562 lines
16 KiB
C++
562 lines
16 KiB
C++
// Profiling map implementation -*- C++ -*-
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// Copyright (C) 2009-2013 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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/** @file profile/map.h
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* This file is a GNU profile extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_PROFILE_MAP_H
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#define _GLIBCXX_PROFILE_MAP_H 1
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#include <utility>
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#include <profile/base.h>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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namespace __profile
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{
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/// Class std::map wrapper with performance instrumentation.
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template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
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typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
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class map
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: public _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator>
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{
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typedef _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator> _Base;
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public:
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// types:
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typedef _Key key_type;
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typedef _Tp mapped_type;
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typedef std::pair<const _Key, _Tp> value_type;
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typedef _Compare key_compare;
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typedef _Allocator allocator_type;
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typedef typename _Base::reference reference;
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typedef typename _Base::const_reference const_reference;
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typedef typename _Base::iterator iterator;
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typedef typename _Base::const_iterator const_iterator;
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typedef typename _Base::size_type size_type;
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typedef typename _Base::difference_type difference_type;
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typedef typename _Base::pointer pointer;
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typedef typename _Base::const_pointer const_pointer;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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// 23.3.1.1 construct/copy/destroy:
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explicit
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map(const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__comp, __a)
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{ __profcxx_map_to_unordered_map_construct(this); }
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#if __cplusplus >= 201103L
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template<typename _InputIterator,
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typename = std::_RequireInputIter<_InputIterator>>
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#else
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template<typename _InputIterator>
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#endif
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map(_InputIterator __first, _InputIterator __last,
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const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__first, __last, __comp, __a)
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{ __profcxx_map_to_unordered_map_construct(this); }
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map(const map& __x)
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: _Base(__x)
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{ __profcxx_map_to_unordered_map_construct(this); }
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map(const _Base& __x)
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: _Base(__x)
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{ __profcxx_map_to_unordered_map_construct(this); }
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#if __cplusplus >= 201103L
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map(map&& __x)
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noexcept(is_nothrow_copy_constructible<_Compare>::value)
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: _Base(std::move(__x))
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{ }
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map(initializer_list<value_type> __l,
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const _Compare& __c = _Compare(),
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const allocator_type& __a = allocator_type())
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: _Base(__l, __c, __a) { }
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#endif
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~map() _GLIBCXX_NOEXCEPT
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{ __profcxx_map_to_unordered_map_destruct(this); }
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map&
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operator=(const map& __x)
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{
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*static_cast<_Base*>(this) = __x;
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return *this;
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}
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#if __cplusplus >= 201103L
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map&
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operator=(map&& __x)
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{
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// NB: DR 1204.
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// NB: DR 675.
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this->clear();
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this->swap(__x);
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return *this;
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}
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map&
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operator=(initializer_list<value_type> __l)
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{
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this->clear();
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this->insert(__l);
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return *this;
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}
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#endif
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 133. map missing get_allocator()
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using _Base::get_allocator;
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// iterators:
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iterator
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begin() _GLIBCXX_NOEXCEPT
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{ return _Base::begin(); }
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const_iterator
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begin() const _GLIBCXX_NOEXCEPT
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{ return _Base::begin(); }
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iterator
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end() _GLIBCXX_NOEXCEPT
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{ return _Base::end(); }
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const_iterator
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end() const _GLIBCXX_NOEXCEPT
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{ return _Base::end(); }
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reverse_iterator
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rbegin() _GLIBCXX_NOEXCEPT
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return reverse_iterator(end());
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}
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const_reverse_iterator
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rbegin() const _GLIBCXX_NOEXCEPT
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_reverse_iterator(end());
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}
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reverse_iterator
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rend() _GLIBCXX_NOEXCEPT
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return reverse_iterator(begin());
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}
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const_reverse_iterator
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rend() const _GLIBCXX_NOEXCEPT
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_reverse_iterator(begin());
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}
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#if __cplusplus >= 201103L
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const_iterator
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cbegin() const noexcept
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{ return const_iterator(_Base::begin()); }
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const_iterator
