org.jetbrains.kotlin.fir.analysis.checkers.declaration.FirOptInAnnotationClassChecker.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.ClassKind
import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
import org.jetbrains.kotlin.fir.analysis.checkers.*
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.getAnnotationByClassId
import org.jetbrains.kotlin.resolve.checkers.OptInDescription
import org.jetbrains.kotlin.resolve.checkers.OptInNames
object FirOptInAnnotationClassChecker : FirRegularClassChecker() {
override fun check(declaration: FirRegularClass, context: CheckerContext, reporter: DiagnosticReporter) {
if (declaration.classKind != ClassKind.ANNOTATION_CLASS) return
if (declaration.getAnnotationByClassId(OptInNames.REQUIRES_OPT_IN_CLASS_ID) == null) return
if (declaration.getRetention() == AnnotationRetention.SOURCE) {
val target = declaration.getRetentionAnnotation()
reporter.reportOn(target?.source, FirErrors.OPT_IN_MARKER_WITH_WRONG_RETENTION, context)
}
val wrongTargets = declaration.getAllowedAnnotationTargets().intersect(OptInDescription.WRONG_TARGETS_FOR_MARKER)
if (wrongTargets.isNotEmpty()) {
val target = declaration.getTargetAnnotation()
reporter.reportOn(
target?.source,
FirErrors.OPT_IN_MARKER_WITH_WRONG_TARGET,
wrongTargets.joinToString(transform = KotlinTarget::description),
context
)
}
}
}