contrib/gcc-8.0/libstdc++-v3/include/ext/pb_ds/detail/pat_trie_/trace_fn_imps.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005-2018 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