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author | android-build-team Robot <android-build-team-robot@google.com> | 2021-04-03 03:08:37 +0000 |
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committer | android-build-team Robot <android-build-team-robot@google.com> | 2021-04-03 03:08:37 +0000 |
commit | 5a9f7a5fe1d032b108573643d45998662c535d69 (patch) | |
tree | 538f2862490075cda112e6e17786a116eed28768 /current/sources/cxx-stl/llvm-libc++/include/istream | |
parent | 3e57e9ac4ee653989a82a45ce6f24b5fef92d975 (diff) | |
parent | fa91e13f76f3f4f269e0c9bbb2c90d1f089d62f2 (diff) | |
download | ndk-5a9f7a5fe1d032b108573643d45998662c535d69.tar.gz |
Snap for 7256110 from fa91e13f76f3f4f269e0c9bbb2c90d1f089d62f2 to sc-releaseandroid-vts-12.0_r9android-vts-12.0_r8android-vts-12.0_r7android-vts-12.0_r6android-vts-12.0_r5android-vts-12.0_r4android-vts-12.0_r3android-vts-12.0_r2android-vts-12.0_r12android-vts-12.0_r11android-vts-12.0_r10android-vts-12.0_r1android-security-12.0.0_r60android-security-12.0.0_r59android-security-12.0.0_r58android-security-12.0.0_r57android-security-12.0.0_r56android-security-12.0.0_r55android-security-12.0.0_r54android-security-12.0.0_r53android-security-12.0.0_r52android-security-12.0.0_r51android-security-12.0.0_r50android-security-12.0.0_r49android-security-12.0.0_r48android-security-12.0.0_r47android-security-12.0.0_r46android-security-12.0.0_r45android-security-12.0.0_r44android-security-12.0.0_r43android-security-12.0.0_r42android-security-12.0.0_r41android-security-12.0.0_r40android-security-12.0.0_r39android-security-12.0.0_r38android-security-12.0.0_r37android-security-12.0.0_r36android-security-12.0.0_r35android-security-12.0.0_r34android-platform-12.0.0_r9android-platform-12.0.0_r8android-platform-12.0.0_r7android-platform-12.0.0_r6android-platform-12.0.0_r5android-platform-12.0.0_r4android-platform-12.0.0_r32android-platform-12.0.0_r31android-platform-12.0.0_r30android-platform-12.0.0_r3android-platform-12.0.0_r29android-platform-12.0.0_r28android-platform-12.0.0_r27android-platform-12.0.0_r26android-platform-12.0.0_r25android-platform-12.0.0_r24android-platform-12.0.0_r23android-platform-12.0.0_r22android-platform-12.0.0_r21android-platform-12.0.0_r20android-platform-12.0.0_r2android-platform-12.0.0_r19android-platform-12.0.0_r18android-platform-12.0.0_r17android-platform-12.0.0_r16android-platform-12.0.0_r15android-platform-12.0.0_r14android-platform-12.0.0_r13android-platform-12.0.0_r12android-platform-12.0.0_r11android-platform-12.0.0_r10android-platform-12.0.0_r1android-cts-12.0_r9android-cts-12.0_r8android-cts-12.0_r7android-cts-12.0_r6android-cts-12.0_r5android-cts-12.0_r4android-cts-12.0_r3android-cts-12.0_r2android-cts-12.0_r12android-cts-12.0_r11android-cts-12.0_r10android-cts-12.0_r1android-12.0.0_r9android-12.0.0_r8android-12.0.0_r34android-12.0.0_r33android-12.0.0_r31android-12.0.0_r30android-12.0.0_r3android-12.0.0_r25android-12.0.0_r2android-12.0.0_r11android-12.0.0_r10android-12.0.0_r1android12-tests-releaseandroid12-security-releaseandroid12-s5-releaseandroid12-s4-releaseandroid12-s3-releaseandroid12-s2-releaseandroid12-s1-releaseandroid12-releaseandroid12-platform-releaseandroid12-gsi
Change-Id: I99f5295076a3be68c535df4df151557087d1ee3f
Diffstat (limited to 'current/sources/cxx-stl/llvm-libc++/include/istream')
-rw-r--r-- | current/sources/cxx-stl/llvm-libc++/include/istream | 1651 |
1 files changed, 1651 insertions, 0 deletions
diff --git a/current/sources/cxx-stl/llvm-libc++/include/istream b/current/sources/cxx-stl/llvm-libc++/include/istream new file mode 100644 index 000000000..bfbe5f247 --- /dev/null +++ b/current/sources/cxx-stl/llvm-libc++/include/istream @@ -0,0 +1,1651 @@ +// -*- C++ -*- +//===--------------------------- istream ----------------------------------===// +// +// 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_ISTREAM +#define _LIBCPP_ISTREAM + +/* + istream synopsis + +template <class charT, class traits = char_traits<charT> > +class basic_istream + : virtual public basic_ios<charT,traits> +{ +public: + // types (inherited from basic_ios (27.5.4)): + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + + // 27.7.1.1.1 Constructor/destructor: + explicit