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https://github.com/apple/swift.git
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Robert Widmann
557185f27d
Relax the foreign representable predicate to enable (ownership-audited) CF Types to be specified as parameters and return types of Swift implementations. Resolves rdar://175682727
39 lines
1.2 KiB
Swift
39 lines
1.2 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-silgen -import-objc-header %S/Inputs/c_implementation.h -swift-version 6 %s -target %target-stable-abi-triple > %t
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// RUN: %FileCheck --input-file %t %s
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// REQUIRES: objc_interop
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import Foundation
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@_silgen_name("getString")
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func getString() -> String
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@c @implementation
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func returns_retained() -> CFString? {
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return getString() as CFString
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}
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// CHECK-LABEL: sil{{.*}} @$s16c_implementation16returns_retainedSo11CFStringRefaSgyFTo : $@convention(c) () -> @owned Optional<CFString> {
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@c @implementation
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func returns_not_retained() -> CFString? {
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return getString() as CFString
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}
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// CHECK-LABEL: sil{{.*}} @$s16c_implementation20returns_not_retainedSo11CFStringRefaSgyFTo : $@convention(c) () -> @autoreleased Optional<CFString> {
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@c @implementation
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func passes_borrowed(_ string: CFString?) {
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}
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// CHECK-LABEL: sil{{.*}} @$s16c_implementation15passes_borrowedyySo11CFStringRefaSgFTo : $@convention(c) (Optional<CFString>) -> () {
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@c @implementation
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func passes_consumed(_ string: consuming CFString?) {
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}
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// CHECK-LABEL: sil{{.*}} @$s16c_implementation15passes_consumedyySo11CFStringRefaSgnFTo : $@convention(c) (@owned Optional<CFString>) -> () {
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