[antlr-interest] (newbie problem)reference to rewrite element name without re...

ali azimi aliaazimi at yahoo.com
Mon Jul 9 16:43:45 PDT 2007


Hi,
   
  I apologize for my grammar being cluttered. I will try to use underscore more often.
   
  Do I have to write different rewrite rules for each sub-rule like the followings?
   
  signal_list_item
   
              :signal_identifier-> ^(signal_identifier)
   
              |signal_list_identifier-> ^(signal_list_identifier)
   
              |timer_identifier-> ^(timer_identifier)
   
              ;
   
  Or this one is correct? (what is the difference?)
   
  Rule2 signal_list_item
   
              :( signal_identifier |signal_list_identifier|timer_identifier)
   
              -> ^(SLIST[$signal_list_item.start ] signalidentifier    signal_list_identifier 
   
                   timer_identifier)
   
   
  Thanks,
   
  Al

 
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