diff options
Diffstat (limited to 'plugins/scalafix/Scalafix.scala')
-rw-r--r-- | plugins/scalafix/Scalafix.scala | 76 |
1 files changed, 57 insertions, 19 deletions
diff --git a/plugins/scalafix/Scalafix.scala b/plugins/scalafix/Scalafix.scala index cf808d7..e95840c 100644 --- a/plugins/scalafix/Scalafix.scala +++ b/plugins/scalafix/Scalafix.scala @@ -1,28 +1,66 @@ package cbt -import cbt._ -import java.nio.file.Files._ -import java.nio.file._ import java.io.File -trait Scalafix extends BaseBuild { - def scalafixVersion = "0.3.1" +import scala.meta._ +import scala.meta.semantic.v1._ +import scala.meta.{ Symbol => _, _ } +import scalafix._, rewrite._, config._, util._ +import org.scalameta.{logger => scalametaLogger} + +import cbt._ - override def scalacOptions = super.scalacOptions ++ - Scalafix.scalacOptions(projectDirectory.toPath, - Resolver( mavenCentral, sonatypeReleases ).bindOne( - ScalaDependency( "ch.epfl.scala", "scalafix-nsc", scalafixVersion ) - ).jar) +trait Scalafix extends Scalameta{ + def scalafix = Scalafix.apply( lib ).config( + classpath, + sourceFiles zip sourceFiles + ) } -object Scalafix { - def scalacOptions( rootPath: Path, nscJar: File ) = - Seq( - "-Xplugin:" ++ nscJar.string, - "-Yrangepos" - ) ++ configOption(rootPath) +object Scalafix{ + case class apply( lib: Lib ){ + case class config( + classpath: ClassPath, + files: Seq[(File,File)], + patches: Seq[Patch] = Seq(), + rewrites: Seq[ Rewrite[ScalafixMirror] ] = Seq(), + allowEmpty: Boolean = false + ){ + def mirror = + Mirror( + classpath.string, + files.map(_._1).mkString(File.pathSeparator) + ) + + def context(file: File): ( RewriteCtx[Mirror], RewriteCtx[ScalafixMirror] ) = ( + scalafix.rewrite.RewriteCtx( + mirror.dialect(file).parse[Source].get, ScalafixConfig(), mirror + ), + scalafix.rewrite.RewriteCtx( + mirror.dialect(file).parse[Source].get, ScalafixConfig(), ScalafixMirror.fromMirror( mirror ) + ) + ) - def configOption( rootPath: Path ) = - Some( rootPath.resolve(".scalafix.conf").toAbsolutePath ) - .filter(isRegularFile(_)).map("-P:scalafix:" ++ _.toString).toSeq + def apply: Unit = { + require( + allowEmpty || rewrites.nonEmpty || patches.nonEmpty, + "You need to provide some rewrites via: `override def scalafix = super.scalafix.copy( rewrites = Seq(...) )`" + ) + files.foreach{ case (from, to) => + implicit val ( ctx, ctx2 ) = context(from) + lib.writeIfChanged( + to, + Patch( + ( + patches + ++ rewrites.flatMap( + _.rewrite( ctx2 ).to + ) + ).to + ) + ) + } + } + } + } } |