2.12 Consider the following grammar: Chapter 2 Programming Language Syntax GS $$ SAM M→ Se A → a Eb A A E a Bb A | B⇒ b Ela BB (a) Describe in English the language that the grammar generates. (b) Show a parse tree for the string a b a a. (c) Is the grammar LL(1)? If so, show the parse table; if not, identify a prediction conflict.
2.12 Consider the following grammar: Chapter 2 Programming Language Syntax GS $$ SAM M→ Se A → a Eb A A E a Bb A | B⇒ b Ela BB (a) Describe in English the language that the grammar generates. (b) Show a parse tree for the string a b a a. (c) Is the grammar LL(1)? If so, show the parse table; if not, identify a prediction conflict.
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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Transcribed Image Text:2.12 Consider the following grammar:
Chapter 2 Programming Language Syntax
GS $$
SAM
M→ SI €
A →
a E| bA A
E → a Bb A | €
Bb Ela BB
(a) Describe in English the language that the grammar generates.
(b) Show a parse tree for the string a b a a.
(c) Is the grammar LL(1)? If so, show the parse table; if not, identify a
prediction conflict.
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