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- // Debugging vector implementation -*- C++ -*-
-
- // Copyright (C) 2003, 2004
- // 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.
-
- #ifndef _GLIBCXX_DEBUG_VECTOR
- #define _GLIBCXX_DEBUG_VECTOR 1
-
- #include <vector>
- #include <debug/safe_sequence.h>
- #include <debug/safe_iterator.h>
- #include <utility>
-
- namespace __gnu_debug_def
- {
- template<typename _Tp,
- typename _Allocator = std::allocator<_Tp> >
- class vector
- : public _GLIBCXX_STD::vector<_Tp, _Allocator>,
- public __gnu_debug::_Safe_sequence<vector<_Tp, _Allocator> >
- {
- typedef _GLIBCXX_STD::vector<_Tp, _Allocator> _Base;
- typedef __gnu_debug::_Safe_sequence<vector> _Safe_base;
-
- typedef typename _Base::const_iterator _Base_const_iterator;
- typedef __gnu_debug::_After_nth_from<_Base_const_iterator> _After_nth;
-
- public:
- typedef typename _Base::reference reference;
- typedef typename _Base::const_reference const_reference;
-
- typedef __gnu_debug::_Safe_iterator<typename _Base::iterator,vector>
- iterator;
- typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,vector>
- const_iterator;
-
- typedef typename _Base::size_type size_type;
- typedef typename _Base::difference_type difference_type;
-
- typedef _Tp value_type;
- typedef _Allocator allocator_type;
- typedef typename _Allocator::pointer pointer;
- typedef typename _Allocator::const_pointer const_pointer;
- typedef std::reverse_iterator<iterator> reverse_iterator;
- typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
-
- // 23.2.4.1 construct/copy/destroy:
- explicit vector(const _Allocator& __a = _Allocator())
- : _Base(__a), _M_guaranteed_capacity(0) { }
-
- explicit vector(size_type __n, const _Tp& __value = _Tp(),
- const _Allocator& __a = _Allocator())
- : _Base(__n, __value, __a), _M_guaranteed_capacity(__n) { }
-
- template<class _InputIterator>
- vector(_InputIterator __first, _InputIterator __last,
- const _Allocator& __a = _Allocator())
- : _Base(__gnu_debug::__check_valid_range(__first, __last),
- __last, __a),
- _M_guaranteed_capacity(0)
- { _M_update_guaranteed_capacity(); }
-
- vector(const vector<_Tp,_Allocator>& __x)
- : _Base(__x), _Safe_base(), _M_guaranteed_capacity(__x.size()) { }
-
- /// Construction from a release-mode vector
- vector(const _Base& __x)
- : _Base(__x), _Safe_base(), _M_guaranteed_capacity(__x.size()) { }
-
- ~vector() { }
-
- vector<_Tp,_Allocator>&
- operator=(const vector<_Tp,_Allocator>& __x)
- {
- static_cast<_Base&>(*this) = __x;
- this->_M_invalidate_all();
- _M_update_guaranteed_capacity();
- return *this;
- }
-
- template<typename _InputIterator>
- void
- assign(_InputIterator __first, _InputIterator __last)
- {
- __glibcxx_check_valid_range(__first, __last);
- _Base::assign(__first, __last);
- this->_M_invalidate_all();
- _M_update_guaranteed_capacity();
- }
-
- void
- assign(size_type __n, const _Tp& __u)
- {
- _Base::assign(__n, __u);
- this->_M_invalidate_all();
- _M_update_guaranteed_capacity();
- }
-
- using _Base::get_allocator;
-
- // iterators:
- iterator
- begin()
- { return iterator(_Base::begin(), this); }
-
- const_iterator
- begin() const
- { return const_iterator(_Base::begin(), this); }
-
- iterator
- end()
- { return iterator(_Base::end(), this); }
-
- const_iterator
- end() const
- { return const_iterator(_Base::end(), this); }
-
- reverse_iterator
- rbegin()
- { return reverse_iterator(end()); }
-
- const_reverse_iterator
- rbegin() const
- { return const_reverse_iterator(end()); }
-
- reverse_iterator
- rend()
- { return reverse_iterator(begin()); }
-
- const_reverse_iterator
- rend() const
- { return const_reverse_iterator(begin()); }
-
- // 23.2.4.2 capacity:
- using _Base::size;
- using _Base::max_size;
-
- void
- resize(size_type __sz, _Tp __c = _Tp())
- {
- bool __realloc = _M_requires_reallocation(__sz);
- if (__sz < this->size())
- this->_M_invalidate_if(_After_nth(__sz, _M_base().begin()));
- _Base::resize(__sz, __c);
- if (__realloc)
- this->_M_invalidate_all();
- }
-
- using _Base::capacity;
- using _Base::empty;
-
- void
- reserve(size_type __n)
- {
- bool __realloc = _M_requires_reallocation(__n);
- _Base::reserve(__n);
- if (__n > _M_guaranteed_capacity)
- _M_guaranteed_capacity = __n;
- if (__realloc)
- this->_M_invalidate_all();
- }
-
- // element access:
- reference
- operator[](size_type __n)
- {
- __glibcxx_check_subscript(__n);
- return _M_base()[__n];
- }
-
- const_reference
- operator[](size_type __n) const
- {
- __glibcxx_check_subscript(__n);
- return _M_base()[__n];
- }
-
- using _Base::at;
-
- reference
- front()
- {
- __glibcxx_check_nonempty();
- return _Base::front();
- }
-
- const_reference
- front() const
- {
