mirror of
https://github.com/reactos/reactos.git
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290 lines
8.7 KiB
C++
290 lines
8.7 KiB
C++
/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1997
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* Moscow Center for SPARC Technology
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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/* NOTE: This is an internal header file, included by other STL headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _STLP_INTERNAL_CONSTRUCT_H
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#define _STLP_INTERNAL_CONSTRUCT_H
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#if !defined (_STLP_DEBUG_UNINITIALIZED) && !defined (_STLP_INTERNAL_CSTRING)
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# include <stl/_cstring.h>
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#endif
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#ifndef _STLP_INTERNAL_NEW
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# include <stl/_new.h>
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#endif
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#ifndef _STLP_INTERNAL_ITERATOR_BASE_H
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# include <stl/_iterator_base.h>
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#endif
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#ifndef _STLP_TYPE_TRAITS_H
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# include <stl/type_traits.h>
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#endif
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#if !defined (_STLP_MOVE_CONSTRUCT_FWK_H) && !defined (_STLP_NO_MOVE_SEMANTIC)
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# include <stl/_move_construct_fwk.h>
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#endif
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_STLP_BEGIN_NAMESPACE
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template <class _Tp>
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inline void __destroy_aux(_Tp* __pointer, const __false_type& /*_Trivial_destructor*/)
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{ __pointer->~_Tp(); }
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template <class _Tp>
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inline void __destroy_aux(_Tp*, const __true_type& /*_Trivial_destructor*/) {}
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template <class _Tp>
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inline void _Destroy(_Tp* __pointer) {
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typedef typename __type_traits<_Tp>::has_trivial_destructor _Trivial_destructor;
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__destroy_aux(__pointer, _Trivial_destructor());
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset(__REINTERPRET_CAST(char*, __pointer), _STLP_SHRED_BYTE, sizeof(_Tp));
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#endif
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}
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template <class _Tp>
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inline void _Destroy_Moved(_Tp* __pointer) {
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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typedef typename __move_traits<_Tp>::complete _Trivial_destructor;
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__destroy_aux(__pointer, _Trivial_destructor());
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# if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)__pointer, _STLP_SHRED_BYTE, sizeof(_Tp));
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# endif
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#else
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_Destroy(__pointer);
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#endif
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}
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#if defined (new)
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# define _STLP_NEW_REDEFINE new
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# undef new
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#endif
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template <class _T1>
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inline void _Construct_aux (_T1* __p, const __false_type&) {
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new(__p) _T1();
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}
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template <class _T1>
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inline void _Construct_aux (_T1* __p, const __true_type&) {
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#if defined (_STLP_DEF_CONST_PLCT_NEW_BUG)
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*__p = _T1(0);
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#else
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// We use binary copying for POD types since it results
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// in a considerably better code at least on MSVC.
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*__p = _T1();
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#endif /* _STLP_DEF_CONST_PLCT_NEW_BUG */
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}
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template <class _T1>
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inline void _Construct(_T1* __p) {
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)__p, _STLP_SHRED_BYTE, sizeof(_T1));
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#endif
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#if defined (_STLP_DEF_CONST_PLCT_NEW_BUG)
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_Construct_aux (__p, _HasDefaultZeroValue(__p)._Answer());
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#else
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_Construct_aux (__p, _Is_POD(__p)._Answer());
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#endif /* _STLP_DEF_CONST_PLCT_NEW_BUG */
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}
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template <class _Tp>
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inline void _Copy_Construct_aux(_Tp* __p, const _Tp& __val, const __false_type&) {
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new(__p) _Tp(__val);
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}
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template <class _Tp>
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inline void _Copy_Construct_aux(_Tp* __p, const _Tp& __val, const __true_type&) {
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// We use binary copying for POD types since it results
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// in a considerably better code at least on MSVC.
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*__p = __val;
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}
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template <class _Tp>
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inline void _Copy_Construct(_Tp* __p, const _Tp& __val) {
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)__p, _STLP_SHRED_BYTE, sizeof(_Tp));
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#endif
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_Copy_Construct_aux(__p, __val, _Is_POD(__p)._Answer());
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}
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template <class _T1, class _T2>
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inline void _Param_Construct_aux(_T1* __p, const _T2& __val, const __false_type&) {
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new(__p) _T1(__val);
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}
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template <class _T1, class _T2>
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inline void _Param_Construct_aux(_T1* __p, const _T2& __val, const __true_type&) {
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// We use binary copying for POD types since it results
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// in a considerably better code at least on MSVC.
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*__p = _T1(__val);
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}
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template <class _T1, class _T2>
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inline void _Param_Construct(_T1* __p, const _T2& __val) {
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)__p, _STLP_SHRED_BYTE, sizeof(_T1));
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#endif
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_Param_Construct_aux(__p, __val, _Is_POD(__p)._Answer());
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}
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template <class _T1, class _T2>
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inline void _Move_Construct_Aux(_T1* __p, _T2& __val, const __false_type& /*_IsPOD*/) {
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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new(__p) _T1(_STLP_PRIV _AsMoveSource(__val));
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#else
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_Param_Construct(__p, __val);
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#endif
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}
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template <class _T1, class _T2>
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inline void _Move_Construct_Aux(_T1* __p, _T2& __val, const __true_type& /*_IsPOD*/) {
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// We use binary copying for POD types since it results
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// in a considerably better code at least on MSVC.
