该程序是用来实现语法分析，算法采用算符优先算法，优先表从文件中读取-The program is used to achieve syntax analysis, algorithm uses operator precedence algorithm, the priority table to read from a file

编译原理作业 算符优先语法分析　　实现算符优先分析算法，完成以下描述算术表达式的算符优先文法的算符优先分析过程。 　　　G[E]:E→E+T∣E-T∣T T→T*F∣T/F∣F F→(E)∣i-Compilation Principle operating operator precedence parsing algorithm to achieve operator priority analysis, complete the following descr ipti

算符优先文法分析器，支持简单的词法和语法分析，GUI可视化界面，代码简单明了-Operator precedence grammar analyzer, support simple lexical and syntax analysis, GUI visual interface, the code is simple and clear