Using the token types and classification values given in Figure 11.3, show the o

Question

Using the token types and classification values given in Figure 11.3, show the output of a scanner when it is presented with each of the following statements:
a. limit = begin + end

b.    a = b ? 1;

c.    if (c == 50) x = 1; else y = x + 44;

d. thenelse == error ?

Using the token types and classification values given in Figure 11.3, show the output of a scanner when it is presented with each of the following statements: a. limit = begin + end b. a = b ? 1; c. if (c == 50) x = 1; else y = x + 44; d. thenelse == error ?

Explanation / Answer

a) limit= begin + end

Token in the statement are "limit", "+", and "end".

Here, the symbols are "limit", "begin" and "end" and the classification number for symbol is 1.

The classification number for "=" is 3 and for "+" is 4

b) a=b-1;

Token in the statement are "a", "=", "b", "-" , "1" and ";".

c)if (c == 50) x = 1; else y = x + 44;

d) thenelse == error ?

Token Classification number limit 1 = 3 begin 1 + 4 end 1

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