Concepts of Programming Languages (11th Edition)
11th Edition
ISBN: 9780133943023
Author: Robert W. Sebesta
Publisher: PEARSON
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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> ) ...
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Students have asked these similar questions
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
can women w
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
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
- Subject: 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_forwardGive context free grammar for the following :arrow_forwardQ2: 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_forward
- Please 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_forwardEliminate 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_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_forwardRemove left recursion from the following grammar:S -> Aa | Bb A -> Aa | Abc | c | Sb B -> bbarrow_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_forward
- G(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_forwardConsider the following grammar left-recursion? E - E+T|T T- T*F |F F- (E) | idarrow_forwardConsider the following grammar: S → - F | F F → D | D . D D → N | N D N → 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 Write Recursive Descent Procedures Draw Syntax Diagrams for the non-terminals Note: In the above grammar consider “.” and “-“ as terminals tooarrow_forward
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