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package forge
package scalaplugin
import java.io.File
import ammonite.ops.{Path, ls, mkdir, pwd}
import coursier.{Cache, Dependency, Fetch, MavenRepository, Module, Repository, Resolution}
import forge.Target.Cacher
import forge.eval.PathRef
import play.api.libs.json._
import sbt.internal.inc.{FreshCompilerCache, ScalaInstance, ZincUtil}
import sbt.internal.util.{ConsoleOut, MainAppender}
import sbt.util.LogExchange
import xsbti.api.{ClassLike, DependencyContext}
import xsbti.compile.DependencyChanges
import scalaz.concurrent.Task
object Subproject{
def compileScala(scalaVersion: T[String],
sources: T[PathRef],
compileClasspath: T[Seq[PathRef]],
outputPath: T[Path]): T[PathRef] = {
for((scalaVersion, sources, compileClasspath, outputPath) <- zip(scalaVersion, sources, compileClasspath, outputPath))
yield {
val binaryScalaVersion = scalaVersion.split('.').dropRight(1).mkString(".")
def grepJar(s: String) = {
compileClasspath
.find(_.path.toString.endsWith(s))
.getOrElse(throw new Exception("Cannot find " + s))
.path
.toIO
}
val scalac = ZincUtil.scalaCompiler(
new ScalaInstance(
version = scalaVersion,
loader = getClass.getClassLoader,
libraryJar = grepJar(s"scala-library-$scalaVersion.jar"),
compilerJar = grepJar(s"scala-compiler-$scalaVersion.jar"),
allJars = compileClasspath.toArray.map(_.path.toIO),
explicitActual = None
),
grepJar(s"compiler-bridge_$binaryScalaVersion-1.0.3.jar")
)
mkdir(outputPath)
scalac.apply(
sources = ls.rec(sources.path).filter(_.isFile).map(_.toIO).toArray,
changes = new DependencyChanges {
def isEmpty = true
def modifiedBinaries() = Array[File]()
def modifiedClasses() = Array[String]()
},
classpath = compileClasspath.map(_.path.toIO).toArray,
singleOutput = outputPath.toIO,
options = Array(),
callback = new xsbti.AnalysisCallback {
def startSource(source: File) = ()
def apiPhaseCompleted() = ()
def enabled() = true
def binaryDependency(onBinaryEntry: File, onBinaryClassName: String, fromClassName: String, fromSourceFile: File, context: DependencyContext) = ()
def generatedNonLocalClass(source: File, classFile: File, binaryClassName: String, srcClassName: String) = ()
def problem(what: String, pos: xsbti.Position, msg: String, severity: xsbti.Severity, reported: Boolean) = ()
def dependencyPhaseCompleted() = ()
def classDependency(onClassName: String, sourceClassName: String, context: DependencyContext) = ()
def generatedLocalClass(source: File, classFile: File) = ()
def api(sourceFile: File, classApi: ClassLike) = ()
def mainClass(sourceFile: File, className: String) = ()
def usedName(className: String, name: String, useScopes: java.util.EnumSet[xsbti.UseScope]) = ()
},
maximumErrors = 10,
cache = new FreshCompilerCache(),
log = {
val console = ConsoleOut.systemOut
val consoleAppender = MainAppender.defaultScreen(console)
val l = LogExchange.logger("Hello")
LogExchange.unbindLoggerAppenders("Hello")
LogExchange.bindLoggerAppenders("Hello", (consoleAppender -> sbt.util.Level.Warn) :: Nil)
l
}
)
PathRef(outputPath)
}
}
def createJar(sourceDirs: T[Seq[PathRef]]) = ???
