Which one of the following kinds of derivation is used by LR parsers?
No. 'L' for left-to-right scan and 'R' for rightmost derivation.
https://gateoverflow.in/299818/go-compiler1-parsing-6
A bottom-up parser traces a rightmost derivation in reverse. Answer (D).
Bottom Up parser – Rightmost derivation in reverse
Top Down parser – Leftmost Derivation
LR parser are type of bottom up parser and LR(Left-to-right, Rightmost derivation in reverse) uses rightmost in reverse.
https://en.wikipedia.org/wiki/LR_parser
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