| 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 | |
|---|