1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
// -*- C++ -*-
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the terms
// of the GNU General Public License as published by the Free Software
// Foundation; either version 3, or (at your option) any later
// version.
// This library is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file constructors_destructor_fn_imps.hpp
* Contains an implementation class for bin_search_tree_.
*/
PB_DS_CLASS_T_DEC
typename PB_DS_CLASS_C_DEC::node_allocator
PB_DS_CLASS_C_DEC::s_node_allocator;
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
PB_DS_CLASS_NAME() : m_p_head(s_node_allocator.allocate(1)), m_size(0)
{
initialize();
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
PB_DS_CLASS_NAME(const Cmp_Fn& r_cmp_fn) :
Cmp_Fn(r_cmp_fn), m_p_head(s_node_allocator.allocate(1)), m_size(0)
{
initialize();
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
PB_DS_CLASS_NAME(const Cmp_Fn& r_cmp_fn, const node_update& r_node_update) :
Cmp_Fn(r_cmp_fn),
node_update(r_node_update),
m_p_head(s_node_allocator.allocate(1)),
m_size(0)
{
initialize();
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
PB_DS_CLASS_NAME(const PB_DS_CLASS_C_DEC& other) :
#ifdef _GLIBCXX_DEBUG
debug_base(other),
#endif
#ifdef PB_DS_TREE_TRACE
PB_DS_TREE_TRACE_BASE_C_DEC(other),
#endif
Cmp_Fn(other),
node_update(other),
m_p_head(s_node_allocator.allocate(1)),
m_size(0)
{
initialize();
m_size = other.m_size;
_GLIBCXX_DEBUG_ONLY(other.structure_only_assert_valid();)
__try
{
m_p_head->m_p_parent = recursive_copy_node(other.m_p_head->m_p_parent);
if (m_p_head->m_p_parent != NULL)
m_p_head->m_p_parent->m_p_parent = m_p_head;
m_size = other.m_size;
initialize_min_max();
}
__catch(...)
{
_GLIBCXX_DEBUG_ONLY(debug_base::clear();)
s_node_allocator.deallocate(m_p_head, 1);
__throw_exception_again;
}
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
swap(PB_DS_CLASS_C_DEC& other)
{
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
_GLIBCXX_DEBUG_ONLY(other.structure_only_assert_valid();)
value_swap(other);
std::swap((Cmp_Fn& )(*this), (Cmp_Fn& )other);
_GLIBCXX_DEBUG_ONLY(structure_only_assert_valid();)
_GLIBCXX_DEBUG_ONLY(other.structure_only_assert_valid();)
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
value_swap(PB_DS_CLASS_C_DEC& other)
{
_GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
std::swap(m_p_head, other.m_p_head);
std::swap(m_size, other.m_size);
}
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
~PB_DS_CLASS_NAME()
{
clear();
s_node_allocator.deallocate(m_p_head, 1);
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
initialize()
{
m_p_head->m_p_parent = NULL;
m_p_head->m_p_left = m_p_head;
m_p_head->m_p_right = m_p_head;
m_size = 0;
}
PB_DS_CLASS_T_DEC
typename PB_DS_CLASS_C_DEC::node_pointer
PB_DS_CLASS_C_DEC::
recursive_copy_node(const node_pointer p_nd)
{
if (p_nd == NULL)
return (NULL);
node_pointer p_ret = s_node_allocator.allocate(1);
__try
{
new (p_ret) node(*p_nd);
}
__catch(...)
{
s_node_allocator.deallocate(p_ret, 1);
__throw_exception_again;
}
p_ret->m_p_left = p_ret->m_p_right = NULL;
__try
{
p_ret->m_p_left = recursive_copy_node(p_nd->m_p_left);
p_ret->m_p_right = recursive_copy_node(p_nd->m_p_right);
}
__catch(...)
{
clear_imp(p_ret);
__throw_exception_again;
}
if (p_ret->m_p_left != NULL)
p_ret->m_p_left->m_p_parent = p_ret;
if (p_ret->m_p_right != NULL)
p_ret->m_p_right->m_p_parent = p_ret;
_GLIBCXX_DEBUG_ONLY(assert_node_consistent(p_ret);)
return p_ret;
}
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
initialize_min_max()
{
if (m_p_head->m_p_parent == NULL)
{
m_p_head->m_p_left = m_p_head->m_p_right = m_p_head;
return;
}
{
node_pointer p_min = m_p_head->m_p_parent;
while (p_min->m_p_left != NULL)
p_min = p_min->m_p_left;
m_p_head->m_p_left = p_min;
}
{
node_pointer p_max = m_p_head->m_p_parent;
while (p_max->m_p_right != NULL)
p_max = p_max->m_p_right;
m_p_head->m_p_right = p_max;
}
}
|
