org.jetbrains.kotlin.cli.common.repl.GenericEvaluatorState.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2017 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.cli.common.repl
import java.io.File
import java.net.URLClassLoader
import java.util.concurrent.locks.ReentrantReadWriteLock
import kotlin.concurrent.read
open class GenericReplEvaluatorState(baseClasspath: Iterable, baseClassloader: ClassLoader?, override val lock: ReentrantReadWriteLock = ReentrantReadWriteLock())
: IReplStageState
{
override val history: IReplStageHistory = BasicReplStageHistory(lock)
override val currentGeneration: Int get() = (history as BasicReplStageHistory<*>).currentGeneration.get()
val topClassLoader: ReplClassLoader = makeReplClassLoader(baseClassloader, baseClasspath)
val currentClasspath: List get() = lock.read {
history.peek()?.item?.classLoader?.listAllUrlsAsFiles()
?: topClassLoader.listAllUrlsAsFiles()
}
}
internal fun makeReplClassLoader(baseClassloader: ClassLoader?, baseClasspath: Iterable) =
ReplClassLoader(URLClassLoader(baseClasspath.map { it.toURI().toURL() }.toTypedArray(), baseClassloader))