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Diffstat (limited to 'libstdc++/include/debug/vector')
| -rw-r--r-- | libstdc++/include/debug/vector | 423 |
1 files changed, 423 insertions, 0 deletions
diff --git a/libstdc++/include/debug/vector b/libstdc++/include/debug/vector new file mode 100644 index 0000000..33b8b63 --- /dev/null +++ b/libstdc++/include/debug/vector @@ -0,0 +1,423 @@ +// Debugging vector implementation -*- C++ -*- + +// Copyright (C) 2003, 2004, 2005 +// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +// 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. + +/** @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::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 _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<_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(); + } + + // _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(); + } + + 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 __debug +} // namespace std + +#endif |
