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package mill
package scalalib
import ammonite.ops._
import coursier.Repository
import mill.define.Task
import mill.define.TaskModule
import mill.eval.{PathRef, Result}
import mill.modules.Jvm
import mill.modules.Jvm.{createJar, subprocess}
import Dep.isDotty
import Lib._
import mill.util.Loose.Agg
import mill.util.DummyInputStream
/**
* Core configuration required to compile a single Scala compilation target
*/
trait ScalaModule extends JavaModule { outer =>
trait Tests extends TestModule with ScalaModule{
override def scalaOrganization = outer.scalaOrganization()
def scalaVersion = outer.scalaVersion()
override def repositories = outer.repositories
override def scalacPluginIvyDeps = outer.scalacPluginIvyDeps
override def scalacOptions = outer.scalacOptions
override def javacOptions = outer.javacOptions
override def zincWorker = outer.zincWorker
override def moduleDeps: Seq[JavaModule] = Seq(outer)
}
def scalaOrganization: T[String] = T {
if (isDotty(scalaVersion()))
"ch.epfl.lamp"
else
"org.scala-lang"
}
def scalaVersion: T[String]
override def mapDependencies = T.task{ d: coursier.Dependency =>
val artifacts =
if (isDotty(scalaVersion()))
Set("dotty-library", "dotty-compiler")
else
Set("scala-library", "scala-compiler", "scala-reflect")
if (!artifacts(d.module.name)) d
else d.copy(module = d.module.copy(organization = scalaOrganization()), version = scalaVersion())
}
override def resolveCoursierDependency: Task[Dep => coursier.Dependency] = T.task{
Lib.depToDependency(_: Dep, scalaVersion(), platformSuffix())
}
override def resolvePublishDependency: Task[Dep => publish.Dependency] = T.task{
publish.Artifact.fromDep(
_: Dep,
scalaVersion(),
Lib.scalaBinaryVersion(scalaVersion()),
platformSuffix()
)
}
def scalacPluginIvyDeps = T{ Agg.empty[Dep] }
def scalacOptions = T{ Seq.empty[String] }
private val Milestone213 = raw"""2.13.(\d+)-M(\d+)""".r
def scalaCompilerBridgeSources = T {
val (scalaVersion0, scalaBinaryVersion0) = scalaVersion() match {
case Milestone213(_, _) => ("2.13.0-M2", "2.13.0-M2")
case _ => (scalaVersion(), Lib.scalaBinaryVersion(scalaVersion()))
}
val (bridgeDep, bridgeName, bridgeVersion) =
if (isDotty(scalaVersion0)) {
val org = scalaOrganization()
val name = "dotty-sbt-bridge"
val version = scalaVersion()
(ivy"$org:$name:$version", name, version)
} else {
val org = "org.scala-sbt"
val name = "compiler-bridge"
val version = Versions.zinc
(ivy"$org::$name:$version", s"${name}_$scalaBinaryVersion0", version)
}
resolveDependencies(
repositories,
Lib.depToDependency(_, scalaVersion0, platformSuffix()),
Seq(bridgeDep),
sources = true
).map(deps =>
grepJar(deps.map(_.path), bridgeName, s"$bridgeVersion-sources")
)
}
def scalacPluginClasspath: T[Agg[PathRef]] = T {
resolveDeps(scalacPluginIvyDeps)()
}
def scalaLibraryIvyDeps = T{ scalaRuntimeIvyDeps(scalaOrganization(), scalaVersion()) }
/**
* Classpath of the Scala Compiler & any compiler plugins
*/
def scalaCompilerClasspath: T[Agg[PathRef]] = T{
resolveDeps(
T.task{scalaCompilerIvyDeps(scalaOrganization(), scalaVersion()) ++
scalaRuntimeIvyDeps(scalaOrganization(), scalaVersion())}
)()
}
override def compileClasspath = T{
transitiveLocalClasspath() ++
resources() ++
unmanagedClasspath() ++
resolveDeps(T.task{compileIvyDeps() ++ scalaLibraryIvyDeps() ++ transitiveIvyDeps()})()
}
override def upstreamAssemblyClasspath = T{
transitiveLocalClasspath() ++
unmanagedClasspath() ++
resolveDeps(T.task{runIvyDeps() ++ scalaLibraryIvyDeps() ++ transitiveIvyDeps()})()
}
override def compile: T[CompilationResult] = T.persistent{
zincWorker.worker().compileMixed(
upstreamCompileOutput(),
allSourceFiles().map(_.path),
compileClasspath().map(_.path),
javacOptions(),
scalaVersion(),
scalacOptions(),
scalaCompilerBridgeSources(),
scalaCompilerClasspath().map(_.path),
scalacPluginClasspath().map(_.path),
)
}
override def docJar = T {
val outDir = T.ctx().dest
val javadocDir = outDir / 'javadoc
mkdir(javadocDir)
val files = for{
ref <- allSources()
if exists(ref.path)
p <- (if (ref.path.isDir) ls.rec(ref.path) else Seq(ref.path))
if (p.isFile && ((p.ext == "scala") || (p.ext == "java")))
} yield p.toNIO.toString
val pluginOptions = scalacPluginClasspath().map(pluginPathRef => s"-Xplugin:${pluginPathRef.path}")
val options = Seq("-d", javadocDir.toNIO.toString, "-usejavacp") ++ pluginOptions ++ scalacOptions()
if (files.nonEmpty) subprocess(
"scala.tools.nsc.ScalaDoc",
scalaCompilerClasspath().map(_.path) ++ compileClasspath().filter(_.path.ext != "pom").map(_.path),
mainArgs = (files ++ options).toSeq
)
createJar(Agg(javadocDir))(outDir)
}
def console() = T.command{
if (T.ctx().log.inStream == DummyInputStream){
Result.Failure("repl needs to be run with the -i/--interactive flag")
}else{
Jvm.interactiveSubprocess(
mainClass =
if (isDotty(scalaVersion()))
"dotty.tools.repl.Main"
else
"scala.tools.nsc.MainGenericRunner",
classPath = runClasspath().map(_.path) ++ scalaCompilerClasspath().map(_.path),
mainArgs = Seq("-usejavacp"),
workingDir = pwd
)
Result.Success()
}
}
def ammoniteReplClasspath = T{
localClasspath() ++
transitiveLocalClasspath() ++
unmanagedClasspath() ++
resolveDeps(T.task{
runIvyDeps() ++ scalaLibraryIvyDeps() ++ transitiveIvyDeps() ++
Agg(ivy"com.lihaoyi:::ammonite:${Versions.ammonite}")
})()
}
def repl(replOptions: String*) = T.command{
if (T.ctx().log.inStream == DummyInputStream){
Result.Failure("repl needs to be run with the -i/--interactive flag")
}else{
Jvm.interactiveSubprocess(
mainClass = "ammonite.Main",
classPath = ammoniteReplClasspath().map(_.path),
mainArgs = replOptions,
workingDir = pwd
)
Result.Success()
}
}
// publish artifact with name "mill_2.12.4" instead of "mill_2.12"
def crossFullScalaVersion: T[Boolean] = false
def artifactScalaVersion: T[String] = T {
if (crossFullScalaVersion()) scalaVersion()
else Lib.scalaBinaryVersion(scalaVersion())
}
def artifactSuffix: T[String] = s"_${artifactScalaVersion()}"
override def artifactId: T[String] = artifactName() + artifactSuffix()
}
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