private void createDescription( StandardDataFlowRunner runner, ProblemsHolder holder, DataFlowInstructionVisitor visitor, final boolean onTheFly, PsiElement scope) { Pair<Set<Instruction>, Set<Instruction>> constConditions = runner.getConstConditionalExpressions(); Set<Instruction> trueSet = constConditions.getFirst(); Set<Instruction> falseSet = constConditions.getSecond(); ArrayList<Instruction> allProblems = new ArrayList<Instruction>(); allProblems.addAll(trueSet); allProblems.addAll(falseSet); allProblems.addAll(runner.getCCEInstructions()); allProblems.addAll(StandardDataFlowRunner.getRedundantInstanceofs(runner, visitor)); HashSet<PsiElement> reportedAnchors = new HashSet<PsiElement>(); for (PsiElement element : visitor.getProblems(NullabilityProblem.callNPE)) { if (reportedAnchors.add(element)) { reportCallMayProduceNpe(holder, (PsiMethodCallExpression) element, holder.isOnTheFly()); } } for (PsiElement element : visitor.getProblems(NullabilityProblem.fieldAccessNPE)) { if (reportedAnchors.add(element)) { PsiElement parent = element.getParent(); PsiElement fieldAccess = parent instanceof PsiArrayAccessExpression || parent instanceof PsiReferenceExpression ? parent : element; reportFieldAccessMayProduceNpe(holder, element, (PsiExpression) fieldAccess); } } for (Instruction instruction : allProblems) { if (instruction instanceof TypeCastInstruction && reportedAnchors.add( ((TypeCastInstruction) instruction).getCastExpression().getCastType())) { reportCastMayFail(holder, (TypeCastInstruction) instruction); } else if (instruction instanceof BranchingInstruction) { handleBranchingInstruction( holder, visitor, trueSet, falseSet, reportedAnchors, (BranchingInstruction) instruction, onTheFly); } } reportNullableArguments(visitor, holder, reportedAnchors); reportNullableAssignments(visitor, holder, reportedAnchors); reportUnboxedNullables(visitor, holder, reportedAnchors); reportNullableReturns(visitor, holder, reportedAnchors, scope); if (SUGGEST_NULLABLE_ANNOTATIONS) { reportNullableArgumentsPassedToNonAnnotated(visitor, holder, reportedAnchors); } reportOptionalOfNullableImprovements(holder, reportedAnchors, runner.getInstructions()); if (REPORT_CONSTANT_REFERENCE_VALUES) { reportConstantReferenceValues(holder, visitor, reportedAnchors); } }