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65599ce1f1
Expressed as `__swift_attr__("~Sendable")` this acts like `: ~Sendable`
on Swift type declarations and supersedes `@_nonSendable(_assumed)`.
Resolves: rdar://140928937
48 lines
1.5 KiB
Swift
48 lines
1.5 KiB
Swift
// RUN: %empty-directory(%t/src)
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// RUN: %empty-directory(%t/sdk)
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// RUN: split-file %s %t/src
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck %t/src/main.swift \
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// RUN: -import-objc-header %t/src/Test.h \
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// RUN: -swift-version 6 \
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// RUN: -enable-experimental-feature TildeSendable \
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// RUN: -module-name main -I %t -verify -verify-ignore-unrelated
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// REQUIRES: objc_interop
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// REQUIRES: swift_feature_TildeSendable
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//--- Test.h
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#define SWIFT_SENDABLE __attribute__((__swift_attr__("@Sendable")))
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#define SWIFT_NONSENDABLE_ASSUMED __attribute__((__swift_attr__("@_nonSendable(_assumed)")))
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#define SWIFT_SUPPRESS_SENDABLE __attribute__((__swift_attr__("~Sendable")))
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@import Foundation;
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// Test that `~Sendable` superseeds `@_nonSendable(_assumed)` on classes.
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SWIFT_NONSENDABLE_ASSUMED
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SWIFT_SUPPRESS_SENDABLE
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@interface Parent : NSObject
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@end
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// Test that `Sendable` superseeds `@_nonSendable(_assumed)` and `~Sendable` from the parent.
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SWIFT_NONSENDABLE_ASSUMED
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SWIFT_SENDABLE
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@interface SendableValue : Parent
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@end
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SWIFT_NONSENDABLE_ASSUMED
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@interface NonSendableValue : Parent
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@end
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//--- main.swift
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func testSendable<T: Sendable>(_: T) {}
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public func test(p: Parent, v: SendableValue, ns: NonSendableValue) {
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testSendable(p) // expected-error {{type 'Parent' does not conform to the 'Sendable' protocol}}
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testSendable(v) // Ok (no diagnostics unable unavailable conformance associated with `Parent`).
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testSendable(ns) // expected-error {{conformance of 'NonSendableValue' to 'Sendable' is unavailable}}
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}
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