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b36eb57dbd
Downgrade to a warning until the next language mode. This is necessary since we previously missed coercing macro arguments to parameter types, resulting in cases where closure arguments weren't being treated as `async` when they should have been. rdar://149328745
85 lines
3.7 KiB
Swift
85 lines
3.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %host-build-swift -swift-version 5 -emit-library -o %t/%target-library-name(MacroDefinition) -module-name=MacroDefinition %S/Inputs/syntax_macro_definitions.swift
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// RUN: %target-typecheck-verify-swift -swift-version 6 -load-plugin-library %t/%target-library-name(MacroDefinition) -verify-additional-prefix swift6-
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// RUN: %target-typecheck-verify-swift -swift-version 7 -load-plugin-library %t/%target-library-name(MacroDefinition) -verify-additional-prefix swift7-
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// REQUIRES: swift_swift_parser
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// REQUIRES: swift7
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// https://github.com/swiftlang/swift/issues/80835
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@available(*, noasync)
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func noasyncFn() {}
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@_unavailableFromAsync
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func unavailableFromAsyncFn() {} // expected-note {{'unavailableFromAsyncFn()' declared here}}
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@freestanding(expression)
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macro asyncMacro(_ fn: () async -> Void) = #externalMacro(module: "MacroDefinition", type: "GenericToVoidMacro")
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@freestanding(declaration)
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macro asyncMacroDecl(_ fn: () async -> Void) = #externalMacro(module: "MacroDefinition", type: "EmptyDeclarationMacro")
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@attached(peer)
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macro AsyncMacro(_ fn: () async -> Void) = #externalMacro(module: "MacroDefinition", type: "WrapperMacro")
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func takesAsyncFn(_ fn: () async -> Void) {}
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#asyncMacro {
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defer {
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noasyncFn()
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// expected-swift7-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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}
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noasyncFn()
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// expected-swift7-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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unavailableFromAsyncFn()
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// expected-swift7-error@-1 {{global function 'unavailableFromAsyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'unavailableFromAsyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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// This was always an error.
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let _: () async -> Void = {
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noasyncFn()
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// expected-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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}
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}
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// This was always an error.
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takesAsyncFn {
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noasyncFn()
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// expected-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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}
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#asyncMacroDecl {
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noasyncFn()
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// expected-swift7-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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}
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typealias Magic<T> = T
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// expected-swift7-error@+2 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@+1 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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@AsyncMacro({ noasyncFn() })
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func foo() {
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#asyncMacro(({
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noasyncFn()
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// expected-swift7-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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}))
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#asyncMacroDecl(({
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noasyncFn()
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// expected-swift7-error@-1 {{global function 'noasyncFn' is unavailable from asynchronous contexts}}
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// expected-swift6-warning@-2 {{global function 'noasyncFn' is unavailable from asynchronous contexts; this will be an error in a future Swift language mode}}
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}))
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// This was never treated as async.
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#asyncMacro({
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noasyncFn()
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} as Magic)
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}
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