libstdc++/stl/stl_construct.h

   1 /*
   2  *
   3  * Copyright (c) 1994
   4  * Hewlett-Packard Company
   5  *
   6  * Permission to use, copy, modify, distribute and sell this software
   7  * and its documentation for any purpose is hereby granted without fee,
   8  * provided that the above copyright notice appear in all copies and
   9  * that both that copyright notice and this permission notice appear
  10  * in supporting documentation.  Hewlett-Packard Company makes no
  11  * representations about the suitability of this software for any
  12  * purpose.  It is provided "as is" without express or implied warranty.
  13  *
  14  *
  15  * Copyright (c) 1996,1997
  16  * Silicon Graphics Computer Systems, Inc.
  17  *
  18  * Permission to use, copy, modify, distribute and sell this software
  19  * and its documentation for any purpose is hereby granted without fee,
  20  * provided that the above copyright notice appear in all copies and
  21  * that both that copyright notice and this permission notice appear
  22  * in supporting documentation.  Silicon Graphics makes no
  23  * representations about the suitability of this software for any
  24  * purpose.  It is provided "as is" without express or implied warranty.
  25  */
  26
  27 /* NOTE: This is an internal header file, included by other STL headers.
  28  *   You should not attempt to use it directly.
  29  */
  30
  31 #ifndef __SGI_STL_INTERNAL_CONSTRUCT_H
  32 #define __SGI_STL_INTERNAL_CONSTRUCT_H
  33
  34 #include <new.h>
  35
  36 __STL_BEGIN_NAMESPACE
  37
  38 template <class T>
  39 inline void destroy(T* pointer) {
  40     pointer->~T();
  41 }
  42
  43 template <class T1, class T2>
  44 inline void construct(T1* p, const T2& value) {
  45   new (p) T1(value);
  46 }
  47
  48 template <class ForwardIterator>
  49 inline void
  50 __destroy_aux(ForwardIterator first, ForwardIterator last, __false_type) {
  51   for ( ; first < last; ++first)
  52     destroy(&*first);
  53 }
  54
  55 template <class ForwardIterator>
  56 inline void __destroy_aux(ForwardIterator, ForwardIterator, __true_type) {}
  57
  58 template <class ForwardIterator, class T>
  59 inline void __destroy(ForwardIterator first, ForwardIterator last, T*) {
  60   typedef typename __type_traits<T>::has_trivial_destructor trivial_destructor;
  61   __destroy_aux(first, last, trivial_destructor());
  62 }
  63
  64 template <class ForwardIterator>
  65 inline void destroy(ForwardIterator first, ForwardIterator last) {
  66   __destroy(first, last, value_type(first));
  67 }
  68
  69 inline void destroy(char*, char*) {}
  70 inline void destroy(wchar_t*, wchar_t*) {}
  71
  72 __STL_END_NAMESPACE
  73
  74 #endif /* __SGI_STL_INTERNAL_CONSTRUCT_H */
  75
  76 // Local Variables:
  77 // mode:C++
  78 // End: