package inter;import lexer.*; import symbols.*;public class Constant extends Expr {   public Constant(Token tok, Type p) { super(tok, p); }   public Constant(int i) { super(new Num(i), Type.Int); }   public static final Constant      True  = new Constant(Word.True,  Type.Bool),      False = new Constant(Word.False, Type.Bool);   public void jumping(int t, int f) {      if ( this == True && t != 0 ) emit("goto L" + t);      else if ( this == False && f != 0) emit("goto L" + f);   }}