// Debugging deque implementation -*- C++ -*- // Copyright (C) 2003-2014 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 // . /** @file debug/deque * This file is a GNU debug extension to the Standard C++ Library. */ #ifndef _GLIBCXX_DEBUG_DEQUE #define _GLIBCXX_DEBUG_DEQUE 1 #include #include #include namespace std _GLIBCXX_VISIBILITY(default) { namespace __debug { /// Class std::deque with safety/checking/debug instrumentation. template > class deque : public _GLIBCXX_STD_C::deque<_Tp, _Allocator>, public __gnu_debug::_Safe_sequence > { typedef _GLIBCXX_STD_C::deque<_Tp, _Allocator> _Base; typedef typename _Base::const_iterator _Base_const_iterator; typedef typename _Base::iterator _Base_iterator; typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal; public: typedef typename _Base::reference reference; typedef typename _Base::const_reference const_reference; typedef __gnu_debug::_Safe_iterator<_Base_iterator,deque> iterator; typedef __gnu_debug::_Safe_iterator<_Base_const_iterator,deque> 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 reverse_iterator; typedef std::reverse_iterator const_reverse_iterator; // 23.2.1.1 construct/copy/destroy: deque() : _Base() { } explicit deque(const _Allocator& __a) : _Base(__a) { } #if __cplusplus >= 201103L explicit deque(size_type __n) : _Base(__n) { } deque(size_type __n, const _Tp& __value, const _Allocator& __a = _Allocator()) : _Base(__n, __value, __a) { } #else explicit deque(size_type __n, const _Tp& __value = _Tp(), const _Allocator& __a = _Allocator()) : _Base(__n, __value, __a) { } #endif #if __cplusplus >= 201103L template> #else template #endif deque(_InputIterator __first, _InputIterator __last, const _Allocator& __a = _Allocator()) : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first, __last)), __gnu_debug::__base(__last), __a) { } deque(const deque& __x) : _Base(__x) { } deque(const _Base& __x) : _Base(__x) { } #if __cplusplus >= 201103L deque(deque&& __x) : _Base(std::move(__x)) { this->_M_swap(__x); } deque(initializer_list __l, const allocator_type& __a = allocator_type()) : _Base(__l, __a) { } #endif ~deque() _GLIBCXX_NOEXCEPT { } deque& operator=(const deque& __x) { *static_cast<_Base*>(this) = __x; this->_M_invalidate_all(); return *this; } #if __cplusplus >= 201103L deque& operator=(deque&& __x) noexcept { // NB: DR 1204. // NB: DR 675. __glibcxx_check_self_move_assign(__x); clear(); swap(__x); return *this; } deque& operator=(initializer_list __l) { *static_cast<_Base*>(this) = __l; this->_M_invalidate_all(); return *this; } #endif #if __cplusplus >= 201103L template> #else template #endif void assign(_InputIterator __first, _InputIterator __last) { __glibcxx_check_valid_range(__first, __last); _Base::assign(__gnu_debug::__base(__first), __gnu_debug::__base(__last)); this->_M_invalidate_all(); } void assign(size_type __n, const _Tp& __t) { _Base::assign(__n, __t); this->_M_invalidate_all(); } #if __cplusplus >= 201103L void assign(initializer_list __l) { _Base::assign(__l); this->_M_invalidate_all(); } #endif using _Base::get_allocator; // iterators: iterator begin() _GLIBCXX_NOEXCEPT { return iterator(_Base::begin(), this); } const_iterator begin() const _GLIBCXX_NOEXCEPT { return const_iterator(_Base::begin(), this); } iterator end() _GLIBCXX_NOEXCEPT { return iterator(_Base::end(), this); } const_iterator end() const _GLIBCXX_NOEXCEPT { return const_iterator(_Base::end(), this); } reverse_iterator rbegin() _GLIBCXX_NOEXCEPT { return reverse_iterator(end()); } const_reverse_iterator rbegin() const _GLIBCXX_NOEXCEPT { return const_reverse_iterator(end()); } reverse_iterator rend() _GLIBCXX_NOEXCEPT { return reverse_iterator(begin()); } const_reverse_iterator rend() const _GLIBCXX_NOEXCEPT { return const_reverse_iterator(begin()); } #if __cplusplus >= 201103L const_iterator cbegin() const