We are given the following attribute grammar. T → a {T.v = 0} T → b {T.v = 1} T → c {T.v = 2} T → T a {T0.v = T1.v * 3} T → T b {T0.v = T1.v * 3 + 1} T → T c {T0.v = T1.v * 3 + 2} Draw and annotated parse tree for the input "b a a c".

Q: onsider the below grammar. Show whether or not the grammar is ambiguous. to answer the question use…

A: Ambiguous grammar, is the one which have more than one derivation for the input string. If the…

Q: 0 we are given the following attribute grammar. S E (S.x = E.v* 2, Et = 10) E-Ea (Eg.v=1+E₁.v,…

A:

Q: emove chain rules from the following grammar. Your answer must include the CHAIN(S), CHAIN(A),…

A: Step 1: S-> A I C A -> aA | a | BB -> bB | bC->cC|c|B

Q: rite an Attribute Grammar (AG) whose base BNF is that of the following example and whose type rules…

A: Write an Attribute Grammar (AG) whose base BNF is that of the following example and whose type rules…

Q: Consider the following attribute grammar (||=concatenate) . Show the derivation process for the…

A: we have given the following attribute grammar input int a,b,c; string S; S->E          S.st=E.st…

Q: Decision Tree / We want to learn a function that returns (counts) the number of attributes with the…

A: The decision tree representing the above function and explanation of the above function are as…

Q: Consider the following grammar: 1. s> E$ 2. E> E+T 3. E→T 4. T> ID 5. T>(E) Suppose you are…

A: Here is explanation about the given grammar:

Q: You are given the following context free grammar (CFG), E = {a, b,c}: S- ABC | AB| BCD A + aa Aa |…

A: A context free grammar (CFG) is in Chomsky Normal Form (CNF) if all production rules satisfy one of…

Q: Question 3 : Given the following grammar: stmtlist -> stmtlist stmt | stmt stmt -> noun iverb adv |…

A: Given Grammer : stmtlist ::= stmtlist stmtstmtlist ::= stmtstmt ::= noun iverb advstmt ::= noun…

Q: a. Make a CFG for the language a3nbm(aba)2mbn, where n,m>0 b. Make a DFA that accepts all words that…

A: Here is the explanation of the above problem. see below steps.

Q: 8-Write a denotational semantics for the following BNF → | | → → | | → + * 1.

A: In this expr variable has an undefined value. Assume Z be the sets of integers and error value to…

Q: Consider the following grammar.  ::= , |    ::=   ::= A | Y | B | U  ::= 1|2|3|4 Which of…

A:

Q: What is the equivalent regular grammar for the following context free grammar?. O A. SaS | bS | A;…

A: Given grammar is:The variables present in the grammar are S, A, B and the non terminals present in…

Q: 5. How would you change the following ambiguous grammar: E - E+E|E - E|E*E|E /E|id so that all of…

A: E -> E+E*E/E-E = id + id * id / id - id

Q: E->E*T | E/T | E+T | E-T | T T->(E) T->id T->num a. make a semantic rule using s-atribut b.…

A: Answer: Our instruction is answer the first three part from the first part and . I have given…

Q: QUESTION 10 Consider the following grammar: 1. S a a 2. SA B 3. Ab S 4. AS BS 5. B → A A C 6. B b c…

A: TOKENS a: ('a')b: ('b')c: ('c')   PRODUCTIONS S: ('a' 'a')IN: ('B')Ab: ('A' S)A: ('S' 'B' 'S')B:…

Q: Consider the following context free grammar in BNF form for simple English sentences: (r1)   →…

A: SOLUTION

Q: we are given the following attribute grammar. S E (S.x = E.v* 2, E-Ea (Eo.v=1+E₁.v, E-Eb…

A: According to the information given:- We have to find out the parse tree for input (c b a) on the…

Q: What is the equivalent regular grammar for the following context free grammar?. S→AB;      A→aa;…

A: Two regular expressions R and S are equivalent if they describe the same language. In other words,…

Q: EXAMPLE 3.6 An Attribute Grammar for Simple Assignment Statements 1. Syntax rule: → = Semantic…

A: Given: The following BNF as the basis: <assign> -> <id> = <expr> <id>…

Q: (1) Find a grammar that generates language L = {a":n > 0}. %3D

A: A context free grammar is a finite set of variables  each of which represents a language. The…

