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[FIR] Check DELEGATE_USES_EXTENSION_PROPERTY_TYPE_PARAMETER for anonymous objects

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^KT-64102 Fixed
This commit is contained in:
Ivan Kochurkin
2024-02-05 20:43:31 +01:00
committed by Space Team
parent 8ee54a9045
commit c4e0cafe9c
7 changed files with 60 additions and 5 deletions
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compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirDelegateUsesExtensionPropertyTypeParameterChecker.kt
+7 -5
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@@ -12,17 +12,19 @@ import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.fir.analysis.checkers.unsubstitutedScope
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
import org.jetbrains.kotlin.fir.declarations.FirProperty
import org.jetbrains.kotlin.fir.expressions.FirFunctionCall
import org.jetbrains.kotlin.fir.declarations.utils.isExtension
import org.jetbrains.kotlin.fir.expressions.FirExpression
import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
import org.jetbrains.kotlin.fir.resolve.toSymbol
import org.jetbrains.kotlin.fir.scopes.processAllProperties
import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirClassSymbol
import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
import org.jetbrains.kotlin.fir.types.*
object FirDelegateUsesExtensionPropertyTypeParameterChecker : FirPropertyChecker(MppCheckerKind.Common) {
override fun check(declaration: FirProperty, context: CheckerContext, reporter: DiagnosticReporter) {
val delegate = declaration.delegate as? FirFunctionCall ?: return
if (!declaration.isExtension) return
val delegate = declaration.delegate ?: return
val parameters = declaration.typeParameters.mapTo(hashSetOf()) { it.symbol }
val usedTypeParameterSymbol = delegate.resolvedType.findUsedTypeParameterSymbol(parameters, delegate, context, reporter)
@@ -33,14 +35,14 @@ object FirDelegateUsesExtensionPropertyTypeParameterChecker : FirPropertyChecker
private fun ConeKotlinType.findUsedTypeParameterSymbol(
typeParameterSymbols: HashSet<FirTypeParameterSymbol>,
delegate: FirFunctionCall,
delegate: FirExpression,
context: CheckerContext,
reporter: DiagnosticReporter,
): FirTypeParameterSymbol? {
val expandedDelegateClassLikeType =
delegate.resolvedType.lowerBoundIfFlexible().fullyExpandedType(context.session)
.unwrapDefinitelyNotNull() as? ConeClassLikeType ?: return null
val delegateClassSymbol = expandedDelegateClassLikeType.lookupTag.toSymbol(context.session) as? FirRegularClassSymbol ?: return null
val delegateClassSymbol = expandedDelegateClassLikeType.lookupTag.toSymbol(context.session) as? FirClassSymbol<*> ?: return null
val delegateClassScope by lazy { delegateClassSymbol.unsubstitutedScope(context) }
for (it in typeArguments) {
val theType = it.type ?: continue