org.jetbrains.kotlin.fir.analysis.checkers.declaration.FirOptInMarkedDeclarationChecker.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.descriptors.annotations.AnnotationUseSiteTarget.*
import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
import org.jetbrains.kotlin.diagnostics.DiagnosticReporter
import org.jetbrains.kotlin.diagnostics.reportOn
import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
import org.jetbrains.kotlin.fir.analysis.checkers.getAllowedAnnotationTargets
import org.jetbrains.kotlin.fir.analysis.checkers.getAnnotationClassForOptInMarker
import org.jetbrains.kotlin.fir.analysis.diagnostics.FirErrors
import org.jetbrains.kotlin.fir.analysis.diagnostics.withSuppressedDiagnostics
import org.jetbrains.kotlin.fir.declarations.FirDeclaration
import org.jetbrains.kotlin.fir.declarations.FirProperty
import org.jetbrains.kotlin.fir.declarations.FirPropertyAccessor
import org.jetbrains.kotlin.fir.declarations.FirValueParameter
object FirOptInMarkedDeclarationChecker : FirBasicDeclarationChecker() {
override fun check(declaration: FirDeclaration, context: CheckerContext, reporter: DiagnosticReporter) {
for (annotation in declaration.annotations) {
val annotationClass = annotation.getAnnotationClassForOptInMarker(context.session) ?: continue
withSuppressedDiagnostics(annotation, context) { ctx ->
val useSiteTarget = annotation.useSiteTarget
if ((declaration is FirPropertyAccessor && declaration.isGetter) || useSiteTarget == PROPERTY_GETTER) {
reporter.reportOn(annotation.source, FirErrors.OPT_IN_MARKER_ON_WRONG_TARGET, "getter", ctx)
}
if (useSiteTarget == SETTER_PARAMETER ||
(useSiteTarget != PROPERTY && useSiteTarget != PROPERTY_SETTER && declaration is FirValueParameter &&
KotlinTarget.VALUE_PARAMETER in annotationClass.getAllowedAnnotationTargets())
) {
reporter.reportOn(annotation.source, FirErrors.OPT_IN_MARKER_ON_WRONG_TARGET, "parameter", ctx)
}
if (declaration is FirProperty && declaration.isLocal) {
reporter.reportOn(annotation.source, FirErrors.OPT_IN_MARKER_ON_WRONG_TARGET, "variable", ctx)
}
if (useSiteTarget == FIELD || useSiteTarget == PROPERTY_DELEGATE_FIELD) {
reporter.reportOn(annotation.source, FirErrors.OPT_IN_MARKER_ON_WRONG_TARGET, "field", ctx)
}
}
}
}
}