Method resumeThread

source/core/StarLua.hpp:2017–2048

template <typename... Args>
Maybe<LuaDetail::LuaFunctionReturn> LuaEngine::resumeThread(int handleIndex, Args const&... args) {
  lua_checkstack(m_state, 1);

  pushHandle(m_state, handleIndex);
  lua_State* threadState = lua_tothread(m_state, -1);
  lua_pop(m_state, 1);

  if (lua_status(threadState) != LUA_YIELD && lua_gettop(threadState) == 0) {
    throw LuaException("cannot resume a dead or errored thread");
  }

  size_t argSize = pushArguments(threadState, args...);
  incrementRecursionLevel();
  int res = lua_resume(threadState, nullptr, argSize);
  decrementRecursionLevel();
  if (res != LUA_OK && res != LUA_YIELD) {
    propagateErrorWithTraceback(threadState, m_state);
    handleError(m_state, res);
  }

  int returnValues = lua_gettop(threadState);
  if (returnValues == 0) {
    return LuaDetail::LuaFunctionReturn();
  } else if (returnValues == 1) {
    return LuaDetail::LuaFunctionReturn(popLuaValue(threadState));
  } else {
    LuaVariadic<LuaValue> ret(returnValues);
    for (int i = returnValues - 1; i >= 0; --i)
      ret[i] = popLuaValue(threadState);
    return LuaDetail::LuaFunctionReturn(std::move(ret));
  }
}

template <typename T>
void LuaEngine::registerUserDataType() {