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− | = Problem = | + | == Problem == |
Consider the following grammar, where '''<tt>A</tt>''' is the initial symbol and '''<tt>{a,b,c,d,e}</tt>''' is the set of terminal symbols: | Consider the following grammar, where '''<tt>A</tt>''' is the initial symbol and '''<tt>{a,b,c,d,e}</tt>''' is the set of terminal symbols: | ||
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X -> a | X -> a | ||
A -> X c A e | M b | A -> X c A e | M b | ||
− | M -> A c | X c d | | + | M -> A c | X c d | ε |
# Examine the grammar and rewrite it so that an LL(1) predictive parser can be built for the corresponding language. | # Examine the grammar and rewrite it so that an LL(1) predictive parser can be built for the corresponding language. | ||
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== Solution == | == Solution == | ||
− | [[Image:CompilersTopDownParsingExercise7.jpg]] | + | [[Image:CompilersTopDownParsingExercise7.jpg|700px]] |
− | [[category: | + | [[category:Compiladores]] |
− | [[category: | + | [[category:Ensino]] |
Contents |
Consider the following grammar, where A is the initial symbol and {a,b,c,d,e} is the set of terminal symbols:
X -> a A -> X c A e | M b M -> A c | X c d | ε