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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.
53 lines
2.4 KiB
Swift
53 lines
2.4 KiB
Swift
// Please keep this file in alphabetical order!
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend -target %target-pre-stable-abi-triple -emit-module-path %t/resilient_struct.swiftmodule %S/../Inputs/resilient_struct.swift -enable-library-evolution
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -target %target-pre-stable-abi-triple -emit-module-path %t/resilient_objc_class.swiftmodule %S/../Inputs/resilient_objc_class.swift -I %t -enable-library-evolution -emit-objc-header-path %t/resilient_objc_class.h
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// RUN: cp %S/Inputs/custom-modules/module.modulemap %t/module.modulemap
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -target %target-pre-stable-abi-triple %s -module-name resilient -typecheck -verify -emit-objc-header-path %t/resilient.h -I %t -enable-library-evolution
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// RUN: %FileCheck %s --check-prefix=NO-STUBS < %t/resilient.h
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// RUN: %check-in-clang %t/resilient.h -I %t
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// REQUIRES: objc_interop
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// UNSUPPORTED: OS=iosmac
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// UNSUPPORTED: OS=xros
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// See also resilient-ancestry.swift, for the stable ABI deployment target test.
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import Foundation
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import resilient_objc_class
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// Note: @_fixed_layout on a class only applies to the storage layout and
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// not metadata, which remains resilient.
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// NO-STUBS-NOT: FixedLayoutNSObjectSubclass
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// CHECK-LABEL: SWIFT_RESILIENT_CLASS("_TtC9resilient27FixedLayoutNSObjectSubclass")
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// CHECK-NEXT: @interface FixedLayoutNSObjectSubclass : FixedLayoutNSObjectOutsideParent
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// CHECK-NEXT: - (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
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// CHECK-NEXT: @end
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@_fixed_layout
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public class FixedLayoutNSObjectSubclass : FixedLayoutNSObjectOutsideParent {}
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// NO-STUBS-NOT: ResilientNSObjectSubclass
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// CHECK-LABEL: SWIFT_RESILIENT_CLASS("_TtC9resilient25ResilientNSObjectSubclass")
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// CHECK-NEXT: @interface ResilientNSObjectSubclass : ResilientNSObjectOutsideParent
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// CHECK-NEXT: - (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
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// CHECK-NEXT: @end
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public class ResilientNSObjectSubclass : ResilientNSObjectOutsideParent {}
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// NO-STUBS-NOT: RenamedNSObjectSubclass
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// CHECK-LABEL: SWIFT_RESILIENT_CLASS_NAMED("UnrenamedNSObjectSubclass")
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// CHECK-NEXT: @interface RenamedNSObjectSubclass : ResilientNSObjectOutsideParent
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// CHECK-NEXT: - (nonnull instancetype)init OBJC_DESIGNATED_INITIALIZER;
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// CHECK-NEXT: @end
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@objc(RenamedNSObjectSubclass)
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public class UnrenamedNSObjectSubclass : ResilientNSObjectOutsideParent {}
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