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ABlock.java

package edu.ksu.cis.bandera.jjjc.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.jjjc.analysis.*;

public final class ABlock extends PBlock
{
    private TLBrace _lBrace_;
    private final LinkedList _blockedStmt_ = new TypedLinkedList(new BlockedStmt_Cast());
    private TRBrace _rBrace_;

    private class BlockedStmt_Cast implements Cast
    {
        public Object cast(Object o)
        {
            PBlockedStmt node = (PBlockedStmt) o;

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

            if((node.parent() == null) ||
                (node.parent() != ABlock.this))
            {
                node.parent(ABlock.this);
            }

            return node;
        }
    }
    public ABlock()
    {
    }
    public ABlock(
        TLBrace _lBrace_,
        List _blockedStmt_,
        TRBrace _rBrace_)
    {
        setLBrace(_lBrace_);

        {
            Object temp[] = _blockedStmt_.toArray();
            for(int i = 0; i < temp.length; i++)
            {
                this._blockedStmt_.add(temp[i]);
            }
        }

        setRBrace(_rBrace_);

    }
    public ABlock(
        TLBrace _lBrace_,
        XPBlockedStmt _blockedStmt_,
        TRBrace _rBrace_)
    {
        setLBrace(_lBrace_);

        if(_blockedStmt_ != null)
        {
            while(_blockedStmt_ instanceof X1PBlockedStmt)
            {
                this._blockedStmt_.addFirst(((X1PBlockedStmt) _blockedStmt_).getPBlockedStmt());
                _blockedStmt_ = ((X1PBlockedStmt) _blockedStmt_).getXPBlockedStmt();
            }
            this._blockedStmt_.addFirst(((X2PBlockedStmt) _blockedStmt_).getPBlockedStmt());
        }

        setRBrace(_rBrace_);

    }
    public void apply(Switch sw)
    {
        ((Analysis) sw).caseABlock(this);
    }
    public Object clone()
    {
        return new ABlock(
            (TLBrace) cloneNode(_lBrace_),
            cloneList(_blockedStmt_),
            (TRBrace) cloneNode(_rBrace_));
    }
    public LinkedList getBlockedStmt()
    {
        return _blockedStmt_;
    }
    public TLBrace getLBrace()
    {
        return _lBrace_;
    }
    public TRBrace getRBrace()
    {
        return _rBrace_;
    }
    void removeChild(Node child)
    {
        if(_lBrace_ == child)
        {
            _lBrace_ = null;
            return;
        }

        if(_blockedStmt_.remove(child))
        {
            return;
        }

        if(_rBrace_ == child)
        {
            _rBrace_ = null;
            return;
        }

    }
    void replaceChild(Node oldChild, Node newChild)
    {
        if(_lBrace_ == oldChild)
        {
            setLBrace((TLBrace) newChild);
            return;
        }

        for(ListIterator i = _blockedStmt_.listIterator(); i.hasNext();)
        {
            if(i.next() == oldChild)
            {
                if(newChild != null)
                {
                    i.set(newChild);
                    oldChild.parent(null);
                    return;
                }

                i.remove();
                oldChild.parent(null);
                return;
            }
        }

        if(_rBrace_ == oldChild)
        {
            setRBrace((TRBrace) newChild);
            return;
        }

    }
    public void setBlockedStmt(List list)
    {
        Object temp[] = list.toArray();
        for(int i = 0; i < temp.length; i++)
        {
            _blockedStmt_.add(temp[i]);
        }
    }
    public void setLBrace(TLBrace node)
    {
        if(_lBrace_ != null)
        {
            _lBrace_.parent(null);
        }

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

            node.parent(this);
        }

        _lBrace_ = node;
    }
    public void setRBrace(TRBrace node)
    {
        if(_rBrace_ != null)
        {
            _rBrace_.parent(null);
        }

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

            node.parent(this);
        }

        _rBrace_ = node;
    }
    public String toString()
    {
        return ""
            + toString(_lBrace_)
            + toString(_blockedStmt_)
            + toString(_rBrace_);
    }
}

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