basic_istream(basic_streambuf<char_type, traits_type>* sb); + basic_istream(basic_istream&& rhs); + virtual ~basic_istream(); + + // 27.7.1.1.2 Assign/swap: + basic_istream& operator=(basic_istream&& rhs); + void swap(basic_istream& rhs); + + // 27.7.1.1.3 Prefix/suffix: + class sentry; + + // 27.7.1.2 Formatted input: + basic_istream& operator>>(basic_istream& (*pf)(basic_istream&)); + basic_istream& operator>>(basic_ios<char_type, traits_type>& + (*pf)(basic_ios<char_type, traits_type>&)); + basic_istream& operator>>(ios_base& (*pf)(ios_base&)); + basic_istream& operator>>(basic_streambuf<char_type, traits_type>* sb); + basic_istream& operator>>(bool& n); + basic_istream& operator>>(short& n); + basic_istream& operator>>(unsigned short& n); + basic_istream& operator>>(int& n); + basic_istream& operator>>(unsigned int& n); + basic_istream& operator>>(long& n); + basic_istream& operator>>(unsigned long& n); + basic_istream& operator>>(long long& n); + basic_istream& operator>>(unsigned long long& n); + basic_istream& operator>>(float& f); + basic_istream& operator>>(double& f); + basic_istream& operator>>(long double& f); + basic_istream& operator>>(void*& p); + + // 27.7.1.3 Unformatted input: + streamsize gcount() const; + int_type get(); + basic_istream& get(char_type& c); + basic_istream& get(char_type* s, streamsize n); + basic_istream& get(char_type* s, streamsize n, char_type delim); + basic_istream& get(basic_streambuf<char_type,traits_type>& sb); + basic_istream& get(basic_streambuf<char_type,traits_type>& sb, char_type delim); + + basic_istream& getline(char_type* s, streamsize n); + basic_istream& getline(char_type* s, streamsize n, char_type delim); + + basic_istream& ignore(streamsize n = 1, int_type delim = traits_type::eof()); + int_type peek(); + basic_istream& read (char_type* s, streamsize n); + streamsize readsome(char_type* s, streamsize n); + + basic_istream& putback(char_type c); + basic_istream& unget(); + int sync(); + + pos_type tellg(); + basic_istream& seekg(pos_type); + basic_istream& seekg(off_type, ios_base::seekdir); +protected: + basic_istream(const basic_istream& rhs) = delete; + basic_istream(basic_istream&& rhs); + // 27.7.2.1.2 Assign/swap: + basic_istream& operator=(const basic_istream& rhs) = delete; + basic_istream& operator=(basic_istream&& rhs); + void swap(basic_istream& rhs); +}; + +// 27.7.1.2.3 character extraction templates: +template<class charT, class traits> + basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT&); + +template<class traits> + basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char&); + +template<class traits> + basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char&); + +template<class charT, class traits> + basic_istream<charT,traits>& operator>>(basic_istream<charT,traits>&, charT*); + +template<class traits> + basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, unsigned char*); + +template<class traits> + basic_istream<char,traits>& operator>>(basic_istream<char,traits>&, signed char*); + +template <class charT, class traits> + void + swap(basic_istream<charT, traits>& x, basic_istream<charT, traits>& y); + +typedef basic_istream<char> istream; +typedef basic_istream<wchar_t> wistream; + +template <class charT, class traits = char_traits<charT> > +class basic_iostream : + public basic_istream<charT,traits>, + public basic_ostream<charT,traits> +{ +public: + // types: + typedef charT char_type; + typedef traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + + // constructor/destructor + explicit basic_iostream(basic_streambuf<char_type, traits_type>* sb); + basic_iostream(basic_iostream&& rhs); + virtual ~basic_iostream(); + + // assign/swap + basic_iostream& operator=(basic_iostream&& rhs); + void swap(basic_iostream& rhs); +}; + +template <class charT, class traits> + void + swap(basic_iostream<charT, traits>& x, basic_iostream<charT, traits>& y); + +typedef basic_iostream<char> iostream; +typedef basic_iostream<wchar_t> wiostream; + +template <class charT, class traits> + basic_istream<charT,traits>& + ws(basic_istream<charT,traits>& is); + +template <class charT, class traits, class T> + basic_istream<charT, traits>& + operator>>(basic_istream<charT, traits>&& is, T& x); + +} // std + +*/ + +#include <__config> +#include <version> +#include <ostream> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + + +_LIBCPP_BEGIN_NAMESPACE_STD + +template <class _CharT, class _Traits> +class _LIBCPP_TEMPLATE_VIS basic_istream + : virtual public basic_ios<_CharT, _Traits> +{ + streamsize __gc_; +public: + // types (inherited from basic_ios (27.5.4)): + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + + // 27.7.1.1.1 Constructor/destructor: + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + explicit basic_istream(basic_streambuf<char_type, traits_type>* __sb) : __gc_(0) + { this->init(__sb); } + virtual ~basic_istream(); +protected: +#ifndef _LIBCPP_CXX03_LANG + inline _LIBCPP_INLINE_VISIBILITY + basic_istream(basic_istream&& __rhs); + + // 27.7.1.1.2 Assign/swap: + inline _LIBCPP_INLINE_VISIBILITY + basic_istream& operator=(basic_istream&& __rhs); +#endif + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + void swap(basic_istream& __rhs) { + _VSTD::swap(__gc_, __rhs.__gc_); + basic_ios<char_type, traits_type>::swap(__rhs); + } + +#ifndef _LIBCPP_CXX03_LANG + basic_istream (const basic_istream& __rhs) = delete; + basic_istream& operator=(const basic_istream& __rhs) = delete; +#endif +public: + + // 27.7.1.1.3 Prefix/suffix: + class _LIBCPP_TEMPLATE_VIS sentry; + + // 27.7.1.2 Formatted input: + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& operator>>(basic_istream& (*__pf)(basic_istream&)) + { return __pf(*this); } + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& operator>>(basic_ios<char_type, traits_type>& + (*__pf)(basic_ios<char_type, traits_type>&)) + { __pf(*this); return *this; } + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& operator>>(ios_base& (*__pf)(ios_base&)) + { __pf(*this); return *this; } + + basic_istream& operator>>(basic_streambuf<char_type, traits_type>* __sb); + basic_istream& operator>>(bool& __n); + basic_istream& operator>>(short& __n); + basic_istream& operator>>(unsigned short& __n); + basic_istream& operator>>(int& __n); + basic_istream& operator>>(unsigned int& __n); + basic_istream& operator>>(long& __n); + basic_istream& operator>>(unsigned long& __n); + basic_istream& operator>>(long long& __n); + basic_istream& operator>>(unsigned long long& __n); + basic_istream& operator>>(float& __f); + basic_istream& operator>>(double& __f); + basic_istream& operator>>(long double& __f); + basic_istream& operator>>(void*& __p); + + // 27.7.1.3 Unformatted input: + _LIBCPP_INLINE_VISIBILITY + streamsize gcount() const {return __gc_;} + int_type get(); + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& get(char_type& __c) { + int_type __ch = get(); + if (__ch != traits_type::eof()) + __c = traits_type::to_char_type(__ch); + return *this; + } + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& get(char_type* __s, streamsize __n) + { return get(__s, __n, this->widen('\n')); } + + basic_istream& get(char_type* __s, streamsize __n, char_type __dlm); + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& get(basic_streambuf<char_type, traits_type>& __sb) + { return get(__sb, this->widen('\n')); } + + basic_istream& get(basic_streambuf<char_type, traits_type>& __sb, char_type __dlm); + + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + basic_istream& getline(char_type* __s, streamsize __n) + { return getline(__s, __n, this->widen('\n')); } + + basic_istream& getline(char_type* __s, streamsize __n, char_type __dlm); + + basic_istream& ignore(streamsize __n = 1, int_type __dlm = traits_type::eof()); + int_type peek(); + basic_istream& read (char_type* __s, streamsize __n); + streamsize readsome(char_type* __s, streamsize __n); + + basic_istream& putback(char_type __c); + basic_istream& unget(); + int sync(); + + pos_type tellg(); + basic_istream& seekg(pos_type __pos); + basic_istream& seekg(off_type __off, ios_base::seekdir __dir); +}; + +template <class _CharT, class _Traits> +class _LIBCPP_TEMPLATE_VIS basic_istream<_CharT, _Traits>::sentry +{ + bool __ok_; + + sentry(const sentry&); // = delete; + sentry& operator=(const sentry&); // = delete; + +public: + explicit sentry(basic_istream<_CharT, _Traits>& __is, bool __noskipws = false); +// ~sentry() = default; + + _LIBCPP_INLINE_VISIBILITY + _LIBCPP_EXPLICIT + operator bool() const {return __ok_;} +}; + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>::sentry::sentry(basic_istream<_CharT, _Traits>& __is, + bool __noskipws) + : __ok_(false) +{ + if (__is.good()) + { + if (__is.tie()) + __is.tie()->flush(); + if (!