3138   enum ACCResult {  enum
3151   ACCResult merge(ACCResult left, ACCResult right) {  in merge()
3160   class ARCCastChecker : public StmtVisitor<ARCCastChecker, ACCResult> {
3161     typedef StmtVisitor<ARCCastChecker, ACCResult> super;
3180     ACCResult Visit(Expr *e) {  in Visit()
3184     ACCResult VisitStmt(Stmt *s) {  in VisitStmt()
3189     ACCResult VisitExpr(Expr *e) {  in VisitExpr()
3196     ACCResult VisitObjCStringLiteral(ObjCStringLiteral *e) {  in VisitObjCStringLiteral()
3205     ACCResult VisitCastExpr(CastExpr *e) {  in VisitCastExpr()
3224     ACCResult VisitUnaryExtension(UnaryOperator *e) {  in VisitUnaryExtension()
3229     ACCResult VisitBinComma(BinaryOperator *e) {  in VisitBinComma()
3234     ACCResult VisitConditionalOperator(ConditionalOperator *e) {  in VisitConditionalOperator()
3235       ACCResult left = Visit(e->getTrueExpr());  in VisitConditionalOperator()
3241     ACCResult VisitPseudoObjectExpr(PseudoObjectExpr *e) {  in VisitPseudoObjectExpr()
3247     ACCResult VisitStmtExpr(StmtExpr *e) {  in VisitStmtExpr()
3252     ACCResult VisitDeclRefExpr(DeclRefExpr *e) {  in VisitDeclRefExpr()
3274     ACCResult VisitCallExpr(CallExpr *e) {  in VisitCallExpr()
3276         if (ACCResult result = checkCallToFunction(fn))  in VisitCallExpr()
3282     ACCResult checkCallToFunction(FunctionDecl *fn) {  in checkCallToFunction()
3318     ACCResult VisitObjCMessageExpr(ObjCMessageExpr *e) {  in VisitObjCMessageExpr()
3322     ACCResult VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *e) {  in VisitObjCPropertyRefExpr()
3331     ACCResult checkCallToMethod(ObjCMethodDecl *method) {  in checkCallToMethod()
3549     ACCResult CreateRule =   in diagnoseObjCARCConversion()
3590     ACCResult CreateRule =   in diagnoseObjCARCConversion()