/* Soot - a J*va Optimization Framework
* Copyright (C) 1999 Patrice Pominville
*
* 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.
*/
/*
* Modified by the Sable Research Group and others 1997-1999.
* See the 'credits' file distributed with Soot for the complete list of
* contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
*/
package soot.baf.toolkits.base;
import soot.*;
/**
* Interface to be implemented by peepholes acting on the Baf IR.
*
* @see PeepholeOptimizer
* @see ExamplePeephole
*/
public interface Peephole
{
/**
* Entry point for a peephole. This method is
* repeatly called by the peephole driver, until
* a fixed-point is reached over all peepholes.
*
* @param b Body to apply peephole to.
* @return true if the peephole changed in any way the Body it
* acted on. false otherwise.
*/
boolean apply(Body b);
}