mingw/lib/gcc/mingw32/4.3.3/include/c++/ext/pb_ds/detail/rb_tree_map_/debug_fn_imps.hpp

   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 rb_tree_.
  45  */
  46
  47 #ifdef _GLIBCXX_DEBUG
  48
  49 PB_DS_CLASS_T_DEC
  50 typename PB_DS_CLASS_C_DEC::size_type
  51 PB_DS_CLASS_C_DEC::
  52 assert_node_consistent(const node_pointer p_nd) const
  53 {
  54   if (p_nd == NULL)
  55     return 1;
  56
  57   const size_type l_height = assert_node_consistent(p_nd->m_p_left);
  58   const size_type r_height = assert_node_consistent(p_nd->m_p_right);
  59   if (p_nd->m_red)
  60     {
  61       _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_nd->m_p_left));
  62       _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_nd->m_p_right));
  63     }
  64   _GLIBCXX_DEBUG_ASSERT(l_height == r_height);
  65   return (p_nd->m_red ? 0 : 1) + l_height;
  66 }
  67
  68 PB_DS_CLASS_T_DEC
  69 void
  70 PB_DS_CLASS_C_DEC::
  71 assert_valid() const
  72 {
  73   base_type::assert_valid();
  74   const node_pointer p_head = base_type::m_p_head;
  75   _GLIBCXX_DEBUG_ASSERT(p_head->m_red);
  76   if (p_head->m_p_parent != NULL)
  77     {
  78       _GLIBCXX_DEBUG_ASSERT(!p_head->m_p_parent->m_red);
  79       assert_node_consistent(p_head->m_p_parent);
  80     }
  81 }
  82
  83 #endif
  84