// Deque implementation (out of line) -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+// 2009, 2010, 2011, 2012
+// 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)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// 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.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
/*
*
* purpose. It is provided "as is" without express or implied warranty.
*/
-/** @file deque.tcc
+/** @file bits/deque.tcc
* This is an internal header file, included by other library headers.
- * You should not attempt to use it directly.
+ * Do not attempt to use it directly. @headername{deque}
*/
#ifndef _DEQUE_TCC
#define _DEQUE_TCC 1
-_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD)
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template <typename _Tp, typename _Alloc>
+ void
+ deque<_Tp, _Alloc>::
+ _M_default_initialize()
+ {
+ _Map_pointer __cur;
+ __try
+ {
+ for (__cur = this->_M_impl._M_start._M_node;
+ __cur < this->_M_impl._M_finish._M_node;
+ ++__cur)
+ std::__uninitialized_default_a(*__cur, *__cur + _S_buffer_size(),
+ _M_get_Tp_allocator());
+ std::__uninitialized_default_a(this->_M_impl._M_finish._M_first,
+ this->_M_impl._M_finish._M_cur,
+ _M_get_Tp_allocator());
+ }
+ __catch(...)
+ {
+ std::_Destroy(this->_M_impl._M_start, iterator(*__cur, __cur),
+ _M_get_Tp_allocator());
+ __throw_exception_again;
+ }
+ }
+#endif
template <typename _Tp, typename _Alloc>
deque<_Tp, _Alloc>&
return *this;
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Tp, typename _Alloc>
+ template<typename... _Args>
+ void
+ deque<_Tp, _Alloc>::
+ emplace_front(_Args&&... __args)
+ {
+ if (this->_M_impl._M_start._M_cur != this->_M_impl._M_start._M_first)
+ {
+ this->_M_impl.construct(this->_M_impl._M_start._M_cur - 1,
+ std::forward<_Args>(__args)...);
+ --this->_M_impl._M_start._M_cur;
+ }
+ else
+ _M_push_front_aux(std::forward<_Args>(__args)...);
+ }
+
+ template<typename _Tp, typename _Alloc>
+ template<typename... _Args>
+ void
+ deque<_Tp, _Alloc>::
+ emplace_back(_Args&&... __args)
+ {
+ if (this->_M_impl._M_finish._M_cur
+ != this->_M_impl._M_finish._M_last - 1)
+ {
+ this->_M_impl.construct(this->_M_impl._M_finish._M_cur,
+ std::forward<_Args>(__args)...);
+ ++this->_M_impl._M_finish._M_cur;
+ }
+ else
+ _M_push_back_aux(std::forward<_Args>(__args)...);
+ }
+#endif
+
template <typename _Tp, typename _Alloc>
typename deque<_Tp, _Alloc>::iterator
deque<_Tp, _Alloc>::
return _M_insert_aux(__position, __x);
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Tp, typename _Alloc>
+ template<typename... _Args>
+ typename deque<_Tp, _Alloc>::iterator
+ deque<_Tp, _Alloc>::
+ emplace(iterator __position, _Args&&... __args)
+ {
+ if (__position._M_cur == this->_M_impl._M_start._M_cur)
+ {
+ emplace_front(std::forward<_Args>(__args)...);
+ return this->_M_impl._M_start;
+ }
+ else if (__position._M_cur == this->_M_impl._M_finish._M_cur)
+ {
+ emplace_back(std::forward<_Args>(__args)...);
+ iterator __tmp = this->_M_impl._M_finish;
+ --__tmp;
+ return __tmp;
+ }
+ else
+ return _M_insert_aux(__position, std::forward<_Args>(__args)...);
+ }
+#endif
+
template <typename _Tp, typename _Alloc>
typename deque<_Tp, _Alloc>::iterator
deque<_Tp, _Alloc>::
if (static_cast<size_type>(__index) < (size() >> 1))
{
if (__position != begin())
- std::copy_backward(begin(), __position, __next);
