LCOV - code coverage report
Current view: directory - tools/gcc-4.5/include/c++/4.5.2/bits - ostream.tcc (source / functions) Found Hit Coverage
Test: app.info Lines: 15 0 0.0 %
Date: 2012-06-02 Functions: 6 0 0.0 %

       1                 : // ostream classes -*- C++ -*-
       2                 : 
       3                 : // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
       4                 : // 2006, 2007, 2008, 2009
       5                 : // Free Software Foundation, Inc.
       6                 : //
       7                 : // This file is part of the GNU ISO C++ Library.  This library is free
       8                 : // software; you can redistribute it and/or modify it under the
       9                 : // terms of the GNU General Public License as published by the
      10                 : // Free Software Foundation; either version 3, or (at your option)
      11                 : // any later version.
      12                 : 
      13                 : // This library is distributed in the hope that it will be useful,
      14                 : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      15                 : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      16                 : // GNU General Public License for more details.
      17                 : 
      18                 : // Under Section 7 of GPL version 3, you are granted additional
      19                 : // permissions described in the GCC Runtime Library Exception, version
      20                 : // 3.1, as published by the Free Software Foundation.
      21                 : 
      22                 : // You should have received a copy of the GNU General Public License and
      23                 : // a copy of the GCC Runtime Library Exception along with this program;
      24                 : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      25                 : // <http://www.gnu.org/licenses/>.
      26                 : 
      27                 : /** @file ostream.tcc
      28                 :  *  This is an internal header file, included by other library headers.
      29                 :  *  You should not attempt to use it directly.
      30                 :  */
      31                 : 
      32                 : //
      33                 : // ISO C++ 14882: 27.6.2  Output streams
      34                 : //
      35                 : 
      36                 : #ifndef _OSTREAM_TCC
      37                 : #define _OSTREAM_TCC 1
      38                 : 
      39                 : #pragma GCC system_header
      40                 : 
      41                 : #include <cxxabi-forced.h>
      42                 : 
      43                 : _GLIBCXX_BEGIN_NAMESPACE(std)
      44                 : 
      45                 :   template<typename _CharT, typename _Traits>
      46                 :     basic_ostream<_CharT, _Traits>::sentry::
      47                 :     sentry(basic_ostream<_CharT, _Traits>& __os)
      48                 :     : _M_ok(false), _M_os(__os)
      49                 :     {
      50                 :       // XXX MT
      51                 :       if (__os.tie() && __os.good())
      52                 :         __os.tie()->flush();
      53                 : 
      54                 :       if (__os.good())
      55                 :         _M_ok = true;
      56                 :       else
      57                 :         __os.setstate(ios_base::failbit);
      58                 :     }
      59                 : 
      60                 :   template<typename _CharT, typename _Traits>
      61                 :     template<typename _ValueT>
      62                 :       basic_ostream<_CharT, _Traits>&
      63               0 :       basic_ostream<_CharT, _Traits>::
      64                 :       _M_insert(_ValueT __v)
      65                 :       {
      66               0 :         sentry __cerb(*this);
      67               0 :         if (__cerb)
      68                 :           {
      69               0 :             ios_base::iostate __err = ios_base::goodbit;
      70                 :             __try
      71                 :               {
      72               0 :                 const __num_put_type& __np = __check_facet(this->_M_num_put);
      73               0 :                 if (__np.put(*this, *this, this->fill(), __v).failed())
      74               0 :                   __err |= ios_base::badbit;
      75                 :               }
      76               0 :             __catch(__cxxabiv1::__forced_unwind&)
      77                 :               {
      78               0 :                 this->_M_setstate(ios_base::badbit);         
      79               0 :                 __throw_exception_again;
      80                 :               }
      81               0 :             __catch(...)
      82               0 :               { this->_M_setstate(ios_base::badbit); }
      83               0 :             if (__err)
      84               0 :               this->setstate(__err);
      85                 :           }
      86               0 :         return *this;
      87                 :       }
      88                 : 
      89                 :   template<typename _CharT, typename _Traits>
      90                 :     basic_ostream<_CharT, _Traits>&
      91                 :     basic_ostream<_CharT, _Traits>::
      92                 :     operator<<(short __n)
      93                 :     {
      94                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
      95                 :       // 117. basic_ostream uses nonexistent num_put member functions.
      96                 :       const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
      97                 :       if (__fmt == ios_base::oct || __fmt == ios_base::hex)
      98                 :         return _M_insert(static_cast<long>(static_cast<unsigned short>(__n)));
      99                 :       else
     100                 :         return _M_insert(static_cast<long>(__n));
     101                 :     }
     102                 : 
     103                 :   template<typename _CharT, typename _Traits>
     104                 :     basic_ostream<_CharT, _Traits>&
     105                 :     basic_ostream<_CharT, _Traits>::
     106                 :     operator<<(int __n)
     107                 :     {
     108                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
     109                 :       // 117. basic_ostream uses nonexistent num_put member functions.