noexcept { return const_iterator(_Base::begin(), this); } const_iterator cend() const noexcept { return const_iterator(_Base::end(), this); } const_reverse_iterator crbegin() const noexcept { return const_reverse_iterator(end()); } const_reverse_iterator crend() const noexcept { return const_reverse_iterator(begin()); } #endif private: void _M_invalidate_after_nth(difference_type __n) { typedef __gnu_debug::_After_nth_from<_Base_const_iterator> _After_nth; this->_M_invalidate_if(_After_nth(__n, _Base::begin())); } public: // 23.2.1.2 capacity: using _Base::size; using _Base::max_size; #if __cplusplus >= 201103L void resize(size_type __sz) { bool __invalidate_all = __sz > this->size(); if (__sz < this->size()) this->_M_invalidate_after_nth(__sz); _Base::resize(__sz); if (__invalidate_all) this->_M_invalidate_all(); } void resize(size_type __sz, const _Tp& __c) { bool __invalidate_all = __sz > this->size(); if (__sz < this->size()) this->_M_invalidate_after_nth(__sz); _Base::resize(__sz, __c); if (__invalidate_all) this->_M_invalidate_all(); } #else void resize(size_type __sz, _Tp __c = _Tp()) { bool __invalidate_all = __sz > this->size(); if (__sz < this->size()) this->_M_invalidate_after_nth(__sz); _Base::resize(__sz, __c); if (__invalidate_all) this->_M_invalidate_all(); } #endif #if __cplusplus >= 201103L void shrink_to_fit() noexcept { if (_Base::_M_shrink_to_fit()) this->_M_invalidate_all(); } #endif using _Base::empty; // element access: reference operator[](size_type __n) _GLIBCXX_NOEXCEPT { __glibcxx_check_subscript(__n); return _M_base()[__n]; } const_reference operator[](size_type __n) const _GLIBCXX_NOEXCEPT { __glibcxx_check_subscript(__n); return _M_base()[__n]; } using _Base::at; reference front() _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); return _Base::front(); } const_reference front() const _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); return _Base::front(); } reference back() _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); return _Base::back(); } const_reference back() const _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); return _Base::back(); } // 23.2.1.3 modifiers: void push_front(const _Tp& __x) { _Base::push_front(__x); this->_M_invalidate_all(); } void push_back(const _Tp& __x) { _Base::push_back(__x); this->_M_invalidate_all(); } #if __cplusplus >= 201103L void push_front(_Tp&& __x) { emplace_front(std::move(__x)); } void push_back(_Tp&& __x) { emplace_back(std::move(__x)); } template void emplace_front(_Args&&... __args) { _Base::emplace_front(std::forward<_Args>(__args)...); this->_M_invalidate_all(); } template void emplace_back(_Args&&... __args) { _Base::emplace_back(std::forward<_Args>(__args)...); this->_M_invalidate_all(); } template iterator emplace(const_iterator __position, _Args&&... __args) { __glibcxx_check_insert(__position); _Base_iterator __res = _Base::emplace(__position.base(), std::forward<_Args>(__args)...); this->_M_invalidate_all(); return iterator(__res, this); } #endif iterator #if __cplusplus >= 201103L insert(const_iterator __position, const _Tp& __x) #else insert(iterator __position, const _Tp& __x) #endif { __glibcxx_check_insert(__position); _Base_iterator __res = _Base::insert(__position.base(), __x); this->_M_invalidate_all(); return iterator(__res, this); } #if __cplusplus >= 201103L iterator insert(const_iterator __position, _Tp&& __x) { return emplace(__position, std::move(__x)); } iterator insert(const_iterator __position, initializer_list __l) { __glibcxx_check_insert(__position); _Base_iterator __res = _Base::insert(__position.base(), __l); this->_M_invalidate_all(); return iterator(__res, this); } #endif #if __cplusplus >= 201103L iterator insert(const_iterator __position, size_type __n, const _Tp& __x) { __glibcxx_check_insert(__position); _Base_iterator __res = _Base::insert(__position.base(), __n, __x); this->_M_invalidate_all(); return iterator(__res, this); } #else void insert(iterator __position, size_type __n, const _Tp& __x) { __glibcxx_check_insert(__position); _Base::insert(__position.base(), __n, __x); this->_M_invalidate_all(); } #endif #if __cplusplus >= 201103L template> iterator insert(const_iterator __position, _InputIterator __first, _InputIterator __last) { __glibcxx_check_insert_range(__position, __first, __last); _Base_iterator __res = _Base::insert(__position.base(), __gnu_debug::__base(__first), __gnu_debug::__base(__last)); this->_M_invalidate_all(); return iterator(__res, this); } #else template void insert(iterator __position, _InputIterator __first, _InputIterator __last) { __glibcxx_check_insert_range(__position, __first, __last); _Base::insert(__position.base(), __gnu_debug::__base(__first), __gnu_debug::__base(__last)); this->_M_invalidate_all(); } #endif void pop_front() _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); this->_M_invalidate_if(_Equal(_Base::begin())); _Base::pop_front(); } void pop_back() _GLIBCXX_NOEXCEPT { __glibcxx_check_nonempty(); this->_M_invalidate_if(_Equal(--_Base::end())); _Base::pop_back(); } iterator #if __cplusplus >= 201103L erase(const_iterator __position) #else erase(iterator __position) #endif { __glibcxx_check_erase(__position); #if __cplusplus >= 201103L _Base_const_iterator __victim = __position.base(); #else _Base_iterator __victim = __position.base(); #endif if (__victim == _Base::begin() || __victim == _Base::end() - 1) { this->_M_invalidate_if(_Equal(__victim)); return iterator(_Base::erase(__victim), this); } else { _Base_iterator __res = _Base::erase(__victim); this->_M_invalidate_all(); return iterator(__res, this); } } iterator #if __cplusplus >= 201103L erase(const_iterator __first, const_iterator __last) #else erase(iterator __first, iterator __last) #endif { // _GLIBCXX_RESOLVE_LIB_DEFECTS // 151. can't currently clear() empty container __glibcxx_check_erase_range(__first, __last); if (__first.base() == __last.base()) #if __cplusplus >= 201103L return iterator(__first.base()._M_const_cast(), this); #else return __first; #endif else if (__first.base() == _Base::begin() || __last.base() == _Base::end()) { this->_M_detach_singular(); for (_Base_const_iterator __position = __first.base(); __position != __last.base(); ++__position) { this->_M_invalidate_if(_Equal(__position)); } __try { return iterator(_Base::erase(__first.base(), __last.base()), this); } __catch(...) { this->_M_revalidate_singular(); __throw_exception_again; } } else { _Base_iterator __res = _Base::erase(__first.base(), __last.base()); this->_M_invalidate_all(); return iterator(__res, this); } } void swap(deque& __x) _GLIBCXX_NOEXCEPT { _Base::swap(__x); this->_M_swap(__x); } void clear() _GLIBCXX_NOEXCEPT { _Base::clear(); this->_M_invalidate_all(); } _Base& _M_base() _GLIBCXX_NOEXCEPT { return *this; } const _Base& _M_base() const _GLIBCXX_NOEXCEPT { return *this; } }; template inline bool operator==(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() == __rhs._M_base(); } template inline bool operator!=(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() != __rhs._M_base(); } template inline bool operator<(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() < __rhs._M_base(); } template inline bool operator<=(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() <= __rhs._M_base(); } template inline bool operator>=(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() >= __rhs._M_base(); } template inline bool operator>(const deque<_Tp, _Alloc>& __lhs, const deque<_Tp, _Alloc>& __rhs) { return __lhs._M_base() > __rhs._M_base(); } template inline void swap(deque<_Tp, _Alloc>& __lhs, deque<_Tp, _Alloc>& __rhs) { __lhs.swap(__rhs); } } // namespace __debug } // namespace std #endif