added a cbt plugin for the kind-projector compiler plugin

1 files changed, 28 insertions, 0 deletions

diff --git a/stage2/plugins/KindProjector.scala b/stage2/plugins/KindProjector.scala
new file mode 100644
index 0000000..1e04a08
--- /dev/null
+++ b/stage2/plugins/KindProjector.scala
@@ -0,0 +1,28 @@
+package cbt
+
+trait KindProjectorPlugin extends BaseBuild {
+  def kindProjectorVersion = "0.9.4"
+
+  override def scalacOptions = super.scalacOptions ++
+    KindProjector.scalacOptions(
+      KindProjector.dependencies( scalaMajorVersion, kindProjectorVersion, context.cbtLastModified, context.paths.mavenCache ).jar
+    )
+}
+
+object KindProjector {
+  def dependencies(
+                    scalaMajorVersion: String, kindProjectorVersion: String, cbtLastModified: Long, mavenCache: java.io.File
+                  )(
+                    implicit logger: Logger, transientCache: java.util.Map[AnyRef,AnyRef], classLoaderCache: ClassLoaderCache
+                  ) =
+    MavenResolver( cbtLastModified, mavenCache, mavenCentral ).bindOne(
+      MavenDependency(
+        "org.spire-math", "kind-projector_"+scalaMajorVersion, kindProjectorVersion
+      )
+    )
+
+  def scalacOptions( jarPath: File ) =
+    Seq(
+      "-Xplugin:" ++ jarPath.string
+    )
+}