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mv include/ruby/{impl,internal}

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Devs do not love "impl".
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卜部昌平 2020-05-08 18:10:13 +09:00
parent 0d88fe3a72
commit b85fd1d690
Notes: git 2020-05-11 09:24:41 +09:00
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#ifndef RBIMPL_HAS_ATTRIBUTE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_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_ATTRIBUTE.
*/
#include "ruby/impl/config.h"
#include "ruby/impl/compiler_since.h"
#include "ruby/impl/token_paste.h"
#if defined(__has_attribute)
# if __has_attribute(pure) || RBIMPL_COMPILER_IS(GCC)
# /* FreeBSD's <sys/cdefs.h> defines its own *broken* version of
# * __has_attribute. Cygwin copied that content to be a victim of the
# * broken-ness. We don't take them into account. */
# define RBIMPL_HAVE___HAS_ATTRIBUTE 1
# endif
#endif
/** Wraps (or simulates) `__has_attribute`. */
#if defined(RBIMPL_HAVE___HAS_ATTRIBUTE)
# define RBIMPL_HAS_ATTRIBUTE(_) __has_attribute(_)
#elif RBIMPL_COMPILER_IS(GCC)
# /* GCC <= 4 lack __has_attribute predefined macro, while have attributes
# * themselves. We can simulate the macro like the following: */
# define RBIMPL_HAS_ATTRIBUTE(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_ATTRIBUTE_, _)
# define RBIMPL_HAS_ATTRIBUTE_aligned RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_alloc_size RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_artificial RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_always_inline RBIMPL_COMPILER_SINCE(GCC, 3, 1, 0)
# define RBIMPL_HAS_ATTRIBUTE_cdecl RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_cold RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_const RBIMPL_COMPILER_SINCE(GCC, 2, 6, 0)
# define RBIMPL_HAS_ATTRIBUTE_deprecated RBIMPL_COMPILER_SINCE(GCC, 3, 1, 0)
# define RBIMPL_HAS_ATTRIBUTE_dllexport RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_dllimport RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_error RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_format RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_hot RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_leaf RBIMPL_COMPILER_SINCE(GCC, 4, 6, 0)
# define RBIMPL_HAS_ATTRIBUTE_malloc RBIMPL_COMPILER_SINCE(GCC, 3, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_no_address_safety_analysis RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0)
# define RBIMPL_HAS_ATTRIBUTE_no_sanitize_address RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0)
# define RBIMPL_HAS_ATTRIBUTE_no_sanitize_undefined RBIMPL_COMPILER_SINCE(GCC, 4, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_noinline RBIMPL_COMPILER_SINCE(GCC, 3, 1, 0)
# define RBIMPL_HAS_ATTRIBUTE_nonnull RBIMPL_COMPILER_SINCE(GCC, 3, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_noreturn RBIMPL_COMPILER_SINCE(GCC, 2, 5, 0)
# define RBIMPL_HAS_ATTRIBUTE_nothrow RBIMPL_COMPILER_SINCE(GCC, 3, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_pure RBIMPL_COMPILER_SINCE(GCC, 2,96, 0)
# define RBIMPL_HAS_ATTRIBUTE_returns_nonnull RBIMPL_COMPILER_SINCE(GCC, 4, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_returns_twice RBIMPL_COMPILER_SINCE(GCC, 4, 1, 0)
# define RBIMPL_HAS_ATTRIBUTE_stdcall RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_unused RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_ATTRIBUTE_visibility RBIMPL_COMPILER_SINCE(GCC, 3, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_warn_unused_result RBIMPL_COMPILER_SINCE(GCC, 3, 4, 0)
# define RBIMPL_HAS_ATTRIBUTE_warning RBIMPL_COMPILER_SINCE(GCC, 4, 3, 0)
# define RBIMPL_HAS_ATTRIBUTE_weak RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# /* Note that "0, 0, 0" might be inaccurate. */
#elif RBIMPL_COMPILER_IS(SunPro)
