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Do substitution of stub types inside smartcast types to further write it into trace and prevent dealing with that in the back-end

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Victor Petukhov
2021-05-21 15:11:22 +03:00
parent 26cbb020db
commit c0ad1c9b18
1 changed files with 5 additions and 1 deletions
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compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/smartcasts/SmartCastManager.kt
+5 -1
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@@ -30,6 +30,7 @@ import org.jetbrains.kotlin.resolve.BindingContext.SMARTCAST
import org.jetbrains.kotlin.resolve.BindingTrace
import org.jetbrains.kotlin.resolve.calls.ArgumentTypeResolver
import org.jetbrains.kotlin.resolve.calls.context.ResolutionContext
import org.jetbrains.kotlin.resolve.calls.inference.BuilderInferenceSession
import org.jetbrains.kotlin.resolve.scopes.receivers.ImplicitReceiver
import org.jetbrains.kotlin.resolve.scopes.receivers.ReceiverValue
import org.jetbrains.kotlin.types.KotlinType
@@ -136,7 +137,10 @@ class SmartCastManager(private val argumentTypeResolver: ArgumentTypeResolver) {
else
listOf(expectedType)
val collectedTypes = c.dataFlowInfo.getCollectedTypes(dataFlowValue, c.languageVersionSettings).toMutableList()
val builderInferenceSubstitutor = (c.inferenceSession as? BuilderInferenceSession)?.getNotFixedToInferredTypesSubstitutor()
val collectedTypes = c.dataFlowInfo.getCollectedTypes(dataFlowValue, c.languageVersionSettings).let { types ->
if (builderInferenceSubstitutor != null) types.map { builderInferenceSubstitutor.safeSubstitute(it.unwrap()) } else types
}.toMutableList()
if (collectedTypes.isNotEmpty() && c.languageVersionSettings.supportsFeature(LanguageFeature.NewInference)) {
// Sometime expected type may be inferred to be an intersection of all of the smart-cast types