From 132b80edee2fb8e730d3b6f5eb5f36051a819525 Mon Sep 17 00:00:00 2001
From: Jack Koenig
Date: Tue, 10 Jan 2017 18:34:13 -0800
Subject: Add counter for depth of when scope

---
 chiselFrontend/src/main/scala/chisel3/internal/Builder.scala | 5 +++++
 1 file changed, 5 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 d8202da6..9e389788 100644
--- a/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala
+++ b/chiselFrontend/src/main/scala/chisel3/internal/Builder.scala
@@ -150,6 +150,7 @@ private[chisel3] class DynamicContext() {
   // Set by object Module.apply before calling class Module constructor
   // Used to distinguish between no Module() wrapping, multiple wrappings, and rewrapping
   var readyForModuleConstr: Boolean = false
+  var whenDepth: Int = 0 // Depth of when nesting
   val errors = new ErrorLog
   val namingStack = new internal.naming.NamingStack
 }
@@ -181,6 +182,10 @@ private[chisel3] object Builder {
   def readyForModuleConstr_=(target: Boolean): Unit = {
     dynamicContext.readyForModuleConstr = target
   }
+  def whenDepth: Int = dynamicContext.whenDepth
+  def whenDepth_=(target: Int): Unit = {
+    dynamicContext.whenDepth = target
+  }
 
   // TODO(twigg): Ideally, binding checks and new bindings would all occur here
   // However, rest of frontend can't support this yet.
-- 
cgit v1.2.3