1// -*- C++ -*-
2
3// Copyright (C) 2005, 2006 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 2, 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// You should have received a copy of the GNU General Public License
17// along with this library; see the file COPYING.  If not, write to
18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19// MA 02111-1307, USA.
20
21// As a special exception, you may use this file as part of a free
22// software library without restriction.  Specifically, if other files
23// instantiate templates or use macros or inline functions from this
24// file, or you compile this file and link it with other files to
25// produce an executable, this file does not by itself cause the
26// resulting executable to be covered by the GNU General Public
27// License.  This exception does not however invalidate any other
28// reasons why the executable file might be covered by the GNU General
29// Public License.
30
31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32
33// Permission to use, copy, modify, sell, and distribute this software
34// is hereby granted without fee, provided that the above copyright
35// notice appears in all copies, and that both that copyright notice
36// and this permission notice appear in supporting documentation. None
37// of the above authors, nor IBM Haifa Research Laboratories, make any
38// representation about the suitability of this software for any
39// purpose. It is provided "as is" without express or implied
40// warranty.
41
42/**
43 * @file debug_fn_imps.hpp
44 * Contains an implementation for thin_heap_.
45 */
46
47#ifdef _GLIBCXX_DEBUG
48
49PB_DS_CLASS_T_DEC
50void
51PB_DS_CLASS_C_DEC::
52assert_valid() const
53{
54  base_type::assert_valid();
55  assert_node_consistent(base_type::m_p_root, true);
56  assert_max();
57  assert_aux_null();
58}
59
60PB_DS_CLASS_T_DEC
61void
62PB_DS_CLASS_C_DEC::
63assert_aux_null() const
64{
65  for (size_type i = 0; i < max_rank; ++i)
66    _GLIBCXX_DEBUG_ASSERT(m_a_aux[i] == NULL);
67}
68
69PB_DS_CLASS_T_DEC
70void
71PB_DS_CLASS_C_DEC::
72assert_max() const
73{
74  if (m_p_max == NULL)
75    {
76      _GLIBCXX_DEBUG_ASSERT(base_type::empty());
77      return;
78    }
79
80  _GLIBCXX_DEBUG_ASSERT(!base_type::empty());
81  _GLIBCXX_DEBUG_ASSERT(base_type::parent(m_p_max) == NULL);
82  _GLIBCXX_DEBUG_ASSERT(m_p_max->m_p_prev_or_parent == NULL);
83  for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
84    _GLIBCXX_DEBUG_ASSERT(!Cmp_Fn::operator()(m_p_max->m_value, it.m_p_nd->m_value));
85}
86
87PB_DS_CLASS_T_DEC
88void
89PB_DS_CLASS_C_DEC::
90assert_node_consistent(const_node_pointer p_nd, bool root) const
91{
92  base_type::assert_node_consistent(p_nd, root);
93  if (p_nd == NULL)
94    return;
95
96  assert_node_consistent(p_nd->m_p_next_sibling, root);
97  assert_node_consistent(p_nd->m_p_l_child, false);
98  if (!root)
99    {
100      if (p_nd->m_metadata == 0)
101	_GLIBCXX_DEBUG_ASSERT(p_nd->m_p_next_sibling == NULL);
102      else
103	_GLIBCXX_DEBUG_ASSERT(p_nd->m_metadata == p_nd->m_p_next_sibling->m_metadata + 1);
104    }
105
106  if (p_nd->m_p_l_child != NULL)
107    _GLIBCXX_DEBUG_ASSERT(p_nd->m_p_l_child->m_metadata + 1 == base_type::degree(p_nd));
108
109  const bool unmarked_valid =(p_nd->m_p_l_child == NULL&&  p_nd->m_metadata == 0) ||(p_nd->m_p_l_child != NULL&&  p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 1);
110
111  const bool marked_valid =(p_nd->m_p_l_child == NULL&&  p_nd->m_metadata == 1) ||(p_nd->m_p_l_child != NULL&&  p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 2);
112
113  _GLIBCXX_DEBUG_ASSERT(unmarked_valid || marked_valid);
114  if (root)
115    _GLIBCXX_DEBUG_ASSERT(unmarked_valid);
116}
117
118#endif
119