import sbt.Keys._
import sbt._
import java.io.{ RandomAccessFile, File }
import java.nio.channels.FileLock
import scala.reflect.io.Path
import org.scalajs.sbtplugin.ScalaJSPlugin
import org.scalajs.sbtplugin.ScalaJSPlugin.autoImport._
object DottyBuild extends Build {
val jenkinsMemLimit = List("-Xmx1300m")
val JENKINS_BUILD = "dotty.jenkins.build"
val agentOptions = List(
// "-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005"
// "-agentpath:/home/dark/opt/yjp-2013-build-13072/bin/linux-x86-64/libyjpagent.so"
// "-agentpath:/Applications/YourKit_Java_Profiler_2015_build_15052.app/Contents/Resources/bin/mac/libyjpagent.jnilib",
// "-XX:+HeapDumpOnOutOfMemoryError", "-Xmx1g", "-Xss2m"
)
override def settings: Seq[Setting[_]] = {
super.settings ++ Seq(
scalaVersion in Global := "2.11.5",
version in Global := "0.1-SNAPSHOT",
organization in Global := "org.scala-lang",
organizationName in Global := "LAMP/EPFL",
organizationHomepage in Global := Some(url("http://lamp.epfl.ch")),
homepage in Global := Some(url("https://github.com/lampepfl/dotty")),
// scalac options
scalacOptions in Global ++= Seq("-feature", "-deprecation", "-language:existentials,higherKinds,implicitConversions"),
javacOptions in Global ++= Seq("-Xlint:unchecked", "-Xlint:deprecation")
)
}
/** Enforce 2.11.5. Do not let it be upgraded by dependencies. */
private val overrideScalaVersionSetting =
ivyScala := ivyScala.value.map(_.copy(overrideScalaVersion = true))
lazy val `dotty-interfaces` = project.in(file("interfaces")).
settings(
// Do not append Scala versions to the generated artifacts
crossPaths := false,
// Do not depend on the Scala library
autoScalaLibrary := false,
//Remove javac invalid options in Compile doc
javacOptions in (Compile, doc) --= Seq("-Xlint:unchecked", "-Xlint:deprecation")
)
lazy val dotty = project.in(file(".")).
dependsOn(`dotty-interfaces`).
settings(
overrideScalaVersionSetting,
// set sources to src/, tests to test/ and resources to resources/
scalaSource in Compile := baseDirectory.value / "src",
javaSource in Compile := baseDirectory.value / "src",
scalaSource in Test := baseDirectory.value / "test",
javaSource in Test := baseDirectory.value / "test",
resourceDirectory in Compile := baseDirectory.value / "resources",
unmanagedSourceDirectories in Compile := Seq((scalaSource in Compile).value),
unmanagedSourceDirectories in Test := Seq((scalaSource in Test).value),
// set system in/out for repl
connectInput in run := true,
outputStrategy := Some(StdoutOutput),
// Generate compiler.properties, used by sbt
resourceGenerators in Compile += Def.task {
val file = (resourceManaged in Compile).value / "compiler.properties"
val contents = s"version.number=${version.value}"
IO.write(file, contents)
Seq(file)
}.taskValue,
// include sources in eclipse (downloads source code for all dependencies)
//http://stackoverflow.com/questions/10472840/how-to-attach-sources-to-sbt-managed-dependencies-in-scala-ide#answer-11683728
com.typesafe.sbteclipse.plugin.EclipsePlugin.EclipseKeys.withSource := true,
// get libraries onboard
partestDeps := Seq("me.d-d" % "scala-compiler" % "2.11.5-20160322-171045-e19b30b3cd",
"org.scala-lang" % "scala-reflect" % scalaVersion.value,
"org.scala-lang" % "scala-library" % scalaVersion.value % "test"),
libraryDependencies ++= partestDeps.value,
libraryDependencies ++= Seq("org.scala-lang.modules" %% "scala-xml" % "1.0.1",
"org.scala-lang.modules" %% "scala-partest" % "1.0.11" % "test",
"com.novocode" % "junit-interface" % "0.11" % "test",
"jline" % "jline" % "2.12"),
// enable improved incremental compilation algorithm
incOptions := incOptions.value.withNameHashing(true),
// enable verbose exception messages for JUnit
testOptions in Test += Tests.Argument(TestFrameworks.JUnit, "-a", "-v", "--run-listener=test.ContextEscapeDetector"),
testOptions in Test += Tests.Cleanup({ () => partestLockFile.delete }),
lockPartestFile := {
// When this file is present, running `test` generates the files for
// partest. Otherwise it just executes the tests directly.
