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/* Soot - a J*va Optimization Framework
 * Copyright (C) 2005 Ondrej Lhotak
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

package soot.jimple.toolkits.callgraph;
import soot.*;
import java.util.*;

/** Represents a context-sensitive call graph for querying by client analyses.
 * @author Ondrej Lhotak
 */
public interface ContextSensitiveCallGraph 
{ 
    /** Returns all MethodOrMethodContext's (context,method pairs) that are 
     * the source of some edge.
     */
    public Iterator edgeSources();

    /** Returns all ContextSensitiveEdge's in the call graph.
     */
    public Iterator allEdges();

    /** Returns all ContextSensitiveEdge's out of unit srcUnit in method src
     * in context srcCtxt.
     */
    public Iterator edgesOutOf(Context srcCtxt, SootMethod src, Unit srcUnit);

    /** Returns all ContextSensitiveEdge's out of method src
     * in context srcCtxt.
     */
    public Iterator edgesOutOf(Context srcCtxt, SootMethod src);

    /** Returns all ContextSensitiveEdge's into method tgt in context tgtCtxt.
     */
    public Iterator edgesInto(Context tgtCtxt, SootMethod tgt);
}