+ _GLIBCXX_MOVE_BACKWARD3(begin(), __position, __next);
pop_front();
}
else
{
if (__next != end())
- std::copy(__next, end(), __position);
+ _GLIBCXX_MOVE3(__next, end(), __position);
pop_back();
}
return begin() + __index;
deque<_Tp, _Alloc>::
erase(iterator __first, iterator __last)
{
- if (__first == begin() && __last == end())
+ if (__first == __last)
+ return __first;
+ else if (__first == begin() && __last == end())
{
clear();
return end();
{
const difference_type __n = __last - __first;
const difference_type __elems_before = __first - begin();
- if (static_cast<size_type>(__elems_before) < (size() - __n) / 2)
+ if (static_cast<size_type>(__elems_before) <= (size() - __n) / 2)
{
if (__first != begin())
- std::copy_backward(begin(), __first, __last);
+ _GLIBCXX_MOVE_BACKWARD3(begin(), __first, __last);
_M_erase_at_begin(begin() + __n);
}
else
{
if (__last != end())
- std::copy(__last, end(), __first);
+ _GLIBCXX_MOVE3(__last, end(), __first);
_M_erase_at_end(end() - __n);
}
return begin() + __elems_before;
if (__pos._M_cur == this->_M_impl._M_start._M_cur)
{
iterator __new_start = _M_reserve_elements_at_front(__n);
- try
+ __try
{
std::__uninitialized_fill_a(__new_start, this->_M_impl._M_start,
__x, _M_get_Tp_allocator());
this->_M_impl._M_start = __new_start;
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(__new_start._M_node,
this->_M_impl._M_start._M_node);
else if (__pos._M_cur == this->_M_impl._M_finish._M_cur)
{
iterator __new_finish = _M_reserve_elements_at_back(__n);
- try
+ __try
{
std::__uninitialized_fill_a(this->_M_impl._M_finish,
__new_finish, __x,
_M_get_Tp_allocator());
this->_M_impl._M_finish = __new_finish;
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
__new_finish._M_node + 1);
_M_insert_aux(__pos, __n, __x);
}
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template <typename _Tp, typename _Alloc>
+ void
+ deque<_Tp, _Alloc>::
+ _M_default_append(size_type __n)
+ {
+ if (__n)
+ {
+ iterator __new_finish = _M_reserve_elements_at_back(__n);
+ __try
+ {
+ std::__uninitialized_default_a(this->_M_impl._M_finish,
+ __new_finish,
+ _M_get_Tp_allocator());
+ this->_M_impl._M_finish = __new_finish;
+ }
+ __catch(...)
+ {
+ _M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
+ __new_finish._M_node + 1);
+ __throw_exception_again;
+ }
+ }
+ }
+
+ template <typename _Tp, typename _Alloc>
+ bool
+ deque<_Tp, _Alloc>::
+ _M_shrink_to_fit()
+ {
+ const difference_type __front_capacity
+ = (this->_M_impl._M_start._M_cur - this->_M_impl._M_start._M_first);
+ if (__front_capacity == 0)
+ return false;
+
+ const difference_type __back_capacity
+ = (this->_M_impl._M_finish._M_last - this->_M_impl._M_finish._M_cur);
+ if (__front_capacity + __back_capacity < _S_buffer_size())
+ return false;
+
+ return std::__shrink_to_fit_aux<deque>::_S_do_it(*this);
+ }
+#endif
+
template <typename _Tp, typename _Alloc>
void
deque<_Tp, _Alloc>::
_M_fill_initialize(const value_type& __value)
{
_Map_pointer __cur;
- try
+ __try
{
for (__cur = this->_M_impl._M_start._M_node;
__cur < this->_M_impl._M_finish._M_node;
this->_M_impl._M_finish._M_cur,
__value, _M_get_Tp_allocator());
}
- catch(...)
+ __catch(...)
{
std::_Destroy(this->_M_impl._M_start, iterator(*__cur, __cur),
_M_get_Tp_allocator());
std::input_iterator_tag)
{
this->_M_initialize_map(0);
- try
+ __try
{
for (; __first != __last; ++__first)
push_back(*__first);
}
- catch(...)
+ __catch(...)
