[libcxx-commits] [libcxx] granularize locale (PR #83735)
Nikolas Klauser via libcxx-commits
libcxx-commits at lists.llvm.org
Sun Mar 3 10:25:27 PST 2024
https://github.com/philnik777 created https://github.com/llvm/llvm-project/pull/83735
- [libc++][NFC] Replace _ALIGNAS_TYPE with alignas in iostream.cpp
- [libc++] Granularize <__locale>
>From d5140f91bdab634af5f7b630b8305b91277899fe Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Sun, 3 Mar 2024 18:15:00 +0100
Subject: [PATCH 1/2] [libc++][NFC] Replace _ALIGNAS_TYPE with alignas in
iostream.cpp
---
libcxx/src/iostream.cpp | 36 ++++++++++++++----------------------
1 file changed, 14 insertions(+), 22 deletions(-)
diff --git a/libcxx/src/iostream.cpp b/libcxx/src/iostream.cpp
index bb49e265ba0ef5..c5ad77a0191608 100644
--- a/libcxx/src/iostream.cpp
+++ b/libcxx/src/iostream.cpp
@@ -21,74 +21,67 @@
_LIBCPP_BEGIN_NAMESPACE_STD
-_ALIGNAS_TYPE(istream)
-_LIBCPP_EXPORTED_FROM_ABI char cin[sizeof(istream)]
+alignas(istream) _LIBCPP_EXPORTED_FROM_ABI char cin[sizeof(istream)]
#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?cin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream at DU?$char_traits at D@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
#endif
;
-_ALIGNAS_TYPE(__stdinbuf<char>) static char __cin[sizeof(__stdinbuf<char>)];
+alignas(__stdinbuf<char>) static char __cin[sizeof(__stdinbuf<char>)];
static mbstate_t mb_cin;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(wistream)
-_LIBCPP_EXPORTED_FROM_ABI char wcin[sizeof(wistream)]
+alignas(wistream) _LIBCPP_EXPORTED_FROM_ABI char wcin[sizeof(wistream)]
# if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?wcin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream at _WU?$char_traits at _W@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
# endif
;
-_ALIGNAS_TYPE(__stdinbuf<wchar_t>) static char __wcin[sizeof(__stdinbuf<wchar_t>)];
+alignas(__stdinbuf<wchar_t>) static char __wcin[sizeof(__stdinbuf<wchar_t>)];
static mbstate_t mb_wcin;
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(ostream)
-_LIBCPP_EXPORTED_FROM_ABI char cout[sizeof(ostream)]
+alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char cout[sizeof(ostream)]
#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?cout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at DU?$char_traits at D@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
#endif
;
-_ALIGNAS_TYPE(__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
+alignas(__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
static mbstate_t mb_cout;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(wostream)
-_LIBCPP_EXPORTED_FROM_ABI char wcout[sizeof(wostream)]
+alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wcout[sizeof(wostream)]
# if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?wcout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at _WU?$char_traits at _W@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
# endif
;
-_ALIGNAS_TYPE(__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
+alignas(__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
static mbstate_t mb_wcout;
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(ostream)
-_LIBCPP_EXPORTED_FROM_ABI char cerr[sizeof(ostream)]
+alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char cerr[sizeof(ostream)]
#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?cerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at DU?$char_traits at D@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
#endif
;
-_ALIGNAS_TYPE(__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
+alignas(__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
static mbstate_t mb_cerr;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(wostream)
-_LIBCPP_EXPORTED_FROM_ABI char wcerr[sizeof(wostream)]
+alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wcerr[sizeof(wostream)]
# if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?wcerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at _WU?$char_traits at _W@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
# endif
;
-_ALIGNAS_TYPE(__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
+alignas(__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
static mbstate_t mb_wcerr;
#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(ostream)
-_LIBCPP_EXPORTED_FROM_ABI char clog[sizeof(ostream)]
+alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char clog[sizeof(ostream)]
#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?clog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at DU?$char_traits at D@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
@@ -96,8 +89,7 @@ _LIBCPP_EXPORTED_FROM_ABI char clog[sizeof(ostream)]
;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-_ALIGNAS_TYPE(wostream)
-_LIBCPP_EXPORTED_FROM_ABI char wclog[sizeof(wostream)]
+alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wclog[sizeof(wostream)]
# if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
__asm__("?wclog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream at _WU?$char_traits at _W@" _LIBCPP_ABI_NAMESPACE_STR
"@std@@@12 at A")
>From 2e622cffbaa075f92304091bbab7c24eee1f7d37 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Sun, 4 Feb 2024 13:29:53 +0100
Subject: [PATCH 2/2] [libc++] Granularize <__locale>
---
libcxx/include/CMakeLists.txt | 15 +-
libcxx/include/__config | 4 -
libcxx/include/__format/formatter_bool.h | 4 -
libcxx/include/__format/formatter_integral.h | 3 +-
libcxx/include/__locale | 1511 -----------------
libcxx/include/__locale_dir/codecvt.h | 518 ++++++
libcxx/include/__locale_dir/codecvt_base.h | 28 +
libcxx/include/__locale_dir/codecvt_byname.h | 55 +
libcxx/include/__locale_dir/collate.h | 94 +
libcxx/include/__locale_dir/collate_byname.h | 67 +
libcxx/include/__locale_dir/ctype.h | 189 +++
libcxx/include/__locale_dir/ctype_base.h | 177 ++
libcxx/include/__locale_dir/ctype_byname.h | 73 +
libcxx/include/__locale_dir/locale.h | 163 ++
libcxx/include/__locale_dir/locale_base_api.h | 6 +
.../locale_base_api/bsd_locale_fallbacks.h | 1 +
.../locale_base_api/locale_guard.h | 3 +-
.../__locale_dir/locale_base_api/win32.h | 1 +
libcxx/include/__locale_dir/narrow_to_utf8.h | 99 ++
libcxx/include/__locale_dir/numpunct.h | 87 +
libcxx/include/__locale_dir/numpunct_byname.h | 62 +
libcxx/include/__locale_dir/traits.h | 95 ++
libcxx/include/__locale_dir/widen_from_utf8.h | 99 ++
libcxx/include/__utility/swap.h | 1 +
libcxx/include/codecvt | 5 +-
libcxx/include/fstream | 1 -
libcxx/include/ios | 5 +-
libcxx/include/locale | 18 +-
libcxx/include/module.modulemap.in | 14 +
libcxx/include/regex | 6 +-
libcxx/src/ios.cpp | 2 +-
libcxx/src/iostream.cpp | 2 +-
libcxx/src/std_stream.h | 2 +-
.../tools/clang_tidy_checks/CMakeLists.txt | 2 +-
34 files changed, 1880 insertions(+), 1532 deletions(-)
delete mode 100644 libcxx/include/__locale
create mode 100644 libcxx/include/__locale_dir/codecvt.h
create mode 100644 libcxx/include/__locale_dir/codecvt_base.h
create mode 100644 libcxx/include/__locale_dir/codecvt_byname.h
create mode 100644 libcxx/include/__locale_dir/collate.h
create mode 100644 libcxx/include/__locale_dir/collate_byname.h
create mode 100644 libcxx/include/__locale_dir/ctype.h
create mode 100644 libcxx/include/__locale_dir/ctype_base.h
create mode 100644 libcxx/include/__locale_dir/ctype_byname.h
create mode 100644 libcxx/include/__locale_dir/locale.h
create mode 100644 libcxx/include/__locale_dir/narrow_to_utf8.h
create mode 100644 libcxx/include/__locale_dir/numpunct.h
create mode 100644 libcxx/include/__locale_dir/numpunct_byname.h
create mode 100644 libcxx/include/__locale_dir/traits.h
create mode 100644 libcxx/include/__locale_dir/widen_from_utf8.h
diff --git a/libcxx/include/CMakeLists.txt b/libcxx/include/CMakeLists.txt
index cafd8c6e00d968..227482b7a20e39 100644
--- a/libcxx/include/CMakeLists.txt
+++ b/libcxx/include/CMakeLists.txt
@@ -489,7 +489,15 @@ set(files
__iterator/sortable.h
__iterator/unreachable_sentinel.h
__iterator/wrap_iter.h
- __locale
+ __locale_dir/codecvt.h
+ __locale_dir/codecvt_base.h
+ __locale_dir/codecvt_byname.h
+ __locale_dir/collate.h
+ __locale_dir/collate_byname.h
+ __locale_dir/ctype.h
+ __locale_dir/ctype_base.h
+ __locale_dir/ctype_byname.h
+ __locale_dir/locale.h
__locale_dir/locale_base_api.h
__locale_dir/locale_base_api/android.h
__locale_dir/locale_base_api/bsd_locale_defaults.h
@@ -501,6 +509,11 @@ set(files
__locale_dir/locale_base_api/newlib.h
__locale_dir/locale_base_api/openbsd.h
__locale_dir/locale_base_api/win32.h
+ __locale_dir/narrow_to_utf8.h
+ __locale_dir/numpunct.h
+ __locale_dir/numpunct_byname.h
+ __locale_dir/traits.h
+ __locale_dir/widen_from_utf8.h
__math/abs.h
__math/copysign.h
__math/error_functions.h
diff --git a/libcxx/include/__config b/libcxx/include/__config
index 8d4d17378b2973..63bfe3a25294e9 100644
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -842,10 +842,6 @@ typedef __char32_t char32_t;
# define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
# endif // _LIBCPP_CXX03_LANG
-# if defined(__APPLE__) || defined(__FreeBSD__) || defined(_LIBCPP_MSVCRT_LIKE) || defined(__NetBSD__)
-# define _LIBCPP_LOCALE__L_EXTENSIONS 1
-# endif
-
# ifdef __FreeBSD__
# define _DECLARE_C99_LDBL_MATH 1
# endif
diff --git a/libcxx/include/__format/formatter_bool.h b/libcxx/include/__format/formatter_bool.h
index 5e3daff7b3dba6..2abe2550dcfd16 100644
--- a/libcxx/include/__format/formatter_bool.h
+++ b/libcxx/include/__format/formatter_bool.h
@@ -21,10 +21,6 @@
#include <__format/parser_std_format_spec.h>
#include <__utility/unreachable.h>
-#ifndef _LIBCPP_HAS_NO_LOCALIZATION
-# include <__locale>
-#endif
-
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
diff --git a/libcxx/include/__format/formatter_integral.h b/libcxx/include/__format/formatter_integral.h
index eca966f8886f84..79a424015b74c0 100644
--- a/libcxx/include/__format/formatter_integral.h
+++ b/libcxx/include/__format/formatter_integral.h
@@ -32,7 +32,8 @@
#include <string_view>
#ifndef _LIBCPP_HAS_NO_LOCALIZATION
-# include <__locale>
+# include <__locale_dir/locale.h>
+# include <__locale_dir/numpunct.h>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/__locale b/libcxx/include/__locale
deleted file mode 100644
index 2186db84933103..00000000000000
--- a/libcxx/include/__locale
+++ /dev/null
@@ -1,1511 +0,0 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___LOCALE
-#define _LIBCPP___LOCALE
-
-#include <__availability>
-#include <__config>
-#include <__locale_dir/locale_base_api.h>
-#include <__memory/shared_ptr.h> // __shared_count
-#include <__mutex/once_flag.h>
-#include <__type_traits/make_unsigned.h>
-#include <__utility/no_destroy.h>
-#include <cctype>
-#include <clocale>
-#include <cstdint>
-#include <cstdlib>
-#include <string>
-
-// Some platforms require more includes than others. Keep the includes on all plaforms for now.
