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c6fc53e844
Introduce availability macros defined by a frontend flag.
This feature makes it possible to set the availability
versions at the moment of compilation instead of having
it hard coded in the sources. It can be used by projects
with a need to change the availability depending on the
compilation context while using the same sources.
The availability macro is defined with the `-define-availability` flag:
swift MyLib.swift -define-availability "_iOS8Aligned:macOS 10.10, iOS 8.0" ..
The macro can be used in code instead of a platform name and version:
@available(_iOS8Aligned, *)
public func foo() {}
rdar://problem/65612624
30 lines
1.2 KiB
Swift
30 lines
1.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -swift-version 5 -enable-library-evolution -typecheck -module-name Test -emit-module-interface-path %t/Test.swiftinterface %s -define-availability "_iOS8Aligned:macOS 10.10, iOS 8.0" -define-availability "_iOS9Aligned:macOS 10.11, iOS 9.0" -define-availability "_iOS9:iOS 9.0" -define-availability "_macOS10_11:macOS 10.11" -define-availability "_myProject 1.0:macOS 10.11" -define-availability "_myProject 2.5:macOS 10.12"
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// RUN: %FileCheck %s < %t/Test.swiftinterface
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@available(_iOS8Aligned, *)
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public func onMacOS10_10() {}
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// CHECK: @available(macOS 10.10, iOS 8.0, *)
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// CHECK-NEXT: public func onMacOS10_10
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@available(_iOS9Aligned, *)
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public func onMacOS10_11() {}
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// CHECK: @available(macOS 10.11, iOS 9.0, *)
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// CHECK-NEXT: public func onMacOS10_11()
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@available(_iOS9, _macOS10_11, tvOS 11.0, *)
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public func composed() {}
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// CHECK: @available(iOS 9.0, macOS 10.11, tvOS 11.0, *)
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// CHECK-NEXT: public func composed()
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@available(_myProject 1.0, *)
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public func onMyProjectV1() {}
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// CHECK: @available(macOS 10.11, *)
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// CHECK-NEXT: public func onMyProjectV1
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@available(_myProject 2.5, *)
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public func onMyProjectV2_5() {}
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// CHECK: @available(macOS 10.12, *)
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// CHECK-NEXT: public func onMyProjectV2_5
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