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gcc/libstdc++-v3/include/bits/list.tcc
Phil Edwards 3971a4d235 deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary. 
2002-08-09  Phil Edwards  <pme@gcc.gnu.org>

	* include/bits/deque.tcc, include/bits/list.tcc,
	include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
	include/bits/stl_list.h, include/bits/stl_map.h,
	include/bits/stl_multimap.h, include/bits/stl_queue.h,
	include/bits/stl_stack.h, include/bits/stl_vector.h,
	include/bits/vector.tcc:  Re-indent contents of namespace std,
	re-wrap comment lines as necessary.

From-SVN: r56165
2002-08-09 16:51:15 +00:00

369 lines
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// List implementation (out of line) -*- C++ -*-
// Copyright (C) 2001, 2002 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.
*/
/** @file list.tcc
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
#ifndef __GLIBCPP_INTERNAL_LIST_TCC
#define __GLIBCPP_INTERNAL_LIST_TCC
namespace std
{
template<typename _Tp, typename _Alloc>
void
_List_base<_Tp,_Alloc>::
__clear()
{
typedef _List_node<_Tp> _Node;
_Node* __cur = static_cast<_Node*>(_M_node->_M_next);
while (__cur != _M_node)
{
_Node* __tmp = __cur;
__cur = static_cast<_Node*>(__cur->_M_next);
_Destroy(&__tmp->_M_data);
_M_put_node(__tmp);
}
_M_node->_M_next = _M_node;
_M_node->_M_prev = _M_node;
}
template<typename _Tp, typename _Alloc>
typename list<_Tp,_Alloc>::iterator
list<_Tp,_Alloc>::
insert(iterator __position, const value_type& __x)
{
_Node* __tmp = _M_create_node(__x);
__tmp->_M_next = __position._M_node;
__tmp->_M_prev = __position._M_node->_M_prev;
__position._M_node->_M_prev->_M_next = __tmp;
__position._M_node->_M_prev = __tmp;
return __tmp;
}
template<typename _Tp, typename _Alloc>
typename list<_Tp,_Alloc>::iterator
list<_Tp,_Alloc>::
erase(iterator __position)
{
_List_node_base* __next_node = __position._M_node->_M_next;
_List_node_base* __prev_node = __position._M_node->_M_prev;
_Node* __n = static_cast<_Node*>(__position._M_node);
__prev_node->_M_next = __next_node;
__next_node->_M_prev = __prev_node;
_Destroy(&__n->_M_data);
_M_put_node(__n);
return iterator(static_cast<_Node*>(__next_node));
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
resize(size_type __new_size, const value_type& __x)
{
iterator __i = begin();
size_type __len = 0;
for ( ; __i != end() && __len < __new_size; ++__i, ++__len)
;
if (__len == __new_size)
erase(__i, end());
else // __i == end()
insert(end(), __new_size - __len, __x);
}
template<typename _Tp, typename _Alloc>
list<_Tp,_Alloc>&
list<_Tp,_Alloc>::
operator=(const list& __x)
{
if (this != &__x)
{
iterator __first1 = begin();
iterator __last1 = end();
const_iterator __first2 = __x.begin();
const_iterator __last2 = __x.end();
while (__first1 != __last1 && __first2 != __last2)
*__first1++ = *__first2++;
if (__first2 == __last2)
erase(__first1, __last1);
else
insert(__last1, __first2, __last2);
}
return *this;
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
_M_fill_assign(size_type __n, const value_type& __val)
{
iterator __i = begin();
for ( ; __i != end() && __n > 0; ++__i, --__n)
*__i = __val;
if (__n > 0)
insert(end(), __n, __val);
else
erase(__i, end());
}
template<typename _Tp, typename _Alloc>
template <typename _InputIter>
void
list<_Tp,_Alloc>::
_M_assign_dispatch(_InputIter __first2, _InputIter __last2, __false_type)
{
iterator __first1 = begin();
iterator __last1 = end();
for (; __first1 != __last1 && __first2 != __last2; ++__first1, ++__first2)
*__first1 = *__first2;
if (__first2 == __last2)
erase(__first1, __last1);
else
insert(__last1, __first2, __last2);
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
remove(const value_type& __value)
{
iterator __first = begin();
