libstdc++
rb_tree_map_/debug_fn_imps.hpp
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00001 // -*- C++ -*-
00002 
00003 // Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the terms
00007 // of the GNU General Public License as published by the Free Software
00008 // Foundation; either version 3, or (at your option) any later
00009 // version.
00010 
00011 // This library is distributed in the hope that it will be useful, but
00012 // WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 // General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
00026 
00027 // Permission to use, copy, modify, sell, and distribute this software
00028 // is hereby granted without fee, provided that the above copyright
00029 // notice appears in all copies, and that both that copyright notice
00030 // and this permission notice appear in supporting documentation. None
00031 // of the above authors, nor IBM Haifa Research Laboratories, make any
00032 // representation about the suitability of this software for any
00033 // purpose. It is provided "as is" without express or implied
00034 // warranty.
00035 
00036 /**
00037  * @file rb_tree_map_/debug_fn_imps.hpp
00038  * Contains an implementation for rb_tree_.
00039  */
00040 
00041 #ifdef _GLIBCXX_DEBUG
00042 
00043 PB_DS_CLASS_T_DEC
00044 typename PB_DS_CLASS_C_DEC::size_type
00045 PB_DS_CLASS_C_DEC::
00046 assert_node_consistent(const node_pointer p_nd, const char* __file,
00047                         int __line) const
00048 {
00049   if (p_nd == 0)
00050     return 1;
00051 
00052   const size_type l_height =
00053     assert_node_consistent(p_nd->m_p_left, __file, __line);
00054   const size_type r_height =
00055     assert_node_consistent(p_nd->m_p_right, __file, __line);
00056   if (p_nd->m_red)
00057     {
00058       PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_left));
00059       PB_DS_DEBUG_VERIFY(is_effectively_black(p_nd->m_p_right));
00060     }
00061   PB_DS_DEBUG_VERIFY(l_height == r_height);
00062   return (p_nd->m_red ? 0 : 1) + l_height;
00063 }
00064 
00065 PB_DS_CLASS_T_DEC
00066 void
00067 PB_DS_CLASS_C_DEC::
00068 assert_valid(const char* __file, int __line) const
00069 {
00070   base_type::assert_valid(__file, __line);
00071   const node_pointer p_head = base_type::m_p_head;
00072   PB_DS_DEBUG_VERIFY(p_head->m_red);
00073   if (p_head->m_p_parent != 0)
00074     {
00075       PB_DS_DEBUG_VERIFY(!p_head->m_p_parent->m_red);
00076       assert_node_consistent(p_head->m_p_parent, __file, __line);
00077     }
00078 }
00079 
00080 #endif 
00081