# /* Oracle Solaris Studio 12.4 (cc version 5.11) introduced __has_attribute.
# * Before that, following attributes were available. */
# /* See https://docs.oracle.com/cd/F24633_01/index.html */
# define RBIMPL_HAS_ATTRIBUTE(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_ATTRIBUTE_, _)
# define RBIMPL_HAS_ATTRIBUTE_alias RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_aligned RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_always_inline RBIMPL_COMPILER_SINCE(SunPro, 5, 10, 0)
# define RBIMPL_HAS_ATTRIBUTE_const RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_constructor RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_destructor RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_malloc RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_noinline RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_noreturn RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_packed RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_pure RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_returns_twice RBIMPL_COMPILER_SINCE(SunPro, 5, 10, 0)
# define RBIMPL_HAS_ATTRIBUTE_vector_size RBIMPL_COMPILER_SINCE(SunPro, 5, 10, 0)
# define RBIMPL_HAS_ATTRIBUTE_visibility RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
# define RBIMPL_HAS_ATTRIBUTE_weak RBIMPL_COMPILER_SINCE(SunPro, 5, 9, 0)
#elif defined (_MSC_VER)
# define RBIMPL_HAS_ATTRIBUTE(_) 0
# /* Fallback below doesn't work: see win32/Makefile.sub */
#else
# /* Take config.h definition when available. */
# define RBIMPL_HAS_ATTRIBUTE(_) (RBIMPL_TOKEN_PASTE(RBIMPL_HAS_ATTRIBUTE_, _)+0)
# ifdef ALWAYS_INLINE
# define RBIMPL_HAS_ATTRIBUTE_always_inline 1
# endif
# ifdef FUNC_CDECL
# define RBIMPL_HAS_ATTRIBUTE_cdecl 1
# endif
# ifdef CONSTFUNC
# define RBIMPL_HAS_ATTRIBUTE_const 1
# endif
# ifdef DEPRECATED
# define RBIMPL_HAS_ATTRIBUTE_deprecated 1
# endif
# ifdef ERRORFUNC
# define RBIMPL_HAS_ATTRIBUTE_error 1
# endif
# ifdef FUNC_FASTCALL
# define RBIMPL_HAS_ATTRIBUTE_fastcall 1
# endif
# ifdef PUREFUNC
# define RBIMPL_HAS_ATTRIBUTE_pure 1
# endif
# ifdef NO_ADDRESS_SAFETY_ANALYSIS
# define RBIMPL_HAS_ATTRIBUTE_no_address_safety_analysis 1
# endif
# ifdef NO_SANITIZE
# define RBIMPL_HAS_ATTRIBUTE_no_sanitize 1
# endif
# ifdef NO_SANITIZE_ADDRESS
# define RBIMPL_HAS_ATTRIBUTE_no_sanitize_address 1
# endif
# ifdef NOINLINE
# define RBIMPL_HAS_ATTRIBUTE_noinline 1
# endif
# ifdef RBIMPL_FUNC_NONNULL
# define RBIMPL_HAS_ATTRIBUTE_nonnull 1
# endif
# ifdef NORETURN
# define RBIMPL_HAS_ATTRIBUTE_noreturn 1
# endif
# ifdef FUNC_OPTIMIZED
# define RBIMPL_HAS_ATTRIBUTE_optimize 1
# endif
# ifdef FUNC_STDCALL
# define RBIMPL_HAS_ATTRIBUTE_stdcall 1
# endif
# ifdef MAYBE_UNUSED
# define RBIMPL_HAS_ATTRIBUTE_unused 1
# endif
# ifdef WARN_UNUSED_RESULT
# define RBIMPL_HAS_ATTRIBUTE_warn_unused_result 1
# endif
# ifdef WARNINGFUNC
# define RBIMPL_HAS_ATTRIBUTE_warning 1
# endif
# ifdef WEAK
# define RBIMPL_HAS_ATTRIBUTE_weak 1
# endif
#endif
#endif /* RBIMPL_HAS_ATTRIBUTE_H */

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#ifndef RBIMPL_HAS_BUILTIN_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_BUILTIN_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_BUILTIN.
