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A comment on Writing a Forth in Haskell.

Re:Writing a Forth in Haskell by andybak on Friday June 09, 2017 @04:51AM (#14520100)
Can anyone point me to a Forth implementation where the absolute bare minimum is written in (C/assembly/whatever) and everything possible is then bootstrapped in Forth itself?

I recall reading what the minimal word set needed to be able to write the rest of standard Forth (Fig Forth if I recall) but I seem to remember that most implementations don't push the purity quite that far for performance reasons.

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Re:Writing a Forth in Haskell by Marazan on Friday June 09, 2017 @05:38AM (#14520252)
Jonesforth is pretty minimal bootstrap

https://rwmj.wordpress.com/2010/08/07/jonesforth-git-reposit...

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Re:Writing a Forth in Haskell by zevv on Friday June 09, 2017 @05:51AM (#14520297)
Self promotion: https://github.com/zevv/zForth

zForth is yet another Forth, but with some special features not found in most other forths. Note that zForth was written for engineers, not for language purists or Forth aficionados. Its main intention is to be a lightweight scripting language for extending embedded applications on small microprocessors. It is not particularly fast, but should be easy to integrate on any platform with a few kB's of ROM and RAM.

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Re:Writing a Forth in Haskell by tehologist on Saturday June 10, 2017 @11:48PM (#14530509)
https://github.com/tehologist/forthkit

I did exactly this, was curious if I could write an outer and inner interpreter in pure c in under 500 lines with only 5 c functions. I then used that to boot strap an image that can run using only the inner interpreter.

http://chiselapp.com/user/tehologist/repository/compc/index

Also several experimental versions. Final version includes a pdf that documents how the c code works.

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Re:Writing a Forth in Haskell by Gracana on Friday June 09, 2017 @09:35AM (#14521217)
In addition to what others have linked, look up "moving forth," which is a series on porting forth... It covers the low-level bits that you'd need to port to run Forth on a new platform.
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