libstdc++
thin_heap_/debug_fn_imps.hpp
Go to the documentation of this file.
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2018 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 _GLIBCXX_DEBUG
42 
43 PB_DS_CLASS_T_DEC
44 void
45 PB_DS_CLASS_C_DEC::
46 assert_valid(const char* __file, int __line) const
47 {
48  base_type::assert_valid(__file, __line);
49  assert_node_consistent(base_type::m_p_root, true, __file, __line);
50  assert_max(__file, __line);
51  assert_aux_null(__file, __line);
52 }
53 
54 PB_DS_CLASS_T_DEC
55 void
56 PB_DS_CLASS_C_DEC::
57 assert_aux_null(const char* __file, int __line) const
58 {
59  for (size_type i = 0; i < max_rank; ++i)
60  PB_DS_DEBUG_VERIFY(m_a_aux[i] == 0);
61 }
62 
63 PB_DS_CLASS_T_DEC
64 void
65 PB_DS_CLASS_C_DEC::
66 assert_max(const char* __file, int __line) const
67 {
68  if (m_p_max == 0)
69  {
70  PB_DS_DEBUG_VERIFY(base_type::empty());
71  return;
72  }
73 
74  PB_DS_DEBUG_VERIFY(!base_type::empty());
75  PB_DS_DEBUG_VERIFY(base_type::parent(m_p_max) == 0);
76  PB_DS_DEBUG_VERIFY(m_p_max->m_p_prev_or_parent == 0);
77  for (const_iterator it = base_type::begin(); it != base_type::end(); ++it)
78  PB_DS_DEBUG_VERIFY(!Cmp_Fn::operator()(m_p_max->m_value, it.m_p_nd->m_value));
79 }
80 
81 PB_DS_CLASS_T_DEC
82 void
83 PB_DS_CLASS_C_DEC::
84 assert_node_consistent(node_const_pointer p_nd, bool root,
85  const char* __file, int __line) const
86 {
87  base_type::assert_node_consistent(p_nd, root, __file, __line);
88  if (p_nd == 0)
89  return;
90 
91  assert_node_consistent(p_nd->m_p_next_sibling, root, __file, __line);
92  assert_node_consistent(p_nd->m_p_l_child, false, __file, __line);
93  if (!root)
94  {
95  if (p_nd->m_metadata == 0)
96  PB_DS_DEBUG_VERIFY(p_nd->m_p_next_sibling == 0);
97  else
98  PB_DS_DEBUG_VERIFY(p_nd->m_metadata == p_nd->m_p_next_sibling->m_metadata + 1);
99  }
100 
101  if (p_nd->m_p_l_child != 0)
102  PB_DS_DEBUG_VERIFY(p_nd->m_p_l_child->m_metadata + 1 == base_type::degree(p_nd));
103 
104  const bool unmarked_valid =
105  (p_nd->m_p_l_child == 0 && p_nd->m_metadata == 0)
106  || (p_nd->m_p_l_child != 0
107  && p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 1);
108 
109  const bool marked_valid =
110  (p_nd->m_p_l_child == 0 && p_nd->m_metadata == 1)
111  || (p_nd->m_p_l_child != 0
112  && p_nd->m_metadata == p_nd->m_p_l_child->m_metadata + 2);
113 
114  PB_DS_DEBUG_VERIFY(unmarked_valid || marked_valid);
115  if (root)
116  PB_DS_DEBUG_VERIFY(unmarked_valid);
117 }
118 
119 #endif
constexpr const _Tp * end(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to one past the last element of the initializer_list.
constexpr const _Tp * begin(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to the first element of the initializer_list.