-#include <cstddef>
-#include <cstring>
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-# include <cwchar>
-#else
-# include <__std_mbstate_t.h>
-#endif
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-# pragma GCC system_header
-#endif
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-class _LIBCPP_EXPORTED_FROM_ABI locale;
-
-template <class _Facet>
-_LIBCPP_HIDE_FROM_ABI bool has_facet(const locale&) _NOEXCEPT;
-
-template <class _Facet>
-_LIBCPP_HIDE_FROM_ABI const _Facet& use_facet(const locale&);
-
-class _LIBCPP_EXPORTED_FROM_ABI locale {
-public:
- // types:
- class _LIBCPP_EXPORTED_FROM_ABI facet;
- class _LIBCPP_EXPORTED_FROM_ABI id;
-
- typedef int category;
-
- static const category // values assigned here are for exposition only
- none = 0,
- collate = LC_COLLATE_MASK, ctype = LC_CTYPE_MASK, monetary = LC_MONETARY_MASK, numeric = LC_NUMERIC_MASK,
- time = LC_TIME_MASK, messages = LC_MESSAGES_MASK, all = collate | ctype | monetary | numeric | time | messages;
-
- // construct/copy/destroy:
- locale() _NOEXCEPT;
- locale(const locale&) _NOEXCEPT;
- explicit locale(const char*);
- explicit locale(const string&);
- locale(const locale&, const char*, category);
- locale(const locale&, const string&, category);
- template <class _Facet>
- _LIBCPP_HIDE_FROM_ABI locale(const locale&, _Facet*);
- locale(const locale&, const locale&, category);
-
- ~locale();
-
- const locale& operator=(const locale&) _NOEXCEPT;
-
- template <class _Facet>
- _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS locale combine(const locale&) const;
-
- // locale operations:
- string name() const;
- bool operator==(const locale&) const;
-#if _LIBCPP_STD_VER <= 17
- _LIBCPP_HIDE_FROM_ABI bool operator!=(const locale& __y) const { return !(*this == __y); }
-#endif
- template <class _CharT, class _Traits, class _Allocator>
- _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS bool
- operator()(const basic_string<_CharT, _Traits, _Allocator>&, const basic_string<_CharT, _Traits, _Allocator>&) const;
-
- // global locale objects:
- static locale global(const locale&);
- static const locale& classic();
-
-private:
- class __imp;
- __imp* __locale_;
-
- template <class>
- friend struct __no_destroy;
- struct __private_tag {};
- _LIBCPP_HIDE_FROM_ABI explicit locale(__private_tag, __imp* __loc) : __locale_(__loc) {}
-
- void __install_ctor(const locale&, facet*, long);
- static locale& __global();
- bool has_facet(id&) const;
- const facet* use_facet(id&) const;
-
- template <class _Facet>
- friend bool has_facet(const locale&) _NOEXCEPT;
- template <class _Facet>
- friend const _Facet& use_facet(const locale&);
-};
-
-class _LIBCPP_EXPORTED_FROM_ABI locale::facet : public __shared_count {
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit facet(size_t __refs = 0) : __shared_count(static_cast<long>(__refs) - 1) {}
-
- ~facet() override;
-
- // facet(const facet&) = delete; // effectively done in __shared_count
- // void operator=(const facet&) = delete;
-
-private:
- void __on_zero_shared() _NOEXCEPT override;
-};
-
-class _LIBCPP_EXPORTED_FROM_ABI locale::id {
- once_flag __flag_;
- int32_t __id_;
-
- static int32_t __next_id;
-
-public:
- _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR id() : __id_(0) {}
- void operator=(const id&) = delete;
- id(const id&) = delete;
-
-public: // only needed for tests
- long __get();
-
- friend class locale;
- friend class locale::__imp;
-};
-
-template <class _Facet>
-inline _LIBCPP_HIDE_FROM_ABI locale::locale(const locale& __other, _Facet* __f) {
- __install_ctor(__other, __f, __f ? __f->id.__get() : 0);
-}
-
-template <class _Facet>
-locale locale::combine(const locale& __other) const {
- if (!std::has_facet<_Facet>(__other))
- __throw_runtime_error("locale::combine: locale missing facet");
-
- return locale(*this, &const_cast<_Facet&>(std::use_facet<_Facet>(__other)));
-}
-
-template <class _Facet>
-inline _LIBCPP_HIDE_FROM_ABI bool has_facet(const locale& __l) _NOEXCEPT {
- return __l.has_facet(_Facet::id);
-}
-
-template <class _Facet>
-inline _LIBCPP_HIDE_FROM_ABI const _Facet& use_facet(const locale& __l) {
- return static_cast<const _Facet&>(*__l.use_facet(_Facet::id));
-}
-
-// template <class _CharT> class collate;
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS collate : public locale::facet {
-public:
- typedef _CharT char_type;
- typedef basic_string<char_type> string_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI int
- compare(const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const {
- return do_compare(__lo1, __hi1, __lo2, __hi2);
- }
-
- // FIXME(EricWF): The _LIBCPP_ALWAYS_INLINE is needed on Windows to work
- // around a dllimport bug that expects an external instantiation.
- _LIBCPP_HIDE_FROM_ABI _LIBCPP_ALWAYS_INLINE string_type
- transform(const char_type* __lo, const char_type* __hi) const {
- return do_transform(__lo, __hi);
- }
-
- _LIBCPP_HIDE_FROM_ABI long hash(const char_type* __lo, const char_type* __hi) const { return do_hash(__lo, __hi); }
-
- static locale::id id;
-
-protected:
- ~collate() override;
- virtual int
- do_compare(const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const;
- virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const {
- return string_type(__lo, __hi);
- }
- virtual long do_hash(const char_type* __lo, const char_type* __hi) const;
-};
-
-template <class _CharT>
-locale::id collate<_CharT>::id;
-
-template <class _CharT>
-collate<_CharT>::~collate() {}
-
-template <class _CharT>
-int collate<_CharT>::do_compare(
- const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const {
- for (; __lo2 != __hi2; ++__lo1, ++__lo2) {
- if (__lo1 == __hi1 || *__lo1 < *__lo2)
- return -1;
- if (*__lo2 < *__lo1)
- return 1;
- }
- return __lo1 != __hi1;
-}
-
-template <class _CharT>
-long collate<_CharT>::do_hash(const char_type* __lo, const char_type* __hi) const {
- size_t __h = 0;
- const size_t __sr = __CHAR_BIT__ * sizeof(size_t) - 8;
- const size_t __mask = size_t(0xF) << (__sr + 4);
- for (const char_type* __p = __lo; __p != __hi; ++__p) {
- __h = (__h << 4) + static_cast<size_t>(*__p);
- size_t __g = __h & __mask;
- __h ^= __g | (__g >> __sr);
- }
- return static_cast<long>(__h);
-}
-
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<char>;
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<wchar_t>;
-#endif
-
-// template <class CharT> class collate_byname;
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS collate_byname;
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI collate_byname<char> : public collate<char> {
- locale_t __l_;
-
-public:
- typedef char char_type;
- typedef basic_string<char_type> string_type;
-
- explicit collate_byname(const char* __n, size_t __refs = 0);
- explicit collate_byname(const string& __n, size_t __refs = 0);
-
-protected:
- ~collate_byname() override;
- int do_compare(
- const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const override;
- string_type do_transform(const char_type* __lo, const char_type* __hi) const override;
-};
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI collate_byname<wchar_t> : public collate<wchar_t> {
- locale_t __l_;
-
-public:
- typedef wchar_t char_type;
- typedef basic_string<char_type> string_type;
-
- explicit collate_byname(const char* __n, size_t __refs = 0);
- explicit collate_byname(const string& __n, size_t __refs = 0);
-
-protected:
- ~collate_byname() override;
-
- int do_compare(
- const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const override;
- string_type do_transform(const char_type* __lo, const char_type* __hi) const override;
-};
-#endif
-
-template <class _CharT, class _Traits, class _Allocator>
-bool locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
- const basic_string<_CharT, _Traits, _Allocator>& __y) const {
- return std::use_facet<std::collate<_CharT> >(*this).compare(
- __x.data(), __x.data() + __x.size(), __y.data(), __y.data() + __y.size()) < 0;
-}
-
-// template <class charT> class ctype
-
-class _LIBCPP_EXPORTED_FROM_ABI ctype_base {
-public:
-#if defined(_LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE)
- typedef unsigned long mask;
- static const mask space = 1 << 0;
- static const mask print = 1 << 1;
- static const mask cntrl = 1 << 2;
- static const mask upper = 1 << 3;
- static const mask lower = 1 << 4;
- static const mask alpha = 1 << 5;
- static const mask digit = 1 << 6;
- static const mask punct = 1 << 7;
- static const mask xdigit = 1 << 8;
- static const mask blank = 1 << 9;
-# if defined(__BIONIC__)
- // Historically this was a part of regex_traits rather than ctype_base. The
- // historical value of the constant is preserved for ABI compatibility.
- static const mask __regex_word = 0x8000;
-# else
- static const mask __regex_word = 1 << 10;
-# endif // defined(__BIONIC__)
-#elif defined(__GLIBC__)
- typedef unsigned short mask;
- static const mask space = _ISspace;
- static const mask print = _ISprint;
- static const mask cntrl = _IScntrl;
- static const mask upper = _ISupper;
- static const mask lower = _ISlower;
- static const mask alpha = _ISalpha;
- static const mask digit = _ISdigit;
- static const mask punct = _ISpunct;
- static const mask xdigit = _ISxdigit;
- static const mask blank = _ISblank;
-# if defined(__mips__) || (BYTE_ORDER == BIG_ENDIAN)
- static const mask __regex_word = static_cast<mask>(_ISbit(15));
-# else
- static const mask __regex_word = 0x80;
-# endif
-#elif defined(_LIBCPP_MSVCRT_LIKE)
- typedef unsigned short mask;
- static const mask space = _SPACE;
- static const mask print = _BLANK | _PUNCT | _ALPHA | _DIGIT;
- static const mask cntrl = _CONTROL;
- static const mask upper = _UPPER;
- static const mask lower = _LOWER;
- static const mask alpha = _ALPHA;
- static const mask digit = _DIGIT;
- static const mask punct = _PUNCT;
- static const mask xdigit = _HEX;
- static const mask blank = _BLANK;
- static const mask __regex_word = 0x4000; // 0x8000 and 0x0100 and 0x00ff are used
-# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
-# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
-#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
-# ifdef __APPLE__
- typedef __uint32_t mask;
-# elif defined(__FreeBSD__)
- typedef unsigned long mask;
-# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__)
- typedef unsigned short mask;
-# endif
- static const mask space = _CTYPE_S;
- static const mask print = _CTYPE_R;
- static const mask cntrl = _CTYPE_C;
- static const mask upper = _CTYPE_U;
- static const mask lower = _CTYPE_L;
- static const mask alpha = _CTYPE_A;
- static const mask digit = _CTYPE_D;
- static const mask punct = _CTYPE_P;
- static const mask xdigit = _CTYPE_X;
-
-# if defined(__NetBSD__)
- static const mask blank = _CTYPE_BL;
- // NetBSD defines classes up to 0x2000
- // see sys/ctype_bits.h, _CTYPE_Q
- static const mask __regex_word = 0x8000;
-# else
- static const mask blank = _CTYPE_B;
- static const mask __regex_word = 0x80;
-# endif
-#elif defined(_AIX)
- typedef unsigned int mask;
- static const mask space = _ISSPACE;
- static const mask print = _ISPRINT;
- static const mask cntrl = _ISCNTRL;
- static const mask upper = _ISUPPER;
- static const mask lower = _ISLOWER;
- static const mask alpha = _ISALPHA;
- static const mask digit = _ISDIGIT;
- static const mask punct = _ISPUNCT;
- static const mask xdigit = _ISXDIGIT;
- static const mask blank = _ISBLANK;
- static const mask __regex_word = 0x8000;
-#elif defined(_NEWLIB_VERSION)
- // Same type as Newlib's _ctype_ array in newlib/libc/include/ctype.h.
- typedef char mask;
- // In case char is signed, static_cast is needed to avoid warning on
- // positive value becomming negative.
- static const mask space = static_cast<mask>(_S);
- static const mask print = static_cast<mask>(_P | _U | _L | _N | _B);
- static const mask cntrl = static_cast<mask>(_C);
- static const mask upper = static_cast<mask>(_U);
- static const mask lower = static_cast<mask>(_L);
- static const mask alpha = static_cast<mask>(_U | _L);
- static const mask digit = static_cast<mask>(_N);
- static const mask punct = static_cast<mask>(_P);
- static const mask xdigit = static_cast<mask>(_X | _N);
- static const mask blank = static_cast<mask>(_B);
- // mask is already fully saturated, use a different type in regex_type_traits.
- static const unsigned short __regex_word = 0x100;
-# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
-# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
-# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
-#elif defined(__MVS__)
-# if defined(__NATIVE_ASCII_F)
- typedef unsigned int mask;
- static const mask space = _ISSPACE_A;
- static const mask print = _ISPRINT_A;
- static const mask cntrl = _ISCNTRL_A;
- static const mask upper = _ISUPPER_A;
- static const mask lower = _ISLOWER_A;
- static const mask alpha = _ISALPHA_A;
- static const mask digit = _ISDIGIT_A;
- static const mask punct = _ISPUNCT_A;
- static const mask xdigit = _ISXDIGIT_A;
- static const mask blank = _ISBLANK_A;
-# else
- typedef unsigned short mask;
- static const mask space = __ISSPACE;
- static const mask print = __ISPRINT;
- static const mask cntrl = __ISCNTRL;
- static const mask upper = __ISUPPER;
- static const mask lower = __ISLOWER;
- static const mask alpha = __ISALPHA;
- static const mask digit = __ISDIGIT;
- static const mask punct = __ISPUNCT;
- static const mask xdigit = __ISXDIGIT;
- static const mask blank = __ISBLANK;
-# endif
- static const mask __regex_word = 0x8000;
-#else
-# error unknown rune table for this platform -- do you mean to define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE?
