91c78ea5b6
* include/bits/stl_map.h (map::find<>, map::count<>, map::lower_bound<>, map::upper_bound<>, map::equal_range<>): New member function templates to perform heterogeneous lookup. * include/bits/stl_multimap.h (multimap::find<>, multimap::count<>, multimap::lower_bound<>, multimap::upper_bound<>, multimap::equal_range<>): Likewise. * include/bits/stl_multiset.h (multiset::find<>, multiset::count<>, multiset::lower_bound<>, multiset::upper_bound<>, multiset::equal_range<>): Likewise. * include/bits/stl_set.h (set::find<>, set::count<>, set::lower_bound<>, set::upper_bound<>, set::equal_range<>): Likewise. * include/bits/stl_tree.h (_Rb_tree::_S_lower_bound_tr, _Rb_tree::_S_upper_bound_tr, _Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr, _Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr, _Rb_tree::_M_equal_range_tr): Likewise. * testsuite/23_containers/map/operations/2.cc: New. * testsuite/23_containers/multimap/operations/2.cc: New. * testsuite/23_containers/multiset/operations/2.cc: New. * testsuite/23_containers/set/operations/2.cc: New. From-SVN: r219888
2381 lines
68 KiB
C++
2381 lines
68 KiB
C++
// RB tree implementation -*- C++ -*-
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// Copyright (C) 2001-2015 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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/*
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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*/
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/** @file bits/stl_tree.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{map,set}
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*/
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#ifndef _STL_TREE_H
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#define _STL_TREE_H 1
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#pragma GCC system_header
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#include <bits/stl_algobase.h>
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#include <bits/allocator.h>
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#include <bits/stl_function.h>
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#include <bits/cpp_type_traits.h>
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#include <ext/alloc_traits.h>
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#if __cplusplus >= 201103L
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#include <ext/aligned_buffer.h>
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#endif
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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// Red-black tree class, designed for use in implementing STL
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// associative containers (set, multiset, map, and multimap). The
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// insertion and deletion algorithms are based on those in Cormen,
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// Leiserson, and Rivest, Introduction to Algorithms (MIT Press,
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// 1990), except that
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//
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// (1) the header cell is maintained with links not only to the root
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// but also to the leftmost node of the tree, to enable constant
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// time begin(), and to the rightmost node of the tree, to enable
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// linear time performance when used with the generic set algorithms
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// (set_union, etc.)
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//
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// (2) when a node being deleted has two children its successor node
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// is relinked into its place, rather than copied, so that the only
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// iterators invalidated are those referring to the deleted node.
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enum _Rb_tree_color { _S_red = false, _S_black = true };
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struct _Rb_tree_node_base
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{
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typedef _Rb_tree_node_base* _Base_ptr;
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typedef const _Rb_tree_node_base* _Const_Base_ptr;
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_Rb_tree_color _M_color;
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_Base_ptr _M_parent;
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_Base_ptr _M_left;
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_Base_ptr _M_right;
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static _Base_ptr
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_S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
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{
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while (__x->_M_left != 0) __x = __x->_M_left;
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return __x;
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}
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static _Const_Base_ptr
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_S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
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{
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while (__x->_M_left != 0) __x = __x->_M_left;
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return __x;
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}
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static _Base_ptr
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_S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
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{
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while (__x->_M_right != 0) __x = __x->_M_right;
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return __x;
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}
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static _Const_Base_ptr
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_S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
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{
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while (__x->_M_right != 0) __x = __x->_M_right;
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return __x;
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}
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};
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template<typename _Val>
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struct _Rb_tree_node : public _Rb_tree_node_base
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{
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typedef _Rb_tree_node<_Val>* _Link_type;
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#if __cplusplus < 201103L
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_Val _M_value_field;
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_Val*
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_M_valptr()
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{ return std::__addressof(_M_value_field); }
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const _Val*
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_M_valptr() const
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{ return std::__addressof(_M_value_field); }
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#else
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__gnu_cxx::__aligned_buffer<_Val> _M_storage;
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_Val*
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_M_valptr()
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{ return _M_storage._M_ptr(); }
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const _Val*
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_M_valptr() const
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{ return _M_storage._M_ptr(); }
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#endif
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};
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_GLIBCXX_PURE _Rb_tree_node_base*
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_Rb_tree_increment(_Rb_tree_node_base* __x) throw ();
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_GLIBCXX_PURE const _Rb_tree_node_base*
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_Rb_tree_increment(const _Rb_tree_node_base* __x) throw ();
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_GLIBCXX_PURE _Rb_tree_node_base*
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_Rb_tree_decrement(_Rb_tree_node_base* __x) throw ();
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_GLIBCXX_PURE const _Rb_tree_node_base*
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_Rb_tree_decrement(const _Rb_tree_node_base* __x) throw ();
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template<typename _Tp>
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struct _Rb_tree_iterator
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{
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typedef _Tp value_type;
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typedef _Tp& reference;
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typedef _Tp* pointer;
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typedef bidirectional_iterator_tag iterator_category;
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typedef ptrdiff_t difference_type;
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typedef _Rb_tree_iterator<_Tp> _Self;
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typedef _Rb_tree_node_base::_Base_ptr _Base_ptr;
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typedef _Rb_tree_node<_Tp>* _Link_type;
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_Rb_tree_iterator() _GLIBCXX_NOEXCEPT
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: _M_node() { }
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explicit
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_Rb_tree_iterator(_Link_type __x) _GLIBCXX_NOEXCEPT
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: _M_node(__x) { }
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reference
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operator*() const _GLIBCXX_NOEXCEPT
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{ return *static_cast<_Link_type>(_M_node)->_M_valptr(); }
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pointer
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operator->() const _GLIBCXX_NOEXCEPT
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{ return static_cast<_Link_type> (_M_node)->_M_valptr(); }
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_Self&
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operator++() _GLIBCXX_NOEXCEPT
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{
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_M_node = _Rb_tree_increment(_M_node);
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return *this;
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}
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_Self
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operator++(int) _GLIBCXX_NOEXCEPT
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{
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_Self __tmp = *this;
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_M_node = _Rb_tree_increment(_M_node);
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return __tmp;
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}
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_Self&
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operator--() _GLIBCXX_NOEXCEPT
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{
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_M_node = _Rb_tree_decrement(_M_node);
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return *this;
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}
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_Self
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operator--(int) _GLIBCXX_NOEXCEPT
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{
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_Self __tmp = *this;
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_M_node = _Rb_tree_decrement(_M_node);
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return __tmp;
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}
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bool
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operator==(const _Self& __x) const _GLIBCXX_NOEXCEPT
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{ return _M_node == __x._M_node; }
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bool
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operator!=(const _Self& __x) const _GLIBCXX_NOEXCEPT
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{ return _M_node != __x._M_node; }
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_Base_ptr _M_node;
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};
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template<typename _Tp>
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struct _Rb_tree_const_iterator
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{
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typedef _Tp value_type;
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typedef const _Tp& reference;
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typedef const _Tp* pointer;
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typedef _Rb_tree_iterator<_Tp> iterator;
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typedef bidirectional_iterator_tag iterator_category;
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typedef ptrdiff_t difference_type;
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typedef _Rb_tree_const_iterator<_Tp> _Self;
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typedef _Rb_tree_node_base::_Const_Base_ptr _Base_ptr;
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typedef const _Rb_tree_node<_Tp>* _Link_type;
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_Rb_tree_const_iterator() _GLIBCXX_NOEXCEPT
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: _M_node() { }
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explicit
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_Rb_tree_const_iterator(_Link_type __x) _GLIBCXX_NOEXCEPT
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: _M_node(__x) { }
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_Rb_tree_const_iterator(const iterator& __it) _GLIBCXX_NOEXCEPT
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: _M_node(__it._M_node) { }
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iterator
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_M_const_cast() const _GLIBCXX_NOEXCEPT
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{ return iterator(static_cast<typename iterator::_Link_type>
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(const_cast<typename iterator::_Base_ptr>(_M_node))); }
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reference
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operator*() const _GLIBCXX_NOEXCEPT
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{ return *static_cast<_Link_type>(_M_node)->_M_valptr(); }
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pointer
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operator->() const _GLIBCXX_NOEXCEPT
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{ return static_cast<_Link_type>(_M_node)->_M_valptr(); }
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_Self&
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operator++() _GLIBCXX_NOEXCEPT
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{
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_M_node = _Rb_tree_increment(_M_node);
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return *this;
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}
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_Self
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operator++(int) _GLIBCXX_NOEXCEPT
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{
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_Self __tmp = *this;
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_M_node = _Rb_tree_increment(_M_node);
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return __tmp;
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}
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_Self&
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operator--() _GLIBCXX_NOEXCEPT
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{
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_M_node = _Rb_tree_decrement(_M_node);
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return *this;
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}
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_Self
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operator--(int) _GLIBCXX_NOEXCEPT
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{
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_Self __tmp = *this;
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_M_node = _Rb_tree_decrement(_M_node);
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return __tmp;
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}
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bool
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operator==(const _Self& __x) const _GLIBCXX_NOEXCEPT
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{ return _M_node == __x._M_node; }
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bool
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operator!=(const _Self& __x) const _GLIBCXX_NOEXCEPT
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{ return _M_node != __x._M_node; }
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_Base_ptr _M_node;
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};
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template<typename _Val>
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inline bool
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operator==(const _Rb_tree_iterator<_Val>& __x,
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const _Rb_tree_const_iterator<_Val>& __y) _GLIBCXX_NOEXCEPT
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|
{ return __x._M_node == __y._M_node; }
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template<typename _Val>
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inline bool
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operator!=(const _Rb_tree_iterator<_Val>& __x,
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const _Rb_tree_const_iterator<_Val>& __y) _GLIBCXX_NOEXCEPT
|
|
{ return __x._M_node != __y._M_node; }
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void
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_Rb_tree_insert_and_rebalance(const bool __insert_left,
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_Rb_tree_node_base* __x,
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_Rb_tree_node_base* __p,
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_Rb_tree_node_base& __header) throw ();
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_Rb_tree_node_base*
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_Rb_tree_rebalance_for_erase(_Rb_tree_node_base* const __z,
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_Rb_tree_node_base& __header) throw ();
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template<typename _Key, typename _Val, typename _KeyOfValue,
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typename _Compare, typename _Alloc = allocator<_Val> >
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class _Rb_tree
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{
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typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
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rebind<_Rb_tree_node<_Val> >::other _Node_allocator;
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typedef __gnu_cxx::__alloc_traits<_Node_allocator> _Alloc_traits;
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protected:
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typedef _Rb_tree_node_base* _Base_ptr;
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typedef const _Rb_tree_node_base* _Const_Base_ptr;
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typedef _Rb_tree_node<_Val>* _Link_type;
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typedef const _Rb_tree_node<_Val>* _Const_Link_type;
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private:
|
|
// Functor recycling a pool of nodes and using allocation once the pool
|
|
// is empty.
