org.jetbrains.kotlin.resolve.checkers.SinceKotlinAnnotationValueChecker.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2016 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.resolve.checkers
import org.jetbrains.kotlin.config.ApiVersion
import org.jetbrains.kotlin.config.LanguageVersionSettings
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
import org.jetbrains.kotlin.diagnostics.DiagnosticSink
import org.jetbrains.kotlin.diagnostics.Errors.ILLEGAL_SINCE_KOTLIN_VALUE
import org.jetbrains.kotlin.diagnostics.Errors.NEWER_VERSION_IN_SINCE_KOTLIN
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.getSinceKotlinAnnotation
import org.jetbrains.kotlin.resolve.source.getPsi
object SinceKotlinAnnotationValueChecker : DeclarationChecker {
private val regex: Regex = "(0|[1-9][0-9]*)".let { number -> Regex("$number\\.$number(\\.$number)?") }
override fun check(
declaration: KtDeclaration,
descriptor: DeclarationDescriptor,
diagnosticHolder: DiagnosticSink,
bindingContext: BindingContext,
languageVersionSettings: LanguageVersionSettings
) {
val annotation = descriptor.getSinceKotlinAnnotation() ?: return
val version = annotation.allValueArguments.values.singleOrNull()?.value as? String ?: return
if (!version.matches(regex)) {
diagnosticHolder.report(ILLEGAL_SINCE_KOTLIN_VALUE.on(annotation.source.getPsi() ?: declaration))
return
}
val apiVersion = ApiVersion.parse(version)
val specified = languageVersionSettings.apiVersion
if (apiVersion != null && apiVersion > specified) {
diagnosticHolder.report(NEWER_VERSION_IN_SINCE_KOTLIN.on(annotation.source.getPsi() ?: declaration, specified.versionString))
}
}
}