使用eclipse，java语言，完全自己编写的一个小型的语法分析程序。桂浩老师的实验三作业。-Use Eclipse java language entirely their own writing a small syntax analysis program. Gui Hao teacher experiment three operations.

tiger语言编译器，实现了词法分析、语法分析和语义分析。工具：Java 开发环境: Eclipse、词法分析器: JFlex、语法分析器: CUP-tiger language compiler, lexical analysis, parsing and semantic analysis. Tools: Java development environment: Eclipse, lexical analyzer: JFlex, parser: CUP

Codes requires a number and says the user if the number is primal or not,programmed in java with eclipse.