Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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What are the sets of LR(1) items for this BNF grammar?

E ::= V | F
V := id | id[E]
F := id(E)

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Follow-up Question

Sorry to ask about this BNF grammar again, but what would the LR(1) sets be if the parentheses and bracket symbols were terminal symbols?

E::= V | F
V:= id | id[E]
F:= id(E)

Solution
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Follow-up Question

One last question. For this same grammar, would the LR(1) sets be different if both the parentheses and bracket symbols were treated as terminal symbols?

Ex: FOLLOW(E) = { ], ), $ }

E::= V | F
V:= id | id[E]
F:= id(E)

Solution
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by Bartleby Expert
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Follow-up Question

Would the sets be the same if the characters were spaced out?

E::= V | F
V::= id | id [ E ]
F::= id ( E )

Solution
Bartleby Expert
by Bartleby Expert
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Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

Sorry to ask about this BNF grammar again, but what would the LR(1) sets be if the parentheses and bracket symbols were terminal symbols?

E::= V | F
V:= id | id[E]
F:= id(E)

Solution
Bartleby Expert
by Bartleby Expert
SEE SOLUTION
Follow-up Question

One last question. For this same grammar, would the LR(1) sets be different if both the parentheses and bracket symbols were treated as terminal symbols?

Ex: FOLLOW(E) = { ], ), $ }

E::= V | F
V:= id | id[E]
F:= id(E)

Solution
Bartleby Expert
by Bartleby Expert
SEE SOLUTION
Follow-up Question

Would the sets be the same if the characters were spaced out?

E::= V | F
V::= id | id [ E ]
F::= id ( E )

Solution
Bartleby Expert
by Bartleby Expert
SEE SOLUTION
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