Common Lisp bootstrap-process Projects

maru

6 180 2.7 Common Lisp

Maru - a tiny self-hosting lisp dialect (by attila-lendvai)

Project mention: C Is Not a Low-level Language – Your computer is not a fast PDP-11 | news.ycombinator.com | 2023-10-16

Well Forth is possibly the most minimal VM over a platform, as evidenced by openfirmware.
It does have problems scaling though, in that if you've seen one Forth, you've seen one Forth ie. The variations required to fit a platform make them semi-incompatible.
That's not to say that a more lispy Forth wouldn't be useful though, in that a concatenative syntax allows us to pass custom datastructures around like APL, and CPS (delimited continuations with lexically scoped dynamic binding would come from the lisp side (see https://github.com/manuel/wat-js).
Memory management in Forth can handle multiple memory types eg. https://flashforth.com/ so adding something like ref counting (https://github.com/zigalenarcic/minilisp/blob/main/main.c) to handle the dynamic list side of things might mesh well.
In any case, if you're looking for a self hosting lisp that runs on bare metal, https://github.com/attila-lendvai/maru has been out for a few years.

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).