From b429b1759defba2f8da1f894f6a3500e3f2c78d2 Mon Sep 17 00:00:00 2001
From: Nathan Binkert <nate@binkert.org>
Date: Sun, 15 Jun 2008 21:26:33 -0700
Subject: params: Prevent people from setting attributes on vector params.

---
 src/python/m5/params.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/python')

diff --git a/src/python/m5/params.py b/src/python/m5/params.py
index 938278541..9394b11e2 100644
--- a/src/python/m5/params.py
+++ b/src/python/m5/params.py
@@ -166,6 +166,10 @@ class ParamDesc(object):
 
 class VectorParamValue(list):
     __metaclass__ = MetaParamValue
+    def __setattr__(self, attr, value):
+        raise AttributeError, \
+              "Not allowed to set %s on '%s'" % (attr, type(self).__name__)
+
     def ini_str(self):
         return ' '.join([v.ini_str() for v in self])
 
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