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X1PField.java

package edu.ksu.cis.bandera.birp.node;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Bandera, a Java(TM) analysis and transformation toolkit           *
 * Copyright (C) 1998-2001 SAnToS Laboratories (santos@cis.ksu.edu)  *

 * All rights reserved.                                              *
 *                                                                   *
 * This work was done as a project in the SAnToS Laboratory,         *
 * Department of Computing and Information Sciences, Kansas State    *
 * University, USA (http://www.cis.ksu.edu/santos).                  *
 * It is understood that any modification not identified as such is  *
 * not covered by the preceding statement.                           *
 *                                                                   *
 * This work is free software; you can redistribute it and/or        *
 * modify it under the terms of the GNU Library General Public       *
 * License as published by the Free Software Foundation; either      *
 * version 2 of the License, or (at your option) any later version.  *
 *                                                                   *
 * This work is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of    *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU *
 * Library General Public License for more details.                  *
 *                                                                   *
 * You should have received a copy of the GNU Library General Public *
 * License along with this toolkit; if not, write to the             *
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,      *
 * Boston, MA  02111-1307, USA.                                      *
 *                                                                   *
 * Java is a trademark of Sun Microsystems, Inc.                     *
 *                                                                   *
 * To submit a bug report, send a comment, or get the latest news on *
 * this project and other SAnToS projects, please visit the web-site *
 *                http://www.cis.ksu.edu/santos                      *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
import ca.mcgill.sable.util.*;
import edu.ksu.cis.bandera.birp.analysis.*;

public final class X1PField extends XPField
{
    private XPField _xPField_;
    private PField _pField_;

    public X1PField()
    {
    }
    public X1PField(
        XPField _xPField_,
        PField _pField_)
    {
        setXPField(_xPField_);
        setPField(_pField_);
    }
    public void apply(Switch sw)
    {
        throw new RuntimeException("Switch not supported.");
    }
    public Object clone()
    {
        throw new RuntimeException("Unsupported Operation");
    }
    public PField getPField()
    {
        return _pField_;
    }
    public XPField getXPField()
    {
        return _xPField_;
    }
    void removeChild(Node child)
    {
        if(_xPField_ == child)
        {
            _xPField_ = null;
        }

        if(_pField_ == child)
        {
            _pField_ = null;
        }
    }
    void replaceChild(Node oldChild, Node newChild)
    {
    }
    public void setPField(PField node)
    {
        if(_pField_ != null)
        {
            _pField_.parent(null);
        }

        if(node != null)
        {
            if(node.parent() != null)
            {
                node.parent().removeChild(node);
            }

            node.parent(this);
        }

        _pField_ = node;
    }
    public void setXPField(XPField node)
    {
        if(_xPField_ != null)
        {
            _xPField_.parent(null);
        }

        if(node != null)
        {
            if(node.parent() != null)
            {
                node.parent().removeChild(node);
            }

            node.parent(this);
        }

        _xPField_ = node;
    }
    public String toString()
    {
        return "" +
            toString(_xPField_) +
            toString(_pField_);
    }
}

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