5624e564d2
From-SVN: r219188
646 lines
16 KiB
C++
646 lines
16 KiB
C++
// Profiling list implementation -*- C++ -*-
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// Copyright (C) 2009-2015 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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// 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 and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file profile/list
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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_LIST
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#define _GLIBCXX_PROFILE_LIST 1
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#include <list>
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#include <profile/base.h>
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#include <profile/iterator_tracker.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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template<typename _List>
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class _List_profile
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{
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_List&
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_M_conjure()
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{ return *static_cast<_List*>(this); }
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public:
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__gnu_profile::__list2slist_info* _M_list2slist_info;
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__gnu_profile::__list2vector_info* _M_list2vector_info;
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_List_profile() _GLIBCXX_NOEXCEPT
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{ _M_profile_construct(); }
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void
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_M_profile_construct() _GLIBCXX_NOEXCEPT
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{
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_M_list2slist_info = __profcxx_list2slist_construct();
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_M_list2vector_info = __profcxx_list2vector_construct();
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}
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void
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_M_profile_destruct() _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2vector_destruct(_M_list2vector_info);
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_M_list2vector_info = 0;
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__profcxx_list2slist_destruct(_M_list2slist_info);
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_M_list2slist_info = 0;
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}
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void
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_M_swap(_List_profile& __other)
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{
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std::swap(_M_list2slist_info, __other._M_list2slist_info);
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std::swap(_M_list2vector_info, __other._M_list2vector_info);
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}
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#if __cplusplus >= 201103L
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_List_profile(const _List_profile&) noexcept
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: _List_profile() { }
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_List_profile(_List_profile&& __other) noexcept
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: _List_profile()
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{ _M_swap(__other); }
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_List_profile&
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operator=(const _List_profile&) noexcept
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{
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_M_profile_destruct();
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_M_profile_construct();
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}
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_List_profile&
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operator=(_List_profile&& __other) noexcept
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{
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_M_swap(__other);
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__other._M_profile_destruct();
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__other._M_profile_construct();
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}
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#endif
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~_List_profile()
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{ _M_profile_destruct(); }
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};
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/** @brief List wrapper with performance instrumentation. */
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template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
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class list
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: public _GLIBCXX_STD_C::list<_Tp, _Allocator>,
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public _List_profile<list<_Tp, _Allocator> >
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{
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typedef _GLIBCXX_STD_C::list<_Tp, _Allocator> _Base;
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public:
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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 __iterator_tracker<typename _Base::iterator, list>
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iterator;
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typedef __iterator_tracker<typename _Base::const_iterator, list>
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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 _Tp value_type;
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typedef _Allocator allocator_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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// 23.2.2.1 construct/copy/destroy:
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#if __cplusplus < 201103L
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list() { }
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list(const list& __x)
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: _Base(__x) { }
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~list() { }
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#else
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list() = default;
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list(const list&) = default;
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list(list&&) = default;
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~list() = default;
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list(initializer_list<value_type> __l,
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const allocator_type& __a = allocator_type())
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: _Base(__l, __a) { }
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#endif
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explicit
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list(const _Allocator& __a) _GLIBCXX_NOEXCEPT
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: _Base(__a) { }
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#if __cplusplus >= 201103L
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explicit
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list(size_type __n)
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: _Base(__n) { }
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list(size_type __n, const _Tp& __value,
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const _Allocator& __a = _Allocator())
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: _Base(__n, __value, __a) { }
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#else
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explicit
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list(size_type __n, const _Tp& __value = _Tp(),
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const _Allocator& __a = _Allocator())
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: _Base(__n, __value, __a) { }
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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<class _InputIterator>
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#endif
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list(_InputIterator __first, _InputIterator __last,
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const _Allocator& __a = _Allocator())
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: _Base(__first, __last, __a) { }
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list(const _Base& __x)
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: _Base(__x) { }
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#if __cplusplus < 201103L
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list&
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operator=(const list& __x)
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{
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this->_M_profile_destruct();
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_M_base() = __x;
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this->_M_profile_construct();
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return *this;
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}
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#else
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list&
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operator=(const list&) = default;
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list&
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operator=(list&&) = default;
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list&
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operator=(initializer_list<value_type> __l)
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{
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this->_M_profile_destruct();
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_M_base() = __l;
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this->_M_profile_construct();
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return *this;
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}
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#endif
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// iterators:
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iterator
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begin() _GLIBCXX_NOEXCEPT
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{ return iterator(_Base::begin(), this); }
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const_iterator
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begin() const _GLIBCXX_NOEXCEPT
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{ return const_iterator(_Base::begin(), this); }
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iterator
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end() _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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return iterator(_Base::end(), this);
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}
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const_iterator
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end() const _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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return const_iterator(_Base::end(), this);
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}
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reverse_iterator
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rbegin() _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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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_list2slist_rewind(this->_M_list2slist_info);
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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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{ return reverse_iterator(begin()); }