{
clear();
__throw_exception_again;
this->_M_initialize_map(__n);
_Map_pointer __cur_node;
- try
+ __try
{
for (__cur_node = this->_M_impl._M_start._M_node;
__cur_node < this->_M_impl._M_finish._M_node;
++__cur_node)
- {
- _ForwardIterator __mid = __first;
- std::advance(__mid, _S_buffer_size());
- std::__uninitialized_copy_a(__first, __mid, *__cur_node,
- _M_get_Tp_allocator());
- __first = __mid;
- }
+ {
+ _ForwardIterator __mid = __first;
+ std::advance(__mid, _S_buffer_size());
+ std::__uninitialized_copy_a(__first, __mid, *__cur_node,
+ _M_get_Tp_allocator());
+ __first = __mid;
+ }
std::__uninitialized_copy_a(__first, __last,
this->_M_impl._M_finish._M_first,
_M_get_Tp_allocator());
}
- catch(...)
+ __catch(...)
{
std::_Destroy(this->_M_impl._M_start,
iterator(*__cur_node, __cur_node),
}
// Called only if _M_impl._M_finish._M_cur == _M_impl._M_finish._M_last - 1.
- template <typename _Tp, typename _Alloc>
- void
- deque<_Tp, _Alloc>::
- _M_push_back_aux(const value_type& __t)
- {
- value_type __t_copy = __t;
- _M_reserve_map_at_back();
- *(this->_M_impl._M_finish._M_node + 1) = this->_M_allocate_node();
- try
- {
- this->_M_impl.construct(this->_M_impl._M_finish._M_cur, __t_copy);
- this->_M_impl._M_finish._M_set_node(this->_M_impl._M_finish._M_node
- + 1);
- this->_M_impl._M_finish._M_cur = this->_M_impl._M_finish._M_first;
- }
- catch(...)
- {
- _M_deallocate_node(*(this->_M_impl._M_finish._M_node + 1));
- __throw_exception_again;
- }
- }
+ template<typename _Tp, typename _Alloc>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename... _Args>
+ void
+ deque<_Tp, _Alloc>::
+ _M_push_back_aux(_Args&&... __args)
+#else
+ void
+ deque<_Tp, _Alloc>::
+ _M_push_back_aux(const value_type& __t)
+#endif
+ {
+ _M_reserve_map_at_back();
+ *(this->_M_impl._M_finish._M_node + 1) = this->_M_allocate_node();
+ __try
+ {
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ this->_M_impl.construct(this->_M_impl._M_finish._M_cur,
+ std::forward<_Args>(__args)...);
+#else
+ this->_M_impl.construct(this->_M_impl._M_finish._M_cur, __t);
+#endif
+ this->_M_impl._M_finish._M_set_node(this->_M_impl._M_finish._M_node
+ + 1);
+ this->_M_impl._M_finish._M_cur = this->_M_impl._M_finish._M_first;
+ }
+ __catch(...)
+ {
+ _M_deallocate_node(*(this->_M_impl._M_finish._M_node + 1));
+ __throw_exception_again;
+ }
+ }
// Called only if _M_impl._M_start._M_cur == _M_impl._M_start._M_first.
- template <typename _Tp, typename _Alloc>
- void
- deque<_Tp, _Alloc>::
- _M_push_front_aux(const value_type& __t)
- {
- value_type __t_copy = __t;
- _M_reserve_map_at_front();
- *(this->_M_impl._M_start._M_node - 1) = this->_M_allocate_node();
- try
- {
- this->_M_impl._M_start._M_set_node(this->_M_impl._M_start._M_node
- - 1);
- this->_M_impl._M_start._M_cur = this->_M_impl._M_start._M_last - 1;
- this->_M_impl.construct(this->_M_impl._M_start._M_cur, __t_copy);
- }
- catch(...)
- {
- ++this->_M_impl._M_start;
- _M_deallocate_node(*(this->_M_impl._M_start._M_node - 1));
- __throw_exception_again;
- }
- }
+ template<typename _Tp, typename _Alloc>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename... _Args>
+ void
+ deque<_Tp, _Alloc>::
+ _M_push_front_aux(_Args&&... __args)
+#else
+ void
+ deque<_Tp, _Alloc>::
+ _M_push_front_aux(const value_type& __t)
+#endif
+ {
+ _M_reserve_map_at_front();
+ *(this->_M_impl._M_start._M_node - 1) = this->_M_allocate_node();
+ __try
+ {
+ this->_M_impl._M_start._M_set_node(this->_M_impl._M_start._M_node
+ - 1);
+ this->_M_impl._M_start._M_cur = this->_M_impl._M_start._M_last - 1;
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ this->_M_impl.construct(this->_M_impl._M_start._M_cur,
+ std::forward<_Args>(__args)...);
+#else
+ this->_M_impl.construct(this->_M_impl._M_start._M_cur, __t);
+#endif
+ }
+ __catch(...)
