1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/include/ruby/impl/attr/error.h

33 lines
1.6 KiB
C
Raw Normal View History

#ifndef RBIMPL_ATTR_ERROR_H /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_ATTR_ERROR_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 `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 #RBIMPL_ATTR_ERROR.
*/
#include "ruby/impl/has/attribute.h"
/** Wraps (or simulates) `__attribute__((error))` */
#if RBIMPL_HAS_ATTRIBUTE(error)
# define RBIMPL_ATTR_ERROR(msg) __attribute__((__error__ msg))
#else
# define RBIMPL_ATTR_ERROR(msg) /* void */
#endif
#endif /* RBIMPL_ATTR_ERROR_H */