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QUESTION

COMPILER DESIGN AND CONSTRUCTION

Show how left recursion and left factoring help top down parsing?

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ANSWER

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***** to top-down ******* left-recursion **** ** compulsorily ********

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should ** **** ** it ***** ****** removable ********** Left-factoring

“Left

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is

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******

****

recursion

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*********************************************

*********************************************

******************** ****************** Given *************** **** factoring

yields:

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