Consider the grammar S A b C| D c A A a A d |
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Question:
Consider the grammar
S → A b C| D c A
A → a A d | E | f
E → e | ε
C → c | ε
D → d D | ε
3.1. Show that the grammar has a predictive recursive descent parser. You should show that the conditions
of predictive parsing apply for every non-terminal.
3.2. Write parse_S(), parse_A(). Your parser should follow the general model of predictive parser that we
saw in class. In particular, for non-terminals that can generate ε, the parser should check the FOLLOW
set before choosing to parse the righthand side that generates ε.
3.3. Give a full execution trace for your parser from part 3.2 above on input a d d .
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