Mitty

Mitty is a Brain*uck to WASM compiler and runtime.

Demo

https://utatti.github.io/mitty/

How to use

Install:

npm i -g @utatti/mitty

Prepare a Brain*uck code:

>++++++++[-<+++++++++>]<.>>+>-[+]++
>++>+++[>[->+++<<+++>]<<]>-----.>->
+++..+++.>-.<<+[>[+>+]>>]<---------
-----.>>.+++.------.--------.>+.>+.

Run mitty:

# JavaScript interpreter
mitty interpret hello.b

# WASM compiler
mitty compile hello.b hello.wasm
mitty exec hello.wasm

Requirement

Node.js >= 12 is needed to run ES Modules natively.

Test cases

The test cases in the /test directory are copied from the following repository. They have their own licensing.

• https://github.com/rdebath/Brainfuck

References

• WebAssembly Specification
• Brainfuck Optimization Strategies by Mats Linander

License

MIT