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cend() const noexcept
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{ return const_iterator(_Base::end()); }
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const_reverse_iterator
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crbegin() const noexcept
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_reverse_iterator(end());
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}
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const_reverse_iterator
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crend() const noexcept
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_reverse_iterator(begin());
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}
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#endif
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// capacity:
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using _Base::empty;
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using _Base::size;
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using _Base::max_size;
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// 23.3.1.2 element access:
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mapped_type&
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operator[](const key_type& __k)
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return _Base::operator[](__k);
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}
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#if __cplusplus >= 201103L
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mapped_type&
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operator[](key_type&& __k)
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return _Base::operator[](std::move(__k));
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}
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#endif
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mapped_type&
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at(const key_type& __k)
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return _Base::at(__k);
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}
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const mapped_type&
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at(const key_type& __k) const
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return _Base::at(__k);
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}
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// modifiers:
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#if __cplusplus >= 201103L
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template<typename... _Args>
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std::pair<iterator, bool>
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emplace(_Args&&... __args)
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{
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__profcxx_map_to_unordered_map_insert(this, size(), 1);
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auto __res = _Base::emplace(std::forward<_Args>(__args)...);
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return std::pair<iterator, bool>(iterator(__res.first),
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__res.second);
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}
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template<typename... _Args>
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iterator
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emplace_hint(const_iterator __pos, _Args&&... __args)
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{
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size_type size_before = size();
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auto __res = _Base::emplace_hint(__pos,
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std::forward<_Args>(__args)...);
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__profcxx_map_to_unordered_map_insert(this, size_before,
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size() - size_before);
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return __res;
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}
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#endif
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std::pair<iterator, bool>
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insert(const value_type& __x)
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{
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__profcxx_map_to_unordered_map_insert(this, size(), 1);
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
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return std::pair<iterator, bool>(iterator(__res.first),
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__res.second);
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}
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#if __cplusplus >= 201103L
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
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_Pair&&>::value>::type>
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std::pair<iterator, bool>
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insert(_Pair&& __x)
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{
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__profcxx_map_to_unordered_map_insert(this, size(), 1);
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, bool> __res
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= _Base::insert(std::forward<_Pair>(__x));
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return std::pair<iterator, bool>(iterator(__res.first),
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__res.second);
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}
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#endif
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#if __cplusplus >= 201103L
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void
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insert(std::initializer_list<value_type> __list)
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{
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size_type size_before = size();
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_Base::insert(__list);
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__profcxx_map_to_unordered_map_insert(this, size_before,
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size() - size_before);
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}
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#endif
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iterator
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#if __cplusplus >= 201103L
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insert(const_iterator __position, const value_type& __x)
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#else
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insert(iterator __position, const value_type& __x)
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#endif
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{
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size_type size_before = size();
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iterator __i = iterator(_Base::insert(__position, __x));
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__profcxx_map_to_unordered_map_insert(this, size_before,
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size() - size_before);
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return __i;
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}
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#if __cplusplus >= 201103L
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
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_Pair&&>::value>::type>
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iterator
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insert(const_iterator __position, _Pair&& __x)
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{
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size_type size_before = size();
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iterator __i
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= iterator(_Base::insert(__position, std::forward<_Pair>(__x)));
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__profcxx_map_to_unordered_map_insert(this, size_before,
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size() - size_before);
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return __i;
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}
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#endif
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#if __cplusplus >= 201103L
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template<typename _InputIterator,
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typename = std::_RequireInputIter<_InputIterator>>
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#else
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template<typename _InputIterator>
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#endif
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void
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insert(_InputIterator __first, _InputIterator __last)
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{
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size_type size_before = size();
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_Base::insert(__first, __last);
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__profcxx_map_to_unordered_map_insert(this, size_before,
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size() - size_before);
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}
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#if __cplusplus >= 201103L
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iterator
