llvm/clang/test/Parser/attributes.mm
Erik Pilkington c5a0583400 Add support for attributes on @implementations in Objective-C
We want to make objc_nonlazy_class apply to implementations, but ran into this.
There doesn't seem to be any reason that this isn't supported.

Differential revision: https://reviews.llvm.org/D60542

llvm-svn: 358200
2019-04-11 17:55:30 +00:00

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// RUN: %clang_cc1 -verify -fsyntax-only -Wno-objc-root-class %s
// FIXME: Why isn't this supported? Seems useful for availability attributes at
// the very least.
__attribute__((deprecated)) @class B; // expected-error {{prefix attribute must be followed by an interface, protocol, or implementation}}
__attribute__((deprecated)) @interface A @end
__attribute__((deprecated)) @protocol P0;
__attribute__((deprecated)) @protocol P1
@end
#define EXP __attribute__((visibility("default")))
class EXP C {};
EXP class C2 {}; // expected-warning {{attribute 'visibility' is ignored, place it after "class" to apply attribute to type declaration}}
@interface EXP I @end // expected-error {{postfix attributes are not allowed on Objective-C directives, place them in front of '@interface'}}
EXP @interface I2 @end
@implementation EXP I @end // expected-error-re {{postfix attributes are not allowed on Objective-C directives{{$}}}}
EXP @implementation I2 @end
@class EXP OC; // expected-error-re {{postfix attributes are not allowed on Objective-C directives{{$}}}}
EXP @class OC2; // expected-error {{prefix attribute must be followed by an interface, protocol, or implementation}}
@protocol EXP P @end // expected-error {{postfix attributes are not allowed on Objective-C directives, place them in front of '@protocol'}}
EXP @protocol P2 @end