3 // Copyright (C) 2005, 2006, 2007, 2008, 2009 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
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
37 * @file resize_fn_imps.hpp
38 * Contains implementations of gp_ht_map_'s resize related functions.
46 if (!resize_base::is_resize_needed())
48 resize_imp(resize_base::get_new_size(m_num_e
, m_num_used_e
));
55 do_resize(size_type n
)
56 { resize_imp(resize_base::get_nearest_larger_size(n
)); }
61 do_resize_if_needed_no_throw()
63 if (!resize_base::is_resize_needed())
68 resize_imp(resize_base::get_new_size(m_num_e
, m_num_used_e
));
73 _GLIBCXX_DEBUG_ONLY(assert_valid();)
79 resize_imp(size_type new_size
)
81 #ifdef PB_DS_REGRESSION
82 typename
Allocator::group_throw_prob_adjustor
adjust(m_num_e
);
85 if (new_size
== m_num_e
)
88 _GLIBCXX_DEBUG_ONLY(assert_valid();)
89 const size_type old_size
= m_num_e
;
90 entry_array a_entries_resized
= NULL
;
92 // Following line might throw an exception.
93 a_entries_resized
= s_entry_allocator
.allocate(new_size
);
95 ranged_probe_fn_base::notify_resized(new_size
);
98 for (size_type i
= 0; i
< m_num_e
; ++i
)
99 a_entries_resized
[i
].m_stat
= empty_entry_status
;
103 resize_imp(a_entries_resized
, old_size
);
107 erase_all_valid_entries(a_entries_resized
, new_size
);
109 s_entry_allocator
.deallocate(a_entries_resized
, new_size
);
110 ranged_probe_fn_base::notify_resized(old_size
);
111 __throw_exception_again
;
114 // At this point no exceptions can be thrown.
115 _GLIBCXX_DEBUG_ONLY(assert_entry_array_valid(a_entries_resized
, traits_base::m_store_extra_indicator
);)
117 Resize_Policy::notify_resized(new_size
);
118 erase_all_valid_entries(m_entries
, old_size
);
119 s_entry_allocator
.deallocate(m_entries
, old_size
);
120 m_entries
= a_entries_resized
;
121 _GLIBCXX_DEBUG_ONLY(assert_valid();)
127 resize_imp(entry_array a_entries_resized
, size_type old_size
)
129 for (size_type pos
= 0; pos
< old_size
; ++pos
)
130 if (m_entries
[pos
].m_stat
== valid_entry_status
)
131 resize_imp_reassign(m_entries
+ pos
, a_entries_resized
,
132 traits_base::m_store_extra_indicator
);
135 #include <ext/pb_ds/detail/gp_hash_table_map_/resize_no_store_hash_fn_imps.hpp>
136 #include <ext/pb_ds/detail/gp_hash_table_map_/resize_store_hash_fn_imps.hpp>