Given the following CFG A+ A+B A-A-B A R R+R/B R→R B Rarit B-> (A)|r|t a. Eliminate left recursion and backtracking and write the new grammar. b. Write the FIRST and FOLLOW sets for A, B, and R.,

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Given the following CFG
A → A+B
A+ A-B
A R
R⇒ R/B
R→ R*B
Rarit
B-> (A)|r|t
a. Eliminate left recursion and backtracking and write the new grammar..
b. Write the FIRST and FOLLOW sets for A, B, and R.,
Transcribed Image Text:Given the following CFG A → A+B A+ A-B A R R⇒ R/B R→ R*B Rarit B-> (A)|r|t a. Eliminate left recursion and backtracking and write the new grammar.. b. Write the FIRST and FOLLOW sets for A, B, and R.,
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