1 // RUN: %clang_cc1 -fobjc-runtime=macosx-10.8 -fsyntax-only -verify %s 2 3 __attribute__((objc_root_class)) 4 @interface Root @end 5 6 // These should not get diagnosed immediately. 7 @interface A : Root { 8 __weak id x; 9 } 10 @property __weak id y; 11 @end 12 13 // Diagnostic goes on the ivar if it's explicit. 14 @interface B : Root { 15 __weak id x; // expected-error {{cannot create __weak reference in file using manual reference counting}} 16 } 17 @property __weak id x; 18 @end 19 @implementation B 20 @synthesize x; 21 @end 22 23 // Otherwise, it goes with the @synthesize. 24 @interface C : Root 25 @property __weak id x; // expected-note {{property declared here}} 26 @end 27 @implementation C 28 @synthesize x; // expected-error {{cannot synthesize weak property in file using manual reference counting}} 29 @end 30 31 @interface D : Root 32 @property __weak id x; // expected-note {{property declared here}} 33 @end 34 @implementation D // expected-error {{cannot synthesize weak property in file using manual reference counting}} 35 @end 36 37 @interface E : Root { 38 @public 39 __weak id x; // expected-note 2 {{declaration uses __weak, but ARC is disabled}} 40 } 41 @end 42 43 void testE(E *e) { 44 id x = e->x; // expected-error {{'x' is unavailable}} 45 e->x = x; // expected-error {{'x' is unavailable}} 46 } 47 48 @interface F : Root 49 @property (weak) id x; 50 @end 51 52 void testF(F *f) { 53 id x = f.x; 54 } 55
