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Operator Precedence Parsing ...

(A + B) * C
operator operand input action why
( A + B ) * C start
( A + B ) * C shift (
( A + B ) * C shift A
( + A B ) * C shift + ( < +
( + A B ) * C shift B
(+ A B) * C reduce, () )
* (+ A B) C shift * empty < *
* (+ A B) C shift C
(* (+ A B) C) reduce