diff options
Diffstat (limited to 'include/ruby/backward/2/stdarg.h')
| -rw-r--r-- | include/ruby/backward/2/stdarg.h | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/include/ruby/backward/2/stdarg.h b/include/ruby/backward/2/stdarg.h index 7b37bd4571..08659fee47 100644 --- a/include/ruby/backward/2/stdarg.h +++ b/include/ruby/backward/2/stdarg.h @@ -1,11 +1,13 @@ -/** \noop-*-C++-*-vi:ft=cpp +#ifndef RUBY_BACKWARD2_STDARG_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RUBY_BACKWARD2_STDARG_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 + * @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 @@ -15,14 +17,18 @@ * 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. + * extension libraries. They could be written in C++98. * @brief Defines old #_ * - * Nobody should ever use these macros any longer. No konwn compilers lack + * Nobody should ever use these macros any longer. No known compilers lack * prototypes today. It's 21st century. Just forget them. */ #undef _ +/** + * @deprecated Nobody practically needs this macro any longer. + * @brief This was a transition path from K&R to ANSI. + */ #ifdef HAVE_PROTOTYPES # define _(args) args #else @@ -30,14 +36,34 @@ #endif #undef __ +/** + * @deprecated Nobody practically needs this macro any longer. + * @brief This was a transition path from K&R to ANSI. + */ #ifdef HAVE_STDARG_PROTOTYPES # define __(args) args #else # define __(args) () #endif +/** + * Functions declared using this macro take arbitrary arguments, including + * void. + * + * ```CXX + * void func(ANYARGS); + * ``` + * + * This was a necessary evil when there was no such thing like function + * overloading. But it is the 21st century today. People generally need not + * use this. Just use a granular typed function. + * + * @see ruby::backward::cxxanyargs + */ #ifdef __cplusplus #define ANYARGS ... #else #define ANYARGS #endif + +#endif /* RUBY_BACKWARD2_STDARG_H */ |