libstdc++
list_update_map_/insert_fn_imps.hpp
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1// -*- C++ -*-
2
3// Copyright (C) 2005-2019 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
41PB_DS_CLASS_T_DEC
42inline std::pair<
43 typename PB_DS_CLASS_C_DEC::point_iterator,
44 bool>
45PB_DS_CLASS_C_DEC::
46insert(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
66PB_DS_CLASS_T_DEC
67inline typename PB_DS_CLASS_C_DEC::entry_pointer
68PB_DS_CLASS_C_DEC::
69allocate_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
82PB_DS_CLASS_T_DEC
83inline typename PB_DS_CLASS_C_DEC::entry_pointer
84PB_DS_CLASS_C_DEC::
85allocate_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
94PB_DS_CLASS_T_DEC
95template<typename Metadata>
96inline void
97PB_DS_CLASS_C_DEC::
98init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
99{ new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
100
101PB_DS_CLASS_T_DEC
102inline void
103PB_DS_CLASS_C_DEC::
104init_entry_metadata(entry_pointer, type_to_type<null_type>)
105{ }
106
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:524
ISO C++ entities toplevel namespace is std.
Struct holding two objects of arbitrary type.
Definition: stl_pair.h:210