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- // Profiling map implementation -*- C++ -*-
- // Copyright (C) 2009-2015 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 along
- // with this library; see the file COPYING3. If not see
- // <http://www.gnu.org/licenses/>.
- /** @file profile/map.h
- * This file is a GNU profile extension to the Standard C++ Library.
- */
- #ifndef _GLIBCXX_PROFILE_MAP_H
- #define _GLIBCXX_PROFILE_MAP_H 1
- #include <profile/base.h>
- #include <profile/ordered_base.h>
- namespace std _GLIBCXX_VISIBILITY(default)
- {
- namespace __profile
- {
- /// Class std::map wrapper with performance 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 _Ordered_profile<map<_Key, _Tp, _Compare, _Allocator> >
- {
- typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base;
- typedef typename _Base::iterator _Base_iterator;
- typedef typename _Base::const_iterator _Base_const_iterator;
- public:
- // types:
- typedef _Key key_type;
- typedef _Tp mapped_type;
- typedef typename _Base::value_type value_type;
- typedef _Compare key_compare;
- typedef typename _Base::reference reference;
- typedef typename _Base::const_reference const_reference;
- typedef __iterator_tracker<_Base_iterator, map> iterator;
- typedef __iterator_tracker<_Base_const_iterator,
- map> const_iterator;
- typedef std::reverse_iterator<iterator> reverse_iterator;
- typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
- typedef typename _Base::size_type size_type;
- typedef typename _Base::difference_type difference_type;
- // 23.3.1.1 construct/copy/destroy:
- #if __cplusplus < 201103L
- map()
- : _Base() { }
- map(const map& __x)
- : _Base(__x) { }
- ~map()
- { }
- #else
- map() = default;
- map(const map&) = default;
- map(map&&) = default;
- ~map() = default;
- #endif
- explicit
- map(const _Compare& __comp,
- const _Allocator& __a = _Allocator())
- : _Base(__comp, __a) { }
- #if __cplusplus >= 201103L
- template<typename _InputIterator,
- typename = std::_RequireInputIter<_InputIterator>>
- #else
- template<typename _InputIterator>
- #endif
- map(_InputIterator __first, _InputIterator __last,
- const _Compare& __comp = _Compare(),
- const _Allocator& __a = _Allocator())
- : _Base(__first, __last, __comp, __a) { }
- map(const _Base& __x)
- : _Base(__x) { }
- #if __cplusplus >= 201103L
- map(initializer_list<value_type> __l,
- const _Compare& __c = _Compare(),
- const _Allocator& __a = _Allocator())
- : _Base(__l, __c, __a) { }
- explicit
- map(const _Allocator& __a)
- : _Base(__a) { }
- map(const map& __x, const _Allocator& __a)
- : _Base(__x, __a) { }
- map(map&& __x, const _Allocator& __a)
- noexcept( noexcept(_Base(std::move(__x), __a)) )
- : _Base(std::move(__x), __a) { }
- map(initializer_list<value_type> __l, const _Allocator& __a)
- : _Base(__l, __a) { }
- template<typename _InputIterator>
- map(_InputIterator __first, _InputIterator __last,
- const _Allocator& __a)
- : _Base(__first, __last, __a) { }
- #endif
- #if __cplusplus < 201103L
- map&
- operator=(const map& __x)
- {
- this->_M_profile_destruct();
- _M_base() = __x;
- this->_M_profile_construct();
- return *this;
- }
- #else
- map&
- operator=(const map&) = default;
- map&
- operator=(map&&) = default;
- map&
- operator=(initializer_list<value_type> __l)
- {
- this->_M_profile_destruct();
- _M_base() = __l;
- this->_M_profile_construct();
- return *this;
- }
- #endif
- // 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); }
- #if __cplusplus >= 201103L
- const_iterator
- cbegin() const noexcept
- { return const_iterator(_Base::cbegin(), this); }
- const_iterator
- cend() const noexcept
- { return const_iterator(_Base::cend(), this); }
- #endif
- reverse_iterator
- rbegin() _GLIBCXX_NOEXCEPT
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return reverse_iterator(end());
- }
- const_reverse_iterator
- rbegin() const _GLIBCXX_NOEXCEPT
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_reverse_iterator(end());
- }
- reverse_iterator
- rend() _GLIBCXX_NOEXCEPT
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return reverse_iterator(begin());
- }
- const_reverse_iterator
- rend() const _GLIBCXX_NOEXCEPT
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_reverse_iterator(begin());
- }
- #if __cplusplus >= 201103L
- const_reverse_iterator
- crbegin() const noexcept
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_reverse_iterator(cend());
- }
- const_reverse_iterator
- crend() const noexcept
- {
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_reverse_iterator(cbegin());
- }
- #endif
- // 23.3.1.2 element access:
- mapped_type&
- operator[](const key_type& __k)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return _Base::operator[](__k);
- }
- #if __cplusplus >= 201103L
- mapped_type&
- operator[](key_type&& __k)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return _Base::operator[](std::move(__k));
- }
- #endif
- mapped_type&
- at(const key_type& __k)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return _Base::at(__k);
- }
- const mapped_type&
- at(const key_type& __k) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return _Base::at(__k);
- }
- // modifiers:
- #if __cplusplus >= 201103L
- template<typename... _Args>
- std::pair<iterator, bool>
- emplace(_Args&&... __args)
- {
- // The cost is the same whether or not the element is inserted so we
- // always report insertion of 1 element.
