#$@%#$%!

Ngiler SH3LL 360
: / opt / alt / ruby30 / include / ruby / internal /

Information Server
MySQL : OFF Perl : OFF CURL : ON WGET : OFF PKEXEC : OFF

Directive	Local Value
IP Address	162.0.209.101
System	Linux premium169.web-hosting.com 4.18.0-553.50.1.lve.el8.x86_64 #1 SMP Thu Apr 17 19:10:24 UTC 2025 x86_64
User	luxeelil
PHP Version	8.0.30
Software	LiteSpeed
Doc root	Writable

Edit File : stdalign.h \| Size : 4.52 KB
#ifndef RBIMPL_STDALIGN_H /--C++--vi:se ft=cpp:/ #define RBIMPL_STDALIGN_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_ALIGNAS / #RBIMPL_ALIGNOF / #include "ruby/internal/config.h" #ifdef STDC_HEADERS # include <stddef.h> #endif #include "ruby/internal/compiler_is.h" #include "ruby/internal/has/attribute.h" #include "ruby/internal/has/declspec_attribute.h" #include "ruby/internal/has/feature.h" /* * Wraps (or simulates) `alignas`. This is C++11's `alignas` and is _different_ * from C11 `_Alignas`. For instance, * * ```CXX * typedef struct alignas(128) foo { int foo } foo; * ``` * * is a valid C++ while * * ```C * typedef struct _Alignas(128) foo { int foo } foo; * ``` * * is an invalid C because: * * - You cannot `struct _Alignas`. * - A `typedef` cannot have alignments. / #if defined(__cplusplus) && RBIMPL_HAS_FEATURE(cxx_alignas) # define RBIMPL_ALIGNAS alignas #elif defined(__cplusplus) && (__cplusplus >= 201103L) # define RBIMPL_ALIGNAS alignas #elif defined(__INTEL_CXX11_MODE__) # define RBIMPL_ALIGNAS alignas #elif defined(__GXX_EXPERIMENTAL_CXX0X__) # define RBIMPL_ALIGNAS alignas #elif RBIMPL_HAS_DECLSPEC_ATTRIBUTE(align) # define RBIMPL_ALIGNAS(_) __declspec(align(_)) #elif RBIMPL_HAS_ATTRIBUTE(aligned) # define RBIMPL_ALIGNAS(_) __attribute__((__aligned__(_))) #else # define RBIMPL_ALIGNAS(_) / void / #endif /* * Wraps (or simulates) `alignof`. * * We want C11's `_Alignof`. However in spite of its clear language, compilers * (including GCC and clang) tend to have buggy implementations. We have to * avoid such things to resort to our own version. * * @see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023 * @see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560 * @see https://bugs.llvm.org/show_bug.cgi?id=26547 / #if defined(__cplusplus) # / C++11 `alignof()` can be buggy. / # / see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560 / # / But don't worry, we can use templates. / # define RBIMPL_ALIGNOF(T) (static_cast<size_t>(ruby::rbimpl_alignof<T>::value)) namespace ruby { template<typename T> struct rbimpl_alignof { typedef struct { char _; T t; } type; enum { value = offsetof(type, t) }; }; } #elif RBIMPL_COMPILER_IS(MSVC) # / Windows have no alignment glitch./ # define RBIMPL_ALIGNOF __alignof #elif defined(HAVE__ALIGNOF) # / Autoconf detected availability of a sane `_Alignof()`. / # define RBIMPL_ALIGNOF(T) RB_GNUC_EXTENSION(_Alignof(T)) #else # / :BEWARE: This is the last resort. If your compiler somehow supports # * querying the alignment of a type, you definitely should use that instead. # * There are 2 known pitfalls for this fallback implementation: # * # * First, it is either an undefined behaviour (C) or an explicit error (C++) # * to define a struct inside of `offsetof`. C compilers tend to accept such # * things, but AFAIK C++ has no room to allow. # * # * Second, there exist T such that `struct { char _; T t; }` is invalid. A # * known example is when T is a struct with a flexible array member. Such # * struct cannot be enclosed into another one. # / # / see: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2083.htm / # / see: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2350.htm / # define RBIMPL_ALIGNOF(T) offsetof(struct { char _; T t; }, t) #endif #endif / RBIMPL_STDALIGN_H */ Back