-#endif
- static const mask alnum = alpha | digit;
- static const mask graph = alnum | punct;
-
- _LIBCPP_HIDE_FROM_ABI ctype_base() {}
-
- static_assert((__regex_word & ~(std::make_unsigned<mask>::type)(space | print | cntrl | upper | lower | alpha |
- digit | punct | xdigit | blank)) == __regex_word,
- "__regex_word can't overlap other bits");
-};
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS ctype;
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI ctype<wchar_t> : public locale::facet, public ctype_base {
-public:
- typedef wchar_t char_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit ctype(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI bool is(mask __m, char_type __c) const { return do_is(__m, __c); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const {
- return do_is(__low, __high, __vec);
- }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const {
- return do_scan_is(__m, __low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const {
- return do_scan_not(__m, __low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type toupper(char_type __c) const { return do_toupper(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* toupper(char_type* __low, const char_type* __high) const {
- return do_toupper(__low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type tolower(char_type __c) const { return do_tolower(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* tolower(char_type* __low, const char_type* __high) const {
- return do_tolower(__low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type widen(char __c) const { return do_widen(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char* widen(const char* __low, const char* __high, char_type* __to) const {
- return do_widen(__low, __high, __to);
- }
-
- _LIBCPP_HIDE_FROM_ABI char narrow(char_type __c, char __dfault) const { return do_narrow(__c, __dfault); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type*
- narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const {
- return do_narrow(__low, __high, __dfault, __to);
- }
-
- static locale::id id;
-
-protected:
- ~ctype() override;
- virtual bool do_is(mask __m, char_type __c) const;
- virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
- virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
- virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
- virtual char_type do_toupper(char_type) const;
- virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
- virtual char_type do_tolower(char_type) const;
- virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
- virtual char_type do_widen(char) const;
- virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
- virtual char do_narrow(char_type, char __dfault) const;
- virtual const char_type*
- do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
-};
-#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI ctype<char> : public locale::facet, public ctype_base {
- const mask* __tab_;
- bool __del_;
-
-public:
- typedef char char_type;
-
- explicit ctype(const mask* __tab = nullptr, bool __del = false, size_t __refs = 0);
-
- _LIBCPP_HIDE_FROM_ABI bool is(mask __m, char_type __c) const {
- return isascii(__c) ? (__tab_[static_cast<int>(__c)] & __m) != 0 : false;
- }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const {
- for (; __low != __high; ++__low, ++__vec)
- *__vec = isascii(*__low) ? __tab_[static_cast<int>(*__low)] : 0;
- return __low;
- }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const {
- for (; __low != __high; ++__low)
- if (isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m))
- break;
- return __low;
- }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const {
- for (; __low != __high; ++__low)
- if (!isascii(*__low) || !(__tab_[static_cast<int>(*__low)] & __m))
- break;
- return __low;
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type toupper(char_type __c) const { return do_toupper(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* toupper(char_type* __low, const char_type* __high) const {
- return do_toupper(__low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type tolower(char_type __c) const { return do_tolower(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char_type* tolower(char_type* __low, const char_type* __high) const {
- return do_tolower(__low, __high);
- }
-
- _LIBCPP_HIDE_FROM_ABI char_type widen(char __c) const { return do_widen(__c); }
-
- _LIBCPP_HIDE_FROM_ABI const char* widen(const char* __low, const char* __high, char_type* __to) const {
- return do_widen(__low, __high, __to);
- }
-
- _LIBCPP_HIDE_FROM_ABI char narrow(char_type __c, char __dfault) const { return do_narrow(__c, __dfault); }
-
- _LIBCPP_HIDE_FROM_ABI const char*
- narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const {
- return do_narrow(__low, __high, __dfault, __to);
- }
-
- static locale::id id;
-
-#ifdef _CACHED_RUNES
- static const size_t table_size = _CACHED_RUNES;
-#else
- static const size_t table_size = 256; // FIXME: Don't hardcode this.
-#endif
- _LIBCPP_HIDE_FROM_ABI const mask* table() const _NOEXCEPT { return __tab_; }
- static const mask* classic_table() _NOEXCEPT;
-#if defined(__GLIBC__) || defined(__EMSCRIPTEN__)
- static const int* __classic_upper_table() _NOEXCEPT;
- static const int* __classic_lower_table() _NOEXCEPT;
-#endif
-#if defined(__NetBSD__)
- static const short* __classic_upper_table() _NOEXCEPT;
- static const short* __classic_lower_table() _NOEXCEPT;
-#endif
-#if defined(__MVS__)
- static const unsigned short* __classic_upper_table() _NOEXCEPT;
- static const unsigned short* __classic_lower_table() _NOEXCEPT;
-#endif
-
-protected:
- ~ctype() override;
- virtual char_type do_toupper(char_type __c) const;
- virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
- virtual char_type do_tolower(char_type __c) const;
- virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
- virtual char_type do_widen(char __c) const;
- virtual const char* do_widen(const char* __low, const char* __high, char_type* __to) const;
- virtual char do_narrow(char_type __c, char __dfault) const;
- virtual const char* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const;
-};
-
-// template <class CharT> class ctype_byname;
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS ctype_byname;
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI ctype_byname<char> : public ctype<char> {
- locale_t __l_;
-
-public:
- explicit ctype_byname(const char*, size_t = 0);
- explicit ctype_byname(const string&, size_t = 0);
-
-protected:
- ~ctype_byname() override;
- char_type do_toupper(char_type) const override;
- const char_type* do_toupper(char_type* __low, const char_type* __high) const override;
- char_type do_tolower(char_type) const override;
- const char_type* do_tolower(char_type* __low, const char_type* __high) const override;
-};
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI ctype_byname<wchar_t> : public ctype<wchar_t> {
- locale_t __l_;
-
-public:
- explicit ctype_byname(const char*, size_t = 0);
- explicit ctype_byname(const string&, size_t = 0);
-
-protected:
- ~ctype_byname() override;
- bool do_is(mask __m, char_type __c) const override;
- const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const override;
- const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const override;
- const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const override;
- char_type do_toupper(char_type) const override;
- const char_type* do_toupper(char_type* __low, const char_type* __high) const override;
- char_type do_tolower(char_type) const override;
- const char_type* do_tolower(char_type* __low, const char_type* __high) const override;
- char_type do_widen(char) const override;
- const char* do_widen(const char* __low, const char* __high, char_type* __dest) const override;
- char do_narrow(char_type, char __dfault) const override;
- const char_type*
- do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const override;
-};
-#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isspace(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isprint(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool iscntrl(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isupper(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool islower(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isalpha(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isdigit(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool ispunct(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isxdigit(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isalnum(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI bool isgraph(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c);
-}
-
-template <class _CharT>
-_LIBCPP_HIDE_FROM_ABI bool isblank(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::blank, __c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI _CharT toupper(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).toupper(__c);
-}
-
-template <class _CharT>
-inline _LIBCPP_HIDE_FROM_ABI _CharT tolower(_CharT __c, const locale& __loc) {
- return std::use_facet<ctype<_CharT> >(__loc).tolower(__c);
-}
-
-// codecvt_base
-
-class _LIBCPP_EXPORTED_FROM_ABI codecvt_base {
-public:
- _LIBCPP_HIDE_FROM_ABI codecvt_base() {}
- enum result { ok, partial, error, noconv };
-};
-
-// template <class internT, class externT, class stateT> class codecvt;
-
-template <class _InternT, class _ExternT, class _StateT>
-class _LIBCPP_TEMPLATE_VIS codecvt;
-
-// template <> class codecvt<char, char, mbstate_t>
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI codecvt<char, char, mbstate_t> : public locale::facet, public codecvt_base {
-public:
- typedef char intern_type;
- typedef char extern_type;
- typedef mbstate_t state_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-
-// template <> class codecvt<wchar_t, char, mbstate_t>
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI codecvt<wchar_t, char, mbstate_t> : public locale::facet, public codecvt_base {
- locale_t __l_;
-
-public:
- typedef wchar_t intern_type;
- typedef char extern_type;
- typedef mbstate_t state_type;
-
- explicit codecvt(size_t __refs = 0);
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- explicit codecvt(const char*, size_t __refs = 0);
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-
-// template <> class codecvt<char16_t, char, mbstate_t> // deprecated in C++20
-
-template <>
-class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXPORTED_FROM_ABI codecvt<char16_t, char, mbstate_t>
- : public locale::facet, public codecvt_base {
-public:
- typedef char16_t intern_type;
- typedef char extern_type;
- typedef mbstate_t state_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-
-#ifndef _LIBCPP_HAS_NO_CHAR8_T
-
-// template <> class codecvt<char16_t, char8_t, mbstate_t> // C++20
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI codecvt<char16_t, char8_t, mbstate_t> : public locale::facet, public codecvt_base {
-public:
- typedef char16_t intern_type;
- typedef char8_t extern_type;
- typedef mbstate_t state_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-
-#endif
-
-// template <> class codecvt<char32_t, char, mbstate_t> // deprecated in C++20
-
-template <>
-class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXPORTED_FROM_ABI codecvt<char32_t, char, mbstate_t>
- : public locale::facet, public codecvt_base {
-public:
- typedef char32_t intern_type;
- typedef char extern_type;
- typedef mbstate_t state_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-
-#ifndef _LIBCPP_HAS_NO_CHAR8_T
-
-// template <> class codecvt<char32_t, char8_t, mbstate_t> // C++20
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI codecvt<char32_t, char8_t, mbstate_t> : public locale::facet, public codecvt_base {
-public:
- typedef char32_t intern_type;
- typedef char8_t extern_type;
- typedef mbstate_t state_type;
-
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
-
- _LIBCPP_HIDE_FROM_ABI result
- out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const {
- return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
- return do_unshift(__st, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI result
- in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const {
- return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
- }
-
- _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
-
- _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
-
- _LIBCPP_HIDE_FROM_ABI int
- length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
- return do_length(__st, __frm, __end, __mx);
- }
-
- _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
-
- static locale::id id;
-
-protected:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
-
- ~codecvt() override;
-
- virtual result
- do_out(state_type& __st,
- const intern_type* __frm,
- const intern_type* __frm_end,
- const intern_type*& __frm_nxt,
- extern_type* __to,
- extern_type* __to_end,
- extern_type*& __to_nxt) const;
- virtual result
- do_in(state_type& __st,
- const extern_type* __frm,
- const extern_type* __frm_end,
- const extern_type*& __frm_nxt,
- intern_type* __to,
- intern_type* __to_end,
- intern_type*& __to_nxt) const;
- virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
- virtual int do_encoding() const _NOEXCEPT;
- virtual bool do_always_noconv() const _NOEXCEPT;
- virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
- virtual int do_max_length() const _NOEXCEPT;
-};
-
-#endif
-
-// template <class _InternT, class _ExternT, class _StateT> class codecvt_byname
-
-template <class _InternT, class _ExternT, class _StateT>
-class _LIBCPP_TEMPLATE_VIS codecvt_byname : public codecvt<_InternT, _ExternT, _StateT> {
-public:
- _LIBCPP_HIDE_FROM_ABI explicit codecvt_byname(const char* __nm, size_t __refs = 0)
- : codecvt<_InternT, _ExternT, _StateT>(__nm, __refs) {}
- _LIBCPP_HIDE_FROM_ABI explicit codecvt_byname(const string& __nm, size_t __refs = 0)
- : codecvt<_InternT, _ExternT, _StateT>(__nm.c_str(), __refs) {}
-
-protected:
- ~codecvt_byname() override;
-};
-
-_LIBCPP_SUPPRESS_DEPRECATED_PUSH
-template <class _InternT, class _ExternT, class _StateT>
-codecvt_byname<_InternT, _ExternT, _StateT>::~codecvt_byname() {}
-_LIBCPP_SUPPRESS_DEPRECATED_POP
-
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char, char, mbstate_t>;
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<wchar_t, char, mbstate_t>;
-#endif
-extern template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
- codecvt_byname<char16_t, char, mbstate_t>; // deprecated in C++20
-extern template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
- codecvt_byname<char32_t, char, mbstate_t>; // deprecated in C++20
-#ifndef _LIBCPP_HAS_NO_CHAR8_T
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char16_t, char8_t, mbstate_t>; // C++20
-extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char32_t, char8_t, mbstate_t>; // C++20
-#endif
-
-template <size_t _Np>
-struct __narrow_to_utf8 {
- template <class _OutputIterator, class _CharT>
- _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const;
-};
-
-template <>
-struct __narrow_to_utf8<8> {
- template <class _OutputIterator, class _CharT>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
- for (; __wb < __we; ++__wb, ++__s)
- *__s = *__wb;
- return __s;
- }
-};
-
-_LIBCPP_SUPPRESS_DEPRECATED_PUSH
-template <>
