Consider the following BNF grammar for a language. Answer the questions below according to the grammar. -> -> + -> -> @ -> A -> Y -> B -> U A. What is the associativity of the @operator: B. What is the associativity of the + operator: C. Which operator has higher precedence:

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
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Consider the following BNF grammar for a language. Answer the questions below according
to the grammar.
<fun> -> <pon>
<fun> -> <pon> + <fun>
<ybu> -> <fun>
<ybu> -> <fun> @ <ybu>
<pon> -> A
<pon> -> Y
<pon> -> B
<pon> -> U
A. What is the associativity of the @ operator:
B. What is the associativity of the + operator:
C. Which operator has higher precedence:
D. The grammar is
Transcribed Image Text:Consider the following BNF grammar for a language. Answer the questions below according to the grammar. <fun> -> <pon> <fun> -> <pon> + <fun> <ybu> -> <fun> <ybu> -> <fun> @ <ybu> <pon> -> A <pon> -> Y <pon> -> B <pon> -> U A. What is the associativity of the @ operator: B. What is the associativity of the + operator: C. Which operator has higher precedence: D. The grammar is
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