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Construct a predictive-parsing table for this grammar. 3.18. A grammar for regular expressions is (1) EAS E|T (5) F > (£) (2) E3sT (6) Fi (3) T—-TF (7) F — F* (4) TOF (a) Revise this grammar so as to remove all left recursions. (b) Construct a predictive-parser table for the revised grammar. (c) Test the parser on the following expressions:

Construct a predictive-parsing table for this grammar. 3.18. A grammar for regular expressions is (1) EAS E|T (5) F > (£) (2) E3sT (6) Fi (3) T—-TF (7) F — F* (4) TOF (a) Revise this grammar so as to remove all left recursions. (b) Construct a predictive-parser table for the revised grammar. (c) Test the parser on the following expressions:

Database System Concepts
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
Section: Chapter Questions
Problem 1PE
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Construct a predictive-parsing table for this grammar.

3.18. A grammar for regular expressions is

(1) EAS E|T (5) F > (£)
(2) E3sT (6) Fi
(3) T—-TF (7) F — F*
(4) TOF

(a) Revise this grammar so as to remove all left recursions.
(b) Construct a predictive-parser table for the revised grammar.
(c) Test the parser on the following expressions:

(i]i)” ii(* i(i*|i)i (i)”)
 

**Construct a predictive-parsing table for this grammar.** **3.18. A grammar for regular expressions is:** 1. \( E \rightarrow E|T \) 2. \( E \rightarrow T \) 3. \( T \rightarrow TF \) 4. \( T \rightarrow F \) 5. \( F \rightarrow (E) \) 6. \( F \rightarrow i \) 7. \( F \rightarrow F* \) **(a) Revise this grammar so as to remove all left recursions.** **(b) Construct a predictive-parser table for the revised grammar.** **(c) Test the parser on the following expressions:** - \( (i|i)* \) - \( ii(* \) - \( i(i*|i)i \) - \( (i|)* \)
Transcribed Image Text:**Construct a predictive-parsing table for this grammar.** **3.18. A grammar for regular expressions is:** 1. \( E \rightarrow E|T \) 2. \( E \rightarrow T \) 3. \( T \rightarrow TF \) 4. \( T \rightarrow F \) 5. \( F \rightarrow (E) \) 6. \( F \rightarrow i \) 7. \( F \rightarrow F* \) **(a) Revise this grammar so as to remove all left recursions.** **(b) Construct a predictive-parser table for the revised grammar.** **(c) Test the parser on the following expressions:** - \( (i|i)* \) - \( ii(* \) - \( i(i*|i)i \) - \( (i|)* \)
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