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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.
16 lines
1.1 KiB
Swift
16 lines
1.1 KiB
Swift
// REQUIRES: objc_interop
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// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -parse-as-library %s -typecheck -verify -emit-objc-header-path %t/emit.h -disable-objc-attr-requires-foundation-module -import-objc-header %S/Inputs/CoreGraphics-Bridging-Header.h -import-underlying-module -module-name CoreGraphics -bridging-header-directory-for-print ""
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// RUN: %FileCheck -check-prefix=CHECK-DEFAULT %s < %t/emit.h
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -parse-as-library %s -typecheck -verify -emit-objc-header-path %t/emit.h -disable-objc-attr-requires-foundation-module -import-objc-header %S/Inputs/CoreGraphics-Bridging-Header.h -import-underlying-module -module-name CoreGraphics -bridging-header-directory-for-print "Headers/PrivateHeaders/"
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// RUN: %FileCheck -check-prefix=CHECK-DIR %s < %t/emit.h
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@objc public class X: UIColor {
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@objc public func draw(_: UIColor) { }
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}
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// CHECK-DEFAULT: #import "CoreGraphics-Bridging-Header.h"
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// CHECK-DIR: #import "Headers/PrivateHeaders/CoreGraphics-Bridging-Header.h"
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