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Re: Eliminating Left Recursion in Parse::RecDescent

by ikegami (Pope)
on Jun 06, 2006 at 19:14 UTC ( #553895=note: print w/replies, xml ) Need Help??

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  1. or download this
    expr      :     term expr_tail
    expr_tail : '+' term expr_tail |
    
  2. or download this
    expr      :     term expr_tail
    expr_tail : '+' term expr_tail
              |
    
  3. or download this
    expr      :     term expr_tail
    expr_tail : '+' term expr_tail
              | # Nothing
    
  4. or download this
    expr      :     term expr_tail
    expr_tail : '+' term expr_tail
              | Epsilon
    
    Epsilon   :
    

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