Answered: (a) Rewrite the grammar to give +…

(a) Rewrite the grammar to give + precedence over * and force + to be right associative. (b) Rewrite the grammar to add the ++ and -- unary operators of Java.

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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Question

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(a) Rewrite the grammar to give + precedence over * and force + to be right associative.

(b) Rewrite the grammar to add the ++ and -- unary operators of Java.

Consider the following grammar:
<assign>
<var> = <expr>
<var> → A | B | C
→
<expr> <expr> + <term>
| <term>
<term>
<factor> (<expr> )
| <var>
<term> * <factor>
| <factor>

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