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codecvt
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// -*- 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_CODECVT
#define _LIBCPP_CODECVT
/*
codecvt synopsis
namespace std
{
enum codecvt_mode
{
consume_header = 4,
generate_header = 2,
little_endian = 1
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf8
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf8(size_t refs = 0);
~codecvt_utf8();
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf16
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf16(size_t refs = 0);
~codecvt_utf16();
};
template <class Elem, unsigned long Maxcode = 0x10ffff,
codecvt_mode Mode = (codecvt_mode)0>
class codecvt_utf8_utf16
: public codecvt<Elem, char, mbstate_t>
{
explicit codecvt_utf8_utf16(size_t refs = 0);
~codecvt_utf8_utf16();
};
} // std
*/
#include <__assert> // all public C++ headers provide the assertion handler
#include <__config>
#include <__locale>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
#if _LIBCPP_STD_VER < 26 || defined(_LIBCPP_BUILDING_LIBRARY) || defined(_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT)
_LIBCPP_BEGIN_NAMESPACE_STD
enum _LIBCPP_DEPRECATED_IN_CXX17 codecvt_mode { consume_header = 4, generate_header = 2, little_endian = 1 };
// codecvt_utf8
template <class _Elem>
class __codecvt_utf8;
# ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8<wchar_t> : public codecvt<wchar_t, char, mbstate_t> {
unsigned long __maxcode_;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
codecvt_mode __mode_;
_LIBCPP_SUPPRESS_DEPRECATED_POP
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
# endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8<char16_t> : public codecvt<char16_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char16_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8<char32_t> : public codecvt<char32_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char32_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <class _Elem, unsigned long _Maxcode = 0x10ffff, codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 codecvt_utf8 : public __codecvt_utf8<_Elem> {
public:
_LIBCPP_HIDE_FROM_ABI explicit codecvt_utf8(size_t __refs = 0) : __codecvt_utf8<_Elem>(__refs, _Maxcode, _Mode) {}
_LIBCPP_HIDE_FROM_ABI ~codecvt_utf8() {}
};
_LIBCPP_SUPPRESS_DEPRECATED_POP
// codecvt_utf16
template <class _Elem, bool _LittleEndian>
class __codecvt_utf16;
# ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<wchar_t, false> : public codecvt<wchar_t, char, mbstate_t> {
unsigned long __maxcode_;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
codecvt_mode __mode_;
_LIBCPP_SUPPRESS_DEPRECATED_POP
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<wchar_t, true> : public codecvt<wchar_t, char, mbstate_t> {
unsigned long __maxcode_;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
codecvt_mode __mode_;
_LIBCPP_SUPPRESS_DEPRECATED_POP
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
# endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<char16_t, false> : public codecvt<char16_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char16_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<char16_t, true> : public codecvt<char16_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char16_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<char32_t, false> : public codecvt<char32_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char32_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf16<char32_t, true> : public codecvt<char32_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char32_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <class _Elem, unsigned long _Maxcode = 0x10ffff, codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 codecvt_utf16
: public __codecvt_utf16<_Elem, _Mode & little_endian> {
public:
_LIBCPP_HIDE_FROM_ABI explicit codecvt_utf16(size_t __refs = 0)
: __codecvt_utf16<_Elem, _Mode & little_endian>(__refs, _Maxcode, _Mode) {}
_LIBCPP_HIDE_FROM_ABI ~codecvt_utf16() {}
};
_LIBCPP_SUPPRESS_DEPRECATED_POP
// codecvt_utf8_utf16
template <class _Elem>
class __codecvt_utf8_utf16;
# ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8_utf16<wchar_t> : public codecvt<wchar_t, char, mbstate_t> {
unsigned long __maxcode_;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
codecvt_mode __mode_;
_LIBCPP_SUPPRESS_DEPRECATED_POP
public:
typedef wchar_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<wchar_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
# endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8_utf16<char32_t> : public codecvt<char32_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char32_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char32_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <>
class _LIBCPP_EXPORTED_FROM_ABI __codecvt_utf8_utf16<char16_t> : public codecvt<char16_t, char, mbstate_t> {
unsigned long __maxcode_;
codecvt_mode __mode_;
public:
typedef char16_t intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_HIDE_FROM_ABI explicit __codecvt_utf8_utf16(size_t __refs, unsigned long __maxcode, codecvt_mode __mode)
: codecvt<char16_t, char, mbstate_t>(__refs), __maxcode_(__maxcode), __mode_(__mode) {}
_LIBCPP_SUPPRESS_DEPRECATED_POP
protected:
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 override;
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 override;
result do_unshift(state_type& __st, extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const override;
int do_encoding() const _NOEXCEPT override;
bool do_always_noconv() const _NOEXCEPT override;
int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const override;
int do_max_length() const _NOEXCEPT override;
};
_LIBCPP_SUPPRESS_DEPRECATED_PUSH
template <class _Elem, unsigned long _Maxcode = 0x10ffff, codecvt_mode _Mode = (codecvt_mode)0>
class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 codecvt_utf8_utf16 : public __codecvt_utf8_utf16<_Elem> {
public:
_LIBCPP_HIDE_FROM_ABI explicit codecvt_utf8_utf16(size_t __refs = 0)
: __codecvt_utf8_utf16<_Elem>(__refs, _Maxcode, _Mode) {}
_LIBCPP_HIDE_FROM_ABI ~codecvt_utf8_utf16() {}
};
_LIBCPP_SUPPRESS_DEPRECATED_POP
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER < 26 || defined(_LIBCPP_BUILDING_LIBRARY) || defined(_LIBCPP_ENABLE_CXX26_REMOVED_CODECVT)
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <atomic>
# include <concepts>
# include <cstddef>
# include <cstdlib>
# include <cstring>
# include <initializer_list>
# include <iosfwd>
# include <limits>
# include <mutex>
# include <new>
# include <stdexcept>
# include <type_traits>
# include <typeinfo>
#endif
#endif // _LIBCPP_CODECVT