- __glibcxx_check_nonempty();
- return _Base::front();
- }
-
- reference
- back()
- {
- __glibcxx_check_nonempty();
- return _Base::back();
- }
-
- const_reference
- back() const
- {
- __glibcxx_check_nonempty();
- return _Base::back();
- }
-
- // 23.2.4.3 modifiers:
- void
- push_back(const _Tp& __x)
- {
- bool __realloc = _M_requires_reallocation(this->size() + 1);
- _Base::push_back(__x);
- if (__realloc)
- this->_M_invalidate_all();
- _M_update_guaranteed_capacity();
- }
-
- void
- pop_back()
- {
- __glibcxx_check_nonempty();
- iterator __victim = end() - 1;
- __victim._M_invalidate();
- _Base::pop_back();
- }
-
- iterator
- insert(iterator __position, const _Tp& __x)
- {
- __glibcxx_check_insert(__position);
- bool __realloc = _M_requires_reallocation(this->size() + 1);
- difference_type __offset = __position - begin();
- typename _Base::iterator __res = _Base::insert(__position.base(),__x);
- if (__realloc)
- this->_M_invalidate_all();
- else
- this->_M_invalidate_if(_After_nth(__offset, _M_base().begin()));
- _M_update_guaranteed_capacity();
- return iterator(__res, this);
- }
-
- void
- insert(iterator __position, size_type __n, const _Tp& __x)
- {
- __glibcxx_check_insert(__position);
- bool __realloc = _M_requires_reallocation(this->size() + __n);
- difference_type __offset = __position - begin();
- _Base::insert(__position.base(), __n, __x);
- if (__realloc)
- this->_M_invalidate_all();
- else
- this->_M_invalidate_if(_After_nth(__offset, _M_base().begin()));
- _M_update_guaranteed_capacity();
- }
-
- template<class _InputIterator>
- void
- insert(iterator __position,
- _InputIterator __first, _InputIterator __last)
- {
- __glibcxx_check_insert_range(__position, __first, __last);
-
- /* Hard to guess if invalidation will occur, because __last
- - __first can't be calculated in all cases, so we just
- punt here by checking if it did occur. */
- typename _Base::iterator __old_begin = _M_base().begin();
- difference_type __offset = __position - begin();
- _Base::insert(__position.base(), __first, __last);
-
- if (_M_base().begin() != __old_begin)
- this->_M_invalidate_all();
- else
- this->_M_invalidate_if(_After_nth(__offset, _M_base().begin()));
- _M_update_guaranteed_capacity();
- }
-
- iterator
- erase(iterator __position)
- {
- __glibcxx_check_erase(__position);
- difference_type __offset = __position - begin();
- typename _Base::iterator __res = _Base::erase(__position.base());
- this->_M_invalidate_if(_After_nth(__offset, _M_base().begin()));
- return iterator(__res, this);
- }
-
- iterator
- erase(iterator __first, iterator __last)
- {
- // _GLIBCXX_RESOLVE_LIB_DEFECTS
- // 151. can't currently clear() empty container
- __glibcxx_check_erase_range(__first, __last);
-
- difference_type __offset = __first - begin();
- typename _Base::iterator __res = _Base::erase(__first.base(),
- __last.base());
- this->_M_invalidate_if(_After_nth(__offset, _M_base().begin()));
- return iterator(__res, this);
- }
-
- void
- swap(vector<_Tp,_Allocator>& __x)
- {
- _Base::swap(__x);
- this->_M_swap(__x);
- std::swap(_M_guaranteed_capacity, __x._M_guaranteed_capacity);
- }
-
- void
- clear()
- {
- _Base::clear();
- this->_M_invalidate_all();
- _M_guaranteed_capacity = 0;
- }
-
- _Base&
- _M_base() { return *this; }
-
- const _Base&
- _M_base() const { return *this; }
-
- private:
- size_type _M_guaranteed_capacity;
-
- bool
- _M_requires_reallocation(size_type __elements)
- {
- #ifdef _GLIBCXX_DEBUG_PEDANTIC
- return __elements > this->capacity();
- #else
- return __elements > _M_guaranteed_capacity;
- #endif
- }
-
- void
- _M_update_guaranteed_capacity()
- {
- if (this->size() > _M_guaranteed_capacity)
- _M_guaranteed_capacity = this->size();
- }
- };
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator==(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() == __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator!=(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() != __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator<(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() < __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator<=(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() <= __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator>=(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() >= __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline bool
- operator>(const vector<_Tp, _Alloc>& __lhs,
- const vector<_Tp, _Alloc>& __rhs)
- { return __lhs._M_base() > __rhs._M_base(); }
-
- template<typename _Tp, typename _Alloc>
- inline void
- swap(vector<_Tp, _Alloc>& __lhs, vector<_Tp, _Alloc>& __rhs)
- { __lhs.swap(__rhs); }
- } // namespace __gnu_debug_def
-
- #endif
-