[antlr-interest] (newbie question) rewrite rule

[ali azimi]

Hi,
   
  The following rewrite rule does not produces any error messages. But do you think it is correct? Can I use (expression?)* in the following?
   
  actualparameters
 :lc='('expression?(','(expression)?)*')'
 ->^(SLIST[$lc] (expression?)*)
 ;
   
  Many thanks in advance.
   
  Best wishes,
   
  AL

       
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