| 1 |
35 |
ultra_embe |
// -*- C++ -*-
|
| 2 |
|
|
|
| 3 |
|
|
// Copyright (C) 2005, 2006, 2009, 2011 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
|
| 33 |
|
|
// purpose. It is provided "as is" without express or implied
|
| 34 |
|
|
// warranty.
|
| 35 |
|
|
|
| 36 |
|
|
/**
|
| 37 |
|
|
* @file cc_hash_table_map_/cond_key_dtor_entry_dealtor.hpp
|
| 38 |
|
|
* Contains a conditional key destructor, used for exception handling.
|
| 39 |
|
|
*/
|
| 40 |
|
|
|
| 41 |
|
|
namespace __gnu_pbds
|
| 42 |
|
|
{
|
| 43 |
|
|
namespace detail
|
| 44 |
|
|
{
|
| 45 |
|
|
/// Conditional dey destructor, cc_hash.
|
| 46 |
|
|
template<typename HT_Map>
|
| 47 |
|
|
class cond_dealtor
|
| 48 |
|
|
{
|
| 49 |
|
|
public:
|
| 50 |
|
|
typedef typename HT_Map::entry entry;
|
| 51 |
|
|
typedef typename HT_Map::entry_allocator entry_allocator;
|
| 52 |
|
|
typedef typename HT_Map::key_type key_type;
|
| 53 |
|
|
|
| 54 |
|
|
cond_dealtor(entry_allocator* p_a, entry* p_e)
|
| 55 |
|
|
: m_p_a(p_a), m_p_e(p_e), m_key_destruct(false),
|
| 56 |
|
|
m_no_action_destructor(false)
|
| 57 |
|
|
{ }
|
| 58 |
|
|
|
| 59 |
|
|
inline
|
| 60 |
|
|
~cond_dealtor();
|
| 61 |
|
|
|
| 62 |
|
|
void
|
| 63 |
|
|
set_key_destruct()
|
| 64 |
|
|
{ m_key_destruct = true; }
|
| 65 |
|
|
|
| 66 |
|
|
void
|
| 67 |
|
|
set_no_action_destructor()
|
| 68 |
|
|
{ m_no_action_destructor = true; }
|
| 69 |
|
|
|
| 70 |
|
|
protected:
|
| 71 |
|
|
entry_allocator* const m_p_a;
|
| 72 |
|
|
entry* const m_p_e;
|
| 73 |
|
|
|
| 74 |
|
|
bool m_key_destruct;
|
| 75 |
|
|
bool m_no_action_destructor;
|
| 76 |
|
|
};
|
| 77 |
|
|
|
| 78 |
|
|
template<typename HT_Map>
|
| 79 |
|
|
inline
|
| 80 |
|
|
cond_dealtor<HT_Map>::
|
| 81 |
|
|
~cond_dealtor()
|
| 82 |
|
|
{
|
| 83 |
|
|
if (m_no_action_destructor)
|
| 84 |
|
|
return;
|
| 85 |
|
|
if (m_key_destruct)
|
| 86 |
|
|
m_p_e->m_value.first.~key_type();
|
| 87 |
|
|
m_p_a->deallocate(m_p_e, 1);
|
| 88 |
|
|
}
|
| 89 |
|
|
} // namespace detail
|
| 90 |
|
|
} // namespace __gnu_pbds
|
