#ifndef RUBY3_ATTR_FORCEINLINE_H /*-*-C++-*-vi:se ft=cpp:*/ #define RUBY3_ATTR_FORCEINLINE_H /** * @file * @author Ruby developers * @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 `RUBY3` or `ruby3` 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 #RUBY3_ATTR_FORCEINLINE. */ #include "ruby/3/compiler_since.h" #include "ruby/3/has/attribute.h" /** * Wraps (or simulates) `__forceinline`. MSVC complains on declarations like * `static inline __forceinline void foo()`. It seems MSVC's `inline` and * `__forceinline` are mutually exclusive. We have to mimic that behaviour for * non-MSVC compilers. */ #if RUBY3_COMPILER_SINCE(MSVC, 12, 0, 0) # define RUBY3_ATTR_FORCEINLINE() __forceinline #elif RUBY3_HAS_ATTRIBUTE(always_inline) # define RUBY3_ATTR_FORCEINLINE() __attribute__((__always_inline__)) inline #else # define RUBY3_ATTR_FORCEINLINE() inline #endif #endif /* RUBY3_ATTR_FORCEINLINE_H */