val lockDir = partestLockFile.getParentFile
lockDir.mkdirs
// Cannot have concurrent partests as they write to the same directory.
if (lockDir.list.size > 0)
throw new RuntimeException("ERROR: sbt partest: another partest is already running, pid in lock file: " + lockDir.list.toList.mkString(" "))
partestLockFile.createNewFile
partestLockFile.deleteOnExit
},
runPartestRunner <<= Def.inputTaskDyn {
// Magic! This is both an input task and a dynamic task. Apparently
// command line arguments get passed to the last task in an aliased
// sequence (see partest alias below), so this works.
val args = Def.spaceDelimited("<arg>").parsed
val jars = Seq((packageBin in Compile).value.getAbsolutePath) ++
getJarPaths(partestDeps.value, ivyPaths.value.ivyHome)
val dottyJars = "-dottyJars " + (jars.length + 1) + " dotty.jar" + " " + jars.mkString(" ")
// Provide the jars required on the classpath of run tests
runTask(Test, "dotty.partest.DPConsoleRunner", dottyJars + " " + args.mkString(" "))
},
/* Add the sources of scalajs-ir.
* To guarantee that dotty can bootstrap without depending on a version
* of scalajs-ir built with a different Scala compiler, we add its
* sources instead of depending on the binaries.
*/
ivyConfigurations += config("sourcedeps").hide,
libraryDependencies +=
"org.scala-js" %% "scalajs-ir" % scalaJSVersion % "sourcedeps",
sourceGenerators in Compile += Def.task {
val s = streams.value
val cacheDir = s.cacheDirectory
val trgDir = (sourceManaged in Compile).value / "scalajs-ir-src"
val report = updateClassifiers.value
val scalaJSIRSourcesJar = report.select(
configuration = Set("sourcedeps"),
module = (_: ModuleID).name.startsWith("scalajs-ir_"),
artifact = artifactFilter(`type` = "src")).headOption.getOrElse {
sys.error(s"Could not fetch scalajs-ir sources")
}
FileFunction.cached(cacheDir / s"fetchScalaJSIRSource",
FilesInfo.lastModified, FilesInfo.exists) { dependencies =>
s.log.info(s"Unpacking scalajs-ir sources to $trgDir...")
if (trgDir.exists)
IO.delete(trgDir)
IO.createDirectory(trgDir)
IO.unzip(scalaJSIRSourcesJar, trgDir)
(trgDir ** "*.scala").get.toSet
} (Set(scalaJSIRSourcesJar)).toSeq
}.taskValue,
// Adjust classpath for running dotty
mainClass in (Compile, run) := Some("dotty.tools.dotc.Main"),
fork in run := true,
fork in Test := true,
parallelExecution in Test := false,
// http://grokbase.com/t/gg/simple-build-tool/135ke5y90p/sbt-setting-jvm-boot-paramaters-for-scala
javaOptions <++= (dependencyClasspath in Runtime, packageBin in Compile) map { (attList, bin) =>
// put the Scala {library, reflect} in the classpath
val path = for {
file <- attList.map(_.data)
path = file.getAbsolutePath
} yield "-Xbootclasspath/p:" + path
// dotty itself needs to be in the bootclasspath
val fullpath = ("-Xbootclasspath/a:" + bin) :: path.toList
// System.err.println("BOOTPATH: " + fullpath)
val travis_build = // propagate if this is a travis build
if (sys.props.isDefinedAt(JENKINS_BUILD))
List(s"-D$JENKINS_BUILD=${sys.props(JENKINS_BUILD)}") ::: jenkinsMemLimit
else
List()
val tuning =
if (sys.props.isDefinedAt("Oshort"))
// Optimize for short-running applications, see https://github.com/lampepfl/dotty/issues/222
List("-XX:+TieredCompilation", "-XX:TieredStopAtLevel=1")
else
List()
("-DpartestParentID=" + pid) :: tuning ::: agentOptions ::: travis_build ::: fullpath
}
).
