36 lines
1.4 KiB
Objective-C
36 lines
1.4 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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typedef struct objc_object {
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struct objc_class *isa;
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} *id;
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@interface NSObject {
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struct objc_class *isa;
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}
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@end
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@interface Whatever : NSObject
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+self;
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@end
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static void func() {
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id x;
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// rdar://8290002
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[(*x).isa self]; // expected-warning {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}}
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[x->isa self]; // expected-warning {{direct access to objective-c's isa is deprecated in favor of object_setClass() and object_getClass()}}
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Whatever *y;
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// GCC allows this, with the following warning:
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// instance variable 'isa' is @protected; this will be a hard error in the future
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//
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// FIXME: see if we can avoid the 2 warnings that follow the error.
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[(*y).isa self]; // expected-error {{instance variable 'isa' is protected}} \
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expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \
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expected-warning{{method '-self' not found (return type defaults to 'id')}}
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[y->isa self]; // expected-error {{instance variable 'isa' is protected}} \
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expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \
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expected-warning{{method '-self' not found (return type defaults to 'id')}}
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}
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