Method LuaStackCheck

src/app/app-common/Lua.cpp:80–85

class LuaStackCheck final {
 public:
  LuaStackCheck(const std::shared_ptr<LuaStateImpl>& lua) : mLua(lua) {
    if (!lua) {
      return;
    }
    mStackSize = lua_gettop(*lua);
  }

  ~LuaStackCheck() noexcept {
    if (!mLua) {