// -*- 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> #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