1 //===------------------------ iostream.cpp --------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "__std_stream"
14 _LIBCPP_BEGIN_NAMESPACE_STD
16 #ifndef _LIBCPP_HAS_NO_STDIN
17 _ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin[sizeof(istream)]
18 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
19 __asm__("?cin@__1@std@@3V?$basic_istream@DU?$char_traits@D@__1@std@@@12@A")
22 _ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin[sizeof(__stdinbuf <char>)];
23 static mbstate_t mb_cin;
24 _ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin[sizeof(wistream)]
25 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
26 __asm__("?wcin@__1@std@@3V?$basic_istream@_WU?$char_traits@_W@__1@std@@@12@A")
29 _ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin[sizeof(__stdinbuf <wchar_t>)];
30 static mbstate_t mb_wcin;
33 #ifndef _LIBCPP_HAS_NO_STDOUT
34 _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)]
35 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
36 __asm__("?cout@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
39 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
40 static mbstate_t mb_cout;
41 _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)]
42 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
43 __asm__("?wcout@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
46 _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
47 static mbstate_t mb_wcout;
50 _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)]
51 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
52 __asm__("?cerr@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
55 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
56 static mbstate_t mb_cerr;
57 _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)]
58 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
59 __asm__("?wcerr@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
62 _ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
63 static mbstate_t mb_wcerr;
65 _ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)]
66 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
67 __asm__("?clog@__1@std@@3V?$basic_ostream@DU?$char_traits@D@__1@std@@@12@A")
70 _ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)]
71 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
72 __asm__("?wclog@__1@std@@3V?$basic_ostream@_WU?$char_traits@_W@__1@std@@@12@A")
76 ios_base::Init __start_std_streams;
78 ios_base::Init::Init()
80 #ifndef _LIBCPP_HAS_NO_STDIN
81 istream* cin_ptr = ::new(cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin));
82 wistream* wcin_ptr = ::new(wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin));
84 #ifndef _LIBCPP_HAS_NO_STDOUT
85 ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout));
86 wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout));
88 ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr));
89 ::new(clog) ostream(cerr_ptr->rdbuf());
90 wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr));
91 ::new(wclog) wostream(wcerr_ptr->rdbuf());
93 #if !defined(_LIBCPP_HAS_NO_STDIN) && !defined(_LIBCPP_HAS_NO_STDOUT)
94 cin_ptr->tie(cout_ptr);
95 wcin_ptr->tie(wcout_ptr);
97 _VSTD::unitbuf(*cerr_ptr);
98 _VSTD::unitbuf(*wcerr_ptr);
99 #ifndef _LIBCPP_HAS_NO_STDOUT
100 cerr_ptr->tie(cout_ptr);
101 wcerr_ptr->tie(wcout_ptr);
105 ios_base::Init::~Init()
107 #ifndef _LIBCPP_HAS_NO_STDOUT
108 ostream* cout_ptr = reinterpret_cast<ostream*>(cout);
109 wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout);
114 ostream* clog_ptr = reinterpret_cast<ostream*>(clog);
115 wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog);
120 _LIBCPP_END_NAMESPACE_STD