CONCEPTS OF PROGRAMMING LANG.-TEXT
11th Edition
ISBN: 2810017678981
Author: Sebesta
Publisher: PEARSON
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Expert Solution & Answer
Chapter 3, Problem 6PS
Explanation of Solution
BNF description of the Boolean expressions of Java:
The BNF description for java Boolean expression will be:
<Boolean_expr> -> <Boolean_expression> || <Boolean_term> | <Boolean_term>
<Boolean tee -> <Boolean_term> && <Boolean_factor> | <Boolean_factor>
<Boolean_factor> -> id | ! <Boolean_factor> | ( <Boolean expr> ) ...
Expert Solution & Answer
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Check out a sample textbook solutionStudents have asked these similar questions
a) Write a grammar for parsing the string a=b/(c–d)*(x+y).b) Now perform a Left-most derivation for the string.c) Draw a parse tree for the string.d) Is the grammar ambiguous? Motivate your answer.
Please help
5. Please Perform Left Recursion Elimination for the following grammar:E à E + T | E – T | TT à TF | FF à F * | CC à a | b
2. Using the grammar
E-> E+T
E-> T
T-> id
T-> number
T-> (E)
a. Give a derivation and draw a parse tree for a + b + (c+d).
Derivation:
F
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Chapter 3 Solutions
CONCEPTS OF PROGRAMMING LANG.-TEXT
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
- Q2: Using the grammar, show a parse tree and a leftmost derivation for each of the following statements: → → A| BI C → + | * I( ) | %3D a. A = A * (B + (C* A)) b. B = C * (A * C+B) c. A = A* (B + (C))arrow_forwardGive context free grammar for the following :arrow_forwardPlease help with this modification:2. Use the logic in that program to design your own Recursive Descent parser in C for the following grammar:S →aABA →Abc | bB →d3. Make sure that you choose at least two strings that pass the grammar and one string that does not pass the grammar just like I did in the model program4. Submit both the code and a screen shot of your results for the choice of strings that you provided. Below is the C code that can be used to implement a Recursive Descent parser for the above grammar/* Recursive Descent Parser for the Expression Grammar:S → (L) |aL' →,SL'|εL → SL'Valid inputs: (a,(a,a)) and (a,((a,a),(a,a)))Invalid inputs:(aa,a)*/#include <stdio.h>#include <string.h>int S(), Ldash(), L();char *ip;char string[50];int main() {printf("Enter the string\n");scanf("%s", string);ip = string;printf("\n\nInput\t\tAction\n ------------------------------\n");if…arrow_forward
- Eliminate left recursion from the following grammar: E ::= E + E | E - E | E * E | E / E | num | ( E ) Where num is a terminal symbol representing any number.arrow_forwardSubject: Compiler Design Consider the following grammar and input string, S → S+S S → S*S S → (S) S → a Input string: a1*(a2+a3) Find out the parsing table using shift reduce parsing.arrow_forwardRemove left recursion from the following grammar:S -> Aa | Bb A -> Aa | Abc | c | Sb B -> bbarrow_forward
- Given the following grammar, and right sentential form, draw a parse tree and show the phrases and simple phrases as well as the handle for the strings a, b, and c below. Grammar A->aAb | bBA A->ab | aAB B->aB | b a) aaAbb b) bBab c) aaAbBbarrow_forwardTopic: Concepts of programming Language Perform the pairwise disjointness test for the following grammar rules. (please give a few details)i. S → aSb|bAAii. A → b{aB}|biii. B → aB|bAarrow_forwardG(E):E->E + T | T T->T*F | FF->(E) | digitConstruct a parser for grammar E by YACC-BISON, compute the value,and print the result.Design the attribute grammar: + and * operator can only be used for integers,else errors should be reported. code should be submitted as well. Please add explanation. PLEASE DONT COPY AND PASTE THE OTHER SOLUTION ON CHEGG BECAUSE IT ISNT THE FULL ANSWERarrow_forward
- Consider the following grammar left-recursion? E - E+T|T T- T*F |F F- (E) | idarrow_forwardBackus Naur Form (BNF) is a standard notation for expressing syntax as a set of grammar rules. Figure 1 below shows a grammar for assignment with arithmetic operations, e.g. y = (2*x + 5)*x - 7; assignment => ID = expression ; expression => expression + term I expression - term I term term term * factor | term / factor | factor ( expression ) | ID | NUMBER factor => Figure 1. Grammar (a) Identify and list all the non-terminal symbols in the grammar (b) Identify and list all the terminal symbols in the grammararrow_forwardSubject: Compiler Design / Computer Science Note: Answer in your own words. copy from internet will not help me. Question: Consider the following grammar and input string,S → S+SS → S-SS → (S)S → a Input string: a1*(a2+a3)Find out the parsing table using shift reduce parsing.arrow_forward
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