Warning, /include/c++/v1/iosfwd is written in an unsupported language. File is not indexed.
0001 // -*- C++ -*-
0002 //===----------------------------------------------------------------------===//
0003 //
0004 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0005 // See https://llvm.org/LICENSE.txt for license information.
0006 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0007 //
0008 //===----------------------------------------------------------------------===//
0009
0010 #ifndef _LIBCPP_IOSFWD
0011 #define _LIBCPP_IOSFWD
0012
0013 /*
0014 iosfwd synopsis
0015
0016 namespace std
0017 {
0018
0019 template<class charT> struct char_traits;
0020 template<> struct char_traits<char>;
0021 template<> struct char_traits<char8_t>; // C++20
0022 template<> struct char_traits<char16_t>;
0023 template<> struct char_traits<char32_t>;
0024 template<> struct char_traits<wchar_t>;
0025
0026 template<class T> class allocator;
0027
0028 template <class charT, class traits = char_traits<charT> > class basic_ios;
0029
0030 template <class charT, class traits = char_traits<charT> > class basic_streambuf;
0031 template <class charT, class traits = char_traits<charT> > class basic_istream;
0032 template <class charT, class traits = char_traits<charT> > class basic_ostream;
0033 template <class charT, class traits = char_traits<charT> > class basic_iostream;
0034
0035 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
0036 class basic_stringbuf;
0037 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
0038 class basic_istringstream;
0039 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
0040 class basic_ostringstream;
0041 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
0042 class basic_stringstream;
0043
0044 template <class charT, class traits = char_traits<charT> > class basic_filebuf;
0045 template <class charT, class traits = char_traits<charT> > class basic_ifstream;
0046 template <class charT, class traits = char_traits<charT> > class basic_ofstream;
0047 template <class charT, class traits = char_traits<charT> > class basic_fstream;
0048
0049 template <class charT, class traits = char_traits<charT> > class istreambuf_iterator;
0050 template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator;
0051
0052 typedef basic_ios<char> ios;
0053 typedef basic_ios<wchar_t> wios;
0054
0055 typedef basic_streambuf<char> streambuf;
0056 typedef basic_istream<char> istream;
0057 typedef basic_ostream<char> ostream;
0058 typedef basic_iostream<char> iostream;
0059
0060 typedef basic_stringbuf<char> stringbuf;
0061 typedef basic_istringstream<char> istringstream;
0062 typedef basic_ostringstream<char> ostringstream;
0063 typedef basic_stringstream<char> stringstream;
0064
0065 typedef basic_filebuf<char> filebuf;
0066 typedef basic_ifstream<char> ifstream;
0067 typedef basic_ofstream<char> ofstream;
0068 typedef basic_fstream<char> fstream;
0069
0070 typedef basic_streambuf<wchar_t> wstreambuf;
0071 typedef basic_istream<wchar_t> wistream;
0072 typedef basic_ostream<wchar_t> wostream;
0073 typedef basic_iostream<wchar_t> wiostream;
0074
0075 typedef basic_stringbuf<wchar_t> wstringbuf;
0076 typedef basic_istringstream<wchar_t> wistringstream;
0077 typedef basic_ostringstream<wchar_t> wostringstream;
0078 typedef basic_stringstream<wchar_t> wstringstream;
0079
0080 typedef basic_filebuf<wchar_t> wfilebuf;
0081 typedef basic_ifstream<wchar_t> wifstream;
0082 typedef basic_ofstream<wchar_t> wofstream;
0083 typedef basic_fstream<wchar_t> wfstream;
0084
0085 template <class state> class fpos;
0086 using streampos = fpos<char_traits<char>::state_type>;
