Using the following production rules parse the following strings in top-down and buttonup approach. assignment => ID = expression ; expression => expression + term | expression - term | term term => term * factor | term / factor | factor factor => ( expression ) | ID | NUMBER i. y = (2*x + 5)*x - 7
Using the following production rules parse the following strings in top-down and buttonup approach. assignment => ID = expression ; expression => expression + term | expression - term | term term => term * factor | term / factor | factor factor => ( expression ) | ID | NUMBER i. y = (2*x + 5)*x - 7
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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Using the following production rules parse the following strings in top-down and buttonup
approach.
assignment => ID = expression ;
expression => expression + term
| expression - term
| term
term => term * factor
| term / factor
| factor
factor => ( expression )
| ID
| NUMBER
i. y = (2*x + 5)*x - 7
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