| #ifndef BENCHMARK_INTERNAL_MACROS_H_ |
| #define BENCHMARK_INTERNAL_MACROS_H_ |
| |
| #include "benchmark/benchmark.h" |
| |
| #ifndef __has_feature |
| #define __has_feature(x) 0 |
| #endif |
| #ifndef __has_builtin |
| #define __has_builtin(x) 0 |
| #endif |
| |
| #if defined(__clang__) |
| #if !defined(COMPILER_CLANG) |
| #define COMPILER_CLANG |
| #endif |
| #elif defined(_MSC_VER) |
| #if !defined(COMPILER_MSVC) |
| #define COMPILER_MSVC |
| #endif |
| #elif defined(__GNUC__) |
| #if !defined(COMPILER_GCC) |
| #define COMPILER_GCC |
| #endif |
| #endif |
| |
| #if __has_feature(cxx_attributes) |
| #define BENCHMARK_NORETURN [[noreturn]] |
| #elif defined(__GNUC__) |
| #define BENCHMARK_NORETURN __attribute__((noreturn)) |
| #elif defined(COMPILER_MSVC) |
| #define BENCHMARK_NORETURN __declspec(noreturn) |
| #else |
| #define BENCHMARK_NORETURN |
| #endif |
| |
| #if defined(__CYGWIN__) |
| #define BENCHMARK_OS_CYGWIN 1 |
| #elif defined(_WIN32) |
| #define BENCHMARK_OS_WINDOWS 1 |
| #elif defined(__APPLE__) |
| #include "TargetConditionals.h" |
| #if defined(TARGET_OS_MAC) |
| #define BENCHMARK_OS_MACOSX 1 |
| #if defined(TARGET_OS_IPHONE) |
| #define BENCHMARK_OS_IOS 1 |
| #endif |
| #endif |
| #elif defined(__FreeBSD__) |
| #define BENCHMARK_OS_FREEBSD 1 |
| #elif defined(__NetBSD__) |
| #define BENCHMARK_OS_NETBSD 1 |
| #elif defined(__linux__) |
| #define BENCHMARK_OS_LINUX 1 |
| #elif defined(__native_client__) |
| #define BENCHMARK_OS_NACL 1 |
| #elif defined(EMSCRIPTEN) |
| #define BENCHMARK_OS_EMSCRIPTEN 1 |
| #elif defined(__rtems__) |
| #define BENCHMARK_OS_RTEMS 1 |
| #endif |
| |
| #if !__has_feature(cxx_exceptions) && !defined(__cpp_exceptions) \ |
| && !defined(__EXCEPTIONS) |
| #define BENCHMARK_HAS_NO_EXCEPTIONS |
| #endif |
| |
| #if defined(COMPILER_CLANG) || defined(COMPILER_GCC) |
| #define BENCHMARK_MAYBE_UNUSED __attribute__((unused)) |
| #else |
| #define BENCHMARK_MAYBE_UNUSED |
| #endif |
| |
| #if defined(COMPILER_GCC) || __has_builtin(__builtin_unreachable) |
| #define BENCHMARK_UNREACHABLE() __builtin_unreachable() |
| #elif defined(COMPILER_MSVC) |
| #define BENCHMARK_UNREACHABLE() __assume(false) |
| #else |
| #define BENCHMARK_UNREACHABLE() ((void)0) |
| #endif |
| |
| #endif // BENCHMARK_INTERNAL_MACROS_H_ |