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-rw-r--r--src/mem/slicc/ast/MemberExprAST.py7
1 files 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))