xtype_qualified.java

一个在无线传感器网络的编译器

// $Id: Xtype_qualified.java,v 1.4 2006/01/03 23:50:52 idgay Exp $
/*									tab:4
 * Copyright (c) 2004-2005 Intel Corporation
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached INTEL-LICENSE     
 * file. If you do not find these files, copies can be found by writing to
 * Intel Research Berkeley, 2150 Shattuck Avenue, Suite 1300, Berkeley, CA, 
 * 94704.  Attention:  Intel License Inquiry.
 */

package net.tinyos.nesc.dump.xml;

import org.xml.sax.*;

/**
 * A qualfied (const, volatile, restrict) type.
 */
public class Xtype_qualified extends Type
{
    /**
     * The type that is qualified.
     */
    public Type subType;

    /**
     * true if the subType is qualified with const.
     */
    public boolean qconst;
    
    /**
     * true if the subType is qualified with volatile.
     */
    public boolean qvolatile;

    /**
     * true if the subType is qualified with restrict.
     */
    public boolean qrestrict;

    public NDElement start(Attributes attrs) {
	super.start(attrs);
	qconst = boolDecode(attrs.getValue("const"));
	qvolatile = boolDecode(attrs.getValue("volatile"));
	qrestrict = boolDecode(attrs.getValue("__restrict"));
	return this;
    }

    public void child(NDElement subElement) {
	if (subElement instanceof Type)
	    subType = (Type)subElement;
	super.child(subElement);
    }

    public boolean equals(Object obj) {
	if (!(obj instanceof Xtype_qualified))
	    return false;
	Xtype_qualified other = (Xtype_qualified)obj;
	return subType.equals(other.subType) &&
	    qconst == other.qconst &&
	    qvolatile == other.qvolatile &&
	    qrestrict == other.qrestrict;
    }
}