Parsing Techniques GATE 2025 Question #317 with Solution

GATE 2025 · CS2 - Afternoon

Compiler DesignParsing TechniquesmediumMCQ1 mark

Given the following syntax directed translation rules: Rule 1:

GRAMMAR RULES

RAB {B.i = R.i - 1; A.i = B.i; R.i = A.i + 1;} Rule 2:

PCD {P.i = C.i + D.i; D.i = C.i + 2;} Rule 3:

QEF {Q.i = E.i + F.i;}

Which ONE is the CORRECT option among the following?

ARule 1 is S-attributed and L-attributed; Rule 2 is S-attributed and not L-attributed; Rule 3 is neither S-attributed nor L-attributedBRule 1 is neither S-attributed nor L-attributed; Rule 2 is S-attributed and L-attributed; Rule 3 is S-attributed and L-attributedCRule 1 is neither S-attributed nor L-attributed; Rule 2 is not S-attributed and is L-attributed; Rule 3 is S-attributed and L-attributedDRule 1 is S-attributed and not L-attributed; Rule 2 is not S-attributed and is L-attributed; Rule 3 is S-attributed and L-attributed

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