/
ZincCompiler.scala
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/
ZincCompiler.scala
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/**
* Copyright 2011-2017 GatlingCorp (http://gatling.io)
*
* 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 io.gatling.compiler
import java.io.{ File => JFile }
import java.net.{ URL, URLClassLoader }
import java.nio.file.Files
import java.util.jar.{ Manifest => JManifest, Attributes }
import scala.collection.JavaConverters._
import scala.reflect.io.Directory
import scala.util.{ Failure, Try }
import com.typesafe.zinc.{ Compiler, IncOptions, Inputs, Setup }
import org.slf4j.LoggerFactory
import xsbti.{ F0, Logger }
import xsbti.api.Compilation
import xsbti.compile.CompileOrder
import io.gatling.compiler.config.CompilerConfiguration
import io.gatling.compiler.config.ConfigUtils._
object ZincCompiler extends App {
private val MisleadingWarningMessage = "Pruning sources from previous analysis, due to incompatible CompileSetup."
private val configuration = CompilerConfiguration.configuration(args)
private val logger = LoggerFactory.getLogger(getClass)
private val FoldersToCache = List("bin", "conf", "user-files")
private val compilerOptions = Seq(
"-encoding",
configuration.encoding,
"-target:jvm-1.8",
"-deprecation",
"-feature",
"-unchecked",
"-language:implicitConversions",
"-language:postfixOps"
)
Files.createDirectories(configuration.binariesDirectory)
private val compilerClasspath = {
val classLoader = Thread.currentThread.getContextClassLoader.asInstanceOf[URLClassLoader]
val files = classLoader.getURLs.map(url => new JFile(url.toURI))
if (files.exists(_.getName.startsWith("gatlingbooter"))) {
// yippee, we've been started by the manifest-only jar,
// we have to add the manifest Class-Path entries
val manifests = Thread.currentThread.getContextClassLoader.getResources("META-INF/MANIFEST.MF").asScala
.map { url =>
val is = url.openStream()
try {
new JManifest(is)
} finally {
is.close()
}
}
val classPathEntries = manifests.collect {
case manifest if Option(manifest.getMainAttributes.getValue(Attributes.Name.MAIN_CLASS)) == Some("io.gatling.mojo.MainWithArgsInFile") =>
manifest.getMainAttributes.getValue(Attributes.Name.CLASS_PATH).split(" ").map(url => new JFile(new URL(url).toURI))
}
files ++ classPathEntries.flatten
} else {
files
}
}
private def simulationInputs: Inputs = {
val sources = Directory(configuration.simulationsDirectory.toString)
.deepFiles
.collect { case file if file.hasExtension("scala") || file.hasExtension("java") => file.jfile }
.toSeq
def analysisCacheMapEntry(directoryName: String) =
(GatlingHome / directoryName).toFile -> (configuration.binariesDirectory / "cache" / directoryName).toFile
Inputs.inputs(
classpath = configuration.classpathElements,
sources = sources,
classesDirectory = configuration.binariesDirectory.toFile,
scalacOptions = compilerOptions,
javacOptions = Nil,
analysisCache = Some((configuration.binariesDirectory / "zincCache").toFile),
analysisCacheMap = FoldersToCache.map(analysisCacheMapEntry).toMap, // avoids having GATLING_HOME polluted with a "cache" folder
forceClean = false,
javaOnly = false,
compileOrder = CompileOrder.Mixed,
incOptions = IncOptions(),
outputRelations = None,
outputProducts = None,
mirrorAnalysis = false
)
}
private def setupZincCompiler: Setup = {
def jarMatching(classpath: Seq[JFile], regex: String): JFile =
classpath
.find(file => !file.getName.startsWith(".") && regex.r.findFirstMatchIn(file.getName).isDefined)
.getOrElse(throw new RuntimeException(s"Can't find the jar matching $regex"))
val scalaCompiler = jarMatching(configuration.classpathElements, """scala-compiler.*\.jar$""")
val scalaLibrary = jarMatching(configuration.classpathElements, """scala-library.*\.jar$""")
val scalaReflect = jarMatching(configuration.classpathElements, """scala-reflect.*\.jar$""")
val sbtInterfaceSrc: JFile = new JFile(classOf[Compilation].getProtectionDomain.getCodeSource.getLocation.toURI)
val compilerInterfaceSrc: JFile = jarMatching(compilerClasspath, """compiler-interface-.*-sources.jar$""")
Setup.setup(
scalaCompiler = scalaCompiler,
scalaLibrary = scalaLibrary,
scalaExtra = List(scalaReflect),
sbtInterface = sbtInterfaceSrc,
compilerInterfaceSrc = compilerInterfaceSrc,
javaHomeDir = None,
forkJava = false
)
}
// Setup the compiler
private val setup = setupZincCompiler
private val zincLogger = new Logger {
def error(arg: F0[String]): Unit = logger.error(arg.apply)
def warn(arg: F0[String]): Unit = {
val message = arg.apply
if (message != MisleadingWarningMessage) {
logger.warn(arg.apply)
}
}
def info(arg: F0[String]): Unit = logger.info(arg.apply)
def debug(arg: F0[String]): Unit = logger.debug(arg.apply)
def trace(arg: F0[Throwable]): Unit = logger.trace("", arg.apply)
}
private val zincCompiler = Compiler.create(setup, zincLogger)
// Define the inputs
private val inputs = simulationInputs
Inputs.debug(inputs, zincLogger)
Try(zincCompiler.compile(inputs)(zincLogger)) match {
case Failure(t) =>
logger.error("Compilation crashed", t)
System.exit(1)
case _ =>
logger.debug("Compilation successful")
// Zinc is already logging all the issues, no need to deal with the exception.
}
}