Edit File : stdalign.h | Size : 4.52 KB

#ifndef RBIMPL_STDALIGN_H                            /*-*-C++-*-vi:se ft=cpp:*/
#define RBIMPL_STDALIGN_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_ALIGNAS / #RBIMPL_ALIGNOF
 */
#include "ruby/internal/config.h"

#ifdef STDC_HEADERS
# include <stddef.h>
#endif

#include "ruby/internal/compiler_is.h"
#include "ruby/internal/has/attribute.h"
#include "ruby/internal/has/declspec_attribute.h"
#include "ruby/internal/has/feature.h"

/**
 * Wraps (or simulates) `alignas`. This is C++11's `alignas` and is _different_
 * from C11 `_Alignas`.  For instance,
 *
 * ```CXX
 * typedef struct alignas(128) foo { int foo } foo;
 * ```
 *
 * is a valid C++ while
 *
 * ```C
 * typedef struct _Alignas(128) foo { int foo } foo;
 * ```
 *
 * is an invalid C because:
 *
 * - You cannot `struct _Alignas`.
 * - A `typedef` cannot have alignments.
 */
#if defined(__cplusplus) && RBIMPL_HAS_FEATURE(cxx_alignas)
# define RBIMPL_ALIGNAS alignas

#elif defined(__cplusplus) && (__cplusplus >= 201103L)
# define RBIMPL_ALIGNAS alignas

#elif defined(__INTEL_CXX11_MODE__)
# define RBIMPL_ALIGNAS alignas

#elif defined(__GXX_EXPERIMENTAL_CXX0X__)
# define RBIMPL_ALIGNAS alignas

#elif RBIMPL_HAS_DECLSPEC_ATTRIBUTE(align)
# define RBIMPL_ALIGNAS(_) __declspec(align(_))

#elif RBIMPL_HAS_ATTRIBUTE(aligned)
# define RBIMPL_ALIGNAS(_) __attribute__((__aligned__(_)))

#else
# define RBIMPL_ALIGNAS(_) /* void */
#endif

/**
 * Wraps (or simulates) `alignof`.
 *
 * We want C11's `_Alignof`.  However in spite of its clear language, compilers
 * (including GCC  and clang) tend to  have buggy implementations.  We  have to
 * avoid such things to resort to our own version.
 *
 * @see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023
 * @see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560
 * @see https://bugs.llvm.org/show_bug.cgi?id=26547
 */
#if defined(__cplusplus)
# /* C++11 `alignof()` can be buggy. */
# /* see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69560 */
# /* But don't worry, we can use templates. */
# define RBIMPL_ALIGNOF(T) (static_cast<size_t>(ruby::rbimpl_alignof<T>::value))

namespace ruby {
template<typename T>
struct rbimpl_alignof {
    typedef struct {
        char _;
        T t;
    } type;

enum {
        value = offsetof(type, t)
    };
};
}

#elif RBIMPL_COMPILER_IS(MSVC)
# /* Windows have no alignment glitch.*/
# define RBIMPL_ALIGNOF __alignof

#elif defined(HAVE__ALIGNOF)
# /* Autoconf detected availability of a sane `_Alignof()`. */
# define RBIMPL_ALIGNOF(T) RB_GNUC_EXTENSION(_Alignof(T))

#else
# /* :BEWARE:  This is  the last  resort.   If your  compiler somehow  supports
#  * querying the alignment of a type,  you definitely should use that instead.
#  * There are 2 known pitfalls for this fallback implementation:
#  *
#  * First, it is either an undefined  behaviour (C) or an explicit error (C++)
#  * to define a  struct inside of `offsetof`. C compilers  tend to accept such
#  * things, but AFAIK C++ has no room to allow.
#  *
#  * Second, there exist T  such that `struct { char _; T t;  }` is invalid.  A
#  * known example is  when T is a  struct with a flexible  array member.  Such
#  * struct cannot be enclosed into another one.
#  */
# /* see: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2083.htm */
# /* see: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2350.htm */
# define RBIMPL_ALIGNOF(T) offsetof(struct { char _; T t; }, t)

#endif

#endif /* RBIMPL_STDALIGN_H */

Back