VER 20 +# else +# define _LIBCPP_STD_VER 22 // current year, or date of c++2b ratification +# endif +# endif // _LIBCPP_STD_VER + +# if defined(__ELF__) +# define _LIBCPP_OBJECT_FORMAT_ELF 1 +# elif defined(__MACH__) +# define _LIBCPP_OBJECT_FORMAT_MACHO 1 +# elif defined(_WIN32) +# define _LIBCPP_OBJECT_FORMAT_COFF 1 +# elif defined(__wasm__) +# define _LIBCPP_OBJECT_FORMAT_WASM 1 +# elif defined(_AIX) +# define _LIBCPP_OBJECT_FORMAT_XCOFF 1 # else -# define _LIBCPP_STD_VER 22 // current year, or date of c++2b ratification -# endif -#endif // _LIBCPP_STD_VER - -#if defined(__ELF__) -# define _LIBCPP_OBJECT_FORMAT_ELF 1 -#elif defined(__MACH__) -# define _LIBCPP_OBJECT_FORMAT_MACHO 1 -#elif defined(_WIN32) -# define _LIBCPP_OBJECT_FORMAT_COFF 1 -#elif defined(__wasm__) -# define _LIBCPP_OBJECT_FORMAT_WASM 1 -#elif defined(_AIX) -# define _LIBCPP_OBJECT_FORMAT_XCOFF 1 -#else - // ... add new file formats here ... -#endif +// ... add new file formats here ... +# endif -#if _LIBCPP_ABI_VERSION >= 2 +# if _LIBCPP_ABI_VERSION >= 2 // Change short string representation so that string data starts at offset 0, // improving its alignment in some cases. -# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT +# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT // Fix deque iterator type in order to support incomplete types. -# define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE +# define _LIBCPP_ABI_INCOMPLETE_TYPES_IN_DEQUE // Fix undefined behavior in how std::list stores its linked nodes. -# define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB +# define _LIBCPP_ABI_LIST_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __tree stores its end and parent nodes. -# define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB +# define _LIBCPP_ABI_TREE_REMOVE_NODE_POINTER_UB // Fix undefined behavior in how __hash_table stores its pointer types. -# define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB -# define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB -# define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE +# define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB +# define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB +# define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE // Define a key function for `bad_function_call` in the library, to centralize // its vtable and typeinfo to libc++ rather than having all other libraries // using that class define their own copies. -# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION +# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION // Override the default return value of exception::what() for // bad_function_call::what() with a string that is specific to // bad_function_call (see http://wg21.link/LWG2233). This is an ABI break // because it changes the vtable layout of bad_function_call. -# define _LIBCPP_ABI_BAD_FUNCTION_CALL_GOOD_WHAT_MESSAGE +# define _LIBCPP_ABI_BAD_FUNCTION_CALL_GOOD_WHAT_MESSAGE // Enable optimized version of __do_get_(un)signed which avoids redundant copies. -# define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET +# define _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET // In C++20 and later, don't derive std::plus from std::binary_function, // nor std::negate from std::unary_function. -# define _LIBCPP_ABI_NO_BINDER_BASES +# define _LIBCPP_ABI_NO_BINDER_BASES // Give reverse_iterator one data member of type T, not two. // Also, in C++17 and later, don't derive iterator types from std::iterator. -# define _LIBCPP_ABI_NO_ITERATOR_BASES +# define _LIBCPP_ABI_NO_ITERATOR_BASES // Use the smallest possible integer type to represent the index of the variant. // Previously libc++ used "unsigned int" exclusively. -# define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION +# define _LIBCPP_ABI_VARIANT_INDEX_TYPE_OPTIMIZATION // Unstable attempt to provide a more optimized std::function -# define _LIBCPP_ABI_OPTIMIZED_FUNCTION +# define _LIBCPP_ABI_OPTIMIZED_FUNCTION // All the regex constants must be distinct and nonzero. -# define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO +# define _LIBCPP_ABI_REGEX_CONSTANTS_NONZERO // Use raw pointers, not wrapped ones, for std::span's iterator type. -# define _LIBCPP_ABI_SPAN_POINTER_ITERATORS +# define _LIBCPP_ABI_SPAN_POINTER_ITERATORS // Re-worked external template instantiations for std::string with a focus on // performance and fast-path inlining. -# define _LIBCPP_ABI_STRING_OPTIMIZED_EXTERNAL_INSTANTIATION +# define _LIBCPP_ABI_STRING_OPTIMIZED_EXTERNAL_INSTANTIATION // Enable clang::trivial_abi on std::unique_ptr. -# define _LIBCPP_ABI_ENABLE_UNIQUE_PTR_TRIVIAL_ABI +# define _LIBCPP_ABI_ENABLE_UNIQUE_PTR_TRIVIAL_ABI // Enable clang::trivial_abi on std::shared_ptr and std::weak_ptr -# define _LIBCPP_ABI_ENABLE_SHARED_PTR_TRIVIAL_ABI +# define _LIBCPP_ABI_ENABLE_SHARED_PTR_TRIVIAL_ABI // std::random_device holds some state when it uses an implementation that gets // entropy from a file (see _LIBCPP_USING_DEV_RANDOM). When switching from this // implementation to another one on a platform that has already shipped // std::random_device, one needs to retain the same object layout to remain ABI // compatible. This switch removes these workarounds for platforms that don't care // about ABI compatibility. -# define _LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT +# define _LIBCPP_ABI_NO_RANDOM_DEVICE_COMPATIBILITY_LAYOUT // Don't export the legacy __basic_string_common class and its methods from the built library. -# define _LIBCPP_ABI_DO_NOT_EXPORT_BASIC_STRING_COMMON +# define _LIBCPP_ABI_DO_NOT_EXPORT_BASIC_STRING_COMMON // Don't export the legacy __vector_base_common class and its methods from the built library. -# define _LIBCPP_ABI_DO_NOT_EXPORT_VECTOR_BASE_COMMON +# define _LIBCPP_ABI_DO_NOT_EXPORT_VECTOR_BASE_COMMON // According to the Standard, `bitset::operator[] const` returns bool -# define _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL +# define _LIBCPP_ABI_BITSET_VECTOR_BOOL_CONST_SUBSCRIPT_RETURN_BOOL // Remove the base 10 implementation of std::to_chars from the dylib. // The implementation moved to the header, but we still export the symbols from // the dylib for backwards compatibility. -# define _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10 -#elif _LIBCPP_ABI_VERSION == 1 -# if !(defined(_LIBCPP_OBJECT_FORMAT_COFF)||defined(_LIBCPP_OBJECT_FORMAT_XCOFF)) +# define _LIBCPP_ABI_DO_NOT_EXPORT_TO_CHARS_BASE_10 +# elif _LIBCPP_ABI_VERSION == 1 +# if !(defined(_LIBCPP_OBJECT_FORMAT_COFF) || defined(_LIBCPP_OBJECT_FORMAT_XCOFF)) // Enable compiling copies of now inline methods into the dylib to support // applications compiled against older libraries. This is unnecessary with // COFF dllexport semantics, since dllexport forces a non-inline definition @@ -132,194 +132,194 @@ // the linker will take issue with the symbols in the shared object if the // weak inline methods get visibility (such as from -fvisibility-inlines-hidden), // so disable it. -# define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS -# endif +# define _LIBCPP_DEPRECATED_ABI_LEGACY_LIBRARY_DEFINITIONS_FOR_INLINE_FUNCTIONS +# endif // Feature macros for disabling pre ABI v1 features. All of these options // are deprecated. -# if defined(__FreeBSD__) -# define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR +# if defined(__FreeBSD__) +# define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR +# endif # endif -#endif -#if defined(_LIBCPP_BUILDING_LIBRARY) || _LIBCPP_ABI_VERSION >= 2 +# if defined(_LIBCPP_BUILDING_LIBRARY) || _LIBCPP_ABI_VERSION >= 2 // Enable additional explicit instantiations of iostreams components. This // reduces the number of weak definitions generated in programs that use // iostreams by providing a single strong definition in the shared library. -# define _LIBCPP_ABI_ENABLE_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1 +# define _LIBCPP_ABI_ENABLE_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1 // Define a key function for `bad_function_call` in the library, to centralize // its vtable and typeinfo to libc++ rather than having all other libraries // using that class define their own copies. -# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION -#endif +# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION +# endif -#define _LIBCPP_TOSTRING2(x) #x -#define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) +# define _LIBCPP_TOSTRING2(x) # x +# define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x) -#if __cplusplus < 201103L -#define _LIBCPP_CXX03_LANG -#endif +# if __cplusplus < 201103L +# define _LIBCPP_CXX03_LANG +# endif -#ifndef __has_attribute -#define __has_attribute(__x) 0 -#endif +# ifndef __has_attribute +# define __has_attribute(__x) 0 +# endif -#ifndef __has_builtin -#define __has_builtin(__x) 0 -#endif +# ifndef __has_builtin +# define __has_builtin(__x) 0 +# endif -#ifndef __has_extension -#define __has_extension(__x) 0 -#endif +# ifndef __has_extension +# define __has_extension(__x) 0 +# endif -#ifndef __has_feature -#define __has_feature(__x) 0 -#endif +# ifndef __has_feature +# define __has_feature(__x) 0 +# endif -#ifndef __has_cpp_attribute -#define __has_cpp_attribute(__x) 0 -#endif +# ifndef __has_cpp_attribute +# define __has_cpp_attribute(__x) 0 +# endif // '__is_identifier' returns '0' if '__x' is a reserved identifier provided by // the compiler and '1' otherwise. -#ifndef __is_identifier -#define __is_identifier(__x) 1 -#endif +# ifndef __is_identifier +# define __is_identifier(__x) 1 +# endif -#ifndef __has_declspec_attribute -#define __has_declspec_attribute(__x) 0 -#endif +# ifndef __has_declspec_attribute +# define __has_declspec_attribute(__x) 0 +# endif -#define __has_keyword(__x) !