How to write a very simple JIT compiler

A functional concatenative language implemented in Linux/AMD64 machine code and self-modifying perl

Pure Ruby LALR parser generator

Racc is an LALR(1) parser generator. It is written in Ruby itself, and generates ruby programs.

A statically-typed functional language with generics, typeclasses, sum types, pattern-matching, first-class functions, currying, algebraic effects, associated types, good diagnostics, etc.

JIT compiler and runtime for a toy language, using Cranelift

mal - Make a Lisp

Boa is an embeddable Javascript engine written in Rust.

SwiftLaTeX, a WYSIWYG Browser-based LaTeX Editor

An incremental parsing system for programming tools

A fun safe language for rapid prototyping and high performance applications

A C compiler.

Zilog Z80 and Intel 8080 emulator library for Rust that passes all ZEXALL tests

Run compilers interactively from your web browser and interact with the assembly

A JavaScript NES emulator.

A deterministic parser with fused lexing

A Rust compiler front-end for IDEs

A GDB frontend for Linux.

Platform independent low-level JIT compiler

Inspired by nom, but specifically for strings.

A C compiler. ... That's it.

Juno Language Repository

static analysis of C/C++ code

Easy-to-use grammar-based black-box fuzzer. Has found dozens of bugs in important targets like Clang, Deno, and rustc.

Fast state-of-the-art tokenizers for Ruby

Speedy TypeScript type checker

A TypeScript superset that favors more types and less typing

Code from my series on writing a Ruby compiler in Ruby

Repository for the book "Crafting Interpreters"

📖 An approachable introduction to Assembly.