*/
#include "ruby/impl/config.h"
#include "ruby/impl/compiler_since.h"
#include "ruby/impl/token_paste.h"
#if defined(__has_builtin)
# if RBIMPL_COMPILER_IS(Intel)
# /* :TODO: Intel C Compiler has __has_builtin (since 19.1 maybe?), and is
# * reportedly broken. We have to skip them. However the situation can
# * change. They might improve someday. We need to revisit here later. */
# elif RBIMPL_COMPILER_IS(GCC) && ! __has_builtin(__builtin_alloca)
# /* FreeBSD's <sys/cdefs.h> defines its own *broken* version of
# * __has_builtin. Cygwin copied that content to be a victim of the
# * broken-ness. We don't take them into account. */
# else
# define RBIMPL_HAVE___HAS_BUILTIN 1
# endif
#endif
/** Wraps (or simulates) `__has_builtin`. */
#if defined(RBIMPL_HAVE___HAS_BUILTIN)
# define RBIMPL_HAS_BUILTIN(_) __has_builtin(_)
#elif RBIMPL_COMPILER_IS(GCC)
# /* :FIXME: Historically GCC has had tons of builtins, but it implemented
# * __has_builtin only since GCC 10. This section can be made more
# * granular. */
# /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66970 */
# define RBIMPL_HAS_BUILTIN(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_BUILTIN_, _)
# define RBIMPL_HAS_BUILTIN___builtin_add_overflow RBIMPL_COMPILER_SINCE(GCC, 5, 1, 0)
# define RBIMPL_HAS_BUILTIN___builtin_alloca RBIMPL_COMPILER_SINCE(GCC, 0, 0, 0)
# define RBIMPL_HAS_BUILTIN___builtin_alloca_with_align RBIMPL_COMPILER_SINCE(GCC, 6, 1, 0)
# /* See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52624 for bswap16. */
# define RBIMPL_HAS_BUILTIN___builtin_bswap16 RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0)
# define RBIMPL_HAS_BUILTIN___builtin_bswap32 RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_bswap64 RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_clz RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_clzl RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_clzll RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_constant_p RBIMPL_COMPILER_SINCE(GCC, 2,95, 3)
# define RBIMPL_HAS_BUILTIN___builtin_ctz RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_ctzl RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_ctzll RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_expect RBIMPL_COMPILER_SINCE(GCC, 3, 0, 0)
# define RBIMPL_HAS_BUILTIN___builtin_mul_overflow RBIMPL_COMPILER_SINCE(GCC, 5, 1, 0)
# define RBIMPL_HAS_BUILTIN___builtin_mul_overflow_p RBIMPL_COMPILER_SINCE(GCC, 7, 0, 0)
# define RBIMPL_HAS_BUILTIN___builtin_popcount RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_popcountl RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_popcountll RBIMPL_COMPILER_SINCE(GCC, 3, 6, 0)
# define RBIMPL_HAS_BUILTIN___builtin_sub_overflow RBIMPL_COMPILER_SINCE(GCC, 5, 1, 0)
# define RBIMPL_HAS_BUILTIN___builtin_unreachable RBIMPL_COMPILER_SINCE(GCC, 4, 5, 0)
# /* Note that "0, 0, 0" might be inaccurate. */
#elif RBIMPL_COMPILER_IS(MSVC)
