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Editing: declspec_attribute.h
#ifndef RBIMPL_HAS_DECLSPEC_ATTRIBUTE_H /*-*-C++-*-vi:se ft=cpp:*/ #define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_H /** * @file * @author Ruby developers <ruby-core@ruby-lang.org> * @copyright This file is a part of the programming language Ruby. * Permission is hereby granted, to either redistribute and/or * modify this file, provided that the conditions mentioned in the * file COPYING are met. Consult the file for details. * @warning Symbols prefixed with either `RBIMPL` or `rbimpl` are * implementation details. Don't take them as canon. They could * rapidly appear then vanish. The name (path) of this header file * is also an implementation detail. Do not expect it to persist * at the place it is now. Developers are free to move it anywhere * anytime at will. * @note To ruby-core: remember that this header can be possibly * recursively included from extension libraries written in C++. * Do not expect for instance `__VA_ARGS__` is always available. * We assume C99 for ruby itself but we don't assume languages of * extension libraries. They could be written in C++98. * @brief Defines #RBIMPL_HAS_DECLSPEC_ATTRIBUTE. */ #include "ruby/internal/compiler_since.h" /** Wraps (or simulates) `__has_declspec_attribute`. */ #if defined(__has_declspec_attribute) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE(_) __has_declspec_attribute(_) #else # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE(_) (RBIMPL_HAS_DECLSPEC_ATTRIBUTE_ ## _) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_align RBIMPL_COMPILER_SINCE(MSVC, 8, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_deprecated RBIMPL_COMPILER_SINCE(MSVC,13, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_dllexport RBIMPL_COMPILER_SINCE(MSVC, 8, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_dllimport RBIMPL_COMPILER_SINCE(MSVC, 8, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_empty_bases RBIMPL_COMPILER_SINCE(MSVC,19, 0, 23918) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_noalias RBIMPL_COMPILER_SINCE(MSVC, 8, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_noinline RBIMPL_COMPILER_SINCE(MSVC,13, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_noreturn RBIMPL_COMPILER_SINCE(MSVC,11, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_nothrow RBIMPL_COMPILER_SINCE(MSVC, 8, 0, 0) # define RBIMPL_HAS_DECLSPEC_ATTRIBUTE_restrict RBIMPL_COMPILER_SINCE(MSVC,14, 0, 0) # /* Note that "8, 0, 0" might be inaccurate. */ # if ! defined(__cplusplus) # /* Clang has this in both C/C++, but MSVC has this in C++ only.*/ # undef RBIMPL_HAS_DECLSPEC_ATTRIBUTE_nothrow # endif #endif #endif /* RBIMPL_HAS_DECLSPEC_ATTRIBUTE_H */
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