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| author | Jakob Schnitzer <mail@jakobschnitzer.de> | 2017-06-28 16:52:04 +0200 |
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| committer | Jakob Schnitzer <mail@jakobschnitzer.de> | 2017-06-28 16:52:04 +0200 |
| commit | e8829710bc5f38208499e0ad38402eac24a67ac2 (patch) | |
| tree | 4e1ae954c2e301adadbfa7038b823ea9ea2fb08e /src/nvim/macros.h | |
| parent | ff8b2eb435c518f0eafd0e509afe1f5ee4a81fd1 (diff) | |
| parent | f0dafa89c2b7602cfedf0bd3409858e4c212b0a2 (diff) | |
| download | rneovim-e8829710bc5f38208499e0ad38402eac24a67ac2.tar.gz rneovim-e8829710bc5f38208499e0ad38402eac24a67ac2.tar.bz2 rneovim-e8829710bc5f38208499e0ad38402eac24a67ac2.zip | |
Merge branch 'master' into option-fixes
Diffstat (limited to 'src/nvim/macros.h')
| -rw-r--r-- | src/nvim/macros.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/nvim/macros.h b/src/nvim/macros.h index 214af82422..26d4f74b6a 100644 --- a/src/nvim/macros.h +++ b/src/nvim/macros.h @@ -153,4 +153,34 @@ #define STR_(x) #x #define STR(x) STR_(x) +#ifndef __has_attribute +# define NVIM_HAS_ATTRIBUTE(x) 0 +#elif defined(__clang__) && __clang__ == 1 \ + && (__clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ <= 5)) +// Starting in Clang 3.6, __has_attribute was fixed to only report true for +// GNU-style attributes. Prior to that, it reported true if _any_ backend +// supported the attribute. +# define NVIM_HAS_ATTRIBUTE(x) 0 +#else +# define NVIM_HAS_ATTRIBUTE __has_attribute +#endif + +#if NVIM_HAS_ATTRIBUTE(fallthrough) +# define FALLTHROUGH __attribute__((fallthrough)) +#else +# define FALLTHROUGH +#endif + +// -V:STRUCT_CAST:641 + +/// Change type of structure pointers: cast `struct a *` to `struct b *` +/// +/// Used to silence PVS errors. +/// +/// @param Type Structure to cast to. +/// @param obj Object to cast. +/// +/// @return ((Type *)obj). +#define STRUCT_CAST(Type, obj) ((Type *)(obj)) + #endif // NVIM_MACROS_H |