Q33

MCQ2 marks, −0.67

Consider the productions $A \rightarrow PQ$ and $A \rightarrow XY$ . 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 $Y. i = X. s +A .i$ Which 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.

Loading…