Creating an ARM32 emulator in JavaScript, part 7 — Parser combinators

📰 Medium · JavaScript

Learn to create an ARM32 emulator in JavaScript using parser combinators, a crucial step in building a complex emulator

advanced Published 8 Jun 2026
Action Steps
  1. Implement a parser combinator library in JavaScript to handle ARM32 instructions
  2. Use the library to parse ARM32 assembly code and generate an abstract syntax tree (AST)
  3. Write tests to validate the parser's correctness and robustness
  4. Integrate the parser with the existing emulator codebase
  5. Optimize the parser for performance and readability
Who Needs to Know This

This tutorial benefits software engineers and developers working on emulators, compilers, or interpreters, as it provides hands-on experience with parser combinators in JavaScript

Key Insight

💡 Parser combinators are a powerful tool for building parsers and can be used to simplify the parsing process in emulator development

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🤖 Create an ARM32 emulator in JS using parser combinators! 🚀

Full Article

In the previous part we added tests, which keep our code honest as it grows more complex. In this part we get to the fun stuff: parsing… Continue reading on Medium »
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