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