| // Debugging map implementation -*- C++ -*- |
| |
| // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009, 2010, 2011 |
| // 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/map.h |
| * This file is a GNU debug extension to the Standard C++ Library. |
| */ |
| |
| #ifndef _GLIBCXX_DEBUG_MAP_H |
| #define _GLIBCXX_DEBUG_MAP_H 1 |
| |
| #include <debug/safe_sequence.h> |
| #include <debug/safe_iterator.h> |
| #include <utility> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| namespace __debug |
| { |
| /// Class std::map with safety/checking/debug instrumentation. |
| template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>, |
| typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > > |
| class map |
| : public _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator>, |
| public __gnu_debug::_Safe_sequence<map<_Key, _Tp, _Compare, _Allocator> > |
| { |
| typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base; |
| typedef __gnu_debug::_Safe_sequence<map> _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: |
| // types: |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef std::pair<const _Key, _Tp> value_type; |
| typedef _Compare key_compare; |
| typedef _Allocator allocator_type; |
| typedef typename _Base::reference reference; |
| typedef typename _Base::const_reference const_reference; |
| |
| typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, map> |
| iterator; |
| typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator, map> |
| const_iterator; |
| |
| typedef typename _Base::size_type size_type; |
| typedef typename _Base::difference_type difference_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; |
| |
| // 23.3.1.1 construct/copy/destroy: |
| explicit map(const _Compare& __comp = _Compare(), |
| const _Allocator& __a = _Allocator()) |
| : _Base(__comp, __a) { } |
| |
| template<typename _InputIterator> |
| map(_InputIterator __first, _InputIterator __last, |
| const _Compare& __comp = _Compare(), |
| const _Allocator& __a = _Allocator()) |
| : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first, |
| __last)), |
| __gnu_debug::__base(__last), |
| __comp, __a), _Safe_base() { } |
| |
| map(const map& __x) |
| : _Base(__x), _Safe_base() { } |
| |
| map(const _Base& __x) |
| : _Base(__x), _Safe_base() { } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| map(map&& __x) |
| : _Base(std::move(__x)), _Safe_base() |
| { this->_M_swap(__x); } |
| |
| map(initializer_list<value_type> __l, |
| const _Compare& __c = _Compare(), |
| const allocator_type& __a = allocator_type()) |
| : _Base(__l, __c, __a), _Safe_base() { } |
| #endif |
| |
| ~map() { } |
| |
| map& |
| operator=(const map& __x) |
| { |
| *static_cast<_Base*>(this) = __x; |
| this->_M_invalidate_all(); |
| return *this; |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| map& |
| operator=(map&& __x) |
| { |
| // NB: DR 1204. |
| // NB: DR 675. |
| clear(); |
| swap(__x); |
| return *this; |
| } |
| |
| map& |
| operator=(initializer_list<value_type> __l) |
| { |
| this->clear(); |
| this->insert(__l); |
| return *this; |
| } |
| #endif |
| |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // 133. map missing get_allocator() |
| 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 |
| |
| // capacity: |
| using _Base::empty; |
| using _Base::size; |
| using _Base::max_size; |
| |
| // 23.3.1.2 element access: |
| using _Base::operator[]; |
| |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // DR 464. Suggestion for new member functions in standard containers. |
| using _Base::at; |
| |
| // modifiers: |
| std::pair<iterator, bool> |
| insert(const value_type& __x) |
| { |
| typedef typename _Base::iterator _Base_iterator; |
| std::pair<_Base_iterator, bool> __res = _Base::insert(__x); |
| return std::pair<iterator, bool>(iterator(__res.first, this), |
| __res.second); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| template<typename _Pair, typename = typename |
| std::enable_if<std::is_convertible<_Pair, |
| value_type>::value>::type> |
| std::pair<iterator, bool> |
| insert(_Pair&& __x) |
| { |
| typedef typename _Base::iterator _Base_iterator; |
| std::pair<_Base_iterator, bool> __res |
| = _Base::insert(std::forward<_Pair>(__x)); |
| return std::pair<iterator, bool>(iterator(__res.first, this), |
| __res.second); |
| } |
| #endif |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| void |
| insert(std::initializer_list<value_type> __list) |
| { _Base::insert(__list); } |
| #endif |
| |
| iterator |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| insert(const_iterator __position, const value_type& __x) |
| #else |
| insert(iterator __position, const value_type& __x) |
| #endif |
| { |
| __glibcxx_check_insert(__position); |
| return iterator(_Base::insert(__position.base(), __x), this); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| template<typename _Pair, typename = typename |
| std::enable_if<std::is_convertible<_Pair, |
| value_type>::value>::type> |
| iterator |
| insert(const_iterator __position, _Pair&& __x) |
| { |
| __glibcxx_check_insert(__position); |
| return iterator(_Base::insert(__position.base(), |
| std::forward<_Pair>(__x)), this); |
| } |
| #endif |
| |
| template<typename _InputIterator> |
| void |
| insert(_InputIterator __first, _InputIterator __last) |
| { |
| __glibcxx_check_valid_range(__first, __last); |
