Flex - Lexical Analysis

Learn about flex, a powerful tool for lexical analysis and tokenization in compiler construction. Explore the setup process, understand how flex works with identifiers and variable names, and discover concepts like first longest match and shortest match. Dive into token streams, token enums, string pointers, and prefixes. Examine multiple lexus buffers and see a practical PHP example in this comprehensive 57-minute video on lexical analysis for operating system development.

Introduction
Setup
cpp
flexlexa
flexsample
if while
how flex works
identifiers
variable names
while
first longest match
shortest match
token stream
token enum
string pointer
prefix
multiple lexus
buffer
PHP example