| // Debugging deque implementation -*- C++ -*- |
| |
| // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
| // 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/deque |
| * This file is a GNU debug extension to the Standard C++ Library. |
| */ |
| |
| #ifndef _GLIBCXX_DEBUG_DEQUE |
| #define _GLIBCXX_DEBUG_DEQUE 1 |
| |
| #include <deque> |
| #include <debug/safe_sequence.h> |
| #include <debug/safe_iterator.h> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| namespace __debug |
| { |
| /// Class std::deque with safety/checking/debug instrumentation. |
| template<typename _Tp, typename _Allocator = std::allocator<_Tp> > |
| class deque |
| : public _GLIBCXX_STD_C::deque<_Tp, _Allocator>, |
| public __gnu_debug::_Safe_sequence<deque<_Tp, _Allocator> > |
| { |
| typedef _GLIBCXX_STD_C::deque<_Tp, _Allocator> _Base; |
| typedef __gnu_debug::_Safe_sequence<deque> _Safe_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<iterator> reverse_iterator; |
| typedef std::reverse_iterator<const_iterator> const_reverse_iterator; |
| |
| // 23.2.1.1 construct/copy/destroy: |
| explicit |
| deque(const _Allocator& __a = _Allocator()) |
| : _Base(__a) { } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 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 |
| |
| template<class _InputIterator> |
| 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), _Safe_base() { } |
| |
| deque(const _Base& __x) |
| : _Base(__x), _Safe_base() { } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| deque(deque&& __x) |
| : _Base(std::move(__x)), _Safe_base() |
| { this->_M_swap(__x); } |
| |
| deque(initializer_list<value_type> __l, |
| const allocator_type& __a = allocator_type()) |
| : _Base(__l, __a), _Safe_base() { } |
| #endif |
| |
| ~deque() { } |
| |
| deque& |
| operator=(const deque& __x) |
| { |
| *static_cast<_Base*>(this) = __x; |
| this->_M_invalidate_all(); |
| return *this; |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| deque& |
| operator=(deque&& __x) |
| { |
| // NB: DR 1204. |
| // NB: DR 675. |
| clear(); |
| swap(__x); |
| return *this; |
| } |
| |
| deque& |
| operator=(initializer_list<value_type> __l) |
| { |
| *static_cast<_Base*>(this) = __l; |
| this->_M_invalidate_all(); |
| return *this; |
| } |
| #endif |
| |
| template<class _InputIterator> |
| 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(); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| void |
| assign(initializer_list<value_type> __l) |
| { |
| _Base::assign(__l); |
| this->_M_invalidate_all(); |
| } |
| #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 |
| |
| 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; |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| 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 |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| using _Base::shrink_to_fit; |
| #endif |
| |
| using _Base::empty; |
| |
| // 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(); |
| } |
| |
| // 23.2.1.3 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(); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| void |
| push_front(_Tp&& __x) |
| { emplace_front(std::move(__x)); } |
| |
| void |
| push_back(_Tp&& __x) |
| { emplace_back(std::move(__x)); } |
| |
| template<typename... _Args> |
| void |
| emplace_front(_Args&&... __args) |
| { |
| _Base::emplace_front(std::forward<_Args>(__args)...); |
| this->_M_invalidate_all(); |
| } |
| |
| template<typename... _Args> |
| void |
| emplace_back(_Args&&... __args) |
| { |
| _Base::emplace_back(std::forward<_Args>(__args)...); |
| this->_M_invalidate_all(); |
| } |
| |
| template<typename... _Args> |
| iterator |
| emplace(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 |
| insert(iterator __position, const _Tp& __x) |
| { |
| __glibcxx_check_insert(__position); |
| _Base_iterator __res = _Base::insert(__position.base(), __x); |
| this->_M_invalidate_all(); |
| return iterator(__res, this); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| iterator |
| insert(iterator __position, _Tp&& __x) |
| { return emplace(__position, std::move(__x)); } |
| |
| void |
| insert(iterator __p, initializer_list<value_type> __l) |
| { |
| _Base::insert(__p, __l); |
| this->_M_invalidate_all(); |
| } |
| #endif |
| |
| void |
| insert(iterator __position, size_type __n, const _Tp& __x) |
| { |
| __glibcxx_check_insert(__position); |
| _Base::insert(__position.base(), __n, __x); |
| this->_M_invalidate_all(); |
| } |
| |
| template<class _InputIterator> |
| 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(); |
| } |
| |
| void |
| pop_front() |
| { |
| __glibcxx_check_nonempty(); |
| this->_M_invalidate_if(_Equal(_Base::begin())); |
| _Base::pop_front(); |
| } |
| |
| void |
| pop_back() |
| { |
| __glibcxx_check_nonempty(); |
| this->_M_invalidate_if(_Equal(--_Base::end())); |
| _Base::pop_back(); |
| } |
| |
| iterator |
| erase(iterator __position) |
| { |
| __glibcxx_check_erase(__position); |
| _Base_iterator __victim = __position.base(); |
| 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 |
| erase(iterator __first, iterator __last) |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // 151. can't currently clear() empty container |
| __glibcxx_check_erase_range(__first, __last); |
| |
| if (__first.base() == __last.base()) |
| return __first; |
| else if (__first.base() == _Base::begin() |
| || __last.base() == _Base::end()) |
| { |
| this->_M_detach_singular(); |
| for (_Base_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) |
| { |
| _Base::swap(__x); |
| this->_M_swap(__x); |
| } |
| |
| void |
| clear() |
| { |
| _Base::clear(); |
| this->_M_invalidate_all(); |
| } |
| |
| _Base& |
| _M_base() { return *this; } |
| |
| const _Base& |
| _M_base() const { return *this; } |
| }; |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator==(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() == __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator!=(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() != __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator<(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() < __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator<=(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() <= __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator>=(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() >= __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline bool |
| operator>(const deque<_Tp, _Alloc>& __lhs, |
| const deque<_Tp, _Alloc>& __rhs) |
| { return __lhs._M_base() > __rhs._M_base(); } |
| |
| template<typename _Tp, typename _Alloc> |
| inline void |
| swap(deque<_Tp, _Alloc>& __lhs, deque<_Tp, _Alloc>& __rhs) |
| { __lhs.swap(__rhs); } |
| |
| } // namespace __debug |
| } // namespace std |
| |
| #endif |