libstdc++
cc_hash_table_map_/constructor_destructor_fn_imps.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2021 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 cc_hash_table_map_/constructor_destructor_fn_imps.hpp
38 * Contains implementations of cc_ht_map_'s constructors, destructor,
39 * and related functions.
40 */
41
42#ifdef PB_DS_CLASS_C_DEC
43
44PB_DS_CLASS_T_DEC
45typename PB_DS_CLASS_C_DEC::entry_allocator
46PB_DS_CLASS_C_DEC::s_entry_allocator;
47
48PB_DS_CLASS_T_DEC
49typename PB_DS_CLASS_C_DEC::entry_pointer_allocator
50PB_DS_CLASS_C_DEC::s_entry_pointer_allocator;
51
52PB_DS_CLASS_T_DEC
53template<typename It>
54void
55PB_DS_CLASS_C_DEC::
56copy_from_range(It first_it, It last_it)
57{
58 while (first_it != last_it)
59 insert(*(first_it++));
60}
61
62PB_DS_CLASS_T_DEC
63PB_DS_CLASS_C_DEC::
64PB_DS_CC_HASH_NAME() :
65 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1)),
66 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
67 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
68{
69 initialize();
70 PB_DS_ASSERT_VALID((*this))
71}
72
73PB_DS_CLASS_T_DEC
74PB_DS_CLASS_C_DEC::
75PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn) :
76 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
77 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
78 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
79{
80 initialize();
81 PB_DS_ASSERT_VALID((*this))
82}
83
84PB_DS_CLASS_T_DEC
85PB_DS_CLASS_C_DEC::
86PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn) :
87 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
88 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1), r_hash_fn),
89 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
90 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
91{
92 std::fill(m_entries, m_entries + m_num_e, (entry_pointer)0);
93 Resize_Policy::notify_cleared();
94 ranged_hash_fn_base::notify_resized(m_num_e);
95 PB_DS_ASSERT_VALID((*this))
96}
97
98PB_DS_CLASS_T_DEC
99PB_DS_CLASS_C_DEC::
100PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn,
101 const Comb_Hash_Fn& r_comb_hash_fn) :
102 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
103 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
104 r_hash_fn, r_comb_hash_fn),
105 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
106 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
107{
108 initialize();
109 PB_DS_ASSERT_VALID((*this))
110}
111
112PB_DS_CLASS_T_DEC
113PB_DS_CLASS_C_DEC::
114PB_DS_CC_HASH_NAME(const Hash_Fn& r_hash_fn, const Eq_Fn& r_eq_fn,
115 const Comb_Hash_Fn& r_comb_hash_fn,
116 const Resize_Policy& r_resize_policy) :
117 PB_DS_HASH_EQ_FN_C_DEC(r_eq_fn),
118 Resize_Policy(r_resize_policy),
119 ranged_hash_fn_base(resize_base::get_nearest_larger_size(1),
120 r_hash_fn, r_comb_hash_fn),
121 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
122 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
123{
124 initialize();
125 PB_DS_ASSERT_VALID((*this))
126}
127
128PB_DS_CLASS_T_DEC
129PB_DS_CLASS_C_DEC::
130PB_DS_CC_HASH_NAME(const PB_DS_CLASS_C_DEC& other) :
131 PB_DS_HASH_EQ_FN_C_DEC(other),
132 resize_base(other), ranged_hash_fn_base(other),
133 m_num_e(resize_base::get_nearest_larger_size(1)), m_num_used_e(0),
134 m_entries(s_entry_pointer_allocator.allocate(m_num_e))
135{
136 initialize();
137 PB_DS_ASSERT_VALID((*this))
138 __try
139 {
140 copy_from_range(other.begin(), other.end());
141 }
142 __catch(...)
143 {
144 deallocate_all();
145 __throw_exception_again;
146 }
147 PB_DS_ASSERT_VALID((*this))
148}
149
150PB_DS_CLASS_T_DEC
151PB_DS_CLASS_C_DEC::
152~PB_DS_CC_HASH_NAME()
153{ deallocate_all(); }
154
155PB_DS_CLASS_T_DEC
156void
157PB_DS_CLASS_C_DEC::
158swap(PB_DS_CLASS_C_DEC& other)
159{
160 PB_DS_ASSERT_VALID((*this))
161 PB_DS_ASSERT_VALID(other)
162
163 std::swap(m_entries, other.m_entries);
164 std::swap(m_num_e, other.m_num_e);
165 std::swap(m_num_used_e, other.m_num_used_e);
166 ranged_hash_fn_base::swap(other);
167 hash_eq_fn_base::swap(other);
168 resize_base::swap(other);
169
170 _GLIBCXX_DEBUG_ONLY(debug_base::swap(other));
171 PB_DS_ASSERT_VALID((*this))
172 PB_DS_ASSERT_VALID(other)
173}
174
175PB_DS_CLASS_T_DEC
176void
177PB_DS_CLASS_C_DEC::
178deallocate_all()
179{
180 clear();
181 s_entry_pointer_allocator.deallocate(m_entries, m_num_e);
182}
183
184PB_DS_CLASS_T_DEC
185void
186PB_DS_CLASS_C_DEC::
187initialize()
188{
189 std::fill(m_entries, m_entries + m_num_e, entry_pointer(0));
190 Resize_Policy::notify_resized(m_num_e);
191 Resize_Policy::notify_cleared();
192 ranged_hash_fn_base::notify_resized(m_num_e);
193}
194#endif
std
ISO C++ entities toplevel namespace is std.