In earlier articles, we implemented a tokenizer for the Wasm text syntax (WAT) and started on a parser to convert those tokes to a S-expression AST.

In this part, we’ll start to create a transformer to convert that AST to a new one that better matches the WASM output we will be crafting. Don’t ask me how many parts that’s going to take!

Reminder: You are reading content that took a great deal of effort to craft, compose, and debug. If you appreciate this work, consider supporting me on Patreon or GitHub.

Continue reading

It’s been a while since I published the last chapter of LazyVim for Ambitious Developers on the website, but I was waiting for the print edition to be available to share it widely. And that required waiting (twice) for proofs to be mailed to me.

But it’s finally here! For a direct link to purchase the print edition, click here.

I’m proud of the book contents. I’m pretty confident that even seasoned Vim power users would pick up one or two tricks they didn’t already know. I didn’t cover everything, of course. I’m sure those same power users can come up with tips to make it even better.

Continue reading

In earlier articles, I introduced this “WAT to Wasm compiler in Roc” project, wrote some Roc code to load an input file, and implemented a tokenizer for a “hello world” of Wat to Wasm compilation. It was… more work than I expected. Four blog posts more work, to be precise! I have no idea where it’s going to end.

But I do know what’s next! Parsing.

Reminder: You are reading content that took a great deal of effort to craft, compose, and debug. If you appreciate this work, consider supporting me on Patreon or GitHub.

Continue reading

In earlier articles, I introduced the project, wrote some Roc code to load an input file, and started implementing a Tokenizer.

This part takes a bit of a detour with a refactor to support rudimentary error reporting.

Reminder: You are reading content that took a great deal of effort to craft, compose, and debug. If you appreciate this work, consider supporting me on Patreon or GitHub.

Handling Errors during Tokenizing

Before we start adding more tokens to tokenize the Hello World module, I want to beef up our error handling a bit. There are a few reasons I don’t like the basic dbg nextByte we are currently using the wildcard arm:

Continue reading

My latest hair-brained project is a WAT-to-Wasm compiler written in the Roc programming language. I explained my (ir)rationale for the project in Part 1 of this series, which also included an introduction to the technologies we’ll be using.

Note: Other articles in this series are collected here.

In this article, we’ll get started writing some Roc code. We won’t get to the point where we are doing anything with WAT or Wasm, yet, but we will be able to load an input file and parse some command line arguments.

Continue reading

I’m working on a new book! This one will be published online with plenty of begging for support on my Patreon. If there is sufficient interest, I’m planning physical and ebook editions later this year.

LazyVim for Ambitious developers is a book for the modal-editor-curious out there. Vim and Neovim have a reputation for being hard to learn and configure. LazyVim really negates that reputation, but its documentation still assumes that you have a lot of prior knowledge with Vim and Neovim.

Continue reading