Upgrade to 2022-era LLVM LIBCXX

This commit is contained in:
Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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GPG key ID: BE714B4575D6E328
2078 changed files with 165657 additions and 65010 deletions

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@ -1,5 +1,5 @@
// -*- C++ -*-
//===--------------------------- cwchar -----------------------------------===//
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@ -10,23 +10,6 @@
#ifndef _LIBCPP_CWCHAR
#define _LIBCPP_CWCHAR
#include "third_party/libcxx/__config"
#include "third_party/libcxx/cwctype"
#include "third_party/libcxx/wchar.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/time.h"
#include "libc/stdio/stdio.h"
#include "libc/stdio/stdio.h"
#include "libc/fmt/conv.h"
#include "third_party/gdtoa/gdtoa.h"
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
/*
cwchar synopsis
@ -119,81 +102,157 @@ size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
*/
using ::mbstate_t;
using ::size_t;
using ::tm;
using ::wint_t;
using ::FILE;
using ::fwprintf;
using ::fwscanf;
using ::swprintf;
using ::vfwprintf;
using ::vswprintf;
using ::swscanf;
using ::vfwscanf;
using ::vswscanf;
using ::fgetwc;
using ::fgetws;
using ::fputwc;
using ::fputws;
using ::fwide;
using ::getwc;
using ::putwc;
using ::ungetwc;
using ::wcstod;
using ::wcstof;
using ::wcstold;
using ::wcstol;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoll;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoul;
#ifndef _LIBCPP_HAS_NO_LONG_LONG
using ::wcstoull;
#endif // _LIBCPP_HAS_NO_LONG_LONG
using ::wcscpy;
using ::wcsncpy;
using ::wcscat;
using ::wcsncat;
using ::wcscmp;
using ::wcscoll;
using ::wcsncmp;
using ::wcsxfrm;
using ::wcschr;
using ::wcspbrk;
using ::wcsrchr;
using ::wcsstr;
using ::wmemchr;
using ::wcscspn;
using ::wcslen;
using ::wcsspn;
using ::wcstok;
using ::wmemcmp;
using ::wmemcpy;
using ::wmemmove;
using ::wmemset;
using ::wcsftime;
using ::btowc;
using ::wctob;
using ::mbsinit;
using ::mbrlen;
using ::mbrtowc;
using ::wcrtomb;
using ::mbsrtowcs;
using ::wcsrtombs;
#include <__assert> // all public C++ headers provide the assertion handler
#include <__config>
#include <__type_traits/apply_cv.h>
#include <__type_traits/is_constant_evaluated.h>
#include <__type_traits/is_equality_comparable.h>
#include <__type_traits/is_same.h>
#include <__type_traits/remove_cv.h>
#include <cwctype>
#ifndef _LIBCPP_HAS_NO_STDIN
using ::getwchar;
using ::vwscanf;
using ::wscanf;
#include <wchar.h>
#ifndef _LIBCPP_WCHAR_H
# error <cwchar> tried including <wchar.h> but didn't find libc++'s <wchar.h> header. \
This usually means that your header search paths are not configured properly. \
The header search paths should contain the C++ Standard Library headers before \
any C Standard Library, and you are probably using compiler flags that make that \
not be the case.
#endif
#ifndef _LIBCPP_HAS_NO_STDOUT
using ::putwchar;
using ::vwprintf;
using ::wprintf;
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
using ::size_t _LIBCPP_USING_IF_EXISTS;
using ::tm _LIBCPP_USING_IF_EXISTS;
using ::wint_t _LIBCPP_USING_IF_EXISTS;
using ::FILE _LIBCPP_USING_IF_EXISTS;
using ::fwprintf _LIBCPP_USING_IF_EXISTS;
using ::fwscanf _LIBCPP_USING_IF_EXISTS;
using ::swprintf _LIBCPP_USING_IF_EXISTS;
using ::vfwprintf _LIBCPP_USING_IF_EXISTS;
using ::vswprintf _LIBCPP_USING_IF_EXISTS;
using ::swscanf _LIBCPP_USING_IF_EXISTS;
using ::vfwscanf _LIBCPP_USING_IF_EXISTS;
using ::vswscanf _LIBCPP_USING_IF_EXISTS;
using ::fgetwc _LIBCPP_USING_IF_EXISTS;
using ::fgetws _LIBCPP_USING_IF_EXISTS;
using ::fputwc _LIBCPP_USING_IF_EXISTS;
using ::fputws _LIBCPP_USING_IF_EXISTS;
using ::fwide _LIBCPP_USING_IF_EXISTS;
