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YouTube

Flex - Lexical Analysis

Write your own Operating System via YouTube

Overview

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This course explains how to use flex for lexical analysis and tokenization in compiler construction. It demonstrates building C/C++ scanners with regular-expression rules, token streams, longest-match behavior, and start conditions.

Syllabus

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

Taught by

Write your own Operating System

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