3 // Copyright (C) 2005-2018 Free Software Foundation, Inc.
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
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.
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.
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/>.
25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
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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37 * @file gp_hash_table_map_/insert_no_store_hash_fn_imps.hpp
38 * Contains implementations of gp_ht_map_'s insert related functions,
39 * when the hash value is not stored.
43 inline typename
PB_DS_CLASS_C_DEC::size_type
45 find_ins_pos(key_const_reference r_key
, false_type
)
47 size_type hash
= ranged_probe_fn_base::operator()(r_key
);
50 /* The insertion position is initted to a non-legal value to indicate
51 * that it has not been initted yet.
53 size_type ins_pos
= m_num_e
;
54 resize_base::notify_insert_search_start();
55 for (i
= 0; i
< m_num_e
; ++i
)
57 const size_type pos
= ranged_probe_fn_base::operator()(r_key
, hash
, i
);
58 _GLIBCXX_DEBUG_ASSERT(pos
< m_num_e
);
59 entry
* const p_e
= m_entries
+ pos
;
62 case empty_entry_status
:
64 resize_base::notify_insert_search_end();
65 PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key
)
66 return (ins_pos
== m_num_e
) ? pos
: ins_pos
;
69 case erased_entry_status
:
70 if (ins_pos
== m_num_e
)
73 case valid_entry_status
:
74 if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e
->m_value
), r_key
))
76 resize_base::notify_insert_search_end();
77 PB_DS_CHECK_KEY_EXISTS(r_key
)
82 _GLIBCXX_DEBUG_ASSERT(0);
85 resize_base::notify_insert_search_collision();
87 resize_base::notify_insert_search_end();
88 if (ins_pos
== m_num_e
)
89 __throw_insert_error();
94 inline std::pair
<typename
PB_DS_CLASS_C_DEC::point_iterator
, bool>
96 insert_imp(const_reference r_val
, false_type
)
98 key_const_reference r_key
= PB_DS_V2F(r_val
);
99 const size_type pos
= find_ins_pos(r_key
,
100 traits_base::m_store_extra_indicator
);
102 if (m_entries
[pos
].m_stat
== valid_entry_status
)
104 PB_DS_CHECK_KEY_EXISTS(r_key
)
105 return std::make_pair(&(m_entries
+ pos
)->m_value
, false);
108 PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key
)
109 return std::make_pair(insert_new_imp(r_val
, pos
), true);