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*__p = _T1(__val);
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}
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template <class _T1, class _T2>
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inline void _Move_Construct(_T1* __p, _T2& __val) {
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)__p, _STLP_SHRED_BYTE, sizeof(_T1));
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#endif
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_Move_Construct_Aux(__p, __val, _Is_POD(__p)._Answer());
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}
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#if defined(_STLP_NEW_REDEFINE)
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# if defined (DEBUG_NEW)
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# define new DEBUG_NEW
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# endif
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# undef _STLP_NEW_REDEFINE
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#endif
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template <class _ForwardIterator, class _Tp>
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_STLP_INLINE_LOOP void
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__destroy_range_aux(_ForwardIterator __first, _ForwardIterator __last, _Tp*, const __false_type& /*_Trivial_destructor*/) {
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for ( ; __first != __last; ++__first) {
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__destroy_aux(&(*__first), __false_type());
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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memset((char*)&(*__first), _STLP_SHRED_BYTE, sizeof(_Tp));
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#endif
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}
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}
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template <class _ForwardIterator, class _Tp>
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#if defined (_STLP_DEBUG_UNINITIALIZED)
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_STLP_INLINE_LOOP void
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__destroy_range_aux(_ForwardIterator __first, _ForwardIterator __last, _Tp*, const __true_type& /*_Trivial_destructor*/) {
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for ( ; __first != __last; ++__first)
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memset((char*)&(*__first), _STLP_SHRED_BYTE, sizeof(_Tp));
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}
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#else
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inline void
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__destroy_range_aux(_ForwardIterator, _ForwardIterator, _Tp*, const __true_type& /*_Trivial_destructor*/) {}
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#endif
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template <class _ForwardIterator, class _Tp>
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inline void
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__destroy_range(_ForwardIterator __first, _ForwardIterator __last, _Tp *__ptr) {
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typedef typename __type_traits<_Tp>::has_trivial_destructor _Trivial_destructor;
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__destroy_range_aux(__first, __last, __ptr, _Trivial_destructor());
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}
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template <class _ForwardIterator>
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inline void _Destroy_Range(_ForwardIterator __first, _ForwardIterator __last) {
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__destroy_range(__first, __last, _STLP_VALUE_TYPE(__first, _ForwardIterator));
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}
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inline void _Destroy_Range(char*, char*) {}
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#if defined (_STLP_HAS_WCHAR_T) // dwa 8/15/97
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inline void _Destroy_Range(wchar_t*, wchar_t*) {}
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inline void _Destroy_Range(const wchar_t*, const wchar_t*) {}
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#endif
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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template <class _ForwardIterator, class _Tp>
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inline void
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__destroy_mv_srcs(_ForwardIterator __first, _ForwardIterator __last, _Tp *__ptr) {
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typedef typename __move_traits<_Tp>::complete _CompleteMove;
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__destroy_range_aux(__first, __last, __ptr, _CompleteMove());
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}
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#endif
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template <class _ForwardIterator>
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inline void _Destroy_Moved_Range(_ForwardIterator __first, _ForwardIterator __last)
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#if !defined (_STLP_NO_MOVE_SEMANTIC)
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{ __destroy_mv_srcs(__first, __last, _STLP_VALUE_TYPE(__first, _ForwardIterator)); }
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#else
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{ _Destroy_Range(__first, __last); }
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#endif
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#if defined (_STLP_DEF_CONST_DEF_PARAM_BUG)
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// Those adaptors are here to fix common compiler bug regarding builtins:
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// expressions like int k = int() should initialize k to 0
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template <class _Tp>
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inline _Tp __default_constructed_aux(_Tp*, const __false_type&) {
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return _Tp();
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}
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template <class _Tp>
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inline _Tp __default_constructed_aux(_Tp*, const __true_type&) {
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return _Tp(0);
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}
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template <class _Tp>
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inline _Tp __default_constructed(_Tp* __p) {
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return __default_constructed_aux(__p, _HasDefaultZeroValue(__p)._Answer());
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}
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# define _STLP_DEFAULT_CONSTRUCTED(_TTp) __default_constructed((_TTp*)0)
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#else
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# define _STLP_DEFAULT_CONSTRUCTED(_TTp) _TTp()
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#endif /* _STLP_DEF_CONST_DEF_PARAM_BUG */
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#if !defined (_STLP_NO_ANACHRONISMS)
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// --------------------------------------------------
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// Old names from the HP STL.
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template <class _T1, class _T2>
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inline void construct(_T1* __p, const _T2& __val) {_Param_Construct(__p, __val); }
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template <class _T1>
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inline void construct(_T1* __p) { _STLP_STD::_Construct(__p); }
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template <class _Tp>
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inline void destroy(_Tp* __pointer) { _STLP_STD::_Destroy(__pointer); }
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template <class _ForwardIterator>
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inline void destroy(_ForwardIterator __first, _ForwardIterator __last) { _STLP_STD::_Destroy_Range(__first, __last); }
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#endif /* _STLP_NO_ANACHRONISMS */
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_STLP_END_NAMESPACE
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#endif /* _STLP_INTERNAL_CONSTRUCT_H */
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// Local Variables:
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// mode:C++
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// End:
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