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I built rasm (https://github.com/GrantMatejka/rasm) to compile racket to wasm. Definitely not production grade, but fun nonetheless
This project is very exciting. In the meantime, there are a couple of options:
BiwaScheme: https://www.biwascheme.org/
Advantages: written in JavaScript, with excellent JS interop. Project has some history.
Disadvantages: slower than S7 (though still plenty fast for many uses), less-complete (e.g., no syntax-rules or syntax-case, though it does have its own define-macro).
S7 Scheme: https://cm-gitlab.stanford.edu/bil/s7
Written in C, but can be transpiled to WASM (see https://github.com/actonDev/s7-playground/ )
Advantages: This project also has some history. Considerably faster than BiwaScheme.
Disadvantages: JS interop is clumsier (basically the same issues as JS interop with any WASM code... this could probably be mitigated considerably if someone wanted to take the time).
This project is very exciting. In the meantime, there are a couple of options:
BiwaScheme: https://www.biwascheme.org/
Advantages: written in JavaScript, with excellent JS interop. Project has some history.
Disadvantages: slower than S7 (though still plenty fast for many uses), less-complete (e.g., no syntax-rules or syntax-case, though it does have its own define-macro).
S7 Scheme: https://cm-gitlab.stanford.edu/bil/s7
Written in C, but can be transpiled to WASM (see https://github.com/actonDev/s7-playground/ )
Advantages: This project also has some history. Considerably faster than BiwaScheme.
Disadvantages: JS interop is clumsier (basically the same issues as JS interop with any WASM code... this could probably be mitigated considerably if someone wanted to take the time).
https://github.com/google/schism
For some reason, Google was working on a Scheme WASM compiler, which they got self-hosting. It was then abandoned. I don't really know what they were trying to accomplish with that project.
The proposal was recently bumped to stage 4 (the penultimate stage) with at least a couple of runtimes working on implementing (besides v8, which has supported it for quite awhile now)
https://github.com/WebAssembly/proposals
Related posts
- BiwaScheme is a Scheme interpreter written in JavaScript
- My reading workflow (you guys might find some bits from it useful)
- The stepmotherly treatment of Windows platform by Scheme implementors
- LIPS Scheme version 1.0.0-beta.15 is out
- Example implementation of continuations and TCO in Scheme or lisp