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ruby--ruby/include/ruby/backward/2/attributes.h
卜部昌平 5107a6bf12 include/ruby/backward/2/attributes.h: skip doxygen
These macros are for backwards compatibility.  No longer used in our
public header files.  People can safely forget about them.
[ci skip]
2021-09-10 20:00:06 +09:00

165 lines
5.3 KiB
C++

#ifndef RUBY_BACKWARD2_ATTRIBUTES_H /*-*-C++-*-vi:se ft=cpp:*/
#define RUBY_BACKWARD2_ATTRIBUTES_H
/**
* @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 Various attribute-related macros.
*
* ### Q&A ###
*
* - Q: Why are the macros defined in this header file so inconsistent in
* style?
*
* - A: Don't know. Don't blame me. Backward compatibility is the key here.
* I'm just preserving what they have been.
*/
#include "ruby/internal/config.h"
#include "ruby/internal/attr/alloc_size.h"
#include "ruby/internal/attr/cold.h"
#include "ruby/internal/attr/const.h"
#include "ruby/internal/attr/deprecated.h"
#include "ruby/internal/attr/error.h"
#include "ruby/internal/attr/forceinline.h"
#include "ruby/internal/attr/format.h"
#include "ruby/internal/attr/maybe_unused.h"
#include "ruby/internal/attr/noinline.h"
#include "ruby/internal/attr/nonnull.h"
#include "ruby/internal/attr/noreturn.h"
#include "ruby/internal/attr/pure.h"
#include "ruby/internal/attr/restrict.h"
#include "ruby/internal/attr/returns_nonnull.h"
#include "ruby/internal/attr/warning.h"
#include "ruby/internal/has/attribute.h"
/* function attributes */
#undef CONSTFUNC
#define CONSTFUNC(x) RBIMPL_ATTR_CONST() x
#undef PUREFUNC
#define PUREFUNC(x) RBIMPL_ATTR_PURE() x
#undef DEPRECATED
#define DEPRECATED(x) RBIMPL_ATTR_DEPRECATED(("")) x
#undef DEPRECATED_BY
#define DEPRECATED_BY(n,x) RBIMPL_ATTR_DEPRECATED(("by: " # n)) x
#undef DEPRECATED_TYPE
#if defined(__GNUC__)
# define DEPRECATED_TYPE(mesg, decl) \
_Pragma("message \"DEPRECATED_TYPE is deprecated\""); \
decl RBIMPL_ATTR_DEPRECATED(mseg)
#elif defined(_MSC_VER)
# pragma deprecated(DEPRECATED_TYPE)
# define DEPRECATED_TYPE(mesg, decl) \
__pragma(message(__FILE__"("STRINGIZE(__LINE__)"): warning: " \
"DEPRECATED_TYPE is deprecated")) \
decl RBIMPL_ATTR_DEPRECATED(mseg)
#else
# define DEPRECATED_TYPE(mesg, decl) \
<-<-"DEPRECATED_TYPE is deprecated"->->
#endif
#undef RUBY_CXX_DEPRECATED
#define RUBY_CXX_DEPRECATED(mseg) RBIMPL_ATTR_DEPRECATED((mseg))
#undef NOINLINE
#define NOINLINE(x) RBIMPL_ATTR_NOINLINE() x
#ifndef MJIT_HEADER
# undef ALWAYS_INLINE
# define ALWAYS_INLINE(x) RBIMPL_ATTR_FORCEINLINE() x
#endif
#undef ERRORFUNC
#define ERRORFUNC(mesg, x) RBIMPL_ATTR_ERROR(mesg) x
#if RBIMPL_HAS_ATTRIBUTE(error)
# define HAVE_ATTRIBUTE_ERRORFUNC 1
#endif
#undef WARNINGFUNC
#define WARNINGFUNC(mesg, x) RBIMPL_ATTR_WARNING(mesg) x
#if RBIMPL_HAS_ATTRIBUTE(warning)
# define HAVE_ATTRIBUTE_WARNINGFUNC 1
#endif
/*
cold attribute for code layout improvements
RUBY_FUNC_ATTRIBUTE not used because MSVC does not like nested func macros
*/
#undef COLDFUNC
#define COLDFUNC RBIMPL_ATTR_COLD()
#define PRINTF_ARGS(decl, string_index, first_to_check) \
RBIMPL_ATTR_FORMAT(RBIMPL_PRINTF_FORMAT, (string_index), (first_to_check)) \
decl
#undef RUBY_ATTR_ALLOC_SIZE
#define RUBY_ATTR_ALLOC_SIZE RBIMPL_ATTR_ALLOC_SIZE
#undef RUBY_ATTR_MALLOC
#define RUBY_ATTR_MALLOC RBIMPL_ATTR_RESTRICT()
#undef RUBY_ATTR_RETURNS_NONNULL
#define RUBY_ATTR_RETURNS_NONNULL RBIMPL_ATTR_RETURNS_NONNULL()
#ifndef FUNC_MINIMIZED
#define FUNC_MINIMIZED(x) x
#endif
#ifndef FUNC_UNOPTIMIZED
#define FUNC_UNOPTIMIZED(x) x
#endif
#ifndef RUBY_ALIAS_FUNCTION_TYPE
#define RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args) \
FUNC_MINIMIZED(type prot) {return (type)name args;}
#endif
#ifndef RUBY_ALIAS_FUNCTION_VOID
#define RUBY_ALIAS_FUNCTION_VOID(prot, name, args) \
FUNC_MINIMIZED(void prot) {name args;}
#endif
#ifndef RUBY_ALIAS_FUNCTION
#define RUBY_ALIAS_FUNCTION(prot, name, args) \
RUBY_ALIAS_FUNCTION_TYPE(VALUE, prot, name, args)
#endif
#undef RUBY_FUNC_NONNULL
#define RUBY_FUNC_NONNULL(n, x) RBIMPL_ATTR_NONNULL(n) x
#undef NORETURN
#define NORETURN(x) RBIMPL_ATTR_NORETURN() x
#define NORETURN_STYLE_NEW
#ifndef PACKED_STRUCT
# define PACKED_STRUCT(x) x
#endif
#ifndef PACKED_STRUCT_UNALIGNED
# if UNALIGNED_WORD_ACCESS
# define PACKED_STRUCT_UNALIGNED(x) PACKED_STRUCT(x)
# else
# define PACKED_STRUCT_UNALIGNED(x) x
# endif
#endif
#undef RB_UNUSED_VAR
#define RB_UNUSED_VAR(x) x RBIMPL_ATTR_MAYBE_UNUSED()
#endif /* RUBY_BACKWARD2_ATTRIBUTES_H */