From: whitequark <cz@m-labs.hk>
Date: Fri, 14 Dec 2018 18:53:21 +0000 (+0000)
Subject: back.pysim: squash one level of hierarchy.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b00152c26c140b56851f2d7185141ce13db91dea;p=nmigen.git

back.pysim: squash one level of hierarchy.

There's really no point in the "top" node.
---

diff --git a/nmigen/back/pysim.py b/nmigen/back/pysim.py
index fb234b5..47d84fa 100644
--- a/nmigen/back/pysim.py
+++ b/nmigen/back/pysim.py
@@ -295,7 +295,7 @@ class Simulator:
             self._domain_signals[domain] = ValueSet()
 
         hierarchy = {}
-        def add_fragment(fragment, scope=("top",)):
+        def add_fragment(fragment, scope=()):
             hierarchy[fragment] = scope
             for subfragment, name in fragment.subfragments:
                 add_fragment(subfragment, (*scope, name))