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/* Soot - a J*va Optimization Framework
* Copyright (C) 2004 Navindra Umanee
*
* 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.toolkits.graph;
import java.util.*;
/**
* This adapter provides a DirectedGraph interface to DominatorTree.
*
*
*
* This might be useful if e.g. you want to apply a DirectedGraph
* analysis such as the PseudoTopologicalOrderer to a DominatorTree.
*
* @author Navindra Umanee
**/
public class DominatorTreeAdapter implements DirectedGraph
{
DominatorTree dt;
public DominatorTreeAdapter(DominatorTree dt)
{
this.dt = dt;
}
public List getHeads()
{
return Collections.singletonList(dt.getHead());
}
public List getTails()
{
return dt.getTails();
}
public List getPredsOf(Object node)
{
return Collections.singletonList(dt.getParentOf((DominatorNode)node));
}
public List getSuccsOf(Object node)
{
return dt.getChildrenOf((DominatorNode)node);
}
public Iterator iterator()
{
return dt.iterator();
}
public int size()
{
return dt.size();
}
}