org.jetbrains.kotlin.resolve.scopes.LazyScopeAdapter.kt Maven / Gradle / Ivy

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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 org.jetbrains.kotlin.resolve.scopes

import org.jetbrains.kotlin.storage.LockBasedStorageManager
import org.jetbrains.kotlin.storage.StorageManager

class LazyScopeAdapter @JvmOverloads constructor(
    storageManager: StorageManager = LockBasedStorageManager.NO_LOCKS,
    getScope: () -> MemberScope
) : AbstractScopeAdapter() {

    private val lazyScope = storageManager.createLazyValue{
        getScope().let {
            if (it is AbstractScopeAdapter) it.getActualScope() else it
        }
    }

    override val workerScope: MemberScope
        get() = lazyScope()
}