394 lines
10 KiB
C++
394 lines
10 KiB
C++
// Debugging deque implementation -*- C++ -*-
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// Copyright (C) 2003, 2004, 2005
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// Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/** @file debug/deque
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* This file is a GNU debug extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_DEBUG_DEQUE
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#define _GLIBCXX_DEBUG_DEQUE 1
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#include <deque>
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#include <debug/safe_sequence.h>
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#include <debug/safe_iterator.h>
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namespace std
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{
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namespace __debug
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{
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template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
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class deque
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: public _GLIBCXX_STD::deque<_Tp, _Allocator>,
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public __gnu_debug::_Safe_sequence<deque<_Tp, _Allocator> >
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{
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typedef _GLIBCXX_STD::deque<_Tp, _Allocator> _Base;
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typedef __gnu_debug::_Safe_sequence<deque> _Safe_base;
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public:
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typedef typename _Base::reference reference;
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typedef typename _Base::const_reference const_reference;
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typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,deque>
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iterator;
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typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,deque>
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const_iterator;
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typedef typename _Base::size_type size_type;
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typedef typename _Base::difference_type difference_type;
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typedef _Tp value_type;
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typedef _Allocator allocator_type;
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typedef typename _Base::pointer pointer;
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typedef typename _Base::const_pointer const_pointer;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// 23.2.1.1 construct/copy/destroy:
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explicit deque(const _Allocator& __a = _Allocator())
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: _Base(__a) { }
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explicit deque(size_type __n, const _Tp& __value = _Tp(),
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const _Allocator& __a = _Allocator())
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: _Base(__n, __value, __a) { }
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template<class _InputIterator>
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deque(_InputIterator __first, _InputIterator __last,
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const _Allocator& __a = _Allocator())
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: _Base(__gnu_debug::__check_valid_range(__first, __last), __last, __a)
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{ }
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deque(const deque<_Tp,_Allocator>& __x) : _Base(__x), _Safe_base() { }
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deque(const _Base& __x) : _Base(__x), _Safe_base() { }
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~deque() { }
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deque<_Tp,_Allocator>&
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operator=(const deque<_Tp,_Allocator>& __x)
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{
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*static_cast<_Base*>(this) = __x;
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this->_M_invalidate_all();
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return *this;
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}
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template<class _InputIterator>
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void
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assign(_InputIterator __first, _InputIterator __last)
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{
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__glibcxx_check_valid_range(__first, __last);
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_Base::assign(__first, __last);
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this->_M_invalidate_all();
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}
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void
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assign(size_type __n, const _Tp& __t)
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{
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_Base::assign(__n, __t);
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this->_M_invalidate_all();
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}
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using _Base::get_allocator;
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// iterators:
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iterator
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begin()
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{ return iterator(_Base::begin(), this); }
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const_iterator
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begin() const
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{ return const_iterator(_Base::begin(), this); }
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iterator
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end()
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{ return iterator(_Base::end(), this); }
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const_iterator
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end() const
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{ return const_iterator(_Base::end(), this); }
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reverse_iterator
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rbegin()
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{ return reverse_iterator(end()); }
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const_reverse_iterator
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rbegin() const
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{ return const_reverse_iterator(end()); }
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reverse_iterator
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rend()
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{ return reverse_iterator(begin()); }
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const_reverse_iterator
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rend() const
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{ return const_reverse_iterator(begin()); }
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// 23.2.1.2 capacity:
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using _Base::size;
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using _Base::max_size;
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void
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resize(size_type __sz, _Tp __c = _Tp())
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{
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typedef typename _Base::const_iterator _Base_const_iterator;
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typedef __gnu_debug::_After_nth_from<_Base_const_iterator> _After_nth;
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bool __invalidate_all = __sz > this->size();
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if (__sz < this->size())
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this->_M_invalidate_if(_After_nth(__sz, _M_base().begin()));
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_Base::resize(__sz, __c);
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if (__invalidate_all)
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this->_M_invalidate_all();
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}
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using _Base::empty;
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// element access:
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reference
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operator[](size_type __n)
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{
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__glibcxx_check_subscript(__n);
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return _M_base()[__n];
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}
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const_reference
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operator[](size_type __n) const
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{
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__glibcxx_check_subscript(__n);
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return _M_base()[__n];
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}
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using _Base::at;
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reference
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front()
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{
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__glibcxx_check_nonempty();
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return _Base::front();
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}
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const_reference
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front() const
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{
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__glibcxx_check_nonempty();
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return _Base::front();
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}
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reference
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back()
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{
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__glibcxx_check_nonempty();
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return _Base::back();
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}
