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