diff options
Diffstat (limited to 'contrib/libc++/src/iostream.cpp')
| -rw-r--r-- | contrib/libc++/src/iostream.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/contrib/libc++/src/iostream.cpp b/contrib/libc++/src/iostream.cpp new file mode 100644 index 0000000..e073aec --- /dev/null +++ b/contrib/libc++/src/iostream.cpp @@ -0,0 +1,88 @@ +//===------------------------ iostream.cpp --------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "__std_stream" +#include "string" +#include "new" + +_LIBCPP_BEGIN_NAMESPACE_STD + +#ifndef _LIBCPP_HAS_NO_STDIN +_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin [sizeof(istream)]; +_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)]; +static mbstate_t mb_cin; +_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin [sizeof(wistream)]; +_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin [sizeof(__stdinbuf <wchar_t>)]; +static mbstate_t mb_wcin; +#endif + +#ifndef _LIBCPP_HAS_NO_STDOUT +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]; +_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; +static mbstate_t mb_cout; +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]; +_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; +static mbstate_t mb_wcout; +#endif + +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]; +_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; +static mbstate_t mb_cerr; +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]; +_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; +static mbstate_t mb_wcerr; + +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]; +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]; + +ios_base::Init __start_std_streams; + +ios_base::Init::Init() +{ +#ifndef _LIBCPP_HAS_NO_STDIN + istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin)); + wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin)); +#endif +#ifndef _LIBCPP_HAS_NO_STDOUT + ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout)); + wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout)); +#endif + ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr)); + ::new(clog) ostream(cerr_ptr->rdbuf()); + wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr)); + ::new(wclog) wostream(wcerr_ptr->rdbuf()); + +#if !defined(_LIBCPP_HAS_NO_STDIN) && !defined(_LIBCPP_HAS_NO_STDOUT) + cin_ptr->tie(cout_ptr); + wcin_ptr->tie(wcout_ptr); +#endif + _VSTD::unitbuf(*cerr_ptr); + _VSTD::unitbuf(*wcerr_ptr); +#ifndef _LIBCPP_HAS_NO_STDOUT + cerr_ptr->tie(cout_ptr); + wcerr_ptr->tie(wcout_ptr); +#endif +} + +ios_base::Init::~Init() +{ +#ifndef _LIBCPP_HAS_NO_STDOUT + ostream* cout_ptr = reinterpret_cast<ostream*>(cout); + wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout); + cout_ptr->flush(); + wcout_ptr->flush(); +#endif + + ostream* clog_ptr = reinterpret_cast<ostream*>(clog); + wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog); + clog_ptr->flush(); + wclog_ptr->flush(); +} + +_LIBCPP_END_NAMESPACE_STD |