using ::getwc _LIBCPP_USING_IF_EXISTS;
using ::putwc _LIBCPP_USING_IF_EXISTS;
using ::ungetwc _LIBCPP_USING_IF_EXISTS;
using ::wcstod _LIBCPP_USING_IF_EXISTS;
using ::wcstof _LIBCPP_USING_IF_EXISTS;
using ::wcstold _LIBCPP_USING_IF_EXISTS;
using ::wcstol _LIBCPP_USING_IF_EXISTS;
using ::wcstoll _LIBCPP_USING_IF_EXISTS;
using ::wcstoul _LIBCPP_USING_IF_EXISTS;
using ::wcstoull _LIBCPP_USING_IF_EXISTS;
using ::wcscpy _LIBCPP_USING_IF_EXISTS;
using ::wcsncpy _LIBCPP_USING_IF_EXISTS;
using ::wcscat _LIBCPP_USING_IF_EXISTS;
using ::wcsncat _LIBCPP_USING_IF_EXISTS;
using ::wcscmp _LIBCPP_USING_IF_EXISTS;
using ::wcscoll _LIBCPP_USING_IF_EXISTS;
using ::wcsncmp _LIBCPP_USING_IF_EXISTS;
using ::wcsxfrm _LIBCPP_USING_IF_EXISTS;
using ::wcschr _LIBCPP_USING_IF_EXISTS;
using ::wcspbrk _LIBCPP_USING_IF_EXISTS;
using ::wcsrchr _LIBCPP_USING_IF_EXISTS;
using ::wcsstr _LIBCPP_USING_IF_EXISTS;
using ::wmemchr _LIBCPP_USING_IF_EXISTS;
using ::wcscspn _LIBCPP_USING_IF_EXISTS;
using ::wcslen _LIBCPP_USING_IF_EXISTS;
using ::wcsspn _LIBCPP_USING_IF_EXISTS;
using ::wcstok _LIBCPP_USING_IF_EXISTS;
using ::wmemcmp _LIBCPP_USING_IF_EXISTS;
using ::wmemcpy _LIBCPP_USING_IF_EXISTS;
using ::wmemmove _LIBCPP_USING_IF_EXISTS;
using ::wmemset _LIBCPP_USING_IF_EXISTS;
using ::wcsftime _LIBCPP_USING_IF_EXISTS;
using ::btowc _LIBCPP_USING_IF_EXISTS;
using ::wctob _LIBCPP_USING_IF_EXISTS;
using ::mbsinit _LIBCPP_USING_IF_EXISTS;
using ::mbrlen _LIBCPP_USING_IF_EXISTS;
using ::mbrtowc _LIBCPP_USING_IF_EXISTS;
using ::wcrtomb _LIBCPP_USING_IF_EXISTS;
using ::mbsrtowcs _LIBCPP_USING_IF_EXISTS;
using ::wcsrtombs _LIBCPP_USING_IF_EXISTS;
using ::getwchar _LIBCPP_USING_IF_EXISTS;
using ::vwscanf _LIBCPP_USING_IF_EXISTS;
using ::wscanf _LIBCPP_USING_IF_EXISTS;
using ::putwchar _LIBCPP_USING_IF_EXISTS;
using ::vwprintf _LIBCPP_USING_IF_EXISTS;
using ::wprintf _LIBCPP_USING_IF_EXISTS;
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 size_t __constexpr_wcslen(const wchar_t* __str) {
#if __has_builtin(__builtin_wcslen)
return __builtin_wcslen(__str);
#else
if (!__libcpp_is_constant_evaluated())
return std::wcslen(__str);
size_t __len = 0;
for (; *__str != L'\0'; ++__str)
++__len;
return __len;
#endif
}
inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 int
__constexpr_wmemcmp(const wchar_t* __lhs, const wchar_t* __rhs, size_t __count) {
#if __has_builtin(__builtin_wmemcmp)
return __builtin_wmemcmp(__lhs, __rhs, __count);
#else
if (!__libcpp_is_constant_evaluated())
return std::wmemcmp(__lhs, __rhs, __count);
for (; __count; --__count, ++__lhs, ++__rhs) {
if (*__lhs < *__rhs)
return -1;
if (*__rhs < *__lhs)
return 1;
}
return 0;
#endif
}
template <class _Tp, class _Up>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 _Tp* __constexpr_wmemchr(_Tp* __str, _Up __value, size_t __count) {
static_assert(sizeof(_Tp) == sizeof(wchar_t)&& _LIBCPP_ALIGNOF(_Tp) >= _LIBCPP_ALIGNOF(wchar_t) &&
__libcpp_is_trivially_equality_comparable<_Tp, _Tp>::value,
"Calling wmemchr on non-trivially equality comparable types is unsafe.");
#if __has_builtin(__builtin_wmemchr)
if (!__libcpp_is_constant_evaluated()) {
wchar_t __value_buffer = 0;
__builtin_memcpy(&__value_buffer, &__value, sizeof(wchar_t));
return reinterpret_cast<_Tp*>(
__builtin_wmemchr(reinterpret_cast<__apply_cv_t<_Tp, wchar_t>*>(__str), __value_buffer, __count));
}
# if _LIBCPP_STD_VER >= 17
else if constexpr (is_same_v<remove_cv_t<_Tp>, wchar_t>)
return __builtin_wmemchr(__str, __value, __count);
# endif
#endif // __has_builtin(__builtin_wmemchr)
for (; __count; --__count) {
if (*__str == __value)
return __str;
++__str;
}
return nullptr;
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_CWCHAR
#endif // _LIBCPP_CWCHAR