From 17d2bd8926528fa33458b0d5a26f5c0aeb7502c3 Mon Sep 17 00:00:00 2001
From: Henry Cook <hcook@s144.Millennium.Berkeley.EDU>
Date: Sat, 20 Oct 2012 17:27:49 -0700
Subject: [PATCH] Initial version of sbt tasks (elaborate task with no
 parameters)

---
 chisel              |  2 +-
 project/build.scala | 34 ++++++++++++++++++++++++++++------
 2 files changed, 29 insertions(+), 7 deletions(-)

diff --git a/chisel b/chisel
index da1d0bf1..bc4e7688 160000
--- a/chisel
+++ b/chisel
@@ -1 +1 @@
-Subproject commit da1d0bf1ea94ded2088d5812b53eac5eb379cdbb
+Subproject commit bc4e7688efe1630c50a06aa114a4e827f367a04e
diff --git a/project/build.scala b/project/build.scala
index a2c03c50..4e6999a0 100644
--- a/project/build.scala
+++ b/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)
+
+
+
+  
+  
 }