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  1. // -*- C++ -*-
  2.  
  3. // Copyright (C) 2005-2013 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 pat_trie_/trace_fn_imps.hpp
  38.  * Contains an implementation class for pat_trie_.
  39.  */
  40.  
  41. #ifdef PB_DS_PAT_TRIE_TRACE_
  42.  
  43. PB_DS_CLASS_T_DEC
  44. void
  45. PB_DS_CLASS_C_DEC::
  46. trace() const
  47. {
  48.   std::cerr << std::endl;
  49.   if (m_p_head->m_p_parent == 0)
  50.     return;
  51.   trace_node(m_p_head->m_p_parent, 0);
  52.   std::cerr << std::endl;
  53. }
  54.  
  55. PB_DS_CLASS_T_DEC
  56. void
  57. PB_DS_CLASS_C_DEC::
  58. trace_node(node_const_pointer p_nd, size_type level)
  59. {
  60.   for (size_type i = 0; i < level; ++i)
  61.     std::cerr << ' ';
  62.   std::cerr << p_nd << " ";
  63.   std::cerr << ((p_nd->m_type == pat_trie_leaf_node_type) ? "l " : "i ");
  64.  
  65.   trace_node_metadata(p_nd, type_to_type<typename node::metadata_type>());
  66.   typename access_traits::const_iterator el_it = pref_begin(p_nd);
  67.   while (el_it != pref_end(p_nd))
  68.     {
  69.       std::cerr <<* el_it;
  70.       ++el_it;
  71.     }
  72.  
  73.   if (p_nd->m_type == pat_trie_leaf_node_type)
  74.     {
  75.       std::cerr << std::endl;
  76.       return;
  77.     }
  78.  
  79.   inode_const_pointer p_internal = static_cast<inode_const_pointer>(p_nd);
  80.  
  81.   std::cerr << " " <<
  82.     static_cast<unsigned long>(p_internal->get_e_ind()) << std::endl;
  83.  
  84.   const size_type num_children = std::distance(p_internal->begin(),
  85.                                                p_internal->end());
  86.  
  87.   for (size_type child_i = 0; child_i < num_children; ++child_i)
  88.     {
  89.       typename inode::const_iterator child_it = p_internal->begin();
  90.       std::advance(child_it, num_children - child_i - 1);
  91.       trace_node(*child_it, level + 1);
  92.     }
  93. }
  94.  
  95. PB_DS_CLASS_T_DEC
  96. template<typename Metadata_>
  97. void
  98. PB_DS_CLASS_C_DEC::
  99. trace_node_metadata(node_const_pointer p_nd, type_to_type<Metadata_>)
  100. {
  101.   std::cerr << "(" << static_cast<unsigned long>(p_nd->get_metadata()) << ") ";
  102. }
  103.  
  104. PB_DS_CLASS_T_DEC
  105. void
  106. PB_DS_CLASS_C_DEC::
  107. trace_node_metadata(node_const_pointer, type_to_type<null_type>)
  108. { }
  109.  
  110. #endif
  111.  
  112.