Perl lexer parser

Introduction to Language Processing

Compiling Lexer Code :

./buildLexer.sh
./perllp.bin < <FILE_NAME.pl>

Using Lexer :

./perllex <FILE_NAME.pl>

Using Flex code:

flex classDemo.l
gcc -o flexDemo lex.yy.c -lfl
./flexDemo

• Now, type whatever you want. Press Ctrl + D to get output

References :

• Geeksforgeeks
• info flex
• Flex Notes