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const_reverse_iterator
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rend() const _GLIBCXX_NOEXCEPT
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{ return const_reverse_iterator(begin()); }
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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::cbegin(), this); }
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const_iterator
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cend() const noexcept
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{ return const_iterator(_Base::cend(), this); }
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const_reverse_iterator
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crbegin() const noexcept
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{ return const_reverse_iterator(end()); }
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const_reverse_iterator
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crend() const noexcept
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{ return const_reverse_iterator(begin()); }
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#endif
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// 23.2.2.2 capacity:
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reference
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back() _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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return _Base::back();
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}
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const_reference
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back() const _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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return _Base::back();
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}
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// 23.2.2.3 modifiers:
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void
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push_front(const value_type& __x)
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{
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__profcxx_list2vector_invalid_operator(this->_M_list2vector_info);
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__profcxx_list2slist_operation(this->_M_list2slist_info);
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_Base::push_front(__x);
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}
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void
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pop_front() _GLIBCXX_NOEXCEPT
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{
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__profcxx_list2slist_operation(this->_M_list2slist_info);
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_Base::pop_front();
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}
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void
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pop_back() _GLIBCXX_NOEXCEPT
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{
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_Base::pop_back();
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__profcxx_list2slist_rewind(this->_M_list2slist_info);
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}
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#if __cplusplus >= 201103L
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template<typename... _Args>
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iterator
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emplace(const_iterator __position, _Args&&... __args)
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{
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return iterator(_Base::emplace(__position.base(),
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std::forward<_Args>(__args)...),
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this);
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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 __pos, const _Tp& __x)
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#else
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insert(iterator __pos, const _Tp& __x)
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#endif
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{
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_M_profile_insert(__pos, this->size());
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return iterator(_Base::insert(__pos.base(), __x), this);
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}
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#if __cplusplus >= 201103L
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iterator
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insert(const_iterator __pos, _Tp&& __x)
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{
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_M_profile_insert(__pos, this->size());
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return iterator(_Base::emplace(__pos.base(), std::move(__x)),
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this);
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}
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iterator
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insert(const_iterator __pos, initializer_list<value_type> __l)
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{
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_M_profile_insert(__pos, this->size());
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return iterator(_Base::insert(__pos.base(), __l), this);
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}
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#endif
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#if __cplusplus >= 201103L
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iterator
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insert(const_iterator __pos, size_type __n, const _Tp& __x)
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{
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_M_profile_insert(__pos, this->size());
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return iterator(_Base::insert(__pos.base(), __n, __x), this);
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}
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#else
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void
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insert(iterator __pos, size_type __n, const _Tp& __x)
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{
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_M_profile_insert(__pos, this->size());
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_Base::insert(__pos.base(), __n, __x);
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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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iterator
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insert(const_iterator __pos, _InputIterator __first,
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_InputIterator __last)
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{
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_M_profile_insert(__pos, this->size());
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return iterator(_Base::insert(__pos.base(), __first, __last),
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this);
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}
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#else
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template<class _InputIterator>
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void
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insert(iterator __pos, _InputIterator __first,
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_InputIterator __last)
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{
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_M_profile_insert(__pos, this->size());
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_Base::insert(__pos.base(), __first, __last);
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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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erase(const_iterator __pos) noexcept
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#else
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erase(iterator __pos)
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#endif
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{ return iterator(_Base::erase(__pos.base()), this); }
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iterator
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#if __cplusplus >= 201103L
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erase(const_iterator __pos, const_iterator __last) noexcept
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#else
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erase(iterator __pos, iterator __last)
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#endif
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 151. can't currently clear() empty container
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return iterator(_Base::erase(__pos.base(), __last.base()), this);
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}
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void
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swap(list& __x)
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#if __cplusplus >= 201103L
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noexcept( noexcept(declval<_Base>().swap(__x)) )
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#endif
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{
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_Base::swap(__x);
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this->_M_swap(__x);
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}
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void
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clear() _GLIBCXX_NOEXCEPT
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{
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this->_M_profile_destruct();
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_Base::clear();
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this->_M_profile_construct();
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}
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// 23.2.2.4 list operations:
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void
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#if __cplusplus >= 201103L
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splice(const_iterator __pos, list&& __x) noexcept
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#else
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splice(iterator __pos, list& __x)
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#endif
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{ this->splice(__pos, _GLIBCXX_MOVE(__x), __x.begin(), __x.end()); }
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#if __cplusplus >= 201103L
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void
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splice(const_iterator __pos, list& __x) noexcept
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{ this->splice(__pos, std::move(__x)); }
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void
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splice(const_iterator __pos, list& __x, const_iterator __i)
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{ this->splice(__pos, std::move(__x), __i); }
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#endif
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void
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#if __cplusplus >= 201103L
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splice(const_iterator __pos, list&& __x, const_iterator __i) noexcept
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#else
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splice(iterator __pos, list& __x, iterator __i)
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#endif
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{
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// We used to perform the splice_alloc check: not anymore, redundant
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// after implementing the relevant bits of N1599.
