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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_IOSFWD
#define _LIBCPP_IOSFWD
/*
iosfwd synopsis
namespace std
{
template<class charT> struct char_traits;
template<> struct char_traits<char>;
template<> struct char_traits<char8_t>; // C++20
template<> struct char_traits<char16_t>;
template<> struct char_traits<char32_t>;
template<> struct char_traits<wchar_t>;
template<class T> class allocator;
class ios_base;
template <class charT, class traits = char_traits<charT> > class basic_ios;
template <class charT, class traits = char_traits<charT> > class basic_streambuf;
template <class charT, class traits = char_traits<charT> > class basic_istream;
template <class charT, class traits = char_traits<charT> > class basic_ostream;
template <class charT, class traits = char_traits<charT> > class basic_iostream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringbuf;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_istringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_ostringstream;
template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
class basic_stringstream;
template <class charT, class traits = char_traits<charT> > class basic_filebuf;
template <class charT, class traits = char_traits<charT> > class basic_ifstream;
template <class charT, class traits = char_traits<charT> > class basic_ofstream;
template <class charT, class traits = char_traits<charT> > class basic_fstream;
template <class charT, class traits = char_traits<charT> > class istreambuf_iterator;
template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator;
typedef basic_ios<char> ios;
typedef basic_ios<wchar_t> wios;
typedef basic_streambuf<char> streambuf;
typedef basic_istream<char> istream;
typedef basic_ostream<char> ostream;
typedef basic_iostream<char> iostream;
typedef basic_stringbuf<char> stringbuf;
typedef basic_istringstream<char> istringstream;
typedef basic_ostringstream<char> ostringstream;
typedef basic_stringstream<char> stringstream;
typedef basic_filebuf<char> filebuf;
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
typedef basic_fstream<char> fstream;
typedef basic_streambuf<wchar_t> wstreambuf;
typedef basic_istream<wchar_t> wistream;
typedef basic_ostream<wchar_t> wostream;
typedef basic_iostream<wchar_t> wiostream;
typedef basic_stringbuf<wchar_t> wstringbuf;
typedef basic_istringstream<wchar_t> wistringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
typedef basic_stringstream<wchar_t> wstringstream;
typedef basic_filebuf<wchar_t> wfilebuf;
typedef basic_ifstream<wchar_t> wifstream;
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
template <class state> class fpos;
using streampos = fpos<char_traits<char>::state_type>;
using wstreampos = fpos<char_traits<wchar_t>::state_type>;
using u8streampos = fpos<char_traits<char8_t>::state_type>; // C++20
using u16streampos = fpos<char_traits<char16_t>::state_type>;
using u32streampos = fpos<char_traits<char32_t>::state_type>;
} // std
*/
#include <__config>
#include <__mbstate_t.h>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS ios_base;
template<class _CharT> struct _LIBCPP_TEMPLATE_VIS char_traits;
template<> struct char_traits<char>;
#ifndef _LIBCPP_HAS_NO_CHAR8_T
template<> struct char_traits<char8_t>;
#endif
template<> struct char_traits<char16_t>;
template<> struct char_traits<char32_t>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
template<> struct char_traits<wchar_t>;
#endif
template<class _Tp> class _LIBCPP_TEMPLATE_VIS allocator;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_ios;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_streambuf;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_istream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_ostream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_iostream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_stringbuf;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_istringstream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_ostringstream;
template <class _CharT, class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_stringstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_filebuf;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_ifstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_ofstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_fstream;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS istreambuf_iterator;
template <class _CharT, class _Traits = char_traits<_CharT> >
class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator;
typedef basic_ios<char> ios;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
typedef basic_ios<wchar_t> wios;
#endif
typedef basic_streambuf<char> streambuf;
typedef basic_istream<char> istream;
typedef basic_ostream<char> ostream;
typedef basic_iostream<char> iostream;
typedef basic_stringbuf<char> stringbuf;
typedef basic_istringstream<char> istringstream;
typedef basic_ostringstream<char> ostringstream;
typedef basic_stringstream<char> stringstream;
typedef basic_filebuf<char> filebuf;
typedef basic_ifstream<char> ifstream;
typedef basic_ofstream<char> ofstream;
typedef basic_fstream<char> fstream;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
typedef basic_streambuf<wchar_t> wstreambuf;
typedef basic_istream<wchar_t> wistream;
typedef basic_ostream<wchar_t> wostream;
typedef basic_iostream<wchar_t> wiostream;
typedef basic_stringbuf<wchar_t> wstringbuf;
typedef basic_istringstream<wchar_t> wistringstream;
typedef basic_ostringstream<wchar_t> wostringstream;
typedef basic_stringstream<wchar_t> wstringstream;
typedef basic_filebuf<wchar_t> wfilebuf;
typedef basic_ifstream<wchar_t> wifstream;
typedef basic_ofstream<wchar_t> wofstream;
typedef basic_fstream<wchar_t> wfstream;
#endif
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(ios) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wios)) basic_ios;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(streambuf) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstreambuf)) basic_streambuf;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(istream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistream)) basic_istream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(ostream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wostream)) basic_ostream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(iostream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wiostream)) basic_iostream;
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(stringbuf) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstringbuf)) basic_stringbuf;
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(istringstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wistringstream)) basic_istringstream;
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(ostringstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wostringstream)) basic_ostringstream;
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(stringstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstringstream)) basic_stringstream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(filebuf) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wfilebuf)) basic_filebuf;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(ifstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wifstream)) basic_ifstream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(ofstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wofstream)) basic_ofstream;
template <class _CharT, class _Traits>
class _LIBCPP_PREFERRED_NAME(fstream) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wfstream)) basic_fstream;
template <class _State> class _LIBCPP_TEMPLATE_VIS fpos;
typedef fpos<mbstate_t> streampos;
typedef fpos<mbstate_t> wstreampos;
#ifndef _LIBCPP_HAS_NO_CHAR8_T
typedef fpos<mbstate_t> u8streampos;
#endif
#ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
typedef fpos<mbstate_t> u16streampos;
typedef fpos<mbstate_t> u32streampos;
#endif
#if defined(_NEWLIB_VERSION)
// On newlib, off_t is 'long int'
typedef long int streamoff; // for char_traits in <string>
#else
typedef long long streamoff; // for char_traits in <string>
#endif
template <class _CharT, // for <stdexcept>
class _Traits = char_traits<_CharT>,
class _Allocator = allocator<_CharT> >
class _LIBCPP_TEMPLATE_VIS basic_string;
typedef basic_string<char, char_traits<char>, allocator<char> > string;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring;
#endif
typedef basic_string<char16_t, char_traits<char16_t>, allocator<char16_t> > u16string;
template <class _CharT, class _Traits, class _Allocator>
class _LIBCPP_PREFERRED_NAME(string) _LIBCPP_IF_WIDE_CHARACTERS(_LIBCPP_PREFERRED_NAME(wstring)) basic_string;
// Include other forward declarations here
template <class _Tp, class _Alloc = allocator<_Tp> >
class _LIBCPP_TEMPLATE_VIS vector;
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_IOSFWD
|
