1// RUN: %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -verify -Wno-objc-root-class %s 2 3// rdar://8843524 4 5struct A { 6 id x; // expected-error {{ARC forbids Objective-C objects in struct}} 7}; 8 9union 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 25struct r10260525 { 26 id (^block) (); // expected-error {{ARC forbids blocks in struct}} 27}; 28 29struct 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 43extern id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}} 44 45void 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}} expected-note{{explicitly declare getter '-newFoo' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 58@property (strong) id copyBar; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note{{explicitly declare getter '-copyBar' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 59@property (copy) id allocBaz; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note{{explicitly declare getter '-allocBaz' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 60@property (copy, nonatomic) id new; 61@property (retain) id newDFoo; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note{{explicitly declare getter '-newDFoo' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 62@property (strong) id copyDBar; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note{{explicitly declare getter '-copyDBar' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 63@property (copy) id allocDBaz; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note{{explicitly declare getter '-allocDBaz' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 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@interface MethodFamilyDiags 80@property (retain) id newFoo; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 81- (id)newFoo; // expected-note {{explicitly declare getter '-newFoo' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 82 83#define OBJC_METHOD_FAMILY_NONE __attribute__((objc_method_family(none))) 84- (id)newBar; // expected-note {{explicitly declare getter '-newBar' with 'OBJC_METHOD_FAMILY_NONE' to return an 'unowned' object}} 85@property (retain) id newBar; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} 86 87@property (retain) id newBaz; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note {{explicitly declare getter '-newBaz' with 'OBJC_METHOD_FAMILY_NONE' to return an 'unowned' object}} 88#undef OBJC_METHOD_FAMILY_NONE 89 90@property (retain, readonly) id newGarply; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} expected-note {{explicitly declare getter '-newGarply' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 91@end 92 93@interface MethodFamilyDiags (Redeclarations) 94- (id)newGarply; // no note here 95@end 96 97@implementation MethodFamilyDiags 98@synthesize newGarply; 99@end 100 101 102// rdar://10187884 103@interface Super 104- (void)bar:(id)b; // expected-note {{parameter declared here}} 105- (void)bar1:(id) __attribute((ns_consumed)) b; 106- (void)ok:(id) __attribute((ns_consumed)) b; 107- (id)ns_non; // expected-note {{method declared here}} 108- (id)not_ret:(id) b __attribute((ns_returns_not_retained)); // expected-note {{method declared here}} 109- (id)both__returns_not_retained:(id) b __attribute((ns_returns_not_retained)); 110@end 111 112@interface Sub : Super 113- (void)bar:(id) __attribute((ns_consumed)) b; // expected-error {{overriding method has mismatched ns_consumed attribute on its parameter}} 114- (void)bar1:(id)b; 115- (void)ok:(id) __attribute((ns_consumed)) b; 116- (id)ns_non __attribute((ns_returns_not_retained)); // expected-error {{overriding method has mismatched ns_returns_not_retained attributes}} 117- (id)not_ret:(id) b __attribute((ns_returns_retained)); // expected-error {{overriding method has mismatched ns_returns_retained attributes}} 118- (id)both__returns_not_retained:(id) b __attribute((ns_returns_not_retained)); 119// rdar://12173491 120@property (copy, nonatomic) __attribute__((ns_returns_retained)) id (^fblock)(void); 121@end 122 123// Test that we give a good diagnostic here that mentions the missing 124// ownership qualifier. We don't want this to get suppressed because 125// of an invalid conversion. 126void test7(void) { 127 id x; 128 id *px = &x; // expected-error {{pointer to non-const type 'id' with no explicit ownership}} 129 130 I *y; 131 J **py = &y; // expected-error {{pointer to non-const type 'J *' with no explicit ownership}} expected-warning {{incompatible pointer types initializing}} 132} 133 134void 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)'}} 135struct __attribute__((objc_ownership(none))) S2 {}; // expected-error {{'objc_ownership' attribute only applies to variables}} 136@interface I2 137 @property __attribute__((objc_ownership(frob))) id i; // expected-warning {{'objc_ownership' attribute argument not supported: 'frob'}} 138@end 139 140// rdar://15304886 141@interface NSObject @end 142 143@interface ControllerClass : NSObject @end 144 145@interface SomeClassOwnedByController 146@property (readonly) ControllerClass *controller; // expected-note {{property declared here}} 147 148// rdar://15465916 149@property (readonly, weak) ControllerClass *weak_controller; 150@end 151 152@interface SomeClassOwnedByController () 153@property (readwrite, weak) ControllerClass *controller; // expected-warning {{primary property declaration is implicitly strong while redeclaration in class extension is weak}} 154 155@property (readwrite, weak) ControllerClass *weak_controller; 156@end 157