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f80da87839
It turns out there are valid usecases for exposing a standalone objc-metaclass symbols and tbd files must encode it correctly. resolves: rdar://118499886
36 lines
1.2 KiB
Swift
36 lines
1.2 KiB
Swift
// REQUIRES: VENDOR=apple
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// RUN: %empty-directory(%t)
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// RUN: split-file %s %t
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// RUN: %target-swift-frontend -emit-ir -o/dev/null -parse-as-library -module-name test -import-objc-header %S/Inputs/objc_class_header.h -validate-tbd-against-ir=missing %t/main.swift -disable-objc-attr-requires-foundation-module -emit-tbd -emit-tbd-path %t/main.tbd -tbd-install_name objc_classes
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// RUN: %validate-json %t/main.tbd | %FileCheck %s --check-prefix FORMAT
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// RUN: %llvm-nm %t/main.tbd | %FileCheck %s --check-prefix SYMS
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// FORMAT-NOT: '_OBJC_CLASS'
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// FORMAT: "objc_class"
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// SYMS: D _OBJC_CLASS_$_CApi
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// SYMS: D _OBJC_CLASS_$__TtC4test11AnotherCAPI
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// SYMS: D _OBJC_METACLASS_$_CApi
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// SYMS: D _OBJC_METACLASS_$__TtC4test11AnotherCAPI
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/// Expect stand-alone metaclass for NotCAPIBase.
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// SYMS: D _OBJC_METACLASS_$__TtC4test11NotCAPIBase
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// SYMS-NOT: _OBJC
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//--- main.swift
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import Foundation
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// These declarations imply direct obj-c availability.
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@objc(CApi) public class Api {}
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public class AnotherCAPI : NSObject {}
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public struct Empty {}
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// A generic one does not, however the obj-c metaclass should still be exported.
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public class NotCAPI<T> : AnotherCAPI {}
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public class NotCAPIBase : NotCAPI<Empty> {}
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