libstdc++
gp_hash_table_map_/resize_store_hash_fn_imps.hpp
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1 // -*- C++ -*-
2 
3 // Copyright (C) 2005, 2006, 2009 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
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34 // warranty.
35 
36 /**
37  * @file gp_hash_table_map_/resize_store_hash_fn_imps.hpp
38  * Contains implementations of gp_ht_map_'s resize related functions, when the
39  * hash value is stored.
40  */
41 
42 PB_DS_CLASS_T_DEC
43 inline void
44 PB_DS_CLASS_C_DEC::
45 resize_imp_reassign(entry_pointer p_e, entry_array a_entries_resized,
46  true_type)
47 {
48  key_const_reference r_key = PB_DS_V2F(p_e->m_value);
49  size_type hash = ranged_probe_fn_base::operator()(r_key, p_e->m_hash);
50 
51  size_type i;
52  for (i = 0; i < m_num_e; ++i)
53  {
54  const size_type pos = ranged_probe_fn_base::operator()(r_key, hash, i);
55  entry_pointer p_new_e = a_entries_resized + pos;
56  switch(p_new_e->m_stat)
57  {
58  case empty_entry_status:
59  new (&p_new_e->m_value) value_type(p_e->m_value);
60  p_new_e->m_hash = hash;
61  p_new_e->m_stat = valid_entry_status;
62  return;
63  case erased_entry_status:
64  _GLIBCXX_DEBUG_ASSERT(0);
65  break;
66  case valid_entry_status:
67  break;
68  default:
69  _GLIBCXX_DEBUG_ASSERT(0);
70  };
71  }
72  __throw_insert_error();
73 }
74