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AssertionSliceInterestCollector.java

package edu.ksu.cis.bandera.specification.assertion;

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Bandera, a Java(TM) analysis and transformation toolkit           *
 * Copyright (C) 2000   Robby (robby@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.soot.*;
import ca.mcgill.sable.soot.jimple.*;
import edu.ksu.cis.bandera.jjjc.*;
import edu.ksu.cis.bandera.annotation.*;
import edu.ksu.cis.bandera.pdgslicer.datastructure.*;
import java.util.*;

public class AssertionSliceInterestCollector {
    private static Jimple jimple = Jimple.v();
/**
 * 
 * @return java.util.Collection
 * @param result java.util.Collection
 * @param assertions java.util.Collection
 */
public static Collection collect(Collection result)
{
    SootMethod assertMethod;
    try
    {
        assertMethod = CompilationManager.getSootClassManager().getClass("Bandera").getMethod("assert");
    } catch (Exception e)
    {
        throw new RuntimeException(e.getMessage());
    }
    for (Enumeration e = CompilationManager.getCompiledClasses().elements(); e.hasMoreElements();)
    {
        SootClass sc = (SootClass) e.nextElement();
        if (!Modifier.isInterface(sc.getModifiers()))
        {
            for (ca.mcgill.sable.util.Iterator i = sc.getMethods().iterator(); i.hasNext();)
            {
                SootMethod sm = (SootMethod) i.next();
                JimpleBody body = (JimpleBody) sm.getBody(jimple);
                Object[] stmts = body.getStmtList().toArray();
                for (int j = 0; j < stmts.length; j++)
                {
                    if (stmts[j] instanceof InvokeStmt)
                    {
                        Value value = ((InvokeStmt) stmts[j]).getInvokeExpr();
                        if (value instanceof StaticInvokeExpr)
                        {
                            StaticInvokeExpr staticInvokeExpr = (StaticInvokeExpr) value;
                            if (staticInvokeExpr.getMethod() == assertMethod)
                            {
                                result.add(new SliceLocal(sc, sm, (Local) staticInvokeExpr.getArg(0)));
                                int sind = SlicePoint.getStmtIndex(sm, (Stmt) stmts[j]);
                                result.add(new SlicePoint(sc, sm, (Stmt) stmts[j], sind));
                            }
                        }
                    }
                }
            }
        }
    }
    return result;
}
}

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