/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2003,2004 University of Maryland
*
* 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 edu.umd.cs.findbugs;
/**
* Class for generating InstructionScanners at particular instructions of a path.
* Because we don't know a priori where we might want to start scanning
* in order to find a pattern in a path, we use this interface to tell us which
* locations are candidates for starting a pattern.
*/
public interface InstructionScannerGenerator {
/**
* Return true if a new scanner should be created starting at this instruction,
* false otherwise.
*/
public boolean start(org.apache.bcel.generic.InstructionHandle handle);
/**
* Create a new scanner.
*/
public InstructionScanner createScanner();
}
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