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Eliminating Left Recursion in Parse::RecDescent

by demerphq (Chancellor)
on Mar 20, 2002 at 22:09 UTC ( #153155=perlmeditation: print w/ replies, xml ) Need Help??

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  1. or download this
    expr: expr '+' term | term
  2. or download this
    A : A x | y
  3. or download this
    A : y R
    R : x R | e
  4. or download this
    expr      :     term expr_tail
    expr_tail : '+' term expr_tail | {1}

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