hdl.xfrm: handle classes that inherit from Record.

2019-04-18 17:06:33 +00:00 · 2019-04-18 17:06:33 +00:00 · dda8f34d39
parent 287a0531b3
commit dda8f34d39
1 changed files with 2 additions and 1 deletions
--- a/nmigen/hdl/xfrm.py
+++ b/nmigen/hdl/xfrm.py
@ -89,7 +89,8 @@ class ValueVisitor(metaclass=ABCMeta):
            new_value = self.on_AnySeq(value)
        elif type(value) is Signal:
            new_value = self.on_Signal(value)
-        elif type(value) is Record:
+        elif isinstance(value, Record):
+            # Uses `isinstance()` and not `type() is` to allow inheriting from Record.
            new_value = self.on_Record(value)
        elif type(value) is ClockSignal:
            new_value = self.on_ClockSignal(value)