1 // -*- C++ -*- 2 //===--------------------------- iosfwd -----------------------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #ifndef _LIBCPP_IOSFWD 12 #define _LIBCPP_IOSFWD 13 14 /* 15 iosfwd synopsis 16 17 namespace std 18 { 19 20 template<class charT> struct char_traits; 21 template<> struct char_traits<char>; 22 template<> struct char_traits<char8_t>; // C++20 23 template<> struct char_traits<char16_t>; 24 template<> struct char_traits<char32_t>; 25 template<> struct char_traits<wchar_t>; 26 27 template<class T> class allocator; 28 29 class ios_base; 30 template <class charT, class traits = char_traits<charT> > class basic_ios; 31 32 template <class charT, class traits = char_traits<charT> > class basic_streambuf; 33 template <class charT, class traits = char_traits<charT> > class basic_istream; 34 template <class charT, class traits = char_traits<charT> > class basic_ostream; 35 template <class charT, class traits = char_traits<charT> > class basic_iostream; 36 37 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 38 class basic_stringbuf; 39 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 40 class basic_istringstream; 41 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 42 class basic_ostringstream; 43 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 44 class basic_stringstream; 45 46 template <class charT, class traits = char_traits<charT> > class basic_filebuf; 47 template <class charT, class traits = char_traits<charT> > class basic_ifstream; 48 template <class charT, class traits = char_traits<charT> > class basic_ofstream; 49 template <class charT, class traits = char_traits<charT> > class basic_fstream; 50 51 template <class charT, class traits = char_traits<charT> > class istreambuf_iterator; 52 template <class charT, class traits = char_traits<charT> > class ostreambuf_iterator; 53 54 typedef basic_ios<char> ios; 55 typedef basic_ios<wchar_t> wios; 56 57 typedef basic_streambuf<char> streambuf; 58 typedef basic_istream<char> istream; 59 typedef basic_ostream<char> ostream; 60 typedef basic_iostream<char> iostream; 61 62 typedef basic_stringbuf<char> stringbuf; 63 typedef basic_istringstream<char> istringstream; 64 typedef basic_ostringstream<char> ostringstream; 65 typedef basic_stringstream<char> stringstream; 66 67 typedef basic_filebuf<char> filebuf; 68 typedef basic_ifstream<char> ifstream; 69 typedef basic_ofstream<char> ofstream; 70 typedef basic_fstream<char> fstream; 71 72 typedef basic_streambuf<wchar_t> wstreambuf; 73 typedef basic_istream<wchar_t> wistream; 74 typedef basic_ostream<wchar_t> wostream; 75 typedef basic_iostream<wchar_t> wiostream; 76 77 typedef basic_stringbuf<wchar_t> wstringbuf; 78 typedef basic_istringstream<wchar_t> wistringstream; 79 typedef basic_ostringstream<wchar_t> wostringstream; 80 typedef basic_stringstream<wchar_t> wstringstream; 81 82 typedef basic_filebuf<wchar_t> wfilebuf; 83 typedef basic_ifstream<wchar_t> wifstream; 84 typedef basic_ofstream<wchar_t> wofstream; 85 typedef basic_fstream<wchar_t> wfstream; 86 87 template <class state> class fpos; 88 typedef fpos<char_traits<char>::state_type> streampos; 89 typedef fpos<char_traits<wchar_t>::state_type> wstreampos; 90 91 } // std 92 93 */ 94 95 #include <__config> 96 #include <wchar.h> // for mbstate_t 97 98 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 99 #pragma GCC system_header 100 #endif 101 102 _LIBCPP_BEGIN_NAMESPACE_STD 103 104 class _LIBCPP_TYPE_VIS ios_base; 105 106 template<class _CharT> struct _LIBCPP_TEMPLATE_VIS char_traits; 107 template<> struct char_traits<char>; 108 #ifndef _LIBCPP_NO_HAS_CHAR8_T 109 template<> struct char_traits<char8_t>; 110 #endif 111 template<> struct char_traits<char16_t>; 112 template<> struct char_traits<char32_t>; 113 template<> struct char_traits<wchar_t>; 114 115 template<class _Tp> class _LIBCPP_TEMPLATE_VIS allocator; 116 117 template <class _CharT, class _Traits = char_traits<_CharT> > 118 class _LIBCPP_TEMPLATE_VIS basic_ios; 119 120 template <class _CharT, class _Traits = char_traits<_CharT> > 121 class _LIBCPP_TEMPLATE_VIS basic_streambuf; 