From ca902680df772445371e6c3dd907c01113afb1f5 Mon Sep 17 00:00:00 2001
From: Jack Koenig <koenig@sifive.com>
Date: Mon, 25 Apr 2022 10:53:46 -0700
Subject: [PATCH] Fix warning injected into user code by @chiselName (#2500)

In Scala 2.13, Auto-application to `()` is deprecated. Any nullary
method (ie. a method with no arguments) that is defined with () must now
be called with (). @chiselName used to inject a case of this warning
into user code which would then cause a warning on the @chiselName macro
that the user has no way to fix.
---
 .../main/scala/chisel3/internal/naming/NamingAnnotations.scala  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/macros/src/main/scala/chisel3/internal/naming/NamingAnnotations.scala b/macros/src/main/scala/chisel3/internal/naming/NamingAnnotations.scala
index 82223d782c0..b12826fc540 100644
--- a/macros/src/main/scala/chisel3/internal/naming/NamingAnnotations.scala
+++ b/macros/src/main/scala/chisel3/internal/naming/NamingAnnotations.scala
@@ -125,7 +125,7 @@ class NamingTransforms(val c: Context) {
     q"""
     val $contextVar = $globalNamingStack.pushContext()
     ..$transformedBody
-    if($globalNamingStack.length == 1){
+    if($globalNamingStack.length() == 1){
       $contextVar.namePrefix("")
     }
     $globalNamingStack.popReturnContext(this, $contextVar)