Whole document tree stl_construct.hGo to the documentation of this file.00001 // nonstandard construct and destroy functions -*- C++ -*- 00002 00003 // Copyright (C) 2001 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 /* 00031 * 00032 * Copyright (c) 1994 00033 * Hewlett-Packard Company 00034 * 00035 * Permission to use, copy, modify, distribute and sell this software 00036 * and its documentation for any purpose is hereby granted without fee, 00037 * provided that the above copyright notice appear in all copies and 00038 * that both that copyright notice and this permission notice appear 00039 * in supporting documentation. Hewlett-Packard Company makes no 00040 * representations about the suitability of this software for any 00041 * purpose. It is provided "as is" without express or implied warranty. 00042 * 00043 * 00044 * Copyright (c) 1996,1997 00045 * Silicon Graphics Computer Systems, Inc. 00046 * 00047 * Permission to use, copy, modify, distribute and sell this software 00048 * and its documentation for any purpose is hereby granted without fee, 00049 * provided that the above copyright notice appear in all copies and 00050 * that both that copyright notice and this permission notice appear 00051 * in supporting documentation. Silicon Graphics makes no 00052 * representations about the suitability of this software for any 00053 * purpose. It is provided "as is" without express or implied warranty. 00054 */ 00055 00056 /* NOTE: This is an internal header file, included by other STL headers. 00057 * You should not attempt to use it directly. 00058 */ 00059 00060 #ifndef _CPP_BITS_STL_CONSTRUCT_H 00061 #define _CPP_BITS_STL_CONSTRUCT_H 1 00062 00063 #include <new> 00064 00065 namespace std 00066 { 00067 00068 // construct and destroy. These functions are not part of the C++ standard, 00069 // and are provided for backward compatibility with the HP STL. We also 00070 // provide internal names _Construct and _Destroy that can be used within 00071 // the library, so that standard-conforming pieces don't have to rely on 00072 // non-standard extensions. 00073 00074 // Internal names 00075 00076 template <class _T1, class _T2> 00077 inline void _Construct(_T1* __p, const _T2& __value) { 00078 new ((void*) __p) _T1(__value); 00079 } 00080 00081 template <class _T1> 00082 inline void _Construct(_T1* __p) { 00083 new ((void*) __p) _T1(); 00084 } 00085 00086 template <class _Tp> 00087 inline void _Destroy(_Tp* __pointer) { 00088 __pointer->~_Tp(); 00089 } 00090 00091 template <class _ForwardIterator> 00092 void 00093 __destroy_aux(_ForwardIterator __first, _ForwardIterator __last, __false_type) 00094 { 00095 for ( ; __first != __last; ++__first) 00096 destroy(&*__first); 00097 } 00098 00099 template <class _ForwardIterator> 00100 inline void __destroy_aux(_ForwardIterator, _ForwardIterator, __true_type) {} 00101 00102 template <class _ForwardIterator, class _Tp> 00103 inline void 00104 __destroy(_ForwardIterator __first, _ForwardIterator __last, _Tp*) 00105 { 00106 typedef typename __type_traits<_Tp>::has_trivial_destructor 00107 _Trivial_destructor; 00108 __destroy_aux(__first, __last, _Trivial_destructor()); 00109 } 00110 00111 template <class _ForwardIterator> 00112 inline void _Destroy(_ForwardIterator __first, _ForwardIterator __last) { 00113 __destroy(__first, __last, __value_type(__first)); 00114 } 00115 00116 inline void _Destroy(char*, char*) {} 00117 inline void _Destroy(int*, int*) {} 00118 inline void _Destroy(long*, long*) {} 00119 inline void _Destroy(float*, float*) {} 00120 inline void _Destroy(double*, double*) {} 00121 inline void _Destroy(wchar_t*, wchar_t*) {} 00122 00123 // -------------------------------------------------- 00124 // Old names from the HP STL. 00125 00126 template <class _T1, class _T2> 00127 inline void construct(_T1* __p, const _T2& __value) { 00128 _Construct(__p, __value); 00129 } 00130 00131 template <class _T1> 00132 inline void construct(_T1* __p) { 00133 _Construct(__p); 00134 } 00135 00136 template <class _Tp> 00137 inline void destroy(_Tp* __pointer) { 00138 _Destroy(__pointer); 00139 } 00140 00141 template <class _ForwardIterator> 00142 inline void destroy(_ForwardIterator __first, _ForwardIterator __last) { 00143 _Destroy(__first, __last); 00144 } 00145 00146 } // namespace std 00147 00148 #endif /* _CPP_BITS_STL_CONSTRUCT_H */ 00149 00150 // Local Variables: 00151 // mode:C++ 00152 // End: Generated on Mon Apr 8 03:11:38 2002 for libstdc++-v3 Source by ![]() |