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Write a lexical analyzer to scan the following program snippet. /* The main function */ int main() { } int number = 3; print("Number"+ number); return 0;

Write a lexical analyzer to scan the following program snippet. /* The main function */ int main() { } int number = 3; print("Number"+ number); return 0;

Database System Concepts
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
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So I need help solving this particular HW problem.

Write a lexical analyzer to scan the following program snippet. /* The main function */ int main() { } int number print("Number " + number); return 0; 3; Your lexical analyzer (recognizer, scanner, i.e., your program) should - 1) read the code snippet one character at a time 2) skip comments and white spaces 3) once it recognizes a lexeme, it should associate it with its corresponding token Tokens used in this program ( a simplified version) - • KEYWORD: return, int • OPERATOR: =, + • IDENTIFIER: any non-keyword variables • Constants: H • STRING_LIT // string of characters. Note: surrounded by a pair of " • INT_LIT // integer numbers • SEPERATOR: ; • DELIMITER: (,), {} Your program should display something like the following: (KEYWROD, int) (IDENTIFIER, main) (DELIMITER, () (DELIMITER, ))
Transcribed Image Text:Write a lexical analyzer to scan the following program snippet. /* The main function */ int main() { } int number print("Number " + number); return 0; 3; Your lexical analyzer (recognizer, scanner, i.e., your program) should - 1) read the code snippet one character at a time 2) skip comments and white spaces 3) once it recognizes a lexeme, it should associate it with its corresponding token Tokens used in this program ( a simplified version) - • KEYWORD: return, int • OPERATOR: =, + • IDENTIFIER: any non-keyword variables • Constants: H • STRING_LIT // string of characters. Note: surrounded by a pair of " • INT_LIT // integer numbers • SEPERATOR: ; • DELIMITER: (,), {} Your program should display something like the following: (KEYWROD, int) (IDENTIFIER, main) (DELIMITER, () (DELIMITER, ))
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