libstdc++
pat_trie_/constructors_destructor_fn_imps.hpp
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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
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30 // and this permission notice appear in supporting documentation. None
31 // of the above authors, nor IBM Haifa Research Laboratories, make any
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34 // warranty.
35 
36 /**
37  * @file pat_trie_/constructors_destructor_fn_imps.hpp
38  * Contains an implementation class for pat_trie.
39  */
40 
41 PB_DS_CLASS_T_DEC
42 typename PB_DS_CLASS_C_DEC::head_allocator
43 PB_DS_CLASS_C_DEC::s_head_allocator;
44 
45 PB_DS_CLASS_T_DEC
46 typename PB_DS_CLASS_C_DEC::inode_allocator
47 PB_DS_CLASS_C_DEC::s_inode_allocator;
48 
49 PB_DS_CLASS_T_DEC
50 typename PB_DS_CLASS_C_DEC::leaf_allocator
51 PB_DS_CLASS_C_DEC::s_leaf_allocator;
52 
53 PB_DS_CLASS_T_DEC
54 PB_DS_CLASS_C_DEC::
55 PB_DS_PAT_TRIE_NAME() :
56  m_p_head(s_head_allocator.allocate(1)),
57  m_size(0)
58 {
59  initialize();
60  PB_DS_ASSERT_VALID((*this))
61 }
62 
63 PB_DS_CLASS_T_DEC
64 PB_DS_CLASS_C_DEC::
65 PB_DS_PAT_TRIE_NAME(const access_traits& r_access_traits) :
66  synth_access_traits(r_access_traits),
67  m_p_head(s_head_allocator.allocate(1)),
68  m_size(0)
69 {
70  initialize();
71  PB_DS_ASSERT_VALID((*this))
72 }
73 
74 PB_DS_CLASS_T_DEC
75 PB_DS_CLASS_C_DEC::
76 PB_DS_PAT_TRIE_NAME(const PB_DS_CLASS_C_DEC& other) :
77 #ifdef _GLIBCXX_DEBUG
78  debug_base(other),
79 #endif
80  synth_access_traits(other),
81  node_update(other),
82  m_p_head(s_head_allocator.allocate(1)),
83  m_size(0)
84 {
85  initialize();
86  m_size = other.m_size;
87  PB_DS_ASSERT_VALID(other)
88  if (other.m_p_head->m_p_parent == 0)
89  {
90  PB_DS_ASSERT_VALID((*this))
91  return;
92  }
93  __try
94  {
95  m_p_head->m_p_parent = recursive_copy_node(other.m_p_head->m_p_parent);
96  }
97  __catch(...)
98  {
99  s_head_allocator.deallocate(m_p_head, 1);
100  __throw_exception_again;
101  }
102 
103  m_p_head->m_p_min = leftmost_descendant(m_p_head->m_p_parent);
104  m_p_head->m_p_max = rightmost_descendant(m_p_head->m_p_parent);
105  m_p_head->m_p_parent->m_p_parent = m_p_head;
106  PB_DS_ASSERT_VALID((*this))
107 }
108 
109 PB_DS_CLASS_T_DEC
110 void
111 PB_DS_CLASS_C_DEC::
112 swap(PB_DS_CLASS_C_DEC& other)
113 {
114  PB_DS_ASSERT_VALID((*this))
115  PB_DS_ASSERT_VALID(other)
116  value_swap(other);
117  std::swap((access_traits& )(*this), (access_traits& )other);
118  PB_DS_ASSERT_VALID((*this))
119  PB_DS_ASSERT_VALID(other)
120 }
121 
122 PB_DS_CLASS_T_DEC
123 void
124 PB_DS_CLASS_C_DEC::
125 value_swap(PB_DS_CLASS_C_DEC& other)
126 {
127  _GLIBCXX_DEBUG_ONLY(debug_base::swap(other);)
128  std::swap(m_p_head, other.m_p_head);
129  std::swap(m_size, other.m_size);
130 }
131 
132 PB_DS_CLASS_T_DEC
133 PB_DS_CLASS_C_DEC::
134 ~PB_DS_PAT_TRIE_NAME()
135 {
136  clear();
137  s_head_allocator.deallocate(m_p_head, 1);
138 }
139 
140 PB_DS_CLASS_T_DEC
141 void
142 PB_DS_CLASS_C_DEC::
143 initialize()
144 {
145  new (m_p_head) head();
146  m_p_head->m_p_parent = 0;
147  m_p_head->m_p_min = m_p_head;
148  m_p_head->m_p_max = m_p_head;
149  m_size = 0;
150 }
151 
152 PB_DS_CLASS_T_DEC
153 template<typename It>
154 void
155 PB_DS_CLASS_C_DEC::
156 copy_from_range(It first_it, It last_it)
157 {
158  while (first_it != last_it)
159  insert(*(first_it++));
160 }
161 
162 PB_DS_CLASS_T_DEC
163 typename PB_DS_CLASS_C_DEC::node_pointer
164 PB_DS_CLASS_C_DEC::
165 recursive_copy_node(node_const_pointer p_ncp)
166 {
167  _GLIBCXX_DEBUG_ASSERT(p_ncp != 0);
168  if (p_ncp->m_type == leaf_node)
169  {
170  leaf_const_pointer p_other_lf = static_cast<leaf_const_pointer>(p_ncp);
171  leaf_pointer p_new_lf = s_leaf_allocator.allocate(1);
172  cond_dealtor cond(p_new_lf);
173  new (p_new_lf) leaf(p_other_lf->value());
174  apply_update(p_new_lf, (node_update*)this);
175  cond.set_no_action_dtor();
176  return (p_new_lf);
177  }
178 
179  _GLIBCXX_DEBUG_ASSERT(p_ncp->m_type == i_node);
180  node_pointer a_p_children[inode::arr_size];
181  size_type child_i = 0;
182  inode_const_pointer p_icp = static_cast<inode_const_pointer>(p_ncp);
183 
184  typename inode::const_iterator child_it = p_icp->begin();
185 
186  inode_pointer p_ret;
187  __try
188  {
189  while (child_it != p_icp->end())
190  {
191  a_p_children[child_i] = recursive_copy_node(*(child_it));
192  child_i++;
193  child_it++;
194  }
195  p_ret = s_inode_allocator.allocate(1);
196  }
197  __catch(...)
198  {
199  while (child_i-- > 0)
200  clear_imp(a_p_children[child_i]);
201  __throw_exception_again;
202  }
203 
204  new (p_ret) inode(p_icp->get_e_ind(), pref_begin(a_p_children[0]));
205 
206  --child_i;
207  _GLIBCXX_DEBUG_ASSERT(child_i >= 1);
208  do
209  p_ret->add_child(a_p_children[child_i], pref_begin(a_p_children[child_i]),
210  pref_end(a_p_children[child_i]), this);
211  while (child_i-- > 0);
212  apply_update(p_ret, (node_update*)this);
213  return p_ret;
214 }
ISO C++ entities toplevel namespace is std.