     110                 :       const ios_base::fmtflags __fmt = this->flags() & ios_base::basefield;
     111                 :       if (__fmt == ios_base::oct || __fmt == ios_base::hex)
     112                 :         return _M_insert(static_cast<long>(static_cast<unsigned int>(__n)));
     113                 :       else
     114                 :         return _M_insert(static_cast<long>(__n));
     115                 :     }
     116                 :   
     117                 :   template<typename _CharT, typename _Traits>
     118                 :     basic_ostream<_CharT, _Traits>&
     119                 :     basic_ostream<_CharT, _Traits>::
     120                 :     operator<<(__streambuf_type* __sbin)
     121                 :     {
     122                 :       ios_base::iostate __err = ios_base::goodbit;
     123                 :       sentry __cerb(*this);
     124                 :       if (__cerb && __sbin)
     125                 :         {
     126                 :           __try
     127                 :             {
     128                 :               if (!__copy_streambufs(__sbin, this->rdbuf()))
     129                 :                 __err |= ios_base::failbit;
     130                 :             }
     131                 :           __catch(__cxxabiv1::__forced_unwind&)
     132                 :             {
     133                 :               this->_M_setstate(ios_base::badbit);           
     134                 :               __throw_exception_again;
     135                 :             }
     136                 :           __catch(...)
     137                 :             { this->_M_setstate(ios_base::failbit); }
     138                 :         }
     139                 :       else if (!__sbin)
     140                 :         __err |= ios_base::badbit;
     141                 :       if (__err)
     142                 :         this->setstate(__err);
     143                 :       return *this;
     144                 :     }
     145                 : 
     146                 :   template<typename _CharT, typename _Traits>
     147                 :     basic_ostream<_CharT, _Traits>&
     148                 :     basic_ostream<_CharT, _Traits>::
     149                 :     put(char_type __c)
     150                 :     {
     151                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
     152                 :       // DR 60. What is a formatted input function?
     153                 :       // basic_ostream::put(char_type) is an unformatted output function.
     154                 :       // DR 63. Exception-handling policy for unformatted output.
     155                 :       // Unformatted output functions should catch exceptions thrown
     156                 :       // from streambuf members.
     157                 :       sentry __cerb(*this);
     158                 :       if (__cerb)
     159                 :         {
     160                 :           ios_base::iostate __err = ios_base::goodbit;
     161                 :           __try
     162                 :             {
     163                 :               const int_type __put = this->rdbuf()->sputc(__c);
     164                 :               if (traits_type::eq_int_type(__put, traits_type::eof()))
     165                 :                 __err |= ios_base::badbit;
     166                 :             }
     167                 :           __catch(__cxxabiv1::__forced_unwind&)
     168                 :             {
     169                 :               this->_M_setstate(ios_base::badbit);           
     170                 :               __throw_exception_again;
     171                 :             }
     172                 :           __catch(...)
     173                 :             { this->_M_setstate(ios_base::badbit); }
     174                 :           if (__err)
     175                 :             this->setstate(__err);
     176                 :         }
     177                 :       return *this;
     178                 :     }
     179                 : 
     180                 :   template<typename _CharT, typename _Traits>
     181                 :     basic_ostream<_CharT, _Traits>&
     182                 :     basic_ostream<_CharT, _Traits>::
     183                 :     write(const _CharT* __s, streamsize __n)
     184                 :     {
     185                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
     186                 :       // DR 60. What is a formatted input function?
     187                 :       // basic_ostream::write(const char_type*, streamsize) is an
     188                 :       // unformatted output function.
     189                 :       // DR 63. Exception-handling policy for unformatted output.
     190                 :       // Unformatted output functions should catch exceptions thrown
     191                 :       // from streambuf members.
     192                 :       sentry __cerb(*this);
     193                 :       if (__cerb)
     194                 :         {
     195                 :           __try
     196                 :             { _M_write(__s, __n); }
     197                 :           __catch(__cxxabiv1::__forced_unwind&)
     198                 :             {
     199                 :               this->_M_setstate(ios_base::badbit);           
     200                 :               __throw_exception_again;
     201                 :             }
     202                 :           __catch(...)
     203                 :             { this->_M_setstate(ios_base::badbit); }
     204                 :         }
     205                 :       return *this;
     206                 :     }
     207                 : 
     208                 :   template<typename _CharT, typename _Traits>
     209                 :     basic_ostream<_CharT, _Traits>&
     210                 :     basic_ostream<_CharT, _Traits>::
     211                 :     flush()
     212                 :     {
     213                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
     214                 :       // DR 60. What is a formatted input function?