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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_Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
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__i.base());
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}
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void
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#if __cplusplus >= 201103L
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splice(const_iterator __pos, list&& __x, const_iterator __first,
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const_iterator __last) noexcept
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#else
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splice(iterator __pos, list& __x, iterator __first,
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iterator __last)
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#endif
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{
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_Base::splice(__pos.base(), _GLIBCXX_MOVE(__x._M_base()),
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__first.base(), __last.base());
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}
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#if __cplusplus >= 201103L
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void
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splice(const_iterator __pos, list& __x,
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const_iterator __first, const_iterator __last) noexcept
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{ this->splice(__pos, std::move(__x), __first, __last); }
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#endif
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void
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remove(const _Tp& __value)
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{
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for (iterator __x = begin(); __x != end(); )
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{
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if (*__x == __value)
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__x = erase(__x);
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else
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++__x;
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}
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}
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template<class _Predicate>
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void
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remove_if(_Predicate __pred)
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{
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for (iterator __x = begin(); __x != end(); )
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{
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__profcxx_list2slist_operation(this->_M_list2slist_info);
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if (__pred(*__x))
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__x = erase(__x);
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else
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++__x;
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}
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}
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void
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unique()
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{
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iterator __first = begin();
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iterator __last = end();
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if (__first == __last)
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return;
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iterator __next = __first;
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while (++__next != __last)
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{
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__profcxx_list2slist_operation(this->_M_list2slist_info);
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if (*__first == *__next)
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erase(__next);
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else
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__first = __next;
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__next = __first;
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}
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}
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template<class _BinaryPredicate>
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void
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unique(_BinaryPredicate __binary_pred)
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{
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iterator __first = begin();
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iterator __last = end();
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if (__first == __last)
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return;
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iterator __next = __first;
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while (++__next != __last)
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{
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__profcxx_list2slist_operation(this->_M_list2slist_info);
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if (__binary_pred(*__first, *__next))
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erase(__next);
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else
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__first = __next;
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__next = __first;
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}
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}
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void
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#if __cplusplus >= 201103L
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merge(list&& __x)
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#else
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merge(list& __x)
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#endif
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{ _Base::merge(_GLIBCXX_MOVE(__x._M_base())); }
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#if __cplusplus >= 201103L
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void
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merge(list& __x)
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{ this->merge(std::move(__x)); }
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#endif
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template<class _Compare>
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void
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#if __cplusplus >= 201103L
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merge(list&& __x, _Compare __comp)
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|
#else
|
|
merge(list& __x, _Compare __comp)
|
|
#endif
|
|
{ _Base::merge(_GLIBCXX_MOVE(__x._M_base()), __comp); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Compare>
|
|
void
|
|
merge(list& __x, _Compare __comp)
|
|
{ this->merge(std::move(__x), __comp); }
|
|
#endif
|
|
|
|
_Base&
|
|
_M_base() _GLIBCXX_NOEXCEPT { return *this; }
|
|
|
|
const _Base&
|
|
_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
|
|
|
|
void _M_profile_iterate(int __rewind = 0) const
|
|
{
|
|
__profcxx_list2slist_operation(this->_M_list2slist_info);
|
|
__profcxx_list2vector_iterate(this->_M_list2vector_info, __rewind);
|
|
if (__rewind)
|
|
__profcxx_list2slist_rewind(this->_M_list2slist_info);
|
|
}
|
|
|
|
private:
|
|
size_type
|
|
_M_profile_insert(const_iterator __pos, size_type __size)
|
|
{
|
|
size_type __shift = 0;
|
|
typename _Base::const_iterator __it = __pos.base();
|
|
for (; __it != _Base::end(); ++__it)
|
|
__shift++;
|
|
__profcxx_list2slist_rewind(this->_M_list2slist_info);
|
|
__profcxx_list2slist_operation(this->_M_list2slist_info);
|
|
__profcxx_list2vector_insert(this->_M_list2vector_info, __shift, __size);
|
|
}
|
|
};
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator==(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() == __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator!=(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() != __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator<(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() < __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator<=(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() <= __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator>=(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() >= __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator>(const list<_Tp, _Alloc>& __lhs,
|
|
const list<_Tp, _Alloc>& __rhs)
|
|
{ return __lhs._M_base() > __rhs._M_base(); }
|
|
|
|
template<typename _Tp, typename _Alloc>
|
|
inline void
|
|
swap(list<_Tp, _Alloc>& __lhs, list<_Tp, _Alloc>& __rhs)
|
|
{ __lhs.swap(__rhs); }
|
|
|
|
} // namespace __profile
|
|
} // namespace std
|
|
|
|
#endif
|