|
|
struct _Reuse_or_alloc_node
|
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{
|
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_Reuse_or_alloc_node(_Rb_tree& __t)
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: _M_root(__t._M_root()), _M_nodes(__t._M_rightmost()), _M_t(__t)
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{
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if (_M_root)
|
|
{
|
|
_M_root->_M_parent = 0;
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|
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if (_M_nodes->_M_left)
|
|
_M_nodes = _M_nodes->_M_left;
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}
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else
|
|
_M_nodes = 0;
|
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}
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|
|
#if __cplusplus >= 201103L
|
|
_Reuse_or_alloc_node(const _Reuse_or_alloc_node&) = delete;
|
|
#endif
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|
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~_Reuse_or_alloc_node()
|
|
{ _M_t._M_erase(static_cast<_Link_type>(_M_root)); }
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template<typename _Arg>
|
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_Link_type
|
|
#if __cplusplus < 201103L
|
|
operator()(const _Arg& __arg)
|
|
#else
|
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operator()(_Arg&& __arg)
|
|
#endif
|
|
{
|
|
_Link_type __node = static_cast<_Link_type>(_M_extract());
|
|
if (__node)
|
|
{
|
|
_M_t._M_destroy_node(__node);
|
|
_M_t._M_construct_node(__node, _GLIBCXX_FORWARD(_Arg, __arg));
|
|
return __node;
|
|
}
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|
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return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg));
|
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}
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private:
|
|
_Base_ptr
|
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_M_extract()
|
|
{
|
|
if (!_M_nodes)
|
|
return _M_nodes;
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|
|
_Base_ptr __node = _M_nodes;
|
|
_M_nodes = _M_nodes->_M_parent;
|
|
if (_M_nodes)
|
|
{
|
|
if (_M_nodes->_M_right == __node)
|
|
{
|
|
_M_nodes->_M_right = 0;
|
|
|
|
if (_M_nodes->_M_left)
|
|
{
|
|
_M_nodes = _M_nodes->_M_left;
|
|
|
|
while (_M_nodes->_M_right)
|
|
_M_nodes = _M_nodes->_M_right;
|
|
|
|
if (_M_nodes->_M_left)
|
|
_M_nodes = _M_nodes->_M_left;
|
|
}
|
|
}
|
|
else // __node is on the left.
|
|
_M_nodes->_M_left = 0;
|
|
}
|
|
else
|
|
_M_root = 0;
|
|
|
|
return __node;
|
|
}
|
|
|
|
_Base_ptr _M_root;
|
|
_Base_ptr _M_nodes;
|
|
_Rb_tree& _M_t;
|
|
};
|
|
|
|
// Functor similar to the previous one but without any pool of nodes to
|
|
// recycle.
|
|
struct _Alloc_node
|
|
{
|
|
_Alloc_node(_Rb_tree& __t)
|
|
: _M_t(__t) { }
|
|
|
|
template<typename _Arg>
|
|
_Link_type
|
|
#if __cplusplus < 201103L
|
|
operator()(const _Arg& __arg) const
|
|
#else
|
|
operator()(_Arg&& __arg) const
|
|
#endif
|
|
{ return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg)); }
|
|
|
|
private:
|
|
_Rb_tree& _M_t;
|
|
};
|
|
|
|
public:
|
|
typedef _Key key_type;
|
|
typedef _Val value_type;
|
|
typedef value_type* pointer;
|
|
typedef const value_type* const_pointer;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
typedef size_t size_type;
|
|
typedef ptrdiff_t difference_type;
|
|
typedef _Alloc allocator_type;
|
|
|
|
_Node_allocator&
|
|
_M_get_Node_allocator() _GLIBCXX_NOEXCEPT
|
|
{ return *static_cast<_Node_allocator*>(&this->_M_impl); }
|
|
|
|
const _Node_allocator&
|
|
_M_get_Node_allocator() const _GLIBCXX_NOEXCEPT
|
|
{ return *static_cast<const _Node_allocator*>(&this->_M_impl); }
|
|
|
|
allocator_type
|
|
get_allocator() const _GLIBCXX_NOEXCEPT
|
|
{ return allocator_type(_M_get_Node_allocator()); }
|
|
|
|
protected:
|
|
_Link_type
|
|
_M_get_node()
|
|
{ return _Alloc_traits::allocate(_M_get_Node_allocator(), 1); }
|
|
|
|
void
|
|
_M_put_node(_Link_type __p) _GLIBCXX_NOEXCEPT
|
|
{ _Alloc_traits::deallocate(_M_get_Node_allocator(), __p, 1); }
|
|
|
|
#if __cplusplus < 201103L
|
|
void
|
|
_M_construct_node(_Link_type __node, const value_type& __x)
|
|
{
|
|
__try
|
|
{ get_allocator().construct(__node->_M_valptr(), __x); }
|
|
__catch(...)
|
|
{
|
|
_M_put_node(__node);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
_Link_type
|
|
_M_create_node(const value_type& __x)
|
|
{
|
|
_Link_type __tmp = _M_get_node();
|
|
_M_construct_node(__tmp, __x);
|
|
return __tmp;
|
|
}
|
|
|
|
void
|
|
_M_destroy_node(_Link_type __p)
|
|
{ get_allocator().destroy(__p->_M_valptr()); }
|
|
#else
|
|
template<typename... _Args>
|
|
void
|
|
_M_construct_node(_Link_type __node, _Args&&... __args)
|
|
{
|
|
__try
|
|
{
|
|
::new(__node) _Rb_tree_node<_Val>;
|
|
_Alloc_traits::construct(_M_get_Node_allocator(),
|
|
__node->_M_valptr(),
|
|
std::forward<_Args>(__args)...);
|
|
}
|
|
__catch(...)
|
|
{
|
|
__node->~_Rb_tree_node<_Val>();
|
|
_M_put_node(__node);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
template<typename... _Args>
|
|
_Link_type
|
|
_M_create_node(_Args&&... __args)
|
|
{
|
|
_Link_type __tmp = _M_get_node();
|
|
_M_construct_node(__tmp, std::forward<_Args>(__args)...);
|
|
return __tmp;
|
|
}
|
|
|
|
void
|
|
_M_destroy_node(_Link_type __p) noexcept
|
|
{
|
|
_Alloc_traits::destroy(_M_get_Node_allocator(), __p->_M_valptr());
|
|
__p->~_Rb_tree_node<_Val>();
|
|
}
|
|
#endif
|
|
|
|
void
|
|
_M_drop_node(_Link_type __p) _GLIBCXX_NOEXCEPT
|
|
{
|
|
_M_destroy_node(__p);
|
|
_M_put_node(__p);
|
|
}
|
|
|
|
template<typename _NodeGen>
|
|
_Link_type
|
|
_M_clone_node(_Const_Link_type __x, _NodeGen& __node_gen)
|
|
{
|
|
_Link_type __tmp = __node_gen(*__x->_M_valptr());
|
|
__tmp->_M_color = __x->_M_color;
|
|
__tmp->_M_left = 0;
|
|
__tmp->_M_right = 0;
|
|
return __tmp;
|
|
}
|
|
|
|
protected:
|
|
// Unused _Is_pod_comparator is kept as it is part of mangled name.
