src/wrapper_base.cpp

   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 #define LUABIND_BUILDING
  24
  25 #include <luabind/config.hpp>
  26 #include <luabind/lua_include.hpp>
  27 #include <luabind/function.hpp>
  28 #include <luabind/detail/object_rep.hpp>
  29 #include <luabind/detail/class_rep.hpp>
  30 #include <luabind/detail/stack_utils.hpp>
  31
  32 namespace luabind { namespace detail
  33 {
  34         LUABIND_API void do_call_member_selection(lua_State* L, char const* name)
  35         {
  36                 object_rep* obj = static_cast<object_rep*>(lua_touserdata(L, -1));
  37
  38         lua_pushstring(L, name);
  39         lua_gettable(L, -2);
  40         lua_replace(L, -2);
  41
  42                 if (!is_luabind_function(L, -1))
  43                         return;
  44
  45                 // this (usually) means the function has not been
  46                 // overridden by lua, call the default implementation
  47                 lua_pop(L, 1);
  48                 obj->crep()->get_default_table(L); // push the crep table
  49                 lua_pushstring(L, name);
  50                 lua_gettable(L, -2);
  51                 lua_remove(L, -2); // remove the crep table
  52         }
  53 }}