1 // -*- C++ -*-
2
3// Copyright (C) 2005-2022 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_/constructors_destructor_fn_imps.hpp
38 * Contains an implementation class for pat_trie.
39 */
40
41#ifdef PB_DS_CLASS_C_DEC
42
43PB_DS_CLASS_T_DEC
44typename PB_DS_CLASS_C_DEC::head_allocator
45PB_DS_CLASS_C_DEC::s_head_allocator;
46
47PB_DS_CLASS_T_DEC
48typename PB_DS_CLASS_C_DEC::inode_allocator
49PB_DS_CLASS_C_DEC::s_inode_allocator;
50
51PB_DS_CLASS_T_DEC
52typename PB_DS_CLASS_C_DEC::leaf_allocator
53PB_DS_CLASS_C_DEC::s_leaf_allocator;
54
55PB_DS_CLASS_T_DEC
56PB_DS_CLASS_C_DEC::
57PB_DS_PAT_TRIE_NAME() :
58  m_p_head(s_head_allocator.allocate(1)),
59  m_size(0)
60{
61  initialize();
62  PB_DS_ASSERT_VALID((*this))
63}
64
65PB_DS_CLASS_T_DEC
66PB_DS_CLASS_C_DEC::
67PB_DS_PAT_TRIE_NAME(const access_traits& r_access_traits) :
68  synth_access_traits(r_access_traits),
69  m_p_head(s_head_allocator.allocate(1)),
70  m_size(0)
71{
72  initialize();
73  PB_DS_ASSERT_VALID((*this))
74}
75
76PB_DS_CLASS_T_DEC
77PB_DS_CLASS_C_DEC::
78PB_DS_PAT_TRIE_NAME(const PB_DS_CLASS_C_DEC& other) :
79#ifdef _GLIBCXX_DEBUG
80  debug_base(other),
81#endif
82  synth_access_traits(other),
83  node_update(other),
84  m_p_head(s_head_allocator.allocate(1)),
85  m_size(0)
86{
87  initialize();
88  m_size = other.m_size;
89  PB_DS_ASSERT_VALID(other)
90    if (other.m_p_head->m_p_parent == 0)
91      {
92	PB_DS_ASSERT_VALID((*this))
93	return;
94      }
95  __try
96    {
97      m_p_head->m_p_parent = recursive_copy_node(other.m_p_head->m_p_parent);
98    }
99  __catch(...)
100    {
101      s_head_allocator.deallocate(m_p_head, 1);
102      __throw_exception_again;
103    }
104
105  m_p_head->m_p_min = leftmost_descendant(m_p_head->m_p_parent);
106  m_p_head->m_p_max = rightmost_descendant(m_p_head->m_p_parent);
107  m_p_head->m_p_parent->m_p_parent = m_p_head;
108  PB_DS_ASSERT_VALID((*this))
109}
110
111PB_DS_CLASS_T_DEC
112void
113PB_DS_CLASS_C_DEC::
114swap(PB_DS_CLASS_C_DEC& other)
115{
116  PB_DS_ASSERT_VALID((*this))
117  PB_DS_ASSERT_VALID(other)
118  value_swap(other);
119  std::swap((access_traits& )(*this), (access_traits& )other);
120  PB_DS_ASSERT_VALID((*this))
121  PB_DS_ASSERT_VALID(other)
122}
123
124PB_DS_CLASS_T_DEC
125void
126PB_DS_CLASS_C_DEC::
127value_swap(PB_DS_CLASS_C_DEC& other)
128{
129  _GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
130  std::swap(m_p_head, other.m_p_head);
131  std::swap(m_size, other.m_size);
132}
133
134PB_DS_CLASS_T_DEC
135PB_DS_CLASS_C_DEC::
136~PB_DS_PAT_TRIE_NAME()
137{
138  clear();
139  s_head_allocator.deallocate(m_p_head, 1);
140}
141
142PB_DS_CLASS_T_DEC
143void
144PB_DS_CLASS_C_DEC::
145initialize()
146{
147  new (m_p_head) head();
148  m_p_head->m_p_parent = 0;
149  m_p_head->m_p_min = m_p_head;
150  m_p_head->m_p_max = m_p_head;
151  m_size = 0;
152}
153
154PB_DS_CLASS_T_DEC
155template<typename It>
156void
157PB_DS_CLASS_C_DEC::
158copy_from_range(It first_it, It last_it)
159{
160  while (first_it != last_it)
161    insert(*(first_it++));
162}
163
164PB_DS_CLASS_T_DEC
165typename PB_DS_CLASS_C_DEC::node_pointer
166PB_DS_CLASS_C_DEC::
167recursive_copy_node(node_const_pointer p_ncp)
168{
169  _GLIBCXX_DEBUG_ASSERT(p_ncp != 0);
170  if (p_ncp->m_type == leaf_node)
171    {
172      leaf_const_pointer p_other_lf = static_cast<leaf_const_pointer>(p_ncp);
173      leaf_pointer p_new_lf = s_leaf_allocator.allocate(1);
174      cond_dealtor cond(p_new_lf);
175      new (p_new_lf) leaf(p_other_lf->value());
176      apply_update(p_new_lf, (node_update*)this);
177      cond.set_no_action_dtor();
178      return (p_new_lf);
179    }
180
181  _GLIBCXX_DEBUG_ASSERT(p_ncp->m_type == i_node);
182  node_pointer a_p_children[inode::arr_size];
183  size_type child_i = 0;
184  inode_const_pointer p_icp = static_cast<inode_const_pointer>(p_ncp);
185
186  typename inode::const_iterator child_it = p_icp->begin();
187
188  inode_pointer p_ret;
189  __try
190    {
191      while (child_it != p_icp->end())
192	{
193	  a_p_children[child_i] = recursive_copy_node(*(child_it));
194	  child_i++;
195	  child_it++;
196	}
197      p_ret = s_inode_allocator.allocate(1);
198    }
199  __catch(...)
200    {
201      while (child_i-- > 0)
202	clear_imp(a_p_children[child_i]);
203      __throw_exception_again;
204    }
205
206  new (p_ret) inode(p_icp->get_e_ind(), pref_begin(a_p_children[0]));
207
208  --child_i;
209  _GLIBCXX_DEBUG_ASSERT(child_i >= 1);
210  do
211    p_ret->add_child(a_p_children[child_i], pref_begin(a_p_children[child_i]),
212		     pref_end(a_p_children[child_i]), this);
213  while (child_i-- > 0);
214  apply_update(p_ret, (node_update*)this);
215  return p_ret;
216}
217#endif
218