libstdc++
rb_tree_map_/debug_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2019 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
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34 // warranty.
35 
36 /**
37  * @file rb_tree_map_/debug_fn_imps.hpp
38  * Contains an implementation for rb_tree_.
39  */
40 
41 #ifdef _GLIBCXX_DEBUG
42 
43 PB_DS_CLASS_T_DEC
44 typename PB_DS_CLASS_C_DEC::size_type
45 PB_DS_CLASS_C_DEC::
46 assert_node_consistent(const node_pointer p_nd, const char* __file,
47  int __line) const
48 {
49  if (p_nd == 0)
50  return 1;
51 
52  const size_type l_height =
53  assert_node_consistent(p_nd->m_p_left, __file, __line);
54  const size_type r_height =
55  assert_node_consistent(p_nd->m_p_right, __file, __line);
56  if (p_nd->m_red)
57  {
58  PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_left));
59  PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_right));
60  }
61  PB_DS_DEBUG_VERIFY(l_height == r_height);
62  return (p_nd->m_red ? 0 : 1) + l_height;
63 }
64 
65 PB_DS_CLASS_T_DEC
66 void
67 PB_DS_CLASS_C_DEC::
68 assert_valid(const char* __file, int __line) const
69 {
70  base_type::assert_valid(__file, __line);
71  const node_pointer p_head = base_type::m_p_head;
72  PB_DS_DEBUG_VERIFY(p_head->m_red);
73  if (p_head->m_p_parent != 0)
74  {
75  PB_DS_DEBUG_VERIFY(!p_head->m_p_parent->m_red);
76  assert_node_consistent(p_head->m_p_parent, __file, __line);
77  }
78 }
79 
80 #endif
81