-struct _LIBCPP_EXPORTED_FROM_ABI __narrow_to_utf8<16> : public codecvt<char16_t, char, mbstate_t> {
- _LIBCPP_HIDE_FROM_ABI __narrow_to_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
- _LIBCPP_SUPPRESS_DEPRECATED_POP
-
- ~__narrow_to_utf8() override;
-
- template <class _OutputIterator, class _CharT>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
- result __r = ok;
- mbstate_t __mb;
- while (__wb < __we && __r != error) {
- const int __sz = 32;
- char __buf[__sz];
- char* __bn;
- const char16_t* __wn = (const char16_t*)__wb;
- __r = do_out(__mb, (const char16_t*)__wb, (const char16_t*)__we, __wn, __buf, __buf + __sz, __bn);
- if (__r == codecvt_base::error || __wn == (const char16_t*)__wb)
- __throw_runtime_error("locale not supported");
- for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
- *__s = *__p;
- __wb = (const _CharT*)__wn;
- }
- return __s;
- }
-};
-
-_LIBCPP_SUPPRESS_DEPRECATED_PUSH
-template <>
-struct _LIBCPP_EXPORTED_FROM_ABI __narrow_to_utf8<32> : public codecvt<char32_t, char, mbstate_t> {
- _LIBCPP_HIDE_FROM_ABI __narrow_to_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
- _LIBCPP_SUPPRESS_DEPRECATED_POP
-
- ~__narrow_to_utf8() override;
-
- template <class _OutputIterator, class _CharT>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
- result __r = ok;
- mbstate_t __mb;
- while (__wb < __we && __r != error) {
- const int __sz = 32;
- char __buf[__sz];
- char* __bn;
- const char32_t* __wn = (const char32_t*)__wb;
- __r = do_out(__mb, (const char32_t*)__wb, (const char32_t*)__we, __wn, __buf, __buf + __sz, __bn);
- if (__r == codecvt_base::error || __wn == (const char32_t*)__wb)
- __throw_runtime_error("locale not supported");
- for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
- *__s = *__p;
- __wb = (const _CharT*)__wn;
- }
- return __s;
- }
-};
-
-template <size_t _Np>
-struct __widen_from_utf8 {
- template <class _OutputIterator>
- _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const;
-};
-
-template <>
-struct __widen_from_utf8<8> {
- template <class _OutputIterator>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
- for (; __nb < __ne; ++__nb, ++__s)
- *__s = *__nb;
- return __s;
- }
-};
-
-_LIBCPP_SUPPRESS_DEPRECATED_PUSH
-template <>
-struct _LIBCPP_EXPORTED_FROM_ABI __widen_from_utf8<16> : public codecvt<char16_t, char, mbstate_t> {
- _LIBCPP_HIDE_FROM_ABI __widen_from_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
- _LIBCPP_SUPPRESS_DEPRECATED_POP
-
- ~__widen_from_utf8() override;
-
- template <class _OutputIterator>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
- result __r = ok;
- mbstate_t __mb;
- while (__nb < __ne && __r != error) {
- const int __sz = 32;
- char16_t __buf[__sz];
- char16_t* __bn;
- const char* __nn = __nb;
- __r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb + __sz : __ne, __nn, __buf, __buf + __sz, __bn);
- if (__r == codecvt_base::error || __nn == __nb)
- __throw_runtime_error("locale not supported");
- for (const char16_t* __p = __buf; __p < __bn; ++__p, ++__s)
- *__s = *__p;
- __nb = __nn;
- }
- return __s;
- }
-};
-
-_LIBCPP_SUPPRESS_DEPRECATED_PUSH
-template <>
-struct _LIBCPP_EXPORTED_FROM_ABI __widen_from_utf8<32> : public codecvt<char32_t, char, mbstate_t> {
- _LIBCPP_HIDE_FROM_ABI __widen_from_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
- _LIBCPP_SUPPRESS_DEPRECATED_POP
-
- ~__widen_from_utf8() override;
-
- template <class _OutputIterator>
- _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
- result __r = ok;
- mbstate_t __mb;
- while (__nb < __ne && __r != error) {
- const int __sz = 32;
- char32_t __buf[__sz];
- char32_t* __bn;
- const char* __nn = __nb;
- __r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb + __sz : __ne, __nn, __buf, __buf + __sz, __bn);
- if (__r == codecvt_base::error || __nn == __nb)
- __throw_runtime_error("locale not supported");
- for (const char32_t* __p = __buf; __p < __bn; ++__p, ++__s)
- *__s = *__p;
- __nb = __nn;
- }
- return __s;
- }
-};
-
-// template <class charT> class numpunct
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS numpunct;
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI numpunct<char> : public locale::facet {
-public:
- typedef char char_type;
- typedef basic_string<char_type> string_type;
-
- explicit numpunct(size_t __refs = 0);
-
- _LIBCPP_HIDE_FROM_ABI char_type decimal_point() const { return do_decimal_point(); }
- _LIBCPP_HIDE_FROM_ABI char_type thousands_sep() const { return do_thousands_sep(); }
- _LIBCPP_HIDE_FROM_ABI string grouping() const { return do_grouping(); }
- _LIBCPP_HIDE_FROM_ABI string_type truename() const { return do_truename(); }
- _LIBCPP_HIDE_FROM_ABI string_type falsename() const { return do_falsename(); }
-
- static locale::id id;
-
-protected:
- ~numpunct() override;
- virtual char_type do_decimal_point() const;
- virtual char_type do_thousands_sep() const;
- virtual string do_grouping() const;
- virtual string_type do_truename() const;
- virtual string_type do_falsename() const;
-
- char_type __decimal_point_;
- char_type __thousands_sep_;
- string __grouping_;
-};
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI numpunct<wchar_t> : public locale::facet {
-public:
- typedef wchar_t char_type;
- typedef basic_string<char_type> string_type;
-
- explicit numpunct(size_t __refs = 0);
-
- _LIBCPP_HIDE_FROM_ABI char_type decimal_point() const { return do_decimal_point(); }
- _LIBCPP_HIDE_FROM_ABI char_type thousands_sep() const { return do_thousands_sep(); }
- _LIBCPP_HIDE_FROM_ABI string grouping() const { return do_grouping(); }
- _LIBCPP_HIDE_FROM_ABI string_type truename() const { return do_truename(); }
- _LIBCPP_HIDE_FROM_ABI string_type falsename() const { return do_falsename(); }
-
- static locale::id id;
-
-protected:
- ~numpunct() override;
- virtual char_type do_decimal_point() const;
- virtual char_type do_thousands_sep() const;
- virtual string do_grouping() const;
- virtual string_type do_truename() const;
- virtual string_type do_falsename() const;
-
- char_type __decimal_point_;
- char_type __thousands_sep_;
- string __grouping_;
-};
-#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-
-// template <class charT> class numpunct_byname
-
-template <class _CharT>
-class _LIBCPP_TEMPLATE_VIS numpunct_byname;
-
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI numpunct_byname<char> : public numpunct<char> {
-public:
- typedef char char_type;
- typedef basic_string<char_type> string_type;
-
- explicit numpunct_byname(const char* __nm, size_t __refs = 0);
- explicit numpunct_byname(const string& __nm, size_t __refs = 0);
-
-protected:
- ~numpunct_byname() override;
-
-private:
- void __init(const char*);
-};
-
-#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-template <>
-class _LIBCPP_EXPORTED_FROM_ABI numpunct_byname<wchar_t> : public numpunct<wchar_t> {
-public:
- typedef wchar_t char_type;
- typedef basic_string<char_type> string_type;
-
- explicit numpunct_byname(const char* __nm, size_t __refs = 0);
- explicit numpunct_byname(const string& __nm, size_t __refs = 0);
-
-protected:
- ~numpunct_byname() override;
-
-private:
- void __init(const char*);
-};
-#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
-
-_LIBCPP_END_NAMESPACE_STD
-
-#endif // _LIBCPP___LOCALE
diff --git a/libcxx/include/__locale_dir/codecvt.h b/libcxx/include/__locale_dir/codecvt.h
new file mode 100644
index 00000000000000..b0e89ebe10335f
--- /dev/null
+++ b/libcxx/include/__locale_dir/codecvt.h
@@ -0,0 +1,518 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CODECVT_H
+#define _LIBCPP___LOCALE_CODECVT_H
+
+#include <__config>
+#include <__locale_dir/codecvt_base.h>
+#include <__locale_dir/locale.h>
+#include <__locale_dir/locale_base_api.h>
+#include <__std_mbstate_t.h>
+#include <cstddef>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InternT, class _ExternT, class _StateT>
+class _LIBCPP_TEMPLATE_VIS codecvt;
+
+// template <> class codecvt<char, char, mbstate_t>
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI codecvt<char, char, mbstate_t> : public locale::facet, public codecvt_base {
+public:
+ typedef char intern_type;
+ typedef char extern_type;
+ typedef mbstate_t state_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+
+// template <> class codecvt<wchar_t, char, mbstate_t>
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI codecvt<wchar_t, char, mbstate_t> : public locale::facet, public codecvt_base {
+ locale_t __l_;
+
+public:
+ typedef wchar_t intern_type;
+ typedef char extern_type;
+ typedef mbstate_t state_type;
+
+ explicit codecvt(size_t __refs = 0);
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ explicit codecvt(const char*, size_t __refs = 0);
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+
+// template <> class codecvt<char16_t, char, mbstate_t> // deprecated in C++20
+
+template <>
+class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXPORTED_FROM_ABI codecvt<char16_t, char, mbstate_t>
+ : public locale::facet, public codecvt_base {
+public:
+ typedef char16_t intern_type;
+ typedef char extern_type;
+ typedef mbstate_t state_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
+
+// template <> class codecvt<char16_t, char8_t, mbstate_t> // C++20
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI codecvt<char16_t, char8_t, mbstate_t> : public locale::facet, public codecvt_base {
+public:
+ typedef char16_t intern_type;
+ typedef char8_t extern_type;
+ typedef mbstate_t state_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+
+#endif
+
+// template <> class codecvt<char32_t, char, mbstate_t> // deprecated in C++20
+
+template <>
+class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXPORTED_FROM_ABI codecvt<char32_t, char, mbstate_t>
+ : public locale::facet, public codecvt_base {
+public:
+ typedef char32_t intern_type;
+ typedef char extern_type;
+ typedef mbstate_t state_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
+
+// template <> class codecvt<char32_t, char8_t, mbstate_t> // C++20
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI codecvt<char32_t, char8_t, mbstate_t> : public locale::facet, public codecvt_base {
+public:
+ typedef char32_t intern_type;
+ typedef char8_t extern_type;
+ typedef mbstate_t state_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI result
+ out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const {
+ return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const {
+ return do_unshift(__st, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI result
+ in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const {
+ return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int encoding() const _NOEXCEPT { return do_encoding(); }
+
+ _LIBCPP_HIDE_FROM_ABI bool always_noconv() const _NOEXCEPT { return do_always_noconv(); }
+
+ _LIBCPP_HIDE_FROM_ABI int
+ length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const {
+ return do_length(__st, __frm, __end, __mx);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI int max_length() const _NOEXCEPT { return do_max_length(); }
+
+ static locale::id id;
+
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt(const char*, size_t __refs = 0) : locale::facet(__refs) {}
+
+ ~codecvt() override;
+
+ virtual result
+ do_out(state_type& __st,
+ const intern_type* __frm,
+ const intern_type* __frm_end,
+ const intern_type*& __frm_nxt,
+ extern_type* __to,
+ extern_type* __to_end,
+ extern_type*& __to_nxt) const;
+ virtual result
+ do_in(state_type& __st,
+ const extern_type* __frm,
+ const extern_type* __frm_end,
+ const extern_type*& __frm_nxt,
+ intern_type* __to,
+ intern_type* __to_end,
+ intern_type*& __to_nxt) const;
+ virtual result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
+ virtual int do_encoding() const _NOEXCEPT;
+ virtual bool do_always_noconv() const _NOEXCEPT;
+ virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
+ virtual int do_max_length() const _NOEXCEPT;
+};
+
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CODECVT_H
diff --git a/libcxx/include/__locale_dir/codecvt_base.h b/libcxx/include/__locale_dir/codecvt_base.h
new file mode 100644
index 00000000000000..96708e30f67dee
--- /dev/null
+++ b/libcxx/include/__locale_dir/codecvt_base.h
@@ -0,0 +1,28 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CODECVT_BASE_H
+#define _LIBCPP___LOCALE_CODECVT_BASE_H
+
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+class _LIBCPP_EXPORTED_FROM_ABI codecvt_base {
+public:
+ _LIBCPP_HIDE_FROM_ABI codecvt_base() {}
+ enum result { ok, partial, error, noconv };
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CODECVT_BASE_H
diff --git a/libcxx/include/__locale_dir/codecvt_byname.h b/libcxx/include/__locale_dir/codecvt_byname.h
new file mode 100644
index 00000000000000..7a3835b581edb5
--- /dev/null
+++ b/libcxx/include/__locale_dir/codecvt_byname.h
@@ -0,0 +1,55 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CODECVT_BYNAME_H
+#define _LIBCPP___LOCALE_CODECVT_BYNAME_H
+
+#include <__config>
+#include <__locale_dir/codecvt.h>
+#include <cstddef>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _InternT, class _ExternT, class _StateT>
+class _LIBCPP_TEMPLATE_VIS codecvt_byname : public codecvt<_InternT, _ExternT, _StateT> {
+public:
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt_byname(const char* __nm, size_t __refs = 0)
+ : codecvt<_InternT, _ExternT, _StateT>(__nm, __refs) {}
+ _LIBCPP_HIDE_FROM_ABI explicit codecvt_byname(const string& __nm, size_t __refs = 0)
+ : codecvt<_InternT, _ExternT, _StateT>(__nm.c_str(), __refs) {}
+
+protected:
+ ~codecvt_byname() override;
+};
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <class _InternT, class _ExternT, class _StateT>
+codecvt_byname<_InternT, _ExternT, _StateT>::~codecvt_byname() {}
+_LIBCPP_SUPPRESS_DEPRECATED_POP
+
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char, char, mbstate_t>;
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<wchar_t, char, mbstate_t>;
+#endif
+extern template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+ codecvt_byname<char16_t, char, mbstate_t>; // deprecated in C++20
+extern template class _LIBCPP_DEPRECATED_IN_CXX20 _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS
+ codecvt_byname<char32_t, char, mbstate_t>; // deprecated in C++20
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char16_t, char8_t, mbstate_t>; // C++20
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS codecvt_byname<char32_t, char8_t, mbstate_t>; // C++20
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CODECVT_BYNAME_H
diff --git a/libcxx/include/__locale_dir/collate.h b/libcxx/include/__locale_dir/collate.h
new file mode 100644
index 00000000000000..43cabd5abac7cb
--- /dev/null
+++ b/libcxx/include/__locale_dir/collate.h
@@ -0,0 +1,94 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_COLLATE_H
+#define _LIBCPP___LOCALE_COLLATE_H
+
+#include <__config>
+#include <__locale_dir/locale.h>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS collate : public locale::facet {
+public:
+ typedef _CharT char_type;
+ typedef basic_string<char_type> string_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit collate(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI int
+ compare(const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const {
+ return do_compare(__lo1, __hi1, __lo2, __hi2);
+ }
+
+ // FIXME(EricWF): The _LIBCPP_ALWAYS_INLINE is needed on Windows to work
+ // around a dllimport bug that expects an external instantiation.
