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

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2022 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 rb_tree_map_/debug_fn_imps.hpp
  38  * Contains an implementation for rb_tree_.
  39  */
  40
  41 #ifdef PB_DS_CLASS_C_DEC
  42
  43 #ifdef _GLIBCXX_DEBUG
  44
  45 PB_DS_CLASS_T_DEC
  46 typename PB_DS_CLASS_C_DEC::size_type
  47 PB_DS_CLASS_C_DEC::
  48 assert_node_consistent(const node_pointer p_nd, const char* __file,
  49                                                 int __line) const
  50 {
  51   if (p_nd == 0)
  52     return 1;
  53
  54   const size_type l_height =
  55     assert_node_consistent(p_nd->m_p_left, __file, __line);
  56   const size_type r_height =
  57     assert_node_consistent(p_nd->m_p_right, __file, __line);
  58   if (p_nd->m_red)
  59     {
  60       PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_left));
  61       PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_right));
  62     }
  63   PB_DS_DEBUG_VERIFY(l_height == r_height);
  64   return (p_nd->m_red ? 0 : 1) + l_height;
  65 }
  66
  67 PB_DS_CLASS_T_DEC
  68 void
  69 PB_DS_CLASS_C_DEC::
  70 assert_valid(const char* __file, int __line) const
  71 {
  72   base_type::assert_valid(__file, __line);
  73   const node_pointer p_head = base_type::m_p_head;
  74   PB_DS_DEBUG_VERIFY(p_head->m_red);
  75   if (p_head->m_p_parent != 0)
  76     {
  77       PB_DS_DEBUG_VERIFY(!p_head->m_p_parent->m_red);
  78       assert_node_consistent(p_head->m_p_parent, __file, __line);
  79     }
  80 }
  81
  82 #endif
  83
  84 #endif