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const_reference
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back() const
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{
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__glibcxx_check_nonempty();
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return _Base::back();
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}
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// 23.2.1.3 modifiers:
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void
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push_front(const _Tp& __x)
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{
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_Base::push_front(__x);
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this->_M_invalidate_all();
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}
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void
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push_back(const _Tp& __x)
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{
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_Base::push_back(__x);
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this->_M_invalidate_all();
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}
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iterator
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insert(iterator __position, const _Tp& __x)
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{
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__glibcxx_check_insert(__position);
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typename _Base::iterator __res = _Base::insert(__position.base(), __x);
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this->_M_invalidate_all();
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return iterator(__res, this);
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}
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void
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insert(iterator __position, size_type __n, const _Tp& __x)
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{
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__glibcxx_check_insert(__position);
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_Base::insert(__position.base(), __n, __x);
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this->_M_invalidate_all();
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}
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template<class _InputIterator>
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void
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insert(iterator __position,
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_InputIterator __first, _InputIterator __last)
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{
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__glibcxx_check_insert_range(__position, __first, __last);
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_Base::insert(__position.base(), __first, __last);
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this->_M_invalidate_all();
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}
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void
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pop_front()
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{
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__glibcxx_check_nonempty();
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iterator __victim = begin();
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__victim._M_invalidate();
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_Base::pop_front();
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}
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void
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pop_back()
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{
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__glibcxx_check_nonempty();
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iterator __victim = end();
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--__victim;
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__victim._M_invalidate();
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_Base::pop_back();
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}
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iterator
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erase(iterator __position)
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{
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__glibcxx_check_erase(__position);
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if (__position == begin() || __position == end()-1)
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{
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__position._M_invalidate();
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return iterator(_Base::erase(__position.base()), this);
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}
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else
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{
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typename _Base::iterator __res = _Base::erase(__position.base());
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this->_M_invalidate_all();
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return iterator(__res, this);
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}
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}
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iterator
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erase(iterator __first, iterator __last)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 151. can't currently clear() empty container
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__glibcxx_check_erase_range(__first, __last);
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if (__first == begin() || __last == end())
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{
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this->_M_detach_singular();
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for (iterator __position = __first; __position != __last; )
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{
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iterator __victim = __position++;
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__victim._M_invalidate();
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}
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try
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{
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return iterator(_Base::erase(__first.base(), __last.base()),
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this);
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}
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catch (...)
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{
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this->_M_revalidate_singular();
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__throw_exception_again;
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}
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}
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else
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{
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typename _Base::iterator __res = _Base::erase(__first.base(),
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__last.base());
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this->_M_invalidate_all();
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return iterator(__res, this);
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}
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}
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void
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swap(deque<_Tp,_Allocator>& __x)
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{
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_Base::swap(__x);
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this->_M_swap(__x);
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}
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void
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clear()
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{
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_Base::clear();
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this->_M_invalidate_all();
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}
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_Base&
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_M_base() { return *this; }
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const _Base&
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_M_base() const { return *this; }
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};
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template<typename _Tp, typename _Alloc>
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inline bool
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operator==(const deque<_Tp, _Alloc>& __lhs,
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const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() == __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline bool
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operator!=(const deque<_Tp, _Alloc>& __lhs,
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const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() != __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline bool
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operator<(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() < __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline bool
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operator<=(const deque<_Tp, _Alloc>& __lhs,
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const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() <= __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline bool
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operator>=(const deque<_Tp, _Alloc>& __lhs,
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const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() >= __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline bool
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operator>(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs)
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{ return __lhs._M_base() > __rhs._M_base(); }
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template<typename _Tp, typename _Alloc>
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inline void
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swap(deque<_Tp, _Alloc>& __lhs, deque<_Tp, _Alloc>& __rhs)
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{ __lhs.swap(__rhs); }
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} // namespace __debug
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} // namespace std
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#endif
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