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ValueVariant.java

package edu.ksu.cis.bandera.bofa;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Bandera, a Java(TM) analysis and transformation toolkit           *
 * Copyright (C) 1998, 1999   Shawn Laubach (laubach@acm.org)        *
 * 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.soot.*;
import ca.mcgill.sable.soot.jimple.Value;
import ca.mcgill.sable.soot.jimple.Stmt;

/* 
 * ValueVariant.java 
 * $Id: ValueVariant.java,v 1.1.1.1 2002/01/24 03:42:08 pserver Exp $
 */

/**
 * This class represents the values that may flow in the flow graph.
 * @author <A HREF="http://www.cis.ksu.edu/~hatcliff">John Hatcliff</A>
 * @author
 * <a href="http://www.cis.ksu.edu/~rvprasad">Venkatesh Prasad Ranganath</a>
 * @version $Name:  $($Revision: 1.1.1.1 $)
 */
public class ValueVariant
{
    /** 
     * The class of the value variant.  The type in simple words.
     */
    private ClassToken classToken;

    /** 
     * Index associated with the value variant. 
     */
    private Index      valueIndex;

    /** 
     * Expression in which the value variant gets created. 
     */
    private Value expr;

    /** 
     * Statement in which the value variant gets created. 
     */
    private Stmt stmt;

    /**
     * Constructor of the class.
     *
     * @param classToken the class token associated with the enclosing class.
     * @param valueIndex the associated index
     * @param expr a <code>Value</code> value
     * @param stmt the statement in which the value variant was created.
     */
    public ValueVariant(ClassToken classToken, Index valueIndex, Value expr,
                        Stmt stmt)
    {
        this.classToken = classToken;
        this.valueIndex = valueIndex;
        this.expr = expr;
        this.stmt = stmt;
    }
    /**
     * Provides the class in which the variant was created.
     *
     * @return the class token corresponding to the class in which the variant
     * was created. 
     */ 
    public ClassToken getClassToken()
    {
        return classToken;
    }
    /** 
     * Provides the statement in which the variant was created. 
     *
     * @return the statement in which the variant was created. 
     */
    public Value getExpr()
    {
        return expr;
    }
    /**
     * Provides the associated index.
     *
     * @return the associated index. 
     */
    public Index getIndex()
    {
        return valueIndex;
    }
    /** 
     * Provides the statement in which the variant was created. 
     *
     * @return the statement in which the variant was created. 
     */
    public Stmt getStmt()
    {
        return stmt;
    }
}

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