|
|
template<typename _Key_compare,
|
|
bool /* _Is_pod_comparator */ = __is_pod(_Key_compare)>
|
|
struct _Rb_tree_impl : public _Node_allocator
|
|
{
|
|
_Key_compare _M_key_compare;
|
|
_Rb_tree_node_base _M_header;
|
|
size_type _M_node_count; // Keeps track of size of tree.
|
|
|
|
_Rb_tree_impl()
|
|
: _Node_allocator(), _M_key_compare(), _M_header(),
|
|
_M_node_count(0)
|
|
{ _M_initialize(); }
|
|
|
|
_Rb_tree_impl(const _Key_compare& __comp, const _Node_allocator& __a)
|
|
: _Node_allocator(__a), _M_key_compare(__comp), _M_header(),
|
|
_M_node_count(0)
|
|
{ _M_initialize(); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
_Rb_tree_impl(const _Key_compare& __comp, _Node_allocator&& __a)
|
|
: _Node_allocator(std::move(__a)), _M_key_compare(__comp),
|
|
_M_header(), _M_node_count(0)
|
|
{ _M_initialize(); }
|
|
#endif
|
|
|
|
void
|
|
_M_reset()
|
|
{
|
|
this->_M_header._M_parent = 0;
|
|
this->_M_header._M_left = &this->_M_header;
|
|
this->_M_header._M_right = &this->_M_header;
|
|
this->_M_node_count = 0;
|
|
}
|
|
|
|
private:
|
|
void
|
|
_M_initialize()
|
|
{
|
|
this->_M_header._M_color = _S_red;
|
|
this->_M_header._M_parent = 0;
|
|
this->_M_header._M_left = &this->_M_header;
|
|
this->_M_header._M_right = &this->_M_header;
|
|
}
|
|
};
|
|
|
|
_Rb_tree_impl<_Compare> _M_impl;
|
|
|
|
protected:
|
|
_Base_ptr&
|
|
_M_root() _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_parent; }
|
|
|
|
_Const_Base_ptr
|
|
_M_root() const _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_parent; }
|
|
|
|
_Base_ptr&
|
|
_M_leftmost() _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_left; }
|
|
|
|
_Const_Base_ptr
|
|
_M_leftmost() const _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_left; }
|
|
|
|
_Base_ptr&
|
|
_M_rightmost() _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_right; }
|
|
|
|
_Const_Base_ptr
|
|
_M_rightmost() const _GLIBCXX_NOEXCEPT
|
|
{ return this->_M_impl._M_header._M_right; }
|
|
|
|
_Link_type
|
|
_M_begin() _GLIBCXX_NOEXCEPT
|
|
{ return static_cast<_Link_type>(this->_M_impl._M_header._M_parent); }
|
|
|
|
_Const_Link_type
|
|
_M_begin() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
return static_cast<_Const_Link_type>
|
|
(this->_M_impl._M_header._M_parent);
|
|
}
|
|
|
|
_Link_type
|
|
_M_end() _GLIBCXX_NOEXCEPT
|
|
{ return reinterpret_cast<_Link_type>(&this->_M_impl._M_header); }
|
|
|
|
_Const_Link_type
|
|
_M_end() const _GLIBCXX_NOEXCEPT
|
|
{ return reinterpret_cast<_Const_Link_type>(&this->_M_impl._M_header); }
|
|
|
|
static const_reference
|
|
_S_value(_Const_Link_type __x)
|
|
{ return *__x->_M_valptr(); }
|
|
|
|
static const _Key&
|
|
_S_key(_Const_Link_type __x)
|
|
{ return _KeyOfValue()(_S_value(__x)); }
|
|
|
|
static _Link_type
|
|
_S_left(_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return static_cast<_Link_type>(__x->_M_left); }
|
|
|
|
static _Const_Link_type
|
|
_S_left(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return static_cast<_Const_Link_type>(__x->_M_left); }
|
|
|
|
static _Link_type
|
|
_S_right(_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return static_cast<_Link_type>(__x->_M_right); }
|
|
|
|
static _Const_Link_type
|
|
_S_right(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return static_cast<_Const_Link_type>(__x->_M_right); }
|
|
|
|
static const_reference
|
|
_S_value(_Const_Base_ptr __x)
|
|
{ return *static_cast<_Const_Link_type>(__x)->_M_valptr(); }
|
|
|
|
static const _Key&
|
|
_S_key(_Const_Base_ptr __x)
|
|
{ return _KeyOfValue()(_S_value(__x)); }
|
|
|
|
static _Base_ptr
|
|
_S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return _Rb_tree_node_base::_S_minimum(__x); }
|
|
|
|
static _Const_Base_ptr
|
|
_S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return _Rb_tree_node_base::_S_minimum(__x); }
|
|
|
|
static _Base_ptr
|
|
_S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return _Rb_tree_node_base::_S_maximum(__x); }
|
|
|
|
static _Const_Base_ptr
|
|
_S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
|
|
{ return _Rb_tree_node_base::_S_maximum(__x); }
|
|
|
|
public:
|
|
typedef _Rb_tree_iterator<value_type> iterator;
|
|
typedef _Rb_tree_const_iterator<value_type> const_iterator;
|
|
|
|
typedef std::reverse_iterator<iterator> reverse_iterator;
|
|
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
|
|
|
private:
|
|
pair<_Base_ptr, _Base_ptr>
|
|
_M_get_insert_unique_pos(const key_type& __k);
|
|
|
|
pair<_Base_ptr, _Base_ptr>
|
|
_M_get_insert_equal_pos(const key_type& __k);
|
|
|
|
pair<_Base_ptr, _Base_ptr>
|
|
_M_get_insert_hint_unique_pos(const_iterator __pos,
|
|
const key_type& __k);
|
|
|
|
pair<_Base_ptr, _Base_ptr>
|
|
_M_get_insert_hint_equal_pos(const_iterator __pos,
|
|
const key_type& __k);
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg, typename _NodeGen>
|
|
iterator
|
|
_M_insert_(_Base_ptr __x, _Base_ptr __y, _Arg&& __v, _NodeGen&);
|
|
|
|
iterator
|
|
_M_insert_node(_Base_ptr __x, _Base_ptr __y, _Link_type __z);
|
|
|
|
template<typename _Arg>
|
|
iterator
|
|
_M_insert_lower(_Base_ptr __y, _Arg&& __v);
|
|
|
|
template<typename _Arg>
|
|
iterator
|
|
_M_insert_equal_lower(_Arg&& __x);
|
|
|
|
iterator
|
|
_M_insert_lower_node(_Base_ptr __p, _Link_type __z);
|
|
|
|
iterator
|
|
_M_insert_equal_lower_node(_Link_type __z);
|
|
#else
|
|
template<typename _NodeGen>
|
|
iterator
|
|
_M_insert_(_Base_ptr __x, _Base_ptr __y,
|
|
const value_type& __v, _NodeGen&);
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 233. Insertion hints in associative containers.
