diff options
author | Andrey Khalyavin <halyavin@gmail.com> | 2022-02-10 16:46:29 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:46:29 +0300 |
commit | f773626848a7c7456803654292e716b83d69cc12 (patch) | |
tree | db052dfcf9134f492bdbb962cb6c16cea58e1ed3 /contrib/libs/cxxsupp/libcxx/src/iostream.cpp | |
parent | f43ab775d197d300eb67bd4497632b909cd7c2a5 (diff) | |
download | ydb-f773626848a7c7456803654292e716b83d69cc12.tar.gz |
Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/src/iostream.cpp')
-rw-r--r-- | contrib/libs/cxxsupp/libcxx/src/iostream.cpp | 394 |
1 files changed, 197 insertions, 197 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/src/iostream.cpp b/contrib/libs/cxxsupp/libcxx/src/iostream.cpp index 5c1f5ed9ee..a41d643ab5 100644 --- a/contrib/libs/cxxsupp/libcxx/src/iostream.cpp +++ b/contrib/libs/cxxsupp/libcxx/src/iostream.cpp @@ -1,211 +1,211 @@ -//===------------------------ iostream.cpp --------------------------------===// -// +//===------------------------ iostream.cpp --------------------------------===// +// // 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 -// -//===----------------------------------------------------------------------===// - -#include "__std_stream" -#include "__locale" -#include "string" -#include "new" - -#define _str(s) #s -#define str(s) _str(s) +// +//===----------------------------------------------------------------------===// + +#include "__std_stream" +#include "__locale" +#include "string" +#include "new" + +#define _str(s) #s +#define str(s) _str(s) #define _LIBCPP_ABI_NAMESPACE_STR str(_LIBCPP_ABI_NAMESPACE) - -_LIBCPP_BEGIN_NAMESPACE_STD - -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (istream) char _cin [sizeof(istream)]; -_LIBCPP_FUNC_VIS istream& cin = *reinterpret_cast<istream*>(_cin); -#else -_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin[sizeof(istream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (istream) char _cin [sizeof(istream)]; +_LIBCPP_FUNC_VIS istream& cin = *reinterpret_cast<istream*>(_cin); +#else +_ALIGNAS_TYPE (istream) _LIBCPP_FUNC_VIS char cin[sizeof(istream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?cin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin[sizeof(__stdinbuf <char>)]; -static mbstate_t mb_cin; - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (wistream) char _wcin [sizeof(wistream)]; -_LIBCPP_FUNC_VIS wistream& wcin = *reinterpret_cast<wistream*>(_wcin); -#else -_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin[sizeof(wistream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin[sizeof(__stdinbuf <char>)]; +static mbstate_t mb_cin; + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (wistream) char _wcin [sizeof(wistream)]; +_LIBCPP_FUNC_VIS wistream& wcin = *reinterpret_cast<wistream*>(_wcin); +#else +_ALIGNAS_TYPE (wistream) _LIBCPP_FUNC_VIS char wcin[sizeof(wistream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?wcin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin[sizeof(__stdinbuf <wchar_t>)]; -static mbstate_t mb_wcin; -#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS - -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (ostream) char _cout[sizeof(ostream)]; -_LIBCPP_FUNC_VIS ostream& cout = *reinterpret_cast<ostream*>(_cout); -#else -_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdinbuf<wchar_t> ) static char __wcin[sizeof(__stdinbuf <wchar_t>)]; +static mbstate_t mb_wcin; +#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS + +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (ostream) char _cout[sizeof(ostream)]; +_LIBCPP_FUNC_VIS ostream& cout = *reinterpret_cast<ostream*>(_cout); +#else +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cout[sizeof(ostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?cout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; -static mbstate_t mb_cout; - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (wostream) char _wcout[sizeof(wostream)]; -_LIBCPP_FUNC_VIS wostream& wcout = *reinterpret_cast<wostream*>(_wcout); -#else -_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)]; +static mbstate_t mb_cout; + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (wostream) char _wcout[sizeof(wostream)]; +_LIBCPP_FUNC_VIS