org.jetbrains.kotlin.fir.analysis.checkers.expression.FirSuperclassNotAccessibleFromInterfaceChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.fir.analysis.checkers.expression
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.fir.analysis.checkers.context.findClosest
import org.jetbrains.kotlin.fir.analysis.checkers.getContainingClassSymbol
import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
import org.jetbrains.kotlin.diagnostics.reportOn
import org.jetbrains.kotlin.fir.declarations.FirRegularClass
import org.jetbrains.kotlin.fir.expressions.FirQualifiedAccessExpression
import org.jetbrains.kotlin.fir.expressions.toResolvedCallableSymbol
import org.jetbrains.kotlin.fir.references.FirSuperReference
import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
import org.jetbrains.kotlin.utils.addToStdlib.safeAs
object FirSuperclassNotAccessibleFromInterfaceChecker : FirQualifiedAccessExpressionChecker() {
override fun check(expression: FirQualifiedAccessExpression, context: CheckerContext, reporter: DiagnosticReporter) {
expression.explicitReceiver.safeAs()
?.calleeReference.safeAs()
?: return
val closestClass = context.findClosest() ?: return
if (closestClass.classKind == ClassKind.INTERFACE) {
val containingClassSymbol =
expression.toResolvedCallableSymbol()?.getContainingClassSymbol(context.session) as? FirRegularClassSymbol ?: return
if (containingClassSymbol.source != null && containingClassSymbol.classKind == ClassKind.CLASS) {
reporter.reportOn(expression.explicitReceiver?.source, FirErrors.SUPERCLASS_NOT_ACCESSIBLE_FROM_INTERFACE, context)
}
}
}
}