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Diffstat (limited to 'include/ruby/3/attr/constexpr.h')
| -rw-r--r-- | include/ruby/3/attr/constexpr.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/include/ruby/3/attr/constexpr.h b/include/ruby/3/attr/constexpr.h deleted file mode 100644 index 576ec7fb8f..0000000000 --- a/include/ruby/3/attr/constexpr.h +++ /dev/null @@ -1,85 +0,0 @@ -#ifndef RUBY3_ATTR_CONSTEXPR_H /*-*-C++-*-vi:se ft=cpp:*/ -#define RUBY3_ATTR_CONSTEXPR_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 `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 #RUBY3_ATTR_CONSTEXPR. - */ -#include "ruby/3/has/feature.h" -#include "ruby/3/compiler_is.h" -#include "ruby/3/token_paste.h" - -/** @cond INTERNAL_MACRO */ -#if ! defined(__cplusplus) -# /* Makes no sense. */ -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 0 -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 0 - -#elif defined(__cpp_constexpr) -# /* https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations */ -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 (__cpp_constexpr >= 200704L) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 (__cpp_constexpr >= 201304L) - -#elif RUBY3_COMPILER_SINCE(MSVC, 19, 0, 0) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 RUBY3_COMPILER_SINCE(MSVC, 19, 00, 00) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 RUBY3_COMPILER_SINCE(MSVC, 19, 11, 00) - -#elif RUBY3_COMPILER_SINCE(SunPro, 5, 13, 0) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 (__cplusplus >= 201103L) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 (__cplusplus >= 201402L) - -#elif RUBY3_COMPILER_SINCE(GCC, 4, 9, 0) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 (__cplusplus >= 201103L) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 (__cplusplus >= 201402L) - -#elif RUBY3_HAS_FEATURE(cxx_relaxed_constexpr) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 1 -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 1 - -#elif RUBY3_HAS_FEATURE(cxx_constexpr) -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 1 -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 0 - -#else -# /* :FIXME: icpc must have constexpr but don't know how to detect. */ -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX11 0 -# define RUBY3_HAS_ATTR_CONSTEXPR_CXX14 0 -#endif -/** @endcond */ - -/** Wraps (or simulates) C++11 `constexpr`. */ -#if RUBY3_HAS_ATTR_CONSTEXPR_CXX14 -# define RUBY3_ATTR_CONSTEXPR(_) constexpr - -#elif RUBY3_HAS_ATTR_CONSTEXPR_CXX11 -# define RUBY3_ATTR_CONSTEXPR(_) RUBY3_TOKEN_PASTE(RUBY3_ATTR_CONSTEXPR_, _) -# define RUBY3_ATTR_CONSTEXPR_CXX11 constexpr -# define RUBY3_ATTR_CONSTEXPR_CXX14 /* void */ - -#else -# define RUBY3_ATTR_CONSTEXPR(_) /* void */ -#endif - -/** Enables #RUBY3_ATTR_CONSTEXPR iff. #RUBY_NDEBUG. */ -#if RUBY_NDEBUG -# define RUBY3_ATTR_CONSTEXPR_ON_NDEBUG(_) RUBY3_ATTR_CONSTEXPR(_) -#else -# define RUBY3_ATTR_CONSTEXPR_ON_NDEBUG(_) /* void */ -#endif - -#endif /* RUBY3_ATTR_CONSTEXPR_H */ |