PaperLens
紙
Students
Professional
JA
EN
◐
Sign in with Google
Sign in
Read
Home
Close reading
New
Textbook
Go deeper
Learn
Lab
Landscape
Contributors
Glossary
You
Search
All-access
My Page
#parsing
1 articles
01
2026-08-26
·
Compilers & Runtimes
·
FREE
·
11 min read
Compilers From Scratch — How Source Becomes Machine Code
One line of source code, followed all the way down through lexing, parsing, semantic analysis, intermediate representation, optimization, and code generation, until it comes out as a single machine instruction. Along the way: why bugs surface at -O2, and why your benchmark loop disappears.