Disambiguate old-style/new-style macro compiler plugin builds

1 files changed, 29 insertions, 0 deletions

diff --git a/stage2/plugins/NewStyleMacros.scala b/stage2/plugins/NewStyleMacros.scala
new file mode 100644
index 0000000..42b3287
--- /dev/null
+++ b/stage2/plugins/NewStyleMacros.scala
@@ -0,0 +1,29 @@
+package cbt
+import java.io.File
+
+trait NewStyleMacros extends BaseBuild{
+  def newStyleMacrosVersion = "3.0.0-M9"
+
+  override def scalacOptions = super.scalacOptions ++ NewStyleMacros.scalacOptions(
+    NewStyleMacros.dependencies( scalaVersion, newStyleMacrosVersion, context.cbtLastModified, context.paths.mavenCache ).jar
+  )
+}
+
+object NewStyleMacros{
+  def dependencies(
+    scalaVersion: String, newStyleMacrosVersion: 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.scalameta", "paradise_"+scalaVersion, newStyleMacrosVersion )
+    )
+
+  def scalacOptions( jarPath: File ) =
+    Seq(
+      "-Xplugin:" ++ jarPath.string,
+      "-Yrangepos",
+      "-Xplugin-require:macroparadise"
+    )
+}
+