1
GATE CSE 2022
Numerical
+1
-0.33

Consider the augmented grammar with {+, *, (, ), id} as the set of terminals.

S' $$\to$$ S

S $$\to$$ S + R | R

R $$\to$$ R * P | P

P $$\to$$ (S) | id

If I0 is the set of two LR(0) items {[S' $$\to$$ S.], [S $$\to$$ S. + R]}, then goto(closure(I0), +) contains exactly _________ items.

Your input ____
2
GATE CSE 2020
Numerical
+1
-0.33
Consider the following grammar.

S $$ \to $$ aSB| d
B $$ \to $$ b

The number of reduction steps taken by a bottom-up parser while accepting the string aaadbbb is _______.
Your input ____
3
GATE CSE 2019
Numerical
+1
-0.33
Consider the grammar given below:

S → Aa

A → BD

B → b | ε

D → d | ε

Let a, b, d, and $ be indexed as follows: GATE CSE 2019 Compiler Design - Parsing Question 8 English
Compute the FOLLOW set of the non-terminal B and write the index values for the symbols in the FOLLOW set in the descending order. (For example, if the FOLLOW set is {a, b, d, $}, then the answer should be 3210)
Your input ____
4
GATE CSE 2019
MCQ (Single Correct Answer)
+1
-0.33
Which one of the following kinds of derivation is used by LR parsers?
A
Rightmost
B
Leftmost in reverse
C
Rightmost in reverse
D
Leftmost
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