mirror of https://github.com/sbt/sbt.git
39 lines
1.2 KiB
Scala
39 lines
1.2 KiB
Scala
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import sbt._
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import Keys._
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import StringUtilities.normalize
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object Util {
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lazy val scalaKeywords = TaskKey[Set[String]]("scala-keywords")
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lazy val generateKeywords = TaskKey[File]("generateKeywords")
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lazy val javaOnlySettings = Seq[Setting[_]](
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compileOrder := CompileOrder.JavaThenScala,
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unmanagedSourceDirectories in Compile <<= Seq(javaSource in Compile).join
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)
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def getScalaKeywords: Set[String] =
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{
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val g = new scala.tools.nsc.Global(new scala.tools.nsc.Settings)
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g.nme.keywords.map(_.toString)
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}
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def writeScalaKeywords(base: File, keywords: Set[String]): File =
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{
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val init = keywords.map(tn => '"' + tn + '"').mkString("Set(", ", ", ")")
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val ObjectName = "ScalaKeywords"
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val PackageName = "sbt"
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val keywordsSrc =
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"""package %s
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object %s {
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val values = %s
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}""".format(PackageName, ObjectName, init)
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val out = base / PackageName.replace('.', '/') / (ObjectName + ".scala")
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IO.write(out, keywordsSrc)
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out
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}
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def keywordsSettings: Seq[Setting[_]] = inConfig(Compile)(Seq(
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scalaKeywords := getScalaKeywords,
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generateKeywords <<= (sourceManaged, scalaKeywords) map writeScalaKeywords,
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sourceGenerators <+= generateKeywords map (x => Seq(x))
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))
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}
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