nonterminal.java

来自「To help you in writing an LL grammar, we」· Java 代码 · 共 23 行

// LLAnalyze -- Nathaniel Nystrom, February 2000
// For use in Cornell University Computer Science 412/413

// Nonterminal symbol expressions.

package Iota.util.grammar;

import java.util.*;

public class Nonterminal extends Symbol
{
    public Nonterminal(String sym, int index)
    {
	super(sym, index);
    }

    public boolean equals(Object o)
    {
	return o instanceof Nonterminal &&
	       super.equals(o);
    }
}