PRODUCTION SEMANTIC RULES 1) L-E n L.val = E.val E.val = E1.val+T.val E.val = T.val T.val = T1.val x F.val 2) E - E + T 3) Е+T 4) T- T * F 5) T- F T.val = F.val 6) F- (E) F.val = E.val 7) F digit F.val = digit.lexval For the following SDD give annotated parse trees for the following expressions: a. (3+4)*(21+5)n b. 4*2*6+(2*1)+1n
PRODUCTION SEMANTIC RULES 1) L-E n L.val = E.val E.val = E1.val+T.val E.val = T.val T.val = T1.val x F.val 2) E - E + T 3) Е+T 4) T- T * F 5) T- F T.val = F.val 6) F- (E) F.val = E.val 7) F digit F.val = digit.lexval For the following SDD give annotated parse trees for the following expressions: a. (3+4)*(21+5)n b. 4*2*6+(2*1)+1n
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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