From 70682e36ddebee06a8658d7fee05ccea519d276c Mon Sep 17 00:00:00 2001
From: Brad Beckmann <Brad.Beckmann@amd.com>
Date: Fri, 6 Apr 2012 13:47:07 -0700
Subject: [PATCH] slicc: fixed error message when the type has no inheritance

---
 src/mem/slicc/ast/MemberExprAST.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/mem/slicc/ast/MemberExprAST.py b/src/mem/slicc/ast/MemberExprAST.py
index 6a6fc49bb..320146065 100644
--- a/src/mem/slicc/ast/MemberExprAST.py
+++ b/src/mem/slicc/ast/MemberExprAST.py
@@ -58,9 +58,10 @@ class MemberExprAST(ExprAST):
         else:
             if "interface" in return_type:
                interface_type = self.symtab.find(return_type["interface"]);
-               if self.field in interface_type.data_members:
-                   # Return the type of the field
-                   return interface_type.data_members[self.field].type
+               if interface_type != None:
+                   if self.field in interface_type.data_members:
+                       # Return the type of the field
+                       return interface_type.data_members[self.field].type
         self.error("Invalid object field: " +
                    "Type '%s' does not have data member %s" % \
                    (return_type, self.field))
-- 
2.30.2