debug_fn_imps.hpp revision 1.1 
1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006, 2009 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 debug_fn_imps.hpp
38 * Contains an implementation for rc_binomial_heap_.
39 */
40
41#ifdef _GLIBCXX_DEBUG
42
43PB_DS_CLASS_T_DEC
44void
45PB_DS_CLASS_C_DEC::
46assert_valid() const
47{
48  base_type::assert_valid(false);
49  if (!base_type::empty())
50    {
51      _GLIBCXX_DEBUG_ASSERT(base_type::m_p_max != NULL);
52      base_type::assert_max();
53    }
54
55  m_rc.assert_valid();
56
57  if (m_rc.empty())
58    {
59      base_type::assert_valid(true);
60      _GLIBCXX_DEBUG_ASSERT(next_2_pointer(base_type::m_p_root) == NULL);
61      return;
62    }
63
64  const_node_pointer p_nd = next_2_pointer(base_type::m_p_root);
65  typename rc_t::const_iterator it = m_rc.end();
66  --it;
67
68  while (p_nd != NULL)
69    {
70      _GLIBCXX_DEBUG_ASSERT(*it == p_nd);
71      const_node_pointer p_next = p_nd->m_p_next_sibling;
72      _GLIBCXX_DEBUG_ASSERT(p_next != NULL);
73      _GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == p_next->m_metadata);
74      _GLIBCXX_DEBUG_ASSERT(p_next->m_p_next_sibling == NULL ||
75		       p_next->m_metadata < p_next->m_p_next_sibling->m_metadata);
76
77      --it;
78      p_nd = next_2_pointer(next_after_0_pointer(p_nd));
79    }
80  _GLIBCXX_DEBUG_ASSERT(it + 1 == m_rc.begin());
81}
82
83PB_DS_CLASS_T_DEC
84typename PB_DS_CLASS_C_DEC::const_node_pointer
85PB_DS_CLASS_C_DEC::
86next_2_pointer(const_node_pointer p_nd)
87{
88  if (p_nd == NULL)
89    return NULL;
90
91  node_pointer p_next = p_nd->m_p_next_sibling;
92
93  if (p_next == NULL)
94    return NULL;
95
96  if (p_nd->m_metadata == p_next->m_metadata)
97    return p_nd;
98
99  return next_2_pointer(p_next);
100}
101
102PB_DS_CLASS_T_DEC
103typename PB_DS_CLASS_C_DEC::const_node_pointer
104PB_DS_CLASS_C_DEC::
105next_after_0_pointer(const_node_pointer p_nd)
106{
107  if (p_nd == NULL)
108    return NULL;
109
110  node_pointer p_next = p_nd->m_p_next_sibling;
111
112  if (p_next == NULL)
113    return NULL;
114
115  if (p_nd->m_metadata < p_next->m_metadata)
116    return p_next;
117
118  return next_after_0_pointer(p_next);
119}
120
121#endif
122