libstdc++-v3/include/ext/pb_ds/detail/thin_heap_/debug_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2020 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