luabind/detail/garbage_collector.hpp

   1 // Copyright (c) 2003 Daniel Wallin and Arvid Norberg
   2
   3 // Permission is hereby granted, free of charge, to any person obtaining a
   4 // copy of this software and associated documentation files (the "Software"),
   5 // to deal in the Software without restriction, including without limitation
   6 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7 // and/or sell copies of the Software, and to permit persons to whom the
   8 // Software is furnished to do so, subject to the following conditions:
   9
  10 // The above copyright notice and this permission notice shall be included
  11 // in all copies or substantial portions of the Software.
  12
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
  14 // ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
  15 // TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  16 // PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
  17 // SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
  18 // ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  19 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
  21 // OR OTHER DEALINGS IN THE SOFTWARE.
  22
  23
  24 #ifndef LUABIND_GARBAGE_COLLECTOR_HPP_INCLUDED
  25 #define LUABIND_GARBAGE_COLLECTOR_HPP_INCLUDED
  26
  27 #include <luabind/config.hpp>
  28
  29 namespace luabind { namespace detail
  30 {
  31         // function that is used as __gc metafunction on several objects
  32         template<class T>
  33         inline int garbage_collector(lua_State* L)
  34         {
  35                 T* obj = static_cast<T*>(lua_touserdata(L, -1));
  36                 obj->~T();
  37                 return 0;
  38         }
  39
  40         template<class T>
  41         struct garbage_collector_s
  42         {
  43                 static int apply(lua_State* L)
  44                 {
  45                         T* obj = static_cast<T*>(lua_touserdata(L, -1));
  46                         obj->~T();
  47                         return 0;
  48                 }
  49         };
  50
  51 }}
  52
  53 #endif // LUABIND_GARBAGE_COLLECTOR_HPP_INCLUDED