private void reportNullableArgumentsPassedToNonAnnotated( DataFlowInstructionVisitor visitor, ProblemsHolder holder, Set<PsiElement> reportedAnchors) { for (PsiElement expr : visitor.getProblems(NullabilityProblem.passingNullableArgumentToNonAnnotatedParameter)) { if (reportedAnchors.contains(expr)) continue; final String text = isNullLiteralExpression(expr) ? "Passing <code>null</code> argument to non annotated parameter" : "Argument <code>#ref</code> #loc might be null but passed to non annotated parameter"; LocalQuickFix[] fixes = createNPEFixes((PsiExpression) expr, (PsiExpression) expr, holder.isOnTheFly()); final PsiElement parent = expr.getParent(); if (parent instanceof PsiExpressionList) { final int idx = ArrayUtilRt.find(((PsiExpressionList) parent).getExpressions(), expr); if (idx > -1) { final PsiElement gParent = parent.getParent(); if (gParent instanceof PsiCallExpression) { final PsiMethod psiMethod = ((PsiCallExpression) gParent).resolveMethod(); if (psiMethod != null && psiMethod.getManager().isInProject(psiMethod) && AnnotationUtil.isAnnotatingApplicable(psiMethod)) { final PsiParameter[] parameters = psiMethod.getParameterList().getParameters(); if (idx < parameters.length) { final AddNullableAnnotationFix addNullableAnnotationFix = new AddNullableAnnotationFix(parameters[idx]); fixes = fixes == null ? new LocalQuickFix[] {addNullableAnnotationFix} : ArrayUtil.append(fixes, addNullableAnnotationFix); holder.registerProblem(expr, text, fixes); reportedAnchors.add(expr); } } } } } } }