kongkong的专栏

Calc.g4 grammar Calc; // 下面是语法 prog: stat+ ; stat: expr ';' # printExpr | ID '=' expr ';' # assign | NEWLINE # blank ; expr: expr op=('*'|'/') expr # MulDiv | expr op=('+'|'-') e

Can’t load Hello as lexer or parser 在CLASSPATHZ最前面加上.; .;C:\develop\antlr\antlr-4.8-complete.jar

下载 https://www.antlr.org/download/ 我下载的是antlr-4.8-complete.jar 添加到classpath 把antlr-4.8-complete.jar添加到classpath 验证 java org.antlr.v4.Tool 自己制作命令 windows antlr4.bat java org.antlr.v4.Tool %* grun.bat java org.antlr.v4.runtime.mis...