mirror of git://gcc.gnu.org/git/gcc.git
283 lines
9.1 KiB
C++
283 lines
9.1 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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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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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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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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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 _CPP_BITS_STL_UNINITIALIZED_H
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#define _CPP_BITS_STL_UNINITIALIZED_H 1
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#include <bits/std_cstring.h>
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namespace std
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{
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// uninitialized_copy
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// Valid if copy construction is equivalent to assignment, and if the
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// destructor is trivial.
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template <class _InputIter, class _ForwardIter>
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inline _ForwardIter
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__uninitialized_copy_aux(_InputIter __first, _InputIter __last,
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_ForwardIter __result,
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__true_type)
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{
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return copy(__first, __last, __result);
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}
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template <class _InputIter, class _ForwardIter>
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_ForwardIter
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__uninitialized_copy_aux(_InputIter __first, _InputIter __last,
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_ForwardIter __result,
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__false_type)
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{
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_ForwardIter __cur = __result;
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__STL_TRY {
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for ( ; __first != __last; ++__first, ++__cur)
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_Construct(&*__cur, *__first);
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return __cur;
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}
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__STL_UNWIND(_Destroy(__result, __cur));
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}
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template <class _InputIter, class _ForwardIter, class _Tp>
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inline _ForwardIter
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__uninitialized_copy(_InputIter __first, _InputIter __last,
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_ForwardIter __result, _Tp*)
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{
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typedef typename __type_traits<_Tp>::is_POD_type _Is_POD;
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return __uninitialized_copy_aux(__first, __last, __result, _Is_POD());
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}
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template <class _InputIter, class _ForwardIter>
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inline _ForwardIter
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uninitialized_copy(_InputIter __first, _InputIter __last,
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_ForwardIter __result)
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{
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return __uninitialized_copy(__first, __last, __result,
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__VALUE_TYPE(__result));
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}
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inline char* uninitialized_copy(const char* __first, const char* __last,
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char* __result) {
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memmove(__result, __first, __last - __first);
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return __result + (__last - __first);
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}
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inline wchar_t*
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uninitialized_copy(const wchar_t* __first, const wchar_t* __last,
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wchar_t* __result)
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{
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memmove(__result, __first, sizeof(wchar_t) * (__last - __first));
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return __result + (__last - __first);
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}
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// uninitialized_copy_n (not part of the C++ standard)
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template <class _InputIter, class _Size, class _ForwardIter>
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pair<_InputIter, _ForwardIter>
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__uninitialized_copy_n(_InputIter __first, _Size __count,
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_ForwardIter __result,
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input_iterator_tag)
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{
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_ForwardIter __cur = __result;
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__STL_TRY {
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for ( ; __count > 0 ; --__count, ++__first, ++__cur)
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_Construct(&*__cur, *__first);
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return pair<_InputIter, _ForwardIter>(__first, __cur);
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}
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__STL_UNWIND(_Destroy(__result, __cur));
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}
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template <class _RandomAccessIter, class _Size, class _ForwardIter>
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inline pair<_RandomAccessIter, _ForwardIter>
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__uninitialized_copy_n(_RandomAccessIter __first, _Size __count,
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_ForwardIter __result,
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random_access_iterator_tag) {
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_RandomAccessIter __last = __first + __count;
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return pair<_RandomAccessIter, _ForwardIter>(
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__last,
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uninitialized_copy(__first, __last, __result));
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}
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template <class _InputIter, class _Size, class _ForwardIter>
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inline pair<_InputIter, _ForwardIter>
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__uninitialized_copy_n(_InputIter __first, _Size __count,
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_ForwardIter __result) {
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return __uninitialized_copy_n(__first, __count, __result,
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__ITERATOR_CATEGORY(__first));
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}
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template <class _InputIter, class _Size, class _ForwardIter>
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inline pair<_InputIter, _ForwardIter>
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uninitialized_copy_n(_InputIter __first, _Size __count,
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_ForwardIter __result) {
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return __uninitialized_copy_n(__first, __count, __result,
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__ITERATOR_CATEGORY(__first));
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}
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// Valid if copy construction is equivalent to assignment, and if the
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// destructor is trivial.