wostream& wcout = *reinterpret_cast<wostream*>(_wcout); +#else +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcout[sizeof(wostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?wcout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; -static mbstate_t mb_wcout; -#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS - -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (ostream) char _cerr[sizeof(ostream)]; -_LIBCPP_FUNC_VIS ostream& cerr = *reinterpret_cast<ostream*>(_cerr); -#else -_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)]; +static mbstate_t mb_wcout; +#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS + +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (ostream) char _cerr[sizeof(ostream)]; +_LIBCPP_FUNC_VIS ostream& cerr = *reinterpret_cast<ostream*>(_cerr); +#else +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char cerr[sizeof(ostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?cerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; -static mbstate_t mb_cerr; - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (wostream) char _wcerr[sizeof(wostream)]; -_LIBCPP_FUNC_VIS wostream& wcerr = *reinterpret_cast<wostream*>(_wcerr); -#else -_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)]; +static mbstate_t mb_cerr; + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (wostream) char _wcerr[sizeof(wostream)]; +_LIBCPP_FUNC_VIS wostream& wcerr = *reinterpret_cast<wostream*>(_wcerr); +#else +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wcerr[sizeof(wostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?wcerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; -static mbstate_t mb_wcerr; -#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS - -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (ostream) char _clog[sizeof(ostream)]; -_LIBCPP_FUNC_VIS ostream& clog = *reinterpret_cast<ostream*>(_clog); -#else -_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif +_ALIGNAS_TYPE (__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)]; +static mbstate_t mb_wcerr; +#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS + +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (ostream) char _clog[sizeof(ostream)]; +_LIBCPP_FUNC_VIS ostream& clog = *reinterpret_cast<ostream*>(_clog); +#else +_ALIGNAS_TYPE (ostream) _LIBCPP_FUNC_VIS char clog[sizeof(ostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?clog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS -#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) -_ALIGNAS_TYPE (wostream) char _wclog[sizeof(wostream)]; -_LIBCPP_FUNC_VIS wostream& wclog = *reinterpret_cast<wostream*>(_wclog); -#else -_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)] -#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) +#endif +; +#endif + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS +#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__) +_ALIGNAS_TYPE (wostream) char _wclog[sizeof(wostream)]; +_LIBCPP_FUNC_VIS wostream& wclog = *reinterpret_cast<wostream*>(_wclog); +#else +_ALIGNAS_TYPE (wostream) _LIBCPP_FUNC_VIS char wclog[sizeof(wostream)] +#if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__) __asm__("?wclog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR "@std@@@12@A") -#endif -; -#endif -#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS - -// Hacky way to make the compiler believe that we're inside a system header so -// it doesn't flag the use of the init_priority attribute with a value that's -// reserved for the implementation (we're the implementation). -#ifndef _LIBCPP_COMPILER_MSVC -# 80 "iostream.cpp" 1 3 -#endif -_LIBCPP_HIDDEN ios_base::Init __start_std_streams _LIBCPP_INIT_PRIORITY_MAX; -#ifndef _LIBCPP_COMPILER_MSVC -# 82 "iostream.cpp" 2 -#endif - -// On Windows the TLS storage for locales needs to be initialized before we create -// the standard streams, otherwise it may not be alive during program termination -// when we flush the streams. -static void force_locale_initialization() { -#if defined(_LIBCPP_MSVCRT_LIKE) - static bool once = []() { - auto loc = newlocale(LC_ALL_MASK, "C", 0); - { - __libcpp_locale_guard g(loc); // forces initialization of locale TLS - ((void)g); - } - freelocale(loc); - return true; - }(); - ((void)once); -#endif -} - -class DoIOSInit { -public: +#endif +; +#endif +#endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS + +// Hacky way to make the compiler believe that we're inside a system header so +// it doesn't flag the use of the init_priority attribute with a value that's +// reserved for the implementation (we're the implementation). +#ifndef _LIBCPP_COMPILER_MSVC +# 80 "iostream.cpp" 1 3 +#endif +_LIBCPP_HIDDEN ios_base::Init __start_std_streams _LIBCPP_INIT_PRIORITY_MAX; +#ifndef _LIBCPP_COMPILER_MSVC +# 82 "iostream.cpp" 2 +#endif + +// On Windows the TLS storage for locales needs to be initialized before we create +// the standard streams, otherwise it may not be alive during program termination +// when we flush the streams. +static void force_locale_initialization() { +#if defined(_LIBCPP_MSVCRT_LIKE) + static bool once = []() { + auto loc = newlocale(LC_ALL_MASK, "C", 0); + { + __libcpp_locale_guard g(loc); // forces initialization of locale TLS + ((void)g); + } + freelocale(loc); + return true; + }(); + ((void)once); +#endif +} + +class DoIOSInit { +public: DoIOSInit(); ~DoIOSInit(); -}; - -DoIOSInit::DoIOSInit() -{ - force_locale_initialization(); - - istream* cin_ptr = ::new(&cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin)); - ostream* cout_ptr = ::new(&cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout)); - ostream* cerr_ptr = ::new(&cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr)); - ::new(&clog) ostream(cerr_ptr->rdbuf()); - cin_ptr->tie(cout_ptr); - _VSTD::unitbuf(*cerr_ptr); - cerr_ptr->tie(cout_ptr); - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS - wistream* wcin_ptr = ::new(&wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin)); - wostream* wcout_ptr = ::new(&wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout)); - wostream* wcerr_ptr = ::new(&wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr)); - ::new(&wclog) wostream(wcerr_ptr->rdbuf()); - - wcin_ptr->tie(wcout_ptr); - _VSTD::unitbuf(*wcerr_ptr); - wcerr_ptr->tie(wcout_ptr); -#endif -} - -DoIOSInit::~DoIOSInit() -{ - ostream* cout_ptr = reinterpret_cast<ostream*>(&cout); - cout_ptr->flush(); - ostream* clog_ptr = reinterpret_cast<ostream*>(&clog); - clog_ptr->flush(); - -#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS - wostream* wcout_ptr = reinterpret_cast<wostream*>(&wcout); - wcout_ptr->flush(); - wostream* wclog_ptr = reinterpret_cast<wostream*>(&wclog); - wclog_ptr->flush(); -#endif -} - -ios_base::Init::Init() -{ - static DoIOSInit init_the_streams; // gets initialized once -} - -ios_base::Init::~Init() -{ -} - -_LIBCPP_END_NAMESPACE_STD +}; + +DoIOSInit::DoIOSInit() +{ + force_locale_initialization(); + + istream* cin_ptr = ::new(&cin) istream(::new(__cin) __stdinbuf <char>(stdin, &mb_cin)); + ostream* cout_ptr = ::new(&cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, &mb_cout)); + ostream* cerr_ptr = ::new(&cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, &mb_cerr)); + ::new(&clog) ostream(cerr_ptr->rdbuf()); + cin_ptr->tie(cout_ptr); + _VSTD::unitbuf(*cerr_ptr); + cerr_ptr->tie(cout_ptr); + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS + wistream* wcin_ptr = ::new(&wcin) wistream(::new(__wcin) __stdinbuf <wchar_t>(stdin, &mb_wcin)); + wostream* wcout_ptr = ::new(&wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout)); + wostream* wcerr_ptr = ::new(&wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr)); + ::new(&wclog) wostream(wcerr_ptr->rdbuf()); + + wcin_ptr->tie(wcout_ptr); + _VSTD::unitbuf(*wcerr_ptr); + wcerr_ptr->tie(wcout_ptr); +#endif +} + +DoIOSInit::~DoIOSInit() +{ + ostream* cout_ptr = reinterpret_cast<ostream*>(&cout); + cout_ptr->flush(); + ostream* clog_ptr = reinterpret_cast<ostream*>(&clog); + clog_ptr->flush(); + +#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS + wostream* wcout_ptr = reinterpret_cast<wostream*>(&wcout); + wcout_ptr->flush(); + wostream* wclog_ptr = reinterpret_cast<wostream*>(&wclog); + wclog_ptr->flush(); +#endif +} + +ios_base::Init::Init() +{ + static DoIOSInit init_the_streams; // gets initialized once +} + +ios_base::Init::~Init() +{ +} + +_LIBCPP_END_NAMESPACE_STD |