122 template <class _CharT, class _Traits = char_traits<_CharT> > 123 class _LIBCPP_TEMPLATE_VIS basic_istream; 124 template <class _CharT, class _Traits = char_traits<_CharT> > 125 class _LIBCPP_TEMPLATE_VIS basic_ostream; 126 template <class _CharT, class _Traits = char_traits<_CharT> > 127 class _LIBCPP_TEMPLATE_VIS basic_iostream; 128 129 template <class _CharT, class _Traits = char_traits<_CharT>, 130 class _Allocator = allocator<_CharT> > 131 class _LIBCPP_TEMPLATE_VIS basic_stringbuf; 132 template <class _CharT, class _Traits = char_traits<_CharT>, 133 class _Allocator = allocator<_CharT> > 134 class _LIBCPP_TEMPLATE_VIS basic_istringstream; 135 template <class _CharT, class _Traits = char_traits<_CharT>, 136 class _Allocator = allocator<_CharT> > 137 class _LIBCPP_TEMPLATE_VIS basic_ostringstream; 138 template <class _CharT, class _Traits = char_traits<_CharT>, 139 class _Allocator = allocator<_CharT> > 140 class _LIBCPP_TEMPLATE_VIS basic_stringstream; 141 142 template <class _CharT, class _Traits = char_traits<_CharT> > 143 class _LIBCPP_TEMPLATE_VIS basic_filebuf; 144 template <class _CharT, class _Traits = char_traits<_CharT> > 145 class _LIBCPP_TEMPLATE_VIS basic_ifstream; 146 template <class _CharT, class _Traits = char_traits<_CharT> > 147 class _LIBCPP_TEMPLATE_VIS basic_ofstream; 148 template <class _CharT, class _Traits = char_traits<_CharT> > 149 class _LIBCPP_TEMPLATE_VIS basic_fstream; 150 151 template <class _CharT, class _Traits = char_traits<_CharT> > 152 class _LIBCPP_TEMPLATE_VIS istreambuf_iterator; 153 template <class _CharT, class _Traits = char_traits<_CharT> > 154 class _LIBCPP_TEMPLATE_VIS ostreambuf_iterator; 155 156 typedef basic_ios<char> ios; 157 typedef basic_ios<wchar_t> wios; 158 159 typedef basic_streambuf<char> streambuf; 160 typedef basic_istream<char> istream; 161 typedef basic_ostream<char> ostream; 162 typedef basic_iostream<char> iostream; 163 164 typedef basic_stringbuf<char> stringbuf; 165 typedef basic_istringstream<char> istringstream; 166 typedef basic_ostringstream<char> ostringstream; 167 typedef basic_stringstream<char> stringstream; 168 169 typedef basic_filebuf<char> filebuf; 170 typedef basic_ifstream<char> ifstream; 171 typedef basic_ofstream<char> ofstream; 172 typedef basic_fstream<char> fstream; 173 174 typedef basic_streambuf<wchar_t> wstreambuf; 175 typedef basic_istream<wchar_t> wistream; 176 typedef basic_ostream<wchar_t> wostream; 177 typedef basic_iostream<wchar_t> wiostream; 178 179 typedef basic_stringbuf<wchar_t> wstringbuf; 180 typedef basic_istringstream<wchar_t> wistringstream; 181 typedef basic_ostringstream<wchar_t> wostringstream; 182 typedef basic_stringstream<wchar_t> wstringstream; 183 184 typedef basic_filebuf<wchar_t> wfilebuf; 185 typedef basic_ifstream<wchar_t> wifstream; 186 typedef basic_ofstream<wchar_t> wofstream; 187 typedef basic_fstream<wchar_t> wfstream; 188 189 template <class _State> class _LIBCPP_TEMPLATE_VIS fpos; 190 typedef fpos<mbstate_t> streampos; 191 typedef fpos<mbstate_t> wstreampos; 192 #ifndef _LIBCPP_NO_HAS_CHAR8_T 193 typedef fpos<mbstate_t> u8streampos; 194 #endif 195 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS 196 typedef fpos<mbstate_t> u16streampos; 197 typedef fpos<mbstate_t> u32streampos; 198 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS 199 200 #if defined(_NEWLIB_VERSION) 201 // On newlib, off_t is 'long int' 202 typedef long int streamoff; // for char_traits in <string> 203 #else 204 typedef long long streamoff; // for char_traits in <string> 205 #endif 206 207 template <class _CharT, // for <stdexcept> 208 class _Traits = char_traits<_CharT>, 209 class _Allocator = allocator<_CharT> > 210 class _LIBCPP_TEMPLATE_VIS basic_string; 211 typedef basic_string<char, char_traits<char>, allocator<char> > string; 212 typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring; 213 214 215 // Include other forward declarations here 216 template <class _Tp, class _Alloc = allocator<_Tp> > 217 class _LIBCPP_TEMPLATE_VIS vector; 218 219 _LIBCPP_END_NAMESPACE_STD 220 221 #endif // _LIBCPP_IOSFWD 222
