libstdc++: trace_fn_imps.hpp Source File

libstdc++

pat_trie_/trace_fn_imps.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2026 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_CLASS_C_DEC
42
43#ifdef PB_DS_PAT_TRIE_TRACE_
44
45PB_DS_CLASS_T_DEC
46void
47PB_DS_CLASS_C_DEC::
48trace() const
49{
50 std::cerr << std::endl;
51 if (m_p_head->m_p_parent == 0)
52 return;
53 trace_node(m_p_head->m_p_parent, 0);
54 std::cerr << std::endl;
55}
56
57PB_DS_CLASS_T_DEC
58void
59PB_DS_CLASS_C_DEC::
60trace_node(node_const_pointer p_nd, size_type level)
61{
62 for (size_type i = 0; i < level; ++i)
63 std::cerr << ' ';
64 std::cerr << p_nd << " ";
65 std::cerr << ((p_nd->m_type == pat_trie_leaf_node_type) ? "l " : "i ");
66
67 trace_node_metadata(p_nd, type_to_type<typename node::metadata_type>());
68 typename access_traits::const_iterator el_it = pref_begin(p_nd);
69 while (el_it != pref_end(p_nd))
70 {
71 std::cerr <<* el_it;
72 ++el_it;
73 }
74
75 if (p_nd->m_type == pat_trie_leaf_node_type)
76 {
77 std::cerr << std::endl;
78 return;
79 }
80
81 inode_const_pointer p_internal = static_cast<inode_const_pointer>(p_nd);
82
83 std::cerr << " " <<
84 static_cast<unsigned long>(p_internal->get_e_ind()) << std::endl;
85
86 const size_type num_children = std::distance(p_internal->begin(),
87 p_internal->end());
88
89 for (size_type child_i = 0; child_i < num_children; ++child_i)
90 {
91 typename inode::const_iterator child_it = p_internal->begin();
92 std::advance(child_it, num_children - child_i - 1);
93 trace_node(*child_it, level + 1);
94 }
95}
96
97PB_DS_CLASS_T_DEC
98template<typename Metadata_>
99void
100PB_DS_CLASS_C_DEC::
101trace_node_metadata(node_const_pointer p_nd, type_to_type<Metadata_>)
102{
103 std::cerr << "(" << static_cast<unsigned long>(p_nd->get_metadata()) << ") ";
104}
105
106PB_DS_CLASS_T_DEC
107void
108PB_DS_CLASS_C_DEC::
109trace_node_metadata(node_const_pointer, type_to_type<null_type>)
110{ }
111
112#endif
113
114#endif
std::endl
basic_ostream< _CharT, _Traits > & endl(basic_ostream< _CharT, _Traits > &__os)
Write a newline and flush the stream.
Definition ostream:71
std::distance
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
Definition stl_iterator_base_funcs.h:177
std::cerr
ostream cerr
Linked to standard error (unbuffered).
std::advance
constexpr void advance(_InputIterator &__i, _Distance __n)
A generalization of pointer arithmetic.
Definition stl_iterator_base_funcs.h:270