org.jetbrains.kotlin.codegen.inline.InlineCache.kt Maven / Gradle / Ivy

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/*
 * 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.codegen.inline

import com.intellij.util.containers.SLRUMap
import org.jetbrains.kotlin.name.ClassId
import org.jetbrains.org.objectweb.asm.commons.Method

data class MethodId(val ownerInternalName: String, val method: Method)

class InlineCache {
    val classBytes: SLRUMap = SLRUMap(30, 20)
    val methodNodeById: SLRUMap = SLRUMap(60, 50)
}

inline fun  SLRUMap.getOrPut(key: K, defaultValue: () -> V): V {
    synchronized(this) {
        val value = get(key)
        return if (value == null) {
            val answer = defaultValue()
            put(key, answer)
            answer
        } else {
            value
        }
    }
}