Consider the following attribute grammar. E BN {N. base {B. base {N. val = D.val; } {N. val (D. val digit. value; } B. base; E. val = B. val; } integer value; } B → integer N D N N D D N. val x N. base + D. val; } → digit What will be computed for E. val for input string 8100? 64 6. 04 8100

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Consider the following attribute grammar.
E BN
B
{N. base = B . base; E. val =B. val; }
integer value; }
→ integer { B. base
N D
N N D
D → digit
{N. val = D. val; }
{N. val = N, val x N. base + D. val; }
{D. val = digit. value; }
What will be computed for E. val for input string 8100?
64
09
O 4
O 8100
Transcribed Image Text:Consider the following attribute grammar. E BN B {N. base = B . base; E. val =B. val; } integer value; } → integer { B. base N D N N D D → digit {N. val = D. val; } {N. val = N, val x N. base + D. val; } {D. val = digit. value; } What will be computed for E. val for input string 8100? 64 09 O 4 O 8100
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