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erase(const_iterator __position)
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{
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iterator __i = _Base::erase(__position);
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__profcxx_map_to_unordered_map_erase(this, size(), 1);
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return __i;
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}
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iterator
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erase(iterator __position)
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{ return erase(const_iterator(__position)); }
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#else
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void
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erase(iterator __position)
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{
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_Base::erase(__position);
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__profcxx_map_to_unordered_map_erase(this, size(), 1);
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}
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#endif
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size_type
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erase(const key_type& __x)
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{
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iterator __victim = find(__x);
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if (__victim == end())
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return 0;
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else
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{
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_Base::erase(__victim);
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return 1;
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}
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}
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#if __cplusplus >= 201103L
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iterator
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erase(const_iterator __first, const_iterator __last)
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{ return iterator(_Base::erase(__first, __last)); }
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#else
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void
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erase(iterator __first, iterator __last)
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{ _Base::erase(__first, __last); }
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#endif
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void
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swap(map& __x)
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{ _Base::swap(__x); }
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void
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clear() _GLIBCXX_NOEXCEPT
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{ this->erase(begin(), end()); }
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// observers:
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using _Base::key_comp;
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using _Base::value_comp;
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// 23.3.1.3 map operations:
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iterator
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find(const key_type& __x)
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return iterator(_Base::find(__x));
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}
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const_iterator
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find(const key_type& __x) const
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return const_iterator(_Base::find(__x));
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}
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size_type
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count(const key_type& __x) const
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{
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__profcxx_map_to_unordered_map_find(this, size());
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return _Base::count(__x);
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}
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iterator
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lower_bound(const key_type& __x)
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return iterator(_Base::lower_bound(__x));
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}
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const_iterator
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lower_bound(const key_type& __x) const
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_iterator(_Base::lower_bound(__x));
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}
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iterator
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upper_bound(const key_type& __x)
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return iterator(_Base::upper_bound(__x));
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}
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const_iterator
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upper_bound(const key_type& __x) const
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{
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__profcxx_map_to_unordered_map_invalidate(this);
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return const_iterator(_Base::upper_bound(__x));
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}
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std::pair<iterator,iterator>
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equal_range(const key_type& __x)
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{
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, _Base_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(iterator(__res.first),
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iterator(__res.second));
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}
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std::pair<const_iterator,const_iterator>
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equal_range(const key_type& __x) const
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{
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__profcxx_map_to_unordered_map_find(this, size());
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typedef typename _Base::const_iterator _Base_const_iterator;
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std::pair<_Base_const_iterator, _Base_const_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(const_iterator(__res.first),
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const_iterator(__res.second));
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}
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_Base&
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_M_base() _GLIBCXX_NOEXCEPT { return *this; }
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const _Base&
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_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
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};
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator==(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{
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__profcxx_map_to_unordered_map_invalidate(&__lhs);
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__profcxx_map_to_unordered_map_invalidate(&__rhs);
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return __lhs._M_base() == __rhs._M_base();
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}
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator!=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{
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__profcxx_map_to_unordered_map_invalidate(&__lhs);
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__profcxx_map_to_unordered_map_invalidate(&__rhs);
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return __lhs._M_base() != __rhs._M_base();
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}
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator<(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{
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__profcxx_map_to_unordered_map_invalidate(&__lhs);
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__profcxx_map_to_unordered_map_invalidate(&__rhs);
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return __lhs._M_base() < __rhs._M_base();
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}
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator<=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{
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__profcxx_map_to_unordered_map_invalidate(&__lhs);
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__profcxx_map_to_unordered_map_invalidate(&__rhs);
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return __lhs._M_base() <= __rhs._M_base();
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}
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator>=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{
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__profcxx_map_to_unordered_map_invalidate(&__lhs);
|
|
__profcxx_map_to_unordered_map_invalidate(&__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)
|
|
{
|
|
__profcxx_map_to_unordered_map_invalidate(&__lhs);
|
|
__profcxx_map_to_unordered_map_invalidate(&__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 __profile
|
|
} // namespace std
|
|
|
|
#endif
|