|
|
iterator
|
|
_M_insert_lower(_Base_ptr __y, const value_type& __v);
|
|
|
|
iterator
|
|
_M_insert_equal_lower(const value_type& __x);
|
|
#endif
|
|
|
|
template<typename _NodeGen>
|
|
_Link_type
|
|
_M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen&);
|
|
|
|
_Link_type
|
|
_M_copy(_Const_Link_type __x, _Link_type __p)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _M_copy(__x, __p, __an);
|
|
}
|
|
|
|
void
|
|
_M_erase(_Link_type __x);
|
|
|
|
iterator
|
|
_M_lower_bound(_Link_type __x, _Link_type __y,
|
|
const _Key& __k);
|
|
|
|
const_iterator
|
|
_M_lower_bound(_Const_Link_type __x, _Const_Link_type __y,
|
|
const _Key& __k) const;
|
|
|
|
iterator
|
|
_M_upper_bound(_Link_type __x, _Link_type __y,
|
|
const _Key& __k);
|
|
|
|
const_iterator
|
|
_M_upper_bound(_Const_Link_type __x, _Const_Link_type __y,
|
|
const _Key& __k) const;
|
|
|
|
public:
|
|
// allocation/deallocation
|
|
_Rb_tree() { }
|
|
|
|
_Rb_tree(const _Compare& __comp,
|
|
const allocator_type& __a = allocator_type())
|
|
: _M_impl(__comp, _Node_allocator(__a)) { }
|
|
|
|
_Rb_tree(const _Rb_tree& __x)
|
|
: _M_impl(__x._M_impl._M_key_compare,
|
|
_Alloc_traits::_S_select_on_copy(__x._M_get_Node_allocator()))
|
|
{
|
|
if (__x._M_root() != 0)
|
|
{
|
|
_M_root() = _M_copy(__x._M_begin(), _M_end());
|
|
_M_leftmost() = _S_minimum(_M_root());
|
|
_M_rightmost() = _S_maximum(_M_root());
|
|
_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
}
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
_Rb_tree(const allocator_type& __a)
|
|
: _M_impl(_Compare(), _Node_allocator(__a))
|
|
{ }
|
|
|
|
_Rb_tree(const _Rb_tree& __x, const allocator_type& __a)
|
|
: _M_impl(__x._M_impl._M_key_compare, _Node_allocator(__a))
|
|
{
|
|
if (__x._M_root() != nullptr)
|
|
{
|
|
_M_root() = _M_copy(__x._M_begin(), _M_end());
|
|
_M_leftmost() = _S_minimum(_M_root());
|
|
_M_rightmost() = _S_maximum(_M_root());
|
|
_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
}
|
|
}
|
|
|
|
_Rb_tree(_Rb_tree&& __x)
|
|
: _M_impl(__x._M_impl._M_key_compare, __x._M_get_Node_allocator())
|
|
{
|
|
if (__x._M_root() != 0)
|
|
_M_move_data(__x, std::true_type());
|
|
}
|
|
|
|
_Rb_tree(_Rb_tree&& __x, const allocator_type& __a)
|
|
: _Rb_tree(std::move(__x), _Node_allocator(__a))
|
|
{ }
|
|
|
|
_Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a);
|
|
#endif
|
|
|
|
~_Rb_tree() _GLIBCXX_NOEXCEPT
|
|
{ _M_erase(_M_begin()); }
|
|
|
|
_Rb_tree&
|
|
operator=(const _Rb_tree& __x);
|
|
|
|
// Accessors.
|
|
_Compare
|
|
key_comp() const
|
|
{ return _M_impl._M_key_compare; }
|
|
|
|
iterator
|
|
begin() _GLIBCXX_NOEXCEPT
|
|
{
|
|
return iterator(static_cast<_Link_type>
|
|
(this->_M_impl._M_header._M_left));
|
|
}
|
|
|
|
const_iterator
|
|
begin() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
return const_iterator(static_cast<_Const_Link_type>
|
|
(this->_M_impl._M_header._M_left));
|
|
}
|
|
|
|
iterator
|
|
end() _GLIBCXX_NOEXCEPT
|
|
{ return iterator(static_cast<_Link_type>(&this->_M_impl._M_header)); }
|
|
|
|
const_iterator
|
|
end() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
return const_iterator(static_cast<_Const_Link_type>
|
|
(&this->_M_impl._M_header));
|
|
}
|
|
|
|
reverse_iterator
|
|
rbegin() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(end()); }
|
|
|
|
const_reverse_iterator
|
|
rbegin() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
reverse_iterator
|
|
rend() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(begin()); }
|
|
|
|
const_reverse_iterator
|
|
rend() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(begin()); }
|
|
|
|
bool
|
|
empty() const _GLIBCXX_NOEXCEPT
|
|
{ return _M_impl._M_node_count == 0; }
|
|
|
|
size_type
|
|
size() const _GLIBCXX_NOEXCEPT
|
|
{ return _M_impl._M_node_count; }
|
|
|
|
size_type
|
|
max_size() const _GLIBCXX_NOEXCEPT
|
|
{ return _Alloc_traits::max_size(_M_get_Node_allocator()); }
|
|
|
|
void
|
|
#if __cplusplus >= 201103L
|
|
swap(_Rb_tree& __t) noexcept(_Alloc_traits::_S_nothrow_swap());
|
|
#else
|
|
swap(_Rb_tree& __t);
|
|
#endif
|
|
|
|
// Insert/erase.
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg>
|
|
pair<iterator, bool>
|
|
_M_insert_unique(_Arg&& __x);
|
|
|
|
template<typename _Arg>
|
|
iterator
|
|
_M_insert_equal(_Arg&& __x);
|
|
|
|
template<typename _Arg, typename _NodeGen>
|
|
iterator
|
|
_M_insert_unique_(const_iterator __pos, _Arg&& __x, _NodeGen&);
|
|
|
|
template<typename _Arg>
|
|
iterator
|
|
_M_insert_unique_(const_iterator __pos, _Arg&& __x)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _M_insert_unique_(__pos, std::forward<_Arg>(__x), __an);
|
|
}
|
|
|
|
template<typename _Arg, typename _NodeGen>
|
|
iterator
|
|
_M_insert_equal_(const_iterator __pos, _Arg&& __x, _NodeGen&);
|
|
|
|
template<typename _Arg>
|
|
iterator
|
|
_M_insert_equal_(const_iterator __pos, _Arg&& __x)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _M_insert_equal_(__pos, std::forward<_Arg>(__x), __an);
|
|
}
|
|
|
|
template<typename... _Args>
|
|
pair<iterator, bool>
|
|
_M_emplace_unique(_Args&&... __args);
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
_M_emplace_equal(_Args&&... __args);
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
_M_emplace_hint_unique(const_iterator __pos, _Args&&... __args);
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
_M_emplace_hint_equal(const_iterator __pos, _Args&&... __args);
|
|
#else
|
|
pair<iterator, bool>
|
|
_M_insert_unique(const value_type& __x);
|
|
|
|
iterator
|
|
_M_insert_equal(const value_type& __x);
|
|
|
|
template<typename _NodeGen>
|
|
iterator
|
|
_M_insert_unique_(const_iterator __pos, const value_type& __x,
|
|
_NodeGen&);
|
|
|
|
iterator
|
|
_M_insert_unique_(const_iterator __pos, const value_type& __x)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _M_insert_unique_(__pos, __x, __an);
|
|
}
|
|
|
|
template<typename _NodeGen>
|
|
iterator
|
|
_M_insert_equal_(const_iterator __pos, const value_type& __x,
|
|
_NodeGen&);
|
|
iterator
|
|
_M_insert_equal_(const_iterator __pos, const value_type& __x)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _M_insert_equal_(__pos, __x, __an);
|
|
}
|
|
#endif
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_insert_unique(_InputIterator __first, _InputIterator __last);
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_insert_equal(_InputIterator __first, _InputIterator __last);
|
|
|
|
private:
|
|
void
|
|
_M_erase_aux(const_iterator __position);
|
|
|
|
void
|
|
_M_erase_aux(const_iterator __first, const_iterator __last);
|
|
|
|
public:
|
|
#if __cplusplus >= 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// DR 130. Associative erase should return an iterator.
|
|
_GLIBCXX_ABI_TAG_CXX11
|
|
iterator
|
|
erase(const_iterator __position)
|
|
{
|
|
const_iterator __result = __position;
|
|
++__result;
|
|
_M_erase_aux(__position);
|
|
return __result._M_const_cast();
|
|
}
|
|
|
|
// LWG 2059.
|
|
_GLIBCXX_ABI_TAG_CXX11
|
|
iterator
|
|
erase(iterator __position)
|
|
{
|
|
iterator __result = __position;
|
|
++__result;
|
|
_M_erase_aux(__position);
|
|
return __result;
|
|
}
|
|
#else
|
|
void
|
|
erase(iterator __position)
|
|
{ _M_erase_aux(__position); }
|
|
|
|
void
|
|
erase(const_iterator __position)
|
|
{ _M_erase_aux(__position); }
|
|
#endif
|
|
size_type
|
|
erase(const key_type& __x);
|
|
|
|
#if __cplusplus >= 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// DR 130. Associative erase should return an iterator.
|
|
_GLIBCXX_ABI_TAG_CXX11
|
|
iterator
|
|
erase(const_iterator __first, const_iterator __last)
|
|
{
|
|
_M_erase_aux(__first, __last);
|
|
return __last._M_const_cast();
|
|
}
|
|
#else
|
|
void
|
|
erase(iterator __first, iterator __last)
|
|
{ _M_erase_aux(__first, __last); }
|
|
|
|
void
|
|
erase(const_iterator __first, const_iterator __last)
|
|
{ _M_erase_aux(__first, __last); }
|
|
#endif
|
|
void
|
|
erase(const key_type* __first, const key_type* __last);
|
|
|
|
void
|
|
clear() _GLIBCXX_NOEXCEPT
|
|
{
|
|
_M_erase(_M_begin());
|
|
_M_impl._M_reset();
|
|
}
|
|
|
|
// Set operations.