     215                 :       // basic_ostream::flush() is *not* an unformatted output function.
     216                 :       ios_base::iostate __err = ios_base::goodbit;
     217                 :       __try
     218                 :         {
     219                 :           if (this->rdbuf() && this->rdbuf()->pubsync() == -1)
     220                 :             __err |= ios_base::badbit;
     221                 :         }
     222                 :       __catch(__cxxabiv1::__forced_unwind&)
     223                 :         {
     224                 :           this->_M_setstate(ios_base::badbit);               
     225                 :           __throw_exception_again;
     226                 :         }
     227                 :       __catch(...)
     228                 :         { this->_M_setstate(ios_base::badbit); }
     229                 :       if (__err)
     230                 :         this->setstate(__err);
     231                 :       return *this;
     232                 :     }
     233                 : 
     234                 :   template<typename _CharT, typename _Traits>
     235                 :     typename basic_ostream<_CharT, _Traits>::pos_type
     236                 :     basic_ostream<_CharT, _Traits>::
     237                 :     tellp()
     238                 :     {
     239                 :       pos_type __ret = pos_type(-1);
     240                 :       __try
     241                 :         {
     242                 :           if (!this->fail())
     243                 :             __ret = this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out);
     244                 :         }
     245                 :       __catch(__cxxabiv1::__forced_unwind&)
     246                 :         {
     247                 :           this->_M_setstate(ios_base::badbit);               
     248                 :           __throw_exception_again;
     249                 :         }
     250                 :       __catch(...)
     251                 :         { this->_M_setstate(ios_base::badbit); }
     252                 :       return __ret;
     253                 :     }
     254                 : 
     255                 :   template<typename _CharT, typename _Traits>
     256                 :     basic_ostream<_CharT, _Traits>&
     257                 :     basic_ostream<_CharT, _Traits>::
     258                 :     seekp(pos_type __pos)
     259                 :     {
     260                 :       ios_base::iostate __err = ios_base::goodbit;
     261                 :       __try
     262                 :         {
     263                 :           if (!this->fail())
     264                 :             {
     265                 :               // _GLIBCXX_RESOLVE_LIB_DEFECTS
     266                 :               // 136.  seekp, seekg setting wrong streams?
     267                 :               const pos_type __p = this->rdbuf()->pubseekpos(__pos,
     268                 :                                                              ios_base::out);
     269                 : 
     270                 :               // 129. Need error indication from seekp() and seekg()
     271                 :               if (__p == pos_type(off_type(-1)))
     272                 :                 __err |= ios_base::failbit;
     273                 :             }
     274                 :         }
     275                 :       __catch(__cxxabiv1::__forced_unwind&)
     276                 :         {
     277                 :           this->_M_setstate(ios_base::badbit);               
     278                 :           __throw_exception_again;
     279                 :         }
     280                 :       __catch(...)
     281                 :         { this->_M_setstate(ios_base::badbit); }
     282                 :       if (__err)
     283                 :         this->setstate(__err);
     284                 :       return *this;
     285                 :     }
     286                 : 
     287                 :   template<typename _CharT, typename _Traits>
     288                 :     basic_ostream<_CharT, _Traits>&
     289                 :     basic_ostream<_CharT, _Traits>::
     290                 :     seekp(off_type __off, ios_base::seekdir __dir)
     291                 :     {
     292                 :       ios_base::iostate __err = ios_base::goodbit;
     293                 :       __try
     294                 :         {
     295                 :           if (!this->fail())
     296                 :             {
     297                 :               // _GLIBCXX_RESOLVE_LIB_DEFECTS
     298                 :               // 136.  seekp, seekg setting wrong streams?
     299                 :               const pos_type __p = this->rdbuf()->pubseekoff(__off, __dir,
     300                 :                                                              ios_base::out);
     301                 : 
     302                 :               // 129. Need error indication from seekp() and seekg()
     303                 :               if (__p == pos_type(off_type(-1)))
     304                 :                 __err |= ios_base::failbit;
     305                 :             }
     306                 :         }
     307                 :       __catch(__cxxabiv1::__forced_unwind&)
     308                 :         {
     309                 :           this->_M_setstate(ios_base::badbit);               
     310                 :           __throw_exception_again;
     311                 :         }
     312                 :       __catch(...)
