4. Draw the parse tree and translate the expression 6+4 * 2 using following semantic rule. Production Semantic Rules E➜E+T (E.VAL: E.VAL + T.VAL} ET (E.VAL: T.VAL) T-T°F (T.VAL: T.VAL F. VAL) T--F (T.VAL: FVAL) F→ld (FVAL:= Id}

4. Draw the parse tree and translate the expression 6+4 * 2 using following semantic rule. Production Semantic Rules E➜E+T (E.VAL: E.VAL + T.VAL} ET (E.VAL: T.VAL) T-T°F (T.VAL: T.VAL F. VAL) T--F (T.VAL: FVAL) F→ld (FVAL:= Id}

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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4. Draw the parse tree and translate the expression 6 + 4* 2 using following semantic rule.
Production
Semantic Rules
E⇒E+T
(E.VAL := E.VAL + T.VAL}
E-T
(E.VAL := T.VAL}
T-T*F
(T.VAL: T.VAL F. VAL}
T-F
(T.VAL := F.VAL}
F→ld
(FVAL := Id}

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