org.jetbrains.kotlin.fir.analysis.checkers.syntax.FirDelegationInInterfaceSyntaxChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2021 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.syntax
import org.jetbrains.kotlin.KtLightSourceElement
import org.jetbrains.kotlin.KtPsiSourceElement
import org.jetbrains.kotlin.KtSourceElement
import org.jetbrains.kotlin.KtNodeTypes
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
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.declarations.utils.isInterface
import org.jetbrains.kotlin.psi
import org.jetbrains.kotlin.psi.KtClass
import org.jetbrains.kotlin.psi.KtDelegatedSuperTypeEntry
object FirDelegationInInterfaceSyntaxChecker : FirDeclarationSyntaxChecker() {
override fun isApplicable(element: FirRegularClass, source: KtSourceElement): Boolean = element.isInterface
override fun checkPsi(
element: FirRegularClass,
source: KtPsiSourceElement,
psi: KtClass,
context: CheckerContext,
reporter: DiagnosticReporter
) {
for (superTypeRef in element.superTypeRefs) {
val superSource = superTypeRef.source ?: continue
if (superSource.psi?.parent is KtDelegatedSuperTypeEntry) {
reporter.reportOn(superSource, FirErrors.DELEGATION_IN_INTERFACE, context)
}
}
}
override fun checkLightTree(
element: FirRegularClass,
source: KtLightSourceElement,
context: CheckerContext,
reporter: DiagnosticReporter
) {
for (superTypeRef in element.superTypeRefs) {
val superSource = superTypeRef.source ?: continue
if (superSource.treeStructure.getParent(superSource.lighterASTNode)?.tokenType == KtNodeTypes.DELEGATED_SUPER_TYPE_ENTRY) {
reporter.reportOn(superSource, FirErrors.DELEGATION_IN_INTERFACE, context)
}
}
}
}