| // RUN: %clang_cc1 -fobjc-runtime-has-weak -fobjc-weak -fsyntax-only -verify %s |
| |
| __attribute__((objc_root_class)) |
| @interface A |
| @property (weak) id wa; // expected-note {{property declared here}} |
| @property (weak) id wb; |
| @property (weak) id wc; // expected-note {{property declared here}} |
| @property (weak) id wd; |
| @property (unsafe_unretained) id ua; |
| @property (unsafe_unretained) id ub; // expected-note {{property declared here}} |
| @property (unsafe_unretained) id uc; |
| @property (unsafe_unretained) id ud; |
| @property (strong) id sa; |
| @property (strong) id sb; // expected-note {{property declared here}} |
| @property (strong) id sc; |
| @property (strong) id sd; |
| @end |
| |
| @implementation A { |
| id _wa; // expected-error {{existing instance variable '_wa' for __weak property 'wa' must be __weak}} |
| __weak id _wb; |
| __unsafe_unretained id _wc; // expected-error {{existing instance variable '_wc' for __weak property 'wc' must be __weak}} |
| id _ua; |
| __weak id _ub; // expected-error {{existing instance variable '_ub' for property 'ub' with unsafe_unretained attribute must be __unsafe_unretained}} |
| __unsafe_unretained id _uc; |
| id _sa; |
| __weak id _sb; // expected-error {{existing instance variable '_sb' for strong property 'sb' may not be __weak}} |
| __unsafe_unretained id _sc; |
| } |
| @synthesize wa = _wa; // expected-note {{property synthesized here}} |
| @synthesize wb = _wb; |
| @synthesize wc = _wc; // expected-note {{property synthesized here}} |
| @synthesize wd = _wd; |
| @synthesize ua = _ua; |
| @synthesize ub = _ub; // expected-note {{property synthesized here}} |
| @synthesize uc = _uc; |
| @synthesize ud = _ud; |
| @synthesize sa = _sa; |
| @synthesize sb = _sb; // expected-note {{property synthesized here}} |
| @synthesize sc = _sc; |
| @synthesize sd = _sd; |
| @end |
| |
| void test_goto() { |
| goto after; // expected-error {{cannot jump from this goto statement to its label}} |
| __weak id x; // expected-note {{jump bypasses initialization of __weak variable}}} |
| after: |
| return; |
| } |
| |
| void test_weak_cast(id *value) { |
| __weak id *a = (__weak id*) value; |
| id *b = (__weak id*) value; // expected-error {{initializing 'id *' with an expression of type '__weak id *' changes retain/release properties of pointer}} |
| __weak id *c = (id*) value; // expected-error {{initializing '__weak id *' with an expression of type 'id *' changes retain/release properties of pointer}} |
| } |
| |
| void test_unsafe_unretained_cast(id *value) { |
| __unsafe_unretained id *a = (__unsafe_unretained id*) value; |
| id *b = (__unsafe_unretained id*) value; |
| __unsafe_unretained id *c = (id*) value; |
| } |
| |
| void test_cast_qualifier_inference(__weak id *value) { |
| __weak id *a = (id*) value; |
| __unsafe_unretained id *b = (id *)value; // expected-error {{initializing 'id *' with an expression of type '__weak id *' changes retain/release properties of pointer}} |
| } |
| |