|
|
iterator
|
|
find(const key_type& __k);
|
|
|
|
const_iterator
|
|
find(const key_type& __k) const;
|
|
|
|
size_type
|
|
count(const key_type& __k) const;
|
|
|
|
iterator
|
|
lower_bound(const key_type& __k)
|
|
{ return _M_lower_bound(_M_begin(), _M_end(), __k); }
|
|
|
|
const_iterator
|
|
lower_bound(const key_type& __k) const
|
|
{ return _M_lower_bound(_M_begin(), _M_end(), __k); }
|
|
|
|
iterator
|
|
upper_bound(const key_type& __k)
|
|
{ return _M_upper_bound(_M_begin(), _M_end(), __k); }
|
|
|
|
const_iterator
|
|
upper_bound(const key_type& __k) const
|
|
{ return _M_upper_bound(_M_begin(), _M_end(), __k); }
|
|
|
|
pair<iterator, iterator>
|
|
equal_range(const key_type& __k);
|
|
|
|
pair<const_iterator, const_iterator>
|
|
equal_range(const key_type& __k) const;
|
|
|
|
#if __cplusplus > 201103L
|
|
template<typename _Cmp, typename _Kt, typename = __void_t<>>
|
|
struct __is_transparent { };
|
|
|
|
template<typename _Cmp, typename _Kt>
|
|
struct
|
|
__is_transparent<_Cmp, _Kt, __void_t<typename _Cmp::is_transparent>>
|
|
{ typedef void type; };
|
|
|
|
static auto _S_iter(_Link_type __x) { return iterator(__x); }
|
|
|
|
static auto _S_iter(_Const_Link_type __x) { return const_iterator(__x); }
|
|
|
|
template<typename _Cmp, typename _Link, typename _Kt>
|
|
static auto
|
|
_S_lower_bound_tr(_Cmp& __cmp, _Link __x, _Link __y, const _Kt& __k)
|
|
{
|
|
while (__x != 0)
|
|
if (!__cmp(_S_key(__x), __k))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return _S_iter(__y);
|
|
}
|
|
|
|
template<typename _Cmp, typename _Link, typename _Kt>
|
|
static auto
|
|
_S_upper_bound_tr(_Cmp& __cmp, _Link __x, _Link __y, const _Kt& __k)
|
|
{
|
|
while (__x != 0)
|
|
if (__cmp(__k, _S_key(__x)))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return _S_iter(__y);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
iterator
|
|
_M_find_tr(const _Kt& __k)
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
auto __j = _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
return (__j == end() || __cmp(__k, _S_key(__j._M_node)))
|
|
? end() : __j;
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
const_iterator
|
|
_M_find_tr(const _Kt& __k) const
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
auto __j = _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
return (__j == end() || __cmp(__k, _S_key(__j._M_node)))
|
|
? end() : __j;
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
size_type
|
|
_M_count_tr(const _Kt& __k) const
|
|
{
|
|
auto __p = _M_equal_range_tr(__k);
|
|
return std::distance(__p.first, __p.second);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
iterator
|
|
_M_lower_bound_tr(const _Kt& __k)
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
return _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
const_iterator
|
|
_M_lower_bound_tr(const _Kt& __k) const
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
return _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
iterator
|
|
_M_upper_bound_tr(const _Kt& __k)
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
return _S_upper_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
const_iterator
|
|
_M_upper_bound_tr(const _Kt& __k) const
|
|
{
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
return _S_upper_bound_tr(__cmp, _M_begin(), _M_end(), __k);
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
pair<iterator, iterator>
|
|
_M_equal_range_tr(const _Kt& __k)
|
|
{
|
|
auto __low = _M_lower_bound_tr(__k);
|
|
auto __high = __low;
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
while (__high != end() && !__cmp(__k, _S_key(__high._M_node)))
|
|
++__high;
|
|
return { __low, __high };
|
|
}
|
|
|
|
template<typename _Kt,
|
|
typename _Req = typename __is_transparent<_Compare, _Kt>::type>
|
|
pair<const_iterator, const_iterator>
|
|
_M_equal_range_tr(const _Kt& __k) const
|
|
{
|
|
auto __low = _M_lower_bound_tr(__k);
|
|
auto __high = __low;
|
|
auto& __cmp = _M_impl._M_key_compare;
|
|
while (__high != end() && !__cmp(__k, _S_key(__high._M_node)))
|
|
++__high;
|
|
return { __low, __high };
|
|
}
|
|
#endif
|
|
|
|
// Debugging.
|
|
bool
|
|
__rb_verify() const;
|
|
|
|
#if __cplusplus >= 201103L
|
|
_Rb_tree&
|
|
operator=(_Rb_tree&&) noexcept(_Alloc_traits::_S_nothrow_move());
|
|
|
|
template<typename _Iterator>
|
|
void
|
|
_M_assign_unique(_Iterator, _Iterator);
|
|
|
|
template<typename _Iterator>
|
|
void
|
|
_M_assign_equal(_Iterator, _Iterator);
|
|
|
|
private:
|
|
// Move elements from container with equal allocator.
|
|
void
|
|
_M_move_data(_Rb_tree&, std::true_type);
|
|
|
|
// Move elements from container with possibly non-equal allocator,
|
|
// which might result in a copy not a move.
|
|
void
|
|
_M_move_data(_Rb_tree&, std::false_type);
|
|
#endif
|
|
};
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator==(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{
|
|
return __x.size() == __y.size()
|
|
&& std::equal(__x.begin(), __x.end(), __y.begin());
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{
|
|
return std::lexicographical_compare(__x.begin(), __x.end(),
|
|
__y.begin(), __y.end());
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator!=(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator>(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{ return __y < __x; }
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator<=(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{ return !(__y < __x); }
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline bool
|
|
operator>=(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{ return !(__x < __y); }
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
inline void
|
|
swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
|
|
{ __x.swap(__y); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a)
|
|
: _M_impl(__x._M_impl._M_key_compare, std::move(__a))
|
|
{
|
|
using __eq = integral_constant<bool, _Alloc_traits::_S_always_equal()>;
|
|
if (__x._M_root() != nullptr)
|
|
_M_move_data(__x, __eq());
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_move_data(_Rb_tree& __x, std::true_type)
|
|
{
|
|
_M_root() = __x._M_root();
|
|
_M_leftmost() = __x._M_leftmost();
|
|
_M_rightmost() = __x._M_rightmost();
|
|
_M_root()->_M_parent = _M_end();
|
|
|
|
__x._M_root() = 0;
|
|
__x._M_leftmost() = __x._M_end();
|
|
__x._M_rightmost() = __x._M_end();
|
|
|
|
this->_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
__x._M_impl._M_node_count = 0;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_move_data(_Rb_tree& __x, std::false_type)
|
|
{
|
|
if (_M_get_Node_allocator() == __x._M_get_Node_allocator())
|
|
_M_move_data(__x, std::true_type());
|
|
else
|
|
{
|
|
_Alloc_node __an(*this);
|
|
auto __lbd =
|
|
[&__an](const value_type& __cval)
|
|
{
|
|
auto& __val = const_cast<value_type&>(__cval);
|
|
return __an(std::move_if_noexcept(__val));
|
|
};
|
|
_M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
|
|
_M_leftmost() = _S_minimum(_M_root());
|
|
_M_rightmost() = _S_maximum(_M_root());
|
|
_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
operator=(_Rb_tree&& __x)
|
|
noexcept(_Alloc_traits::_S_nothrow_move())
|
|
{
|
|
_M_impl._M_key_compare = __x._M_impl._M_key_compare;
|
|
if (_Alloc_traits::_S_propagate_on_move_assign()
|
|
|| _Alloc_traits::_S_always_equal()
|
|
|| _M_get_Node_allocator() == __x._M_get_Node_allocator())
|
|
{
|
|
clear();
|
|
if (__x._M_root() != nullptr)
|
|
_M_move_data(__x, std::true_type());
|
|
std::__alloc_on_move(_M_get_Node_allocator(),
|
|
__x._M_get_Node_allocator());
|
|
return *this;
|
|
}
|
|
|
|
// Try to move each node reusing existing nodes and copying __x nodes
|
|
// structure.