| _Base::insert(__gnu_debug::__base(__first), |
| __gnu_debug::__base(__last)); |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| iterator |
| erase(const_iterator __position) |
| { |
| __glibcxx_check_erase(__position); |
| this->_M_invalidate_if(_Equal(__position.base())); |
| return iterator(_Base::erase(__position.base()), this); |
| } |
| |
| iterator |
| erase(iterator __position) |
| { return erase(const_iterator(__position)); } |
| #else |
| void |
| erase(iterator __position) |
| { |
| __glibcxx_check_erase(__position); |
| this->_M_invalidate_if(_Equal(__position.base())); |
| _Base::erase(__position.base()); |
| } |
| #endif |
| |
| size_type |
| erase(const key_type& __x) |
| { |
| _Base_iterator __victim = _Base::find(__x); |
| if (__victim == _Base::end()) |
| return 0; |
| else |
| { |
| this->_M_invalidate_if(_Equal(__victim)); |
| _Base::erase(__victim); |
| return 1; |
| } |
| } |
| |
| #ifdef __GXX_EXPERIMENTAL_CXX0X__ |
| iterator |
| erase(const_iterator __first, const_iterator __last) |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // 151. can't currently clear() empty container |
| __glibcxx_check_erase_range(__first, __last); |
| for (_Base_const_iterator __victim = __first.base(); |
| __victim != __last.base(); ++__victim) |
| { |
| _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(), |
| _M_message(__gnu_debug::__msg_valid_range) |
| ._M_iterator(__first, "first") |
| ._M_iterator(__last, "last")); |
| this->_M_invalidate_if(_Equal(__victim)); |
| } |
| return iterator(_Base::erase(__first.base(), __last.base()), this); |
| } |
| #else |
| void |
| erase(iterator __first, iterator __last) |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // 151. can't currently clear() empty container |
| __glibcxx_check_erase_range(__first, __last); |
| for (_Base_iterator __victim = __first.base(); |
| __victim != __last.base(); ++__victim) |
| { |
| _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(), |
| _M_message(__gnu_debug::__msg_valid_range) |
| ._M_iterator(__first, "first") |
| ._M_iterator(__last, "last")); |
| this->_M_invalidate_if(_Equal(__victim)); |
| } |
| _Base::erase(__first.base(), __last.base()); |
| } |
| #endif |
| |
| void |
| swap(map& __x) |
| { |
| _Base::swap(__x); |
| this->_M_swap(__x); |
| } |
| |
| void |
| clear() |
| { |
| this->_M_invalidate_all(); |
| _Base::clear(); |
| } |
| |
| // observers: |
| using _Base::key_comp; |
| using _Base::value_comp; |
| |
| // 23.3.1.3 map operations: |
| iterator |
| find(const key_type& __x) |
| { return iterator(_Base::find(__x), this); } |
| |
| const_iterator |
| find(const key_type& __x) const |
| { return const_iterator(_Base::find(__x), this); } |
| |
| using _Base::count; |
| |
| iterator |
| lower_bound(const key_type& __x) |
| { return iterator(_Base::lower_bound(__x), this); } |
| |
| const_iterator |
| lower_bound(const key_type& __x) const |
| { return const_iterator(_Base::lower_bound(__x), this); } |
| |
| iterator |
| upper_bound(const key_type& __x) |
| { return iterator(_Base::upper_bound(__x), this); } |
| |
| const_iterator |
| upper_bound(const key_type& __x) const |
| { return const_iterator(_Base::upper_bound(__x), this); } |
| |
| std::pair<iterator,iterator> |
| equal_range(const key_type& __x) |
| { |
| typedef typename _Base::iterator _Base_iterator; |
| std::pair<_Base_iterator, _Base_iterator> __res = |
| _Base::equal_range(__x); |
| return std::make_pair(iterator(__res.first, this), |
| iterator(__res.second, this)); |
| } |
| |
| std::pair<const_iterator,const_iterator> |
| equal_range(const key_type& __x) const |
| { |
| typedef typename _Base::const_iterator _Base_const_iterator; |
| std::pair<_Base_const_iterator, _Base_const_iterator> __res = |
| _Base::equal_range(__x); |
| return std::make_pair(const_iterator(__res.first, this), |
| const_iterator(__res.second, this)); |
| } |
| |
| _Base& |
| _M_base() { return *this; } |
| |
| const _Base& |
| _M_base() const { return *this; } |
| |
| private: |
| void |
| _M_invalidate_all() |
| { |
| typedef typename _Base::const_iterator _Base_const_iterator; |
| typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal; |
| this->_M_invalidate_if(_Not_equal(_M_base().end())); |
| } |
| }; |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator==(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() == __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator!=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() != __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator<(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() < __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator<=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() <= __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator>=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() >= __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline bool |
| operator>(const map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| const map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { return __lhs._M_base() > __rhs._M_base(); } |
| |
| template<typename _Key, typename _Tp, |
| typename _Compare, typename _Allocator> |
| inline void |
| swap(map<_Key, _Tp, _Compare, _Allocator>& __lhs, |
| map<_Key, _Tp, _Compare, _Allocator>& __rhs) |
| { __lhs.swap(__rhs); } |
| |
| } // namespace __debug |
| } // namespace std |
| |
| #endif |
