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GATE | GATE CS 2020 | Question 43
Consider the productions A → PQ and A → XY. Each of the five non-terminals A,P,Q,X, and Y has two attributes: s is a synthesized attribute, and i is an inherited attribute. Consider the following rules.
Rule 1: P.i=A.i+2, Q.i=P.i+A.i, and A.s=P.s+Q.s Rule 2: X.i=A.i+Y.s and Y.i=X.s+A.iWhich one of the following is TRUE ?
(A)
Both Rule 1 and Rule 2 are L-attributed
(B)
Only Rule 1 is L-attributed
(C)
Only Rule 2 is L-attributed
(D)
Neither Rule 1 nor Rule 2 is L-attributed
Answer
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