+ {
+ ++this->_M_impl._M_start;
+ _M_deallocate_node(*(this->_M_impl._M_start._M_node - 1));
+ __throw_exception_again;
+ }
+ }
// Called only if _M_impl._M_finish._M_cur == _M_impl._M_finish._M_first.
template <typename _Tp, typename _Alloc>
if (__pos._M_cur == this->_M_impl._M_start._M_cur)
{
iterator __new_start = _M_reserve_elements_at_front(__n);
- try
+ __try
{
std::__uninitialized_copy_a(__first, __last, __new_start,
_M_get_Tp_allocator());
this->_M_impl._M_start = __new_start;
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(__new_start._M_node,
this->_M_impl._M_start._M_node);
else if (__pos._M_cur == this->_M_impl._M_finish._M_cur)
{
iterator __new_finish = _M_reserve_elements_at_back(__n);
- try
+ __try
{
std::__uninitialized_copy_a(__first, __last,
this->_M_impl._M_finish,
_M_get_Tp_allocator());
this->_M_impl._M_finish = __new_finish;
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
__new_finish._M_node + 1);
_M_insert_aux(__pos, __first, __last, __n);
}
- template <typename _Tp, typename _Alloc>
+ template<typename _Tp, typename _Alloc>
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename... _Args>
+ typename deque<_Tp, _Alloc>::iterator
+ deque<_Tp, _Alloc>::
+ _M_insert_aux(iterator __pos, _Args&&... __args)
+ {
+ value_type __x_copy(std::forward<_Args>(__args)...); // XXX copy
+#else
typename deque<_Tp, _Alloc>::iterator
- deque<_Tp, _Alloc>::
- _M_insert_aux(iterator __pos, const value_type& __x)
- {
- difference_type __index = __pos - this->_M_impl._M_start;
- value_type __x_copy = __x; // XXX copy
- if (static_cast<size_type>(__index) < size() / 2)
- {
- push_front(front());
- iterator __front1 = this->_M_impl._M_start;
- ++__front1;
- iterator __front2 = __front1;
- ++__front2;
- __pos = this->_M_impl._M_start + __index;
- iterator __pos1 = __pos;
- ++__pos1;
- std::copy(__front2, __pos1, __front1);
- }
- else
- {
- push_back(back());
- iterator __back1 = this->_M_impl._M_finish;
- --__back1;
- iterator __back2 = __back1;
- --__back2;
- __pos = this->_M_impl._M_start + __index;
- std::copy_backward(__pos, __back2, __back1);
- }
- *__pos = __x_copy;
- return __pos;
- }
+ deque<_Tp, _Alloc>::
+ _M_insert_aux(iterator __pos, const value_type& __x)
+ {
+ value_type __x_copy = __x; // XXX copy
+#endif
+ difference_type __index = __pos - this->_M_impl._M_start;
+ if (static_cast<size_type>(__index) < size() / 2)
+ {
+ push_front(_GLIBCXX_MOVE(front()));
+ iterator __front1 = this->_M_impl._M_start;
+ ++__front1;
+ iterator __front2 = __front1;
+ ++__front2;
+ __pos = this->_M_impl._M_start + __index;
+ iterator __pos1 = __pos;
+ ++__pos1;
+ _GLIBCXX_MOVE3(__front2, __pos1, __front1);
+ }
+ else
+ {
+ push_back(_GLIBCXX_MOVE(back()));
+ iterator __back1 = this->_M_impl._M_finish;
+ --__back1;
+ iterator __back2 = __back1;
+ --__back2;
+ __pos = this->_M_impl._M_start + __index;
+ _GLIBCXX_MOVE_BACKWARD3(__pos, __back2, __back1);
+ }
+ *__pos = _GLIBCXX_MOVE(__x_copy);
+ return __pos;
+ }
template <typename _Tp, typename _Alloc>
void
iterator __new_start = _M_reserve_elements_at_front(__n);
iterator __old_start = this->_M_impl._M_start;
__pos = this->_M_impl._M_start + __elems_before;
- try
+ __try
{
if (__elems_before >= difference_type(__n))
{
iterator __start_n = (this->_M_impl._M_start
+ difference_type(__n));
- std::__uninitialized_copy_a(this->_M_impl._M_start,
+ std::__uninitialized_move_a(this->_M_impl._M_start,
__start_n, __new_start,
_M_get_Tp_allocator());
