1 // -*- C++ -*- 2 3 // Copyright (C) 2005, 2006, 2009, 2010 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 debug_fn_imps.hpp 38 * Contains an implementation for rb_tree_. 39 */ 40 41 #ifdef _GLIBCXX_DEBUG 42 43 PB_DS_CLASS_T_DEC 44 typename PB_DS_CLASS_C_DEC::size_type 45 PB_DS_CLASS_C_DEC:: 46 assert_node_consistent(const node_pointer p_nd) const 47 { 48 if (p_nd == 0) 49 return 1; 50 51 const size_type l_height = assert_node_consistent(p_nd->m_p_left); 52 const size_type r_height = assert_node_consistent(p_nd->m_p_right); 53 if (p_nd->m_red) 54 { 55 _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_nd->m_p_left)); 56 _GLIBCXX_DEBUG_ASSERT(is_effectively_black(p_nd->m_p_right)); 57 } 58 _GLIBCXX_DEBUG_ASSERT(l_height == r_height); 59 return (p_nd->m_red ? 0 : 1) + l_height; 60 } 61 62 PB_DS_CLASS_T_DEC 63 void 64 PB_DS_CLASS_C_DEC:: 65 assert_valid() const 66 { 67 base_type::assert_valid(); 68 const node_pointer p_head = base_type::m_p_head; 69 _GLIBCXX_DEBUG_ASSERT(p_head->m_red); 70 if (p_head->m_p_parent != 0) 71 { 72 _GLIBCXX_DEBUG_ASSERT(!p_head->m_p_parent->m_red); 73 assert_node_consistent(p_head->m_p_parent); 74 } 75 } 76 77 #endif 78 79