From f98e9e4143a113ac1020ed20c5e01b41aa29efe5 Mon Sep 17 00:00:00 2001
From: Henry Cook
Date: Wed, 5 Aug 2015 00:54:32 -0700
Subject: Massive Driver simplification, some tweaks to Parameter api

---
 src/main/scala/Chisel/Error.scala | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/main/scala/Chisel/Error.scala')

diff --git a/src/main/scala/Chisel/Error.scala b/src/main/scala/Chisel/Error.scala
index 1ad5414d..287b65eb 100644
--- a/src/main/scala/Chisel/Error.scala
+++ b/src/main/scala/Chisel/Error.scala
@@ -31,6 +31,16 @@
 package Chisel
 import scala.collection.mutable.ArrayBuffer
 
+class ChiselException(message: String, cause: Throwable) extends Exception(message, cause)
+
+object throwException {
+  def apply(s: String, t: Throwable = null) = {
+    val xcpt = new ChiselException(s, t)
+    ChiselError.findFirstUserLine(xcpt.getStackTrace) foreach { u => xcpt.setStackTrace(Array(u)) }
+    throw xcpt
+  }
+}
+
 /** This Singleton implements a log4j compatible interface.
   It is used through out the Chisel package to report errors and warnings
   detected at runtime.
@@ -39,6 +49,9 @@ object ChiselError {
   var hasErrors: Boolean = false;
   val ChiselErrors = new ArrayBuffer[ChiselError];
 
+  var startTime = System.currentTimeMillis
+  def elapsedTime: Long = System.currentTimeMillis - startTime
+
   def clear() {
     ChiselErrors.clear()
     hasErrors = false
@@ -58,7 +71,7 @@ object ChiselError {
   /** Emit an informational message
     (useful to track long running passes) */
   def info(m: String): Unit =
-    println(tag("info", Console.MAGENTA) + " [%2.3f] ".format(Driver.elapsedTime/1e3) + m)
+    println(tag("info", Console.MAGENTA) + " [%2.3f] ".format(elapsedTime/1e3) + m)
 
   /** emit a warning message */
   def warning(m: => String) {
-- 
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