A lexical analyzer uses the following token definitions: For the string givenโฆ
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A lexical analyzer uses the following token definitions:
For the string given below,
๐ฅ1 23๐๐ 78 ๐ฆ 7๐ง ๐ง๐ง5 14๐ด 8๐ป ๐ด๐๐๐๐ท
the number of tokens (excluding ๐ค๐ ) that will be produced by the lexical analyzer is_____________.
Answer: 13 โ To find the number of tokens, we parse the input string from left to right using the given grammar rules. Rules: id starts with a letter, number starts with aโฆ
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Correct answer: 13
To find the number of tokens, we parse the input string from left to right using the given grammar rules.
Rules: id starts with a letter, number starts with a digit.
x1 -> id
23 -> number
mm -> id
78 -> number
y -> id
7 -> number
z -> id
zz5 -> id
14 -> number
A -> id
8 -> number
H -> id
AaYcD -> id
Total number of tokens = 13.
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