The following YACC snippet is used to implement a grammar of an expression. The expressions are : E -> E+E E-> E'E E-> id program: program expr '\n' { printf("Xd\n", S2); } expr: { SS - $1; } { SS - $1 + $3; } { $S - $1 - $3; } INTEGER I expr + expr I expr '-' expr Modify the above code to handle the following grammar rules: E-> Add E E E -> Sub EE E-> Mul EE E-> Div EE E-> id, where Add, Sub, Mul, and Div are used to implement Addition, subtraction, multiplication, and division operations respectively.

The following YACC snippet is used to implement a grammar of an expression. The expressions are : E -> E+E E-> E'E E-> id program: program expr '\n' { printf("Xd\n", S2); } expr: { SS - $1; } { SS - $1 + $3; } { $S - $1 - $3; } INTEGER I expr + expr I expr '-' expr Modify the above code to handle the following grammar rules: E-> Add E E E -> Sub EE E-> Mul EE E-> Div EE E-> id, where Add, Sub, Mul, and Div are used to implement Addition, subtraction, multiplication, and division operations respectively.

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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