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Allow sealed inheritors for expect sealed classes in MPP submodules

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KT-45842 Fixed
KTIJ-7068
This commit is contained in:
Dmitriy Novozhilov
2021-04-05 12:48:35 +03:00
committed by TeamCityServer
parent 1633190478
commit fe81078366
12 changed files with 78 additions and 3 deletions
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compiler/frontend/src/org/jetbrains/kotlin/resolve/checkers/SealedInheritorInSameModuleChecker.kt
+11 -2
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@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.resolve.checkers
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
import org.jetbrains.kotlin.descriptors.isSealed
import org.jetbrains.kotlin.diagnostics.Errors
import org.jetbrains.kotlin.psi.KtClassOrObject
@@ -22,8 +23,16 @@ object SealedInheritorInSameModuleChecker : DeclarationChecker {
val typeReference = superTypeListEntry.typeReference ?: continue
val superType = typeReference.getAbbreviatedTypeOrType(context.trace.bindingContext)?.unwrap() ?: continue
val superClass = superType.constructor.declarationDescriptor ?: continue
if (superClass.isSealed() && superClass.module != currentModule) {
context.trace.report(Errors.SEALED_INHERITOR_IN_DIFFERENT_MODULE.on(typeReference))
if (superClass.isSealed()) {
/*
* It's allowed to declare inheritors of expect sealed class in any dependent module until actual
* counterpart for this class will be declared. So if super class is resolved to expect sealed
* class then its allowed to declare inheritor
*/
val inheritorAllowed = superClass.isExpect || superClass.module == currentModule
if (!inheritorAllowed) {
context.trace.report(Errors.SEALED_INHERITOR_IN_DIFFERENT_MODULE.on(typeReference))
}
}
}
}