Consider the following grammars where anything starting in a lowercase or special character (parenthesis, colon) is a terminal symbol, and anything starting in an uppercase is a non-terminal symbol. Are these grammars LL(k) for some k, and if yes, what is the value of k? Explain your answer. a. A => a B a a A => b B ba B => b B => epsilon b. ClassAttr => Name ( ) ; ClassAttr => Name; Name => id Qual Qualid Qual Qual > epsilon

Consider the following grammars where anything starting in a lowercase or special character (parenthesis, colon) is a terminal symbol, and anything starting in an uppercase is a non-terminal symbol. Are these grammars LL(k) for some k, and if yes, what is the value of k? Explain your answer. a. A => a B a a A => b B ba B => b B => epsilon b. ClassAttr => Name ( ) ; ClassAttr => Name; Name => id Qual Qualid Qual Qual > epsilon

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

Consider the following grammars where anything starting in a lowercase or special character (parenthesis,
colon) is a terminal symbol, and anything starting in an uppercase is a non-terminal symbol. Are these
grammars LL(k) for some k, and if yes, what is the value of k? Explain your answer.
a.
A => a B a a
A => b B ba
B => b
B => epsilon
b.
ClassAttr => Name ();
ClassAttr => Name;
Name => id Qual
Qualid Qual
Qual > epsilon

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