/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2005-2006 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.detect;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.BugReporter;
import edu.umd.cs.findbugs.BytecodeScanningDetector;
public class FindEmptySynchronizedBlock
extends BytecodeScanningDetector {
BugReporter bugReporter;
public FindEmptySynchronizedBlock(BugReporter bugReporter) {
this.bugReporter = bugReporter;
}
@Override
public void sawOpcode(int seen) {
if (seen == MONITOREXIT && (getPrevOpcode(2) == MONITORENTER || getPrevOpcode(1) == MONITORENTER) )
bugReporter.reportBug(new BugInstance(this, "ESync_EMPTY_SYNC", NORMAL_PRIORITY)
.addClassAndMethod(this)
.addSourceLine(this));
}
}