From: Steve Reinhardt <stever@eecs.umich.edu>
Date: Fri, 3 Jun 2005 20:21:37 +0000 (-0400)
Subject: Bug fix & cleanup in config code.
X-Git-Tag: m5_1.0_tutorial~38
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=af3add2e331fd1c77b5c83b65bcc7ba30d831ac8;p=gem5.git

Bug fix & cleanup in config code.

python/m5/config.py:
    Bug fix: code was silently converting between
    incompatible SimObject types as an unintended
    side-effect of the object cloning support.

--HG--
extra : convert_revision : 236f4fe5370f2eddf8af8fab68e2b83dccc34305
---

diff --git a/python/m5/config.py b/python/m5/config.py
index 48d945d14..091df3662 100644
--- a/python/m5/config.py
+++ b/python/m5/config.py
@@ -291,6 +291,10 @@ class SimObject(object):
 
     def __init__(self, _value_parent = None, **kwargs):
         self._children = {}
+        if _value_parent and type(_value_parent) != type(self):
+            # this was called as a type conversion rather than a clone
+            raise TypeError, "Cannot convert %s to %s" % \
+                  (_value_parent.__class__.__name__, self.__class__.__name__)
         if not _value_parent:
             _value_parent = self.__class__
         # clone values