• Main Page
  • Related Pages
  • Namespaces
  • Classes
  • Files
  • Examples
  • File List
  • File Members

smart_ptr.h

Go to the documentation of this file.
00001 //
00002 //   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Free Software
00003 //   Foundation, Inc
00004 //
00005 // This program is free software; you can redistribute it and/or modify
00006 // it under the terms of the GNU General Public License as published by
00007 // the Free Software Foundation; either version 3 of the License, or
00008 // (at your option) any later version.
00009 //
00010 // This program is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00013 // GNU General Public License for more details.
00014 // 
00015 // You should have received a copy of the GNU General Public License
00016 // along with this program; if not, write to the Free Software
00017 // Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00018 
00019 // Smart (ref-counting) pointer classes.  Uses "intrusive" approach:
00020 // the types pointed to must have add_ref() and drop_ref() methods.
00021 // Typically this is done by inheriting from a ref_counted class,
00022 // although the nice thing about templates is that no particular
00023 // ref-counted class is mandated.
00024 
00025 
00026 #ifndef SMART_PTR_H
00027 #define SMART_PTR_H
00028 
00029 #include "ref_counted.h"
00030 #include <typeinfo>
00031 
00032 // TODO: drop all users of this macro, we _are_ using GC now
00033 #define GNASH_USE_GC 1
00034 
00035 namespace gnash {
00036     class GcResource;
00037 }
00038 
00039 
00040 #define COMPILER_SUPPORTS_ARGUMENT_DEPENDENT_LOOKUP 1
00041 #ifdef COMPILER_SUPPORTS_ARGUMENT_DEPENDENT_LOOKUP
00042 namespace gnash {
00043 #else
00044 namespace boost {
00045 #endif
00046 
00047 inline void
00048 intrusive_ptr_add_ref(const ref_counted* o)
00049 {
00050         o->add_ref();
00051 }
00052 
00053 inline void
00054 intrusive_ptr_release(const ref_counted* o)
00055 {
00056         o->drop_ref();
00057 }
00058 
00059 // These two should not be needed when we switch all GcResource 
00060 // pointers to use the gc_ptr instead of the intrusive_ptr
00061 
00062 inline void intrusive_ptr_add_ref(const GcResource* ) { }
00063 inline void intrusive_ptr_release(const GcResource* ) { }
00064 
00065 } // namespace boost||gnash 
00066 
00067 
00068 #endif // SMART_PTR_H
00069 
00070 
00071 // Local Variables:
00072 // mode: C++
00073 // c-basic-offset: 8 
00074 // tab-width: 8
00075 // indent-tabs-mode: t
00076 // End:

Generated on Fri Mar 16 2012 15:46:12 for Gnash by  doxygen 1.7.1