|
|
_Reuse_or_alloc_node __roan(*this);
|
|
_M_impl._M_reset();
|
|
if (__x._M_root() != nullptr)
|
|
{
|
|
auto __lbd =
|
|
[&__roan](const value_type& __cval)
|
|
{
|
|
auto& __val = const_cast<value_type&>(__cval);
|
|
return __roan(std::move_if_noexcept(__val));
|
|
};
|
|
_M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
|
|
_M_leftmost() = _S_minimum(_M_root());
|
|
_M_rightmost() = _S_maximum(_M_root());
|
|
_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
__x.clear();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename _Iterator>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_assign_unique(_Iterator __first, _Iterator __last)
|
|
{
|
|
_Reuse_or_alloc_node __roan(*this);
|
|
_M_impl._M_reset();
|
|
for (; __first != __last; ++__first)
|
|
_M_insert_unique_(end(), *__first, __roan);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename _Iterator>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_assign_equal(_Iterator __first, _Iterator __last)
|
|
{
|
|
_Reuse_or_alloc_node __roan(*this);
|
|
_M_impl._M_reset();
|
|
for (; __first != __last; ++__first)
|
|
_M_insert_equal_(end(), *__first, __roan);
|
|
}
|
|
#endif
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
operator=(const _Rb_tree& __x)
|
|
{
|
|
if (this != &__x)
|
|
{
|
|
// Note that _Key may be a constant type.
|
|
#if __cplusplus >= 201103L
|
|
if (_Alloc_traits::_S_propagate_on_copy_assign())
|
|
{
|
|
auto& __this_alloc = this->_M_get_Node_allocator();
|
|
auto& __that_alloc = __x._M_get_Node_allocator();
|
|
if (!_Alloc_traits::_S_always_equal()
|
|
&& __this_alloc != __that_alloc)
|
|
{
|
|
// Replacement allocator cannot free existing storage, we need
|
|
// to erase nodes first.
|
|
clear();
|
|
std::__alloc_on_copy(__this_alloc, __that_alloc);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
_Reuse_or_alloc_node __roan(*this);
|
|
_M_impl._M_reset();
|
|
_M_impl._M_key_compare = __x._M_impl._M_key_compare;
|
|
if (__x._M_root() != 0)
|
|
{
|
|
_M_root() = _M_copy(__x._M_begin(), _M_end(), __roan);
|
|
_M_leftmost() = _S_minimum(_M_root());
|
|
_M_rightmost() = _S_maximum(_M_root());
|
|
_M_impl._M_node_count = __x._M_impl._M_node_count;
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg, typename _NodeGen>
|
|
#else
|
|
template<typename _NodeGen>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_(_Base_ptr __x, _Base_ptr __p,
|
|
#if __cplusplus >= 201103L
|
|
_Arg&& __v,
|
|
#else
|
|
const _Val& __v,
|
|
#endif
|
|
_NodeGen& __node_gen)
|
|
{
|
|
bool __insert_left = (__x != 0 || __p == _M_end()
|
|
|| _M_impl._M_key_compare(_KeyOfValue()(__v),
|
|
_S_key(__p)));
|
|
|
|
_Link_type __z = __node_gen(_GLIBCXX_FORWARD(_Arg, __v));
|
|
|
|
_Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
|
|
this->_M_impl._M_header);
|
|
++_M_impl._M_node_count;
|
|
return iterator(__z);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
#if __cplusplus >= 201103L
|
|
_M_insert_lower(_Base_ptr __p, _Arg&& __v)
|
|
#else
|
|
_M_insert_lower(_Base_ptr __p, const _Val& __v)
|
|
#endif
|
|
{
|
|
bool __insert_left = (__p == _M_end()
|
|
|| !_M_impl._M_key_compare(_S_key(__p),
|
|
_KeyOfValue()(__v)));
|
|
|
|
_Link_type __z = _M_create_node(_GLIBCXX_FORWARD(_Arg, __v));
|
|
|
|
_Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
|
|
this->_M_impl._M_header);
|
|
++_M_impl._M_node_count;
|
|
return iterator(__z);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
#if __cplusplus >= 201103L
|
|
_M_insert_equal_lower(_Arg&& __v)
|
|
#else
|
|
_M_insert_equal_lower(const _Val& __v)
|
|
#endif
|
|
{
|
|
_Link_type __x = _M_begin();
|
|
_Link_type __y = _M_end();
|
|
while (__x != 0)
|
|
{
|
|
__y = __x;
|
|
__x = !_M_impl._M_key_compare(_S_key(__x), _KeyOfValue()(__v)) ?
|
|
_S_left(__x) : _S_right(__x);
|
|
}
|
|
return _M_insert_lower(__y, _GLIBCXX_FORWARD(_Arg, __v));
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KoV,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename _NodeGen>
|
|
typename _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::_Link_type
|
|
_Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::
|
|
_M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen& __node_gen)
|
|
{
|
|
// Structural copy. __x and __p must be non-null.
|
|
_Link_type __top = _M_clone_node(__x, __node_gen);
|
|
__top->_M_parent = __p;
|
|
|
|
__try
|
|
{
|
|
if (__x->_M_right)
|
|
__top->_M_right = _M_copy(_S_right(__x), __top, __node_gen);
|
|
__p = __top;
|
|
__x = _S_left(__x);
|
|
|
|
while (__x != 0)
|
|
{
|
|
_Link_type __y = _M_clone_node(__x, __node_gen);
|
|
__p->_M_left = __y;
|
|
__y->_M_parent = __p;
|
|
if (__x->_M_right)
|
|
__y->_M_right = _M_copy(_S_right(__x), __y, __node_gen);
|
|
__p = __y;
|
|
__x = _S_left(__x);
|
|
}
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_erase(__top);
|
|
__throw_exception_again;
|
|
}
|
|
return __top;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_erase(_Link_type __x)
|
|
{
|
|
// Erase without rebalancing.
|
|
while (__x != 0)
|
|
{
|
|
_M_erase(_S_right(__x));
|
|
_Link_type __y = _S_left(__x);
|
|
_M_drop_node(__x);
|
|
__x = __y;
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_lower_bound(_Link_type __x, _Link_type __y,
|
|
const _Key& __k)
|
|
{
|
|
while (__x != 0)
|
|
if (!_M_impl._M_key_compare(_S_key(__x), __k))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return iterator(__y);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::const_iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_lower_bound(_Const_Link_type __x, _Const_Link_type __y,
|
|
const _Key& __k) const
|
|
{
|
|
while (__x != 0)
|
|
if (!_M_impl._M_key_compare(_S_key(__x), __k))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return const_iterator(__y);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_upper_bound(_Link_type __x, _Link_type __y,
|
|
const _Key& __k)
|
|
{
|
|
while (__x != 0)
|
|
if (_M_impl._M_key_compare(__k, _S_key(__x)))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return iterator(__y);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::const_iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_upper_bound(_Const_Link_type __x, _Const_Link_type __y,
|
|
const _Key& __k) const
|
|
{
|
|
while (__x != 0)
|
|
if (_M_impl._M_key_compare(__k, _S_key(__x)))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
__x = _S_right(__x);
|
|
return const_iterator(__y);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
equal_range(const _Key& __k)
|
|
{
|
|
_Link_type __x = _M_begin();
|
|
_Link_type __y = _M_end();
|
|
while (__x != 0)
|
|
{
|
|
if (_M_impl._M_key_compare(_S_key(__x), __k))
|
|
__x = _S_right(__x);
|
|
else if (_M_impl._M_key_compare(__k, _S_key(__x)))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
{
|
|
_Link_type __xu(__x), __yu(__y);
|
|
__y = __x, __x = _S_left(__x);
|
|
__xu = _S_right(__xu);
|
|
return pair<iterator,
|
|
iterator>(_M_lower_bound(__x, __y, __k),
|
|
_M_upper_bound(__xu, __yu, __k));
|
|
}
|
|
}
|
|
return pair<iterator, iterator>(iterator(__y),
|
|
iterator(__y));
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::const_iterator,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::const_iterator>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
equal_range(const _Key& __k) const
|
|
{
|
|
_Const_Link_type __x = _M_begin();
|
|
_Const_Link_type __y = _M_end();
|
|
while (__x != 0)
|
|
{
|
|
if (_M_impl._M_key_compare(_S_key(__x), __k))
|
|
__x = _S_right(__x);
|
|
else if (_M_impl._M_key_compare(__k, _S_key(__x)))
|
|
__y = __x, __x = _S_left(__x);
|
|
else
|
|
{
|
|
_Const_Link_type __xu(__x), __yu(__y);
|
|
__y = __x, __x = _S_left(__x);
|
|
__xu = _S_right(__xu);
|
|
return pair<const_iterator,
|
|
const_iterator>(_M_lower_bound(__x, __y, __k),
|
|
_M_upper_bound(__xu, __yu, __k));
|
|
}
|
|
}
|
|
return pair<const_iterator, const_iterator>(const_iterator(__y),
|
|
const_iterator(__y));
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __t)
|
|
#if __cplusplus >= 201103L
|
|
noexcept(_Alloc_traits::_S_nothrow_swap())
|
|
#endif
|
|
{
|
|
if (_M_root() == 0)
|
|
{
|
|
if (__t._M_root() != 0)
|
|
{
|
|
_M_root() = __t._M_root();
|
|
_M_leftmost() = __t._M_leftmost();
|
|
_M_rightmost() = __t._M_rightmost();
|
|
_M_root()->_M_parent = _M_end();
|
|
_M_impl._M_node_count = __t._M_impl._M_node_count;
|
|
|
|
__t._M_impl._M_reset();
|
|
}
|
|
}
|
|
else if (__t._M_root() == 0)
|
|
{
|
|
__t._M_root() = _M_root();
|
|
__t._M_leftmost() = _M_leftmost();
|
|
__t._M_rightmost() = _M_rightmost();
|
|
__t._M_root()->_M_parent = __t._M_end();
|
|
__t._M_impl._M_node_count = _M_impl._M_node_count;
|
|
|
|
_M_impl._M_reset();
|
|
}
|
|
else
|
|
{
|
|
std::swap(_M_root(),__t._M_root());
|
|
std::swap(_M_leftmost(),__t._M_leftmost());
|
|
std::swap(_M_rightmost(),__t._M_rightmost());
|
|
|
|
_M_root()->_M_parent = _M_end();
|
|
__t._M_root()->_M_parent = __t._M_end();
|
|
std::swap(this->_M_impl._M_node_count, __t._M_impl._M_node_count);
|
|
}
|
|
// No need to swap header's color as it does not change.
