Files
llvm-project/clang/test/SemaObjC/class-unavail-warning.m
Argyrios Kyrtzidis 4ecdd2cff3 [Sema] Check availability of ObjC super class and protocols of a container
in the context of the container itself.

Otherwise we will emit 'unavailable' errors when referencing an unavailable super class
even though the subclass is also marked 'unavailable'.

rdar://20598702

llvm-svn: 235276
2015-04-19 20:15:55 +00:00

101 lines
2.4 KiB
Objective-C

// RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-darwin10 -verify %s
// rdar://9092208
__attribute__((unavailable("not available")))
@interface MyClass { // expected-note 8 {{'MyClass' has been explicitly marked unavailable here}}
@public
void *_test;
MyClass *ivar; // no error.
}
- (id)self;
- new;
+ (void)addObject:(id)anObject;
- (MyClass *)meth; // no error.
@end
@interface Gorf {
MyClass *ivar; // expected-error {{unavailable}}
}
- (MyClass *)meth; // expected-error {{unavailable}}
@end
@interface MyClass (Cat1)
- (MyClass *)meth; // no error.
@end
@interface MyClass (Cat2) // no error.
@end
@implementation MyClass (Cat2) // expected-error {{unavailable}}
@end
int main() {
[MyClass new]; // expected-error {{'MyClass' is unavailable: not available}}
[MyClass self]; // expected-error {{'MyClass' is unavailable: not available}}
[MyClass addObject:((void *)0)]; // expected-error {{'MyClass' is unavailable: not available}}
MyClass *foo = [MyClass new]; // expected-error 2 {{'MyClass' is unavailable: not available}}
return 0;
}
// rdar://16681279
@interface NSObject @end
__attribute__((visibility("default"))) __attribute__((availability(macosx,unavailable)))
@interface Foo : NSObject @end // expected-note 3 {{'Foo' has been explicitly marked unavailable here}}
@interface AppDelegate : NSObject
@end
@class Foo;
@implementation AppDelegate
- (void) applicationDidFinishLaunching
{
Foo *foo = 0; // expected-error {{'Foo' is unavailable}}
}
@end
@class Foo;
Foo *g_foo = 0; // expected-error {{'Foo' is unavailable}}
@class Foo;
@class Foo;
@class Foo;
Foo * f_func() { // expected-error {{'Foo' is unavailable}}
return 0;
}
#define UNAVAILABLE __attribute__((unavailable("not available")))
UNAVAILABLE
@interface Base // expected-note {{unavailable here}}
@end
UNAVAILABLE
@protocol SomeProto // expected-note 4 {{unavailable here}}
@end
@interface Sub : Base<SomeProto> // expected-error 2 {{unavailable}}
@end
@interface IP<SomeProto> // expected-error {{unavailable}}
@end
@protocol SubProt<SomeProto> // expected-error {{unavailable}}
@end
@interface Sub(cat)<SomeProto> // expected-error {{unavailable}}
@end
UNAVAILABLE
@interface UnavailSub : Base<SomeProto> // no error
@end
UNAVAILABLE
@interface UnavailIP<SomeProto> // no error
@end
UNAVAILABLE
@protocol UnavailProt<SomeProto> // no error
@end
@interface UnavailSub(cat)<SomeProto> // no error
@end