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_ALWAYS_INLINE string_type
+ transform(const char_type* __lo, const char_type* __hi) const {
+ return do_transform(__lo, __hi);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI long hash(const char_type* __lo, const char_type* __hi) const { return do_hash(__lo, __hi); }
+
+ static locale::id id;
+
+protected:
+ ~collate() override;
+ virtual int
+ do_compare(const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const;
+ virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const {
+ return string_type(__lo, __hi);
+ }
+ virtual long do_hash(const char_type* __lo, const char_type* __hi) const;
+};
+
+template <class _CharT>
+locale::id collate<_CharT>::id;
+
+template <class _CharT>
+collate<_CharT>::~collate() {}
+
+template <class _CharT>
+int collate<_CharT>::do_compare(
+ const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const {
+ for (; __lo2 != __hi2; ++__lo1, ++__lo2) {
+ if (__lo1 == __hi1 || *__lo1 < *__lo2)
+ return -1;
+ if (*__lo2 < *__lo1)
+ return 1;
+ }
+ return __lo1 != __hi1;
+}
+
+template <class _CharT>
+long collate<_CharT>::do_hash(const char_type* __lo, const char_type* __hi) const {
+ size_t __h = 0;
+ const size_t __sr = __CHAR_BIT__ * sizeof(size_t) - 8;
+ const size_t __mask = size_t(0xF) << (__sr + 4);
+ for (const char_type* __p = __lo; __p != __hi; ++__p) {
+ __h = (__h << 4) + static_cast<size_t>(*__p);
+ size_t __g = __h & __mask;
+ __h ^= __g | (__g >> __sr);
+ }
+ return static_cast<long>(__h);
+}
+
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<char>;
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<wchar_t>;
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_COLLATE_H
diff --git a/libcxx/include/__locale_dir/collate_byname.h b/libcxx/include/__locale_dir/collate_byname.h
new file mode 100644
index 00000000000000..81d21a330fdef8
--- /dev/null
+++ b/libcxx/include/__locale_dir/collate_byname.h
@@ -0,0 +1,67 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_COLLATE_BYNAME_H
+#define _LIBCPP___LOCALE_COLLATE_BYNAME_H
+
+#include <__config>
+#include <__locale_dir/collate.h>
+#include <__locale_dir/locale_base_api.h>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS collate_byname;
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI collate_byname<char> : public collate<char> {
+ locale_t __l_;
+
+public:
+ typedef char char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit collate_byname(const char* __n, size_t __refs = 0);
+ explicit collate_byname(const string& __n, size_t __refs = 0);
+
+protected:
+ ~collate_byname() override;
+ int do_compare(
+ const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const override;
+ string_type do_transform(const char_type* __lo, const char_type* __hi) const override;
+};
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI collate_byname<wchar_t> : public collate<wchar_t> {
+ locale_t __l_;
+
+public:
+ typedef wchar_t char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit collate_byname(const char* __n, size_t __refs = 0);
+ explicit collate_byname(const string& __n, size_t __refs = 0);
+
+protected:
+ ~collate_byname() override;
+
+ int do_compare(
+ const char_type* __lo1, const char_type* __hi1, const char_type* __lo2, const char_type* __hi2) const override;
+ string_type do_transform(const char_type* __lo, const char_type* __hi) const override;
+};
+#endif
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_COLLATE_BYNAME_H
diff --git a/libcxx/include/__locale_dir/ctype.h b/libcxx/include/__locale_dir/ctype.h
new file mode 100644
index 00000000000000..60de4c2877fed9
--- /dev/null
+++ b/libcxx/include/__locale_dir/ctype.h
@@ -0,0 +1,189 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CTYPE_H
+#define _LIBCPP___LOCALE_CTYPE_H
+
+#include <__config>
+#include <__locale_dir/ctype_base.h>
+#include <__locale_dir/locale.h>
+#include <__locale_dir/locale_base_api.h>
+#include <cstddef>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS ctype;
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI ctype<wchar_t> : public locale::facet, public ctype_base {
+public:
+ typedef wchar_t char_type;
+
+ _LIBCPP_HIDE_FROM_ABI explicit ctype(size_t __refs = 0) : locale::facet(__refs) {}
+
+ _LIBCPP_HIDE_FROM_ABI bool is(mask __m, char_type __c) const { return do_is(__m, __c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const {
+ return do_is(__low, __high, __vec);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const {
+ return do_scan_is(__m, __low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const {
+ return do_scan_not(__m, __low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type toupper(char_type __c) const { return do_toupper(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* toupper(char_type* __low, const char_type* __high) const {
+ return do_toupper(__low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type tolower(char_type __c) const { return do_tolower(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* tolower(char_type* __low, const char_type* __high) const {
+ return do_tolower(__low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type widen(char __c) const { return do_widen(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char* widen(const char* __low, const char* __high, char_type* __to) const {
+ return do_widen(__low, __high, __to);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char narrow(char_type __c, char __dfault) const { return do_narrow(__c, __dfault); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type*
+ narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const {
+ return do_narrow(__low, __high, __dfault, __to);
+ }
+
+ static locale::id id;
+
+protected:
+ ~ctype() override;
+ virtual bool do_is(mask __m, char_type __c) const;
+ virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
+ virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
+ virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
+ virtual char_type do_toupper(char_type) const;
+ virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
+ virtual char_type do_tolower(char_type) const;
+ virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
+ virtual char_type do_widen(char) const;
+ virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
+ virtual char do_narrow(char_type, char __dfault) const;
+ virtual const char_type*
+ do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
+};
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI ctype<char> : public locale::facet, public ctype_base {
+ const mask* __tab_;
+ bool __del_;
+
+public:
+ typedef char char_type;
+
+ explicit ctype(const mask* __tab = nullptr, bool __del = false, size_t __refs = 0);
+
+ _LIBCPP_HIDE_FROM_ABI bool is(mask __m, char_type __c) const {
+ return isascii(__c) ? (__tab_[static_cast<int>(__c)] & __m) != 0 : false;
+ }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const {
+ for (; __low != __high; ++__low, ++__vec)
+ *__vec = isascii(*__low) ? __tab_[static_cast<int>(*__low)] : 0;
+ return __low;
+ }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const {
+ for (; __low != __high; ++__low)
+ if (isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m))
+ break;
+ return __low;
+ }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const {
+ for (; __low != __high; ++__low)
+ if (!isascii(*__low) || !(__tab_[static_cast<int>(*__low)] & __m))
+ break;
+ return __low;
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type toupper(char_type __c) const { return do_toupper(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* toupper(char_type* __low, const char_type* __high) const {
+ return do_toupper(__low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type tolower(char_type __c) const { return do_tolower(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char_type* tolower(char_type* __low, const char_type* __high) const {
+ return do_tolower(__low, __high);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char_type widen(char __c) const { return do_widen(__c); }
+
+ _LIBCPP_HIDE_FROM_ABI const char* widen(const char* __low, const char* __high, char_type* __to) const {
+ return do_widen(__low, __high, __to);
+ }
+
+ _LIBCPP_HIDE_FROM_ABI char narrow(char_type __c, char __dfault) const { return do_narrow(__c, __dfault); }
+
+ _LIBCPP_HIDE_FROM_ABI const char*
+ narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const {
+ return do_narrow(__low, __high, __dfault, __to);
+ }
+
+ static locale::id id;
+
+#ifdef _CACHED_RUNES
+ static const size_t table_size = _CACHED_RUNES;
+#else
+ static const size_t table_size = 256; // FIXME: Don't hardcode this.
+#endif
+ _LIBCPP_HIDE_FROM_ABI const mask* table() const _NOEXCEPT { return __tab_; }
+ static const mask* classic_table() _NOEXCEPT;
+#if defined(__GLIBC__) || defined(__EMSCRIPTEN__)
+ static const int* __classic_upper_table() _NOEXCEPT;
+ static const int* __classic_lower_table() _NOEXCEPT;
+#endif
+#if defined(__NetBSD__)
+ static const short* __classic_upper_table() _NOEXCEPT;
+ static const short* __classic_lower_table() _NOEXCEPT;
+#endif
+#if defined(__MVS__)
+ static const unsigned short* __classic_upper_table() _NOEXCEPT;
+ static const unsigned short* __classic_lower_table() _NOEXCEPT;
+#endif
+
+protected:
+ ~ctype() override;
+ virtual char_type do_toupper(char_type __c) const;
+ virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
+ virtual char_type do_tolower(char_type __c) const;
+ virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
+ virtual char_type do_widen(char __c) const;
+ virtual const char* do_widen(const char* __low, const char* __high, char_type* __to) const;
+ virtual char do_narrow(char_type __c, char __dfault) const;
+ virtual const char* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const;
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CTYPE_H
diff --git a/libcxx/include/__locale_dir/ctype_base.h b/libcxx/include/__locale_dir/ctype_base.h
new file mode 100644
index 00000000000000..3b49212bd58d8b
--- /dev/null
+++ b/libcxx/include/__locale_dir/ctype_base.h
@@ -0,0 +1,177 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CTYPE_BASE_H
+#define _LIBCPP___LOCALE_CTYPE_BASE_H
+
+#include <__config>
+#include <__type_traits/make_unsigned.h>
+#include <cctype>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+class _LIBCPP_EXPORTED_FROM_ABI ctype_base {
+public:
+#if defined(_LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE)
+ typedef unsigned long mask;
+ static const mask space = 1 << 0;
+ static const mask print = 1 << 1;
+ static const mask cntrl = 1 << 2;
+ static const mask upper = 1 << 3;
+ static const mask lower = 1 << 4;
+ static const mask alpha = 1 << 5;
+ static const mask digit = 1 << 6;
+ static const mask punct = 1 << 7;
+ static const mask xdigit = 1 << 8;
+ static const mask blank = 1 << 9;
+# if defined(__BIONIC__)
+ // Historically this was a part of regex_traits rather than ctype_base. The
+ // historical value of the constant is preserved for ABI compatibility.
