From 2e62da09ed1ed0725a14185ae76a683da73b32f4 Mon Sep 17 00:00:00 2001
From: Jim Lawson
Date: Thu, 10 Nov 2016 10:05:15 -0800
Subject: Throw exceptions for cloneType failures - fix #358 Add a
 Builder.exception() method for those cases where continuing is likely to mask
 the initial error.

---
 chiselFrontend/src/main/scala/chisel3/internal/Builder.scala | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'chiselFrontend/src/main/scala/chisel3/internal')

diff --git a/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala b/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala
index b4b0e028..32ba248c 100644
--- a/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala
+++ b/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala
@@ -188,6 +188,16 @@ private[chisel3] object Builder {
   def warning(m: => String): Unit = errors.warning(m)
   def deprecated(m: => String): Unit = errors.deprecated(m)
 
+  /** Record an exception as an error, and throw it.
+    *
+    * @param m exception message
+    */
+  @throws(classOf[ChiselException])
+  def exception(m: => String): Unit = {
+    error(m)
+    throwException(m)
+  }
+
   def build[T <: Module](f: => T): Circuit = {
     dynamicContextVar.withValue(Some(new DynamicContext())) {
       errors.info("Elaborating design...")
-- 
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