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 trace_fn_imps.hpp
44 * Contains an implementation class for pat_trie_.
45 */
46
47#ifdef PB_DS_PAT_TRIE_TRACE_
48
49PB_DS_CLASS_T_DEC
50void
51PB_DS_CLASS_C_DEC::
52trace() const
53{
54  std::cerr << std::endl;
55  if (m_p_head->m_p_parent == NULL)
56    return;
57  trace_node(m_p_head->m_p_parent, 0);
58  std::cerr << std::endl;
59}
60
61PB_DS_CLASS_T_DEC
62void
63PB_DS_CLASS_C_DEC::
64trace_node(const_node_pointer p_nd, size_type level)
65{
66  for (size_type i = 0; i < level; ++i)
67    std::cerr << ' ';
68  std::cerr << p_nd << " ";
69  std::cerr << ((p_nd->m_type == pat_trie_leaf_node_type) ? "l " : "i ");
70
71  trace_node_metadata(p_nd, type_to_type<typename node::metadata_type>());
72  typename e_access_traits::const_iterator el_it = pref_begin(p_nd);
73  while (el_it != pref_end(p_nd))
74    {
75      std::cerr <<* el_it;
76      ++el_it;
77    }
78
79  if (p_nd->m_type == pat_trie_leaf_node_type)
80    {
81      std::cerr << std::endl;
82      return;
83    }
84
85  const_internal_node_pointer p_internal =
86    static_cast<const_internal_node_pointer>(p_nd);
87
88  std::cerr << " " <<
89    static_cast<unsigned long>(p_internal->get_e_ind()) << std::endl;
90
91  const size_type num_children = std::distance(p_internal->begin(),
92					       p_internal->end());
93
94  for (size_type child_i = 0; child_i < num_children; ++child_i)
95    {
96      typename internal_node::const_iterator child_it =
97	p_internal->begin();
98      std::advance(child_it, num_children - child_i - 1);
99      trace_node(*child_it, level + 1);
100    }
101}
102
103PB_DS_CLASS_T_DEC
104template<typename Metadata_>
105void
106PB_DS_CLASS_C_DEC::
107trace_node_metadata(const_node_pointer p_nd, type_to_type<Metadata_>)
108{
109  std::cerr << "(" << static_cast<unsigned long>(p_nd->get_metadata()) << ") ";
110}
111
112PB_DS_CLASS_T_DEC
113void
114PB_DS_CLASS_C_DEC::
115trace_node_metadata(const_node_pointer, type_to_type<null_node_metadata>)
116{ }
117
118#endif
119
120