1 package polyglot.lex;2 3 import java_cup.runtime.Symbol;4 import polyglot.util.Position;5 6 /** A token class for null literals. */7 public class NullLiteral extends Literal {8 public NullLiteral(Position position, int sym) { super(position, sym); }9 public String toString() { return "literal null"; }10 }11