diff options
Diffstat (limited to 'absl/base')
| -rw-r--r-- | absl/base/internal/raw_logging.h | 14 | ||||
| -rw-r--r-- | absl/base/macros.h | 11 |
2 files changed, 19 insertions, 6 deletions
diff --git a/absl/base/internal/raw_logging.h b/absl/base/internal/raw_logging.h index 2508f3cf..20f4291b 100644 --- a/absl/base/internal/raw_logging.h +++ b/absl/base/internal/raw_logging.h @@ -72,12 +72,14 @@ // // The API is a subset of the above: each macro only takes two arguments. Use // StrCat if you need to build a richer message. -#define ABSL_INTERNAL_LOG(severity, message) \ - do { \ - constexpr const char* absl_raw_logging_internal_filename = __FILE__; \ - ::absl::raw_logging_internal::internal_log_function( \ - ABSL_RAW_LOGGING_INTERNAL_##severity, \ - absl_raw_logging_internal_filename, __LINE__, message); \ +#define ABSL_INTERNAL_LOG(severity, message) \ + do { \ + constexpr const char* absl_raw_logging_internal_filename = __FILE__; \ + ::absl::raw_logging_internal::internal_log_function( \ + ABSL_RAW_LOGGING_INTERNAL_##severity, \ + absl_raw_logging_internal_filename, __LINE__, message); \ + if (ABSL_RAW_LOGGING_INTERNAL_##severity == ::absl::LogSeverity::kFatal) \ + ABSL_INTERNAL_UNREACHABLE; \ } while (0) #define ABSL_INTERNAL_CHECK(condition, message) \ diff --git a/absl/base/macros.h b/absl/base/macros.h index 02dd9ff4..3e085a91 100644 --- a/absl/base/macros.h +++ b/absl/base/macros.h @@ -144,4 +144,15 @@ ABSL_NAMESPACE_END #define ABSL_INTERNAL_RETHROW do {} while (false) #endif // ABSL_HAVE_EXCEPTIONS +// `ABSL_INTERNAL_UNREACHABLE` is an unreachable statement. A program which +// reaches one has undefined behavior, and the compiler may optimize +// accordingly. +#if defined(__GNUC__) || ABSL_HAVE_BUILTIN(__builtin_unreachable) +#define ABSL_INTERNAL_UNREACHABLE __builtin_unreachable() +#elif defined(_MSC_VER) +#define ABSL_INTERNAL_UNREACHABLE __assume(0) +#else +#define ABSL_INTERNAL_UNREACHABLE +#endif + #endif // ABSL_BASE_MACROS_H_ |