forked from OSchip/llvm-project
121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
//===------------------------ iostream.cpp --------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "__std_stream"
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#include "string"
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#include "new"
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_LIBCPP_BEGIN_NAMESPACE_STD
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#ifndef _LIBCPP_HAS_NO_STDIN
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_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin[sizeof(istream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?cin@__1@std@@3V?$basic_istream@DU?$char_traits@D@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin[sizeof(__stdinbuf <char>)];
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static mbstate_t mb_cin;
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_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin[sizeof(wistream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?wcin@__1@std@@3V?$basic_istream@_WU?$char_traits@_W@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin[sizeof(__stdinbuf <wchar_t>)];
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static mbstate_t mb_wcin;
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#endif
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#ifndef _LIBCPP_HAS_NO_STDOUT
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_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?cout@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
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static mbstate_t mb_cout;
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_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?wcout@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
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static mbstate_t mb_wcout;
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#endif
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_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?cerr@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
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static mbstate_t mb_cerr;
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_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?wcerr@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
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static mbstate_t mb_wcerr;
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_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?clog@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
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#endif
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;
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_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]
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#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
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__asm__("?wclog@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
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#endif
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;
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ios_base::Init __start_std_streams;
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ios_base::Init::Init()
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{
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#ifndef _LIBCPP_HAS_NO_STDIN
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istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin));
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wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin));
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#endif
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#ifndef _LIBCPP_HAS_NO_STDOUT
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ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout));
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wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout));
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#endif
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ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr));
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::new(clog) ostream(cerr_ptr->rdbuf());
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wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr));
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::new(wclog) wostream(wcerr_ptr->rdbuf());
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#if !defined(_LIBCPP_HAS_NO_STDIN) && !defined(_LIBCPP_HAS_NO_STDOUT)
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cin_ptr->tie(cout_ptr);
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wcin_ptr->tie(wcout_ptr);
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#endif
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_VSTD::unitbuf(*cerr_ptr);
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_VSTD::unitbuf(*wcerr_ptr);
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#ifndef _LIBCPP_HAS_NO_STDOUT
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cerr_ptr->tie(cout_ptr);
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wcerr_ptr->tie(wcout_ptr);
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#endif
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}
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ios_base::Init::~Init()
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{
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#ifndef _LIBCPP_HAS_NO_STDOUT
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ostream* cout_ptr = reinterpret_cast<ostream*>(cout);
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wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout);
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cout_ptr->flush();
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wcout_ptr->flush();
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#endif
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ostream* clog_ptr = reinterpret_cast<ostream*>(clog);
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wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog);
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clog_ptr->flush();
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wclog_ptr->flush();
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}
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_LIBCPP_END_NAMESPACE_STD
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