Word.java

public class Word extends Token {
	public String lexeme = "";
   	public Word(int tag, String s) 
	{ 
    		super(tag); 
    		lexeme=s; 
    	}
    
    	public String toString() 
	{ 
    		return "< " + tag + ", " + lexeme + " >"; 
    	}
    
    	public static final Word
	cond = new Word(Tag.COND, "cond"),
	when = new Word(Tag.WHEN, "when"),
	then = new Word(Tag.THEN, "then"),
	elsetok = new Word(Tag.ELSE, "else"),
	whiletok = new Word(Tag.WHILE, "while"),
	dotok = new Word(Tag.DO, "do"),
	seq = new Word(Tag.SEQ, "seq"),
	print = new Word(Tag.PRINT, "print"),
  	read = new Word(Tag.READ, "read"),
	or = new Word(Tag.OR, "||"),
  	and = new Word(Tag.AND, "&&"),
  	lt = new Word(Tag.RELOP, "<"),
  	gt = new Word(Tag.RELOP, ">"),
  	eq = new Word(Tag.RELOP, "=="),
  	le = new Word(Tag.RELOP, "<="),
  	ne = new Word(Tag.RELOP, "<>"),
  	ge = new Word(Tag.RELOP, ">=");
}