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ATryFinallyStmt.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 ATryFinallyStmt extends PStmt
{
    private TTry _try_;
    private PBlock _block_;
    private final LinkedList _catchClause_ = new TypedLinkedList(new CatchClause_Cast());
    private PFinally _finally_;

    private class CatchClause_Cast implements Cast
    {
        public Object cast(Object o)
        {
            PCatchClause node = (PCatchClause) o;

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

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

            return node;
        }
    }
    public ATryFinallyStmt()
    {
    }
    public ATryFinallyStmt(
        TTry _try_,
        PBlock _block_,
        List _catchClause_,
        PFinally _finally_)
    {
        setTry(_try_);

        setBlock(_block_);

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

        setFinally(_finally_);

    }
    public ATryFinallyStmt(
        TTry _try_,
        PBlock _block_,
        XPCatchClause _catchClause_,
        PFinally _finally_)
    {
        setTry(_try_);

        setBlock(_block_);

        if(_catchClause_ != null)
        {
            while(_catchClause_ instanceof X1PCatchClause)
            {
                this._catchClause_.addFirst(((X1PCatchClause) _catchClause_).getPCatchClause());
                _catchClause_ = ((X1PCatchClause) _catchClause_).getXPCatchClause();
            }
            this._catchClause_.addFirst(((X2PCatchClause) _catchClause_).getPCatchClause());
        }

        setFinally(_finally_);

    }
    public void apply(Switch sw)
    {
        ((Analysis) sw).caseATryFinallyStmt(this);
    }
    public Object clone()
    {
        return new ATryFinallyStmt(
            (TTry) cloneNode(_try_),
            (PBlock) cloneNode(_block_),
            cloneList(_catchClause_),
            (PFinally) cloneNode(_finally_));
    }
    public PBlock getBlock()
    {
        return _block_;
    }
    public LinkedList getCatchClause()
    {
        return _catchClause_;
    }
    public PFinally getFinally()
    {
        return _finally_;
    }
    public TTry getTry()
    {
        return _try_;
    }
    void removeChild(Node child)
    {
        if(_try_ == child)
        {
            _try_ = null;
            return;
        }

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

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

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

    }
    void replaceChild(Node oldChild, Node newChild)
    {
        if(_try_ == oldChild)
        {
            setTry((TTry) newChild);
            return;
        }

        if(_block_ == oldChild)
        {
            setBlock((PBlock) newChild);
            return;
        }

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

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

        if(_finally_ == oldChild)
        {
            setFinally((PFinally) newChild);
            return;
        }

    }
    public void setBlock(PBlock node)
    {
        if(_block_ != null)
        {
            _block_.parent(null);
        }

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

            node.parent(this);
        }

        _block_ = node;
    }
    public void setCatchClause(List list)
    {
        Object temp[] = list.toArray();
        for(int i = 0; i < temp.length; i++)
        {
            _catchClause_.add(temp[i]);
        }
    }
    public void setFinally(PFinally node)
    {
        if(_finally_ != null)
        {
            _finally_.parent(null);
        }

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

            node.parent(this);
        }

        _finally_ = node;
    }
    public void setTry(TTry node)
    {
        if(_try_ != null)
        {
            _try_.parent(null);
        }

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

            node.parent(this);
        }

        _try_ = node;
    }
    public String toString()
    {
        return ""
            + toString(_try_)
            + toString(_block_)
            + toString(_catchClause_)
            + toString(_finally_);
    }
}

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