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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.
74 lines
2.6 KiB
Swift
74 lines
2.6 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/circularity.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/circularity.h -parse-as-library %t/circularity-errors.swiftmodule -typecheck -verify -emit-objc-header-path %t/circularity-errors.h
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// RUN: %FileCheck %s < %t/circularity-errors.h
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// RUN: not %check-in-clang %t/circularity-errors.h
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import Foundation
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// CHECK: @protocol A2;
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// CHECK-LABEL: @protocol A1 <Proto>
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@objc protocol A1: Proto {
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// CHECK: - (void)test:
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func test(_: NeedsProto<A2>)
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} // CHECK: @end
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// CHECK-LABEL: @protocol A2 <Proto>
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@objc protocol A2: Proto {
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// CHECK: - (void)test:
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func test(_: NeedsProto<A1>)
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} // CHECK: @end
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// CHECK: @class B2;
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// CHECK-LABEL: @protocol B1 <Proto>
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@objc protocol B1: Proto {
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// CHECK: - (void)test:
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@objc optional func test(_: NeedsProto<B2>)
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} // CHECK: @end
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// CHECK-LABEL: @interface B2 : ProtoImpl <B1>
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class B2: ProtoImpl, B1 {
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} // CHECK: @end
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// CHECK: @class C1;
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// Moved below.
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class C1: ProtoImpl, C2 {}
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// CHECK-LABEL: @protocol C2 <Proto>
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@objc protocol C2: Proto {
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// CHECK: - (void)test:
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@objc optional func test(_: NeedsProto<C1>)
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} // CHECK: @end
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// CHECK-LABEL: @interface C1 : ProtoImpl <C2>
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// CHECK: @end
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// CHECK: @protocol D2;
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// CHECK-LABEL: @protocol D1 <Proto>
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@objc protocol D1: Proto {
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// CHECK: - (void)test:
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func test(_: NeedsProto<D2>)
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} // CHECK: @end
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// CHECK-LABEL: @protocol D2 <D1>
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@objc protocol D2: D1 {
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} // CHECK: @end
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// CHECK: @protocol E1;
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// Moved below.
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@objc protocol E1: E2 {}
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// CHECK-LABEL: @protocol E2 <Proto>
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@objc protocol E2: Proto {
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// CHECK: - (void)test:
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func test(_: NeedsProto<E1>)
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} // CHECK: @end
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// CHECK-LABEL: @protocol E1 <E2>
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// CHECK: @end
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