libstdc++
entry_list_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005-2020 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
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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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;
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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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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 
43 PB_DS_CLASS_T_DEC
44 void
45 PB_DS_CLASS_C_DEC::
46 deallocate_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 
56 PB_DS_CLASS_T_DEC
57 inline typename PB_DS_CLASS_C_DEC::entry_pointer
58 PB_DS_CLASS_C_DEC::
59 get_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 
69 PB_DS_CLASS_T_DEC
70 inline typename PB_DS_CLASS_C_DEC::entry_pointer
71 PB_DS_CLASS_C_DEC::
72 get_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 
84 PB_DS_CLASS_T_DEC
85 inline void
86 PB_DS_CLASS_C_DEC::
87 rels_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
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
Definition: type_traits:75
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
Definition: type_traits:78