|
|
std::swap(this->_M_impl._M_key_compare, __t._M_impl._M_key_compare);
|
|
|
|
_Alloc_traits::_S_on_swap(_M_get_Node_allocator(),
|
|
__t._M_get_Node_allocator());
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_get_insert_unique_pos(const key_type& __k)
|
|
{
|
|
typedef pair<_Base_ptr, _Base_ptr> _Res;
|
|
_Link_type __x = _M_begin();
|
|
_Link_type __y = _M_end();
|
|
bool __comp = true;
|
|
while (__x != 0)
|
|
{
|
|
__y = __x;
|
|
__comp = _M_impl._M_key_compare(__k, _S_key(__x));
|
|
__x = __comp ? _S_left(__x) : _S_right(__x);
|
|
}
|
|
iterator __j = iterator(__y);
|
|
if (__comp)
|
|
{
|
|
if (__j == begin())
|
|
return _Res(__x, __y);
|
|
else
|
|
--__j;
|
|
}
|
|
if (_M_impl._M_key_compare(_S_key(__j._M_node), __k))
|
|
return _Res(__x, __y);
|
|
return _Res(__j._M_node, 0);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_get_insert_equal_pos(const key_type& __k)
|
|
{
|
|
typedef pair<_Base_ptr, _Base_ptr> _Res;
|
|
_Link_type __x = _M_begin();
|
|
_Link_type __y = _M_end();
|
|
while (__x != 0)
|
|
{
|
|
__y = __x;
|
|
__x = _M_impl._M_key_compare(__k, _S_key(__x)) ?
|
|
_S_left(__x) : _S_right(__x);
|
|
}
|
|
return _Res(__x, __y);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg>
|
|
#endif
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator, bool>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
#if __cplusplus >= 201103L
|
|
_M_insert_unique(_Arg&& __v)
|
|
#else
|
|
_M_insert_unique(const _Val& __v)
|
|
#endif
|
|
{
|
|
typedef pair<iterator, bool> _Res;
|
|
pair<_Base_ptr, _Base_ptr> __res
|
|
= _M_get_insert_unique_pos(_KeyOfValue()(__v));
|
|
|
|
if (__res.second)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
return _Res(_M_insert_(__res.first, __res.second,
|
|
_GLIBCXX_FORWARD(_Arg, __v), __an),
|
|
true);
|
|
}
|
|
|
|
return _Res(iterator(static_cast<_Link_type>(__res.first)), false);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
#if __cplusplus >= 201103L
|
|
_M_insert_equal(_Arg&& __v)
|
|
#else
|
|
_M_insert_equal(const _Val& __v)
|
|
#endif
|
|
{
|
|
pair<_Base_ptr, _Base_ptr> __res
|
|
= _M_get_insert_equal_pos(_KeyOfValue()(__v));
|
|
_Alloc_node __an(*this);
|
|
return _M_insert_(__res.first, __res.second,
|
|
_GLIBCXX_FORWARD(_Arg, __v), __an);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_get_insert_hint_unique_pos(const_iterator __position,
|
|
const key_type& __k)
|
|
{
|
|
iterator __pos = __position._M_const_cast();
|
|
typedef pair<_Base_ptr, _Base_ptr> _Res;
|
|
|
|
// end()
|
|
if (__pos._M_node == _M_end())
|
|
{
|
|
if (size() > 0
|
|
&& _M_impl._M_key_compare(_S_key(_M_rightmost()), __k))
|
|
return _Res(0, _M_rightmost());
|
|
else
|
|
return _M_get_insert_unique_pos(__k);
|
|
}
|
|
else if (_M_impl._M_key_compare(__k, _S_key(__pos._M_node)))
|
|
{
|
|
// First, try before...
|
|
iterator __before = __pos;
|
|
if (__pos._M_node == _M_leftmost()) // begin()
|
|
return _Res(_M_leftmost(), _M_leftmost());
|
|
else if (_M_impl._M_key_compare(_S_key((--__before)._M_node), __k))
|
|
{
|
|
if (_S_right(__before._M_node) == 0)
|
|
return _Res(0, __before._M_node);
|
|
else
|
|
return _Res(__pos._M_node, __pos._M_node);
|
|
}
|
|
else
|
|
return _M_get_insert_unique_pos(__k);
|
|
}
|
|
else if (_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
|
|
{
|
|
// ... then try after.
|
|
iterator __after = __pos;
|
|
if (__pos._M_node == _M_rightmost())
|
|
return _Res(0, _M_rightmost());
|
|
else if (_M_impl._M_key_compare(__k, _S_key((++__after)._M_node)))
|
|
{
|
|
if (_S_right(__pos._M_node) == 0)
|
|
return _Res(0, __pos._M_node);
|
|
else
|
|
return _Res(__after._M_node, __after._M_node);
|
|
}
|
|
else
|
|
return _M_get_insert_unique_pos(__k);
|
|
}
|
|
else
|
|
// Equivalent keys.
|
|
return _Res(__pos._M_node, 0);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg, typename _NodeGen>
|
|
#else
|
|
template<typename _NodeGen>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_unique_(const_iterator __position,
|
|
#if __cplusplus >= 201103L
|
|
_Arg&& __v,
|
|
#else
|
|
const _Val& __v,
|
|
#endif
|
|
_NodeGen& __node_gen)
|
|
{
|
|
pair<_Base_ptr, _Base_ptr> __res
|
|
= _M_get_insert_hint_unique_pos(__position, _KeyOfValue()(__v));
|
|
|
|
if (__res.second)
|
|
return _M_insert_(__res.first, __res.second,
|
|
_GLIBCXX_FORWARD(_Arg, __v),
|
|
__node_gen);
|
|
return iterator(static_cast<_Link_type>(__res.first));
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr,
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::_Base_ptr>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_get_insert_hint_equal_pos(const_iterator __position, const key_type& __k)
|
|
{
|
|
iterator __pos = __position._M_const_cast();
|
|
typedef pair<_Base_ptr, _Base_ptr> _Res;
|
|
|
|
// end()
|
|
if (__pos._M_node == _M_end())
|
|
{
|
|
if (size() > 0
|
|
&& !_M_impl._M_key_compare(__k, _S_key(_M_rightmost())))
|
|
return _Res(0, _M_rightmost());
|
|
else
|
|
return _M_get_insert_equal_pos(__k);
|
|
}
|
|
else if (!_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
|
|
{
|
|
// First, try before...
|
|
iterator __before = __pos;
|
|
if (__pos._M_node == _M_leftmost()) // begin()
|
|
return _Res(_M_leftmost(), _M_leftmost());
|
|
else if (!_M_impl._M_key_compare(__k, _S_key((--__before)._M_node)))
|
|
{
|
|
if (_S_right(__before._M_node) == 0)
|
|
return _Res(0, __before._M_node);
|
|
else
|
|
return _Res(__pos._M_node, __pos._M_node);
|
|
}
|
|
else
|
|
return _M_get_insert_equal_pos(__k);
|
|
}
|
|
else
|
|
{
|
|
// ... then try after.
