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63 lines
2.0 KiB
Swift
63 lines
2.0 KiB
Swift
// RUN: %target-typecheck-verify-swift -enable-objc-interop
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@_cdecl("cdecl_foo") func foo(x: Int) -> Int { return x }
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@_cdecl("") // expected-error{{symbol name cannot be empty}}
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func emptyName(x: Int) -> Int { return x }
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@_cdecl("noBody")
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func noBody(x: Int) -> Int // expected-error{{expected '{' in body of function}}
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@_cdecl("property") // expected-error{{'@_cdecl' attribute cannot be applied to this declaration}}
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var property: Int
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var computed: Int {
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@_cdecl("get_computed") get { return 0 }
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@_cdecl("set_computed") set { return }
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}
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struct SwiftStruct { var x, y: Int }
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enum SwiftEnum { case A, B }
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#if os(Windows) && (arch(x86_64) || arch(arm64))
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@objc enum CEnum: Int32 { case A, B }
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#else
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@objc enum CEnum: Int { case A, B }
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#endif
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@_cdecl("enum") // expected-error {{@_cdecl may only be used on 'func' declarations}}
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enum UnderscoreCDeclEnum: CInt { case A, B }
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@_cdecl("swiftStruct")
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func swiftStruct(x: SwiftStruct) {} // expected-error{{cannot be represented}} expected-note{{Swift struct}}
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@_cdecl("swiftEnum")
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func swiftEnum(x: SwiftEnum) {} // expected-error{{cannot be represented}} expected-note{{Swift enums not marked '@c' or '@objc' cannot be represented in Objective-C}}
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@_cdecl("cEnum")
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func cEnum(x: CEnum) {}
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class Foo {
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@_cdecl("Foo_foo") // expected-error{{can only be applied to global functions}}
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func foo(x: Int) -> Int { return x }
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@_cdecl("Foo_foo_2") // expected-error{{can only be applied to global functions}}
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static func foo(x: Int) -> Int { return x }
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@_cdecl("Foo_init") // expected-error{{'@_cdecl' attribute cannot be applied to this declaration}}
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init() {}
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@_cdecl("Foo_deinit") // expected-error{{'@_cdecl' attribute cannot be applied to this declaration}}
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deinit {}
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}
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func hasNested() {
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@_cdecl("nested") // expected-error{{can only be used in a non-local scope}}
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func nested() { }
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}
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// TODO: Handle error conventions in SILGen for toplevel functions.
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@_cdecl("throwing") // expected-error{{raising errors from @_cdecl functions is not supported}}
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func throwing() throws { }
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// TODO: cdecl name collisions
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