/* * FindBugs - Find Bugs in Java programs * Copyright (C) 2003-2007 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.classfile.engine.bcel; import edu.umd.cs.findbugs.ba.CFG; import edu.umd.cs.findbugs.ba.DepthFirstSearch; import edu.umd.cs.findbugs.ba.ReverseDepthFirstSearch; import edu.umd.cs.findbugs.ba.npe.ReturnPathTypeAnalysis; import edu.umd.cs.findbugs.ba.npe.ReturnPathTypeDataflow; import edu.umd.cs.findbugs.classfile.CheckedAnalysisException; import edu.umd.cs.findbugs.classfile.IAnalysisCache; import edu.umd.cs.findbugs.classfile.MethodDescriptor; /** * Analysis engine to produce ReturnPathTypeDataflow objects for analyzed * methods. * * @author David Hovemeyer */ public class ReturnPathTypeDataflowFactory extends AnalysisFactory<ReturnPathTypeDataflow> { /** * Constructor. */ public ReturnPathTypeDataflowFactory() { super("return path type dataflow", ReturnPathTypeDataflow.class); } /* * (non-Javadoc) * * @see * edu.umd.cs.findbugs.classfile.IAnalysisEngine#analyze(edu.umd.cs.findbugs * .classfile.IAnalysisCache, java.lang.Object) */ public ReturnPathTypeDataflow analyze(IAnalysisCache analysisCache, MethodDescriptor descriptor) throws CheckedAnalysisException { CFG cfg = getCFG(analysisCache, descriptor); DepthFirstSearch dfs = getDepthFirstSearch(analysisCache, descriptor); ReverseDepthFirstSearch rdfs = getReverseDepthFirstSearch(analysisCache, descriptor); ReturnPathTypeAnalysis analysis = new ReturnPathTypeAnalysis(cfg, rdfs, dfs); ReturnPathTypeDataflow dataflow = new ReturnPathTypeDataflow(cfg, analysis); dataflow.execute(); return dataflow; } }