如果记号赋予器未遇到这两个记号，则返回词法错误。
If the tokenizer encounters neither token, it returns a lexical error.
如果要求退出，一旦遇到错误，服务器就终止剩余请求的处理，所有未执行的请求都标记为失败。
When the instruction is to exit, the server terminates the execution of the remaining requests as soon as an error is encountered, and all the requests that do not execute are marked as failed.
请记住，如果删除未实现组件的模拟器或没有任何绑定的导入，则在运行测试时会遇到错误。
Remember, if you delete an emulator for a component that isn't implemented or an import that has no binding, you'll get an error when you run the test.
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