     313                 :         { this->_M_setstate(ios_base::badbit); }
     314                 :       if (__err)
     315                 :         this->setstate(__err);
     316                 :       return *this;
     317                 :     }
     318                 : 
     319                 :   template<typename _CharT, typename _Traits>
     320                 :     basic_ostream<_CharT, _Traits>&
     321                 :     operator<<(basic_ostream<_CharT, _Traits>& __out, const char* __s)
     322                 :     {
     323                 :       if (!__s)
     324                 :         __out.setstate(ios_base::badbit);
     325                 :       else
     326                 :         {
     327                 :           // _GLIBCXX_RESOLVE_LIB_DEFECTS
     328                 :           // 167.  Improper use of traits_type::length()
     329                 :           const size_t __clen = char_traits<char>::length(__s);
     330                 :           __try
     331                 :             {
     332                 :               struct __ptr_guard
     333                 :               {
     334                 :                 _CharT *__p;
     335                 :                 __ptr_guard (_CharT *__ip): __p(__ip) { }
     336                 :                 ~__ptr_guard() { delete[] __p; }
     337                 :                 _CharT* __get() { return __p; }
     338                 :               } __pg (new _CharT[__clen]);
     339                 : 
     340                 :               _CharT *__ws = __pg.__get();
     341                 :               for (size_t  __i = 0; __i < __clen; ++__i)
     342                 :                 __ws[__i] = __out.widen(__s[__i]);
     343                 :               __ostream_insert(__out, __ws, __clen);
     344                 :             }
     345                 :           __catch(__cxxabiv1::__forced_unwind&)
     346                 :             {
     347                 :               __out._M_setstate(ios_base::badbit);
     348                 :               __throw_exception_again;
     349                 :             }
     350                 :           __catch(...)
     351                 :             { __out._M_setstate(ios_base::badbit); }
     352                 :         }
     353                 :       return __out;
     354                 :     }
     355                 : 
     356                 :   // Inhibit implicit instantiations for required instantiations,
     357                 :   // which are defined via explicit instantiations elsewhere.
     358                 :   // NB:  This syntax is a GNU extension.
     359                 : #if _GLIBCXX_EXTERN_TEMPLATE
     360                 :   extern template class basic_ostream<char>;
     361                 :   extern template ostream& endl(ostream&);
     362                 :   extern template ostream& ends(ostream&);
     363                 :   extern template ostream& flush(ostream&);
     364                 :   extern template ostream& operator<<(ostream&, char);
     365                 :   extern template ostream& operator<<(ostream&, unsigned char);
     366                 :   extern template ostream& operator<<(ostream&, signed char);
     367                 :   extern template ostream& operator<<(ostream&, const char*);
     368                 :   extern template ostream& operator<<(ostream&, const unsigned char*);
     369                 :   extern template ostream& operator<<(ostream&, const signed char*);
     370                 : 
     371                 :   extern template ostream& ostream::_M_insert(long);
     372                 :   extern template ostream& ostream::_M_insert(unsigned long);
     373                 :   extern template ostream& ostream::_M_insert(bool);
     374                 : #ifdef _GLIBCXX_USE_LONG_LONG
     375                 :   extern template ostream& ostream::_M_insert(long long);
     376                 :   extern template ostream& ostream::_M_insert(unsigned long long);
     377                 : #endif
     378                 :   extern template ostream& ostream::_M_insert(double);
     379                 :   extern template ostream& ostream::_M_insert(long double);
     380                 :   extern template ostream& ostream::_M_insert(const void*);
     381                 : 
     382                 : #ifdef _GLIBCXX_USE_WCHAR_T
     383                 :   extern template class basic_ostream<wchar_t>;
     384                 :   extern template wostream& endl(wostream&);
     385                 :   extern template wostream& ends(wostream&);
     386                 :   extern template wostream& flush(wostream&);
     387                 :   extern template wostream& operator<<(wostream&, wchar_t);
     388                 :   extern template wostream& operator<<(wostream&, char);
     389                 :   extern template wostream& operator<<(wostream&, const wchar_t*);
     390                 :   extern template wostream& operator<<(wostream&, const char*);
     391                 : 
     392                 :   extern template wostream& wostream::_M_insert(long);
     393                 :   extern template wostream& wostream::_M_insert(unsigned long);
     394                 :   extern template wostream& wostream::_M_insert(bool);
     395                 : #ifdef _GLIBCXX_USE_LONG_LONG
     396                 :   extern template wostream& wostream::_M_insert(long long);
     397                 :   extern template wostream& wostream::_M_insert(unsigned long long);
     398                 : #endif
     399                 :   extern template wostream& wostream::_M_insert(double);
     400                 :   extern template wostream& wostream::_M_insert(long double);
     401                 :   extern template wostream& wostream::_M_insert(const void*);
     402                 : #endif
     403                 : #endif
     404                 : 
     405                 : _GLIBCXX_END_NAMESPACE
     406                 : 
     407                 : #endif

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