1 // RUN: %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -verify -Wno-objc-root-class %s
6 id x; // expected-error {{ARC forbids Objective-C objects in struct}}
10 id u; // expected-error {{ARC forbids Objective-C objects in union}}
16 id y[10][20]; // expected-error {{ARC forbids Objective-C objects in struct}}
26 id (^block) (); // expected-error {{ARC forbids blocks in struct}}
30 id __attribute__((objc_ownership(none))) i;
39 __autoreleasing id X; // expected-error {{global variables cannot have __autoreleasing ownership}}
40 __autoreleasing NSError *E; // expected-error {{global variables cannot have __autoreleasing ownership}}
43 extern id __autoreleasing X1; // expected-error {{global variables cannot have __autoreleasing ownership}}
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}}
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}}
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}}
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}}
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
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}}
93 @interface MethodFamilyDiags (Redeclarations)
94 - (id)newGarply; // no note here
97 @implementation MethodFamilyDiags
98 @synthesize newGarply;
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));
112 @interface Sub : Super
113 - (void)bar:(id) __attribute((ns_consumed)) b; // expected-error {{overriding method has mismatched ns_consumed attribute on its parameter}}
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));
120 @property (copy, nonatomic) __attribute__((ns_returns_retained)) id (^fblock)(void);
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.
128 id *px = &x; // expected-error {{pointer to non-const type 'id' with no explicit ownership}}
131 J **py = &y; // expected-error {{pointer to non-const type 'J *' with no explicit ownership}} expected-warning {{incompatible pointer types initializing}}
134 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)'}}
135 struct __attribute__((objc_ownership(none))) S2 {}; // expected-error {{'objc_ownership' attribute only applies to variables}}
137 @property __attribute__((objc_ownership(frob))) id i; // expected-warning {{'objc_ownership' attribute argument not supported: 'frob'}}
141 @interface NSObject @end
143 @interface ControllerClass : NSObject @end
145 @interface SomeClassOwnedByController
146 @property (readonly) ControllerClass *controller; // expected-note {{property declared here}}
149 @property (readonly, weak) ControllerClass *weak_controller;
152 @interface SomeClassOwnedByController ()
153 @property (readwrite, weak) ControllerClass *controller; // expected-warning {{primary property declaration is implicitly strong while redeclaration in class extension is weak}}
155 @property (readwrite, weak) ControllerClass *weak_controller;