libstdc++
bin_search_tree_/debug_fn_imps.hpp
Go to the documentation of this file.
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2022 Free Software Foundation, Inc.
4 //
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
9 // version.
10 
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.
15 
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.
19 
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/>.
24 
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
26 
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
34 // warranty.
35 
36 /**
37  * @file bin_search_tree_/debug_fn_imps.hpp
38  * Contains an implementation class for bin_search_tree_.
39  */
40 
41 #ifdef PB_DS_CLASS_C_DEC
42 
43 #ifdef _GLIBCXX_DEBUG
44 
45 PB_DS_CLASS_T_DEC
46 void
47 PB_DS_CLASS_C_DEC::
48 assert_valid(const char* __file, int __line) const
49 {
50  structure_only_assert_valid(__file, __line);
51  assert_consistent_with_debug_base(__file, __line);
52  assert_size(__file, __line);
53  assert_iterators(__file, __line);
54  if (m_p_head->m_p_parent == 0)
55  {
56  PB_DS_DEBUG_VERIFY(m_size == 0);
57  }
58  else
59  {
60  PB_DS_DEBUG_VERIFY(m_size > 0);
61  }
62 }
63 
64 PB_DS_CLASS_T_DEC
65 void
66 PB_DS_CLASS_C_DEC::
67 structure_only_assert_valid(const char* __file, int __line) const
68 {
69  PB_DS_DEBUG_VERIFY(m_p_head != 0);
70  if (m_p_head->m_p_parent == 0)
71  {
72  PB_DS_DEBUG_VERIFY(m_p_head->m_p_left == m_p_head);
73  PB_DS_DEBUG_VERIFY(m_p_head->m_p_right == m_p_head);
74  }
75  else
76  {
77  PB_DS_DEBUG_VERIFY(m_p_head->m_p_parent->m_p_parent == m_p_head);
78  PB_DS_DEBUG_VERIFY(m_p_head->m_p_left != m_p_head);
79  PB_DS_DEBUG_VERIFY(m_p_head->m_p_right != m_p_head);
80  }
81 
82  if (m_p_head->m_p_parent != 0)
83  assert_node_consistent(m_p_head->m_p_parent, __file, __line);
84  assert_min(__file, __line);
85  assert_max(__file, __line);
86 }
87 
88 PB_DS_CLASS_T_DEC
89 void
90 PB_DS_CLASS_C_DEC::
91 assert_node_consistent(const node_pointer p_nd,
92  const char* __file, int __line) const
93 {
94  assert_node_consistent_(p_nd, __file, __line);
95 }
96 
97 PB_DS_CLASS_T_DEC
98 typename PB_DS_CLASS_C_DEC::node_consistent_t
99 PB_DS_CLASS_C_DEC::
100 assert_node_consistent_(const node_pointer p_nd,
101  const char* __file, int __line) const
102 {
103  if (p_nd == 0)
104  return (std::make_pair((const_pointer)0,(const_pointer)0));
105 
106  assert_node_consistent_with_left(p_nd, __file, __line);
107  assert_node_consistent_with_right(p_nd, __file, __line);
108 
110  l_range = assert_node_consistent_(p_nd->m_p_left, __file, __line);
111 
112  if (l_range.second != 0)
113  PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(*l_range.second),
114  PB_DS_V2F(p_nd->m_value)));
115 
117  r_range = assert_node_consistent_(p_nd->m_p_right, __file, __line);
118 
119  if (r_range.first != 0)
120  PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value),
121  PB_DS_V2F(*r_range.first)));
122 
123  return std::make_pair((l_range.first != 0) ? l_range.first : &p_nd->m_value,
124  (r_range.second != 0)? r_range.second : &p_nd->m_value);
125 }
126 
127 PB_DS_CLASS_T_DEC
128 void
129 PB_DS_CLASS_C_DEC::
130 assert_node_consistent_with_left(const node_pointer p_nd,
131  const char* __file, int __line) const
132 {
133  if (p_nd->m_p_left == 0)
134  return;
135  PB_DS_DEBUG_VERIFY(p_nd->m_p_left->m_p_parent == p_nd);
136  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_value),
137  PB_DS_V2F(p_nd->m_p_left->m_value)));
138 }
139 
140 PB_DS_CLASS_T_DEC
141 void
142 PB_DS_CLASS_C_DEC::
143 assert_node_consistent_with_right(const node_pointer p_nd,
144  const char* __file, int __line) const
145 {
146  if (p_nd->m_p_right == 0)
147  return;
148  PB_DS_DEBUG_VERIFY(p_nd->m_p_right->m_p_parent == p_nd);
149  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(p_nd->m_p_right->m_value),
150  PB_DS_V2F(p_nd->m_value)));
151 }
152 
153 PB_DS_CLASS_T_DEC
154 void
155 PB_DS_CLASS_C_DEC::
156 assert_min(const char* __file, int __line) const
