From b85fd1d690b65efaa126cf9c24da73f31eee7a4e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=8D=9C=E9=83=A8=E6=98=8C=E5=B9=B3?= Date: Fri, 8 May 2020 18:10:13 +0900 Subject: mv include/ruby/{impl,internal} Devs do not love "impl". --- include/ruby/internal/stdbool.h | 51 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 include/ruby/internal/stdbool.h (limited to 'include/ruby/internal/stdbool.h') diff --git a/include/ruby/internal/stdbool.h b/include/ruby/internal/stdbool.h new file mode 100644 index 0000000000..36ccaa0c6f --- /dev/null +++ b/include/ruby/internal/stdbool.h @@ -0,0 +1,51 @@ +#ifndef RBIMPL_STDBOOL_H /*-*-C++-*-vi:se ft=cpp:*/ +#define RBIMPL_STDBOOL_H +/** + * @file + * @author Ruby developers + * @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 C99 shim for + */ +#include "ruby/impl/config.h" + +#if defined(__bool_true_false_are_defined) +# /* Take that. */ + +#elif defined(__cplusplus) +# /* bool is a keyword in C++. */ +# if defined(HAVE_STDBOOL_H) && (__cplusplus >= 201103L) +# include +# endif +# +# ifndef __bool_true_false_are_defined +# define __bool_true_false_are_defined +# endif + +#elif defined(HAVE_STDBOOL_H) +# /* Take stdbool.h definition. */ +# include + +#else +typedef unsigned char _Bool; +# /* See also http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2229.htm */ +# define bool _Bool +# define true ((_Bool)+1) +# define false ((_Bool)+0) +# define __bool_true_false_are_defined +#endif + +#endif /* RBIMPL_STDBOOL_H */ -- cgit v1.2.1