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package mill.main
import scala.collection.mutable
import mill.api.Strict.Agg
import mill.define.Applicative.ApplyHandler
import mill.define.Segment.Label
import mill.define._
import mill.eval.{Evaluator, Result}
object ReplApplyHandler{
def apply[T](home: os.Path,
disableTicker: Boolean,
colors: ammonite.util.Colors,
pprinter0: pprint.PPrinter,
rootModule: mill.define.BaseModule,
discover: Discover[_],
debugLog: Boolean,
keepGoing: Boolean,
systemProperties: Map[String, String]): ReplApplyHandler = {
new ReplApplyHandler(
pprinter0,
new Evaluator(
home,
ammonite.ops.pwd / 'out,
ammonite.ops.pwd / 'out,
rootModule,
new mill.util.PrintLogger(
colors != ammonite.util.Colors.BlackWhite,
disableTicker,
colors,
System.out,
System.err,
System.err,
System.in,
debugEnabled = debugLog
),
failFast = !keepGoing
),
systemProperties
)
}
def pprintCross(c: mill.define.Cross[_], evaluator: Evaluator) = {
pprint.Tree.Lazy( ctx =>
Iterator(c.millOuterCtx.enclosing , ":", c.millOuterCtx.lineNum.toString, ctx.applyPrefixColor("\nChildren:").toString) ++
c.items.iterator.map(x =>
"\n (" + x._1.map(pprint.PPrinter.BlackWhite.apply(_)).mkString(", ") + ")"
)
)
}
def pprintModule(m: mill.define.Module, evaluator: Evaluator) = {
pprint.Tree.Lazy( ctx =>
Iterator(m.millInternal.millModuleEnclosing, ":", m.millInternal.millModuleLine.toString) ++
(if (m.millInternal.reflectAll[mill.Module].isEmpty) Nil
else
ctx.applyPrefixColor("\nChildren:").toString +:
m.millInternal.reflectAll[mill.Module].map("\n ." + _.millOuterCtx.segment.pathSegments.mkString("."))) ++
(evaluator.rootModule.millDiscover.value.get(m.getClass) match{
case None => Nil
case Some(commands) =>
ctx.applyPrefixColor("\nCommands:").toString +: commands.map{c =>
"\n ." + c._2.name + "(" +
c._2.argSignatures.map(s => s.name + ": " + s.typeString).mkString(", ") +
")()"
}
}) ++
(if (m.millInternal.reflectAll[Target[_]].isEmpty) Nil
else {
Seq(ctx.applyPrefixColor("\nTargets:").toString) ++
m.millInternal.reflectAll[Target[_]].map(t =>
"\n ." + t.label + "()"
)
})
)
}
def resolveParents(c: Class[_]): Seq[Class[_]] = {
Seq(c) ++ Option(c.getSuperclass).toSeq.flatMap(resolveParents) ++ c.getInterfaces.flatMap(resolveParents)
}
def pprintTask(t: NamedTask[_], evaluator: Evaluator) = {
val seen = mutable.Set.empty[Task[_]]
def rec(t: Task[_]): Seq[Segments] = {
if (seen(t)) Nil // do nothing
else t match {
case t: Target[_] if evaluator.rootModule.millInternal.targets.contains(t) =>
Seq(t.ctx.segments)
case _ =>
seen.add(t)
t.inputs.flatMap(rec)
}
}
val annots = for {
c <- resolveParents(t.ctx.enclosingCls)
m <- c.getMethods
if m.getName == t.ctx.segment.pathSegments.head
a = m.getAnnotation(classOf[mill.moduledefs.Scaladoc])
if a != null
}yield a
val allDocs =
for(a <- annots.distinct)
yield mill.modules.Util.cleanupScaladoc(a.value).map("\n " + _).mkString
pprint.Tree.Lazy(ctx =>
Iterator(
ctx.applyPrefixColor(t.toString).toString, "(", t.ctx.fileName.split('/').last, ":", t.ctx.lineNum.toString, ")",
allDocs.mkString("\n"), "\n",
"\n", ctx.applyPrefixColor("Inputs").toString, ":"
) ++ t.inputs.iterator.flatMap(rec).map("\n " + _.render)
)
}
}
class ReplApplyHandler(pprinter0: pprint.PPrinter,
val evaluator: Evaluator,
systemProperties: Map[String, String]) extends ApplyHandler[Task] {
systemProperties.foreach {case (k,v) =>
System.setProperty(k,v)
}
// Evaluate classLoaderSig only once in the REPL to avoid busting caches
// as the user enters more REPL commands and changes the classpath
val classLoaderSig = Evaluator.classLoaderSig
override def apply[V](t: Task[V]) = {
val res = evaluator.evaluate(Agg(t))
res.values match{
case Seq(head: V) => head
case Nil =>
val msg = new mutable.StringBuilder()
msg.append(res.failing.keyCount + " targets failed\n")
for((k, vs) <- res.failing.items){
msg.append(k match{
case Left(t) => "Anonymous Task\n"
case Right(k) => k.segments.render + "\n"
})
for(v <- vs){
v match{
case Result.Failure(m, _) => msg.append(m + "\n")
case Result.Exception(t, outerStack) =>
msg.append(
t.toString +
t.getStackTrace.dropRight(outerStack.value.length).map("\n " + _).mkString +
"\n"
)
}
}
}
throw new Exception(msg.toString)
}
}
val generatedEval = new EvalGenerated(evaluator)
val millHandlers: PartialFunction[Any, pprint.Tree] = {
case c: Cross[_] =>
ReplApplyHandler.pprintCross(c, evaluator)
case m: mill.Module if evaluator.rootModule.millInternal.modules.contains(m) =>
ReplApplyHandler.pprintModule(m, evaluator)
case t: mill.define.Target[_] if evaluator.rootModule.millInternal.targets.contains(t) =>
ReplApplyHandler.pprintTask(t, evaluator)
}
val pprinter = pprinter0.copy(
additionalHandlers = millHandlers orElse pprinter0.additionalHandlers
)
}
|
