release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/pat_trie_/cond_dtor_entry_dealtor.hpp

   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
  33 // purpose. It is provided "as is" without express or implied
  34 // warranty.
  35
  36 /**
  37  * @file cond_dtor_entry_dealtor.hpp
  38  * Contains a binary tree container conditional deallocator
  39  */
  40
  41 class cond_dealtor
  42 {
  43 public:
  44   inline
  45   cond_dealtor(leaf_pointer p_nd) : m_p_nd(p_nd),
  46                                     m_no_action_dtor(false),
  47                                     m_call_destructor(false)
  48   { }
  49
  50   inline void
  51   set_no_action_dtor()
  52   {
  53     m_no_action_dtor = true;
  54   }
  55
  56   inline void
  57   set_call_destructor()
  58   {
  59     m_call_destructor = true;
  60   }
  61
  62   inline
  63   ~cond_dealtor()
  64   {
  65     if (m_no_action_dtor)
  66       return;
  67
  68     if (m_call_destructor)
  69       m_p_nd->~leaf();
  70
  71     s_leaf_allocator.deallocate(m_p_nd, 1);
  72   }
  73
  74 protected:
  75   leaf_pointer m_p_nd;
  76   bool m_no_action_dtor;
  77   bool m_call_destructor;
  78 };
  79