1 files changed, 76 insertions, 0 deletions
diff --git a/scalalib/api/src/ZincWorkerApi.scala b/scalalib/api/src/ZincWorkerApi.scala
new file mode 100644
index 00000000..c5230ec5
--- /dev/null
+++ b/scalalib/api/src/ZincWorkerApi.scala
@@ -0,0 +1,76 @@
+package mill.scalalib.api
+
+import mill.api.Loose.Agg
+import mill.api.PathRef
+import mill.api.JsonFormatters._
+
+trait ZincWorkerApi {
+  /** Compile a Java-only project */
+  def compileJava(upstreamCompileOutput: Seq[CompilationResult],
+                  sources: Agg[os.Path],
+                  compileClasspath: Agg[os.Path],
+                  javacOptions: Seq[String])
+                 (implicit ctx: mill.api.Ctx): mill.api.Result[CompilationResult]
+
+  /** Compile a mixed Scala/Java or Scala-only project */
+  def compileMixed(upstreamCompileOutput: Seq[CompilationResult],
+                   sources: Agg[os.Path],
+                   compileClasspath: Agg[os.Path],
+                   javacOptions: Seq[String],
+                   scalaVersion: String,
+                   scalacOptions: Seq[String],
+                   compilerBridgeSources: os.Path,
+                   compilerClasspath: Agg[os.Path],
+                   scalacPluginClasspath: Agg[os.Path])
+                  (implicit ctx: mill.api.Ctx): mill.api.Result[CompilationResult]
+
+  def discoverMainClasses(compilationResult: CompilationResult)
+                         (implicit ctx: mill.api.Ctx): Seq[String]
+
+  def docJar(scalaVersion: String,
+             compilerBridgeSources: os.Path,
+             compilerClasspath: Agg[os.Path],
+             scalacPluginClasspath: Agg[os.Path],
+             args: Seq[String])
+            (implicit ctx: mill.api.Ctx): Boolean
+}
+
+
+object CompilationResult {
+  implicit val jsonFormatter: upickle.default.ReadWriter[CompilationResult] = upickle.default.macroRW
+}
+
+// analysisFile is represented by os.Path, so we won't break caches after file changes
+case class CompilationResult(analysisFile: os.Path, classes: PathRef)
+
+object Util{
+  def isDotty(scalaVersion: String) =
+    scalaVersion.startsWith("0.")
+
+
+  def grepJar(classPath: Agg[os.Path], name: String, version: String, sources: Boolean = false) = {
+    val suffix = if (sources) "-sources" else ""
+    val mavenStylePath = s"$name-$version$suffix.jar"
+    val ivyStylePath = {
+      val dir = if (sources) "srcs" else "jars"
+      s"$version/$dir/$name$suffix.jar"
+    }
+
+    classPath
+      .find(p => p.toString.endsWith(mavenStylePath) || p.toString.endsWith(ivyStylePath))
+      .getOrElse(throw new Exception(s"Cannot find $mavenStylePath or $ivyStylePath"))
+  }
+
+  private val ReleaseVersion = raw"""(\d+)\.(\d+)\.(\d+)""".r
+  private val MinorSnapshotVersion = raw"""(\d+)\.(\d+)\.([1-9]\d*)-SNAPSHOT""".r
+  private val DottyVersion = raw"""0\.(\d+)\.(\d+).*""".r
+
+  def scalaBinaryVersion(scalaVersion: String) = {
+    scalaVersion match {
+      case ReleaseVersion(major, minor, _) => s"$major.$minor"
+      case MinorSnapshotVersion(major, minor, _) => s"$major.$minor"
+      case DottyVersion(minor, _) => s"0.$minor"
+      case _ => scalaVersion
+    }
+  }
+}
+\ No newline at end of file