LCOV - app.info - /tools/gcc-4.5/include/c++/4.5.2/bits/stl_construct.h

LCOV - code coverage report
| Current view: | directory - tools/gcc-4.5/include/c++/4.5.2/bits - stl_construct.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 16 | 16 | 100.0 %
| Date: | 2012-04-07 | Functions: | 66 | 47 | 71.2 %

           1                 : // nonstandard construct and destroy functions -*- C++ -*-
           2                 :
           3                 : // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
           4                 : // Free Software Foundation, Inc.
           5                 : //
           6                 : // This file is part of the GNU ISO C++ Library.  This library is free
           7                 : // software; you can redistribute it and/or modify it under the
           8                 : // terms of the GNU General Public License as published by the
           9                 : // Free Software Foundation; either version 3, or (at your option)
          10                 : // any later version.
          11                 :
          12                 : // This library is distributed in the hope that it will be useful,
          13                 : // but WITHOUT ANY WARRANTY; without even the implied warranty of
          14                 : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
          15                 : // GNU General Public License for more details.
          16                 :
          17                 : // Under Section 7 of GPL version 3, you are granted additional
          18                 : // permissions described in the GCC Runtime Library Exception, version
          19                 : // 3.1, as published by the Free Software Foundation.
          20                 :
          21                 : // You should have received a copy of the GNU General Public License and
          22                 : // a copy of the GCC Runtime Library Exception along with this program;
          23                 : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
          24                 : // <http://www.gnu.org/licenses/>.
          25                 :
          26                 : /*
          27                 :  *
          28                 :  * Copyright (c) 1994
          29                 :  * Hewlett-Packard Company
          30                 :  *
          31                 :  * Permission to use, copy, modify, distribute and sell this software
          32                 :  * and its documentation for any purpose is hereby granted without fee,
          33                 :  * provided that the above copyright notice appear in all copies and
          34                 :  * that both that copyright notice and this permission notice appear
          35                 :  * in supporting documentation.  Hewlett-Packard Company makes no
          36                 :  * representations about the suitability of this software for any
          37                 :  * purpose.  It is provided "as is" without express or implied warranty.
          38                 :  *
          39                 :  *
          40                 :  * Copyright (c) 1996,1997
          41                 :  * Silicon Graphics Computer Systems, Inc.
          42                 :  *
          43                 :  * Permission to use, copy, modify, distribute and sell this software
          44                 :  * and its documentation for any purpose is hereby granted without fee,
          45                 :  * provided that the above copyright notice appear in all copies and
          46                 :  * that both that copyright notice and this permission notice appear
          47                 :  * in supporting documentation.  Silicon Graphics makes no
          48                 :  * representations about the suitability of this software for any
          49                 :  * purpose.  It is provided "as is" without express or implied warranty.
          50                 :  */
          51                 :
          52                 : /** @file stl_construct.h
          53                 :  *  This is an internal header file, included by other library headers.
          54                 :  *  You should not attempt to use it directly.
          55                 :  */
          56                 :
          57                 : #ifndef _STL_CONSTRUCT_H
          58                 : #define _STL_CONSTRUCT_H 1
          59                 :
          60                 : #include <new>
          61                 : #include <bits/move.h>
          62                 :
          63                 : _GLIBCXX_BEGIN_NAMESPACE(std)
          64                 :
          65                 :   /**
          66                 :    * Constructs an object in existing memory by invoking an allocated
          67                 :    * object's constructor with an initializer.
          68                 :    */
          69                 :   template<typename _T1, typename _T2>
          70                 :     inline void
          71                 : #ifdef __GXX_EXPERIMENTAL_CXX0X__
          72                 :     // Allow perfect forwarding
          73         1075950 :     _Construct(_T1* __p, _T2&& __value)
          74                 : #else
          75                 :     _Construct(_T1* __p, const _T2& __value)
          76                 : #endif
          77                 :     {
          78                 :       // _GLIBCXX_RESOLVE_LIB_DEFECTS
          79                 :       // 402. wrong new expression in [some_]allocator::construct
          80         1075950 :       ::new(static_cast<void*>(__p)) _T1(_GLIBCXX_FORWARD(_T2, __value));
          81         1075950 :     }
          82                 :
          83                 :   /**
          84                 :    * Destroy the object pointed to by a pointer type.
          85                 :    */
          86                 :   template<typename _Tp>
          87                 :     inline void
          88         1317103 :     _Destroy(_Tp* __pointer)
          89         1317103 :     { __pointer->~_Tp(); }
          90                 :
          91                 :   template<bool>
          92                 :     struct _Destroy_aux
          93                 :     {
          94                 :       template<typename _ForwardIterator>
          95                 :         static void
          96           43829 :         __destroy(_ForwardIterator __first, _ForwardIterator __last)
          97                 :         {
          98         1360932 :           for (; __first != __last; ++__first)
          99         1317103 :             std::_Destroy(&*__first);
         100           43829 :         }
         101                 :     };
         102                 :
         103                 :   template<>
         104                 :     struct _Destroy_aux<true>
         105                 :     {
         106                 :       template<typename _ForwardIterator>
         107                 :         static void
         108         2908727 :         __destroy(_ForwardIterator, _ForwardIterator) { }
         109                 :     };
         110                 :
         111                 :   /**
         112                 :    * Destroy a range of objects.  If the value_type of the object has
         113                 :    * a trivial destructor, the compiler should optimize all of this
         114                 :    * away, otherwise the objects' destructors must be invoked.
         115                 :    */
         116                 :   template<typename _ForwardIterator>
         117                 :     inline void
         118         2952556 :     _Destroy(_ForwardIterator __first, _ForwardIterator __last)
         119                 :     {
         120                 :       typedef typename iterator_traits<_ForwardIterator>::value_type
         121                 :                        _Value_type;
         122         2952556 :       std::_Destroy_aux<__has_trivial_destructor(_Value_type)>::
         123                 :         __destroy(__first, __last);
         124         2952556 :     }
         125                 :
         126                 :   /**
         127                 :    * Destroy a range of objects using the supplied allocator.  For
         128                 :    * nondefault allocators we do not optimize away invocation of
         129                 :    * destroy() even if _Tp has a trivial destructor.
         130                 :    */
         131                 :
         132                 :   template <typename _Tp> class allocator;
         133                 :
         134                 :   template<typename _ForwardIterator, typename _Allocator>
         135                 :     void
         136                 :     _Destroy(_ForwardIterator __first, _ForwardIterator __last,
         137                 :              _Allocator& __alloc)
         138                 :     {
         139                 :       for (; __first != __last; ++__first)
         140                 :         __alloc.destroy(&*__first);
         141                 :     }
         142                 :
         143                 :   template<typename _ForwardIterator, typename _Tp>
         144                 :     inline void
         145         2952556 :     _Destroy(_ForwardIterator __first, _ForwardIterator __last,
         146                 :              allocator<_Tp>&)
         147                 :     {
         148         2952556 :       _Destroy(__first, __last);
         149         2952556 :     }
         150                 :
         151                 : _GLIBCXX_END_NAMESPACE
         152                 :
         153                 : #endif /* _STL_CONSTRUCT_H */
         154                 :

Generated by: LCOV version 1.7