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b412c6c884
When the feature isn't available, use the older `@expression` syntax to work around limitations of older compilers.
39 lines
2.4 KiB
Swift
39 lines
2.4 KiB
Swift
// REQUIRES: asserts
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -typecheck -module-name Macros -emit-module-interface-path %t/Macros.swiftinterface %s
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// RUN: %FileCheck %s < %t/Macros.swiftinterface --check-prefix CHECK
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// RUN: %target-swift-frontend -compile-module-from-interface %t/Macros.swiftinterface -o %t/Macros.swiftmodule
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// CHECK: #if compiler(>=5.3) && $Macros
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// CHECK-NEXT: #if $FreestandingExpressionMacros
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// CHECK-NEXT: @freestanding(expression) public macro publicStringify<T>(_ value: T) -> (T, Swift.String) = #externalMacro(module: "SomeModule", type: "StringifyMacro")
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// CHECK-NEXT: #else
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// CHECK-NEXT: @expression public macro publicStringify<T>(_ value: T) -> (T, Swift.String) = #externalMacro(module: "SomeModule", type: "StringifyMacro")
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// CHECK-NEXT: #endif
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// CHECK-NEXT: #endif
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@freestanding(expression) public macro publicStringify<T>(_ value: T) -> (T, String) = #externalMacro(module: "SomeModule", type: "StringifyMacro")
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// CHECK: #if compiler(>=5.3) && $Macros
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// CHECK-NEXT: #if $FreestandingExpressionMacros
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// CHECK: @freestanding(expression) public macro publicLine<T>() -> T = #externalMacro(module: "SomeModule", type: "Line") where T : Swift.ExpressibleByIntegerLiteral
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// CHECK-NEXT: #else
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// CHECK: @expression public macro publicLine<T>() -> T = #externalMacro(module: "SomeModule", type: "Line") where T : Swift.ExpressibleByIntegerLiteral
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// CHECK-NEXT: #endif
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// CHECK-NEXT: #endif
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@freestanding(expression) public macro publicLine<T: ExpressibleByIntegerLiteral>() -> T = #externalMacro(module: "SomeModule", type: "Line")
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// CHECK: #if compiler(>=5.3) && $Macros
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// CHECK: @attached(accessor) public macro myWrapper() -> () = #externalMacro(module: "SomeModule", type: "Wrapper")
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// CHECK-NEXT: #endif
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@attached(accessor) public macro myWrapper() = #externalMacro(module: "SomeModule", type: "Wrapper")
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// CHECK: #if compiler(>=5.3) && $Macros && $AttachedMacros
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// CHECK: @attached(member, names: named(`init`), prefixed(`$`)) public macro MemberwiseInit() -> () = #externalMacro(module: "SomeModule", type: "MemberwiseInitMacro")
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// CHECK-NEXT: #endif
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@attached(member, names: named(`init`), prefixed(`$`)) public macro MemberwiseInit() -> () = #externalMacro(module: "SomeModule", type: "MemberwiseInitMacro")
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// CHECK-NOT: internalStringify
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@freestanding(expression) macro internalStringify<T>(_ value: T) -> (T, String) = #externalMacro(module: "SomeModule", type: "StringifyMacro")
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