[antlr-interest] Clarification on Attribute Reference in Actions

Kay Roepke kroepke at classdump.org
Wed Jul 4 16:31:51 PDT 2007


On Jul 5, 2007, at 1:22 AM, Kay Roepke wrote:

> I think this is a bug in the actionparser
> code. It should warn you that $term.t will refer to the rule's  
> return value and not the subtree
> reference's retval object.

Let me rephrase this:

I think it is a shortcoming in the ActionParser code. It should warn  
you that $term.t will refer to the rule's return value if a subtree  
of the same name is actually visible to the action.

"Bug" just sounded too harsh... ;)

cheers,
-k

-- 
Kay Röpke
http://classdump.org/






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