0087 using wstreampos = fpos<char_traits<wchar_t>::state_type>;
0088 using u8streampos = fpos<char_traits<char8_t>::state_type>; // C++20
0089 using u16streampos = fpos<char_traits<char16_t>::state_type>;
0090 using u32streampos = fpos<char_traits<char32_t>::state_type>;
0091
0092 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT>>
0093 class basic_syncbuf; // C++20
0094
0095 using syncbuf = basic_syncbuf<char>; // C++20
0096 using wsyncbuf = basic_syncbuf<wchar_t>; // C++20
0097
0098 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT>>
0099 class basic_osyncstream; // C++20
0100
0101 using osyncstream = basic_osyncstream<char>; // C++20
0102 using wosyncstream = basic_osyncstream<wchar_t>; // C++20
0103
0104 } // std
0105
0106 */
0107
0108 #if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
0109 # include <__cxx03/iosfwd>
0110 #else
0111 # include <__config>
0112 # include <__fwd/fstream.h>
0113 # include <__fwd/ios.h>
0114 # include <__fwd/istream.h>
0115 # include <__fwd/memory.h>
0116 # include <__fwd/ostream.h>
0117 # include <__fwd/sstream.h>
0118 # include <__fwd/streambuf.h>
0119 # include <__fwd/string.h>
0120 # include <__std_mbstate_t.h>
0121 # include <version>
0122
0123 # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
0124 # pragma GCC system_header
0125 # endif
0126
0127 _LIBCPP_BEGIN_NAMESPACE_STD
0128
0129 template <class _CharT, class _Traits = char_traits<_CharT> >
0130 class _LIBCPP_TEMPLATE_VIS istreambuf_iterator;
0131 template <class _CharT, class _Traits = char_traits<_CharT> >
0132 class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator;
0133
0134 template <class _State>
0135 class _LIBCPP_TEMPLATE_VIS fpos;
0136 typedef fpos<mbstate_t> streampos;
0137 # if _LIBCPP_HAS_WIDE_CHARACTERS
0138 typedef fpos<mbstate_t> wstreampos;
0139 # endif
0140 # if _LIBCPP_HAS_CHAR8_T
0141 typedef fpos<mbstate_t> u8streampos;
0142 # endif
0143 typedef fpos<mbstate_t> u16streampos;
0144 typedef fpos<mbstate_t> u32streampos;
0145
0146 # if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_EXPERIMENTAL_SYNCSTREAM
0147
0148 template <class _CharT, class _Traits = char_traits<_CharT>, class _Allocator = allocator<_CharT>>
0149 class basic_syncbuf;
0150
0151 using syncbuf = basic_syncbuf<char>;
0152 # if _LIBCPP_HAS_WIDE_CHARACTERS
0153 using wsyncbuf = basic_syncbuf<wchar_t>;
0154 # endif
0155
0156 template <class _CharT, class _Traits = char_traits<_CharT>, class _Allocator = allocator<_CharT>>
0157 class basic_osyncstream;
0158
0159 using osyncstream = basic_osyncstream<char>;
0160 # if _LIBCPP_HAS_WIDE_CHARACTERS
0161 using wosyncstream = basic_osyncstream<wchar_t>;
0162 # endif
0163
0164 # endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_EXPERIMENTAL_SYNCSTREAM
0165
0166 template <class _CharT, class _Traits>
0167 class __save_flags {
0168 typedef basic_ios<_CharT, _Traits> __stream_type;
0169 typedef typename __stream_type::fmtflags fmtflags;
0170
0171 __stream_type& __stream_;
0172 fmtflags __fmtflags_;
0173 _CharT __fill_;
0174
0175 public:
0176 __save_flags(const __save_flags&) = delete;
0177 __save_flags& operator=(const __save_flags&) = delete;
0178
0179 _LIBCPP_HIDE_FROM_ABI explicit __save_flags(__stream_type& __stream)
0180 : __stream_(__stream), __fmtflags_(__stream.flags()), __fill_(__stream.fill()) {}
0181 _LIBCPP_HIDE_FROM_ABI ~__save_flags() {
0182 __stream_.flags(__fmtflags_);
0183 __stream_.fill(__fill_);
0184 }
0185 };
0186
0187 _LIBCPP_END_NAMESPACE_STD
0188
0189 #endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
0190
0191 #endif // _LIBCPP_IOSFWD