__noskipws && (__is.flags() & ios_base::skipws)) + { + typedef istreambuf_iterator<_CharT, _Traits> _Ip; + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); + _Ip __i(__is); + _Ip __eof; + for (; __i != __eof; ++__i) + if (!__ct.is(__ct.space, *__i)) + break; + if (__i == __eof) + __is.setstate(ios_base::failbit | ios_base::eofbit); + } + __ok_ = __is.good(); + } + else + __is.setstate(ios_base::failbit); +} + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>::basic_istream(basic_istream&& __rhs) + : __gc_(__rhs.__gc_) +{ + __rhs.__gc_ = 0; + this->move(__rhs); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator=(basic_istream&& __rhs) +{ + swap(__rhs); + return *this; +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>::~basic_istream() +{ +} + +template <class _Tp, class _CharT, class _Traits> +_LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +__input_arithmetic(basic_istream<_CharT, _Traits>& __is, _Tp& __n) { + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __s(__is); + if (__s) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + typedef istreambuf_iterator<_CharT, _Traits> _Ip; + typedef num_get<_CharT, _Ip> _Fp; + use_facet<_Fp>(__is.getloc()).get(_Ip(__is), _Ip(), __is, __state, __n); +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(unsigned short& __n) +{ + return _VSTD::__input_arithmetic<unsigned short>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(unsigned int& __n) +{ + return _VSTD::__input_arithmetic<unsigned int>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(long& __n) +{ + return _VSTD::__input_arithmetic<long>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(unsigned long& __n) +{ + return _VSTD::__input_arithmetic<unsigned long>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(long long& __n) +{ + return _VSTD::__input_arithmetic<long long>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(unsigned long long& __n) +{ + return _VSTD::__input_arithmetic<unsigned long long>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(float& __n) +{ + return _VSTD::__input_arithmetic<float>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(double& __n) +{ + return _VSTD::__input_arithmetic<double>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(long double& __n) +{ + return _VSTD::__input_arithmetic<long double>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(bool& __n) +{ + return _VSTD::__input_arithmetic<bool>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(void*& __n) +{ + return _VSTD::__input_arithmetic<void*>(*this, __n); +} + +template <class _Tp, class _CharT, class _Traits> +_LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +__input_arithmetic_with_numeric_limits(basic_istream<_CharT, _Traits>& __is, _Tp& __n) { + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __s(__is); + if (__s) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + typedef istreambuf_iterator<_CharT, _Traits> _Ip; + typedef num_get<_CharT, _Ip> _Fp; + long __temp; + use_facet<_Fp>(__is.getloc()).get(_Ip(__is), _Ip(), __is, __state, __temp); + if (__temp < numeric_limits<_Tp>::min()) + { + __state |= ios_base::failbit; + __n = numeric_limits<_Tp>::min(); + } + else if (__temp > numeric_limits<_Tp>::max()) + { + __state |= ios_base::failbit; + __n = numeric_limits<_Tp>::max(); + } + else + { + __n = static_cast<_Tp>(__temp); + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + __is.setstate(__state); + } + return __is; +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(short& __n) +{ + return _VSTD::__input_arithmetic_with_numeric_limits<short>(*this, __n); +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(int& __n) +{ + return _VSTD::__input_arithmetic_with_numeric_limits<int>(*this, __n); +} + +template<class _CharT, class _Traits> +_LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +__input_c_string(basic_istream<_CharT, _Traits>& __is, _CharT* __p, size_t __n) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + _CharT* __s = __p; + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); + while (__s != __p + (__n-1)) + { + typename _Traits::int_type __i = __is.rdbuf()->sgetc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + _CharT __ch = _Traits::to_char_type(__i); + if (__ct.is(__ct.space, __ch)) + break; + *__s++ = __ch; + __is.rdbuf()->sbumpc(); + } + *__s = _CharT(); + __is.width(0); + if (__s == __p) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +#if _LIBCPP_STD_VER > 17 + +template<class _CharT, class _Traits, size_t _Np> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, _CharT (&__buf)[_Np]) +{ + size_t __n = _Np; + if (__is.width() > 0) + __n = _VSTD::min(size_t(__is.width()), _Np); + return _VSTD::__input_c_string(__is, __buf, __n); +} + +template<class _Traits, size_t _Np> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, unsigned char (&__buf)[_Np]) +{ + return __is >> (char(&)[_Np])__buf; +} + +template<class _Traits, size_t _Np> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, signed char (&__buf)[_Np]) +{ + return __is >> (char(&)[_Np])__buf; +} + +#else + +template<class _CharT, class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, _CharT* __s) +{ + streamsize __n = __is.width(); + if (__n <= 0) + __n = numeric_limits<streamsize>::max() / sizeof(_CharT) - 1; + return _VSTD::__input_c_string(__is, __s, size_t(__n)); +} + +template<class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, unsigned char* __s) +{ + return __is >> (char*)__s; +} + +template<class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, signed char* __s) +{ + return __is >> (char*)__s; +} + +#endif // _LIBCPP_STD_VER > 17 + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, _CharT& __c) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + __state |= ios_base::eofbit | ios_base::failbit; + else + __c = _Traits::to_char_type(__i); +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +template<class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, unsigned char& __c) +{ + return __is >> (char&)__c; +} + +template<class _Traits> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<char, _Traits>& +operator>>(basic_istream<char, _Traits>& __is, signed char& __c) +{ + return __is >> (char&)__c; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::operator>>(basic_streambuf<char_type, traits_type>* __sb) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __s(*this, true); + if (__s) + { + if (__sb) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + while (true) + { + typename traits_type::int_type __i = this->rdbuf()->sgetc(); + if (traits_type::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + if (traits_type::eq_int_type( + __sb->sputc(traits_type::to_char_type(__i)), + traits_type::eof())) + break; + ++__gc_; + this->rdbuf()->sbumpc(); + } + if (__gc_ == 0) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + if (__gc_ == 0) + __state |= ios_base::failbit; + + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::failbit || this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + else + { + __state |= ios_base::failbit; + } + this->setstate(__state); + } + return *this; +} + +template<class _CharT, class _Traits> +typename basic_istream<_CharT, _Traits>::int_type +basic_istream<_CharT, _Traits>::get() +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + int_type __r = traits_type::eof(); + sentry __s(*this, true); + if (__s) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + __r = this->rdbuf()->sbumpc(); + if (traits_type::eq_int_type(__r, traits_type::eof())) + __state |= ios_base::failbit | ios_base::eofbit; + else + __gc_ = 1; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + this->__setstate_nothrow(this->rdstate() | ios_base::badbit); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + this->setstate(__state); + } + return __r; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::get(char_type* __s, streamsize __n, char_type __dlm) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { + if (__n > 0) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + while (__gc_ < __n-1) + { + int_type __i = this->rdbuf()->sgetc(); + if (traits_type::eq_int_type(__i, traits_type::eof())) + { + __state |= ios_base::eofbit; + break; + } + char_type __ch = traits_type::to_char_type(__i); + if (traits_type::eq(__ch, __dlm)) + break; + *__s++ = __ch; + ++__gc_; + this->rdbuf()->sbumpc(); + } + if (__gc_ == 0) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + if (__n > 0) + *__s = char_type(); + throw; + } + } +#endif + } + else + { + __state |= ios_base::failbit; + } + + if (__n > 0) + *__s = char_type(); + this->setstate(__state); + } + if (__n > 0) + *__s = char_type(); + return *this; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::get(basic_streambuf<char_type, traits_type>& __sb, + char_type __dlm) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + while (true) + { + typename traits_type::int_type __i = this->rdbuf()->sgetc(); + if (traits_type::eq_int_type(__i, traits_type::eof())) + { + __state |= ios_base::eofbit; + break; + } + char_type __ch = traits_type::to_char_type(__i); + if (traits_type::eq(__ch, __dlm)) + break; + if (traits_type::eq_int_type(__sb.sputc(__ch), traits_type::eof())) + break; + ++__gc_; + this->rdbuf()->sbumpc(); + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + // according to the spec, exceptions here are caught but not rethrown + } +#endif // _LIBCPP_NO_EXCEPTIONS + if (__gc_ == 0) + __state |= ios_base::failbit; + this->setstate(__state); + } + return *this; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::getline(char_type* __s, streamsize __n, char_type __dlm) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + while (true) + { + typename traits_type::int_type __i = this->rdbuf()->sgetc(); + if (traits_type::eq_int_type(__i, traits_type::eof())) + { + __state |= ios_base::eofbit; + break; + } + char_type __ch = traits_type::to_char_type(__i); + if (traits_type::eq(__ch, __dlm)) + { + this->rdbuf()->sbumpc(); + ++__gc_; + break; + } + if (__gc_ >= __n-1) + { + __state |= ios_base::failbit; + break; + } + *__s++ = __ch; + this->rdbuf()->sbumpc(); + ++__gc_; + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + if (__n > 0) + *__s = char_type(); + if (__gc_ == 0) + __state |= ios_base::failbit; + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + if (__n > 0) + *__s = char_type(); + if (__gc_ == 0) + __state |= ios_base::failbit; + this->setstate(__state); + return *this; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::ignore(streamsize __n, int_type __dlm) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (__n == numeric_limits<streamsize>::max()) + { + while (true) + { + typename traits_type::int_type __i = this->rdbuf()->sbumpc(); + if (traits_type::eq_int_type(__i, traits_type::eof())) + { + __state |= ios_base::eofbit; + break; + } + ++__gc_; + if (traits_type::eq_int_type(__i, __dlm)) + break; + } + } + else + { + while (__gc_ < __n) + { + typename traits_type::int_type __i = this->rdbuf()->sbumpc(); + if (traits_type::eq_int_type(__i, traits_type::eof())) + { + __state |= ios_base::eofbit; + break; + } + ++__gc_; + if (traits_type::eq_int_type(__i, __dlm)) + break; + } + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return *this; +} + +template<class _CharT, class _Traits> +typename basic_istream<_CharT, _Traits>::int_type +basic_istream<_CharT, _Traits>::peek() +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + int_type __r = traits_type::eof(); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + __r = this->rdbuf()->sgetc(); + if (traits_type::eq_int_type(__r, traits_type::eof())) + __state |= ios_base::eofbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return __r; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + __gc_ = this->rdbuf()->sgetn(__s, __n); + if (__gc_ != __n) + __state |= ios_base::failbit | ios_base::eofbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + else + { + __state |= ios_base::failbit; + } + this->setstate(__state); + return *this; +} + +template<class _CharT, class _Traits> +streamsize +basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n) +{ + ios_base::iostate __state = ios_base::goodbit; + __gc_ = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + streamsize __c = this->rdbuf()->in_avail(); + switch (__c) + { + case -1: + __state |= ios_base::eofbit; + break; + case 0: + break; + default: + __n = _VSTD::min(__c, __n); + __gc_ = this->rdbuf()->sgetn(__s, __n); + if (__gc_ != __n) + __state |= ios_base::failbit | ios_base::eofbit; + break; + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + