Find out the most powerful parsers.

2021

Find out the most powerful parsers.

Answer: C. Canonical LR — Among LR parsers: SLR < LALR < Canonical LR (CLR) in power Canonical LR parser can handle the largest class of grammars, hence it is the most powerful parser.

  1. A.

    SLR

  2. B.

    LALR

  3. C.

    Canonical LR

  4. D.

    Operator-precedence

  5. E.

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Correct answer: C

Among LR parsers:
SLR < LALR < Canonical LR (CLR) in power

Canonical LR parser can handle the largest class of grammars, hence it is the most powerful parser.

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