this->_M_impl._M_start = __new_start;
- std::copy(__start_n, __pos, __old_start);
+ _GLIBCXX_MOVE3(__start_n, __pos, __old_start);
std::fill(__pos - difference_type(__n), __pos, __x_copy);
}
else
{
- std::__uninitialized_copy_fill(this->_M_impl._M_start,
+ std::__uninitialized_move_fill(this->_M_impl._M_start,
__pos, __new_start,
this->_M_impl._M_start,
__x_copy,
std::fill(__old_start, __pos, __x_copy);
}
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(__new_start._M_node,
this->_M_impl._M_start._M_node);
const difference_type __elems_after =
difference_type(__length) - __elems_before;
__pos = this->_M_impl._M_finish - __elems_after;
- try
+ __try
{
if (__elems_after > difference_type(__n))
{
iterator __finish_n = (this->_M_impl._M_finish
- difference_type(__n));
- std::__uninitialized_copy_a(__finish_n,
+ std::__uninitialized_move_a(__finish_n,
this->_M_impl._M_finish,
this->_M_impl._M_finish,
_M_get_Tp_allocator());
this->_M_impl._M_finish = __new_finish;
- std::copy_backward(__pos, __finish_n, __old_finish);
+ _GLIBCXX_MOVE_BACKWARD3(__pos, __finish_n, __old_finish);
std::fill(__pos, __pos + difference_type(__n), __x_copy);
}
else
{
- std::__uninitialized_fill_copy(this->_M_impl._M_finish,
+ std::__uninitialized_fill_move(this->_M_impl._M_finish,
__pos + difference_type(__n),
__x_copy, __pos,
this->_M_impl._M_finish,
std::fill(__pos, __old_finish, __x_copy);
}
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
__new_finish._M_node + 1);
iterator __new_start = _M_reserve_elements_at_front(__n);
iterator __old_start = this->_M_impl._M_start;
__pos = this->_M_impl._M_start + __elemsbefore;
- try
+ __try
{
if (__elemsbefore >= difference_type(__n))
{
iterator __start_n = (this->_M_impl._M_start
+ difference_type(__n));
- std::__uninitialized_copy_a(this->_M_impl._M_start,
+ std::__uninitialized_move_a(this->_M_impl._M_start,
__start_n, __new_start,
_M_get_Tp_allocator());
this->_M_impl._M_start = __new_start;
- std::copy(__start_n, __pos, __old_start);
+ _GLIBCXX_MOVE3(__start_n, __pos, __old_start);
std::copy(__first, __last, __pos - difference_type(__n));
}
else
{
_ForwardIterator __mid = __first;
std::advance(__mid, difference_type(__n) - __elemsbefore);
- std::__uninitialized_copy_copy(this->_M_impl._M_start,
+ std::__uninitialized_move_copy(this->_M_impl._M_start,
__pos, __first, __mid,
__new_start,
_M_get_Tp_allocator());
std::copy(__mid, __last, __old_start);
}
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(__new_start._M_node,
this->_M_impl._M_start._M_node);
const difference_type __elemsafter =
difference_type(__length) - __elemsbefore;
__pos = this->_M_impl._M_finish - __elemsafter;
- try
+ __try
{
if (__elemsafter > difference_type(__n))
{
iterator __finish_n = (this->_M_impl._M_finish
- difference_type(__n));
- std::__uninitialized_copy_a(__finish_n,
+ std::__uninitialized_move_a(__finish_n,
this->_M_impl._M_finish,
this->_M_impl._M_finish,
_M_get_Tp_allocator());
this->_M_impl._M_finish = __new_finish;
- std::copy_backward(__pos, __finish_n, __old_finish);
+ _GLIBCXX_MOVE_BACKWARD3(__pos, __finish_n, __old_finish);
std::copy(__first, __last, __pos);
}
else
{
_ForwardIterator __mid = __first;
std::advance(__mid, __elemsafter);
- std::__uninitialized_copy_copy(__mid, __last, __pos,
+ std::__uninitialized_copy_move(__mid, __last, __pos,
this->_M_impl._M_finish,
this->_M_impl._M_finish,
_M_get_Tp_allocator());
std::copy(__first, __mid, __pos);
}
}
- catch(...)