(__is_identifier(__x)) +# define __has_keyword(__x) !(__is_identifier(__x)) -#ifndef __has_include -#define __has_include(...) 0 -#endif +# ifndef __has_include +# define __has_include(...) 0 +# endif -#if defined(__apple_build_version__) -# define _LIBCPP_COMPILER_CLANG_BASED -# define _LIBCPP_APPLE_CLANG_VER (__apple_build_version__ / 10000) -#elif defined(__clang__) -# define _LIBCPP_COMPILER_CLANG_BASED -# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) -#elif defined(__GNUC__) -# define _LIBCPP_COMPILER_GCC -#elif defined(_MSC_VER) -# define _LIBCPP_COMPILER_MSVC -#elif defined(__IBMCPP__) -# define _LIBCPP_COMPILER_IBM -#endif +# if defined(__apple_build_version__) +# define _LIBCPP_COMPILER_CLANG_BASED +# define _LIBCPP_APPLE_CLANG_VER (__apple_build_version__ / 10000) +# elif defined(__clang__) +# define _LIBCPP_COMPILER_CLANG_BASED +# define _LIBCPP_CLANG_VER (__clang_major__ * 100 + __clang_minor__) +# elif defined(__GNUC__) +# define _LIBCPP_COMPILER_GCC +# elif defined(_MSC_VER) +# define _LIBCPP_COMPILER_MSVC +# elif defined(__IBMCPP__) +# define _LIBCPP_COMPILER_IBM +# endif -#if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L -#error "libc++ does not support using GCC with C++03. Please enable C++11" -#endif +# if defined(_LIBCPP_COMPILER_GCC) && __cplusplus < 201103L +# error "libc++ does not support using GCC with C++03. Please enable C++11" +# endif // FIXME: ABI detection should be done via compiler builtin macros. This // is just a placeholder until Clang implements such macros. For now assume // that Windows compilers pretending to be MSVC++ target the Microsoft ABI, // and allow the user to explicitly specify the ABI to handle cases where this // heuristic falls short. -#if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT) -# error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined" -#elif defined(_LIBCPP_ABI_FORCE_ITANIUM) -# define _LIBCPP_ABI_ITANIUM -#elif defined(_LIBCPP_ABI_FORCE_MICROSOFT) -# define _LIBCPP_ABI_MICROSOFT -#else -# if defined(_WIN32) && defined(_MSC_VER) +# if defined(_LIBCPP_ABI_FORCE_ITANIUM) && defined(_LIBCPP_ABI_FORCE_MICROSOFT) +# error "Only one of _LIBCPP_ABI_FORCE_ITANIUM and _LIBCPP_ABI_FORCE_MICROSOFT can be defined" +# elif defined(_LIBCPP_ABI_FORCE_ITANIUM) +# define _LIBCPP_ABI_ITANIUM +# elif defined(_LIBCPP_ABI_FORCE_MICROSOFT) # define _LIBCPP_ABI_MICROSOFT # else -# define _LIBCPP_ABI_ITANIUM +# if defined(_WIN32) && defined(_MSC_VER) +# define _LIBCPP_ABI_MICROSOFT +# else +# define _LIBCPP_ABI_ITANIUM +# endif # endif -#endif -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) -# define _LIBCPP_ABI_VCRUNTIME -#endif +# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_NO_VCRUNTIME) +# define _LIBCPP_ABI_VCRUNTIME +# endif // Need to detect which libc we're using if we're on Linux. -#if defined(__linux__) -# include -# if defined(__GLIBC_PREREQ) -# define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b) -# else -# define _LIBCPP_GLIBC_PREREQ(a, b) 0 -# endif // defined(__GLIBC_PREREQ) -#endif // defined(__linux__) - -#if defined(__MVS__) -# include // for __NATIVE_ASCII_F -#endif - -#ifdef __LITTLE_ENDIAN__ -# if __LITTLE_ENDIAN__ -# define _LIBCPP_LITTLE_ENDIAN -# endif // __LITTLE_ENDIAN__ -#endif // __LITTLE_ENDIAN__ +# if defined(__linux__) +# include +# if defined(__GLIBC_PREREQ) +# define _LIBCPP_GLIBC_PREREQ(a, b) __GLIBC_PREREQ(a, b) +# else +# define _LIBCPP_GLIBC_PREREQ(a, b) 0 +# endif // defined(__GLIBC_PREREQ) +# endif // defined(__linux__) -#ifdef __BIG_ENDIAN__ -# if __BIG_ENDIAN__ -# define _LIBCPP_BIG_ENDIAN -# endif // __BIG_ENDIAN__ -#endif // __BIG_ENDIAN__ +# if defined(__MVS__) +# include // for __NATIVE_ASCII_F +# endif -#ifdef __BYTE_ORDER__ -# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +# ifdef __LITTLE_ENDIAN__ +# if __LITTLE_ENDIAN__ +# define _LIBCPP_LITTLE_ENDIAN +# endif // __LITTLE_ENDIAN__ +# endif // __LITTLE_ENDIAN__ + +# ifdef __BIG_ENDIAN__ +# if __BIG_ENDIAN__ +# define _LIBCPP_BIG_ENDIAN +# endif // __BIG_ENDIAN__ +# endif // __BIG_ENDIAN__ + +# ifdef __BYTE_ORDER__ +# if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +# define _LIBCPP_LITTLE_ENDIAN +# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +# define _LIBCPP_BIG_ENDIAN +# endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +# endif // __BYTE_ORDER__ + +# ifdef __FreeBSD__ +# include +# include +# if _BYTE_ORDER == _LITTLE_ENDIAN +# define _LIBCPP_LITTLE_ENDIAN +# else // _BYTE_ORDER == _LITTLE_ENDIAN +# define _LIBCPP_BIG_ENDIAN +# endif // _BYTE_ORDER == _LITTLE_ENDIAN +# endif // __FreeBSD__ + +# if defined(__NetBSD__) || defined(__OpenBSD__) +# include +# if _BYTE_ORDER == _LITTLE_ENDIAN +# define _LIBCPP_LITTLE_ENDIAN +# else // _BYTE_ORDER == _LITTLE_ENDIAN +# define _LIBCPP_BIG_ENDIAN +# endif // _BYTE_ORDER == _LITTLE_ENDIAN +# endif // defined(__NetBSD__) || defined(__OpenBSD__) + +# if defined(_WIN32) +# define _LIBCPP_WIN32API # define _LIBCPP_LITTLE_ENDIAN -# elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -# define _LIBCPP_BIG_ENDIAN -# endif // __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ -#endif // __BYTE_ORDER__ - -#ifdef __FreeBSD__ -# include -# include -# if _BYTE_ORDER == _LITTLE_ENDIAN -# define _LIBCPP_LITTLE_ENDIAN -# else // _BYTE_ORDER == _LITTLE_ENDIAN -# define _LIBCPP_BIG_ENDIAN -# endif // _BYTE_ORDER == _LITTLE_ENDIAN -#endif // __FreeBSD__ - -#if defined(__NetBSD__) || defined(__OpenBSD__) -# include -# if _BYTE_ORDER == _LITTLE_ENDIAN -# define _LIBCPP_LITTLE_ENDIAN -# else // _BYTE_ORDER == _LITTLE_ENDIAN -# define _LIBCPP_BIG_ENDIAN -# endif // _BYTE_ORDER == _LITTLE_ENDIAN -#endif // defined(__NetBSD__) || defined(__OpenBSD__) - -#if defined(_WIN32) -# define _LIBCPP_WIN32API -# define _LIBCPP_LITTLE_ENDIAN -# define _LIBCPP_SHORT_WCHAR 1 +# define _LIBCPP_SHORT_WCHAR 1 // Both MinGW and native MSVC provide a "MSVC"-like environment -# define _LIBCPP_MSVCRT_LIKE +# define _LIBCPP_MSVCRT_LIKE // If mingw not explicitly detected, assume using MS C runtime only if // a MS compatibility version is specified. -# if defined(_MSC_VER) && !defined(__MINGW32__) -# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library -# endif -# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) -# define _LIBCPP_HAS_BITSCAN64 -# endif -# define _LIBCPP_HAS_OPEN_WITH_WCHAR -#endif // defined(_WIN32) +# if defined(_MSC_VER) && !defined(__MINGW32__) +# define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library +# endif +# if (defined(_M_AMD64) || defined(__x86_64__)) || (defined(_M_ARM) || defined(__arm__)) +# define _LIBCPP_HAS_BITSCAN64 +# endif +# define _LIBCPP_HAS_OPEN_WITH_WCHAR +# endif // defined(_WIN32) -#ifdef __sun__ -# include -# ifdef _LITTLE_ENDIAN -# define _LIBCPP_LITTLE_ENDIAN -# else -# define _LIBCPP_BIG_ENDIAN -# endif -#endif // __sun__ +# ifdef __sun__ +# include +# ifdef _LITTLE_ENDIAN +# define _LIBCPP_LITTLE_ENDIAN +# else +# define _LIBCPP_BIG_ENDIAN +# endif +# endif // __sun__ -#if defined(_AIX) && !defined(__64BIT__) - // The size of wchar is 2 byte on 32-bit mode on AIX. -# define _LIBCPP_SHORT_WCHAR 1 -#endif +# if defined(_AIX) && !defined(__64BIT__) +// The size of wchar is 2 byte on 32-bit mode on AIX. +# define _LIBCPP_SHORT_WCHAR 1 +# endif // Libc++ supports various implementations of std::random_device. // @@ -359,671 +359,676 @@ // Use rand_s(), for use on Windows. // When this option is used, the token passed to `std::random_device`'s // constructor *must* be "/dev/urandom" -- anything else is an error. -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \ - defined(__OpenBSD__) || defined(__DragonFly__) || defined(__sun__) -# define _LIBCPP_USING_ARC4_RANDOM -#elif defined(__wasi__) || defined(__EMSCRIPTEN__) -# define _LIBCPP_USING_GETENTROPY -#elif defined(__Fuchsia__) -# define _LIBCPP_USING_FUCHSIA_CPRNG -#elif defined(__native_client__) -# define _LIBCPP_USING_NACL_RANDOM -#elif defined(_LIBCPP_WIN32API) -# define _LIBCPP_USING_WIN32_RANDOM -#else -# define _LIBCPP_USING_DEV_RANDOM -#endif - -#if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) -# include -# if __BYTE_ORDER == __LITTLE_ENDIAN -# define _LIBCPP_LITTLE_ENDIAN -# elif __BYTE_ORDER == __BIG_ENDIAN -# define _LIBCPP_BIG_ENDIAN -# else // __BYTE_ORDER == __BIG_ENDIAN -# error unable to determine endian +# if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \ + defined(__DragonFly__) || defined(__sun__) +# define _LIBCPP_USING_ARC4_RANDOM +# elif defined(__wasi__) || defined(__EMSCRIPTEN__) +# define _LIBCPP_USING_GETENTROPY +# elif defined(__Fuchsia__) +# define _LIBCPP_USING_FUCHSIA_CPRNG +# elif defined(__native_client__) +# define _LIBCPP_USING_NACL_RANDOM +# elif defined(_LIBCPP_WIN32API) +# define _LIBCPP_USING_WIN32_RANDOM +# else +# define _LIBCPP_USING_DEV_RANDOM # endif -#endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) -#if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) -#else -# define _LIBCPP_NO_CFI -#endif +# if !