+ static const mask __regex_word = 0x8000;
+# else
+ static const mask __regex_word = 1 << 10;
+# endif // defined(__BIONIC__)
+#elif defined(__GLIBC__)
+ typedef unsigned short mask;
+ static const mask space = _ISspace;
+ static const mask print = _ISprint;
+ static const mask cntrl = _IScntrl;
+ static const mask upper = _ISupper;
+ static const mask lower = _ISlower;
+ static const mask alpha = _ISalpha;
+ static const mask digit = _ISdigit;
+ static const mask punct = _ISpunct;
+ static const mask xdigit = _ISxdigit;
+ static const mask blank = _ISblank;
+# if defined(__mips__) || defined(_LIBCPP_BIG_ENDIAN)
+ static const mask __regex_word = static_cast<mask>(_ISbit(15));
+# else
+ static const mask __regex_word = 0x80;
+# endif
+#elif defined(_LIBCPP_MSVCRT_LIKE)
+ typedef unsigned short mask;
+ static const mask space = _SPACE;
+ static const mask print = _BLANK | _PUNCT | _ALPHA | _DIGIT;
+ static const mask cntrl = _CONTROL;
+ static const mask upper = _UPPER;
+ static const mask lower = _LOWER;
+ static const mask alpha = _ALPHA;
+ static const mask digit = _DIGIT;
+ static const mask punct = _PUNCT;
+ static const mask xdigit = _HEX;
+ static const mask blank = _BLANK;
+ static const mask __regex_word = 0x4000; // 0x8000 and 0x0100 and 0x00ff are used
+# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
+# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
+#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
+# ifdef __APPLE__
+ typedef __uint32_t mask;
+# elif defined(__FreeBSD__)
+ typedef unsigned long mask;
+# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__)
+ typedef unsigned short mask;
+# endif
+ static const mask space = _CTYPE_S;
+ static const mask print = _CTYPE_R;
+ static const mask cntrl = _CTYPE_C;
+ static const mask upper = _CTYPE_U;
+ static const mask lower = _CTYPE_L;
+ static const mask alpha = _CTYPE_A;
+ static const mask digit = _CTYPE_D;
+ static const mask punct = _CTYPE_P;
+ static const mask xdigit = _CTYPE_X;
+
+# if defined(__NetBSD__)
+ static const mask blank = _CTYPE_BL;
+ // NetBSD defines classes up to 0x2000
+ // see sys/ctype_bits.h, _CTYPE_Q
+ static const mask __regex_word = 0x8000;
+# else
+ static const mask blank = _CTYPE_B;
+ static const mask __regex_word = 0x80;
+# endif
+#elif defined(_AIX)
+ typedef unsigned int mask;
+ static const mask space = _ISSPACE;
+ static const mask print = _ISPRINT;
+ static const mask cntrl = _ISCNTRL;
+ static const mask upper = _ISUPPER;
+ static const mask lower = _ISLOWER;
+ static const mask alpha = _ISALPHA;
+ static const mask digit = _ISDIGIT;
+ static const mask punct = _ISPUNCT;
+ static const mask xdigit = _ISXDIGIT;
+ static const mask blank = _ISBLANK;
+ static const mask __regex_word = 0x8000;
+#elif defined(_NEWLIB_VERSION)
+ // Same type as Newlib's _ctype_ array in newlib/libc/include/ctype.h.
+ typedef char mask;
+ // In case char is signed, static_cast is needed to avoid warning on
+ // positive value becomming negative.
+ static const mask space = static_cast<mask>(_S);
+ static const mask print = static_cast<mask>(_P | _U | _L | _N | _B);
+ static const mask cntrl = static_cast<mask>(_C);
+ static const mask upper = static_cast<mask>(_U);
+ static const mask lower = static_cast<mask>(_L);
+ static const mask alpha = static_cast<mask>(_U | _L);
+ static const mask digit = static_cast<mask>(_N);
+ static const mask punct = static_cast<mask>(_P);
+ static const mask xdigit = static_cast<mask>(_X | _N);
+ static const mask blank = static_cast<mask>(_B);
+ // mask is already fully saturated, use a different type in regex_type_traits.
+ static const unsigned short __regex_word = 0x100;
+# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
+# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
+# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
+#elif defined(__MVS__)
+# if defined(__NATIVE_ASCII_F)
+ typedef unsigned int mask;
+ static const mask space = _ISSPACE_A;
+ static const mask print = _ISPRINT_A;
+ static const mask cntrl = _ISCNTRL_A;
+ static const mask upper = _ISUPPER_A;
+ static const mask lower = _ISLOWER_A;
+ static const mask alpha = _ISALPHA_A;
+ static const mask digit = _ISDIGIT_A;
+ static const mask punct = _ISPUNCT_A;
+ static const mask xdigit = _ISXDIGIT_A;
+ static const mask blank = _ISBLANK_A;
+# else
+ typedef unsigned short mask;
+ static const mask space = __ISSPACE;
+ static const mask print = __ISPRINT;
+ static const mask cntrl = __ISCNTRL;
+ static const mask upper = __ISUPPER;
+ static const mask lower = __ISLOWER;
+ static const mask alpha = __ISALPHA;
+ static const mask digit = __ISDIGIT;
+ static const mask punct = __ISPUNCT;
+ static const mask xdigit = __ISXDIGIT;
+ static const mask blank = __ISBLANK;
+# endif
+ static const mask __regex_word = 0x8000;
+#else
+# error unknown rune table for this platform -- do you mean to define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE?
+#endif
+ static const mask alnum = alpha | digit;
+ static const mask graph = alnum | punct;
+
+ _LIBCPP_HIDE_FROM_ABI ctype_base() {}
+
+ static_assert((__regex_word & ~(std::make_unsigned<mask>::type)(space | print | cntrl | upper | lower | alpha |
+ digit | punct | xdigit | blank)) == __regex_word,
+ "__regex_word can't overlap other bits");
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CTYPE_BASE_H
diff --git a/libcxx/include/__locale_dir/ctype_byname.h b/libcxx/include/__locale_dir/ctype_byname.h
new file mode 100644
index 00000000000000..0c7d2a09f5b936
--- /dev/null
+++ b/libcxx/include/__locale_dir/ctype_byname.h
@@ -0,0 +1,73 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CTYPE_BYNAME_H
+#define _LIBCPP___LOCALE_CTYPE_BYNAME_H
+
+#include <__config>
+#include <__locale_dir/ctype.h>
+#include <__locale_dir/ctype_base.h>
+#include <__locale_dir/locale_base_api.h>
+#include <cstddef>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS ctype_byname;
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI ctype_byname<char> : public ctype<char> {
+ locale_t __l_;
+
+public:
+ explicit ctype_byname(const char*, size_t = 0);
+ explicit ctype_byname(const string&, size_t = 0);
+
+protected:
+ ~ctype_byname() override;
+ char_type do_toupper(char_type) const override;
+ const char_type* do_toupper(char_type* __low, const char_type* __high) const override;
+ char_type do_tolower(char_type) const override;
+ const char_type* do_tolower(char_type* __low, const char_type* __high) const override;
+};
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI ctype_byname<wchar_t> : public ctype<wchar_t> {
+ locale_t __l_;
+
+public:
+ explicit ctype_byname(const char*, size_t = 0);
+ explicit ctype_byname(const string&, size_t = 0);
+
+protected:
+ ~ctype_byname() override;
+ bool do_is(mask __m, char_type __c) const override;
+ const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const override;
+ const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const override;
+ const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const override;
+ char_type do_toupper(char_type) const override;
+ const char_type* do_toupper(char_type* __low, const char_type* __high) const override;
+ char_type do_tolower(char_type) const override;
+ const char_type* do_tolower(char_type* __low, const char_type* __high) const override;
+ char_type do_widen(char) const override;
+ const char* do_widen(const char* __low, const char* __high, char_type* __dest) const override;
+ char do_narrow(char_type, char __dfault) const override;
+ const char_type*
+ do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const override;
+};
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CTYPE_BYNAME_H
diff --git a/libcxx/include/__locale_dir/locale.h b/libcxx/include/__locale_dir/locale.h
new file mode 100644
index 00000000000000..e26f6f49b673c8
--- /dev/null
+++ b/libcxx/include/__locale_dir/locale.h
@@ -0,0 +1,163 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_LOCALE_H
+#define _LIBCPP___LOCALE_LOCALE_H
+
+#include <__config>
+#include <__memory/shared_ptr.h>
+#include <__mutex/once_flag.h>
+#include <clocale>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+class _LIBCPP_EXPORTED_FROM_ABI locale;
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS collate;
+
+template <class _Facet>
+_LIBCPP_HIDE_FROM_ABI bool has_facet(const locale&) _NOEXCEPT;
+
+template <class _Facet>
+_LIBCPP_HIDE_FROM_ABI const _Facet& use_facet(const locale&);
+
+class _LIBCPP_EXPORTED_FROM_ABI locale {
+public:
+ // types:
+ class _LIBCPP_EXPORTED_FROM_ABI facet;
+ class _LIBCPP_EXPORTED_FROM_ABI id;
+
+ typedef int category;
+
+ static const category // values assigned here are for exposition only
+ none = 0,
+ collate = LC_COLLATE_MASK, ctype = LC_CTYPE_MASK, monetary = LC_MONETARY_MASK, numeric = LC_NUMERIC_MASK,
+ time = LC_TIME_MASK, messages = LC_MESSAGES_MASK, all = collate | ctype | monetary | numeric | time | messages;
+
+ // construct/copy/destroy:
+ locale() _NOEXCEPT;
+ locale(const locale&) _NOEXCEPT;
+ explicit locale(const char*);
+ explicit locale(const string&);
+ locale(const locale&, const char*, category);
+ locale(const locale&, const string&, category);
+ template <class _Facet>
+ _LIBCPP_HIDE_FROM_ABI locale(const locale&, _Facet*);
+ locale(const locale&, const locale&, category);
+
+ ~locale();
+
+ const locale& operator=(const locale&) _NOEXCEPT;
+
+ template <class _Facet>
+ _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS locale combine(const locale&) const;
+
+ // locale operations:
+ string name() const;
+ bool operator==(const locale&) const;
+#if _LIBCPP_STD_VER <= 17
+ _LIBCPP_HIDE_FROM_ABI bool operator!=(const locale& __y) const { return !(*this == __y); }
+#endif
+ template <class _CharT, class _Traits, class _Allocator>
+ _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS bool
+ operator()(const basic_string<_CharT, _Traits, _Allocator>&, const basic_string<_CharT, _Traits, _Allocator>&) const;
+
+ // global locale objects:
+ static locale global(const locale&);
+ static const locale& classic();
+
+private:
+ class __imp;
+ __imp* __locale_;
+
+ template <class>
+ friend struct __no_destroy;
+ struct __private_tag {};
+ _LIBCPP_HIDE_FROM_ABI explicit locale(__private_tag, __imp* __loc) : __locale_(__loc) {}
+
+ void __install_ctor(const locale&, facet*, long);
+ static locale& __global();
+ bool has_facet(id&) const;
+ const facet* use_facet(id&) const;
+
+ template <class _Facet>
+ friend bool has_facet(const locale&) _NOEXCEPT;
+ template <class _Facet>
+ friend const _Facet& use_facet(const locale&);
+};
+
+class _LIBCPP_EXPORTED_FROM_ABI locale::facet : public __shared_count {
+protected:
+ _LIBCPP_HIDE_FROM_ABI explicit facet(size_t __refs = 0) : __shared_count(static_cast<long>(__refs) - 1) {}
+
+ ~facet() override;
+
+ // facet(const facet&) = delete; // effectively done in __shared_count
+ // void operator=(const facet&) = delete;
+
+private:
+ void __on_zero_shared() _NOEXCEPT override;
+};
+
+class _LIBCPP_EXPORTED_FROM_ABI locale::id {
+ once_flag __flag_;
+ int32_t __id_;
+
+ static int32_t __next_id;
+
+public:
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR id() : __id_(0) {}
+ void operator=(const id&) = delete;
+ id(const id&) = delete;
+
+public: // only needed for tests
+ long __get();
+
+ friend class locale;
+ friend class locale::__imp;
