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Extensions to implementation-only types are accepted at type-checking only if they don't define any public members. However if they declared a conformance to a public type they were also printed in the swiftinterface, making it unparsable because of an unknown type. Still accept such extensions but don't print them. rdar://problem/67516588
50 lines
1.2 KiB
Swift
50 lines
1.2 KiB
Swift
// Test that we don't print extensions to implementation-only imported types.
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -emit-module %s -DIOI_LIB -module-name IOILib -emit-module-path %t/IOILib.swiftmodule
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// RUN: %target-swift-frontend -emit-module %s -DEXPORTED_LIB -module-name IndirectLib -emit-module-path %t/IndirectLib.swiftmodule -I %t
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// RUN: %target-swift-frontend -emit-module %s -DLIB -module-name Lib -emit-module-path %t/Lib.swiftmodule -I %t
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// RUN: %target-swift-frontend-typecheck -emit-module-interface-path %t/out.swiftinterface %s -I %t -swift-version 5 -enable-library-evolution
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// RUN: %FileCheck %s < %t/out.swiftinterface
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#if IOI_LIB
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public struct IOIImportedType {
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public func foo() {}
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}
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#elseif EXPORTED_LIB
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public struct ExportedType {
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public func foo() {}
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}
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#elseif LIB
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@_exported import IndirectLib
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public struct NormalImportedType {
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public func foo() {}
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}
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#else // Client
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import Lib
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@_implementationOnly import IOILib
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public protocol PublicProto {
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func foo()
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}
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extension IOIImportedType : PublicProto {}
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// CHECK-NOT: IOIImportedType
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extension NormalImportedType : PublicProto {}
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// CHECK: extension NormalImportedType
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extension ExportedType : PublicProto {}
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// CHECK: extension ExportedType
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#endif
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