iterator __last = end();
while (__first != __last)
{
iterator __next = __first;
++__next;
if (*__first == __value)
erase(__first);
__first = __next;
}
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
unique()
{
iterator __first = begin();
iterator __last = end();
if (__first == __last) return;
iterator __next = __first;
while (++__next != __last)
{
if (*__first == *__next)
erase(__next);
else
__first = __next;
__next = __first;
}
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
merge(list& __x)
{
iterator __first1 = begin();
iterator __last1 = end();
iterator __first2 = __x.begin();
iterator __last2 = __x.end();
while (__first1 != __last1 && __first2 != __last2)
if (*__first2 < *__first1)
{
iterator __next = __first2;
_M_transfer(__first1, __first2, ++__next);
__first2 = __next;
}
else
++__first1;
if (__first2 != __last2)
_M_transfer(__last1, __first2, __last2);
}
// FIXME put this somewhere else
inline void
__List_base_reverse(_List_node_base* __p)
{
_List_node_base* __tmp = __p;
do {
std::swap(__tmp->_M_next, __tmp->_M_prev);
__tmp = __tmp->_M_prev; // Old next node is now prev.
} while (__tmp != __p);
}
template<typename _Tp, typename _Alloc>
void
list<_Tp,_Alloc>::
sort()
{
// Do nothing if the list has length 0 or 1.
if (_M_node->_M_next != _M_node && _M_node->_M_next->_M_next != _M_node)
{
list __carry;
list __counter[64];
int __fill = 0;
while (!empty())
{
__carry.splice(__carry.begin(), *this, begin());
int __i = 0;
while(__i < __fill && !__counter[__i].empty())
{
__counter[__i].merge(__carry);
__carry.swap(__counter[__i++]);
}
__carry.swap(__counter[__i]);
if (__i == __fill) ++__fill;
}
for (int __i = 1; __i < __fill; ++__i)
__counter[__i].merge(__counter[__i-1]);
swap(__counter[__fill-1]);
}
}
template<typename _Tp, typename _Alloc>
template <typename _Predicate>
void
list<_Tp,_Alloc>::
remove_if(_Predicate __pred)
{
iterator __first = begin();
iterator __last = end();
while (__first != __last)
{
iterator __next = __first;
++__next;
if (__pred(*__first)) erase(__first);
__first = __next;
}
}
template<typename _Tp, typename _Alloc>
template <typename _BinaryPredicate>
void
list<_Tp,_Alloc>::
unique(_BinaryPredicate __binary_pred)
{
iterator __first = begin();
iterator __last = end();
if (__first == __last) return;
iterator __next = __first;
while (++__next != __last)
{
if (__binary_pred(*__first, *__next))
erase(__next);
else
__first = __next;
__next = __first;
}
}
template<typename _Tp, typename _Alloc>
template <typename _StrictWeakOrdering>
void
list<_Tp,_Alloc>::
merge(list& __x, _StrictWeakOrdering __comp)
{
iterator __first1 = begin();
iterator __last1 = end();
iterator __first2 = __x.begin();
iterator __last2 = __x.end();
while (__first1 != __last1 && __first2 != __last2)
if (__comp(*__first2, *__first1))
{
iterator __next = __first2;
_M_transfer(__first1, __first2, ++__next);
__first2 = __next;
}
else
++__first1;
if (__first2 != __last2) _M_transfer(__last1, __first2, __last2);
}
template<typename _Tp, typename _Alloc>
template <typename _StrictWeakOrdering>
void
list<_Tp,_Alloc>::
sort(_StrictWeakOrdering __comp)
{
// Do nothing if the list has length 0 or 1.
if (_M_node->_M_next != _M_node && _M_node->_M_next->_M_next != _M_node)
{
list __carry;
list __counter[64];
int __fill = 0;
while (!empty())
{
__carry.splice(__carry.begin(), *this, begin());
int __i = 0;
while(__i < __fill && !__counter[__i].empty())
{
__counter[__i].merge(__carry, __comp);
__carry.swap(__counter[__i++]);
}
__carry.swap(__counter[__i]);
if (__i == __fill) ++__fill;
}
for (int __i = 1; __i < __fill; ++__i)
__counter[__i].merge(__counter[__i-1], __comp);
swap(__counter[__fill-1]);
}
}
} // namespace std
#endif /* __GLIBCPP_INTERNAL_LIST_TCC */
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