libstdc++: entry_list_fn_imps.hpp Source File

libstdc++

entry_list_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 cc_hash_table_map_/entry_list_fn_imps.hpp
38 * Contains implementations of cc_ht_map_'s entry-list related functions.
39 */
40
41#ifdef PB_DS_CLASS_C_DEC
42
43PB_DS_CLASS_T_DEC
44void
45PB_DS_CLASS_C_DEC::
46deallocate_links_in_list(entry_pointer p_e)
47{
48 while (p_e != 0)
49 {
50 entry_pointer p_dealloc_e = p_e;
51 p_e = p_e->m_p_next;
52 s_entry_allocator.deallocate(p_dealloc_e, 1);
53 }
54}
55
56PB_DS_CLASS_T_DEC
57inline typename PB_DS_CLASS_C_DEC::entry_pointer
58PB_DS_CLASS_C_DEC::
59get_entry(const_reference r_val, true_type)
60{
61 // Following line might throw an exception.
62 entry_pointer p_e = s_entry_allocator.allocate(1);
63
64 // Following lines* cannot* throw an exception.
65 new (&p_e->m_value) value_type(r_val);
66 return p_e;
67}
68
69PB_DS_CLASS_T_DEC
70inline typename PB_DS_CLASS_C_DEC::entry_pointer
71PB_DS_CLASS_C_DEC::
72get_entry(const_reference r_val, false_type)
73{
74 // Following line might throw an exception.
75 entry_pointer p_e = s_entry_allocator.allocate(1);
76 cond_dealtor_t cond(p_e);
77
78 // Following lines might throw an exception.
79 new (&p_e->m_value) value_type(r_val);
80 cond.set_no_action();
81 return p_e;
82}
83
84PB_DS_CLASS_T_DEC
85inline void
86PB_DS_CLASS_C_DEC::
87rels_entry(entry_pointer p_e)
88{
89 // The following lines cannot throw exceptions (unless if key-data dtors do).
90 p_e->m_value.~value_type();
91 s_entry_allocator.deallocate(p_e, 1);
92}
93
94#endif