stampavariabile.java

mylanguage（大学作业）

//
//  StampaVariabile.java
//
//  Created by Dario Malchiodi on Jan 04 2006.
//  Copyright (c) 2006 DSI. All rights reserved.
//

import java.util.*;

public class StampaVariabile extends Istruzione {

    private String variabile;

    public StampaVariabile(String v) {
        variabile = new String(v);
    }

    public void esegui() throws ExecutionException {
        if(memoria.get(variabile) == null) throw new InvalidVariableException(variabile);
        System.out.println((Integer)memoria.get(variabile));
    }
    
    public Object clone() {
        return new StampaVariabile(variabile);
    }
    
    public String toString() {
        return indenta() + "PRINT " + variabile + ";\n";
    }
}