|
|
iterator __after = __pos;
|
|
if (__pos._M_node == _M_rightmost())
|
|
return _Res(0, _M_rightmost());
|
|
else if (!_M_impl._M_key_compare(_S_key((++__after)._M_node), __k))
|
|
{
|
|
if (_S_right(__pos._M_node) == 0)
|
|
return _Res(0, __pos._M_node);
|
|
else
|
|
return _Res(__after._M_node, __after._M_node);
|
|
}
|
|
else
|
|
return _Res(0, 0);
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Arg, typename _NodeGen>
|
|
#else
|
|
template<typename _NodeGen>
|
|
#endif
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_equal_(const_iterator __position,
|
|
#if __cplusplus >= 201103L
|
|
_Arg&& __v,
|
|
#else
|
|
const _Val& __v,
|
|
#endif
|
|
_NodeGen& __node_gen)
|
|
{
|
|
pair<_Base_ptr, _Base_ptr> __res
|
|
= _M_get_insert_hint_equal_pos(__position, _KeyOfValue()(__v));
|
|
|
|
if (__res.second)
|
|
return _M_insert_(__res.first, __res.second,
|
|
_GLIBCXX_FORWARD(_Arg, __v),
|
|
__node_gen);
|
|
|
|
return _M_insert_equal_lower(_GLIBCXX_FORWARD(_Arg, __v));
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_node(_Base_ptr __x, _Base_ptr __p, _Link_type __z)
|
|
{
|
|
bool __insert_left = (__x != 0 || __p == _M_end()
|
|
|| _M_impl._M_key_compare(_S_key(__z),
|
|
_S_key(__p)));
|
|
|
|
_Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
|
|
this->_M_impl._M_header);
|
|
++_M_impl._M_node_count;
|
|
return iterator(__z);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_lower_node(_Base_ptr __p, _Link_type __z)
|
|
{
|
|
bool __insert_left = (__p == _M_end()
|
|
|| !_M_impl._M_key_compare(_S_key(__p),
|
|
_S_key(__z)));
|
|
|
|
_Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
|
|
this->_M_impl._M_header);
|
|
++_M_impl._M_node_count;
|
|
return iterator(__z);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_insert_equal_lower_node(_Link_type __z)
|
|
{
|
|
_Link_type __x = _M_begin();
|
|
_Link_type __y = _M_end();
|
|
while (__x != 0)
|
|
{
|
|
__y = __x;
|
|
__x = !_M_impl._M_key_compare(_S_key(__x), _S_key(__z)) ?
|
|
_S_left(__x) : _S_right(__x);
|
|
}
|
|
return _M_insert_lower_node(__y, __z);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename... _Args>
|
|
pair<typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator, bool>
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_emplace_unique(_Args&&... __args)
|
|
{
|
|
_Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
|
|
|
|
__try
|
|
{
|
|
typedef pair<iterator, bool> _Res;
|
|
auto __res = _M_get_insert_unique_pos(_S_key(__z));
|
|
if (__res.second)
|
|
return _Res(_M_insert_node(__res.first, __res.second, __z), true);
|
|
|
|
_M_drop_node(__z);
|
|
return _Res(iterator(static_cast<_Link_type>(__res.first)), false);
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_drop_node(__z);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename... _Args>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_emplace_equal(_Args&&... __args)
|
|
{
|
|
_Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
|
|
|
|
__try
|
|
{
|
|
auto __res = _M_get_insert_equal_pos(_S_key(__z));
|
|
return _M_insert_node(__res.first, __res.second, __z);
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_drop_node(__z);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename... _Args>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_emplace_hint_unique(const_iterator __pos, _Args&&... __args)
|
|
{
|
|
_Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
|
|
|
|
__try
|
|
{
|
|
auto __res = _M_get_insert_hint_unique_pos(__pos, _S_key(__z));
|
|
|
|
if (__res.second)
|
|
return _M_insert_node(__res.first, __res.second, __z);
|
|
|
|
_M_drop_node(__z);
|
|
return iterator(static_cast<_Link_type>(__res.first));
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_drop_node(__z);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
template<typename... _Args>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_emplace_hint_equal(const_iterator __pos, _Args&&... __args)
|
|
{
|
|
_Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
|
|
|
|
__try
|
|
{
|
|
auto __res = _M_get_insert_hint_equal_pos(__pos, _S_key(__z));
|
|
|
|
if (__res.second)
|
|
return _M_insert_node(__res.first, __res.second, __z);
|
|
|
|
return _M_insert_equal_lower_node(__z);
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_drop_node(__z);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
template<typename _Key, typename _Val, typename _KoV,
|
|
typename _Cmp, typename _Alloc>
|
|
template<class _II>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
|
|
_M_insert_unique(_II __first, _II __last)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
for (; __first != __last; ++__first)
|
|
_M_insert_unique_(end(), *__first, __an);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KoV,
|
|
typename _Cmp, typename _Alloc>
|
|
template<class _II>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
|
|
_M_insert_equal(_II __first, _II __last)
|
|
{
|
|
_Alloc_node __an(*this);
|
|
for (; __first != __last; ++__first)
|
|
_M_insert_equal_(end(), *__first, __an);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_erase_aux(const_iterator __position)
|
|
{
|
|
_Link_type __y =
|
|
static_cast<_Link_type>(_Rb_tree_rebalance_for_erase
|
|
(const_cast<_Base_ptr>(__position._M_node),
|
|
this->_M_impl._M_header));
|
|
_M_drop_node(__y);
|
|
--_M_impl._M_node_count;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
_M_erase_aux(const_iterator __first, const_iterator __last)
|
|
{
|
|
if (__first == begin() && __last == end())
|
|
clear();
|
|
else
|
|
while (__first != __last)
|
|
erase(__first++);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
erase(const _Key& __x)
|
|
{
|
|
pair<iterator, iterator> __p = equal_range(__x);
|
|
const size_type __old_size = size();
|
|
erase(__p.first, __p.second);
|
|
return __old_size - size();
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
void
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
erase(const _Key* __first, const _Key* __last)
|
|
{
|
|
while (__first != __last)
|
|
erase(*__first++);
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
find(const _Key& __k)
|
|
{
|
|
iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
|
|
return (__j == end()
|
|
|| _M_impl._M_key_compare(__k,
|
|
_S_key(__j._M_node))) ? end() : __j;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue,
|
|
_Compare, _Alloc>::const_iterator
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
find(const _Key& __k) const
|
|
{
|
|
const_iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
|
|
return (__j == end()
|
|
|| _M_impl._M_key_compare(__k,
|
|
_S_key(__j._M_node))) ? end() : __j;
|
|
}
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
|
|
_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
|
|
count(const _Key& __k) const
|
|
{
|
|
pair<const_iterator, const_iterator> __p = equal_range(__k);
|
|
const size_type __n = std::distance(__p.first, __p.second);
|
|
return __n;
|
|
}
|
|
|
|
_GLIBCXX_PURE unsigned int
|
|
_Rb_tree_black_count(const _Rb_tree_node_base* __node,
|
|
const _Rb_tree_node_base* __root) throw ();
|
|
|
|
template<typename _Key, typename _Val, typename _KeyOfValue,
|
|
typename _Compare, typename _Alloc>
|
|
bool
|
|
_Rb_tree<_Key,_Val,_KeyOfValue,_Compare,_Alloc>::__rb_verify() const
|
|
{
|
|
if (_M_impl._M_node_count == 0 || begin() == end())
|
|
return _M_impl._M_node_count == 0 && begin() == end()
|
|
&& this->_M_impl._M_header._M_left == _M_end()
|
|
&& this->_M_impl._M_header._M_right == _M_end();
|
|
|
|
unsigned int __len = _Rb_tree_black_count(_M_leftmost(), _M_root());
|
|
for (const_iterator __it = begin(); __it != end(); ++__it)
|
|
{
|
|
_Const_Link_type __x = static_cast<_Const_Link_type>(__it._M_node);
|
|
_Const_Link_type __L = _S_left(__x);
|
|
_Const_Link_type __R = _S_right(__x);
|
|
|
|
if (__x->_M_color == _S_red)
|
|
if ((__L && __L->_M_color == _S_red)
|
|
|| (__R && __R->_M_color == _S_red))
|
|
return false;
|
|
|
|
if (__L && _M_impl._M_key_compare(_S_key(__x), _S_key(__L)))
|
|
return false;
|
|
if (__R && _M_impl._M_key_compare(_S_key(__R), _S_key(__x)))
|
|
return false;
|
|
|
|
if (!__L && !__R && _Rb_tree_black_count(__x, _M_root()) != __len)
|
|
return false;
|
|
}
|
|
|
|
if (_M_leftmost() != _Rb_tree_node_base::_S_minimum(_M_root()))
|
|
return false;
|
|
if (_M_rightmost() != _Rb_tree_node_base::_S_maximum(_M_root()))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace
|
|
|
|
#endif
|