xref: /NextBSD/contrib/libstdc++/include/ext/pb_ds/detail/list_update_map_/insert_fn_imps.hpp (revision eb1a5f8de9f7ea602c373a710f531abbf81141c4)
1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006 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 2, 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 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING.  If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
20 
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction.  Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License.  This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
29 // Public License.
30 
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
32 
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
36 // and this permission notice appear in supporting documentation. None
37 // of the above authors, nor IBM Haifa Research Laboratories, make any
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40 // warranty.
41 
42 /**
43  * @file insert_fn_imps.hpp
44  * Contains implementations of lu_map_.
45  */
46 
47 PB_DS_CLASS_T_DEC
48 inline std::pair<
49   typename PB_DS_CLASS_C_DEC::point_iterator,
50   bool>
51 PB_DS_CLASS_C_DEC::
insert(const_reference r_val)52 insert(const_reference r_val)
53 {
54   _GLIBCXX_DEBUG_ONLY(assert_valid();)
55   entry_pointer p_l = find_imp(PB_DS_V2F(r_val));
56 
57   if (p_l != NULL)
58     {
59       _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(PB_DS_V2F(r_val));)
60       return std::make_pair(point_iterator(&p_l->m_value), false);
61     }
62 
63   _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(PB_DS_V2F(r_val));)
64 
65   p_l = allocate_new_entry(r_val, traits_base::m_no_throw_copies_indicator);
66   p_l->m_p_next = m_p_l;
67   m_p_l = p_l;
68   _GLIBCXX_DEBUG_ONLY(assert_valid();)
69   return std::make_pair(point_iterator(&p_l->m_value), true);
70 }
71 
72 PB_DS_CLASS_T_DEC
73 inline typename PB_DS_CLASS_C_DEC::entry_pointer
74 PB_DS_CLASS_C_DEC::
allocate_new_entry(const_reference r_val,false_type)75 allocate_new_entry(const_reference r_val, false_type)
76 {
77   entry_pointer p_l = s_entry_allocator.allocate(1);
78   cond_dealtor_t cond(p_l);
79   new (const_cast<void* >(static_cast<const void* >(&p_l->m_value)))
80     value_type(r_val);
81 
82   cond.set_no_action();
83   _GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(PB_DS_V2F(r_val));)
84   init_entry_metadata(p_l, s_metadata_type_indicator);
85   return p_l;
86 }
87 
88 PB_DS_CLASS_T_DEC
89 inline typename PB_DS_CLASS_C_DEC::entry_pointer
90 PB_DS_CLASS_C_DEC::
allocate_new_entry(const_reference r_val,true_type)91 allocate_new_entry(const_reference    r_val, true_type)
92 {
93   entry_pointer p_l = s_entry_allocator.allocate(1);
94   new (&p_l->m_value) value_type(r_val);
95   _GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(PB_DS_V2F(r_val));)
96   init_entry_metadata(p_l, s_metadata_type_indicator);
97   return p_l;
98 }
99 
100 PB_DS_CLASS_T_DEC
101 template<typename Metadata>
102 inline void
103 PB_DS_CLASS_C_DEC::
init_entry_metadata(entry_pointer p_l,type_to_type<Metadata>)104 init_entry_metadata(entry_pointer p_l, type_to_type<Metadata>)
105 { new (&p_l->m_update_metadata) Metadata(s_update_policy()); }
106 
107 PB_DS_CLASS_T_DEC
108 inline void
109 PB_DS_CLASS_C_DEC::
init_entry_metadata(entry_pointer,type_to_type<null_lu_metadata>)110 init_entry_metadata(entry_pointer, type_to_type<null_lu_metadata>)
111 { }
112 
113