- __profcxx_map2umap_insert(this->_M_map2umap_info, this->size(), 1);
- auto __base_ret = _Base::emplace(std::forward<_Args>(__args)...);
- return std::make_pair(iterator(__base_ret.first, this),
- __base_ret.second);
- }
- template<typename... _Args>
- iterator
- emplace_hint(const_iterator __pos, _Args&&... __args)
- {
- auto size_before = this->size();
- auto __res
- = _Base::emplace_hint(__pos.base(), std::forward<_Args>(__args)...);
- __profcxx_map2umap_insert(this->_M_map2umap_info,
- size_before, _M_hint_used(__pos.base(), __res) ? 0 : 1);
- return iterator(__res, this);
- }
- #endif
- std::pair<iterator, bool>
- insert(const value_type& __x)
- {
- __profcxx_map2umap_insert(this->_M_map2umap_info, this->size(), 1);
- std::pair<_Base_iterator, bool> __base_ret = _Base::insert(__x);
- return std::make_pair(iterator(__base_ret.first, this),
- __base_ret.second);
- }
- #if __cplusplus >= 201103L
- template<typename _Pair, typename = typename
- std::enable_if<std::is_constructible<value_type,
- _Pair&&>::value>::type>
- std::pair<iterator, bool>
- insert(_Pair&& __x)
- {
- __profcxx_map2umap_insert(this->_M_map2umap_info, this->size(), 1);
- auto __base_ret= _Base::insert(std::forward<_Pair>(__x));
- return std::make_pair(iterator(__base_ret.first, this),
- __base_ret.second);
- }
- #endif
- #if __cplusplus >= 201103L
- void
- insert(std::initializer_list<value_type> __list)
- { insert(__list.begin(), __list.end()); }
- #endif
- iterator
- #if __cplusplus >= 201103L
- insert(const_iterator __pos, const value_type& __x)
- #else
- insert(iterator __pos, const value_type& __x)
- #endif
- {
- size_type size_before = this->size();
- _Base_iterator __res = _Base::insert(__pos.base(), __x);
-
- __profcxx_map2umap_insert(this->_M_map2umap_info,
- size_before, _M_hint_used(__pos.base(), __res) ? 0 : 1);
- return iterator(__res, this);
- }
- #if __cplusplus >= 201103L
- template<typename _Pair, typename = typename
- std::enable_if<std::is_constructible<value_type,
- _Pair&&>::value>::type>
- iterator
- insert(const_iterator __pos, _Pair&& __x)
- {
- size_type size_before = this->size();
- auto __res = _Base::insert(__pos.base(), std::forward<_Pair>(__x));
-
- __profcxx_map2umap_insert(this->_M_map2umap_info,
- size_before, _M_hint_used(__pos.base(), __res) ? 0 : 1);
- return iterator(__res, this);
- }
- #endif
- template<typename _InputIterator>
- void
- insert(_InputIterator __first, _InputIterator __last)
- {
- for (; __first != __last; ++__first)
- insert(*__first);
- }
- #if __cplusplus >= 201103L
- iterator
- erase(const_iterator __pos)
- {
- __profcxx_map2umap_erase(this->_M_map2umap_info, this->size(), 1);
- return iterator(_Base::erase(__pos.base()), this);
- }
- iterator
- erase(iterator __pos)
- {
- __profcxx_map2umap_erase(this->_M_map2umap_info, this->size(), 1);
- return iterator(_Base::erase(__pos.base()), this);
- }
- #else
- void
- erase(iterator __pos)
- {
- __profcxx_map2umap_erase(this->_M_map2umap_info, this->size(), 1);
- _Base::erase(__pos.base());
- }
- #endif
- size_type
- erase(const key_type& __x)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- __profcxx_map2umap_erase(this->_M_map2umap_info, this->size(), 1);
- return _Base::erase(__x);
- }
- #if __cplusplus >= 201103L
- iterator
- erase(const_iterator __first, const_iterator __last)
- {
- if (__first != __last)
- {
- iterator __ret;
- for (; __first != __last;)
- __ret = erase(__first++);
- return __ret;
- }
- else
- return iterator(_Base::erase(__first.base(), __last.base()), this);
- }
- #else
- void
- erase(iterator __first, iterator __last)
- {
- for (; __first != __last;)
- erase(__first++);
- }
- #endif
- void
- swap(map& __x)
- #if __cplusplus >= 201103L
- noexcept( noexcept(declval<_Base>().swap(__x)) )