else + { + __state |= ios_base::failbit; + } + this->setstate(__state); + return __gc_; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::putback(char_type __c) +{ + ios_base::iostate __state = this->rdstate() & ~ios_base::eofbit; + __gc_ = 0; + this->clear(__state); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (this->rdbuf() == 0 || this->rdbuf()->sputbackc(__c) == traits_type::eof()) + __state |= ios_base::badbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + else + { + __state |= ios_base::failbit; + } + this->setstate(__state); + return *this; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::unget() +{ + ios_base::iostate __state = this->rdstate() & ~ios_base::eofbit; + __gc_ = 0; + this->clear(__state); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (this->rdbuf() == 0 || this->rdbuf()->sungetc() == traits_type::eof()) + __state |= ios_base::badbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + } + else + { + __state |= ios_base::failbit; + } + this->setstate(__state); + return *this; +} + +template<class _CharT, class _Traits> +int +basic_istream<_CharT, _Traits>::sync() +{ + ios_base::iostate __state = ios_base::goodbit; + int __r = 0; + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (this->rdbuf() == 0) + return -1; + if (this->rdbuf()->pubsync() == -1) + { + __state |= ios_base::badbit; + return -1; + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return __r; +} + +template<class _CharT, class _Traits> +typename basic_istream<_CharT, _Traits>::pos_type +basic_istream<_CharT, _Traits>::tellg() +{ + ios_base::iostate __state = ios_base::goodbit; + pos_type __r(-1); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + __r = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::in); +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return __r; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::seekg(pos_type __pos) +{ + ios_base::iostate __state = this->rdstate() & ~ios_base::eofbit; + this->clear(__state); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (this->rdbuf()->pubseekpos(__pos, ios_base::in) == pos_type(-1)) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return *this; +} + +template<class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir) +{ + ios_base::iostate __state = this->rdstate() & ~ios_base::eofbit; + this->clear(__state); + sentry __sen(*this, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + if (this->rdbuf()->pubseekoff(__off, __dir, ios_base::in) == pos_type(-1)) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + this->__setstate_nothrow(__state); + if (this->exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + this->setstate(__state); + } + return *this; +} + +template <class _CharT, class _Traits> +basic_istream<_CharT, _Traits>& +ws(basic_istream<_CharT, _Traits>& __is) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif // _LIBCPP_NO_EXCEPTIONS + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); + while (true) + { + typename _Traits::int_type __i = __is.rdbuf()->sgetc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + if (!__ct.is(__ct.space, _Traits::to_char_type(__i))) + break; + __is.rdbuf()->sbumpc(); + } +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif // _LIBCPP_NO_EXCEPTIONS + __is.setstate(__state); + } + return __is; +} + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, class _Tp> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp&& __x) +{ + __is >> _VSTD::forward<_Tp>(__x); + return __is; +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits> +class _LIBCPP_TEMPLATE_VIS basic_iostream + : public basic_istream<_CharT, _Traits>, + public basic_ostream<_CharT, _Traits> +{ +public: + // types: + typedef _CharT char_type; + typedef _Traits traits_type; + typedef typename traits_type::int_type int_type; + typedef typename traits_type::pos_type pos_type; + typedef typename traits_type::off_type off_type; + + // constructor/destructor + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + explicit basic_iostream(basic_streambuf<char_type, traits_type>* __sb) + : basic_istream<_CharT, _Traits>(__sb) + {} + + virtual ~basic_iostream(); +protected: +#ifndef _LIBCPP_CXX03_LANG + inline _LIBCPP_INLINE_VISIBILITY + basic_iostream(basic_iostream&& __rhs); + + // assign/swap + inline _LIBCPP_INLINE_VISIBILITY + basic_iostream& operator=(basic_iostream&& __rhs); +#endif + inline _LIBCPP_HIDE_FROM_ABI_AFTER_V1 + void swap(basic_iostream& __rhs) + { basic_istream<char_type, traits_type>::swap(__rhs); } +}; + +#ifndef _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits> +basic_iostream<_CharT, _Traits>::basic_iostream(basic_iostream&& __rhs) + : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)) +{ +} + +template <class _CharT, class _Traits> +basic_iostream<_CharT, _Traits>& +basic_iostream<_CharT, _Traits>::operator=(basic_iostream&& __rhs) +{ + swap(__rhs); + return *this; +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits> +basic_iostream<_CharT, _Traits>::~basic_iostream() +{ +} + +template<class _CharT, class _Traits, class _Allocator> +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + __str.clear(); + streamsize __n = __is.width(); + if (__n <= 0) + __n = __str.max_size(); + if (__n <= 0) + __n = numeric_limits<streamsize>::max(); + streamsize __c = 0; + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); + while (__c < __n) + { + typename _Traits::int_type __i = __is.rdbuf()->sgetc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + _CharT __ch = _Traits::to_char_type(__i); + if (__ct.is(__ct.space, __ch)) + break; + __str.push_back(__ch); + ++__c; + __is.rdbuf()->sbumpc(); + } + __is.width(0); + if (__c == 0) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +template<class _CharT, class _Traits, class _Allocator> +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is, true); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + __str.clear(); + streamsize __extr = 0; + while (true) + { + typename _Traits::int_type __i = __is.rdbuf()->sbumpc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + ++__extr; + _CharT __ch = _Traits::to_char_type(__i); + if (_Traits::eq(__ch, __dlm)) + break; + __str.push_back(__ch); + if (__str.size() == __str.max_size()) + { + __state |= ios_base::failbit; + break; + } + } + if (__extr == 0) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>& __is, + basic_string<_CharT, _Traits, _Allocator>& __str) +{ + return getline(__is, __str, __is.widen('\n')); +} + +#ifndef _LIBCPP_CXX03_LANG + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>&& __is, + basic_string<_CharT, _Traits, _Allocator>& __str, _CharT __dlm) +{ + return getline(__is, __str, __dlm); +} + +template<class _CharT, class _Traits, class _Allocator> +inline _LIBCPP_INLINE_VISIBILITY +basic_istream<_CharT, _Traits>& +getline(basic_istream<_CharT, _Traits>&& __is, + basic_string<_CharT, _Traits, _Allocator>& __str) +{ + return getline(__is, __str, __is.widen('\n')); +} + +#endif // _LIBCPP_CXX03_LANG + +template <class _CharT, class _Traits, size_t _Size> +basic_istream<_CharT, _Traits>& +operator>>(basic_istream<_CharT, _Traits>& __is, bitset<_Size>& __x) +{ + ios_base::iostate __state = ios_base::goodbit; + typename basic_istream<_CharT, _Traits>::sentry __sen(__is); + if (__sen) + { +#ifndef _LIBCPP_NO_EXCEPTIONS + try + { +#endif + basic_string<_CharT, _Traits> __str; + const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__is.getloc()); + size_t __c = 0; + _CharT __zero = __ct.widen('0'); + _CharT __one = __ct.widen('1'); + while (__c < _Size) + { + typename _Traits::int_type __i = __is.rdbuf()->sgetc(); + if (_Traits::eq_int_type(__i, _Traits::eof())) + { + __state |= ios_base::eofbit; + break; + } + _CharT __ch = _Traits::to_char_type(__i); + if (!_Traits::eq(__ch, __zero) && !_Traits::eq(__ch, __one)) + break; + __str.push_back(__ch); + ++__c; + __is.rdbuf()->sbumpc(); + } + __x = bitset<_Size>(__str); + if (_Size > 0 && __c == 0) + __state |= ios_base::failbit; +#ifndef _LIBCPP_NO_EXCEPTIONS + } + catch (...) + { + __state |= ios_base::badbit; + __is.__setstate_nothrow(__state); + if (__is.exceptions() & ios_base::badbit) + { + throw; + } + } +#endif + __is.setstate(__state); + } + return __is; +} + +#ifndef _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<char>) +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_istream<wchar_t>) +_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_iostream<char>) +#endif + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_ISTREAM |