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[Diagnostics] Add support for updating the existing 'available' attribute. #72524
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // RUN: %swift -typecheck -verify -parse-stdlib -module-name Swift -target x86_64-apple-macosx10.10 %s | ||
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| @available(SwiftStdlib 5.1, *) | ||
| func FooForDefineAvailability() {} | ||
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| @available(SwiftStdlib 5.0, *) | ||
| func FooForDefineAvailabilityTest() { | ||
| FooForDefineAvailability() | ||
| // expected-error@-1 {{'FooForDefineAvailability()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } | ||
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| @available(*, unavailable) | ||
| func FooForUnavailable() {} // expected-note {{'FooForUnavailable()' has been explicitly marked unavailable here}} | ||
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| func FooForUnavailableTest() { | ||
| FooForUnavailable() | ||
| // expected-error@-1 {{'FooForUnavailable()' is unavailable}} | ||
| } | ||
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| @available(macOS, introduced: 10.15) | ||
| func FooForAvailability() {} | ||
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| @available(macOS, introduced: 10.10) | ||
| func FooForAvailabilityTest() { | ||
| // expected-note@-1 {{update @available attribute for macOS from '10.10' to '10.15' to meet the requirements of 'FooForAvailability'}} {{24:31-36=10.15}} | ||
| FooForAvailability() | ||
| // expected-error@-1 {{'FooForAvailability()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } | ||
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| @available(macOS 10.15, iOS 13, *) | ||
| func FooForAvailability2() { | ||
| } | ||
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| @available(macOS 10.10, *) | ||
| func FooForAvailability2Test() { | ||
| // expected-note@-1 {{update @available attribute for macOS from '10.10' to '10.15' to meet the requirements of 'FooForAvailability2'}} {{36:18-23=10.15}} | ||
| FooForAvailability2() | ||
| // expected-error@-1 {{'FooForAvailability2()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } | ||
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| @available(macOS 10.15, *) | ||
| func FooForUnavailable2() {} | ||
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| @available(macOS, unavailable) | ||
| func FooForUnavailable2Test() { | ||
| FooForUnavailable2() | ||
| // expected-error@-1 {{'FooForUnavailable2()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } | ||
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| @available(macOS 10.15, *) | ||
| func FooForDeprecated() {} | ||
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| @available(macOS, deprecated: 12) | ||
| func FooForDeprecatedTest() { | ||
| FooForDeprecated() | ||
| // expected-error@-1 {{'FooForDeprecated()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } | ||
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| @available(*, deprecated) | ||
| func FooForDeprecatedTest2() { | ||
| FooForDeprecated() | ||
| // expected-error@-1 {{'FooForDeprecated()' is only available in macOS 10.15 or newer}} | ||
| // expected-note@-2 {{add 'if #available' version check}} | ||
| } |
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This looks like it'll do the right thing for attributes like:
@available(*, unavailable)(just skips it)@available(macOS, introduced: 10.15)@available(macOS 10.15, iOS 13, *)But what if you have something like these? Are there any tests cases like them?
@available(macOS, unavailable)@available(macOS, deprecated: 12)(You could just bail out for these like you do for unconditionally unavailable attributes, or you could make your fix-it insert
, introduced: 11after the platform name in these cases.)Also:
@available(*, deprecated)(For this, you probably either have to bail out or you have to act as though there is no active attribute and offer to insert a new one.)
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For the
deprecated, I personally believe it is unnecessary to continue expanding to support new capabilities.The same for unavailable methods, unless a developer actively removes the
unavailableattribute, we should not consider expanding to support new capabilities.Therefore, I think
returnis a good idea.There was a problem hiding this comment.
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Okay. If you don't want to handle those cases (except by
returning), I would file a follow-up issue suggesting that they could be supported in the future.There was a problem hiding this comment.
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I would also suggest add test cases for those kind of attributes in this PR as extra scenarios if we don't already.