- #endif
- {
- _Base::swap(__x);
- this->_M_swap(__x);
- }
- void
- clear() _GLIBCXX_NOEXCEPT
- {
- this->_M_profile_destruct();
- _Base::clear();
- this->_M_profile_construct();
- }
- // 23.3.1.3 map operations:
- iterator
- find(const key_type& __x)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return iterator(_Base::find(__x), this);
- }
- const_iterator
- find(const key_type& __x) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return const_iterator(_Base::find(__x), this);
- }
- size_type
- count(const key_type& __x) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- return _Base::count(__x);
- }
- iterator
- lower_bound(const key_type& __x)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return iterator(_Base::lower_bound(__x), this);
- }
- const_iterator
- lower_bound(const key_type& __x) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_iterator(_Base::lower_bound(__x), this);
- }
- iterator
- upper_bound(const key_type& __x)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return iterator(_Base::upper_bound(__x), this);
- }
- const_iterator
- upper_bound(const key_type& __x) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- __profcxx_map2umap_invalidate(this->_M_map2umap_info);
- return const_iterator(_Base::upper_bound(__x), this);
- }
- std::pair<iterator,iterator>
- equal_range(const key_type& __x)
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- std::pair<_Base_iterator, _Base_iterator> __base_ret
- = _Base::equal_range(__x);
- return std::make_pair(iterator(__base_ret.first, this),
- iterator(__base_ret.second, this));
- }
- std::pair<const_iterator,const_iterator>
- equal_range(const key_type& __x) const
- {
- __profcxx_map2umap_find(this->_M_map2umap_info, this->size());
- std::pair<_Base_const_iterator, _Base_const_iterator> __base_ret
- = _Base::equal_range(__x);
- return std::make_pair(const_iterator(__base_ret.first, this),
- const_iterator(__base_ret.second, this));
- }
- _Base&
- _M_base() _GLIBCXX_NOEXCEPT { return *this; }
- const _Base&
- _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
- private:
- /** If hint is used we consider that the map and unordered_map
- * operations have equivalent insertion cost so we do not update metrics
- * about it.
- * Note that to find out if hint has been used is libstdc++
- * implementation dependent.
- */
- bool
- _M_hint_used(_Base_const_iterator __hint, _Base_iterator __res)
- {
- return (__hint == __res
- || (__hint == _M_base().end() && ++__res == _M_base().end())
- || (__hint != _M_base().end() && (++__hint == __res
- || ++__res == --__hint)));
- }
- template<typename _K1, typename _T1, typename _C1, typename _A1>
- friend bool
- operator==(const map<_K1, _T1, _C1, _A1>&,
- const map<_K1, _T1, _C1, _A1>&);
- template<typename _K1, typename _T1, typename _C1, typename _A1>
- friend bool
- operator<(const map<_K1, _T1, _C1, _A1>&,
- const map<_K1, _T1, _C1, _A1>&);
- };
- 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)
- {
- __profcxx_map2umap_invalidate(__lhs._M_map2umap_info);
- __profcxx_map2umap_invalidate(__rhs._M_map2umap_info);
- 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)
- {
- __profcxx_map2umap_invalidate(__lhs._M_map2umap_info);
- __profcxx_map2umap_invalidate(__rhs._M_map2umap_info);
- 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 == __rhs); }
- 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 !(__rhs < __lhs); }
- 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 < __rhs); }
- 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 __rhs < __lhs; }
- 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 __profile
- } // namespace std
- #endif
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