Question: 3. (a) Remove left-recursion from G3. (b) Construct a complete LL(1) parser for the resulting grammar in (a). Is the resulting grammar LL(1)? Why. G3:

3. (a) Remove left-recursion from G3.

(b) Construct a complete LL(1) parser for the resulting grammar in (a). Is the resulting grammar LL(1)? Why.

G3: R -> R + R | R - R | R * | ( R ) | a

4. (a) Construct a complete LL(2) parser and all necessary items for G4. Is G4 LL(2)? Explain.

(b) Describe a top-down parsing with output of productions for edfaa using the parser you constructed in (a).

G4:

A -> Ba | bC

B -> d | eBf

C -> gC | g

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