+ __catch(...)
{
_M_destroy_nodes(this->_M_impl._M_finish._M_node + 1,
__new_finish._M_node + 1);
deque<_Tp, _Alloc>::
_M_new_elements_at_front(size_type __new_elems)
{
- const size_type __new_nodes
- = (__new_elems + _S_buffer_size() - 1) / _S_buffer_size();
+ if (this->max_size() - this->size() < __new_elems)
+ __throw_length_error(__N("deque::_M_new_elements_at_front"));
+
+ const size_type __new_nodes = ((__new_elems + _S_buffer_size() - 1)
+ / _S_buffer_size());
_M_reserve_map_at_front(__new_nodes);
size_type __i;
- try
+ __try
{
for (__i = 1; __i <= __new_nodes; ++__i)
*(this->_M_impl._M_start._M_node - __i) = this->_M_allocate_node();
}
- catch(...)
+ __catch(...)
{
for (size_type __j = 1; __j < __i; ++__j)
_M_deallocate_node(*(this->_M_impl._M_start._M_node - __j));
deque<_Tp, _Alloc>::
_M_new_elements_at_back(size_type __new_elems)
{
- const size_type __new_nodes
- = (__new_elems + _S_buffer_size() - 1) / _S_buffer_size();
+ if (this->max_size() - this->size() < __new_elems)
+ __throw_length_error(__N("deque::_M_new_elements_at_back"));
+
+ const size_type __new_nodes = ((__new_elems + _S_buffer_size() - 1)
+ / _S_buffer_size());
_M_reserve_map_at_back(__new_nodes);
size_type __i;
- try
+ __try
{
for (__i = 1; __i <= __new_nodes; ++__i)
*(this->_M_impl._M_finish._M_node + __i) = this->_M_allocate_node();
}
- catch(...)
+ __catch(...)
{
for (size_type __j = 1; __j < __i; ++__j)
_M_deallocate_node(*(this->_M_impl._M_finish._M_node + __j));
+ (__add_at_front ? __nodes_to_add : 0);
if (__new_nstart < this->_M_impl._M_start._M_node)
std::copy(this->_M_impl._M_start._M_node,
- this->_M_impl._M_finish._M_node + 1,
- __new_nstart);
+ this->_M_impl._M_finish._M_node + 1,
+ __new_nstart);
else
std::copy_backward(this->_M_impl._M_start._M_node,
this->_M_impl._M_finish._M_node + 1,
}
// Overload for deque::iterators, exploiting the "segmented-iterator
- // optimization". NB: leave const_iterators alone!
+ // optimization".
