| // -*- 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 <__assert> // all public C++ headers provide the assertion handler |
| #include <__config> |
| #include <__fwd/string.h> |
| #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, 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 |
| typedef fpos<mbstate_t> u16streampos; |
| typedef fpos<mbstate_t> u32streampos; |
| |
| #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 |
| |
| // 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 |