# /* MSVC has UNREACHABLE, but that is not __builtin_unreachable. */
# define RBIMPL_HAS_BUILTIN(_) 0
#else
# /* Take config.h definition when available */
# define RBIMPL_HAS_BUILTIN(_) (RBIMPL_TOKEN_PASTE(RBIMPL_HAS_BUILTIN_, _)+0)
# define RBIMPL_HAS_BUILTIN___builtin_add_overflow HAVE_BUILTIN___BUILTIN_ADD_OVERFLOW
# define RBIMPL_HAS_BUILTIN___builtin_alloca_with_align HAVE_BUILTIN___BUILTIN_ALLOCA_WITH_ALIGN
# define RBIMPL_HAS_BUILTIN___builtin_assume_aligned HAVE_BUILTIN___BUILTIN_ASSUME_ALIGNED
# define RBIMPL_HAS_BUILTIN___builtin_bswap16 HAVE_BUILTIN___BUILTIN_BSWAP16
# define RBIMPL_HAS_BUILTIN___builtin_bswap32 HAVE_BUILTIN___BUILTIN_BSWAP32
# define RBIMPL_HAS_BUILTIN___builtin_bswap64 HAVE_BUILTIN___BUILTIN_BSWAP64
# define RBIMPL_HAS_BUILTIN___builtin_clz HAVE_BUILTIN___BUILTIN_CLZ
# define RBIMPL_HAS_BUILTIN___builtin_clzl HAVE_BUILTIN___BUILTIN_CLZL
# define RBIMPL_HAS_BUILTIN___builtin_clzll HAVE_BUILTIN___BUILTIN_CLZLL
# define RBIMPL_HAS_BUILTIN___builtin_constant_p HAVE_BUILTIN___BUILTIN_CONSTANT_P
# define RBIMPL_HAS_BUILTIN___builtin_ctz HAVE_BUILTIN___BUILTIN_CTZ
# define RBIMPL_HAS_BUILTIN___builtin_ctzll HAVE_BUILTIN___BUILTIN_CTZLL
# define RBIMPL_HAS_BUILTIN___builtin_expect HAVE_BUILTIN___BUILTIN_EXPECT
# define RBIMPL_HAS_BUILTIN___builtin_mul_overflow HAVE_BUILTIN___BUILTIN_MUL_OVERFLOW
# define RBIMPL_HAS_BUILTIN___builtin_mul_overflow_p HAVE_BUILTIN___BUILTIN_MUL_OVERFLOW_P
# define RBIMPL_HAS_BUILTIN___builtin_popcount HAVE_BUILTIN___BUILTIN_POPCOUNT
# define RBIMPL_HAS_BUILTIN___builtin_popcountll HAVE_BUILTIN___BUILTIN_POPCOUNTLL
# define RBIMPL_HAS_BUILTIN___builtin_sub_overflow HAVE_BUILTIN___BUILTIN_SUB_OVERFLOW
# if defined(UNREACHABLE)
# define RBIMPL_HAS_BUILTIN___builtin_unreachable 1
# endif
#endif
#endif /* RBIMPL_HAS_BUILTIN_H */

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#ifndef RBIMPL_HAS_C_ATTRIBUTE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_C_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_C_ATTRIBUTE.
*/
/** Wraps (or simulates) `__has_c_attribute`. */
#if defined(__cplusplus)
# /* Makes no sense. */
# define RBIMPL_HAS_C_ATTRIBUTE(_) 0
#elif defined(__has_c_attribute)
# define RBIMPL_HAS_C_ATTRIBUTE(_) __has_c_attribute(_)
#else
# /* As of writing everything that lacks __has_c_attribute also completely
# * lacks C2x attributes as well. Might change in future? */
# define RBIMPL_HAS_C_ATTRIBUTE(_) 0
#endif
#endif /* RBIMPL_HAS_C_ATTRIBUTE_H */

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#ifndef RBIMPL_HAS_CPP_ATTRIBUTE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_CPP_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_CPP_ATTRIBUTE.
