Ref* CustomGUIReader::createInstance()
{
Ref* result = nullptr;
LuaStack* stack = LuaEngine::getInstance()->getLuaStack();
stack->executeFunction(_createFunc, 0, 1, [&result](lua_State* L,int numReturn){
result = static_cast<Ref*>(tolua_tousertype(L, -1, nullptr));
lua_pop(L, 1);
});
return result;
}
// 不在LuaStack类中增加接口了。
// 带参数（参数已经push好）执行全局lua函数，忽略返回值。
static void executeLuaGlobalFunction(const char* functionName,int numArgs)
{
LuaStack* ls = LuaEngine::getInstance()->getLuaStack();
lua_State* L = ls->getLuaState();
lua_getglobal(L,functionName);
if(!lua_isfunction(L,-1))
{
CCLOG("[LUA ERROR] name '%s' does not represent a Lua function",functionName);
lua_settop(L,0);
return;
}
if(numArgs>0)
{
lua_insert(L,-numArgs-1);
}
ls->executeFunction(numArgs);
}