LLVM: include/llvm/Demangle/DemangleConfig.h Source File (original) (raw)

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15#ifndef LLVM_DEMANGLE_DEMANGLECONFIG_H

16#define LLVM_DEMANGLE_DEMANGLECONFIG_H

17

18#ifndef __has_feature

19#define __has_feature(x) 0

20#endif

21

22#ifndef __has_cpp_attribute

23#define __has_cpp_attribute(x) 0

24#endif

25

26#ifndef __has_attribute

27#define __has_attribute(x) 0

28#endif

29

30#ifndef __has_builtin

31#define __has_builtin(x) 0

32#endif

33

34#ifndef DEMANGLE_GNUC_PREREQ

35#if defined(__GNUC__) && defined(__GNUC_MINOR__) && defined(__GNUC_PATCHLEVEL__)

36#define DEMANGLE_GNUC_PREREQ(maj, min, patch) \

37 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) + __GNUC_PATCHLEVEL__ >= \

38 ((maj) << 20) + ((min) << 10) + (patch))

39#elif defined(__GNUC__) && defined(__GNUC_MINOR__)

40#define DEMANGLE_GNUC_PREREQ(maj, min, patch) \

41 ((__GNUC__ << 20) + (__GNUC_MINOR__ << 10) >= ((maj) << 20) + ((min) << 10))

42#else

43#define DEMANGLE_GNUC_PREREQ(maj, min, patch) 0

44#endif

45#endif

46

47#if __has_attribute(used) || DEMANGLE_GNUC_PREREQ(3, 1, 0)

48#define DEMANGLE_ATTRIBUTE_USED __attribute__((__used__))

49#else

50#define DEMANGLE_ATTRIBUTE_USED

51#endif

52

53#if __has_builtin(__builtin_unreachable) || DEMANGLE_GNUC_PREREQ(4, 5, 0)

54#define DEMANGLE_UNREACHABLE __builtin_unreachable()

55#elif defined(_MSC_VER)

56#define DEMANGLE_UNREACHABLE __assume(false)

57#else

58#define DEMANGLE_UNREACHABLE

59#endif

60

61#if __has_attribute(noinline) || DEMANGLE_GNUC_PREREQ(3, 4, 0)

62#define DEMANGLE_ATTRIBUTE_NOINLINE __attribute__((noinline))

63#elif defined(_MSC_VER)

64#define DEMANGLE_ATTRIBUTE_NOINLINE __declspec(noinline)

65#else

66#define DEMANGLE_ATTRIBUTE_NOINLINE

67#endif

68

69#if !defined(NDEBUG)

70#define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE DEMANGLE_ATTRIBUTE_USED

71#else

72#define DEMANGLE_DUMP_METHOD DEMANGLE_ATTRIBUTE_NOINLINE

73#endif

74

75#if __cplusplus > 201402L && __has_cpp_attribute(fallthrough)

76#define DEMANGLE_FALLTHROUGH [[fallthrough]]

77#elif __has_cpp_attribute(gnu::fallthrough)

78#define DEMANGLE_FALLTHROUGH [[gnu::fallthrough]]

79#elif !__cplusplus

80

81

82#define DEMANGLE_FALLTHROUGH

83#elif __has_cpp_attribute(clang::fallthrough)

84#define DEMANGLE_FALLTHROUGH [[clang::fallthrough]]

85#else

86#define DEMANGLE_FALLTHROUGH

87#endif

88

89#ifndef DEMANGLE_ASSERT

90#include

91#define DEMANGLE_ASSERT(__expr, __msg) assert((__expr) && (__msg))

92#endif

93

94#define DEMANGLE_NAMESPACE_BEGIN namespace llvm { namespace itanium_demangle {

95#define DEMANGLE_NAMESPACE_END } }

96

97#endif