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Upgrade to 2022-era LLVM LIBCXX

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Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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2078 changed files with 165657 additions and 65010 deletions
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200
third_party/libcxx/ios vendored
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@ -1,5 +1,5 @@
// -*- C++ -*-
//===---------------------------- ios -------------------------------------===//
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@ -10,25 +10,10 @@
#ifndef _LIBCPP_IOS
#define _LIBCPP_IOS
#include "third_party/libcxx/__config"
#include "third_party/libcxx/iosfwd"
#include "third_party/libcxx/__locale"
#include "third_party/libcxx/system_error"
#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
#include "third_party/libcxx/atomic" // for __xindex_
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
/*
ios synopsis
#include "third_party/libcxx/iosfwd"
#include <iosfwd>
namespace std
{
@ -225,6 +210,39 @@ storage-class-specifier const error_category& iostream_category() noexcept;
*/
#include <__config>
#if defined(_LIBCPP_HAS_NO_LOCALIZATION)
# error "The iostreams library is not supported since libc++ has been configured without support for localization."
#endif
#include <__assert> // all public C++ headers provide the assertion handler
#include <__fwd/ios.h>
#include <__ios/fpos.h>
#include <__locale>
#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 <__utility/swap.h>
#include <__verbose_abort>
#include <version>
// standard-mandated includes
// [ios.syn]
#include <iosfwd>
#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
# include <__atomic/atomic.h> // for __xindex_
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
typedef ptrdiff_t streamsize;
class _LIBCPP_TYPE_VIS ios_base
@ -308,11 +326,9 @@ public:
typedef void (*event_callback)(event, ios_base&, int __index);
void register_callback(event_callback __fn, int __index);
private:
ios_base(const ios_base&); // = delete;
ios_base& operator=(const ios_base&); // = delete;
ios_base(const ios_base&) = delete;
ios_base& operator=(const ios_base&) = delete;
public:
static bool sync_with_stdio(bool __sync = true);
_LIBCPP_INLINE_VISIBILITY iostate rdstate() const;
@ -403,7 +419,7 @@ _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)
template <>
struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc> : public true_type { };
#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
#ifdef _LIBCPP_CXX03_LANG
template <>
struct _LIBCPP_TEMPLATE_VIS is_error_code_enum<io_errc::__lx> : public true_type { };
#endif
@ -431,16 +447,16 @@ class _LIBCPP_EXCEPTION_ABI ios_base::failure
public:
explicit failure(const string& __msg, const error_code& __ec = io_errc::stream);
explicit failure(const char* __msg, const error_code& __ec = io_errc::stream);
virtual ~failure() throw();
_LIBCPP_HIDE_FROM_ABI failure(const failure&) _NOEXCEPT = default;
~failure() _NOEXCEPT override;
};
_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY
void __throw_failure(char const* __msg) {
#ifndef _LIBCPP_NO_EXCEPTIONS
#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
throw ios_base::failure(__msg);
#else
((void)__msg);
_VSTD::abort();
_LIBCPP_VERBOSE_ABORT("ios_base::failure was thrown in -fno-exceptions mode with message \"%s\"", __msg);
#endif
}
@ -590,13 +606,6 @@ ios_base::exceptions(iostate __iostate)
clear(__rdstate_);
}
#if defined(_LIBCPP_CXX03_LANG)
struct _LIBCPP_TYPE_VIS __cxx03_bool {
typedef void (__cxx03_bool::*__bool_type)();
void __true_value() {}
};
#endif
template <class _CharT, class _Traits>
class _LIBCPP_TEMPLATE_VIS basic_ios
: public ios_base
@ -613,17 +622,14 @@ public:
static_assert((is_same<_CharT, typename traits_type::char_type>::value),
"traits_type::char_type must be the same type as CharT");
// __true_value will generate undefined references when linking unless
// we give it internal linkage.
#if defined(_LIBCPP_CXX03_LANG)
#ifdef _LIBCPP_CXX03_LANG
// Preserve the ability to compare with literal 0,
// and implicitly convert to bool, but not implicitly convert to int.
