Ilya Chernikov
127 lines
4.5 KiB
Kotlin
127 lines
4.5 KiB
Kotlin
/*
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* Copyright 2010-2015 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.kotlin.compilerRunner
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import org.jetbrains.kotlin.cli.common.messages.MessageCollector
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import org.jetbrains.kotlin.preloading.ClassPreloadingUtils
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import org.jetbrains.kotlin.preloading.Preloader
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import org.jetbrains.kotlin.utils.KotlinPaths
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import java.io.File
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import java.io.PrintStream
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import java.lang.ref.SoftReference
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import org.jetbrains.kotlin.cli.common.messages.CompilerMessageSeverity.ERROR
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import org.jetbrains.kotlin.utils.KotlinPathsFromBaseDirectory
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import org.jetbrains.kotlin.utils.SmartList
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object CompilerRunnerUtil {
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private var ourClassLoaderRef = SoftReference<ClassLoader>(null)
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internal val jdkToolsJar: File?
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get() {
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val javaHomePath = System.getProperty("java.home")
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if (javaHomePath == null || javaHomePath.isEmpty()) {
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return null
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}
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val javaHome = File(javaHomePath)
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var toolsJar = File(javaHome, "lib/tools.jar")
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if (toolsJar.exists()) {
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return toolsJar.canonicalFile
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}
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// We might be inside jre.
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if (javaHome.name == "jre") {
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toolsJar = File(javaHome.parent, "lib/tools.jar")
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if (toolsJar.exists()) {
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return toolsJar.canonicalFile
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}
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}
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return null
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}
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@Synchronized
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private fun getOrCreateClassLoader(
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environment: JpsCompilerEnvironment,
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paths: List<File>
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): ClassLoader {
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var classLoader = ourClassLoaderRef.get()
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if (classLoader == null) {
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classLoader = ClassPreloadingUtils.preloadClasses(
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paths,
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Preloader.DEFAULT_CLASS_NUMBER_ESTIMATE,
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CompilerRunnerUtil::class.java.classLoader,
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environment.classesToLoadByParent
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)
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ourClassLoaderRef = SoftReference(classLoader)
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}
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return classLoader!!
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}
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fun getLibPath(paths: KotlinPaths, messageCollector: MessageCollector): File? {
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val libs = paths.libPath
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if (libs.exists() && !libs.isFile) return libs
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messageCollector.report(
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ERROR,
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"Broken compiler at '" + libs.absolutePath + "'. Make sure plugin is properly installed", null
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)
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return null
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}
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fun invokeExecMethod(
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compilerClassName: String,
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arguments: Array<String>,
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environment: JpsCompilerEnvironment,
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out: PrintStream
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): Any? = withCompilerClassloader(environment) { classLoader ->
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val compiler = Class.forName(compilerClassName, true, classLoader)
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val exec = compiler.getMethod(
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"execAndOutputXml",
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PrintStream::class.java,
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Class.forName("org.jetbrains.kotlin.config.Services", true, classLoader),
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Array<String>::class.java
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)
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exec.invoke(compiler.newInstance(), out, environment.services, arguments)
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}
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fun invokeClassesFqNames(
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environment: JpsCompilerEnvironment,
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files: Set<File>
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): Set<String> = withCompilerClassloader(environment) { classLoader ->
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val klass = Class.forName("org.jetbrains.kotlin.incremental.parsing.ParseFileUtilsKt", true, classLoader)
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val method = klass.getMethod("classesFqNames", Set::class.java)
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@Suppress("UNCHECKED_CAST")
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method.invoke(klass, files) as? Set<String>
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} ?: emptySet()
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private fun <T> withCompilerClassloader(
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environment: JpsCompilerEnvironment,
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fn: (ClassLoader) -> T
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): T? {
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val libPath = getLibPath(environment.kotlinPaths, environment.messageCollector) ?: return null
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val kotlinPaths = KotlinPathsFromBaseDirectory(libPath)
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val paths = kotlinPaths.classPath(KotlinPaths.ClassPaths.CompilerWithScripting).toMutableList()
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jdkToolsJar?.let { paths.add(it) }
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val classLoader = getOrCreateClassLoader(environment, paths)
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return fn(classLoader)
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}
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}
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