1 // RUN: %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -verify -Wno-objc-root-class %s 2 3 // rdar://8843524 4 5 struct A { 6 id x; // expected-error {{ARC forbids Objective-C objects in struct}} 7 }; 8 9 union u { 10 id u; // expected-error {{ARC forbids Objective-C objects in union}} 11 }; 12 13 @interface I { 14 struct A a; 15 struct B { 16 id y[10][20]; // expected-error {{ARC forbids Objective-C objects in struct}} 17 id z; 18 } b; 19 20 union u c; 21 }; 22 @end 23 24 // rdar://10260525 25 struct r10260525 { 26 id (^block) (); // expected-error {{ARC forbids blocks in struct}} 27 }; 28 29 struct S { 30 id __attribute__((objc_ownership(none))) i; 31 void * vp; 32 int i1; 33 }; 34 35 // rdar://9046528 36 37 @class NSError; 38 39 __autoreleasing id X; // expected-error {{global variables cannot have __autoreleasing ownership}} 40 __autoreleasing NSError *E; // expected-error {{global variables cannot have __autoreleasing ownership}} 41 42 43 extern id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}} 44 45 void func() 46 { 47 id X; 48 static id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}} 49 extern id __autoreleasing E; // expected-error {{global variables cannot have __autoreleasing ownership}} 50 51 } 52 53 // rdar://9157348 54 // rdar://15757510 55 56 @interface J 57 @property (retain) id newFoo; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 58 @property (strong) id copyBar; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 59 @property (copy) id allocBaz; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 60 @property (copy, nonatomic) id new; 61 @property (retain) id newDFoo; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 62 @property (strong) id copyDBar; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 63 @property (copy) id allocDBaz; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 64 @end 65 66 @implementation J 67 @synthesize newFoo; 68 @synthesize copyBar; 69 @synthesize allocBaz; 70 @synthesize new; 71 - new {return 0; }; 72 73 @dynamic newDFoo; 74 @dynamic copyDBar; 75 @dynamic allocDBaz; 76 @end 77 78 79 // rdar://10187884 80 @interface Super 81 - (void)bar:(id)b; // expected-note {{parameter declared here}} 82 - (void)bar1:(id) __attribute((ns_consumed)) b; 83 - (void)ok:(id) __attribute((ns_consumed)) b; 84 - (id)ns_non; // expected-note {{method declared here}} 85 - (id)not_ret:(id) b __attribute((ns_returns_not_retained)); // expected-note {{method declared here}} 86 - (id)both__returns_not_retained:(id) b __attribute((ns_returns_not_retained)); 87 @end 88 89 @interface Sub : Super 90 - (void)bar:(id) __attribute((ns_consumed)) b; // expected-error {{overriding method has mismatched ns_consumed attribute on its parameter}} 91 - (void)bar1:(id)b; 92 - (void)ok:(id) __attribute((ns_consumed)) b; 93 - (id)ns_non __attribute((ns_returns_not_retained)); // expected-error {{overriding method has mismatched ns_returns_not_retained attributes}} 94 - (id)not_ret:(id) b __attribute((ns_returns_retained)); // expected-error {{overriding method has mismatched ns_returns_retained attributes}} 95 - (id)both__returns_not_retained:(id) b __attribute((ns_returns_not_retained)); 96 // rdar://12173491 97 @property (copy, nonatomic) __attribute__((ns_returns_retained)) id (^fblock)(void); 98 @end 99 100 // Test that we give a good diagnostic here that mentions the missing 101 // ownership qualifier. We don't want this to get suppressed because 102 // of an invalid conversion. 103 void test7(void) { 104 id x; 105 id *px = &x; // expected-error {{pointer to non-const type 'id' with no explicit ownership}} 106 107 I *y; 108 J **py = &y; // expected-error {{pointer to non-const type 'J *' with no explicit ownership}} expected-warning {{incompatible pointer types initializing}} 109 } 110 111 void func(void) __attribute__((objc_ownership(none))); // expected-warning {{'objc_ownership' only applies to Objective-C object or block pointer types; type here is 'void (void)'}} 112 struct __attribute__((objc_ownership(none))) S2 {}; // expected-error {{'objc_ownership' attribute only applies to variables}} 113 @interface I2 114 @property __attribute__((objc_ownership(frob))) id i; // expected-warning {{'objc_ownership' attribute argument not supported: 'frob'}} 115 @end 116 117 // rdar://15304886 118 @interface NSObject @end 119 120 @interface ControllerClass : NSObject @end 121 122 @interface SomeClassOwnedByController 123 @property (readonly) ControllerClass *controller; // expected-note {{property declared here}} 124 125 // rdar://15465916 126 @property (readonly, weak) ControllerClass *weak_controller; 127 @end 128 129 @interface SomeClassOwnedByController () 130 @property (readwrite, weak) ControllerClass *controller; // expected-warning {{primary property declaration is implicitly strong while redeclaration in class extension is weak}} 131 132 @property (readwrite, weak) ControllerClass *weak_controller; 133 @end 134
