.X语言词法分析程序的设计 目的：设计、编制、调制一个具体的词法分析程序，加深对词法分析原理的理解。 要求： (1)通过理解正规式、有限自动机原理，根据下面的X语言的说明编制一个X语言的词法分析程序。 (2)提交实验报告，报告内容如下： 目的要求、DFA、程序清单（带注释）、测试样例及结果-. X language lexical analysis procedure is designed to: design, preparation, modulation of the lexical analysis of a specific procedure, deepen understanding of the principles lexical analysis. Requirements: (1) through the understanding of the formal ceremony, finite automata theory, in accordance with the following X-language descr iption of the preparation of an X language lexical analysis procedures. (2) submitted to the experiment report, which reads as follows: The purpose of the requirements, DFA, the list of procedures (with Notes), the test sample and the results