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include/llvm/ADT/StringSwitch.h
| Show All 9 Lines | |||||
| 10 | // statement whose cases are string literals. | 10 | // statement whose cases are string literals. | ||
| 11 | // | 11 | // | ||
| 12 | //===----------------------------------------------------------------------===/ | 12 | //===----------------------------------------------------------------------===/ | ||
| 13 | #ifndef LLVM_ADT_STRINGSWITCH_H | 13 | #ifndef LLVM_ADT_STRINGSWITCH_H | ||
| 14 | #define LLVM_ADT_STRINGSWITCH_H | 14 | #define LLVM_ADT_STRINGSWITCH_H | ||
| 15 | 15 | | |||
| 16 | #include "llvm/ADT/StringRef.h" | 16 | #include "llvm/ADT/StringRef.h" | ||
| 17 | #include "llvm/Support/Compiler.h" | 17 | #include "llvm/Support/Compiler.h" | ||
| 18 | #include "llvm/Support/ErrorHandling.h" | ||||
| 18 | #include <cassert> | 19 | #include <cassert> | ||
| 19 | #include <cstring> | 20 | #include <cstring> | ||
| 20 | 21 | | |||
| 21 | namespace llvm { | 22 | namespace llvm { | ||
| 22 | 23 | | |||
| 23 | /// \brief A switch()-like statement whose cases are string literals. | 24 | /// \brief A switch()-like statement whose cases are string literals. | ||
| 24 | /// | 25 | /// | ||
| 25 | /// The StringSwitch class is a simple form of a switch() statement that | 26 | /// The StringSwitch class is a simple form of a switch() statement that | ||
| ▲ Show 20 Lines • Show All 217 Lines • ▼ Show 20 Line(s) | 52 | public: | |||
| 243 | LLVM_ATTRIBUTE_ALWAYS_INLINE | 244 | LLVM_ATTRIBUTE_ALWAYS_INLINE | ||
| 244 | R Default(const T &Value) const { | 245 | R Default(const T &Value) const { | ||
| 245 | if (Result) | 246 | if (Result) | ||
| 246 | return *Result; | 247 | return *Result; | ||
| 247 | return Value; | 248 | return Value; | ||
| 248 | } | 249 | } | ||
| 249 | 250 | | |||
| 250 | LLVM_ATTRIBUTE_ALWAYS_INLINE | 251 | LLVM_ATTRIBUTE_ALWAYS_INLINE | ||
| 252 | R UnreachableDefault(const char *Msg) const { | ||||
| 253 | if (Result) | ||||
| 254 | return *Result; | ||||
| 255 | report_fatal_error(Msg); | ||||
| 256 | } | ||||
| 257 | | ||||
| 258 | LLVM_ATTRIBUTE_ALWAYS_INLINE | ||||
| 251 | operator R() const { | 259 | operator R() const { | ||
| 252 | assert(Result && "Fell off the end of a string-switch"); | 260 | assert(Result && "Fell off the end of a string-switch"); | ||
| 253 | return *Result; | 261 | return *Result; | ||
| 254 | } | 262 | } | ||
| 255 | }; | 263 | }; | ||
| 256 | 264 | | |||
| 257 | } // end namespace llvm | 265 | } // end namespace llvm | ||
| 258 | 266 | | |||
| 259 | #endif // LLVM_ADT_STRINGSWITCH_H | 267 | #endif // LLVM_ADT_STRINGSWITCH_H | ||