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 * Copyright 2010-2024 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
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package org.jetbrains.kotlin.resolve.checkers

import org.jetbrains.kotlin.descriptors.annotations.AnnotationDescriptor
import org.jetbrains.kotlin.resolve.constants.*

fun getOptInAnnotationArgs(annotation: AnnotationDescriptor): List<ConstantValue<*>> =
    when (val arguments = annotation.allValueArguments[OptInNames.OPT_IN_ANNOTATION_CLASS]) {
        // @SubclassOptInRequired from stdlib versions 2.1 and above
        is ArrayValue -> arguments.value
        // Applies @SubclassOptInRequired for stdlib versions below 2.1
        else -> listOfNotNull(arguments)
    }
