void LuaInterface::pushObject(const LuaObjectPtr& obj)
{
// fills a new userdata with a new LuaObjectPtr pointer
new(newUserdata(sizeof(LuaObjectPtr))) LuaObjectPtr(obj);
// set the userdata metatable
getGlobal(Fw::mkstr(obj->getClassName(), "_mt"));
assert(!isNil());
setMetatable();
}
void LuaInterface::pushObject(const LuaObjectPtr& obj)
{
// fills a new userdata with a new LuaObjectPtr pointer
new(newUserdata(sizeof(LuaObjectPtr))) LuaObjectPtr(obj);
m_totalObjRefs++;
obj->luaGetMetatable();
if(isNil())
g_logger.fatal(stdext::format("metatable for class '%s' not found, did you bind the C++ class?", obj->getClassName()));
setMetatable();
}
void LuaInterface::pushCppFunction(const LuaCppFunction& func)
{
// create a pointer to func (this pointer will hold the function existence)
new(newUserdata(sizeof(LuaCppFunctionPtr))) LuaCppFunctionPtr(new LuaCppFunction(func));
// sets the userdata __gc metamethod, needed to free the function pointer when it gets collected
newTable();
pushCFunction(&LuaInterface::luaCollectCppFunction);
setField("__gc");
setMetatable();
// actually pushes a C function callback that will call the cpp function
pushCFunction(&LuaInterface::luaCppFunctionCallback, 1);
}
static int createLuaobj(lua_State* L, IniFile* ini)
{
return newUserdata(L, ini, INI_META_LIB);
}