*/
#include "ruby/impl/compiler_is.h"
#include "ruby/impl/compiler_since.h"
#include "ruby/impl/token_paste.h"
/** @cond INTERNAL_MACRO */
#if defined(__has_cpp_attribute)
# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) __has_cpp_attribute(_)
#elif RBIMPL_COMPILER_IS(MSVC)
# /* MSVC has never updated its __cplusplus since forever (unless specified
# * explicitly by a compiler flag). They also lack __has_cpp_attribute until
# * 2019. However, they do have attributes since 2015 or so. */
# /* https://docs.microsoft.com/en-us/cpp/overview/visual-cpp-language-conformance */
# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _)
# define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(MSVC, 19, 00, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_carries_dependency 200809 * RBIMPL_COMPILER_SINCE(MSVC, 19, 00, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(MSVC, 19, 10, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_fallthrough 201603 * RBIMPL_COMPILER_SINCE(MSVC, 19, 10, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_maybe_unused 201603 * RBIMPL_COMPILER_SINCE(MSVC, 19, 11, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_nodiscard 201603 * RBIMPL_COMPILER_SINCE(MSVC, 19, 11, 0)
#elif RBIMPL_COMPILER_BEFORE(Clang, 3, 6, 0)
# /* Clang 3.6.0 introduced __has_cpp_attribute. Prior to that following
# * attributes were already there. */
# /* https://clang.llvm.org/cxx_status.html */
# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _)
# define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(Clang, 3, 3, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(Clang, 3, 4, 0)
#elif RBIMPL_COMPILER_BEFORE(GCC, 5, 0, 0)
# /* GCC 5+ have __has_cpp_attribute, while 4.x had following attributes. */
# /* https://gcc.gnu.org/projects/cxx-status.html */
# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) RBIMPL_TOKEN_PASTE(RBIMPL_HAS_CPP_ATTRIBUTE_, _)
# define RBIMPL_HAS_CPP_ATTRIBUTE_noreturn 200809 * RBIMPL_COMPILER_SINCE(GCC, 4, 8, 0)
# define RBIMPL_HAS_CPP_ATTRIBUTE_deprecated 201309 * RBIMPL_COMPILER_SINCE(GCC, 4, 9, 0)
#else
# /* :FIXME:
# * Candidate compilers to list here:
# * - icpc: They have __INTEL_CXX11_MODE__.
# * - SunPro: Seems they support C++11.
# */
# define RBIMPL_HAS_CPP_ATTRIBUTE0(_) 0
#endif
/** @endcond */
/** Wraps (or simulates) `__has_cpp_attribute`. */
#if ! defined(__cplusplus)
# /* Makes no sense. */
# define RBIMPL_HAS_CPP_ATTRIBUTE(_) 0
#else
# /* GCC needs workarounds. See https://gcc.godbolt.org/z/jdz3pa */
# define RBIMPL_HAS_CPP_ATTRIBUTE(_) \
((RBIMPL_HAS_CPP_ATTRIBUTE0(_) <= __cplusplus) ? RBIMPL_HAS_CPP_ATTRIBUTE0(_) : 0)
#endif
#endif /* RBIMPL_HAS_CPP_ATTRIBUTE_H */

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#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/impl/compiler_since.h"
#include "ruby/impl/token_paste.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_TOKEN_PASTE(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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#ifndef RBIMPL_HAS_EXTENSION_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_EXTENSION_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_EXTENSION.
*/
#include "ruby/impl/has/feature.h"
/** Wraps (or simulates) `__has_extension`. */
#if defined(__has_extension)
# define RBIMPL_HAS_EXTENSION(_) __has_extension(_)
#else
# /* Pre-3.0 clang had __has_feature but not __has_extension. */
# define RBIMPL_HAS_EXTENSION(_) RBIMPL_HAS_FEATURE(_)
#endif
#endif /* RBIMPL_HAS_EXTENSION_H */

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#ifndef RBIMPL_HAS_FEATURE_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_FEATURE_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_FEATURE.
*/
/** Wraps (or simulates) `__has_feature`. */
#if defined(__has_feature)
# define RBIMPL_HAS_FEATURE(_) __has_feature(_)
#else
# define RBIMPL_HAS_FEATURE(_) 0
#endif
#endif /* RBIMPL_HAS_FEATURE_H */

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#ifndef RBIMPL_HAS_WARNING_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_HAS_WARNING_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_WARNING.
*/
/** Wraps (or simulates) `__has_warning`. */
#if defined(__has_warning)
# define RBIMPL_HAS_WARNING(_) __has_warning(_)
#else
# define RBIMPL_HAS_WARNING(_) 0
#endif
#endif /* RBIMPL_HAS_WARNING_H */