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Name	Size	Permission	Date
arithmetic	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
attr	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
compiler_is	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
core	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
encoding	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
has	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
intern	[ DIR ]	drwxr-xr-x	2026-02-18 15:12
abi.h	1.55 KB	-rw-r--r--	2025-10-15 22:19
anyargs.h	37.96 KB	-rw-r--r--	2025-10-15 22:19
arithmetic.h	2.07 KB	-rw-r--r--	2025-10-15 22:19
assume.h	3.17 KB	-rw-r--r--	2025-10-15 22:19
cast.h	2.28 KB	-rw-r--r--	2025-10-15 22:19
compiler_is.h	2.06 KB	-rw-r--r--	2025-10-15 22:19
compiler_since.h	2.72 KB	-rw-r--r--	2025-10-15 22:19
config.h	4.77 KB	-rw-r--r--	2025-10-15 22:19
constant_p.h	1.85 KB	-rw-r--r--	2025-10-15 22:19
core.h	1.83 KB	-rw-r--r--	2025-10-15 22:19
ctype.h	22.56 KB	-rw-r--r--	2025-10-15 22:19
dllexport.h	3.04 KB	-rw-r--r--	2025-10-15 22:19
dosish.h	3.16 KB	-rw-r--r--	2025-10-15 22:19
error.h	20.92 KB	-rw-r--r--	2025-10-15 22:19
eval.h	18.2 KB	-rw-r--r--	2025-10-15 22:19
event.h	6.21 KB	-rw-r--r--	2025-10-15 22:19
fl_type.h	32.88 KB	-rw-r--r--	2025-10-15 22:19
gc.h	28.07 KB	-rw-r--r--	2025-10-15 22:19
glob.h	4.98 KB	-rw-r--r--	2025-10-15 22:19
globals.h	9.77 KB	-rw-r--r--	2025-10-15 22:19
interpreter.h	9.45 KB	-rw-r--r--	2025-10-15 22:19
iterator.h	18.19 KB	-rw-r--r--	2025-10-15 22:19
memory.h	23.36 KB	-rw-r--r--	2025-10-15 22:19
method.h	7.08 KB	-rw-r--r--	2025-10-15 22:19
module.h	7.11 KB	-rw-r--r--	2025-10-15 22:19
newobj.h	6.09 KB	-rw-r--r--	2025-10-15 22:19
scan_args.h	18.48 KB	-rw-r--r--	2025-10-15 22:19
special_consts.h	11.95 KB	-rw-r--r--	2025-10-15 22:19
static_assert.h	3.21 KB	-rw-r--r--	2025-10-15 22:19
stdalign.h	4.58 KB	-rw-r--r--	2025-10-15 22:19
stdbool.h	1.69 KB	-rw-r--r--	2025-10-15 22:19
stdckdint.h	2.68 KB	-rw-r--r--	2025-10-15 22:19
symbol.h	13.28 KB	-rw-r--r--	2025-10-15 22:19
value.h	4.26 KB	-rw-r--r--	2025-10-15 22:19
value_type.h	14.21 KB	-rw-r--r--	2025-10-15 22:19
variable.h	11.81 KB	-rw-r--r--	2025-10-15 22:19
warning_push.h	4.91 KB	-rw-r--r--	2025-10-15 22:19
xmalloc.h	14.18 KB	-rw-r--r--	2025-10-15 22:19

Rename

#ifndef RBIMPL_CONSTANT_P_H                          /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_CONSTANT_P_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_CONSTANT_P.
 *
 * Note that __builtin_constant_p can be applicable inside of inline functions,
 * according to GCC manual.  Clang lacks that feature, though.
 *
 * @see https://bugs.llvm.org/show_bug.cgi?id=4898
 * @see https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
 */
#include "ruby/internal/has/builtin.h"

/** Wraps (or simulates) `__builtin_constant_p` */
#if RBIMPL_HAS_BUILTIN(__builtin_constant_p)
# define RBIMPL_CONSTANT_P(expr) __builtin_constant_p(expr)
#else
# define RBIMPL_CONSTANT_P(expr) 0
#endif

#endif /* RBIMPL_CONSTANT_P_H */