forked from OSchip/llvm-project
121 lines
4.7 KiB
Objective-C
121 lines
4.7 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fobjc-runtime=macosx-10.13.0 -fblocks -fobjc-arc %s -verify
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// RUN: %clang_cc1 -triple x86_64-apple-macosx10.13.0 -fobjc-runtime=macosx-10.13.0 -fblocks -fobjc-arc -xobjective-c++ %s -verify
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#define EXT_RET __attribute__((objc_externally_retained))
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@interface ObjCTy
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@end
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void test1() {
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EXT_RET int a; // expected-warning{{'objc_externally_retained' can only be applied to}}
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EXT_RET __weak ObjCTy *b; // expected-warning{{'objc_externally_retained' can only be applied to}}
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EXT_RET __weak int (^c)(); // expected-warning{{'objc_externally_retained' can only be applied to}}
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EXT_RET int (^d)() = ^{return 0;};
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EXT_RET ObjCTy *e = 0;
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EXT_RET __strong ObjCTy *f = 0;
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e = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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f = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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d = ^{ return 0; }; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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}
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void test2(ObjCTy *a);
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void test2(ObjCTy *a) EXT_RET {
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a = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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}
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EXT_RET ObjCTy *test3; // expected-warning{{'objc_externally_retained' can only be applied to}}
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@interface X // expected-warning{{defined without specifying a base class}} expected-note{{add a super class}}
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-(void)m: (ObjCTy *) p;
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@end
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@implementation X
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-(void)m: (ObjCTy *) p EXT_RET {
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p = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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}
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@end
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void test4() {
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__attribute__((objc_externally_retained(0))) ObjCTy *a; // expected-error{{'objc_externally_retained' attribute takes no arguments}}
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}
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void test5(ObjCTy *first, __strong ObjCTy *second) EXT_RET {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0; // fine
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}
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void test6(ObjCTy *first,
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__strong ObjCTy *second) EXT_RET {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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__attribute__((objc_root_class)) @interface Y @end
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@implementation Y
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- (void)test7:(__strong ObjCTy *)first
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withThird:(ObjCTy *)second EXT_RET {
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first = 0;
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second = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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}
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@end
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void (^blk)(ObjCTy *, ObjCTy *) =
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^(__strong ObjCTy *first, ObjCTy *second) EXT_RET {
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first = 0;
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second = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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};
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void (^blk2)(ObjCTy *, ObjCTy *) =
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^(__strong ObjCTy *first, ObjCTy *second) __attribute__((objc_externally_retained)) {
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first = 0;
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second = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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};
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void test8(EXT_RET ObjCTy *x) {} // expected-warning{{'objc_externally_retained' attribute only applies to variables}}
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#pragma clang attribute ext_ret.push(__attribute__((objc_externally_retained)), apply_to=any(function, block, objc_method))
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void test9(ObjCTy *first, __strong ObjCTy *second) {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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void (^test10)(ObjCTy *first, ObjCTy *second) = ^(ObjCTy *first, __strong ObjCTy *second) {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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};
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__attribute__((objc_root_class)) @interface Test11 @end
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@implementation Test11
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-(void)meth: (ObjCTy *)first withSecond:(__strong ObjCTy *)second {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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+(void)othermeth: (ObjCTy *)first withSecond:(__strong ObjCTy *)second {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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@end
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#if __cplusplus
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class Test12 {
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void inline_member(ObjCTy *first, __strong ObjCTy *second) {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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static void static_inline_member(ObjCTy *first, __strong ObjCTy *second) {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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}
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};
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#endif
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void test13(ObjCTy *first, __weak ObjCTy *second, __unsafe_unretained ObjCTy *third, __strong ObjCTy *fourth) {
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first = 0; // expected-error{{variable declared with 'objc_externally_retained' cannot be modified in ARC}}
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second = 0;
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third = 0;
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fourth = 0;
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}
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#pragma clang attribute ext_ret.pop
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