settings(
addCommandAlias("partest", ";test:package;package;test:runMain dotc.build;lockPartestFile;test:test;runPartestRunner") ++
addCommandAlias("partest-only", ";test:package;package;test:runMain dotc.build;lockPartestFile;test:test-only dotc.tests;runPartestRunner") ++
addCommandAlias("partest-only-no-bootstrap", ";test:package;package; lockPartestFile;test:test-only dotc.tests;runPartestRunner")
)
/** A sandbox to play with the Scala.js back-end of dotty.
*
* This sandbox is compiled with dotty with support for Scala.js. It can be
* used like any regular Scala.js project. In particular, `fastOptJS` will
* produce a .js file, and `run` will run the JavaScript code with a JS VM.
*
* Simply running `dotty/run -scalajs` without this sandbox is not very
* useful, as that would not provide the linker and JS runners.
*/
lazy val sjsSandbox = project.in(file("sandbox/scalajs")).
enablePlugins(ScalaJSPlugin).
settings(
overrideScalaVersionSetting,
/* Remove the Scala.js compiler plugin for scalac, and enable the
* Scala.js back-end of dotty instead.
*/
libraryDependencies ~= { deps =>
deps.filterNot(_.name.startsWith("scalajs-compiler"))
},
scalacOptions += "-scalajs",
// The main class cannot be found automatically due to the empty inc.Analysis
mainClass in Compile := Some("hello.world"),
// While developing the Scala.js back-end, it is very useful to see the trees dotc gives us
scalacOptions += "-Xprint:labelDef",
/* Debug-friendly Scala.js optimizer options.
* In particular, typecheck the Scala.js IR found on the classpath.
*/
scalaJSOptimizerOptions ~= {
_.withCheckScalaJSIR(true).withParallel(false)
}
).
settings(compileWithDottySettings).
settings(inConfig(Compile)(Seq(
/* Make sure jsDependencyManifest runs after compile, otherwise compile
* might remove the entire directory afterwards.
*/
jsDependencyManifest <<= jsDependencyManifest.dependsOn(compile)
)))
lazy val `dotty-bench` = project.in(file("bench")).
dependsOn(dotty % "compile->test").
settings(
overrideScalaVersionSetting,
baseDirectory in (Test,run) := (baseDirectory in dotty).value,
libraryDependencies ++= Seq("com.storm-enroute" %% "scalameter" % "0.6" % Test,
"com.novocode" % "junit-interface" % "0.11"),
fork in Test := true,
parallelExecution in Test := false,
// http://grokbase.com/t/gg/simple-build-tool/135ke5y90p/sbt-setting-jvm-boot-paramaters-for-scala
javaOptions <++= (dependencyClasspath in Runtime, packageBin in Compile) map { (attList, bin) =>
// put the Scala {library, reflect, compiler} in the classpath
val path = for {
file <- attList.map(_.data)
path = file.getAbsolutePath
prefix = if (path.endsWith(".jar")) "p" else "a"
} yield "-Xbootclasspath/" + prefix + ":" + path
// dotty itself needs to be in the bootclasspath
val fullpath = ("-Xbootclasspath/a:" + bin) :: path.toList
// System.err.println("BOOTPATH: " + fullpath)
val travis_build = // propagate if this is a travis build
if (sys.props.isDefinedAt(JENKINS_BUILD))
List(s"-D$JENKINS_BUILD=${sys.props(JENKINS_BUILD)}")
else
List()
val res = agentOptions ::: travis_build ::: fullpath
println("Running with javaOptions: " + res)
res
}
)
// Partest tasks
lazy val lockPartestFile = TaskKey[Unit]("lockPartestFile", "Creates the lock file at ./tests/locks/partest-<pid>.lock")
lazy val partestLockFile = new File("." + File.separator + "tests" + File.separator + "locks" + File.separator + s"partest-$pid.lock")
