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FIR: Simplify VariableStorage::isStable

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This commit is contained in:
Denis Zharkov
2020-10-29 13:06:32 +03:00
parent 317d981472
commit 037ba4d973
1 changed files with 8 additions and 12 deletions
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compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/dfa/VariableStorage.kt
+8 -12
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@@ -11,7 +11,6 @@ import org.jetbrains.kotlin.fir.FirSession
import org.jetbrains.kotlin.fir.declarations.FirProperty
import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertyAccessor
import org.jetbrains.kotlin.fir.declarations.modality
import org.jetbrains.kotlin.fir.dispatchReceiverClassOrNull
import org.jetbrains.kotlin.fir.expressions.*
import org.jetbrains.kotlin.fir.expressions.impl.FirNoReceiverExpression
import org.jetbrains.kotlin.fir.references.FirThisReference
@@ -162,18 +161,15 @@ class VariableStorage(private val session: FirSession) {
property.receiverTypeRef != null -> false
property.getter.let { it != null && it !is FirDefaultPropertyAccessor } -> false
property.modality != Modality.FINAL -> {
val dispatchReceiver = (originalFir as? FirQualifiedAccess)?.dispatchReceiver ?: return false
val propertyClassLookupTag = (this as FirPropertySymbol).let { it.overriddenSymbol ?: it }.dispatchReceiverClassOrNull()
val dispatchReceiver = (originalFir.unwrapElement() as? FirQualifiedAccess)?.dispatchReceiver ?: return false
val receiverType = dispatchReceiver.typeRef.coneTypeSafe<ConeClassLikeType>()?.fullyExpandedType(session) ?: return false
val receiverSymbol = receiverType.fullyExpandedType(session).lookupTag.toSymbol(session) ?: return false
val receiverClassLookupTag = receiverSymbol.toLookupTag()
if (propertyClassLookupTag != receiverClassLookupTag) {
when (val receiverFir = receiverSymbol.fir) {
is org.jetbrains.kotlin.fir.declarations.FirAnonymousObject -> true
is org.jetbrains.kotlin.fir.declarations.FirRegularClass -> receiverFir.modality == Modality.FINAL
else -> throw IllegalStateException("Should not be here: $receiverFir")
}
} else false
val receiverSymbol = receiverType.lookupTag.toSymbol(session) ?: return false
when (val receiverFir = receiverSymbol.fir) {
is org.jetbrains.kotlin.fir.declarations.FirAnonymousObject -> true
is org.jetbrains.kotlin.fir.declarations.FirRegularClass -> receiverFir.modality == Modality.FINAL
else -> throw IllegalStateException("Should not be here: $receiverFir")
}
}
else -> true
}