--- /dev/null
+// Debugging vector implementation -*- C++ -*-
+
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+// 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 3, 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.
+
+// 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.
+
+// 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/>.
+
+/** @file debug/vector
+ * This file is a GNU debug extension to the Standard C++ Library.
+ */
+
+#ifndef _GLIBCXX_DEBUG_VECTOR
+#define _GLIBCXX_DEBUG_VECTOR 1
+
+#include <vector>
+#include <utility>
+#include <debug/safe_sequence.h>
+#include <debug/safe_iterator.h>
+
+namespace std
+{
+namespace __debug
+{
+ template<typename _Tp,
+ typename _Allocator = std::allocator<_Tp> >
+ class vector
+ : public _GLIBCXX_STD_D::vector<_Tp, _Allocator>,
+ public __gnu_debug::_Safe_sequence<vector<_Tp, _Allocator> >
+ {
+ typedef _GLIBCXX_STD_D::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 _Base::pointer pointer;
+ typedef typename _Base::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& __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()) { }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ vector(vector&& __x)
+ : _Base(std::forward<vector>(__x)), _Safe_base(),
+ _M_guaranteed_capacity(this->size())
+ {
+ this->_M_swap(__x);
+ __x._M_guaranteed_capacity = 0;
+ }
+
+ vector(initializer_list<value_type> __l,
+ const allocator_type& __a = allocator_type())
+ : _Base(__l, __a), _Safe_base(),
+ _M_guaranteed_capacity(__l.size()) { }
+#endif
+
+ ~vector() { }
+
+ vector&
+ operator=(const vector& __x)
+ {
+ static_cast<_Base&>(*this) = __x;
+ this->_M_invalidate_all();
+ _M_update_guaranteed_capacity();
+ return *this;
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ vector&
+ operator=(vector&& __x)
+ {
+ // NB: DR 675.
+ clear();
+ swap(__x);
+ return *this;
+ }
+
+ vector&
+ operator=(initializer_list<value_type> __l)
+ {
+ static_cast<_Base&>(*this) = __l;
+ this->_M_invalidate_all();
+ _M_update_guaranteed_capacity();
+ return *this;
+ }
+#endif
+
+ 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();
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ void
+ assign(initializer_list<value_type> __l)
+ {
+ _Base::assign(__l);
+ this->_M_invalidate_all();
+ _M_update_guaranteed_capacity();
+ }
+#endif
+
+ 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()); }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ const_iterator
+ cbegin() const
+ { return const_iterator(_Base::begin(), this); }
+
+ const_iterator
+ cend() const
+ { return const_iterator(_Base::end(), this); }
+
+ const_reverse_iterator
+ crbegin() const
+ { return const_reverse_iterator(end()); }
+
+ const_reverse_iterator
+ crend() const
+ { return const_reverse_iterator(begin()); }
+#endif
+
+ // 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();
+ }
+
+ size_type
+ capacity() const
+ {
+#ifdef _GLIBCXX_DEBUG_PEDANTIC
+ return _M_guaranteed_capacity;
+#else
+ return _Base::capacity();
+#endif
+ }
+
+ 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();
+ }
+
+ // _GLIBCXX_RESOLVE_LIB_DEFECTS
+ // DR 464. Suggestion for new member functions in standard containers.
+ using _Base::data;
+
+ // 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();
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Up = _Tp>
+ typename __gnu_cxx::__enable_if<!std::__are_same<_Up, bool>::__value,
+ void>::__type
+ push_back(_Tp&& __x)
+ { emplace_back(std::move(__x)); }
+
+ template<typename... _Args>
+ void
+ emplace_back(_Args&&... __args)
+ {
+ bool __realloc = _M_requires_reallocation(this->size() + 1);
+ _Base::emplace_back(std::forward<_Args>(__args)...);
+ if (__realloc)
+ this->_M_invalidate_all();
+ _M_update_guaranteed_capacity();
+ }
+#endif
+
+ void
+ pop_back()
+ {
+ __glibcxx_check_nonempty();
+ iterator __victim = end() - 1;
+ __victim._M_invalidate();
+ _Base::pop_back();
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename... _Args>
+ iterator
+ emplace(iterator __position, _Args&&... __args)
+ {
+ __glibcxx_check_insert(__position);
+ bool __realloc = _M_requires_reallocation(this->size() + 1);
+ difference_type __offset = __position - begin();
+ typename _Base::iterator __res = _Base::emplace(__position.base(),
+ std::forward<_Args>(__args)...);
+ 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);
+ }
+#endif
+
+ 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);
+ }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Up = _Tp>
+ typename __gnu_cxx::__enable_if<!std::__are_same<_Up, bool>::__value,
+ iterator>::__type
+ insert(iterator __position, _Tp&& __x)
+ { return emplace(__position, std::move(__x)); }
+
+ void
+ insert(iterator __position, initializer_list<value_type> __l)
+ { this->insert(__position, __l.begin(), __l.end()); }
+#endif
+
+ 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
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ swap(vector&& __x)
+#else
+ swap(vector& __x)
+#endif
+ {
+ _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)
+ { return __elements > this->capacity(); }
+
+ 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); }
+
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+ template<typename _Tp, typename _Alloc>
+ inline void
+ swap(vector<_Tp, _Alloc>&& __lhs, vector<_Tp, _Alloc>& __rhs)
+ { __lhs.swap(__rhs); }
+
+ template<typename _Tp, typename _Alloc>
+ inline void
+ swap(vector<_Tp, _Alloc>& __lhs, vector<_Tp, _Alloc>&& __rhs)
+ { __lhs.swap(__rhs); }
+#endif
+
+} // namespace __debug
+} // namespace std
+
+#endif
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