From 867738f39ba9e3893a3602c385986e3d5d82b8e8 Mon Sep 17 00:00:00 2001
From: Tynan McAuley <tynan@niobiummicrosystems.com>
Date: Tue, 12 Mar 2024 08:49:55 -0700
Subject: [PATCH] Add error message in LazyModule construction

This just ports https://github.com/chipsalliance/rocket-chip/pull/3569
to this repo.
---
 diplomacy/src/diplomacy/lazymodule/LazyModuleImp.scala | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/diplomacy/src/diplomacy/lazymodule/LazyModuleImp.scala b/diplomacy/src/diplomacy/lazymodule/LazyModuleImp.scala
index 7d3f63c..5322192 100644
--- a/diplomacy/src/diplomacy/lazymodule/LazyModuleImp.scala
+++ b/diplomacy/src/diplomacy/lazymodule/LazyModuleImp.scala
@@ -67,7 +67,14 @@ sealed trait LazyModuleImpLike extends RawModule {
         dangles
       }.getOrElse {
         // For non-clones, instantiate the child module
-        val mod = Module(c.module)
+        val mod = try {
+          Module(c.module)
+        } catch {
+          case e: ChiselException => {
+            println(s"Chisel exception caught when instantiating ${c.name} within ${this.name} at ${c.line}")
+            throw e
+          }
+        }
         mod.dangles
       }
     }