4.9 Consider the following grammar (similar, but not identical to the grammar of Exercise 4.8): lexp → atom | list atom → number | identifier → ( lexp-seq ) lexp-seq list - lexp , lexp-seq | lexp a. Left factor this grammar. b. Construct First and Follow sets for the nonterminals of the resulting grammar. c. Show that the resulting grammar is LL(1). d. Construct the LL(1) parsing table for the resulting grammar. e. Show the actions of the corresponding LL(1) parser, given the input string (a, (b, (2) ), (c) ).

Computer Networking: A Top-Down Approach (7th Edition)
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4.9 Consider the following grammar (similar, but not identical to the grammar of Exercise
4.8):
lexp
atom → number| identifier
list → ( lexp-seq )
lexp-seq → lexp , lexp-seq | lexp
→ atom | list
a. Left factor this grammar.
b. Construct First and Follow sets for the nonterminals of the resulting grammar.
c. Show that the resulting grammar is LL(1).
d. Construct the LL(1) parsing table for the resulting grammar.
e. Show the actions of the corresponding LL(1) parser, given the input string
(a, (b, (2) ), (c) ).
Transcribed Image Text:4.9 Consider the following grammar (similar, but not identical to the grammar of Exercise 4.8): lexp atom → number| identifier list → ( lexp-seq ) lexp-seq → lexp , lexp-seq | lexp → atom | list a. Left factor this grammar. b. Construct First and Follow sets for the nonterminals of the resulting grammar. c. Show that the resulting grammar is LL(1). d. Construct the LL(1) parsing table for the resulting grammar. e. Show the actions of the corresponding LL(1) parser, given the input string (a, (b, (2) ), (c) ).
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