kotlin.reflect.jvm.internal.impl.resolve.overridingUtils.kt Maven / Gradle / Ivy

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Kotlin Full Reflection Library

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/*
 * Copyright 2010-2015 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 kotlin.reflect.jvm.internal.impl.resolve

import kotlin.reflect.jvm.internal.impl.descriptors.CallableDescriptor
import kotlin.reflect.jvm.internal.impl.utils.DFS
import java.util.*

fun  TDescriptor.findTopMostOverriddenDescriptors(): List {
    return DFS.dfs(
            listOf(this),
            { current -> current.overriddenDescriptors },
            object : DFS.CollectingNodeHandler>(ArrayList()) {
                override fun afterChildren(current: CallableDescriptor) {
                    if (current.overriddenDescriptors.isEmpty()) {
                        @Suppress("UNCHECKED_CAST")
                        result.add(current as TDescriptor)
                    }
                }
            })
}


fun  TDescriptor.findOriginalTopMostOverriddenDescriptors(): Set {
    return findTopMostOverriddenDescriptors().mapTo(LinkedHashSet()) {
        @Suppress("UNCHECKED_CAST")
        (it.original as TDescriptor)
    }
}