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335 lines
10 KiB
C++
335 lines
10 KiB
C++
// Debugging map 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/map.h
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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_MAP_H
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#define _GLIBCXX_DEBUG_MAP_H 1
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#include <debug/safe_sequence.h>
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#include <debug/safe_iterator.h>
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#include <utility>
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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 _Key, typename _Tp, typename _Compare = std::less<_Key>,
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typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
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class map
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: public _GLIBCXX_STD::map<_Key, _Tp, _Compare, _Allocator>,
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public __gnu_debug::_Safe_sequence<map<_Key, _Tp, _Compare, _Allocator> >
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{
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typedef _GLIBCXX_STD::map<_Key, _Tp, _Compare, _Allocator> _Base;
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typedef __gnu_debug::_Safe_sequence<map> _Safe_base;
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public:
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// types:
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typedef _Key key_type;
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typedef _Tp mapped_type;
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typedef std::pair<const _Key, _Tp> value_type;
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typedef _Compare key_compare;
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typedef _Allocator allocator_type;
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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, map>
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iterator;
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typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator, map>
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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 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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using typename _Base::value_compare;
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// 23.3.1.1 construct/copy/destroy:
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explicit map(const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__comp, __a) { }
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template<typename _InputIterator>
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map(_InputIterator __first, _InputIterator __last,
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const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__gnu_debug::__check_valid_range(__first, __last), __last,
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__comp, __a), _Safe_base() { }
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map(const map<_Key,_Tp,_Compare,_Allocator>& __x)
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: _Base(__x), _Safe_base() { }
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map(const _Base& __x) : _Base(__x), _Safe_base() { }
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~map() { }
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map<_Key,_Tp,_Compare,_Allocator>&
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operator=(const map<_Key,_Tp,_Compare,_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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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 133. map missing get_allocator()
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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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// capacity:
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using _Base::empty;
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using _Base::size;
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using _Base::max_size;
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// 23.3.1.2 element access:
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using _Base::operator[];
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// DR 464. Suggestion for new member functions in standard containers.
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using _Base::at;
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// modifiers:
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std::pair<iterator, bool>
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insert(const value_type& __x)
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{
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
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return std::pair<iterator, bool>(iterator(__res.first, this),
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__res.second);
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}
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iterator
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insert(iterator __position, const value_type& __x)
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{
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__glibcxx_check_insert(__position);
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return iterator(_Base::insert(__position.base(), __x), this);
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}
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template<typename _InputIterator>
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void
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insert(_InputIterator __first, _InputIterator __last)
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{
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__glibcxx_check_valid_range(__first, __last);
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_Base::insert(__first, __last);
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}
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void
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erase(iterator __position)
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{
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__glibcxx_check_erase(__position);
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__position._M_invalidate();
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_Base::erase(__position.base());
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}
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size_type
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erase(const key_type& __x)
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{
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iterator __victim = find(__x);
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if (__victim == end())
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return 0;
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else
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{
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__victim._M_invalidate();
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_Base::erase(__victim.base());
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return 1;
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}
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}
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void
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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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while (__first != __last)
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this->erase(__first++);
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}
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void
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swap(map<_Key,_Tp,_Compare,_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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{ this->erase(begin(), end()); }
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// observers:
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using _Base::key_comp;
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using _Base::value_comp;
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// 23.3.1.3 map operations:
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iterator
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find(const key_type& __x)
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{ return iterator(_Base::find(__x), this); }
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const_iterator
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find(const key_type& __x) const
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{ return const_iterator(_Base::find(__x), this); }
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using _Base::count;
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iterator
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lower_bound(const key_type& __x)
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{ return iterator(_Base::lower_bound(__x), this); }
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const_iterator
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lower_bound(const key_type& __x) const
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{ return const_iterator(_Base::lower_bound(__x), this); }
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iterator
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upper_bound(const key_type& __x)
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{ return iterator(_Base::upper_bound(__x), this); }
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const_iterator
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upper_bound(const key_type& __x) const
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{ return const_iterator(_Base::upper_bound(__x), this); }
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std::pair<iterator,iterator>
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equal_range(const key_type& __x)
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{
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, _Base_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(iterator(__res.first, this),
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iterator(__res.second, this));
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}
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std::pair<const_iterator,const_iterator>
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equal_range(const key_type& __x) const
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{
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typedef typename _Base::const_iterator _Base_const_iterator;
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std::pair<_Base_const_iterator, _Base_const_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(const_iterator(__res.first, this),
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const_iterator(__res.second, this));
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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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private:
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void
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_M_invalidate_all()
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{
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typedef typename _Base::const_iterator _Base_const_iterator;
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typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
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this->_M_invalidate_if(_Not_equal(_M_base().end()));
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}
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};
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator==(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() == __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator!=(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() != __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator<(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() < __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator<=(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() <= __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator>=(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() >= __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline bool
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operator>(const map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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const map<_Key,_Tp,_Compare,_Allocator>& __rhs)
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{ return __lhs._M_base() > __rhs._M_base(); }
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template<typename _Key,typename _Tp,typename _Compare,typename _Allocator>
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inline void
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swap(map<_Key,_Tp,_Compare,_Allocator>& __lhs,
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map<_Key,_Tp,_Compare,_Allocator>& __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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