Initial version of sbt tasks (elaborate task with no parameters)

chisel

@@ -1 +1 @@
-Subproject commit da1d0bf1ea94ded2088d5812b53eac5eb379cdbb
+Subproject commit bc4e7688efe1630c50a06aa114a4e827f367a04e

project/build.scala

@@ -1,21 +1,38 @@
 import sbt._
 import Keys._
 
-object BuildSettings {
+object BuildSettings extends Build {
   val buildOrganization = "berkeley"
   val buildVersion = "1.1"
   val buildScalaVersion = "2.9.2"
 
+  val packageDependencies = TaskKey[Seq[java.io.File]]("package-dependencies", "get package deps")
+  val elaborateTask = TaskKey[Unit]("elaborate", "convert chisel components into backend source code")
+
+
   val buildSettings = Defaults.defaultSettings ++ Seq (
     //unmanagedBase <<= baseDirectory { base => base / ".." / custom_lib" },
     organization := buildOrganization,
     version      := buildVersion,
-    scalaVersion := buildScalaVersion
-  )
-}
+    scalaVersion := buildScalaVersion,
+    elaborateTask <<= fullClasspath in Runtime map {
+      (cp: Classpath) => { 
+        val projName = "ReferenceChip"
+        val dir = "../emulator/generated-src"
+        val backend = "c"
+        val chiselArgs = Array[String]( "--targetDir", dir, "--backend", backend)
+        val classLoader = new java.net.URLClassLoader(cp.map(_.data.toURL).toArray, cp.getClass.getClassLoader)
+        val chiselMainClass = classLoader.loadClass("Chisel.chiselMain$")
+        val chiselMainObject = chiselMainClass.getDeclaredFields.head.get(null)
+        val chiselMain = chiselMainClass.getMethod("run", classOf[Array[String]], classOf[Function0[_]])
+        val component = classLoader.loadClass(projName+".Top")
+        val generator = () => component.newInstance()
+        chiselMain.invoke(chiselMainObject, Array(chiselArgs, generator):_*)
+      }
+    }
+
+  )
 
-object ChiselBuild extends Build{
-  import BuildSettings._
 
   lazy val chisel = Project("chisel", file("chisel"), settings = buildSettings)
   lazy val hardfloat = Project("hardfloat", file("hardfloat"), settings = buildSettings) dependsOn(chisel)
@@ -23,4 +40,9 @@ object ChiselBuild extends Build{
   lazy val uncore = Project("uncore", file("uncore"), settings = buildSettings) dependsOn(chisel)
   lazy val rocket = Project("rocket", file("rocket"), settings = buildSettings) dependsOn(uncore,hwacha,hardfloat,chisel)
   lazy val referencechip = Project("referencechip", file("referencechip"), settings = buildSettings) dependsOn(chisel,rocket)
+
+
+
+  
+  
 }