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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.
30 lines
1.6 KiB
Swift
30 lines
1.6 KiB
Swift
// Please keep this file in alphabetical order!
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// REQUIRES: objc_interop
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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
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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
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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
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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) -import-objc-header %S/Inputs/error-delegate.h -emit-module -o %t %s
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// RUN: %target-swift-frontend(mock-sdk: -sdk %S/../Inputs/clang-importer-sdk -I %t) -import-objc-header %S/Inputs/error-delegate.h -parse-as-library %t/error-delegate.swiftmodule -typecheck -verify -emit-objc-header-path %t/error-delegate.h
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// RUN: %FileCheck %s < %t/error-delegate.h
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// RUN: %check-in-clang %t/error-delegate.h
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import Foundation
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// CHECK-LABEL: @interface Test : NSObject <ABCErrorProtocol>
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// CHECK-NEXT: - (void)didFail:(NSError * _Nonnull)error;
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// CHECK-NEXT: - (void)didFailOptional:(NSError * _Nullable)error;
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// CHECK-NEXT: - (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
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// CHECK-NEXT: @end
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class Test : NSObject, ABCErrorProtocol {
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func didFail(_ error: Swift.Error) {}
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func didFailOptional(_ error: Swift.Error?) {}
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}
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