lexicalanalyzer2.java~37~

java写的词法分析器

package lexicalanalyzer2;
import java.io.*;
import java.util.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class lexicalanalyzer2 {
 // private String output=null;
  public static void main(String[] args)throws IOException{
    check chk=new check();

    String output="";
    while(chk.getforward()<chk.getchrnum()){
       token temptkn;
       temptkn=chk.nexttoken();
       if(temptkn==null)
         break;
       output =output + "\n"+temptkn.toString();
       //System.out.println(temptkn.toString());
     }
     System.out.print(output);
  }

}