gcc/libstdc++-v3/bits/std_iosfwd.h

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// Forwarding declarations -*- C++ -*-
// Copyright (C) 1997-1999 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 27.2 Forward declarations
//
#ifndef _CPP_IOSFWD
#define _CPP_IOSFWD 1
#include <bits/c++config.h>
#include <bits/std_cwchar.h> //For mbstate_t
namespace std {
// Generic declarations.
template<typename _CharT> struct char_traits;
template<typename _Alloc> class allocator;
// Forward declarations
template<> class char_traits<char>;
#ifdef _GLIBCPP_USE_WCHAR_T
template<> class char_traits<wchar_t>;
#endif
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_ios;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_streambuf;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_istream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_ostream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_iostream;
template<typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT> >
class basic_stringbuf;
template<typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT> >
class basic_istringstream;
template<typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT> >
class basic_ostringstream;
template<typename _CharT, typename _Traits = char_traits<_CharT>,
typename _Alloc = allocator<_CharT> >
class basic_stringstream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_filebuf;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_ifstream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_ofstream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class basic_fstream;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class istreambuf_iterator;
template<typename _CharT, typename _Traits = char_traits<_CharT> >
class ostreambuf_iterator;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// Not included.
class ios_base;
#endif
template<class _State> struct fpos;
#ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
// Can't have self-recursive types for streampos.
// 21.1.3.1 char_traits sets size_type to streampos
// 27.4.1
// And here, where streampos is typedefed to fpos<traits::state_type>
typedef fpos<mbstate_t> streampos;
# ifdef _GLIBCPP_USE_WCHAR_T
typedef fpos<mbstate_t> wstreampos;
# endif
#endif
typedef basic_ios<char> ios;
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;
#ifdef _GLIBCPP_USE_WCHAR_T
typedef basic_ios<wchar_t> wios;
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
} // namespace std
#endif // _CPP_IOSFWD