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// nonstandard construct and destroy functions -*- C++ -*-
// Copyright (C) 2001 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996,1997
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef _CPP_BITS_STL_CONSTRUCT_H
#define _CPP_BITS_STL_CONSTRUCT_H 1
#include <bits/type_traits.h>
#include <new>
namespace std
{
/**
* Invoke an allocated object's constructor with an initializer.
*
* This function is not part of the C++ standard but is used internally
* within the library.
*/
template <class _T1, class _T2>
inline void
_Construct(_T1* __p, const _T2& __value)
{ new (static_cast<void*>(__p)) _T1(__value); }
/**
* Invoke an allocated object's constructor without an initializer.
*
* This function is not part of the C++ standard but is used internally
* within the library.
*/
template <class _T1>
inline void
_Construct(_T1* __p)
{ new (static_cast<void*>(__p)) _T1(); }
/**
* Destroy a range of objects with nontrivial destructors.
*
* This is a helper function used only by _Destroy().
*/
template <class _ForwardIterator>
inline void
__destroy_aux(_ForwardIterator __first, _ForwardIterator __last, __false_type)
{ for ( ; __first != __last; ++__first) _Destroy(&*__first); }
/**
* Destroy a range of objects with trivial destructors. Since the destructors
* are trivial, there's nothing to do and hopefully this function will be
* entirely optimized away.
*
* This is a helper function used only by _Destroy().
*/
template <class _ForwardIterator>
inline void
__destroy_aux(_ForwardIterator, _ForwardIterator, __true_type)
{ }
/**
* Destroy the object pointed to by a pointer type.
*
* This function is not part of the C++ standard but is used internally
* within the library.
*/
template <class _Tp>
inline void
_Destroy(_Tp* __pointer)
{ __pointer->~_Tp(); }
/**
* Destroy a range of objects. If the value_type of the object has
* a trivial destructor, the compiler should optimize all of this
* away, otherwise the objects' destructors must be invoked.
*
* This function is not part of the C++ standard but is used internally
* within the library.
*/
template <class _ForwardIterator>
inline void
_Destroy(_ForwardIterator __first, _ForwardIterator __last)
{
typedef typename iterator_traits<_ForwardIterator>::value_type
_Value_type;
typedef typename __type_traits<_Value_type>::has_trivial_destructor
_Has_trivial_destructor;
__destroy_aux(__first, __last, _Has_trivial_destructor());
}
} // namespace std
#endif /* _CPP_BITS_STL_CONSTRUCT_H */
// Local Variables:
// mode:C++
// End:
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