Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Subject: Compiler Construction Q.4 (CLO3) (4 marks) Consider the following attribute grammar: Grammar Rule Semantic Rule S+ABC B.u=S.u C.u= A.V A.u=B.v + C.V S.V=A.V A+a
Subject: Compiler Construction
Q.4 (CLO3) (4 marks) Consider the following attribute grammar: Grammar Rule Semantic Rule S+ABC B.u=S.u C.u= A.V A.u=B.v + C.V S.V=A.V A+a A.V= 2 * A.u B B.v=B.u C C C.v=C.u - 2 i. Draw the parse tree for the string abc and draw the dependency graph for the associated attributes. Describe a correct order for the evaluation of the attributes. (2 m) ii. What value does S.v have after attribute evaluation, if S.u=3 before evaluation begins? (2 m) Q.4 (CLO3) (4 marks) Consider the following attribute grammar: Grammar Rule Semantic Rule S+ABC B.u=S.u C.u= A.V A.u=B.v + C.V S.V=A.V A+a A.V= 2 * A.u B B.v=B.u C C C.v=C.u - 2 i. Draw the parse tree for the string abc and draw the dependency graph for the associated attributes. Describe a correct order for the evaluation of the attributes. (2 m) ii. What value does S.v have after attribute evaluation, if S.u=3 before evaluation begins? (2 m)Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started