Compiler Design

Lexing, parsing, and code generation

2 tutorials

2 of 2 tutorials

beginnerApr 28, 2026· 11 min read

What is a Compiler? A Beginner's Guide to How Code Becomes a Program

Discover what a compiler actually does, how source code is translated through lexing, parsing, semantic analysis, optimization and code generation, and why compilers like LLVM, GCC and the Rust compiler matter in 2026.

Programming LanguagesLLVMGCC+2

beginnerApr 28, 2026· 10 min read

Lexical Analysis Explained: A Beginner's Guide to the First Compiler Phase

Understand lexical analysis from scratch: how a compiler scans source code character by character, builds tokens, handles whitespace and comments, and feeds the parser. Includes a tiny working lexer.

Compiler DesignLexerComputer Science+3