Concepts of Programming Languages (11th Edition)
11th Edition
ISBN: 9780133943023
Author: Robert W. Sebesta
Publisher: PEARSON
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Expert Solution & Answer
Chapter 3, Problem 17PS
Explanation of Solution
BNF:
Backus-Naur Form (BNF) is unambiguous and also it is precise. It is a formal and mathematical way of representation for specifying the context-free grammars. BNF is used to describe the syntax of the Algol 60
EBNF:
Extended Backus- Naur Form (EBNF) is extended version of BNF. It increases the readability and writability of BNF...
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Question 3: Convert the following EBNF to BNF:
S → A {bA}
A → a [b] A
Define - AMAT.
Use the Pumping Lemma to show the following language L is NOT
regular.
L= {w E (a, b, c}* ; where w has equal number of a's, b's, and c's}
Chapter 3 Solutions
Concepts of Programming Languages (11th Edition)
Ch. 3 - Prob. 1RQCh. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - What is the difference between a synthesized and...
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Prob. 17RQCh. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - What does partial correctness mean for a loop...Ch. 3 - Prob. 23RQCh. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - Prob. 29RQCh. 3 - The two mathematical models for language...Ch. 3 - Write EBNF descriptions for the following: a. A...Ch. 3 - Prob. 3PSCh. 3 - Prob. 4PSCh. 3 - Prob. 5PSCh. 3 - Prob. 6PSCh. 3 - Prob. 9PSCh. 3 - Prob. 10PSCh. 3 - Prob. 12PSCh. 3 - Prob. 15PSCh. 3 - Prob. 16PSCh. 3 - Prob. 17PSCh. 3 - Prob. 18PSCh. 3 - Compute the weakest precondition for each of the...
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Similar questions
- Rewrite BNF to EBNF BNF: → + Kexpr> - → * / | → ** → () idarrow_forwardConvert the following EBNF grammar to ordinary BNF: <S> → <A> {b <A>} // 0 or more <A> → a [b] <A> // optional {, }, [, and ] are metasymbols.arrow_forwardFind dfa’s that accept the following languages: (a) L (aa∗ + aba∗b∗).arrow_forward
- Construct an nfa that accepts the language L(a|b)* ab(a|b))arrow_forward2. Convert the following NFAs to equivalent DFAs E a b C →p {q,r} {} {q} {r} q { } {p} {r} {p,q} {} { } { } {r} * r (-a-) NEV →A B * C 0 {A, B} {C} {} G (-b-) 1 {A} {B} e ent adarrow_forward2-Rewrite the following BNF to give + precedence over * and force + to be right associative → = →a|b|c + | → * | → ( ) |arrow_forward
- Even if CNF may be converted to DNF, why is it easier to satisfy Disjunctive Normal Form (DNF) than Conjunctive Normal Form (CNF) in run time?arrow_forwardConvert this PDA to CFG The language is L = {anbm : m >= n, where m-n is even}arrow_forwardRewrite the following EBNF grammar in BNF. <decl> → <ident_list> : (int | float | char); <ident_list> → <identifier>{,<identifier}.arrow_forward
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