Method SafeCallGlobalFunction

LuaSTGPlus/AppFrame.cpp:1600–1635

}

bool AppFrame::SafeCallGlobalFunction(const char* name, int retc)LNOEXCEPT
{
	lua_pushcfunction(L, StackTraceback);  // ... c
	int tStacktraceIndex = lua_gettop(L);

	lua_getglobal(L, name);  // ... c f
	if (0 != lua_pcall(L, 0, retc, tStacktraceIndex))
	{
		try
		{
			wstring tErrorInfo = StringFormat(
				L"执行函数'%m'时产生未处理的运行时错误:\n\t%m",
				name,
				lua_tostring(L, -1)
			);

			LERROR("脚本错误：%s", tErrorInfo.c_str());
			MessageBox(
				m_pMainWindow ? (HWND)m_pMainWindow->GetHandle() : 0,
				tErrorInfo.c_str(),
				L"LuaSTGPlus脚本错误",
				MB_ICONERROR | MB_OK
			);
		}
		catch (const bad_alloc&)
		{
			LERROR("尝试写出脚本错误时发生内存不足错误");
		}

		lua_pop(L, 2);
		return false;
	}

	lua_remove(L, tStacktraceIndex);
	return true;
}
#pragma endregion

#pragma region 游戏循环