def pid = java.lang.Long.parseLong(java.lang.management.ManagementFactory.getRuntimeMXBean().getName().split("@")(0))
lazy val runPartestRunner = InputKey[Unit]("runPartestRunner", "Runs partest")
lazy val partestDeps = SettingKey[Seq[ModuleID]]("partestDeps", "Finds jars for partest dependencies")
def getJarPaths(modules: Seq[ModuleID], ivyHome: Option[File]): Seq[String] = ivyHome match {
case Some(home) =>
modules.map({ module =>
val file = Path(home) / Path("cache") /
Path(module.organization) / Path(module.name) / Path("jars") /
Path(module.name + "-" + module.revision + ".jar")
if (!file.isFile) throw new RuntimeException("ERROR: sbt getJarPaths: dependency jar not found: " + file)
else file.jfile.getAbsolutePath
})
case None => throw new RuntimeException("ERROR: sbt getJarPaths: ivyHome not defined")
}
// Compile with dotty
lazy val compileWithDottySettings = {
inConfig(Compile)(inTask(compile)(Defaults.runnerTask) ++ Seq(
// Compile with dotty
fork in compile := true,
compile := {
val inputs = (compileInputs in compile).value
import inputs.config._
val s = streams.value
val logger = s.log
val cacheDir = s.cacheDirectory
// Discover classpaths
def cpToString(cp: Seq[File]) =
cp.map(_.getAbsolutePath).mkString(java.io.File.pathSeparator)
val compilerCp = Attributed.data((fullClasspath in (dotty, Compile)).value)
val cpStr = cpToString(classpath ++ compilerCp)
// List all my dependencies (recompile if any of these changes)
val allMyDependencies = classpath filterNot (_ == classesDirectory) flatMap { cpFile =>
if (cpFile.isDirectory) (cpFile ** "*.class").get
else Seq(cpFile)
}
// Compile
val cachedCompile = FileFunction.cached(cacheDir / "compile",
FilesInfo.lastModified, FilesInfo.exists) { dependencies =>
logger.info(
"Compiling %d Scala sources to %s..." format (
sources.size, classesDirectory))
if (classesDirectory.exists)
IO.delete(classesDirectory)
IO.createDirectory(classesDirectory)
val sourcesArgs = sources.map(_.getAbsolutePath()).toList
/* run.run() below in doCompile() will emit a call to its
* logger.info("Running dotty.tools.dotc.Main [...]")
* which we do not want to see. We use this patched logger to
* filter out that particular message.
*/
val patchedLogger = new Logger {
def log(level: Level.Value, message: => String) = {
val msg = message
if (level != Level.Info ||
!msg.startsWith("Running dotty.tools.dotc.Main"))
logger.log(level, msg)
}
def success(message: => String) = logger.success(message)
def trace(t: => Throwable) = logger.trace(t)
}
def doCompile(sourcesArgs: List[String]): Unit = {
val run = (runner in compile).value
run.run("dotty.tools.dotc.Main", compilerCp,
"-classpath" :: cpStr ::
"-d" :: classesDirectory.getAbsolutePath() ::
options ++:
sourcesArgs,
patchedLogger) foreach sys.error
}
// Work around the Windows limitation on command line length.
val isWindows =
System.getProperty("os.name").toLowerCase().indexOf("win") >= 0
if ((fork in compile).value && isWindows &&
(sourcesArgs.map(_.length).sum > 1536)) {
IO.withTemporaryFile("sourcesargs", ".txt") { sourceListFile =>
IO.writeLines(sourceListFile, sourcesArgs)
doCompile(List("@"+sourceListFile.getAbsolutePath()))
}
} else {
doCompile(sourcesArgs)
}
// Output is all files in classesDirectory
(classesDirectory ** AllPassFilter).get.toSet
}
cachedCompile((sources ++ allMyDependencies).toSet)
// We do not have dependency analysis when compiling externally
sbt.inc.Analysis.Empty
}
))
}
}