1 // RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s 2 3 #if __has_feature(attribute_cf_returns_on_parameters) 4 # error "okay!" 5 // expected-error@-1 {{okay!}} 6 #else 7 # error "uh-oh" 8 #endif 9 10 #define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) 11 #define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) 12 13 int x CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions, methods, and parameters}} 14 int y CF_RETURNS_NOT_RETAINED; // expected-warning{{'cf_returns_not_retained' attribute only applies to functions, methods, and parameters}} 15 16 typedef struct __CFFoo *CFFooRef; 17 18 int invalid1() CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions that return a pointer}} 19 void invalid2() CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions that return a pointer}} 20 21 CFFooRef valid1() CF_RETURNS_RETAINED; 22 id valid2() CF_RETURNS_RETAINED; 23 24 @interface Test 25 - (int)invalid1 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to methods that return a pointer}} 26 - (void)invalid2 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to methods that return a pointer}} 27 28 - (CFFooRef)valid1 CF_RETURNS_RETAINED; 29 - (id)valid2 CF_RETURNS_RETAINED; 30 31 @property int invalidProp1 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to properties that return a pointer}} 32 @property void invalidProp2 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to properties that return a pointer}} 33 34 @property CFFooRef valid1 CF_RETURNS_RETAINED; 35 @property id valid2 CF_RETURNS_RETAINED; 36 @end 37 38 void invalidParam(int a CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 39 int *b CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 40 id c CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 41 void *d CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 42 CFFooRef e CF_RETURNS_RETAINED); // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 43 44 void validParam(id *a CF_RETURNS_RETAINED, 45 CFFooRef *b CF_RETURNS_RETAINED, 46 void **c CF_RETURNS_RETAINED); 47 void validParam2(id *a CF_RETURNS_NOT_RETAINED, 48 CFFooRef *b CF_RETURNS_NOT_RETAINED, 49 void **c CF_RETURNS_NOT_RETAINED); 50
