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The @_versioned accessibility check is done against the formal access. But the diagnostics is printed with getAccessForDiagnostics. In cases where the effective access is internal, the diagnostics will crash. Example:
```
class A { // implicitly internal
@_versioned public var a: Int = 0 // explicity public
}
```
47 lines
1.5 KiB
Swift
47 lines
1.5 KiB
Swift
// RUN: %target-typecheck-verify-swift
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@_versioned private func privateVersioned() {}
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// expected-error@-1 {{'@_versioned' attribute can only be applied to internal declarations, but 'privateVersioned' is private}}
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@_versioned fileprivate func fileprivateVersioned() {}
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// expected-error@-1 {{'@_versioned' attribute can only be applied to internal declarations, but 'fileprivateVersioned' is fileprivate}}
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@_versioned internal func internalVersioned() {}
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// OK
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@_versioned func implicitInternalVersioned() {}
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// OK
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@_versioned public func publicVersioned() {}
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// expected-error@-1 {{'@_versioned' attribute can only be applied to internal declarations, but 'publicVersioned' is public}}
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internal class internalClass {
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@_versioned public func publicVersioned() {}
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// expected-error@-1 {{'@_versioned' attribute can only be applied to internal declarations, but 'publicVersioned' is public}}
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}
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fileprivate class filePrivateClass {
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@_versioned internal func internalVersioned() {}
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}
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@_versioned struct S {
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var x: Int
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@_versioned var y: Int
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}
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@_versioned extension S {}
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// expected-error@-1 {{@_versioned cannot be applied to this declaration}}
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@_versioned
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protocol VersionedProtocol {
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associatedtype T
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func requirement() -> T
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public func publicRequirement() -> T
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// expected-error@-1 {{'public' modifier cannot be used in protocols}}
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@_versioned func versionedRequirement() -> T
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// expected-error@-1 {{'@_versioned' attribute cannot be used in protocols}}
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}
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