语法分析器(C++)源代码＋其详细的课程设计报告

输入的文法可以消除左递归并提取公共左因子求出文法的非终结集合——FIRST和FOLLOW集并对输入的算符优先文法，构造算符优先关系表

-Parser (C++) Source code　 its detailed report on curriculum design input left recursive grammar can be eliminated and the public left factor extract derived grammar of non-end collection- FIRST and FOLLOW set of the input operator priority grammar, operator precedence relations structure table