libstdc++
list_update_map_/insert_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
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
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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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34 // warranty.
35 
36 /**
37  * @file list_update_map_/insert_fn_imps.hpp
38  * Contains implementations of lu_map_.
39  */
40 
41 #ifdef PB_DS_CLASS_C_DEC
42 
43 PB_DS_CLASS_T_DEC
44 inline std::pair<
45  typename PB_DS_CLASS_C_DEC::point_iterator,
46  bool>
47 PB_DS_CLASS_C_DEC::
48 insert(const_reference r_val)
49 {
50  PB_DS_ASSERT_VALID((*this))
51  entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
52 
53  if (p_l != 0)
54  {
55  PB_DS_CHECK_KEY_EXISTS(PB_DS_V2F(r_val))
56  return std::make_pair(point_iterator(&p_l->m_value), false);
57  }
58 
59  PB_DS_CHECK_KEY_DOES_NOT_EXIST(PB_DS_V2F(r_val))
60 
61  p_l = allocate_new_entry(r_val, traits_base::m_no_throw_copies_indicator);
62  p_l->m_p_next = m_p_l;
63  m_p_l = p_l;
64  PB_DS_ASSERT_VALID((*this))
65  return std::make_pair(point_iterator(&p_l->m_value), true);
66 }
67 
68 PB_DS_CLASS_T_DEC
69 inline typename PB_DS_CLASS_C_DEC::entry_pointer
70 PB_DS_CLASS_C_DEC::
71 allocate_new_entry(const_reference r_val, false_type)
72 {
73  entry_pointer p_l = s_entry_allocator.allocate(1);
74  cond_dealtor_t cond(p_l);
75  new (const_cast<void* >(static_cast<const void* >(&p_l->m_value)))
76  value_type(r_val);
77 
78  cond.set_no_action();
79  _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
80  init_entry_metadata(p_l, s_metadata_type_indicator);
81  return p_l;
82 }
83 
84 PB_DS_CLASS_T_DEC
85 inline typename PB_DS_CLASS_C_DEC::entry_pointer
86 PB_DS_CLASS_C_DEC::
87 allocate_new_entry(const_reference r_val, true_type)
88 {
89  entry_pointer p_l = s_entry_allocator.allocate(1);
90  new (&p_l->m_value) value_type(r_val);
91  _GLIBCXX_DEBUG_ONLY(debug_base::insert_new(PB_DS_V2F(r_val));)
92  init_entry_metadata(p_l, s_metadata_type_indicator);
93  return p_l;
94 }
95 
96 PB_DS_CLASS_T_DEC
97 template<typename Metadata>
98 inline void
99 PB_DS_CLASS_C_DEC::
100 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
101 { new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
102 
103 PB_DS_CLASS_T_DEC
104 inline void
105 PB_DS_CLASS_C_DEC::
106 init_entry_metadata(entry_pointer, type_to_type<null_type>)
107 { }
108 
109 #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
constexpr pair< typename __decay_and_strip< _T1 >::__type, typename __decay_and_strip< _T2 >::__type > make_pair(_T1 &&__x, _T2 &&__y)
A convenience wrapper for creating a pair from two objects.
Definition: stl_pair.h:567
ISO C++ entities toplevel namespace is std.
Struct holding two objects of arbitrary type.
Definition: stl_pair.h:213