libstdc++
list_update_map_/insert_fn_imps.hpp
Go to the documentation of this file.
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006, 2009, 2010, 2011 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 list_update_map_/insert_fn_imps.hpp
38  * Contains implementations of lu_map_.
39  */
40 
41 PB_DS_CLASS_T_DEC
42 inline std::pair<
43  typename PB_DS_CLASS_C_DEC::point_iterator,
44  bool>
45 PB_DS_CLASS_C_DEC::
46 insert(const_reference r_val)
47 {
48  PB_DS_ASSERT_VALID((*this))
49  entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
50 
51  if (p_l != 0)
52  {
53  PB_DS_CHECK_KEY_EXISTS(PB_DS_V2F(r_val))
54  return std::make_pair(point_iterator(&p_l->m_value), false);
55  }
56 
57  PB_DS_CHECK_KEY_DOES_NOT_EXIST(PB_DS_V2F(r_val))
58 
59  p_l = allocate_new_entry(r_val, traits_base::m_no_throw_copies_indicator);
60  p_l->m_p_next = m_p_l;
61  m_p_l = p_l;
62  PB_DS_ASSERT_VALID((*this))
63  return std::make_pair(point_iterator(&p_l->m_value), true);
64 }
65 
66 PB_DS_CLASS_T_DEC
67 inline typename PB_DS_CLASS_C_DEC::entry_pointer
68 PB_DS_CLASS_C_DEC::
69 allocate_new_entry(const_reference r_val, false_type)
70 {
71  entry_pointer p_l = s_entry_allocator.allocate(1);
72  cond_dealtor_t cond(p_l);
73  new (const_cast<void* >(static_cast<const void* >(&p_l->m_value)))
74  value_type(r_val);
75 
76  cond.set_no_action();
77  _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
78  init_entry_metadata(p_l, s_metadata_type_indicator);
79  return p_l;
80 }
81 
82 PB_DS_CLASS_T_DEC
83 inline typename PB_DS_CLASS_C_DEC::entry_pointer
84 PB_DS_CLASS_C_DEC::
85 allocate_new_entry(const_reference r_val, true_type)
86 {
87  entry_pointer p_l = s_entry_allocator.allocate(1);
88  new (&p_l->m_value) value_type(r_val);
89  _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
90  init_entry_metadata(p_l, s_metadata_type_indicator);
91  return p_l;
92 }
93 
94 PB_DS_CLASS_T_DEC
95 template<typename Metadata>
96 inline void
97 PB_DS_CLASS_C_DEC::
98 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
99 { new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
100 
101 PB_DS_CLASS_T_DEC
102 inline void
103 PB_DS_CLASS_C_DEC::
104 init_entry_metadata(entry_pointer, type_to_type<null_type>)
105 { }
106