libstdc++
thin_heap_/debug_fn_imps.hpp
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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 thin_heap_/debug_fn_imps.hpp
38  * Contains an implementation for thin_heap_.
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  base_type::assert_valid(__file, __line);
51  assert_node_consistent(base_type::m_p_root, true, __file, __line);
52  assert_max(__file, __line);
53  assert_aux_null(__file, __line);
54 }
55 
56 PB_DS_CLASS_T_DEC
57 void
58 PB_DS_CLASS_C_DEC::
59 assert_aux_null(const char* __file, int __line) const
60 {
61  for (size_type i = 0; i < max_rank; ++i)
62  PB_DS_DEBUG_VERIFY(m_a_aux[i] == 0);
63 }
64 
65 PB_DS_CLASS_T_DEC
66 void
67 PB_DS_CLASS_C_DEC::
68 assert_max(const char* __file, int __line) const
69 {
70  if (m_p_max == 0)
71  {
72  PB_DS_DEBUG_VERIFY(base_type::empty());
73  return;
74  }
75 
76  PB_DS_DEBUG_VERIFY(!base_type::empty());
77  PB_DS_DEBUG_VERIFY(base_type::parent(m_p_max) == 0);
78  PB_DS_DEBUG_VERIFY(m_p_max->m_p_prev_or_parent == 0);
79  for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
80  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(m_p_max->m_value, it.m_p_nd->m_value));
81 }
82 
83 PB_DS_CLASS_T_DEC
84 void
85 PB_DS_CLASS_C_DEC::
86 assert_node_consistent(node_const_pointer p_nd, bool root,
87  const char* __file, int __line) const
88 {
89  base_type::assert_node_consistent(p_nd, root, __file, __line);
90  if (p_nd == 0)
91  return;
92 
93  assert_node_consistent(p_nd->m_p_next_sibling, root, __file, __line);
94  assert_node_consistent(p_nd->m_p_l_child, false, __file, __line);
95  if (!root)
96  {
97  if (p_nd->m_metadata == 0)
98  PB_DS_DEBUG_VERIFY(p_nd->m_p_next_sibling == 0);
99  else
100  PB_DS_DEBUG_VERIFY(p_nd->m_metadata == p_nd->m_p_next_sibling->m_metadata + 1);
101  }
102 
103  if (p_nd->m_p_l_child != 0)
104  PB_DS_DEBUG_VERIFY(p_nd->m_p_l_child->m_metadata + 1 == base_type::degree(p_nd));
105 
106  const bool unmarked_valid =
107  (p_nd->m_p_l_child == 0 && p_nd->m_metadata == 0)
108  || (p_nd->m_p_l_child != 0
109  && p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 1);
110 
111  const bool marked_valid =
112  (p_nd->m_p_l_child == 0 && p_nd->m_metadata == 1)
113  || (p_nd->m_p_l_child != 0
114  && p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 2);
115 
116  PB_DS_DEBUG_VERIFY(unmarked_valid || marked_valid);
117  if (root)
118  PB_DS_DEBUG_VERIFY(unmarked_valid);
119 }
120 
121 #endif
122 #endif