org.jetbrains.kotlin.fir.analysis.checkers.declaration.FirUpperBoundViolatedDeclarationChecker.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.declaration
import org.jetbrains.kotlin.KtFakeSourceElementKind
import org.jetbrains.kotlin.fir.analysis.checkers.checkUpperBoundViolated
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.fir.declarations.*
object FirUpperBoundViolatedDeclarationChecker : FirBasicDeclarationChecker() {
override fun check(declaration: FirDeclaration, context: CheckerContext, reporter: DiagnosticReporter) {
if (declaration is FirClass) {
for (typeParameter in declaration.typeParameters) {
if (typeParameter is FirTypeParameter) {
for (bound in typeParameter.bounds) {
checkUpperBoundViolated(bound, context, reporter)
}
}
}
for (superTypeRef in declaration.superTypeRefs) {
checkUpperBoundViolated(superTypeRef, context, reporter)
}
} else if (declaration is FirTypeAlias) {
checkUpperBoundViolated(declaration.expandedTypeRef, context, reporter, isIgnoreTypeParameters = true)
} else if (declaration is FirCallableDeclaration) {
if (declaration.returnTypeRef.source?.kind !is KtFakeSourceElementKind) {
checkUpperBoundViolated(
declaration.returnTypeRef, context, reporter,
isIgnoreTypeParameters = context.containingDeclarations.lastOrNull() is FirTypeAlias
)
}
}
}
}