Introduction - If you have any usage issues, please Google them yourself
By designing, developing, debugging a recursive descent parser, lexical analysis procedure to achieve the word provided by sequence analysis and structure grammar checker, grammar master the analytical methods used. Through this experiment should be to achieve the following objectives: 1, master read from the source document effective methods and character of the internal source that generated documents. 2, grasp the realization of lexical analysis methods. 3, on the machine for a debugging process of lexical analysis.