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) +# include +# if __BYTE_ORDER == __LITTLE_ENDIAN +# define _LIBCPP_LITTLE_ENDIAN +# elif __BYTE_ORDER == __BIG_ENDIAN +# define _LIBCPP_BIG_ENDIAN +# else // __BYTE_ORDER == __BIG_ENDIAN +# error unable to determine endian +# endif +# endif // !defined(_LIBCPP_LITTLE_ENDIAN) && !defined(_LIBCPP_BIG_ENDIAN) -#ifndef _LIBCPP_CXX03_LANG -# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp) -#elif defined(_LIBCPP_COMPILER_CLANG_BASED) -# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp) -#else -# error "We don't know a correct way to implement alignof(T) in C++03 outside of Clang" -#endif +# if __has_attribute(__no_sanitize__) && !defined(_LIBCPP_COMPILER_GCC) +# define _LIBCPP_NO_CFI __attribute__((__no_sanitize__("cfi"))) +# else +# define _LIBCPP_NO_CFI +# endif -#define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp) +# ifndef _LIBCPP_CXX03_LANG +# define _LIBCPP_ALIGNOF(_Tp) alignof(_Tp) +# elif defined(_LIBCPP_COMPILER_CLANG_BASED) +# define _LIBCPP_ALIGNOF(_Tp) _Alignof(_Tp) +# else +# error "We don't know a correct way to implement alignof(T) in C++03 outside of Clang" +# endif -#if defined(_LIBCPP_COMPILER_CLANG_BASED) +# define _LIBCPP_PREFERRED_ALIGNOF(_Tp) __alignof(_Tp) -#if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && \ - (!defined(__arm__) || __ARM_ARCH_7K__ >= 2) -# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT -#endif +# if defined(_LIBCPP_COMPILER_CLANG_BASED) -#if __has_feature(cxx_alignas) -# define _ALIGNAS_TYPE(x) alignas(x) -# define _ALIGNAS(x) alignas(x) -#else -# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) -# define _ALIGNAS(x) __attribute__((__aligned__(x))) -#endif +# if defined(__APPLE__) && !defined(__i386__) && !defined(__x86_64__) && (!defined(__arm__) || __ARM_ARCH_7K__ >= 2) +# define _LIBCPP_ABI_ALTERNATE_STRING_LAYOUT +# endif + +# if __has_feature(cxx_alignas) +# define _ALIGNAS_TYPE(x) alignas(x) +# define _ALIGNAS(x) alignas(x) +# else +# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) +# define _ALIGNAS(x) __attribute__((__aligned__(x))) +# endif -#if __cplusplus < 201103L +# if __cplusplus < 201103L typedef __char16_t char16_t; typedef __char32_t char32_t; -#endif +# endif -#if !__has_feature(cxx_exceptions) -# define _LIBCPP_NO_EXCEPTIONS -#endif +# if !__has_feature(cxx_exceptions) +# define _LIBCPP_NO_EXCEPTIONS +# endif -#if __has_feature(cxx_attributes) -# define _LIBCPP_NORETURN [[noreturn]] -#else -# define _LIBCPP_NORETURN __attribute__ ((noreturn)) -#endif +# if __has_feature(cxx_attributes) +# define _LIBCPP_NORETURN [[noreturn]] +# else +# define _LIBCPP_NORETURN __attribute__((noreturn)) +# endif -#ifdef _LIBCPP_CXX03_LANG -# define nullptr __nullptr -#endif +# ifdef _LIBCPP_CXX03_LANG +# define nullptr __nullptr +# endif // Objective-C++ features (opt-in) -#if __has_feature(objc_arc) -#define _LIBCPP_HAS_OBJC_ARC -#endif +# if __has_feature(objc_arc) +# define _LIBCPP_HAS_OBJC_ARC +# endif -#if __has_feature(objc_arc_weak) -#define _LIBCPP_HAS_OBJC_ARC_WEAK -#endif +# if __has_feature(objc_arc_weak) +# define _LIBCPP_HAS_OBJC_ARC_WEAK +# endif -#if __has_extension(blocks) -# define _LIBCPP_HAS_EXTENSION_BLOCKS -#endif +# if __has_extension(blocks) +# define _LIBCPP_HAS_EXTENSION_BLOCKS +# endif -#if defined(_LIBCPP_HAS_EXTENSION_BLOCKS) && defined(__APPLE__) -# define _LIBCPP_HAS_BLOCKS_RUNTIME -#endif +# if defined(_LIBCPP_HAS_EXTENSION_BLOCKS) && defined(__APPLE__) +# define _LIBCPP_HAS_BLOCKS_RUNTIME +# endif -#if !(__has_feature(cxx_noexcept)) -#define _LIBCPP_HAS_NO_NOEXCEPT -#endif +# if !(__has_feature(cxx_noexcept)) +# define _LIBCPP_HAS_NO_NOEXCEPT +# endif -#if !__has_feature(address_sanitizer) -#define _LIBCPP_HAS_NO_ASAN -#endif +# if !__has_feature(address_sanitizer) +# define _LIBCPP_HAS_NO_ASAN +# endif // Allow for build-time disabling of unsigned integer sanitization -#if __has_attribute(no_sanitize) -#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) -#endif +# if __has_attribute(no_sanitize) +# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK __attribute__((__no_sanitize__("unsigned-integer-overflow"))) +# endif -#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) +# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__)) -#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ +# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ -#elif defined(_LIBCPP_COMPILER_GCC) +# elif defined(_LIBCPP_COMPILER_GCC) -#define _ALIGNAS(x) __attribute__((__aligned__(x))) -#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) +# define _ALIGNAS(x) __attribute__((__aligned__(x))) +# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) -#define _LIBCPP_NORETURN __attribute__((noreturn)) +# define _LIBCPP_NORETURN __attribute__((noreturn)) -#if !defined(__EXCEPTIONS) -# define _LIBCPP_NO_EXCEPTIONS -#endif +# if !defined(__EXCEPTIONS) +# define _LIBCPP_NO_EXCEPTIONS +# endif -#if !defined(__SANITIZE_ADDRESS__) -#define _LIBCPP_HAS_NO_ASAN -#endif +# if !defined(__SANITIZE_ADDRESS__) +# define _LIBCPP_HAS_NO_ASAN +# endif -#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) +# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__)) -#define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ +# define _LIBCPP_DISABLE_EXTENSION_WARNING __extension__ -#elif defined(_LIBCPP_COMPILER_MSVC) +# elif defined(_LIBCPP_COMPILER_MSVC) -#define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) +# define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x)) -#if _MSC_VER < 1900 -#error "MSVC versions prior to Visual Studio 2015 are not supported" -#endif +# if _MSC_VER < 1900 +# error "MSVC versions prior to Visual Studio 2015 are not supported" +# endif -#define __alignof__ __alignof -#define _LIBCPP_NORETURN __declspec(noreturn) -#define _ALIGNAS(x) __declspec(align(x)) -#define _ALIGNAS_TYPE(x) alignas(x) +# define __alignof__ __alignof +# define _LIBCPP_NORETURN __declspec(noreturn) +# define _ALIGNAS(x) __declspec(align(x)) +# define _ALIGNAS_TYPE(x) alignas(x) -#define _LIBCPP_WEAK +# define _LIBCPP_WEAK -#define _LIBCPP_HAS_NO_ASAN +# define _LIBCPP_HAS_NO_ASAN -#define _LIBCPP_ALWAYS_INLINE __forceinline +# define _LIBCPP_ALWAYS_INLINE __forceinline -#define _LIBCPP_HAS_NO_VECTOR_EXTENSION +# define _LIBCPP_HAS_NO_VECTOR_EXTENSION -#define _LIBCPP_DISABLE_EXTENSION_WARNING +# define _LIBCPP_DISABLE_EXTENSION_WARNING -#elif defined(_LIBCPP_COMPILER_IBM) +# elif defined(_LIBCPP_COMPILER_IBM) -#define _ALIGNAS(x) __attribute__((__aligned__(x))) -#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) -#define _ATTRIBUTE(x) __attribute__((x)) -#define _LIBCPP_NORETURN __attribute__((noreturn)) +# define _ALIGNAS(x) __attribute__((__aligned__(x))) +# define _ALIGNAS_TYPE(x) __attribute__((__aligned__(_LIBCPP_ALIGNOF(x)))) +# define _ATTRIBUTE(x) __attribute__((x)) +# define _LIBCPP_NORETURN __attribute__((noreturn)) -#define _LIBCPP_HAS_NO_UNICODE_CHARS +# define _LIBCPP_HAS_NO_UNICODE_CHARS -#if defined(_AIX) -#define __MULTILOCALE_API -#endif +# if defined(_AIX) +# define __MULTILOCALE_API +# endif -#define _LIBCPP_HAS_NO_ASAN +# define _LIBCPP_HAS_NO_ASAN -#define _LIBCPP_ALWAYS_INLINE __attribute__ ((__always_inline__)) +# define _LIBCPP_ALWAYS_INLINE __attribute__((__always_inline__)) -#define _LIBCPP_HAS_NO_VECTOR_EXTENSION +# define _LIBCPP_HAS_NO_VECTOR_EXTENSION -#define _LIBCPP_DISABLE_EXTENSION_WARNING +# define _LIBCPP_DISABLE_EXTENSION_WARNING -#endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] +# endif // _LIBCPP_COMPILER_[CLANG|GCC|MSVC|IBM] -#if defined(_LIBCPP_OBJECT_FORMAT_COFF) +# if defined(_LIBCPP_OBJECT_FORMAT_COFF) -#ifdef _DLL -# define _LIBCPP_CRT_FUNC __declspec(dllimport) -#else -# define _LIBCPP_CRT_FUNC -#endif +# ifdef _DLL +# define _LIBCPP_CRT_FUNC __declspec(dllimport) +# else +# define _LIBCPP_CRT_FUNC +# endif -#if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) || (defined(__MINGW32__) && !defined(_LIBCPP_BUILDING_LIBRARY)) -# define _LIBCPP_DLL_VIS -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS -# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS -# define _LIBCPP_OVERRIDABLE_FUNC_VIS -# define _LIBCPP_EXPORTED_FROM_ABI -#elif defined(_LIBCPP_BUILDING_LIBRARY) -# define _LIBCPP_DLL_VIS __declspec(dllexport) -# if defined(__MINGW32__) -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS -# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS -# else -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS -# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS -# endif -# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS -# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport) -#else -# define _LIBCPP_DLL_VIS __declspec(dllimport) -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS -# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS -# define _LIBCPP_OVERRIDABLE_FUNC_VIS -# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport) -#endif +# if defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) || (defined(__MINGW32__) && !defined(_LIBCPP_BUILDING_LIBRARY)) +# define _LIBCPP_DLL_VIS +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS +# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS +# define _LIBCPP_OVERRIDABLE_FUNC_VIS +# define _LIBCPP_EXPORTED_FROM_ABI +# elif defined(_LIBCPP_BUILDING_LIBRARY) +# define _LIBCPP_DLL_VIS __declspec(dllexport) +# if defined(__MINGW32__) +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS +# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS +# else +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS +# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS _LIBCPP_DLL_VIS +# endif +# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_DLL_VIS +# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllexport) +# else +# define _LIBCPP_DLL_VIS __declspec(dllimport) +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS _LIBCPP_DLL_VIS +# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS +# define _LIBCPP_OVERRIDABLE_FUNC_VIS +# define _LIBCPP_EXPORTED_FROM_ABI __declspec(dllimport) +# endif -#define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS -#define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS -#define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS -#define _LIBCPP_HIDDEN -#define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS -#define _LIBCPP_TEMPLATE_VIS -#define _LIBCPP_TEMPLATE_DATA_VIS -#define _LIBCPP_ENUM_VIS +# define _LIBCPP_TYPE_VIS _LIBCPP_DLL_VIS +# define _LIBCPP_FUNC_VIS _LIBCPP_DLL_VIS +# define _LIBCPP_EXCEPTION_ABI _LIBCPP_DLL_VIS +# define _LIBCPP_HIDDEN +# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS +# define _LIBCPP_TEMPLATE_VIS +# define _LIBCPP_TEMPLATE_DATA_VIS +# define _LIBCPP_ENUM_VIS -#endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) +# endif // defined(_LIBCPP_OBJECT_FORMAT_COFF) -#ifndef _LIBCPP_HIDDEN -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden"))) -# else -# define _LIBCPP_HIDDEN +# ifndef _LIBCPP_HIDDEN +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_HIDDEN __attribute__((__visibility__("hidden"))) +# else +# define _LIBCPP_HIDDEN +# endif # endif -#endif -#ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# ifndef _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) // The inline should be removed once PR32114 is resolved -# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN -# else -# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS +# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS inline _LIBCPP_HIDDEN +# else +# define _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS +# endif # endif -#endif -#ifndef _LIBCPP_FUNC_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default"))) -# else -# define _LIBCPP_FUNC_VIS +# ifndef _LIBCPP_FUNC_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_FUNC_VIS __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_FUNC_VIS +# endif # endif -#endif -#ifndef _LIBCPP_TYPE_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default"))) -# else -# define _LIBCPP_TYPE_VIS +# ifndef _LIBCPP_TYPE_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_TYPE_VIS __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_TYPE_VIS +# endif # endif -#endif -#ifndef _LIBCPP_TEMPLATE_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# if __has_attribute(__type_visibility__) -# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__type_visibility__("default"))) +# ifndef _LIBCPP_TEMPLATE_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# if __has_attribute(__type_visibility__) +# define _LIBCPP_TEMPLATE_VIS __attribute__((__type_visibility__("default"))) +# else +# define _LIBCPP_TEMPLATE_VIS __attribute__((__visibility__("default"))) +# endif # else -# define _LIBCPP_TEMPLATE_VIS __attribute__ ((__visibility__("default"))) +# define _LIBCPP_TEMPLATE_VIS # endif -# else -# define _LIBCPP_TEMPLATE_VIS # endif -#endif -#ifndef _LIBCPP_TEMPLATE_DATA_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_TEMPLATE_DATA_VIS __attribute__ ((__visibility__("default"))) -# else -# define _LIBCPP_TEMPLATE_DATA_VIS +# ifndef _LIBCPP_TEMPLATE_DATA_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_TEMPLATE_DATA_VIS __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_TEMPLATE_DATA_VIS +# endif # endif -#endif -#ifndef _LIBCPP_EXPORTED_FROM_ABI -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default"))) -# else -# define _LIBCPP_EXPORTED_FROM_ABI +# ifndef _LIBCPP_EXPORTED_FROM_ABI +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_EXPORTED_FROM_ABI __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_EXPORTED_FROM_ABI +# endif # endif -#endif -#ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS -#define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS -#endif - -#ifndef _LIBCPP_EXCEPTION_ABI -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default"))) -# else -# define _LIBCPP_EXCEPTION_ABI +# ifndef _LIBCPP_OVERRIDABLE_FUNC_VIS +# define _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_FUNC_VIS # endif -#endif -#ifndef _LIBCPP_ENUM_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) -# define _LIBCPP_ENUM_VIS __attribute__ ((__type_visibility__("default"))) -# else -# define _LIBCPP_ENUM_VIS +# ifndef _LIBCPP_EXCEPTION_ABI +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_EXCEPTION_ABI __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_EXCEPTION_ABI +# endif # endif -#endif -#ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__ ((__visibility__("default"))) -# else -# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS +# ifndef _LIBCPP_ENUM_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) && __has_attribute(__type_visibility__) +# define _LIBCPP_ENUM_VIS __attribute__((__type_visibility__("default"))) +# else +# define _LIBCPP_ENUM_VIS +# endif # endif -#endif - -#ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS -#define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS -#endif -#if __has_attribute(internal_linkage) -# define _LIBCPP_INTERNAL_LINKAGE __attribute__ ((internal_linkage)) -#else -# define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE -#endif +# ifndef _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __attribute__((__visibility__("default"))) +# else +# define _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS +# endif +# endif -#if __has_attribute(exclude_from_explicit_instantiation) -# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__ ((__exclude_from_explicit_instantiation__)) -#else - // Try to approximate the effect of exclude_from_explicit_instantiation - // (which is that entities are not assumed to be provided by explicit - // template instantiations in the dylib) by always inlining those entities. -# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE -#endif +# ifndef _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS +# define _LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS +# endif -#ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU -# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT -# define _LIBCPP_HIDE_FROM_ABI_PER_TU 0 +# if __has_attribute(internal_linkage) +# define _LIBCPP_INTERNAL_LINKAGE __attribute__((internal_linkage)) # else -# define _LIBCPP_HIDE_FROM_ABI_PER_TU 1 +# define _LIBCPP_INTERNAL_LINKAGE _LIBCPP_ALWAYS_INLINE # endif -#endif -#ifndef _LIBCPP_HIDE_FROM_ABI -# if _LIBCPP_HIDE_FROM_ABI_PER_TU -# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE +# if __has_attribute(exclude_from_explicit_instantiation) +# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION __attribute__((__exclude_from_explicit_instantiation__)) # else -# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION +// Try to approximate the effect of exclude_from_explicit_instantiation +// (which is that entities are not assumed to be provided by explicit +// template instantiations in the dylib) by always inlining those entities. +# define _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION _LIBCPP_ALWAYS_INLINE # endif -#endif -#ifdef _LIBCPP_BUILDING_LIBRARY -# if _LIBCPP_ABI_VERSION > 1 -# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI +# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU +# ifndef _LIBCPP_HIDE_FROM_ABI_PER_TU_BY_DEFAULT +# define _LIBCPP_HIDE_FROM_ABI_PER_TU 0 +# else +# define _LIBCPP_HIDE_FROM_ABI_PER_TU 1 +# endif +# endif + +# ifndef _LIBCPP_HIDE_FROM_ABI +# if _LIBCPP_HIDE_FROM_ABI_PER_TU +# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_INTERNAL_LINKAGE +# else +# define _LIBCPP_HIDE_FROM_ABI _LIBCPP_HIDDEN _LIBCPP_EXCLUDE_FROM_EXPLICIT_INSTANTIATION +# endif +# endif + +# ifdef _LIBCPP_BUILDING_LIBRARY +# if _LIBCPP_ABI_VERSION > 1 +# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI +# else +# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 +# endif # else -# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 +# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI # endif -#else -# define _LIBCPP_HIDE_FROM_ABI_AFTER_V1 _LIBCPP_HIDE_FROM_ABI -#endif // Just so we can migrate to the new macros gradually. -#define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI +# define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI // Inline namespaces are available in Clang/GCC/MSVC regardless of C++ dialect. -#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE { -#define _LIBCPP_END_NAMESPACE_STD } } -#define _VSTD std +// clang-format off +# define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { inline namespace _LIBCPP_ABI_NAMESPACE { +# define _LIBCPP_END_NAMESPACE_STD }} +# define _VSTD std + _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD -#if _LIBCPP_STD_VER > 14 -#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ - _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem { -#else -#define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ - _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem { -#endif +# if _LIBCPP_STD_VER > 14 +# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ + _LIBCPP_BEGIN_NAMESPACE_STD inline namespace __fs { namespace filesystem { +# else +# define _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM \ + _LIBCPP_BEGIN_NAMESPACE_STD namespace __fs { namespace filesystem { +# endif -#define _LIBCPP_END_NAMESPACE_FILESYSTEM \ - _LIBCPP_END_NAMESPACE_STD } } +# define _LIBCPP_END_NAMESPACE_FILESYSTEM _LIBCPP_END_NAMESPACE_STD }} +// clang-format on -#define _VSTD_FS std::__fs::filesystem +# define _VSTD_FS std::__fs::filesystem -#if __has_attribute(__enable_if__) -# define _LIBCPP_PREFERRED_OVERLOAD __attribute__ ((__enable_if__(true, ""))) -#endif +# if __has_attribute(__enable_if__) +# define _LIBCPP_PREFERRED_OVERLOAD __attribute__((__enable_if__(true, ""))) +# endif -#ifndef _LIBCPP_HAS_NO_NOEXCEPT -# define _NOEXCEPT noexcept -# define _NOEXCEPT_(x) noexcept(x) -#else -# define _NOEXCEPT throw() -# define _NOEXCEPT_(x) -#endif +# ifndef _LIBCPP_HAS_NO_NOEXCEPT +# define _NOEXCEPT noexcept +# define _NOEXCEPT_(x) noexcept(x) +# else +# define _NOEXCEPT throw() +# define _NOEXCEPT_(x) +# endif -#ifdef _LIBCPP_HAS_NO_UNICODE_CHARS -typedef unsigned short char16_t; -typedef unsigned int char32_t; -#endif +# ifdef _LIBCPP_HAS_NO_UNICODE_CHARS + typedef unsigned short char16_t; +typedef unsigned int char32_t; +# endif -#ifndef __SIZEOF_INT128__ -#define _LIBCPP_HAS_NO_INT128 -#endif +# ifndef __SIZEOF_INT128__ +# define _LIBCPP_HAS_NO_INT128 +# endif -#ifdef _LIBCPP_CXX03_LANG -# define static_assert(...) _Static_assert(__VA_ARGS__) -# define decltype(...) __decltype(__VA_ARGS__) -#endif // _LIBCPP_CXX03_LANG +# ifdef _LIBCPP_CXX03_LANG +# define static_assert(...) _Static_assert(__VA_ARGS__) +# define decltype(...) __decltype(__VA_ARGS__) +# endif // _LIBCPP_CXX03_LANG -#ifdef _LIBCPP_CXX03_LANG -# define _LIBCPP_CONSTEXPR -#else -# define _LIBCPP_CONSTEXPR constexpr -#endif +# ifdef _LIBCPP_CXX03_LANG +# define _LIBCPP_CONSTEXPR +# else +# define _LIBCPP_CONSTEXPR constexpr +# endif -#ifndef __cpp_consteval -# define _LIBCPP_CONSTEVAL _LIBCPP_CONSTEXPR -#else -# define _LIBCPP_CONSTEVAL consteval -#endif +# ifndef __cpp_consteval +# define _LIBCPP_CONSTEVAL _LIBCPP_CONSTEXPR +# else +# define _LIBCPP_CONSTEVAL consteval +# endif -#ifdef __GNUC__ -# define _LIBCPP_NOALIAS __attribute__((__malloc__)) -#else -# define _LIBCPP_NOALIAS -#endif +# ifdef __GNUC__ +# define _LIBCPP_NOALIAS __attribute__((__malloc__)) +# else +# define _LIBCPP_NOALIAS +# endif -#if __has_attribute(using_if_exists) -# define _LIBCPP_USING_IF_EXISTS __attribute__((using_if_exists)) -#else -# define _LIBCPP_USING_IF_EXISTS -#endif +# if __has_attribute(using_if_exists) +# define _LIBCPP_USING_IF_EXISTS __attribute__((using_if_exists)) +# else +# define _LIBCPP_USING_IF_EXISTS +# endif -#ifdef _LIBCPP_CXX03_LANG -# define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx -# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ - __lx __v_; \ - _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \ - _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ - _LIBCPP_INLINE_VISIBILITY operator int() const {return __v_;} \ - }; -#else // _LIBCPP_CXX03_LANG -# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x -# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) -#endif // _LIBCPP_CXX03_LANG - -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || \ - defined(__sun__) || defined(__NetBSD__) -#define _LIBCPP_LOCALE__L_EXTENSIONS 1 -#endif +# ifdef _LIBCPP_CXX03_LANG +# define _LIBCPP_DECLARE_STRONG_ENUM(x) \ + struct _LIBCPP_TYPE_VIS x { \ + enum __lx +// clang-format off +# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \ + __lx __v_; \ + _LIBCPP_INLINE_VISIBILITY x(__lx __v) : __v_(__v) {} \ + _LIBCPP_INLINE_VISIBILITY explicit x(int __v) : __v_(static_cast<__lx>(__v)) {} \ + _LIBCPP_INLINE_VISIBILITY operator int() const { return __v_; } \ + }; +// clang-format on + +# else // _LIBCPP_CXX03_LANG +# define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_ENUM_VIS x +# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) +# endif // _LIBCPP_CXX03_LANG + +# if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || defined(__sun__) || \ + defined(__NetBSD__) +# define _LIBCPP_LOCALE__L_EXTENSIONS 1 +# endif -#ifdef __FreeBSD__ -#define _DECLARE_C99_LDBL_MATH 1 -#endif +# ifdef __FreeBSD__ +# define _DECLARE_C99_LDBL_MATH 1 +# endif // If we are getting operator new from the MSVC CRT, then allocation overloads // for align_val_t were added in 19.12, aka VS 2017 version 15.3. -#if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912 -# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION -#elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new) - // We're deferring to Microsoft's STL to provide aligned new et al. We don't - // have it unless the language feature test macro is defined. -# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION -#elif defined(__MVS__) -# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION -#endif +# if defined(_LIBCPP_MSVCRT) && defined(_MSC_VER) && _MSC_VER < 1912 +# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION +# elif defined(_LIBCPP_ABI_VCRUNTIME) && !defined(__cpp_aligned_new) +// We're deferring to Microsoft's STL to provide aligned new et al. We don't +// have it unless the language feature test macro is defined. +# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION +# elif defined(__MVS__) +# define _LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION +# endif -#if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || \ - (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606) -# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION -#endif +# if defined(_LIBCPP_HAS_NO_LIBRARY_ALIGNED_ALLOCATION) || (!defined(__cpp_aligned_new) || __cpp_aligned_new < 201606) +# define _LIBCPP_HAS_NO_ALIGNED_ALLOCATION +# endif -#if defined(__APPLE__) || defined(__FreeBSD__) -#define _LIBCPP_HAS_DEFAULTRUNELOCALE -#endif +# if defined(__APPLE__) || defined(__FreeBSD__) +# define _LIBCPP_HAS_DEFAULTRUNELOCALE +# endif -#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) -#define _LIBCPP_WCTYPE_IS_MASK -#endif +# if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__) +# define _LIBCPP_WCTYPE_IS_MASK +# endif -#if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t) -#define _LIBCPP_HAS_NO_CHAR8_T -#endif +# if _LIBCPP_STD_VER <= 17 || !defined(__cpp_char8_t) +# define _LIBCPP_HAS_NO_CHAR8_T +# endif // Deprecation macros. // // Deprecations warnings are always enabled, except when users explicitly opt-out // by defining _LIBCPP_DISABLE_DEPRECATION_WARNINGS. -#if !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS) -# if __has_attribute(deprecated) -# define _LIBCPP_DEPRECATED __attribute__ ((deprecated)) -# elif _LIBCPP_STD_VER > 11 -# define _LIBCPP_DEPRECATED [[deprecated]] +# if !defined(_LIBCPP_DISABLE_DEPRECATION_WARNINGS) +# if __has_attribute(deprecated) +# define _LIBCPP_DEPRECATED __attribute__((deprecated)) +# elif _LIBCPP_STD_VER > 11 +# define _LIBCPP_DEPRECATED [[deprecated]] +# else +# define _LIBCPP_DEPRECATED +# endif # else # define _LIBCPP_DEPRECATED # endif -#else -# define _LIBCPP_DEPRECATED -#endif -#if !defined(_LIBCPP_CXX03_LANG) -# define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED -#else -# define _LIBCPP_DEPRECATED_IN_CXX11 -#endif +# if !defined(_LIBCPP_CXX03_LANG) +# define _LIBCPP_DEPRECATED_IN_CXX11 _LIBCPP_DEPRECATED +# else +# define _LIBCPP_DEPRECATED_IN_CXX11 +# endif -#if _LIBCPP_STD_VER > 11 -# define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED -#else -# define _LIBCPP_DEPRECATED_IN_CXX14 -#endif +# if _LIBCPP_STD_VER > 11 +# define _LIBCPP_DEPRECATED_IN_CXX14 _LIBCPP_DEPRECATED +# else +# define _LIBCPP_DEPRECATED_IN_CXX14 +# endif -#if _LIBCPP_STD_VER > 14 -# define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED -#else -# define _LIBCPP_DEPRECATED_IN_CXX17 -#endif +# if _LIBCPP_STD_VER > 14 +# define _LIBCPP_DEPRECATED_IN_CXX17 _LIBCPP_DEPRECATED +# else +# define _LIBCPP_DEPRECATED_IN_CXX17 +# endif -#if _LIBCPP_STD_VER > 17 -# define _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_DEPRECATED -#else -# define _LIBCPP_DEPRECATED_IN_CXX20 -#endif +# if _LIBCPP_STD_VER > 17 +# define _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_DEPRECATED +# else +# define _LIBCPP_DEPRECATED_IN_CXX20 +# endif -#if !defined(_LIBCPP_HAS_NO_CHAR8_T) -# define _LIBCPP_DEPRECATED_WITH_CHAR8_T _LIBCPP_DEPRECATED -#else -# define _LIBCPP_DEPRECATED_WITH_CHAR8_T -#endif +# if !defined(_LIBCPP_HAS_NO_CHAR8_T) +# define _LIBCPP_DEPRECATED_WITH_CHAR8_T _LIBCPP_DEPRECATED +# else +# define _LIBCPP_DEPRECATED_WITH_CHAR8_T +# endif // Macros to enter and leave a state where deprecation warnings are suppressed. -#if defined(_LIBCPP_COMPILER_CLANG_BASED) || defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \ - _Pragma("GCC diagnostic push") \ - _Pragma("GCC diagnostic ignored \"-Wdeprecated\"") \ - _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") -# define _LIBCPP_SUPPRESS_DEPRECATED_POP \ - _Pragma("GCC diagnostic pop") -#else -# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH -# define _LIBCPP_SUPPRESS_DEPRECATED_POP -#endif +# if defined(_LIBCPP_COMPILER_CLANG_BASED) || defined(_LIBCPP_COMPILER_GCC) +# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH \ + _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wdeprecated\"") \ + _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +# define _LIBCPP_SUPPRESS_DEPRECATED_POP _Pragma("GCC diagnostic pop") +# else +# define _LIBCPP_SUPPRESS_DEPRECATED_PUSH +# define _LIBCPP_SUPPRESS_DEPRECATED_POP +# endif -#if _LIBCPP_STD_VER <= 11 -# define _LIBCPP_EXPLICIT_AFTER_CXX11 -#else -# define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit -#endif +# if _LIBCPP_STD_VER <= 11 +# define _LIBCPP_EXPLICIT_AFTER_CXX11 +# else +# define _LIBCPP_EXPLICIT_AFTER_CXX11 explicit +# endif -#if _LIBCPP_STD_VER > 11 -# define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr -#else -# define _LIBCPP_CONSTEXPR_AFTER_CXX11 -#endif +# if _LIBCPP_STD_VER > 11 +# define _LIBCPP_CONSTEXPR_AFTER_CXX11 constexpr +# else +# define _LIBCPP_CONSTEXPR_AFTER_CXX11 +# endif -#if _LIBCPP_STD_VER > 14 -# define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr -#else -# define _LIBCPP_CONSTEXPR_AFTER_CXX14 -#endif +# if _LIBCPP_STD_VER > 14 +# define _LIBCPP_CONSTEXPR_AFTER_CXX14 constexpr +# else +# define _LIBCPP_CONSTEXPR_AFTER_CXX14 +# endif -#if _LIBCPP_STD_VER > 17 -# define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr -#else -# define _LIBCPP_CONSTEXPR_AFTER_CXX17 -#endif +# if _LIBCPP_STD_VER > 17 +# define _LIBCPP_CONSTEXPR_AFTER_CXX17 constexpr +# else +# define _LIBCPP_CONSTEXPR_AFTER_CXX17 +# endif -#if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC) -# define _LIBCPP_NODISCARD [[nodiscard]] -#elif defined(_LIBCPP_COMPILER_CLANG_BASED) && !defined(_LIBCPP_CXX03_LANG) -# define _LIBCPP_NODISCARD [[clang::warn_unused_result]] -#else +# if __has_cpp_attribute(nodiscard) || defined(_LIBCPP_COMPILER_MSVC) +# define _LIBCPP_NODISCARD [[nodiscard]] +# elif defined(_LIBCPP_COMPILER_CLANG_BASED) && !defined(_LIBCPP_CXX03_LANG) +# define _LIBCPP_NODISCARD [[clang::warn_unused_result]] +# else // We can't use GCC's [[gnu::warn_unused_result]] and // __attribute__((warn_unused_result)), because GCC does not silence them via // (void) cast. -# define _LIBCPP_NODISCARD -#endif +# define _LIBCPP_NODISCARD +# endif // _LIBCPP_NODISCARD_EXT may be used to apply [[nodiscard]] to entities not // specified as such as an extension. -#if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT) -# define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD -#else -# define _LIBCPP_NODISCARD_EXT -#endif +# if defined(_LIBCPP_ENABLE_NODISCARD) && !defined(_LIBCPP_DISABLE_NODISCARD_EXT) +# define _LIBCPP_NODISCARD_EXT _LIBCPP_NODISCARD +# else +# define _LIBCPP_NODISCARD_EXT +# endif -#if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && \ - (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD)) -# define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD -#else -# define _LIBCPP_NODISCARD_AFTER_CXX17 -#endif +# if !defined(_LIBCPP_DISABLE_NODISCARD_AFTER_CXX17) && (_LIBCPP_STD_VER > 17 || defined(_LIBCPP_ENABLE_NODISCARD)) +# define _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_NODISCARD +# else +# define _LIBCPP_NODISCARD_AFTER_CXX17 +# endif -#if __has_attribute(no_destroy) -# define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__)) -#else -# define _LIBCPP_NO_DESTROY -#endif +# if __has_attribute(no_destroy) +# define _LIBCPP_NO_DESTROY __attribute__((__no_destroy__)) +# else +# define _LIBCPP_NO_DESTROY +# endif -#ifndef _LIBCPP_HAS_NO_ASAN -extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container( - const void *, const void *, const void *, const void *); -#endif +# ifndef _LIBCPP_HAS_NO_ASAN +extern "C" _LIBCPP_FUNC_VIS void __sanitizer_annotate_contiguous_container(const void*, const void*, const void*, + const void*); +# endif // Try to find out if RTTI is disabled. -#if defined(_LIBCPP_COMPILER_CLANG_BASED) && !__has_feature(cxx_rtti) -# define _LIBCPP_NO_RTTI -#elif defined(__GNUC__) && !defined(__GXX_RTTI) -# define _LIBCPP_NO_RTTI -#elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI) -# define _LIBCPP_NO_RTTI -#endif +# if defined(_LIBCPP_COMPILER_CLANG_BASED) && !__has_feature(cxx_rtti) +# define _LIBCPP_NO_RTTI +# elif defined(__GNUC__) && !defined(__GXX_RTTI) +# define _LIBCPP_NO_RTTI +# elif defined(_LIBCPP_COMPILER_MSVC) && !defined(_CPPRTTI) +# define _LIBCPP_NO_RTTI +# endif -#ifndef _LIBCPP_WEAK -#define _LIBCPP_WEAK __attribute__((__weak__)) -#endif +# ifndef _LIBCPP_WEAK +# define _LIBCPP_WEAK __attribute__((__weak__)) +# endif // Thread API -#if !defined(_LIBCPP_HAS_NO_THREADS) && \ - !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ - !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \ - !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) -# if defined(__FreeBSD__) || \ - defined(__wasi__) || \ - defined(__NetBSD__) || \ - defined(__OpenBSD__) || \ - defined(__NuttX__) || \ - defined(__linux__) || \ - defined(__GNU__) || \ - defined(__APPLE__) || \ - defined(__sun__) || \ - defined(__MVS__) || \ - defined(_AIX) || \ - defined(__EMSCRIPTEN__) -# define _LIBCPP_HAS_THREAD_API_PTHREAD -# elif defined(__Fuchsia__) - // TODO(44575): Switch to C11 thread API when possible. -# define _LIBCPP_HAS_THREAD_API_PTHREAD -# elif defined(_LIBCPP_WIN32API) -# define _LIBCPP_HAS_THREAD_API_WIN32 -# else -# error "No thread API" -# endif // _LIBCPP_HAS_THREAD_API -#endif // _LIBCPP_HAS_NO_THREADS - -#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) -#if defined(__ANDROID__) && __ANDROID_API__ >= 30 -#define _LIBCPP_HAS_COND_CLOCKWAIT -#elif defined(_LIBCPP_GLIBC_PREREQ) -#if _LIBCPP_GLIBC_PREREQ(2, 30) -#define _LIBCPP_HAS_COND_CLOCKWAIT -#endif -#endif -#endif +// clang-format off +# if !defined(_LIBCPP_HAS_NO_THREADS) && \ + !defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && \ + !defined(_LIBCPP_HAS_THREAD_API_WIN32) && \ + !defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) + +# if defined(__FreeBSD__) || \ + defined(__wasi__) || \ + defined(__NetBSD__) || \ + defined(__OpenBSD__) || \ + defined(__NuttX__) || \ + defined(__linux__) || \ + defined(__GNU__) || \ + defined(__APPLE__) || \ + defined(__sun__) || \ + defined(__MVS__) || \ + defined(_AIX) || \ + defined(__EMSCRIPTEN__) +// clang-format on +# define _LIBCPP_HAS_THREAD_API_PTHREAD +# elif defined(__Fuchsia__) +// TODO(44575): Switch to C11 thread API when possible. +# define _LIBCPP_HAS_THREAD_API_PTHREAD +# elif defined(_LIBCPP_WIN32API) +# define _LIBCPP_HAS_THREAD_API_WIN32 +# else +# error "No thread API" +# endif // _LIBCPP_HAS_THREAD_API +# endif // _LIBCPP_HAS_NO_THREADS + +# if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) +# if defined(__ANDROID__) && __ANDROID_API__ >= 30 +# define _LIBCPP_HAS_COND_CLOCKWAIT +# elif defined(_LIBCPP_GLIBC_PREREQ) +# if _LIBCPP_GLIBC_PREREQ(2, 30) +# define _LIBCPP_HAS_COND_CLOCKWAIT +# endif +# endif +# endif -#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) -#error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ +# if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_PTHREAD) +# error _LIBCPP_HAS_THREAD_API_PTHREAD may only be defined when \ _LIBCPP_HAS_NO_THREADS is not defined. -#endif +# endif -#if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) -#error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ +# if defined(_LIBCPP_HAS_NO_THREADS) && defined(_LIBCPP_HAS_THREAD_API_EXTERNAL) +# error _LIBCPP_HAS_THREAD_API_EXTERNAL may not be defined when \ _LIBCPP_HAS_NO_THREADS is defined. -#endif +# endif -#if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) -#error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ +# if defined(_LIBCPP_HAS_NO_MONOTONIC_CLOCK) && !defined(_LIBCPP_HAS_NO_THREADS) +# error _LIBCPP_HAS_NO_MONOTONIC_CLOCK may only be defined when \ _LIBCPP_HAS_NO_THREADS is defined. -#endif +# endif -#if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(__STDCPP_THREADS__) -#define __STDCPP_THREADS__ 1 -#endif +# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(__STDCPP_THREADS__) +# define __STDCPP_THREADS__ 1 +# endif // The glibc and Bionic implementation of pthreads implements // pthread_mutex_destroy as nop for regular mutexes. Additionally, Win32 @@ -1035,11 +1040,13 @@ // // TODO(EricWF): Enable this optimization on Bionic after speaking to their // respective stakeholders. -#if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) \ - || (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) \ - || defined(_LIBCPP_HAS_THREAD_API_WIN32) -# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION -#endif +// clang-format off +# if (defined(_LIBCPP_HAS_THREAD_API_PTHREAD) && defined(__GLIBC__)) || \ + (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || \ + defined(_LIBCPP_HAS_THREAD_API_WIN32) +// clang-format on +# define _LIBCPP_HAS_TRIVIAL_MUTEX_DESTRUCTION +# endif // Destroying a condvar is a nop on Windows. // @@ -1049,246 +1056,238 @@ // // TODO(EricWF): This is potentially true for some pthread implementations // as well. -#if (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || \ - defined(_LIBCPP_HAS_THREAD_API_WIN32) -# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION -#endif +# if (defined(_LIBCPP_HAS_THREAD_API_C11) && defined(__Fuchsia__)) || defined(_LIBCPP_HAS_THREAD_API_WIN32) +# define _LIBCPP_HAS_TRIVIAL_CONDVAR_DESTRUCTION +# endif // Some systems do not provide gets() in their C library, for security reasons. -#if defined(_LIBCPP_MSVCRT) || \ - (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043) || \ - defined(__OpenBSD__) -# define _LIBCPP_C_HAS_NO_GETS -#endif - -#if defined(__BIONIC__) || defined(__NuttX__) || \ - defined(__Fuchsia__) || defined(__wasi__) || \ - defined(_LIBCPP_HAS_MUSL_LIBC) || defined(__OpenBSD__) -#define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE -#endif +# if defined(_LIBCPP_MSVCRT) || (defined(__FreeBSD_version) && __FreeBSD_version >= 1300043) || defined(__OpenBSD__) +# define _LIBCPP_C_HAS_NO_GETS +# endif -#if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) -# define _LIBCPP_HAS_C_ATOMIC_IMP -#elif defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_HAS_GCC_ATOMIC_IMP -#endif +# if defined(__BIONIC__) || defined(__NuttX__) || defined(__Fuchsia__) || defined(__wasi__) || \ + defined(_LIBCPP_HAS_MUSL_LIBC) || defined(__OpenBSD__) +# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE +# endif -#if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && \ - !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \ - !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP) -# define _LIBCPP_HAS_NO_ATOMIC_HEADER -#else -# ifndef _LIBCPP_ATOMIC_FLAG_TYPE -# define _LIBCPP_ATOMIC_FLAG_TYPE bool +# if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic) +# define _LIBCPP_HAS_C_ATOMIC_IMP +# elif defined(_LIBCPP_COMPILER_GCC) +# define _LIBCPP_HAS_GCC_ATOMIC_IMP # endif -# ifdef _LIBCPP_FREESTANDING -# define _LIBCPP_ATOMIC_ONLY_USE_BUILTINS + +# if !defined(_LIBCPP_HAS_C_ATOMIC_IMP) && !defined(_LIBCPP_HAS_GCC_ATOMIC_IMP) && \ + !defined(_LIBCPP_HAS_EXTERNAL_ATOMIC_IMP) +# define _LIBCPP_HAS_NO_ATOMIC_HEADER +# else +# ifndef _LIBCPP_ATOMIC_FLAG_TYPE +# define _LIBCPP_ATOMIC_FLAG_TYPE bool +# endif +# ifdef _LIBCPP_FREESTANDING +# define _LIBCPP_ATOMIC_ONLY_USE_BUILTINS +# endif # endif -#endif -#ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK -#define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK -#endif +# ifndef _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK +# define _LIBCPP_DISABLE_UBSAN_UNSIGNED_INTEGER_CHECK +# endif -#if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) -# if defined(__clang__) && __has_attribute(acquire_capability) +# if defined(_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS) +# if defined(__clang__) && __has_attribute(acquire_capability) // Work around the attribute handling in clang. When both __declspec and // __attribute__ are present, the processing goes awry preventing the definition // of the types. In MinGW mode, __declspec evaluates to __attribute__, and thus // combining the two does work. -# if !defined(_MSC_VER) -# define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS +# if !defined(_MSC_VER) +# define _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS +# endif # endif # endif -#endif -#ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS -# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x)) -#else -# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) -#endif +# ifdef _LIBCPP_HAS_THREAD_SAFETY_ANNOTATIONS +# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) __attribute__((x)) +# else +# define _LIBCPP_THREAD_SAFETY_ANNOTATION(x) +# endif -#if _LIBCPP_STD_VER > 17 -# define _LIBCPP_CONSTINIT constinit -#elif __has_attribute(require_constant_initialization) -# define _LIBCPP_CONSTINIT __attribute__((__require_constant_initialization__)) -#else -# define _LIBCPP_CONSTINIT -#endif +# if _LIBCPP_STD_VER > 17 +# define _LIBCPP_CONSTINIT constinit +# elif __has_attribute(require_constant_initialization) +# define _LIBCPP_CONSTINIT __attribute__((__require_constant_initialization__)) +# else +# define _LIBCPP_CONSTINIT +# endif -#if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) -# define _LIBCPP_DIAGNOSE_WARNING(...) \ - __attribute__((diagnose_if(__VA_ARGS__, "warning"))) -# define _LIBCPP_DIAGNOSE_ERROR(...) \ - __attribute__((diagnose_if(__VA_ARGS__, "error"))) -#else -# define _LIBCPP_DIAGNOSE_WARNING(...) -# define _LIBCPP_DIAGNOSE_ERROR(...) -#endif +# if __has_attribute(diagnose_if) && !defined(_LIBCPP_DISABLE_ADDITIONAL_DIAGNOSTICS) +# define _LIBCPP_DIAGNOSE_WARNING(...) __attribute__((diagnose_if(__VA_ARGS__, "warning"))) +# define _LIBCPP_DIAGNOSE_ERROR(...) __attribute__((diagnose_if(__VA_ARGS__, "error"))) +# else +# define _LIBCPP_DIAGNOSE_WARNING(...) +# define _LIBCPP_DIAGNOSE_ERROR(...) +# endif // Use a function like macro to imply that it must be followed by a semicolon -#if _LIBCPP_STD_VER > 14 && __has_cpp_attribute(fallthrough) -# define _LIBCPP_FALLTHROUGH() [[fallthrough]] -#elif __has_cpp_attribute(clang::fallthrough) -# define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]] -#elif __has_attribute(__fallthrough__) -# define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__)) -#else -# define _LIBCPP_FALLTHROUGH() ((void)0) -#endif +# if _LIBCPP_STD_VER > 14 && __has_cpp_attribute(fallthrough) +# define _LIBCPP_FALLTHROUGH() [[fallthrough]] +# elif __has_cpp_attribute(clang::fallthrough) +# define _LIBCPP_FALLTHROUGH() [[clang::fallthrough]] +# elif __has_attribute(__fallthrough__) +# define _LIBCPP_FALLTHROUGH() __attribute__((__fallthrough__)) +# else +# define _LIBCPP_FALLTHROUGH() ((void)0) +# endif -#if __has_attribute(__nodebug__) -#define _LIBCPP_NODEBUG __attribute__((__nodebug__)) -#else -#define _LIBCPP_NODEBUG -#endif +# if __has_attribute(__nodebug__) +# define _LIBCPP_NODEBUG __attribute__((__nodebug__)) +# else +# define _LIBCPP_NODEBUG +# endif -#if __has_attribute(__standalone_debug__) -#define _LIBCPP_STANDALONE_DEBUG __attribute__((__standalone_debug__)) -#else -#define _LIBCPP_STANDALONE_DEBUG -#endif +# if __has_attribute(__standalone_debug__) +# define _LIBCPP_STANDALONE_DEBUG __attribute__((__standalone_debug__)) +# else +# define _LIBCPP_STANDALONE_DEBUG +# endif -#if __has_attribute(__preferred_name__) -#define _LIBCPP_PREFERRED_NAME(x) __attribute__((__preferred_name__(x))) -#else -#define _LIBCPP_PREFERRED_NAME(x) -#endif +# if __has_attribute(__preferred_name__) +# define _LIBCPP_PREFERRED_NAME(x) __attribute__((__preferred_name__(x))) +# else +# define _LIBCPP_PREFERRED_NAME(x) +# endif // We often repeat things just for handling wide characters in the library. // When wide characters are disabled, it can be useful to have a quick way of // disabling it without having to resort to #if-#endif, which has a larger // impact on readability. -#if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS) -# define _LIBCPP_IF_WIDE_CHARACTERS(...) -#else -# define _LIBCPP_IF_WIDE_CHARACTERS(...) __VA_ARGS__ -#endif +# if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS) +# define _LIBCPP_IF_WIDE_CHARACTERS(...) +# else +# define _LIBCPP_IF_WIDE_CHARACTERS(...) __VA_ARGS__ +# endif -#if defined(_LIBCPP_ABI_MICROSOFT) && \ - (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) -# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) -#else -# define _LIBCPP_DECLSPEC_EMPTY_BASES -#endif +# if defined(_LIBCPP_ABI_MICROSOFT) && (defined(_LIBCPP_COMPILER_MSVC) || __has_declspec_attribute(empty_bases)) +# define _LIBCPP_DECLSPEC_EMPTY_BASES __declspec(empty_bases) +# else +# define _LIBCPP_DECLSPEC_EMPTY_BASES +# endif -#if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) -#define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR -#define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS -#define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE -#define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS -#endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES - -#if defined(_LIBCPP_ENABLE_CXX20_REMOVED_FEATURES) -#define _LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS -#define _LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS -#define _LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS -#define _LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR -#define _LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS -#endif // _LIBCPP_ENABLE_CXX20_REMOVED_FEATURES - -#if !defined(__cpp_impl_coroutine) || __cpp_impl_coroutine < 201902L -#define _LIBCPP_HAS_NO_CXX20_COROUTINES -#endif +# if defined(_LIBCPP_ENABLE_CXX17_REMOVED_FEATURES) +# define _LIBCPP_ENABLE_CXX17_REMOVED_AUTO_PTR +# define _LIBCPP_ENABLE_CXX17_REMOVED_BINDERS +# define _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE +# define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS +# endif // _LIBCPP_ENABLE_CXX17_REMOVED_FEATURES + +# if defined(_LIBCPP_ENABLE_CXX20_REMOVED_FEATURES) +# define _LIBCPP_ENABLE_CXX20_REMOVED_ALLOCATOR_MEMBERS +# define _LIBCPP_ENABLE_CXX20_REMOVED_BINDER_TYPEDEFS +# define _LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS +# define _LIBCPP_ENABLE_CXX20_REMOVED_RAW_STORAGE_ITERATOR +# define _LIBCPP_ENABLE_CXX20_REMOVED_TYPE_TRAITS +# endif // _LIBCPP_ENABLE_CXX20_REMOVED_FEATURES + +# if !defined(__cpp_impl_coroutine) || __cpp_impl_coroutine < 201902L +# define _LIBCPP_HAS_NO_CXX20_COROUTINES +# endif # define _LIBCPP_PUSH_MACROS _Pragma("push_macro(\"min\")") _Pragma("push_macro(\"max\")") # define _LIBCPP_POP_MACROS _Pragma("pop_macro(\"min\")") _Pragma("pop_macro(\"max\")") -#ifndef _LIBCPP_NO_AUTO_LINK -# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) -# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) -# pragma comment(lib, "c++.lib") -# else -# pragma comment(lib, "libc++.lib") -# endif -# endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) -#endif // _LIBCPP_NO_AUTO_LINK +# ifndef _LIBCPP_NO_AUTO_LINK +# if defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) +# if !defined(_LIBCPP_DISABLE_VISIBILITY_ANNOTATIONS) +# pragma comment(lib, "c++.lib") +# else +# pragma comment(lib, "libc++.lib") +# endif +# endif // defined(_LIBCPP_ABI_MICROSOFT) && !defined(_LIBCPP_BUILDING_LIBRARY) +# endif // _LIBCPP_NO_AUTO_LINK // Configures the fopen close-on-exec mode character, if any. This string will // be appended to any mode string used by fstream for fopen/fdopen. // // Not all platforms support this, but it helps avoid fd-leaks on platforms that // do. -#if defined(__BIONIC__) -# define _LIBCPP_FOPEN_CLOEXEC_MODE "e" -#else -# define _LIBCPP_FOPEN_CLOEXEC_MODE -#endif +# if defined(__BIONIC__) +# define _LIBCPP_FOPEN_CLOEXEC_MODE "e" +# else +# define _LIBCPP_FOPEN_CLOEXEC_MODE +# endif // Support for _FILE_OFFSET_BITS=64 landed gradually in Android, so the full set // of functions used in cstdio may not be available for low API levels when // using 64-bit file offsets on LP32. -#if defined(__BIONIC__) && defined(__USE_FILE_OFFSET64) && __ANDROID_API__ < 24 -#define _LIBCPP_HAS_NO_FGETPOS_FSETPOS -#endif +# if defined(__BIONIC__) && defined(__USE_FILE_OFFSET64) && __ANDROID_API__ < 24 +# define _LIBCPP_HAS_NO_FGETPOS_FSETPOS +# endif -#if __has_attribute(init_priority) - // TODO: Remove this once we drop support for building libc++ with old Clangs -# if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 1200) || \ - (defined(__apple_build_version__) && __apple_build_version__ < 13000000) -# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(101))) -# else -# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(100))) -# endif -#else -# define _LIBCPP_INIT_PRIORITY_MAX -#endif +# if __has_attribute(init_priority) +// TODO: Remove this once we drop support for building libc++ with old Clangs +# if (defined(_LIBCPP_CLANG_VER) && _LIBCPP_CLANG_VER < 1200) || \ + (defined(__apple_build_version__) && __apple_build_version__ < 13000000) +# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(101))) +# else +# define _LIBCPP_INIT_PRIORITY_MAX __attribute__((init_priority(100))) +# endif +# else +# define _LIBCPP_INIT_PRIORITY_MAX +# endif -#if defined(__GNUC__) || defined(__clang__) - // The attribute uses 1-based indices for ordinary and static member functions. - // The attribute uses 2-based indices for non-static member functions. -# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) \ - __attribute__((__format__(archetype, format_string_index, first_format_arg_index))) -#else -# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) /* nothing */ -#endif +# if defined(__GNUC__) || defined(__clang__) +// The attribute uses 1-based indices for ordinary and static member functions. +// The attribute uses 2-based indices for non-static member functions. +# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) \ + __attribute__((__format__(archetype, format_string_index, first_format_arg_index))) +# else +# define _LIBCPP_ATTRIBUTE_FORMAT(archetype, format_string_index, first_format_arg_index) /* nothing */ +# endif -#if __has_cpp_attribute(msvc::no_unique_address) - // MSVC implements [[no_unique_address]] as a silent no-op currently. - // (If/when MSVC breaks its C++ ABI, it will be changed to work as intended.) - // However, MSVC implements [[msvc::no_unique_address]] which does what - // [[no_unique_address]] is supposed to do, in general. - - // Clang-cl does not yet (14.0) implement either [[no_unique_address]] or - // [[msvc::no_unique_address]] though. If/when it does implement - // [[msvc::no_unique_address]], this should be preferred though. -# define _LIBCPP_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]] -#elif __has_cpp_attribute(no_unique_address) -# define _LIBCPP_NO_UNIQUE_ADDRESS [[no_unique_address]] -#else -# define _LIBCPP_NO_UNIQUE_ADDRESS /* nothing */ - // Note that this can be replaced by #error as soon as clang-cl - // implements msvc::no_unique_address, since there should be no C++20 - // compiler that doesn't support one of the two attributes at that point. - // We generally don't want to use this macro outside of C++20-only code, - // because using it conditionally in one language version only would make - // the ABI inconsistent. -#endif +# if __has_cpp_attribute(msvc::no_unique_address) +// MSVC implements [[no_unique_address]] as a silent no-op currently. +// (If/when MSVC breaks its C++ ABI, it will be changed to work as intended.) +// However, MSVC implements [[msvc::no_unique_address]] which does what +// [[no_unique_address]] is supposed to do, in general. + +// Clang-cl does not yet (14.0) implement either [[no_unique_address]] or +// [[msvc::no_unique_address]] though. If/when it does implement +// [[msvc::no_unique_address]], this should be preferred though. +# define _LIBCPP_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]] +# elif __has_cpp_attribute(no_unique_address) +# define _LIBCPP_NO_UNIQUE_ADDRESS [[no_unique_address]] +# else +# define _LIBCPP_NO_UNIQUE_ADDRESS /* nothing */ +// Note that this can be replaced by #error as soon as clang-cl +// implements msvc::no_unique_address, since there should be no C++20 +// compiler that doesn't support one of the two attributes at that point. +// We generally don't want to use this macro outside of C++20-only code, +// because using it conditionally in one language version only would make +// the ABI inconsistent. +# endif -#ifdef _LIBCPP_COMPILER_CLANG_BASED -# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") -# define _LIBCPP_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str)) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) -#elif defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") -# define _LIBCPP_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(GCC diagnostic ignored str)) -#else -# define _LIBCPP_DIAGNOSTIC_PUSH -# define _LIBCPP_DIAGNOSTIC_POP -# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) -# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) -#endif +# ifdef _LIBCPP_COMPILER_CLANG_BASED +# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") +# define _LIBCPP_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") +# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(clang diagnostic ignored str)) +# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) +# elif defined(_LIBCPP_COMPILER_GCC) +# define _LIBCPP_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") +# define _LIBCPP_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") +# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) +# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) _Pragma(_LIBCPP_TOSTRING(GCC diagnostic ignored str)) +# else +# define _LIBCPP_DIAGNOSTIC_PUSH +# define _LIBCPP_DIAGNOSTIC_POP +# define _LIBCPP_CLANG_DIAGNOSTIC_IGNORED(str) +# define _LIBCPP_GCC_DIAGNOSTIC_IGNORED(str) +# endif -#if defined(_AIX) && !defined(_LIBCPP_COMPILER_GCC) -# define _LIBCPP_PACKED_BYTE_FOR_AIX _Pragma("pack(1)") -# define _LIBCPP_PACKED_BYTE_FOR_AIX_END _Pragma("pack(pop)") -#else -# define _LIBCPP_PACKED_BYTE_FOR_AIX /* empty */ -# define _LIBCPP_PACKED_BYTE_FOR_AIX_END /* empty */ -#endif +# if defined(_AIX) && !defined(_LIBCPP_COMPILER_GCC) +# define _LIBCPP_PACKED_BYTE_FOR_AIX _Pragma("pack(1)") +# define _LIBCPP_PACKED_BYTE_FOR_AIX_END _Pragma("pack(pop)") +# else +# define _LIBCPP_PACKED_BYTE_FOR_AIX /* empty */ +# define _LIBCPP_PACKED_BYTE_FOR_AIX_END /* empty */ +# endif #endif // __cplusplus