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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2016 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