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slicc: fixed error message when the type has no inheritance

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This commit is contained in:
Brad Beckmann 2012-04-06 13:47:07 -07:00
parent 5838ed7290
commit 70682e36dd
1 changed files with 4 additions and 3 deletions
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7
src/mem/slicc/ast/MemberExprAST.py
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@ -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))