_LIBCPP_INLINE_VISIBILITY
operator __cxx03_bool::__bool_type() const {
return !fail() ? &__cxx03_bool::__true_value : nullptr;
}
operator void*() const {return fail() ? nullptr : (void*)this;}
#else
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_EXPLICIT operator bool() const {return !fail();}
explicit operator bool() const {return !fail();}
#endif
_LIBCPP_INLINE_VISIBILITY bool operator!() const {return fail();}
@ -641,7 +647,7 @@ public:
// 27.5.4.1 Constructor/destructor:
_LIBCPP_INLINE_VISIBILITY
explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb);
virtual ~basic_ios();
~basic_ios() override;
// 27.5.4.2 Members:
_LIBCPP_INLINE_VISIBILITY
@ -678,10 +684,8 @@ protected:
_LIBCPP_INLINE_VISIBILITY
void move(basic_ios& __rhs);
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
void move(basic_ios&& __rhs) {move(__rhs);}
#endif
_LIBCPP_INLINE_VISIBILITY
void swap(basic_ios& __rhs) _NOEXCEPT;
_LIBCPP_INLINE_VISIBILITY
@ -709,7 +713,7 @@ void
basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb)
{
ios_base::init(__sb);
__tie_ = 0;
__tie_ = nullptr;
__fill_ = traits_type::eof();
}
@ -766,7 +770,7 @@ inline _LIBCPP_INLINE_VISIBILITY
char
basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
{
return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault);
return std::use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault);
}
template <class _CharT, class _Traits>
@ -774,7 +778,7 @@ inline _LIBCPP_INLINE_VISIBILITY
_CharT
basic_ios<_CharT, _Traits>::widen(char __c) const
{
return use_facet<ctype<char_type> >(getloc()).widen(__c);
return std::use_facet<ctype<char_type> >(getloc()).widen(__c);
}
template <class _CharT, class _Traits>
@ -792,6 +796,8 @@ inline _LIBCPP_INLINE_VISIBILITY
_CharT
basic_ios<_CharT, _Traits>::fill(char_type __ch)
{
if (traits_type::eq_int_type(traits_type::eof(), __fill_))
__fill_ = widen(' ');
char_type __r = __fill_;
__fill_ = __ch;
return __r;
@ -820,7 +826,7 @@ basic_ios<_CharT, _Traits>::move(basic_ios& __rhs)
{
ios_base::move(__rhs);
__tie_ = __rhs.__tie_;
__rhs.__tie_ = 0;
__rhs.__tie_ = nullptr;
__fill_ = __rhs.__fill_;
}
@ -842,7 +848,13 @@ basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* _
ios_base::set_rdbuf(__sb);
}
inline _LIBCPP_INLINE_VISIBILITY
extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios<char>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ios<wchar_t>;
#endif
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
boolalpha(ios_base& __str)
{
@ -850,7 +862,7 @@ boolalpha(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
noboolalpha(ios_base& __str)
{
@ -858,7 +870,7 @@ noboolalpha(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
showbase(ios_base& __str)
{
@ -866,7 +878,7 @@ showbase(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
noshowbase(ios_base& __str)
{
@ -874,7 +886,7 @@ noshowbase(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
showpoint(ios_base& __str)
{
@ -882,7 +894,7 @@ showpoint(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
noshowpoint(ios_base& __str)
{
@ -890,7 +902,7 @@ noshowpoint(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
showpos(ios_base& __str)
{
@ -898,7 +910,7 @@ showpos(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
noshowpos(ios_base& __str)
{
@ -906,7 +918,7 @@ noshowpos(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
skipws(ios_base& __str)
{
@ -914,7 +926,7 @@ skipws(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
noskipws(ios_base& __str)
{
@ -922,7 +934,7 @@ noskipws(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
uppercase(ios_base& __str)
{
@ -930,7 +942,7 @@ uppercase(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
nouppercase(ios_base& __str)
{
@ -938,7 +950,7 @@ nouppercase(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
unitbuf(ios_base& __str)
{
@ -946,7 +958,7 @@ unitbuf(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
nounitbuf(ios_base& __str)
{
@ -954,7 +966,7 @@ nounitbuf(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
internal(ios_base& __str)
{
@ -962,7 +974,7 @@ internal(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
left(ios_base& __str)
{
@ -970,7 +982,7 @@ left(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
right(ios_base& __str)
{
@ -978,7 +990,7 @@ right(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
dec(ios_base& __str)
{
@ -986,7 +998,7 @@ dec(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
hex(ios_base& __str)
{
@ -994,7 +1006,7 @@ hex(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
oct(ios_base& __str)
{
@ -1002,7 +1014,7 @@ oct(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
fixed(ios_base& __str)
{
@ -1010,7 +1022,7 @@ fixed(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
scientific(ios_base& __str)
{
@ -1018,7 +1030,7 @@ scientific(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
hexfloat(ios_base& __str)
{
@ -1026,7 +1038,7 @@ hexfloat(ios_base& __str)
return __str;
}
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_HIDE_FROM_ABI inline
ios_base&
defaultfloat(ios_base& __str)
{
@ -1034,33 +1046,21 @@ defaultfloat(ios_base& __str)
return __str;
}
template <class _CharT, class _Traits>
class __save_flags
{
typedef basic_ios<_CharT, _Traits> __stream_type;
typedef typename __stream_type::fmtflags fmtflags;
__stream_type& __stream_;
fmtflags __fmtflags_;
_CharT __fill_;
__save_flags(const __save_flags&);
__save_flags& operator=(const __save_flags&);
public:
_LIBCPP_INLINE_VISIBILITY
explicit __save_flags(__stream_type& __stream)
: __stream_(__stream),
__fmtflags_(__stream.flags()),
__fill_(__stream.fill())
{}
_LIBCPP_INLINE_VISIBILITY
~__save_flags()
{
__stream_.flags(__fmtflags_);
__stream_.fill(__fill_);
}
};
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_IOS
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <atomic>
# include <concepts>
# include <cstddef>
# include <cstdlib>
# include <cstring>
# include <initializer_list>
# include <limits>
# include <new>
# include <stdexcept>
# include <system_error>
# include <type_traits>
# include <typeinfo>
#endif
#endif // _LIBCPP_IOS