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// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/UnavailableFunction.swiftmodule -module-name UnavailableFunction -strict-concurrency=complete %S/Inputs/UnavailableFunction.swift
// RUN: %target-swift-frontend -verify -I %t %s -emit-sil -o /dev/null
// RUN: %target-swift-frontend -verify -I %t %s -emit-sil -o /dev/null -strict-concurrency=targeted
// RUN: %target-swift-frontend -verify -I %t %s -emit-sil -o /dev/null -strict-concurrency=complete
// REQUIRES: concurrency
// REQUIRES: asserts
import UnavailableFunction
@available(SwiftStdlib 5.1, *)
func okay() {}
// expected-error@+1{{'@_unavailableFromAsync' attribute cannot be applied to this declaration}}
@_unavailableFromAsync
@available(SwiftStdlib 5.1, *)
struct Foo { }
// expected-error@+1{{'@_unavailableFromAsync' attribute cannot be applied to this declaration}}
@_unavailableFromAsync
@available(SwiftStdlib 5.1, *)
extension Foo { }
// expected-error@+1{{'@_unavailableFromAsync' attribute cannot be applied to this declaration}}
@_unavailableFromAsync
@available(SwiftStdlib 5.1, *)
class Bar {
// expected-error@+1{{'@_unavailableFromAsync' attribute cannot be applied to this declaration}}
@_unavailableFromAsync
deinit { }
}
// expected-error@+1{{'@_unavailableFromAsync' attribute cannot be applied to this declaration}}
@_unavailableFromAsync
@available(SwiftStdlib 5.1, *)
actor Baz { }
@available(SwiftStdlib 5.1, *)
struct Bop {
@_unavailableFromAsync(message: "Use Bop(a: Int) instead")
init() {} // expected-note 4 {{'init()' declared here}}
init(a: Int) { }
}
@available(SwiftStdlib 5.1, *)
extension Bop {
@_unavailableFromAsync
func foo() {} // expected-note 4 {{'foo()' declared here}}
@_unavailableFromAsync
mutating func muppet() { } // expected-note 4 {{'muppet()' declared here}}
}
@_unavailableFromAsync
@available(SwiftStdlib 5.1, *)
func foo() {} // expected-note 4 {{'foo()' declared here}}
@available(SwiftStdlib 5.1, *)
func makeAsyncClosuresSynchronously(bop: inout Bop) -> (() async -> Void) {
return { () async -> Void in
// Unavailable methods
_ = Bop() // expected-warning@:9{{'init' is unavailable from asynchronous contexts; Use Bop(a: Int) instead}}
_ = Bop(a: 32)
bop.foo() // expected-warning@:9{{'foo' is unavailable from asynchronous contexts}}
bop.muppet() // expected-warning@:9{{'muppet' is unavailable from asynchronous contexts}}
unavailableFunction() // expected-warning@:5{{'unavailableFunction' is unavailable from asynchronous contexts}}
noasyncFunction() // expected-warning@:5{{'noasyncFunction' is unavailable from asynchronous contexts}}
// Can use them from synchronous closures
_ = { Bop() }()
_ = { bop.foo() }()
_ = { bop.muppet() }()
_ = { noasyncFunction() }()
// Unavailable global function
foo() // expected-warning{{'foo' is unavailable from asynchronous contexts}}
// Okay function
okay()
}
}
@available(SwiftStdlib 5.1, *)
@_unavailableFromAsync
func asyncFunc() async { // expected-error{{asynchronous global function 'asyncFunc()' must be available from asynchronous contexts}}
var bop = Bop(a: 32)
_ = Bop() // expected-warning@:7{{'init' is unavailable from asynchronous contexts; Use Bop(a: Int) instead}}
bop.foo() // expected-warning@:7{{'foo' is unavailable from asynchronous contexts}}
bop.muppet() // expected-warning@:7{{'muppet' is unavailable from asynchronous contexts}}
unavailableFunction() // expected-warning@:3{{'unavailableFunction' is unavailable from asynchronous contexts}}
noasyncFunction() // expected-warning@:3{{'noasyncFunction' is unavailable from asynchronous contexts}}
// Unavailable global function
foo() // expected-warning{{'foo' is unavailable from asynchronous contexts}}
// Available function
okay()
_ = { () -> Void in
// Check unavailable things inside of a nested synchronous closure
_ = Bop()
foo()
bop.foo()
bop.muppet()
unavailableFunction()
noasyncFunction()
_ = { () async -> Void in
// Check Unavailable things inside of a nested async closure
foo() // expected-warning@:7{{'foo' is unavailable from asynchronous contexts}}
bop.foo() // expected-warning@:11{{'foo' is unavailable from asynchronous contexts}}
bop.muppet() // expected-warning@:11{{'muppet' is unavailable from asynchronous contexts}}
_ = Bop() // expected-warning@:11{{'init' is unavailable from asynchronous contexts; Use Bop(a: Int) instead}}
unavailableFunction() // expected-warning@:7{{'unavailableFunction' is unavailable from asynchronous contexts}}
noasyncFunction() // expected-warning@:7{{'noasyncFunction' is unavailable from asynchronous contexts}}
}
}
_ = { () async -> Void in
_ = Bop() // expected-warning@:9{{'init' is unavailable from asynchronous contexts; Use Bop(a: Int) instead}}
foo() // expected-warning@:5{{'foo' is unavailable from asynchronous contexts}}
bop.foo() // expected-warning@:9{{'foo' is unavailable from asynchronous contexts}}
bop.muppet() // expected-warning@:9{{'muppet' is unavailable from asynchronous contexts}}
unavailableFunction() // expected-warning@:5{{'unavailableFunction' is unavailable from asynchronous contexts}}
noasyncFunction() // expected-warning@:5{{'noasyncFunction' is unavailable from asynchronous contexts}}
_ = {
foo()
bop.foo()
_ = Bop()
unavailableFunction()
}
}
}
// Parsing tests
// expected-error@+2 {{expected declaration}}
// expected-error@+1:24{{unknown option 'nope' for attribute '_unavailableFromAsync'}}
@_unavailableFromAsync(nope: "almost right, but not quite")
func blarp1() {}
// expected-error@+2 {{expected declaration}}
// expected-error@+1 {{expected ':' after label 'message'}}
@_unavailableFromAsync(message; "almost right, but not quite")
func blarp2() {}
// expected-error@+1:31 {{'=' has been replaced with ':' in attribute arguments}}{{31-32=: }}
@_unavailableFromAsync(message="almost right, but not quite")
func blarp3() {}
// expected-error@+2 {{expected declaration}}
// expected-error@+1 {{expected string literal in '_unavailableFromAsync' attribute}}
@_unavailableFromAsync(message: 32)
func blarp4() {}
// expected-error@+2 {{expected declaration}}
// expected-error@+1 {{message cannot be an interpolated string}}
@_unavailableFromAsync(message: "blarppy blarp \(31 + 10)")
func blarp5() {}
// expected-error@+1:48 {{expected ')' in '_unavailableFromAsync' attribute}}{{48-48=)}}
@_unavailableFromAsync(message: "blarppy blarp"
func blarp6() {}
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