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When ObjC interop is enabled, we complain when the user spells a class that doesn't inherit from NSObject, but still has @objc attached to it. We should offer a bit more help here. Let's check to see if we can insert NSObject into their inheritance clause. rdar://70548656
13 lines
645 B
Swift
13 lines
645 B
Swift
// RUN: %target-swift-frontend -typecheck -verify -enable-objc-interop %s
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// RUN: %target-swift-frontend -typecheck -verify -enable-objc-interop -parse-as-library %s
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// There was a bug where @objc without Foundation was only diagnosed if it
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// appeared before any top-level expressions. The _1 and _2 variants of
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// this test cover both cases.
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@objc class Foo {} // expected-error {{@objc attribute used without importing module 'Foundation'}} expected-error {{only classes that inherit from NSObject can be declared @objc}} {{1-7=}}
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// expected-note@-1 {{inherit from 'NSObject' to silence this error}} {{16-16=: NSObject}}
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#if false
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#endif
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