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template <class _ForwardIter, class _Tp>
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inline void
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__uninitialized_fill_aux(_ForwardIter __first, _ForwardIter __last,
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const _Tp& __x, __true_type)
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{
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fill(__first, __last, __x);
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}
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template <class _ForwardIter, class _Tp>
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void
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__uninitialized_fill_aux(_ForwardIter __first, _ForwardIter __last,
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const _Tp& __x, __false_type)
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{
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_ForwardIter __cur = __first;
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__STL_TRY {
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for ( ; __cur != __last; ++__cur)
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_Construct(&*__cur, __x);
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}
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__STL_UNWIND(_Destroy(__first, __cur));
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}
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template <class _ForwardIter, class _Tp, class _Tp1>
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inline void __uninitialized_fill(_ForwardIter __first,
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_ForwardIter __last, const _Tp& __x, _Tp1*)
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{
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typedef typename __type_traits<_Tp1>::is_POD_type _Is_POD;
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__uninitialized_fill_aux(__first, __last, __x, _Is_POD());
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}
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template <class _ForwardIter, class _Tp>
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inline void uninitialized_fill(_ForwardIter __first,
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_ForwardIter __last,
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const _Tp& __x)
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{
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__uninitialized_fill(__first, __last, __x, __VALUE_TYPE(__first));
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}
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// Valid if copy construction is equivalent to assignment, and if the
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// destructor is trivial.
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template <class _ForwardIter, class _Size, class _Tp>
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inline _ForwardIter
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__uninitialized_fill_n_aux(_ForwardIter __first, _Size __n,
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const _Tp& __x, __true_type)
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{
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return fill_n(__first, __n, __x);
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}
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template <class _ForwardIter, class _Size, class _Tp>
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_ForwardIter
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__uninitialized_fill_n_aux(_ForwardIter __first, _Size __n,
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const _Tp& __x, __false_type)
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{
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_ForwardIter __cur = __first;
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__STL_TRY {
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for ( ; __n > 0; --__n, ++__cur)
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_Construct(&*__cur, __x);
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return __cur;
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}
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__STL_UNWIND(_Destroy(__first, __cur));
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}
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template <class _ForwardIter, class _Size, class _Tp, class _Tp1>
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inline _ForwardIter
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__uninitialized_fill_n(_ForwardIter __first, _Size __n, const _Tp& __x, _Tp1*)
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{
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typedef typename __type_traits<_Tp1>::is_POD_type _Is_POD;
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return __uninitialized_fill_n_aux(__first, __n, __x, _Is_POD());
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}
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template <class _ForwardIter, class _Size, class _Tp>
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inline _ForwardIter
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uninitialized_fill_n(_ForwardIter __first, _Size __n, const _Tp& __x)
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{
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return __uninitialized_fill_n(__first, __n, __x, __VALUE_TYPE(__first));
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}
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// Extensions: __uninitialized_copy_copy, __uninitialized_copy_fill,
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// __uninitialized_fill_copy.
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// __uninitialized_copy_copy
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// Copies [first1, last1) into [result, result + (last1 - first1)), and
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// copies [first2, last2) into
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// [result, result + (last1 - first1) + (last2 - first2)).
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template <class _InputIter1, class _InputIter2, class _ForwardIter>
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inline _ForwardIter
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__uninitialized_copy_copy(_InputIter1 __first1, _InputIter1 __last1,
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_InputIter2 __first2, _InputIter2 __last2,
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_ForwardIter __result)
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{
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_ForwardIter __mid = uninitialized_copy(__first1, __last1, __result);
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__STL_TRY {
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return uninitialized_copy(__first2, __last2, __mid);
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}
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__STL_UNWIND(_Destroy(__result, __mid));
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}
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// __uninitialized_fill_copy
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// Fills [result, mid) with x, and copies [first, last) into
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// [mid, mid + (last - first)).
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template <class _ForwardIter, class _Tp, class _InputIter>
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inline _ForwardIter
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__uninitialized_fill_copy(_ForwardIter __result, _ForwardIter __mid,
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const _Tp& __x,
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_InputIter __first, _InputIter __last)
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{
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uninitialized_fill(__result, __mid, __x);
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__STL_TRY {
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return uninitialized_copy(__first, __last, __mid);
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}
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__STL_UNWIND(_Destroy(__result, __mid));
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}
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// __uninitialized_copy_fill
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// Copies [first1, last1) into [first2, first2 + (last1 - first1)), and
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// fills [first2 + (last1 - first1), last2) with x.
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template <class _InputIter, class _ForwardIter, class _Tp>
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inline void
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__uninitialized_copy_fill(_InputIter __first1, _InputIter __last1,
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_ForwardIter __first2, _ForwardIter __last2,
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const _Tp& __x)
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{
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_ForwardIter __mid2 = uninitialized_copy(__first1, __last1, __first2);
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__STL_TRY {
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uninitialized_fill(__mid2, __last2, __x);
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}
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__STL_UNWIND(_Destroy(__first2, __mid2));
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}
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} // namespace std
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#endif /* _CPP_BITS_STL_UNINITIALIZED_H */
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// Local Variables:
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// mode:C++
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// End:
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