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[K/N] Add error when companion of non-Obj-C-subclass inherits Obj-C meta

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Fixes KT-50109
This commit is contained in:
Sergey Bogolepov
2022-06-23 16:35:08 +03:00
committed by Space
parent 8632103fc8
commit 204cde357b
1 changed files with 5 additions and 4 deletions
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kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/SpecialBackendChecksTraversal.kt
+5 -4
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@@ -19,10 +19,7 @@ import org.jetbrains.kotlin.backend.konan.ir.*
import org.jetbrains.kotlin.backend.konan.ir.getSuperClassNotAny
import org.jetbrains.kotlin.backend.konan.llvm.IntrinsicType
import org.jetbrains.kotlin.backend.konan.llvm.tryGetIntrinsicType
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.DescriptorVisibilities
import org.jetbrains.kotlin.descriptors.isFinalClass
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.ir.IrElement
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.expressions.*
@@ -229,6 +226,10 @@ private class BackendChecker(val context: Context, val irFile: IrFile) : IrEleme
reportError(irClass, "Fields are not supported for Companion of subclass of ObjC type")
}
if (irClass.isObjCMetaClass() && (irClass.isCompanion && !irClass.parentAsClass.isKotlinObjCClass() || irClass.kind.isClass)) {
reportError(irClass, "Only companion objects of subclasses of Objective-C classes can inherit from Objective-C metaclasses")
}
var hasObjCClassSupertype = false
irClass.descriptor.defaultType.constructor.supertypes.forEach {
val descriptor = it.constructor.declarationDescriptor as ClassDescriptor