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4569a895 AT |
1 | // -*- C++ -*- |
2 | ||
8d9254fc | 3 | // Copyright (C) 2005-2020 Free Software Foundation, Inc. |
4569a895 AT |
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 | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
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 | ||
748086b7 JJ |
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/>. | |
4569a895 AT |
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 | /** | |
a345e45d | 37 | * @file gp_hash_table_map_/insert_no_store_hash_fn_imps.hpp |
1b24692f BK |
38 | * Contains implementations of gp_ht_map_'s insert related functions, |
39 | * when the hash value is not stored. | |
4569a895 AT |
40 | */ |
41 | ||
574dfb67 JW |
42 | #ifdef PB_DS_CLASS_C_DEC |
43 | ||
4569a895 AT |
44 | PB_DS_CLASS_T_DEC |
45 | inline typename PB_DS_CLASS_C_DEC::size_type | |
46 | PB_DS_CLASS_C_DEC:: | |
a345e45d | 47 | find_ins_pos(key_const_reference r_key, false_type) |
4569a895 AT |
48 | { |
49 | size_type hash = ranged_probe_fn_base::operator()(r_key); | |
4569a895 AT |
50 | size_type i; |
51 | ||
52 | /* The insertion position is initted to a non-legal value to indicate | |
53 | * that it has not been initted yet. | |
54 | */ | |
55 | size_type ins_pos = m_num_e; | |
4569a895 | 56 | resize_base::notify_insert_search_start(); |
4569a895 AT |
57 | for (i = 0; i < m_num_e; ++i) |
58 | { | |
1b24692f | 59 | const size_type pos = ranged_probe_fn_base::operator()(r_key, hash, i); |
47bea7b8 | 60 | _GLIBCXX_DEBUG_ASSERT(pos < m_num_e); |
3441f106 | 61 | entry* const p_e = m_entries + pos; |
4569a895 AT |
62 | switch(p_e->m_stat) |
63 | { | |
64 | case empty_entry_status: | |
65 | { | |
66 | resize_base::notify_insert_search_end(); | |
f5886803 | 67 | PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key) |
1b24692f | 68 | return (ins_pos == m_num_e) ? pos : ins_pos; |
4569a895 AT |
69 | } |
70 | break; | |
71 | case erased_entry_status: | |
72 | if (ins_pos == m_num_e) | |
73 | ins_pos = pos; | |
74 | break; | |
75 | case valid_entry_status: | |
1b24692f | 76 | if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), r_key)) |
4569a895 AT |
77 | { |
78 | resize_base::notify_insert_search_end(); | |
f5886803 | 79 | PB_DS_CHECK_KEY_EXISTS(r_key) |
1b24692f | 80 | return pos; |
4569a895 AT |
81 | } |
82 | break; | |
83 | default: | |
47bea7b8 | 84 | _GLIBCXX_DEBUG_ASSERT(0); |
4569a895 AT |
85 | }; |
86 | ||
87 | resize_base::notify_insert_search_collision(); | |
88 | } | |
4569a895 | 89 | resize_base::notify_insert_search_end(); |
4569a895 | 90 | if (ins_pos == m_num_e) |
8fafc2d3 | 91 | __throw_insert_error(); |
1b24692f | 92 | return ins_pos; |
4569a895 AT |
93 | } |
94 | ||
95 | PB_DS_CLASS_T_DEC | |
96 | inline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> | |
97 | PB_DS_CLASS_C_DEC:: | |
10d2ebc5 | 98 | insert_imp(const_reference r_val, false_type) |
4569a895 | 99 | { |
a345e45d | 100 | key_const_reference r_key = PB_DS_V2F(r_val); |
1b24692f BK |
101 | const size_type pos = find_ins_pos(r_key, |
102 | traits_base::m_store_extra_indicator); | |
4569a895 | 103 | |
3441f106 | 104 | if (m_entries[pos].m_stat == valid_entry_status) |
4569a895 | 105 | { |
f5886803 | 106 | PB_DS_CHECK_KEY_EXISTS(r_key) |
1b24692f | 107 | return std::make_pair(&(m_entries + pos)->m_value, false); |
4569a895 AT |
108 | } |
109 | ||
f5886803 | 110 | PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key) |
1b24692f | 111 | return std::make_pair(insert_new_imp(r_val, pos), true); |
4569a895 AT |
112 | } |
113 | ||
574dfb67 | 114 | #endif |