https://github.com/falcolabs/kcc

The Kat Compiler Collection for the Scratch visual programming language.
https://github.com/falcolabs/kcc

programming-language rust sb3 scratch scratch-implementation scratch3 vm

Last synced: 14 days ago
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The Kat Compiler Collection for the Scratch visual programming language.

• Host: GitHub
• URL: https://github.com/falcolabs/kcc
• Owner: falcolabs
• License: gpl-3.0
• Created: 2025-09-17T07:57:05.000Z (21 days ago)
• Default Branch: main
• Last Pushed: 2025-09-22T03:51:02.000Z (16 days ago)
• Last Synced: 2025-09-22T05:39:01.636Z (16 days ago)
• Topics: programming-language, rust, sb3, scratch, scratch-implementation, scratch3, vm
• Language: Rust
• Homepage:
• Size: 480 KB
• Stars: 1
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE
  • Maintainers: MAINTAINERS.md

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README

          
# Kat Compiler Collection

![badge](https://forthebadge.com/images/badges/powered-by-electricity.svg)

![badge2](https://forthebadge.com/images/badges/made-with-crayons.svg)

![rust](https://img.shields.io/badge/Rust-000000?style=flat&logo=rust&logoColor=white)

![scratch](https://img.shields.io/badge/Scratch-4D97FF?style=flat&logo=Scratch&logoColor=white)

An (optionally headless) Scratch™ compiler and virtual machine written in Rust.

## Project State

It is currently capable of executing all Operators, `say` and `think` in Looks, Controls, and Variables blocks.

Here's a few examples of it running (rendered with cat ears):

![invest](./images/invest.png)

```sh

$ kcc invest.sb3

2

true

1.4142135623730951

```

![invest](./images/nsieve.png)

This example is not runnable yet.

## License

This program is free software. It comes without any warranty, to the extent permitted by applicable law. You can redistribute it and/or modify it under the terms of the [GNU General Public License, version 3](./LICENSE), or at your option (required if you want to intergrate it into a proprietary product), the [DORAEMON IS THE BEST ANIME PUBLIC LICENSE, version 1](./LICENSE_DORAEMON).

###### The Scratch name, Scratch logo, Scratch Day logo, Scratch Cat, and Gobo are Trademarks owned by the Scratch Team.