3 // Copyright (C) 2005-2021 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
27 // Permission to use, copy, modify, sell, and distribute this software
28 // is hereby granted without fee, provided that the above copyright
29 // notice appears in all copies, and that both that copyright notice
30 // and this permission notice appear in supporting documentation. None
31 // of the above authors, nor IBM Haifa Research Laboratories, make any
32 // representation about the suitability of this software for any
33 // purpose. It is provided "as is" without express or implied
37 * @file ov_tree_map_/erase_fn_imps.hpp
38 * Contains an implementation class for ov_tree_.
41 #ifdef PB_DS_CLASS_C_DEC
48 PB_DS_ASSERT_VALID((*this))
55 reallocate_metadata((node_update* )this, 0);
56 cond_dtor<size_type> cd(m_a_values, m_end_it, m_size);
59 _GLIBCXX_DEBUG_ONLY(debug_base::clear();)
62 m_end_it = m_a_values;
63 PB_DS_ASSERT_VALID((*this))
67 template<typename Pred>
68 inline typename PB_DS_CLASS_C_DEC::size_type
72 PB_DS_ASSERT_VALID((*this))
74 #ifdef PB_DS_REGRESSION
75 typename _Alloc::group_adjustor adjust(m_size);
78 size_type new_size = 0;
79 size_type num_val_ersd = 0;
81 for (iterator source_it = begin(); source_it != m_end_it; ++source_it)
82 if (!pred(*source_it))
93 value_vector a_new_values = s_value_alloc.allocate(new_size);
94 iterator target_it = a_new_values;
95 cond_dtor<size_type> cd(a_new_values, target_it, new_size);
96 _GLIBCXX_DEBUG_ONLY(debug_base::clear());
97 for (iterator source_it = begin(); source_it != m_end_it; ++source_it)
99 if (!pred(*source_it))
101 new (const_cast<void*>(static_cast<const void*>(target_it)))
102 value_type(*source_it);
104 _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(*source_it)));
109 reallocate_metadata((node_update*)this, new_size);
113 cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size);
116 m_a_values = a_new_values;
118 m_end_it = target_it;
119 update(node_begin(), (node_update*)this);
120 PB_DS_ASSERT_VALID((*this))
125 template<typename It>
130 PB_DS_ASSERT_VALID((*this))
134 PB_DS_CHECK_KEY_EXISTS(PB_DS_V2F(*it))
136 #ifdef PB_DS_REGRESSION
137 typename _Alloc::group_adjustor adjust(m_size);
140 _GLIBCXX_DEBUG_ASSERT(m_size > 0);
141 value_vector a_values = s_value_alloc.allocate(m_size - 1);
142 iterator source_it = begin();
143 iterator source_end_it = end();
144 iterator target_it = a_values;
145 iterator ret_it = end();
147 cond_dtor<size_type> cd(a_values, target_it, m_size - 1);
149 _GLIBCXX_DEBUG_ONLY(size_type cnt = 0;)
151 while (source_it != source_end_it)
155 _GLIBCXX_DEBUG_ONLY(++cnt;)
156 _GLIBCXX_DEBUG_ASSERT(cnt != m_size);
157 new (const_cast<void*>(static_cast<const void*>(target_it)))
158 value_type(*source_it);
167 _GLIBCXX_DEBUG_ASSERT(m_size > 0);
168 reallocate_metadata((node_update*)this, m_size - 1);
170 _GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(*it));)
172 cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size);
175 m_a_values = a_values;
177 m_end_it = m_a_values + m_size;
178 update(node_begin(), (node_update*)this);
179 PB_DS_ASSERT_VALID((*this))
186 erase(key_const_reference r_key)
188 point_iterator it = find(r_key);