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d } ? !// istream classes -*- C++ -*-
// Copyright (C) 1997-2013 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/** @file bits/istream.tcc
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{istream}
*/
//
// ISO C++ 14882: 27.6.1 Input streams
//
#ifndef _ISTREAM_TCC
#define _ISTREAM_TCC 1
#pragma GCC system_header
#include
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
template
basic_istream<_CharT, _Traits>::sentry::
sentry(basic_istream<_CharT, _Traits>& __in, bool __noskip) : _M_ok(false)
{
ios_base::iostate __err = ios_base::goodbit;
if (__in.good())
__try
{
if (__in.tie())
__in.tie()->flush();
if (!__noskip && bool(__in.flags() & ios_base::skipws))
{
const __int_type __eof = traits_type::eof();
__streambuf_type* __sb = __in.rdbuf();
__int_type __c = __sb->sgetc();
const __ctype_type& __ct = __check_facet(__in._M_ctype);
while (!traits_type::eq_int_type(__c, __eof)
&& __ct.is(ctype_base::space,
traits_type::to_char_type(__c)))
__c = __sb->snextc();
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 195. Should basic_istream::sentry's constructor ever
// set eofbit?
if (traits_type::eq_int_type(__c, __eof))
__err |= ios_base::eofbit;
}
}
__catch(__cxxabiv1::__forced_unwind&)
{
__in._M_setstate(ios_base::badbit);
__throw_exception_again;
}
__catch(...)
{ __in._M_setstate(ios_base::badbit); }
if (__in.good() && __err == ios_base::goodbit)
_M_ok = true;
else
{
__err |= ios_base::failbit;
__in.setstate(__err);
}
}
template
template
basic_istream<_CharT, _Traits>&
basic_istream<_CharT, _Traits>::
_M_extract(_ValueT& __v)
{
sentry __cerb(*this, false);
if (__cerb)
{
ios_base::iostate __err = ios_base::goodbit;
__try
{
const __num_get_type& __ng = __check_facet(this->_M_num_get);
__ng.get(*this, 0, *this, __err, __v);
}
__catch(__cxxabiv1::__forced_unwind&)
{
this->_M_setstate(ios_base::badbit);
__throw_exception_again;
}
__catch(...)
{ this->_M_setstate(ios_base::badbit); }
if (__err)
this->setstate(__err);
}
return *this;
}
template
basic_istream<_CharT, _Traits>&
basic_istream<_CharT, _Traits>::
operator>>(short& __n)
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS