munificent/craftinginterpreters on Hacker News

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Show HN: Plox – Lox compiler in ~600 LOC from the 'Crafting Interpreters' book

story by eliasdejong · 2026-07-23 · 0 comments

An optional challenge gives an implementation of arrays for jlox at least: https://github.com/munificent/craftinginterpreters/blob/4a84...

comment by x-yl · 2025-10-28 · in Wren: A classy little scripting language

…of the book into whatever language you want. People have posted versions in dozens of languages: https://github.com/munificent/craftinginterpreters/wiki/Lox-... (There are fewer options for the second half, since you need more control over…

comment by SatvikBeri · 2025-10-27 · in Wren: A classy little scripting language

Cool! I did not know about that book. Added to [1]. :-) -- 1: https://github.com/munificent/craftinginterpreters/issues/92...

comment by emmanueloga_ · 2025-05-06 · in Nnd – a TUI debugger alternative to GDB, LLDB

…and a few custom scripts: https://journal.stuffwithstuff.com/2020/04/05/crafting-craft... , https://github.com/munificent/craftinginterpreters/tree/mast... . This is how those famous 10x writers/programmers work, I guess. Asciidoc is…

comment by red_admiral · 2025-02-06 · in Markdown's Big Brother: Say Hello to AsciiDoc

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Show HN: RasperDucky, an Implementation of DuckyScript3 for Raspberry Pico

story by leogout · 2024-11-02 · 0 comments

The license is here: https://github.com/munificent/craftinginterpreters/blob/mast... Though now that I look at it, I apparently completely forgot to specify how the images should be licensed. Oops. It's not a big deal and I really…

comment by munificent · 2024-08-01 · in Crafting Interpreters with Rust: On Garbage Collection

There are a whole pile of Lox implementations in Rust (as well as many other lanugages): https://github.com/munificent/craftinginterpreters/wiki/Lox-...

comment by munificent · 2024-07-31 · in Crafting Interpreters with Rust: On Garbage Collection

…time tracking down an issue with how the reference interpreter implementation defines tokens: https://github.com/munificent/craftinginterpreters/issues/11... which was frustrating but good debugging practice.

comment by jcdavis · 2024-07-31 · in Crafting Interpreters with Rust: On Garbage Collection

Lots of people have done implementations in other languages: https://github.com/munificent/craftinginterpreters/wiki/Lox-... I did the first half in Clojure (in order to teach myself Clojure), worked just fine. I had to do a bit of…

comment by SatvikBeri · 2024-07-13 · in Crafting Interpreters

I’m guessing you’ll have to work with the scopes in the resolver: https://github.com/munificent/craftinginterpreters/blob/mast...

comment by emmanueloga_ · 2023-09-27 · in Writing a debugger from scratch: Breakpoints

…honestly I still haven't gotten down to read all of them (or to implement a debugger! :-/). -- 1: https://github.com/munificent/craftinginterpreters/issues/92...

comment by emmanueloga_ · 2023-09-27 · in Writing a debugger from scratch: Breakpoints

…state of each interpreters (including your own) at the end of each chapter, which is really cool: https://github.com/munificent/craftinginterpreters#testing-y...

comment by LanternLight83 · 2022-07-13 · in Book Review: “Crafting Interpreters” by Robert Nystrom

I love the crafting interpreters book, https://github.com/munificent/craftinginterpreters

comment by acedTrex · 2022-06-12 · in Ask HN: Which are the best open source books?

…text are intertwined while Crafting Interpreters keeps code aligned to text but they are distinct https://github.com/munificent/craftinginterpreters EDIT: BTW the book is great, can't recommend it enough! :)

comment by evacchi · 2022-04-29 · in Crafting Interpreters

…to understand it. Also, all of the code in the book has been ported to a large number of languages: https://github.com/munificent/craftinginterpreters/wiki/Lox-...

comment by munificent · 2022-02-14 · in Crafting Interpreters – Web Version

The content of the book isn't open source, but the code in it and the code for the build system is: https://github.com/munificent/craftinginterpreters

comment by munificent · 2022-01-06 · in Yet Another Roguelike Tutorial

It seems to be handcrafted. https://github.com/munificent/craftinginterpreters/tree/mast... Custom dart code to convert and process markdown.

comment by yutijke · 2021-09-10 · in Ask HN: Books that teach you programming languages via systems projects?

…the C details and get by. Also, the code in the book has been ported to many other languages: https://github.com/munificent/craftinginterpreters/wiki/Lox-... So you can always use those as a reference too.

comment by munificent · 2021-08-05 · in Six hundred and forty pages in fifteen months

…The first is in Java, and the second in C. The code has also been ported to many other languages: https://github.com/munificent/craftinginterpreters/wiki/Lox-...

comment by munificent · 2021-07-29 · in Crafting Interpreters is available in print

That's correct. The entire build system is: https://github.com/munificent/craftinginterpreters/tree/mast...

comment by munificent · 2021-07-29 · in Crafting Interpreters is available in print

…else, but maybe there are some good ideas in there for other websites? Edit: I guess that’s here: https://github.com/munificent/craftinginterpreters/blob/mast...

comment by skybrian · 2021-07-29 · in Crafting Interpreters is available in print

Readers have ported the code in the book to many languages already: https://github.com/munificent/craftinginterpreters/wiki/Lox-... That means it's either not too hard to do yourself, or at the very least you can use their ports as a…

comment by munificent · 2021-07-29 · in Crafting Interpreters is available in print

…it has classes (not prototypes), which JS didn't get until later. Also many other implementations: https://github.com/munificent/craftinginterpreters/wiki/Lox-...

comment by chubot · 2020-05-01 · in Show HN: Building a scripting language and bytecode interpreter for education

…could add a design note in the chapter with the mentioned content? Great idea! Made a note of it: https://github.com/munificent/craftinginterpreters/issues/62...

comment by munificent · 2020-03-18 · in Crafting Interpreters: Superclasses

…tool by Bob Nystrom with many implementations [1] and a great (work in progress) book [2] [1] https://github.com/munificent/craftinginterpreters/wiki/Lox-... [2] http://craftinginterpreters.com/

comment by tony-allan · 2019-12-01 · in Mal – Make a Lisp, implemented in 79 languages

…There is an exercise in one of the chapters to add them, and you can see my answer to that here: https://github.com/munificent/craftinginterpreters/blob/mast...

comment by munificent · 2019-09-27 · in Crafting Interpreters: Closures

…255. You are not mistaken. I changed the limit, but missed that part. Filed an issue to fix this: https://github.com/munificent/craftinginterpreters/issues/46... Thank you!

comment by munificent · 2019-07-25 · in Crafting Interpreters: Calls and Functions

…already feel feature-complete for the way you think and work when organizing book content? [0] https://github.com/munificent/craftinginterpreters/blob/mast... [1] https://github.com/munificent/game-programming-patterns/blob...

comment by danso · 2019-07-25 · in Crafting Interpreters: Calls and Functions

…on it (except for a few months in the beginning when the project was still kind of nebulous): https://github.com/munificent/craftinginterpreters/blob/mast...

comment by munificent · 2018-09-24 · in Crafting Interpreters: Strings

…with a red pencil. Whatever works for you, works. [1]: http://www.craftinginterpreters.com/ [2]: https://github.com/munificent/craftinginterpreters/tree/mast...

comment by munificent · 2018-09-05 · in The Tools I Use to Write Books

…ithub.com/munificent/game-programming-patterns/blob... [3]: http://www.craftinginterpreters.com/ [4]: https://github.com/munificent/craftinginterpreters/tree/mast... [5]: https://github.com/munificent/craftinginterpreters/blob/mast...

comment by munificent · 2018-06-05 · in Ask HN: What is your blogging platform of choice in 2018?

Just a handful of Python scripts: https://github.com/munificent/craftinginterpreters/tree/mast... The book is written in Markdown. The code samples are stored in separate files so that I can compile and test them. The code has little…

comment by munificent · 2018-04-06 · in A Virtual Machine

…curious people have ported the code in the book to a lot of languages. Some of them are here: https://github.com/munificent/craftinginterpreters/wiki/Lox-... Though, if you want to do this yourself, consulting those might be considered…

comment by munificent · 2018-04-06 · in A Virtual Machine

All source is here. https://github.com/munificent/craftinginterpreters

comment by colonelxc · 2018-04-06 · in A Virtual Machine

https://github.com/munificent/craftinginterpreters I should probably link to it from the site...

comment by munificent · 2017-06-02 · in Show HN: “Statements and State”, the next chapter of my book on interpreters

A pretty simple hand-cobbled-together chunk of Python: https://github.com/munificent/craftinginterpreters/blob/mast... It's more complex than the build script[1] for my previous book[2], but still pretty simple. There's a real luxury in…

comment by munificent · 2017-06-02 · in Show HN: “Statements and State”, the next chapter of my book on interpreters

…the code for it here [2]. [1]: http://www.craftinginterpreters.com/a-bytecode-virtual-machi... [2]: https://github.com/munificent/craftinginterpreters/blob/mast...

comment by munificent · 2017-06-02 · in Show HN: “Statements and State”, the next chapter of my book on interpreters

The repo is here https://github.com/munificent/craftinginterpreters so you could have looked without the need for 'comedic' guessing. It contains exactly zero getX/setX methods.

comment by pvg · 2017-06-02 · in Show HN: “Statements and State”, the next chapter of my book on interpreters

…hide it persistently after the first time you closed it. I'll try to resurrect that for this one. https://github.com/munificent/craftinginterpreters/issues/11

comment by munificent · 2017-01-16 · in Show HN: Crafting Interpreters – A handbook for making programming languages

…and eval make it a lot harder. It's pretty dense, but I liked "Lisp in Small Pieces" a lot. [1]: https://github.com/munificent/craftinginterpreters

comment by munificent · 2017-01-16 · in Show HN: Crafting Interpreters – A handbook for making programming languages

…Meanwhile, it looks like both interpreters are available to study now in the Git repo. [1] [1]: https://github.com/munificent/craftinginterpreters

comment by mwcampbell · 2017-01-16 · in Show HN: Crafting Interpreters – A handbook for making programming languages