Q: Which of the following variables will not be found in any sentential form starting from the Start…

A: Sentential form means it is a form which can be obtained from the start symbol using any of the…

Q: Consider the following attribute grammar. (N. base = B. base; E. val =B. val; } B. base = integer…

A: On the basis of the above grammar and the tree generated it is clear that we have to convert the…

Q: You are given the following context free grammar (CFG), E {0,1,2}: S+X |Y|XY X + 011 |0X1 e Y + 2|…

A:

Q: Question 3: Compute FIRST & FOLLOW Sets for the following grammar;  F → for( D ; B ; E ) { S } D →…

A: Given Grammer Set  : G = { F → for( D ; B ; E ) { S } D → T id | T id , D T → int | long B → id R…

Q: 5. We are given the following attribute grammar. {T.v=0} {T.v=1} {T.v=2} T-a T-b T-c T→Ta T→ Tb T→…

A:

Q: whether G 19. Let V = {S, A, B, a, b} and T = {a, b}. Determine (V, T, S, P) is a type 0 grammar but…

A: In linguistics, grammar refers to the set of rules that govern the structure and use of language. It…

Q: Following are the productions of a grammar with attributes: -S --> T: S.val = T.val -S --> x: S.val…

A:

Q: 1. What are the alternative design approaches for lexical analyzer? Mention your preferred choice…

A: A lexical analyzer can identify tokens with the help of regular expressions and pattern rules.But…

Q: Consider the below grammar. Show whether or not the grammar is ambiguous. to answer the question use…

A: Dear Student, If there exist more then 1 way to derive a string ie more then one parse tree for the…

Q: Let consider the grammar G2 = ({S, P, Q, X, D}, {a, b, c, d}, S, P) where P= {S → PB / X; P→ aPb/ab;…

A:

Q: Complete the second rule of the following PROLOG program for member/2 where member(X,L) checks…

A: PROLOG Program: member(X,[X|T]).member(X,[Y|T]):-member(X,T). Output of above program: | ?-…

Q: Using the below grammar, → = → A | B | C → - | / | |() | Show a complete leftmost…

A: Solution:-

Q: QUESTION 8. rules: = ({S, A}, {0, 1, 2}, P, S) be a CFG, where P IT: Let G= S→SSS|0A0|1A1|2A2 A…

A: SOLUTION -S4 -> S2|S3S2 -> SSS3 -> SSSS -> SSS|0A0|1A1|2A2A -> 0A1A2|…

Q: 3. Show that the following grammars are ambiguous: i) S → AB / aaB, Aa/aA, B⇒ b ii) SaSbS / bsas / &…

A: i) Show that the grammar is ambiguous   The grammar S->AB/aaB, A->a/aA, B → b is ambiguous…

Q: 6. Convert the following grammar to Griebach Normal Form: SAA | a A → BB b

A: In this question we have been given a grammar and we need to convert this grammar to Griebach Normal…

Q: Consider the following attribute grammar. E BN {N. base {B. base {N. val = D.val; } {N. val (D. val…

A: Correct Option:  A. 64

Q: Q1. Design Context free grammars for the following: 1. {w € {0, 1}*| w contains at least three 1s }…

A: 1.  From the above given question that is { w ∈ {0,1}*| w contains at least three 1s } and from this…

Q: Consider the following language:   L = {anbm | 0 <=n <= 2m}   The alphabet is {a,b}.   A)…

A: Please refer to the following step for the complete solution to the problem above.

Q: 11. Consider the following grammar [15pts] 1. prog → A 2. prog expr ';' 3. expr → ID expr '-' expr…

A: I have answered this question in step 2.

Q: AST(abstract syntax tree) - Semantic computation for expression E→TE' E'→+TE'│ε T→FT'…

A:

Q: L={0^1n+2, n20}

A: CFG is a set of rules for automating the machine and generating the strings of a language. CFG…

Q: Question 1) Design PDAs to recognize the following languages. (Note: The question asks for PDAs not…

A: PDAs:- PDAs, usually referred to as portable computers, are a type of mobile device that serve as…

Q: In Pig, emphasize the distinction between group and Cogroup operators.

A: Group is used when there is only one relation whereas Cogroup is used when there are two or more…