Q12

MCQ1 mark, −0.33

Given the following syntax directed translation rules: Rule 1: $R \rightarrow A B\{B . i=R . i-1 ; A . i=B . i ; R . i=A . i+1 ;\}$ Rule 2: $P \rightarrow C D\{P . i=C . i+D . i ; D . i=C . i+2 ;\}$ Rule 3: $Q \rightarrow E F\{Q . i=E . i+F . i ;\}$ Which ONE is the CORRECT option among the following?

(A)

Rule $1$ is $S$ -attributed and $L$ -attributed; Rule $2$ is $S$ -attributed and not $L$ -attributed; Rule $3$ is neither $S$ -attributed nor $L$ -attributed.

(B)

Rule $1$ is neither $S$ -attributed not $L$ -attributed; Rule $2$ is $S$ -attributed and $L$ -attributed; Rule $3$ is $S$ -attributed and $L$ -attributed.

(C)

Rule $1$ is neither $S$ -attributed nor $L$ -attributed; Rule $2$ is not $S$ -attributed and is $L$ -attributed; Rule $3$ is $S$ -attributed and $L$ -attributed.

(D)

Rule $1$ 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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