Actually parse "--targetDir"

I'm trying to get RocketChip to work with Chisel3 again, and we need to
run in multiple directories.  This fixes the workaround I made earlier
to actually parse the passed command-line arguments so I can emit FIRRTL
in the correct directory.

1 files changed, 9 insertions, 2 deletions

diff --git a/src/main/scala/Chisel/Driver.scala b/src/main/scala/Chisel/Driver.scala
index a6f61f69..61b74dcd 100644
--- a/src/main/scala/Chisel/Driver.scala
+++ b/src/main/scala/Chisel/Driver.scala
@@ -114,6 +114,13 @@ object Driver extends BackendCompilationUtilities {
     f
   }
 
-  // FIXME: This is hard coded and should come in from a command-line argument
-  def targetDir(): String = { "vsim/generated-src" }
+  private var target_dir: Option[String] = None
+  def parseArgs(args: Array[String]): Unit = {
+    for (i <- 0 until args.size) {
+      if (args(i) == "--targetDir")
+        target_dir = Some(args(i+1))
+    }
+  }
+
+  def targetDir(): String = { target_dir.get }
 }