test.java

Java写的词法/语法分析器。可生成JAVA语言或者是C++的词法和语法分析器。并可产生语法分析树和对该树进行遍历

import java.io.*;
import antlr.*;

class Test {
	public static void main(String[] args) {
		try {
			T lexer = new T(new DataInputStream(System.in));
			boolean done = false;
			while ( !done ) {
				Token t = lexer.nextToken();
				System.out.println("Token: "+t);
				if ( t.getType()==Token.EOF_TYPE ) {
					done = true;
				}
			}
			System.out.println("done lexing...");
		} catch(Exception e) {
			System.err.println("exception: "+e);
		}
	}
}