def resolveDependencies(repositories: Seq[Repository],
scalaVersion: String,
scalaBinaryVersion: String,
deps: Seq[ScalaDep]): Seq[PathRef] = {
val flattened = deps.map{
case ScalaDep.Java(dep) => dep
case ScalaDep.Scala(dep) => dep.copy(module = dep.module.copy(name = dep.module.name + "_" + scalaBinaryVersion))
case ScalaDep.Point(dep) => dep.copy(module = dep.module.copy(name = dep.module.name + "_" + scalaVersion))
}.toSet
val start = Resolution(flattened)
val fetch = Fetch.from(repositories, Cache.fetch())
val resolution = start.process.run(fetch).unsafePerformSync
val localArtifacts: Seq[File] = Task
.gatherUnordered(resolution.artifacts.map(Cache.file(_).run))
.unsafePerformSync
.flatMap(_.toOption)
localArtifacts.map(p => PathRef(Path(p)))
}
def scalaCompilerIvyDeps(scalaVersion: String) = Seq[ScalaDep](
Dependency(Module("org.scala-lang", "scala-compiler"), scalaVersion),
ScalaDep.Scala(Dependency(Module("org.scala-sbt", s"compiler-bridge"), "1.0.3"))
)
def scalaRuntimeIvyDeps(scalaVersion: String) = Seq[ScalaDep](
Dependency(Module("org.scala-lang", "scala-library"), scalaVersion)
)
sealed trait ScalaDep
object ScalaDep{
case class Java(dep: coursier.Dependency) extends ScalaDep
implicit def default(dep: coursier.Dependency): ScalaDep = new Java(dep)
def apply(dep: coursier.Dependency) = Scala(dep)
case class Scala(dep: coursier.Dependency) extends ScalaDep
case class Point(dep: coursier.Dependency) extends ScalaDep
implicit def formatter: Format[ScalaDep] = new Format[ScalaDep]{
def writes(o: ScalaDep) = o match{
case Java(dep) => Json.obj("Java" -> Json.toJson(dep))
case Scala(dep) => Json.obj("Scala" -> Json.toJson(dep))
case Point(dep) => Json.obj("PointScala" -> Json.toJson(dep))
}
def reads(json: JsValue) = json match{
case obj: JsObject =>
obj.fields match{
case Seq(("Java", dep)) => Json.fromJson[coursier.Dependency](dep).map(Java)
case Seq(("Scala", dep)) => Json.fromJson[coursier.Dependency](dep).map(Scala)
case Seq(("PointScala", dep)) => Json.fromJson[coursier.Dependency](dep).map(Point)
case _ => JsError("Invalid JSON object to parse ScalaDep")
}
case _ => JsError("Expected JSON object to parse ScalaDep")
}
}
}
}
import Subproject._
abstract class Subproject extends Cacher{
def scalaVersion: T[String]
def scalaBinaryVersion = T{ scalaVersion().split('.').dropRight(1).mkString(".") }
def ivyDeps = T{ Seq[ScalaDep]() }
def compileIvyDeps = T{ Seq[ScalaDep]() }
def runIvyDeps = T{ Seq[ScalaDep]() }
def basePath: T[Path]
val repositories: Seq[Repository] = Seq(
Cache.ivy2Local,
MavenRepository("https://repo1.maven.org/maven2")
)
def depClasspath = T{ Seq.empty[PathRef] }
def compileDepClasspath = T[Seq[PathRef]] {
depClasspath() ++ resolveDependencies(
repositories,
scalaVersion(),
scalaBinaryVersion(),
ivyDeps() ++ compileIvyDeps() ++ scalaCompilerIvyDeps(scalaVersion())
)
}
def runDepClasspath = T[Seq[PathRef]] {
depClasspath() ++ resolveDependencies(
repositories,
scalaVersion(),
scalaBinaryVersion(),
ivyDeps() ++ runIvyDeps() ++ scalaRuntimeIvyDeps(scalaVersion())
)
}
def sources = T{ PathRef(basePath() / 'src) }
def outputPath = T{ basePath() / 'out }
def resources = T{ PathRef(basePath() / 'resources) }
def compiledPath = T{ outputPath() / 'classpath }
def compiled = T{
compileScala(scalaVersion, sources, compileDepClasspath, outputPath)
}
def classpath = T{ Seq(resources(), compiled()) }
// val jar = T{ createJar(classpath) }
}
|
