Top-Down Parsing/Example 2

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< Top-Down Parsing
Revision as of 12:45, 10 April 2008 by Root (talk | contribs) (New page: == Problem == Consider the following grammar, where '''<tt>S</tt>''' is the initial symbol and '''<tt>{d,e,f,g,h}</tt>''' is the set of terminal symbols: S -> A B d | C d A -> C d h ...)

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Problem

Consider the following grammar, where S is the initial symbol and {d,e,f,g,h} is the set of terminal symbols: 

 S -> A B d | C d
 A -> C d h | S e
 C -> g B | h f
 B -> g | ε
  1. Examine the grammar and rewrite it so that an LL(1) predictive parser can be built for the corresponding language.
  2. Compute the FIRST and FOLLOW sets for all non-terminal symbols in the new grammar and build the parse table.
  3. Show the analysis table (stack, input, and actions) for the parsing process of the hfded input sequence.

Solution

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