[antlr-interest] (newbie problem) rewrite rule question

ali azimi aliaazimi at yahoo.com
Tue Jul 10 16:04:22 PDT 2007


Hi,
   
  This one looks complicated to me. Do you think it is ok? I read in the pdf that single rules or texts enclosed in Apostrophe are automatically provided with a tree node. I do not know if it is correct in here. Could you please help?
   
  rangeConditionItem
  
 :((expr1=expression ':'expr2=expression)->^(':' $expr1 $expr2)
  
 |('='|'/='|'<'|'<='|'>'|'>=')?expr3=expression)->^(RNGCONITEM  ^(SIGNS '=' '/=' '<' '<=' '>' '>=')
   
  $expr3)
 ;
   
  Best wishes,
   
  Al

       
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