Start +/- addchar; getchar A Letter addChar; getChar Digit addChar; getChar addChar; getChar Digit addchar; getchar Letter/Digit id int Digit addChar; getChar DOT (.) addchar; getchar return lookup (lexeme) return Int Lit DOT (.) addchar, getchar float return Float Lit Digit addchar; getchar
Start +/- addchar; getchar A Letter addChar; getChar Digit addChar; getChar addChar; getChar Digit addchar; getchar Letter/Digit id int Digit addChar; getChar DOT (.) addchar; getchar return lookup (lexeme) return Int Lit DOT (.) addchar, getchar float return Float Lit Digit addchar; getchar
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
Draw a diagram by modifying the following state diagram to construct a lexical analyzer that recognizes double values represented by scientific notation like "+1.23e-12" or "70.1234E+34" or "-0.000001E-95".

Transcribed Image Text:Start
+/-
addchar; getchar
A
Letter
addChar; getChar
Digit
addChar; getChar
addChar; getChar
Digit
addchar; getchar
Letter/Digit
id
int
Digit
addChar; getChar
DOT (.)
addchar; getchar
return lookup (lexeme)
return Int Lit
DOT (.)
addchar, getchar
float
return Float Lit
Digit
addchar; getchar
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