/** * Called by the {@link ANullPatternIR} node from {@link ANullPatternIR#apply(IAnalysis)}. * @param node the calling {@link ANullPatternIR} node */ public A caseANullPatternIR(ANullPatternIR node, Q question) throws AnalysisException { _visitedNodes.add(node); A retVal = createNewReturnValue(node, question); mergeReturns(retVal,inANullPatternIR(node, question)); mergeReturns(retVal,outANullPatternIR(node, question)); return retVal; }