+};
+
+template <class _Facet>
+inline _LIBCPP_HIDE_FROM_ABI locale::locale(const locale& __other, _Facet* __f) {
+ __install_ctor(__other, __f, __f ? __f->id.__get() : 0);
+}
+
+template <class _Facet>
+locale locale::combine(const locale& __other) const {
+ if (!std::has_facet<_Facet>(__other))
+ __throw_runtime_error("locale::combine: locale missing facet");
+
+ return locale(*this, &const_cast<_Facet&>(std::use_facet<_Facet>(__other)));
+}
+
+template <class _Facet>
+inline _LIBCPP_HIDE_FROM_ABI bool has_facet(const locale& __l) _NOEXCEPT {
+ return __l.has_facet(_Facet::id);
+}
+
+template <class _Facet>
+inline _LIBCPP_HIDE_FROM_ABI const _Facet& use_facet(const locale& __l) {
+ return static_cast<const _Facet&>(*__l.use_facet(_Facet::id));
+}
+
+template <class _CharT, class _Traits, class _Allocator>
+bool locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
+ const basic_string<_CharT, _Traits, _Allocator>& __y) const {
+ return std::use_facet<std::collate<_CharT> >(*this).compare(
+ __x.data(), __x.data() + __x.size(), __y.data(), __y.data() + __y.size()) < 0;
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_LOCALE_H
diff --git a/libcxx/include/__locale_dir/locale_base_api.h b/libcxx/include/__locale_dir/locale_base_api.h
index 2355b4a840d734..5b7fb20ede42d8 100644
--- a/libcxx/include/__locale_dir/locale_base_api.h
+++ b/libcxx/include/__locale_dir/locale_base_api.h
@@ -9,6 +9,8 @@
#ifndef _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_H
#define _LIBCPP___LOCALE_DIR_LOCALE_BASE_API_H
+#include <__config>
+
#if defined(_LIBCPP_MSVCRT_LIKE)
# include <__locale_dir/locale_base_api/win32.h>
#elif defined(_AIX) || defined(__MVS__)
@@ -26,7 +28,11 @@
#elif defined(__wasi__) || defined(_LIBCPP_HAS_MUSL_LIBC)
# include <__locale_dir/locale_base_api/musl.h>
#elif defined(__APPLE__) || defined(__FreeBSD__)
+# include <__locale_dir/locale_base_api/bsd_locale_defaults.h>
# include <xlocale.h>
+#elif defined(__GLIBC__)
+# include <ctype.h>
+# include <locale.h>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/__locale_dir/locale_base_api/bsd_locale_fallbacks.h b/libcxx/include/__locale_dir/locale_base_api/bsd_locale_fallbacks.h
index 76b94287cd6cc8..2b8933e6943011 100644
--- a/libcxx/include/__locale_dir/locale_base_api/bsd_locale_fallbacks.h
+++ b/libcxx/include/__locale_dir/locale_base_api/bsd_locale_fallbacks.h
@@ -13,6 +13,7 @@
#ifndef _LIBCPP___LOCALE_LOCALE_BASE_API_BSD_LOCALE_FALLBACKS_H
#define _LIBCPP___LOCALE_LOCALE_BASE_API_BSD_LOCALE_FALLBACKS_H
+#include <__locale_dir/locale_base_api.h>
#include <__locale_dir/locale_base_api/locale_guard.h>
#include <cstdio>
#include <stdarg.h>
diff --git a/libcxx/include/__locale_dir/locale_base_api/locale_guard.h b/libcxx/include/__locale_dir/locale_base_api/locale_guard.h
index b7e3be756e711e..1450e3b6a7897f 100644
--- a/libcxx/include/__locale_dir/locale_base_api/locale_guard.h
+++ b/libcxx/include/__locale_dir/locale_base_api/locale_guard.h
@@ -10,8 +10,7 @@
#define _LIBCPP___LOCALE_LOCALE_BASE_API_LOCALE_GUARD_H
#include <__config>
-#include <__locale> // for locale_t
-#include <clocale>
+#include <__locale_dir/locale_base_api.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
diff --git a/libcxx/include/__locale_dir/locale_base_api/win32.h b/libcxx/include/__locale_dir/locale_base_api/win32.h
index 5dfacfb9c1ee9d..eccb43c082c09f 100644
--- a/libcxx/include/__locale_dir/locale_base_api/win32.h
+++ b/libcxx/include/__locale_dir/locale_base_api/win32.h
@@ -11,6 +11,7 @@
#define _LIBCPP___LOCALE_LOCALE_BASE_API_WIN32_H
#include <__config>
+#include <__locale_dir/locale_base_api/bsd_locale_defaults.h>
#include <cstddef>
#include <locale.h> // _locale_t
#include <stdio.h>
diff --git a/libcxx/include/__locale_dir/narrow_to_utf8.h b/libcxx/include/__locale_dir/narrow_to_utf8.h
new file mode 100644
index 00000000000000..b1d935b7c90dd1
--- /dev/null
+++ b/libcxx/include/__locale_dir/narrow_to_utf8.h
@@ -0,0 +1,99 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_NARROW_TO_UTF8_H
+#define _LIBCPP___LOCALE_NARROW_TO_UTF8_H
+
+#include <__config>
+#include <__locale_dir/codecvt.h>
+#include <__locale_dir/codecvt_base.h>
+#include <__std_mbstate_t.h>
+#include <cstddef>
+#include <stdexcept>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <size_t _Np>
+struct __narrow_to_utf8 {
+ template <class _OutputIterator, class _CharT>
+ _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const;
+};
+
+template <>
+struct __narrow_to_utf8<8> {
+ template <class _OutputIterator, class _CharT>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
+ for (; __wb < __we; ++__wb, ++__s)
+ *__s = *__wb;
+ return __s;
+ }
+};
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <>
+struct _LIBCPP_EXPORTED_FROM_ABI __narrow_to_utf8<16> : public codecvt<char16_t, char, mbstate_t> {
+ _LIBCPP_HIDE_FROM_ABI __narrow_to_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
+ _LIBCPP_SUPPRESS_DEPRECATED_POP
+
+ ~__narrow_to_utf8() override;
+
+ template <class _OutputIterator, class _CharT>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
+ result __r = ok;
+ mbstate_t __mb;
+ while (__wb < __we && __r != error) {
+ const int __sz = 32;
+ char __buf[__sz];
+ char* __bn;
+ const char16_t* __wn = (const char16_t*)__wb;
+ __r = do_out(__mb, (const char16_t*)__wb, (const char16_t*)__we, __wn, __buf, __buf + __sz, __bn);
+ if (__r == codecvt_base::error || __wn == (const char16_t*)__wb)
+ __throw_runtime_error("locale not supported");
+ for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
+ *__s = *__p;
+ __wb = (const _CharT*)__wn;
+ }
+ return __s;
+ }
+};
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <>
+struct _LIBCPP_EXPORTED_FROM_ABI __narrow_to_utf8<32> : public codecvt<char32_t, char, mbstate_t> {
+ _LIBCPP_HIDE_FROM_ABI __narrow_to_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
+ _LIBCPP_SUPPRESS_DEPRECATED_POP
+
+ ~__narrow_to_utf8() override;
+
+ template <class _OutputIterator, class _CharT>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const _CharT* __wb, const _CharT* __we) const {
+ result __r = ok;
+ mbstate_t __mb;
+ while (__wb < __we && __r != error) {
+ const int __sz = 32;
+ char __buf[__sz];
+ char* __bn;
+ const char32_t* __wn = (const char32_t*)__wb;
+ __r = do_out(__mb, (const char32_t*)__wb, (const char32_t*)__we, __wn, __buf, __buf + __sz, __bn);
+ if (__r == codecvt_base::error || __wn == (const char32_t*)__wb)
+ __throw_runtime_error("locale not supported");
+ for (const char* __p = __buf; __p < __bn; ++__p, ++__s)
+ *__s = *__p;
+ __wb = (const _CharT*)__wn;
+ }
+ return __s;
+ }
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_NARROW_TO_UTF8_H
diff --git a/libcxx/include/__locale_dir/numpunct.h b/libcxx/include/__locale_dir/numpunct.h
new file mode 100644
index 00000000000000..ca10c9f6eb4476
--- /dev/null
+++ b/libcxx/include/__locale_dir/numpunct.h
@@ -0,0 +1,87 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_NUMPUNCT_H
+#define _LIBCPP___LOCALE_NUMPUNCT_H
+
+#include <__config>
+#include <__locale_dir/locale.h>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS numpunct;
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI numpunct<char> : public locale::facet {
+public:
+ typedef char char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit numpunct(size_t __refs = 0);
+
+ _LIBCPP_HIDE_FROM_ABI char_type decimal_point() const { return do_decimal_point(); }
+ _LIBCPP_HIDE_FROM_ABI char_type thousands_sep() const { return do_thousands_sep(); }
+ _LIBCPP_HIDE_FROM_ABI string grouping() const { return do_grouping(); }
+ _LIBCPP_HIDE_FROM_ABI string_type truename() const { return do_truename(); }
+ _LIBCPP_HIDE_FROM_ABI string_type falsename() const { return do_falsename(); }
+
+ static locale::id id;
+
+protected:
+ ~numpunct() override;
+ virtual char_type do_decimal_point() const;
+ virtual char_type do_thousands_sep() const;
+ virtual string do_grouping() const;
+ virtual string_type do_truename() const;
+ virtual string_type do_falsename() const;
+
+ char_type __decimal_point_;
+ char_type __thousands_sep_;
+ string __grouping_;
+};
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI numpunct<wchar_t> : public locale::facet {
+public:
+ typedef wchar_t char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit numpunct(size_t __refs = 0);
+
+ _LIBCPP_HIDE_FROM_ABI char_type decimal_point() const { return do_decimal_point(); }
+ _LIBCPP_HIDE_FROM_ABI char_type thousands_sep() const { return do_thousands_sep(); }
+ _LIBCPP_HIDE_FROM_ABI string grouping() const { return do_grouping(); }
+ _LIBCPP_HIDE_FROM_ABI string_type truename() const { return do_truename(); }
+ _LIBCPP_HIDE_FROM_ABI string_type falsename() const { return do_falsename(); }
+
+ static locale::id id;
+
+protected:
+ ~numpunct() override;
+ virtual char_type do_decimal_point() const;
+ virtual char_type do_thousands_sep() const;
+ virtual string do_grouping() const;
+ virtual string_type do_truename() const;
+ virtual string_type do_falsename() const;
+
+ char_type __decimal_point_;
+ char_type __thousands_sep_;
+ string __grouping_;
+};
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_NUMPUNCT_H
diff --git a/libcxx/include/__locale_dir/numpunct_byname.h b/libcxx/include/__locale_dir/numpunct_byname.h
new file mode 100644
index 00000000000000..eac7e7df38d48f
--- /dev/null
+++ b/libcxx/include/__locale_dir/numpunct_byname.h
@@ -0,0 +1,62 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_NUMPUNCT_BYNAME_H
+#define _LIBCPP___LOCALE_NUMPUNCT_BYNAME_H
+
+#include <__config>
+#include <__locale_dir/locale.h>
+#include <__locale_dir/numpunct.h>
+#include <string>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+class _LIBCPP_TEMPLATE_VIS numpunct_byname;
+
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI numpunct_byname<char> : public numpunct<char> {
+public:
+ typedef char char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit numpunct_byname(const char* __nm, size_t __refs = 0);
+ explicit numpunct_byname(const string& __nm, size_t __refs = 0);
+
+protected:
+ ~numpunct_byname() override;
+
+private:
+ void __init(const char*);
+};
+
+#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+template <>
+class _LIBCPP_EXPORTED_FROM_ABI numpunct_byname<wchar_t> : public numpunct<wchar_t> {
+public:
+ typedef wchar_t char_type;
+ typedef basic_string<char_type> string_type;
+
+ explicit numpunct_byname(const char* __nm, size_t __refs = 0);
+ explicit numpunct_byname(const string& __nm, size_t __refs = 0);
+
+protected:
+ ~numpunct_byname() override;
+
+private:
+ void __init(const char*);
+};
+#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_NUMPUNCT_BYNAME_H
diff --git a/libcxx/include/__locale_dir/traits.h b/libcxx/include/__locale_dir/traits.h
new file mode 100644
index 00000000000000..fce1475f478237
--- /dev/null
+++ b/libcxx/include/__locale_dir/traits.h
@@ -0,0 +1,95 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_CTYPE_BYNAME_H
+#define _LIBCPP___LOCALE_CTYPE_BYNAME_H
+
+#include <__config>
+#include <__locale_dir/ctype.h>
+#include <__locale_dir/ctype_base.h>
