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48 lines
3.5 KiB
Swift
48 lines
3.5 KiB
Swift
// Checks for SPI declarations and limited exposability
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// RUN: %empty-directory(%t)
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// RUN: %target-typecheck-verify-swift -I %t -verify-ignore-unknown -enable-library-evolution -swift-version 5
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// SPI declarations
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@_spi(MySPI) public func spiFunc() {} // expected-note {{global function 'spiFunc()' is not '@usableFromInline' or public}}
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@_spi(+) public func invalidSPIName() {} // expected-error {{expected an SPI identifier as subject of the '@_spi' attribute}}
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@_spi(🤔) public func emojiNamedSPI() {}
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@_spi() public func emptyParensSPI() {} // expected-error {{expected an SPI identifier as subject of the '@_spi' attribute}}
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@_spi(set) public func keywordSPI() {} // expected-error {{expected an SPI identifier as subject of the '@_spi' attribute}}
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@_spi(S) public class SPIClass {} // expected-note 2 {{type declared here}}
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// expected-note @-1 2 {{class 'SPIClass' is not '@usableFromInline' or public}}
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class InternalClass {} // expected-note 2 {{type declared here}}
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private class PrivateClass {} // expected-note 2 {{type declared here}}
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@_spi(S) public protocol SPIProtocol {} // expected-note {{type declared here}}
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@_spi(S) public func useOfSPITypeOk(_ p0: SPIProtocol, p1: SPIClass) -> SPIClass { fatalError() } // OK
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public func useOfSPITypeInvalid() -> SPIClass { fatalError() } // expected-error {{function cannot be declared public because its result uses an '@_spi' type}}
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@_spi(S) public func spiUseOfInternalType() -> InternalClass { fatalError() } // expected-error{{function cannot be declared '@_spi' because its result uses an internal type}}
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@_spi(S) public func spiUseOfPrivateType(_ a: PrivateClass) { fatalError() } // expected-error{{function cannot be declared '@_spi' because its parameter uses a private type}}
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@inlinable
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func inlinable() -> SPIClass { // expected-error {{class 'SPIClass' is '@_spi' and cannot be referenced from an '@inlinable' function}}
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spiFunc() // expected-error {{global function 'spiFunc()' is '@_spi' and cannot be referenced from an '@inlinable' function}}
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_ = SPIClass() // expected-error {{class 'SPIClass' is '@_spi' and cannot be referenced from an '@inlinable' function}}
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}
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@_spi(S) public struct SPIStruct {} // expected-note 2 {{struct 'SPIStruct' is not '@usableFromInline' or public}}
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@frozen public struct FrozenStruct {
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@_spi(S) public var asdf = SPIStruct() // expected-error {{struct 'SPIStruct' is '@_spi' and cannot be referenced from a property initializer in a '@frozen' type}}
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var asdf = SPIStruct() // expected-error {{struct 'SPIStruct' is '@_spi' and cannot be referenced from a property initializer in a '@frozen' type}}
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}
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private protocol PrivateProtocol {} // expected-note {{type declared here}}
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@_spi(S) public class BadSubclass : InternalClass {} // expected-error{{class cannot be declared public because its superclass is internal}}
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@_spi(S) public class OkSPISubclass : SPIClass {} // OK
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public class BadPublicClass : SPIClass {} // expected-error {{class cannot be declared public because its superclass is '@_spi'}}
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@_spi(S) public class BadSPIClass : PrivateClass {} // expected-error {{class cannot be declared public because its superclass is private}}
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@_spi(s) public func genFunc<T: PrivateProtocol>(_ t: T) {} // expected-error {{global function cannot be declared public because its generic parameter uses a private type}}
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public func genFuncBad<T: SPIProtocol>(_ t: T) {} // expected-error {{global function cannot be declared public because its generic parameter uses an '@_spi' type}}
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@_spi(S) public func genFuncSPI<T: SPIProtocol>(_ t: T) {} // OK
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