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da07ff577c
PrintAsClang is supposed to emit declarations in the same order regardless of the compiler’s internal state, but we have repeatedly found that our current criteria are inadequate, resulting in non-functionality-affecting changes to generated header content. Add a diagnostic that’s emitted when this happens soliciting a bug report. Since there *should* be no cases where the compiler fails to order declarations, this diagnostic is never actually emitted. Instead, we test this change by enabling `-verify` on nearly all PrintAsClang tests to make sure they are unaffected. This did demonstrate a missing criterion that only mattered in C++ mode: extensions that varied only in their generic signature were not sorted stably. Add a sort criterion for this.
52 lines
2.7 KiB
Swift
52 lines
2.7 KiB
Swift
// Please keep this file in alphabetical order!
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// REQUIRES: objc_interop
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// REQUIRES: swift_feature_CImplementation
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// Temporarily disable on arm64e (rdar://127675057)
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// UNSUPPORTED: CPU=arm64e
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// RUN: %empty-directory(%t)
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// FIXME: BEGIN -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/ObjectiveC.swift -disable-objc-attr-requires-foundation-module -target %target-stable-abi-triple
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/CoreGraphics.swift -target %target-stable-abi-triple
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -o %t %S/../Inputs/clang-importer-sdk/swift-modules/Foundation.swift -target %target-stable-abi-triple
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// FIXME: END -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -emit-module -enable-experimental-feature CImplementation -I %S/Inputs/custom-modules -import-underlying-module -o %t %s -disable-objc-attr-requires-foundation-module -target %target-stable-abi-triple
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -parse-as-library %t/objc_implementation.swiftmodule -typecheck -verify -emit-objc-header-path %t/objc_implementation-Swift.h -enable-experimental-feature CImplementation -I %S/Inputs/custom-modules -import-underlying-module -disable-objc-attr-requires-foundation-module -target %target-stable-abi-triple
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// RUN: %FileCheck %s --input-file %t/objc_implementation-Swift.h
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// RUN: %FileCheck --check-prefix=NEGATIVE %s --input-file %t/objc_implementation-Swift.h
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// RUN: %check-in-clang -I %S/Inputs/custom-modules/ %t/objc_implementation-Swift.h
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// RUN: %check-in-clang -I %S/Inputs/custom-modules/ -fno-modules -Qunused-arguments %t/objc_implementation-Swift.h
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import Foundation
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extension ObjCClass {
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// CHECK: - (id _Nullable)pureSwiftMethod SWIFT_WARN_UNUSED_RESULT;
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@objc public func pureSwiftMethod() -> Any? { nil }
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}
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@_objcImplementation extension ObjCClass {
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// NEGATIVE-NOT: )init{{ }}
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// Implicit `override init()` to override superclass
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// NEGATIVE-NOT: )swiftMethod{{ }}
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@objc public func swiftMethod() -> Any? { nil }
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// NEGATIVE-NOT: )privateMethod{{ }}
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@objc private func privateMethod() -> Any? { nil }
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}
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// Has no contents that need to be printed
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// NEGATIVE-NOT: ObjCClass2
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@_objcImplementation extension ObjCClass2 {
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// NEGATIVE-NOT: )init{{ }}
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public override init() { }
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}
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@_cdecl("CImplFunc") @_objcImplementation func CImplFunc() {}
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// NEGATIVE-NOT: CImplFunc(
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