+#include <__locale_dir/locale.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isspace(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isprint(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool iscntrl(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isupper(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool islower(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isalpha(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isdigit(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool ispunct(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isxdigit(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isalnum(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI bool isgraph(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c);
+}
+
+template <class _CharT>
+_LIBCPP_HIDE_FROM_ABI bool isblank(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).is(ctype_base::blank, __c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI _CharT toupper(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).toupper(__c);
+}
+
+template <class _CharT>
+inline _LIBCPP_HIDE_FROM_ABI _CharT tolower(_CharT __c, const locale& __loc) {
+ return std::use_facet<ctype<_CharT> >(__loc).tolower(__c);
+}
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_CTYPE_BYNAME_H
diff --git a/libcxx/include/__locale_dir/widen_from_utf8.h b/libcxx/include/__locale_dir/widen_from_utf8.h
new file mode 100644
index 00000000000000..9f072f652181b7
--- /dev/null
+++ b/libcxx/include/__locale_dir/widen_from_utf8.h
@@ -0,0 +1,99 @@
+//===-----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___LOCALE_WIDEN_FROM_UTF8_H
+#define _LIBCPP___LOCALE_WIDEN_FROM_UTF8_H
+
+#include <__config>
+#include <__locale_dir/codecvt.h>
+#include <__locale_dir/codecvt_base.h>
+#include <__std_mbstate_t.h>
+#include <cstddef>
+#include <stdexcept>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+# pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <size_t _Np>
+struct __widen_from_utf8 {
+ template <class _OutputIterator>
+ _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const;
+};
+
+template <>
+struct __widen_from_utf8<8> {
+ template <class _OutputIterator>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
+ for (; __nb < __ne; ++__nb, ++__s)
+ *__s = *__nb;
+ return __s;
+ }
+};
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <>
+struct _LIBCPP_EXPORTED_FROM_ABI __widen_from_utf8<16> : public codecvt<char16_t, char, mbstate_t> {
+ _LIBCPP_HIDE_FROM_ABI __widen_from_utf8() : codecvt<char16_t, char, mbstate_t>(1) {}
+ _LIBCPP_SUPPRESS_DEPRECATED_POP
+
+ ~__widen_from_utf8() override;
+
+ template <class _OutputIterator>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
+ result __r = ok;
+ mbstate_t __mb;
+ while (__nb < __ne && __r != error) {
+ const int __sz = 32;
+ char16_t __buf[__sz];
+ char16_t* __bn;
+ const char* __nn = __nb;
+ __r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb + __sz : __ne, __nn, __buf, __buf + __sz, __bn);
+ if (__r == codecvt_base::error || __nn == __nb)
+ __throw_runtime_error("locale not supported");
+ for (const char16_t* __p = __buf; __p < __bn; ++__p, ++__s)
+ *__s = *__p;
+ __nb = __nn;
+ }
+ return __s;
+ }
+};
+
+_LIBCPP_SUPPRESS_DEPRECATED_PUSH
+template <>
+struct _LIBCPP_EXPORTED_FROM_ABI __widen_from_utf8<32> : public codecvt<char32_t, char, mbstate_t> {
+ _LIBCPP_HIDE_FROM_ABI __widen_from_utf8() : codecvt<char32_t, char, mbstate_t>(1) {}
+ _LIBCPP_SUPPRESS_DEPRECATED_POP
+
+ ~__widen_from_utf8() override;
+
+ template <class _OutputIterator>
+ _LIBCPP_HIDE_FROM_ABI _OutputIterator operator()(_OutputIterator __s, const char* __nb, const char* __ne) const {
+ result __r = ok;
+ mbstate_t __mb;
+ while (__nb < __ne && __r != error) {
+ const int __sz = 32;
+ char32_t __buf[__sz];
+ char32_t* __bn;
+ const char* __nn = __nb;
+ __r = do_in(__mb, __nb, __ne - __nb > __sz ? __nb + __sz : __ne, __nn, __buf, __buf + __sz, __bn);
+ if (__r == codecvt_base::error || __nn == __nb)
+ __throw_runtime_error("locale not supported");
+ for (const char32_t* __p = __buf; __p < __bn; ++__p, ++__s)
+ *__s = *__p;
+ __nb = __nn;
+ }
+ return __s;
+ }
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___LOCALE_WIDEN_FROM_UTF8_H
diff --git a/libcxx/include/__utility/swap.h b/libcxx/include/__utility/swap.h
index ca8280c729df1d..10808a79c1c544 100644
--- a/libcxx/include/__utility/swap.h
+++ b/libcxx/include/__utility/swap.h
@@ -10,6 +10,7 @@
#define _LIBCPP___UTILITY_SWAP_H
#include <__config>
+#include <__type_traits/enable_if.h>
#include <__type_traits/is_move_assignable.h>
#include <__type_traits/is_move_constructible.h>
#include <__type_traits/is_nothrow_move_assignable.h>
diff --git a/libcxx/include/codecvt b/libcxx/include/codecvt
index b7182ff471559d..14aec48dc14e1d 100644
--- a/libcxx/include/codecvt
+++ b/libcxx/include/codecvt
@@ -55,7 +55,10 @@ class codecvt_utf8_utf16
*/
#include <__config>
-#include <__locale>
+#include <__locale_dir/codecvt.h>
+#include <__locale_dir/codecvt_base.h>
+#include <__std_mbstate_t.h>
+#include <cstddef>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/include/fstream b/libcxx/include/fstream
index 776641b347e6c1..3e986c134715f8 100644
--- a/libcxx/include/fstream
+++ b/libcxx/include/fstream
@@ -191,7 +191,6 @@ typedef basic_fstream<wchar_t> wfstream;
#include <__availability>
#include <__config>
#include <__fwd/fstream.h>
-#include <__locale>
#include <__utility/move.h>
#include <__utility/swap.h>
#include <__utility/unreachable.h>
diff --git a/libcxx/include/ios b/libcxx/include/ios
index 4b1306fc2ad830..da0e2dfad32bf4 100644
--- a/libcxx/include/ios
+++ b/libcxx/include/ios
@@ -219,11 +219,14 @@ storage-class-specifier const error_category& iostream_category() noexcept;
#include <__fwd/ios.h>
#include <__ios/fpos.h>
-#include <__locale>
+#include <__locale_dir/ctype.h>
+#include <__locale_dir/locale.h>
+#include <__string/char_traits.h>
#include <__system_error/error_category.h>
#include <__system_error/error_code.h>
#include <__system_error/error_condition.h>
#include <__system_error/system_error.h>
+#include <__type_traits/is_same.h>
#include <__utility/swap.h>
#include <__verbose_abort>
#include <version>
diff --git a/libcxx/include/locale b/libcxx/include/locale
index e3c63e3abe130e..db6a055a89956e 100644
--- a/libcxx/include/locale
+++ b/libcxx/include/locale
@@ -197,11 +197,26 @@ template <class charT> class messages_byname;
#include <__config>
#include <__iterator/access.h>
#include <__iterator/back_insert_iterator.h>
+#include <__iterator/distance.h>
#include <__iterator/istreambuf_iterator.h>
#include <__iterator/ostreambuf_iterator.h>
-#include <__locale>
+#include <__locale_dir/codecvt.h>
+#include <__locale_dir/codecvt_base.h>
+#include <__locale_dir/codecvt_byname.h>
+#include <__locale_dir/collate.h>
+#include <__locale_dir/collate_byname.h>
+#include <__locale_dir/ctype.h>
+#include <__locale_dir/ctype_base.h>
+#include <__locale_dir/ctype_byname.h>
+#include <__locale_dir/locale.h>
+#include <__locale_dir/narrow_to_utf8.h>
+#include <__locale_dir/numpunct.h>
+#include <__locale_dir/numpunct_byname.h>
+#include <__locale_dir/traits.h>
+#include <__locale_dir/widen_from_utf8.h>
#include <__memory/unique_ptr.h>
#include <__type_traits/make_unsigned.h>
+#include <cctype>
#include <cerrno>
#include <cstdio>
#include <cstdlib>
@@ -210,6 +225,7 @@ template <class charT> class messages_byname;
#include <limits>
#include <new>
#include <streambuf>
+#include <string>
#include <version>
// TODO: Fix __bsd_locale_defaults.h
diff --git a/libcxx/include/module.modulemap.in b/libcxx/include/module.modulemap.in
index 219906aa9a5668..7788da032952f6 100644
--- a/libcxx/include/module.modulemap.in
+++ b/libcxx/include/module.modulemap.in
@@ -1477,6 +1477,20 @@ module std_private_locale_locale_base_api [system] {
header "__locale_dir/locale_base_api.h"
export *
}
+module std_private_locale_locale_codecvt [system] { header "__locale_dir/codecvt.h" }
+module std_private_locale_locale_codecvt_base [system] { header "__locale_dir/codecvt_base.h" }
+module std_private_locale_locale_codecvt_byname [system] { header "__locale_dir/codecvt_byname.h" }
+module std_private_locale_locale_collate [system] { header "__locale_dir/collate.h" }
+module std_private_locale_locale_collate_byname [system] { header "__locale_dir/collate_byname.h" }
+module std_private_locale_locale_ctype [system] { header "__locale_dir/ctype.h" }
+module std_private_locale_locale_ctype_base [system] { header "__locale_dir/ctype_base.h" }
+module std_private_locale_locale_ctype_byname [system] { header "__locale_dir/ctype_byname.h" }
+module std_private_locale_locale_locale [system] { header "__locale_dir/locale.h" }
+module std_private_locale_locale_narrow_to_utf8 [system] { header "__locale_dir/narrow_to_utf8.h" }
+module std_private_locale_locale_numpunct [system] { header "__locale_dir/numpunct.h" }
+module std_private_locale_locale_numpunct_byname [system] { header "__locale_dir/numpunct_byname.h" }
+module std_private_locale_locale_traits [system] { header "__locale_dir/traits.h" }
+module std_private_locale_locale_widen_from_utf8 [system] { header "__locale_dir/widen_from_utf8.h" }
module std_private_math_abs [system] { header "__math/abs.h" }
module std_private_math_copysign [system] { header "__math/copysign.h" }
diff --git a/libcxx/include/regex b/libcxx/include/regex
index dc3db93744b489..7aecde40cb60bd 100644
--- a/libcxx/include/regex
+++ b/libcxx/include/regex
@@ -797,7 +797,11 @@ typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator;
#include <__iterator/back_insert_iterator.h>
#include <__iterator/default_sentinel.h>
#include <__iterator/wrap_iter.h>
-#include <__locale>
+#include <__locale_dir/collate.h>
+#include <__locale_dir/collate_byname.h>
+#include <__locale_dir/ctype.h>
+#include <__locale_dir/ctype_base.h>
+#include <__locale_dir/locale.h>
#include <__memory/shared_ptr.h>
#include <__memory_resource/polymorphic_allocator.h>
#include <__type_traits/is_swappable.h>
diff --git a/libcxx/src/ios.cpp b/libcxx/src/ios.cpp
index d58827fa1255cf..79af7b36b34133 100644
--- a/libcxx/src/ios.cpp
+++ b/libcxx/src/ios.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
#include <__config>
-#include <__locale>
+#include <locale>
#include <algorithm>
#include <ios>
#include <limits>
diff --git a/libcxx/src/iostream.cpp b/libcxx/src/iostream.cpp
index c5ad77a0191608..6e79bdf13f8cf7 100644
--- a/libcxx/src/iostream.cpp
+++ b/libcxx/src/iostream.cpp
@@ -7,7 +7,7 @@
//===----------------------------------------------------------------------===//
#include "std_stream.h"
-#include <__locale>
+#include <locale>
#include <new>
#include <string>
diff --git a/libcxx/src/std_stream.h b/libcxx/src/std_stream.h
index e55cd0b6b77af9..c6dcd95916a357 100644
--- a/libcxx/src/std_stream.h
+++ b/libcxx/src/std_stream.h
@@ -11,9 +11,9 @@
#define _LIBCPP_STD_STREAM_H
#include <__config>
-#include <__locale>
#include <cstdio>
#include <istream>
+#include <locale>
#include <ostream>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
diff --git a/libcxx/test/tools/clang_tidy_checks/CMakeLists.txt b/libcxx/test/tools/clang_tidy_checks/CMakeLists.txt
index 978e7095216522..ab448061f52dcc 100644
--- a/libcxx/test/tools/clang_tidy_checks/CMakeLists.txt
+++ b/libcxx/test/tools/clang_tidy_checks/CMakeLists.txt
@@ -5,7 +5,7 @@
set(LLVM_DIR_SAVE ${LLVM_DIR})
set(Clang_DIR_SAVE ${Clang_DIR})
-find_package(Clang 18)
+find_package(Clang 19)
if (NOT Clang_FOUND)
find_package(Clang 17)
endif()
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