[antlr-interest] tokens not working in rewrite rules

[edA-qa mort-ora-y]

Using antlr3 I have the following rule:

searchSortExpr
    :    SORT id ( ',' id )* order=(ASC|DESC) ENDEXPR -> ^(SORT {$order}
id*  );

Where 'id' is basically a string, SORT='sort', ENDEXPR=';', ASC='ASC',
DESC='DESC'.  This can match such productions as:

    sort column ASC;

But in rewriting the {$order} part is simply gone: it is lost from the tree.

What am I doing wrong? Or how do I  use such named tokens correctly in
the rewriting rules?

-- 
edA-qa mort-ora-y
Director Quality Assurance
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