157 {
158  assert_min_imp(m_p_head->m_p_parent, __file, __line);
159 }
160 
161 PB_DS_CLASS_T_DEC
162 void
163 PB_DS_CLASS_C_DEC::
164 assert_min_imp(const node_pointer p_nd, const char* __file, int __line) const
165 {
166  if (p_nd == 0)
167  {
168  PB_DS_DEBUG_VERIFY(m_p_head->m_p_left == m_p_head);
169  return;
170  }
171 
172  if (p_nd->m_p_left == 0)
173  {
174  PB_DS_DEBUG_VERIFY(p_nd == m_p_head->m_p_left);
175  return;
176  }
177  assert_min_imp(p_nd->m_p_left, __file, __line);
178 }
179 
180 PB_DS_CLASS_T_DEC
181 void
182 PB_DS_CLASS_C_DEC::
183 assert_max(const char* __file, int __line) const
184 {
185  assert_max_imp(m_p_head->m_p_parent, __file, __line);
186 }
187 
188 PB_DS_CLASS_T_DEC
189 void
190 PB_DS_CLASS_C_DEC::
191 assert_max_imp(const node_pointer p_nd,
192  const char* __file, int __line) const
193 {
194  if (p_nd == 0)
195  {
196  PB_DS_DEBUG_VERIFY(m_p_head->m_p_right == m_p_head);
197  return;
198  }
199 
200  if (p_nd->m_p_right == 0)
201  {
202  PB_DS_DEBUG_VERIFY(p_nd == m_p_head->m_p_right);
203  return;
204  }
205 
206  assert_max_imp(p_nd->m_p_right, __file, __line);
207 }
208 
209 PB_DS_CLASS_T_DEC
210 void
211 PB_DS_CLASS_C_DEC::
212 assert_iterators(const char* __file, int __line) const
213 {
214  size_type iterated_num = 0;
215  const_iterator prev_it = end();
216  for (const_iterator it = begin(); it != end(); ++it)
217  {
218  ++iterated_num;
219  PB_DS_DEBUG_VERIFY(lower_bound(PB_DS_V2F(*it)).m_p_nd == it.m_p_nd);
220  const_iterator upper_bound_it = upper_bound(PB_DS_V2F(*it));
221  --upper_bound_it;
222  PB_DS_DEBUG_VERIFY(upper_bound_it.m_p_nd == it.m_p_nd);
223 
224  if (prev_it != end())
225  PB_DS_DEBUG_VERIFY(Cmp_Fn::operator()(PB_DS_V2F(*prev_it),
226  PB_DS_V2F(*it)));
227  prev_it = it;
228  }
229 
230  PB_DS_DEBUG_VERIFY(iterated_num == m_size);
231  size_type reverse_iterated_num = 0;
232  const_reverse_iterator reverse_prev_it = rend();
233  for (const_reverse_iterator reverse_it = rbegin(); reverse_it != rend();
234  ++reverse_it)
235  {
236  ++reverse_iterated_num;
237  PB_DS_DEBUG_VERIFY(lower_bound(
238  PB_DS_V2F(*reverse_it)).m_p_nd == reverse_it.m_p_nd);
239 
240  const_iterator upper_bound_it = upper_bound(PB_DS_V2F(*reverse_it));
241  --upper_bound_it;
242  PB_DS_DEBUG_VERIFY(upper_bound_it.m_p_nd == reverse_it.m_p_nd);
243  if (reverse_prev_it != rend())
244  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(PB_DS_V2F(*reverse_prev_it),
245  PB_DS_V2F(*reverse_it)));
246  reverse_prev_it = reverse_it;
247  }
248  PB_DS_DEBUG_VERIFY(reverse_iterated_num == m_size);
249 }
250 
251 PB_DS_CLASS_T_DEC
252 void
253 PB_DS_CLASS_C_DEC::
254 assert_consistent_with_debug_base(const char* __file, int __line) const
255 {
256  debug_base::check_size(m_size, __file, __line);
257  assert_consistent_with_debug_base(m_p_head->m_p_parent, __file, __line);
258 }
259 
260 PB_DS_CLASS_T_DEC
261 void
262 PB_DS_CLASS_C_DEC::
263 assert_consistent_with_debug_base(const node_pointer p_nd,
264  const char* __file, int __line) const
265 {
266  if (p_nd == 0)
267  return;
268  debug_base::check_key_exists(PB_DS_V2F(p_nd->m_value), __file, __line);
269  assert_consistent_with_debug_base(p_nd->m_p_left, __file, __line);
270  assert_consistent_with_debug_base(p_nd->m_p_right, __file, __line);
271 }
272 
273 PB_DS_CLASS_T_DEC
274 void
275 PB_DS_CLASS_C_DEC::
276 assert_size(const char* __file, int __line) const
277 { PB_DS_DEBUG_VERIFY(recursive_count(m_p_head->m_p_parent) == m_size); }
278 
279 #endif
280 #endif
constexpr const _Tp * begin(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to the first element of the initializer_list.
constexpr const _Tp * end(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to one past the last element of the initializer_list.
Struct holding two objects of arbitrary type.
Definition: stl_pair.h:187
_T1 first
The first member.
Definition: stl_pair.h:191
_T2 second
The second member.
Definition: stl_pair.h:192