template<typename _Tp>
void
fill(const _Deque_iterator<_Tp, _Tp&, _Tp*>& __first,
std::fill(__first._M_cur, __last._M_cur, __value);
}
-_GLIBCXX_END_NESTED_NAMESPACE
+ template<typename _Tp>
+ _Deque_iterator<_Tp, _Tp&, _Tp*>
+ copy(_Deque_iterator<_Tp, const _Tp&, const _Tp*> __first,
+ _Deque_iterator<_Tp, const _Tp&, const _Tp*> __last,
+ _Deque_iterator<_Tp, _Tp&, _Tp*> __result)
+ {
+ typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self;
+ typedef typename _Self::difference_type difference_type;
+
+ difference_type __len = __last - __first;
+ while (__len > 0)
+ {
+ const difference_type __clen
+ = std::min(__len, std::min(__first._M_last - __first._M_cur,
+ __result._M_last - __result._M_cur));
+ std::copy(__first._M_cur, __first._M_cur + __clen, __result._M_cur);
+ __first += __clen;
+ __result += __clen;
+ __len -= __clen;
+ }
+ return __result;
+ }
+
+ template<typename _Tp>
+ _Deque_iterator<_Tp, _Tp&, _Tp*>
+ copy_backward(_Deque_iterator<_Tp, const _Tp&, const _Tp*> __first,
+ _Deque_iterator<_Tp, const _Tp&, const _Tp*> __last,
+ _Deque_iterator<_Tp, _Tp&, _Tp*> __result)
+ {
+ typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self;
+ typedef typename _Self::difference_type difference_type;
+
+ difference_type __len = __last - __first;
+ while (__len > 0)
+ {
+ difference_type __llen = __last._M_cur - __last._M_first;
+ _Tp* __lend = __last._M_cur;
+
+ difference_type __rlen = __result._M_cur - __result._M_first;
+ _Tp* __rend = __result._M_cur;
+
+ if (!__llen)
+ {
+ __llen = _Self::_S_buffer_size();
+ __lend = *(__last._M_node - 1) + __llen;
+ }
+ if (!__rlen)
+ {
+ __rlen = _Self::_S_buffer_size();
+ __rend = *(__result._M_node - 1) + __rlen;
+ }
+
+ const difference_type __clen = std::min(__len,
+ std::min(__llen, __rlen));
+ std::copy_backward(__lend - __clen, __lend, __rend);
+ __last -= __clen;
+ __result -= __clen;
+ __len -= __clen;
+ }
+ return __result;
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Tp>
+ _Deque_iterator<_Tp, _Tp&, _Tp*>
+ move(_Deque_iterator<_Tp, const _Tp&, const _Tp*> __first,
+ _Deque_iterator<_Tp, const _Tp&, const _Tp*> __last,
+ _Deque_iterator<_Tp, _Tp&, _Tp*> __result)
+ {
+ typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self;
+ typedef typename _Self::difference_type difference_type;
+
+ difference_type __len = __last - __first;
+ while (__len > 0)
+ {
+ const difference_type __clen
+ = std::min(__len, std::min(__first._M_last - __first._M_cur,
+ __result._M_last - __result._M_cur));
+ std::move(__first._M_cur, __first._M_cur + __clen, __result._M_cur);
+ __first += __clen;
+ __result += __clen;
+ __len -= __clen;
+ }
+ return __result;
+ }
+
+ template<typename _Tp>
+ _Deque_iterator<_Tp, _Tp&, _Tp*>
+ move_backward(_Deque_iterator<_Tp, const _Tp&, const _Tp*> __first,
+ _Deque_iterator<_Tp, const _Tp&, const _Tp*> __last,
+ _Deque_iterator<_Tp, _Tp&, _Tp*> __result)
+ {
+ typedef typename _Deque_iterator<_Tp, _Tp&, _Tp*>::_Self _Self;
+ typedef typename _Self::difference_type difference_type;
+
+ difference_type __len = __last - __first;
+ while (__len > 0)
+ {
+ difference_type __llen = __last._M_cur - __last._M_first;
+ _Tp* __lend = __last._M_cur;
+
+ difference_type __rlen = __result._M_cur - __result._M_first;
+ _Tp* __rend = __result._M_cur;
+
+ if (!__llen)
+ {
+ __llen = _Self::_S_buffer_size();
+ __lend = *(__last._M_node - 1) + __llen;
+ }
+ if (!__rlen)
+ {
+ __rlen = _Self::_S_buffer_size();
+ __rend = *(__result._M_node - 1) + __rlen;
+ }
+
+ const difference_type __clen = std::min(__len,
+ std::min(__llen, __rlen));
+ std::move_backward(__lend - __clen, __lend, __rend);
+ __last -= __clen;
+ __result -= __clen;
+ __len -= __clen;
+ }
+ return __result;
+ }
+#endif
+
+_GLIBCXX_END_NAMESPACE_CONTAINER
+} // namespace std
#endif