NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 11

Question

Synthesized attribute can easily be simulated by an

• A. LL grammar
• B. ambiguous grammar
• C. LR grammar
• D. none of the above

Answer 1

https://gateoverflow.in/135434/compiier-design#:~:text=Synthesized%20attributes%20can%20be%20easily,evaluates%20in%20bottom%20up%20fashion.

Answer 2

LR grammar best simulates the Synthesized attributes. synthesized attributes generally work in bottom up parsing.

Hence answer should be option C.

Answer 3

it is synthesized attribute,

It is processed best by Bottom up parser which is also LR parser.

Answer 4

Since in S attributed grammar first the child are evaluated first then the parent.So LR grammar will be suitable for this.Hence option C