Stackless

An interpreter implementation library. The goal is to make it easy to create your own interpreter for your chosen language (even a new one from scratch).

Additionally, Stackless aims to provide the following benefits:

Stackless interpreter: A non-recursive interpreter, similar to Python Stackless. Frames are used instead of recursive a recursive eval loop.
Microthreading: Ability to interrupt and switch execution contexts. Does not replace proper threading, but allows event-driven design.
Process management: Scheduling of microthreads, wait states, priorities, microthread memory separation.
Multiple languages: Stackless is designed to allow multiple different language interpreters to run per execution loop if desired.

Current Status

Version: 0.50 Updates for Elisp

Implemented:

Numerous updates to support Elisp (formerly known as PocoLithp), mostly in the microthreading department.

Version: 0.45 Working (Unoptimized) Stackless Scheme Interpreter

Implemented:

Completely working stackless Scheme interpreter
Speed is slow at the moment
All 29 test cases pass

TODO:

Move basic logic to Stackless templates
Tail-call optimizations
Frame use optimization

Changelog

Version: 0.35 Work-in-progress Stackless Scheme Interpreter

Implemented:

Basic interpreter. Some arguments are not getting resolved correctly.
Of 29 test cases, 10 failures occur. Good progress.

Version: 0.20 Cleanup release

Implemented:

Microthreading processes
Basic process management
Cleaned up types
Added shared pointer usage

Version: 0.10 First release

Implemented:

Stackless interpreter for Brainfuck
Microthreading for Brainfuck

andrakis/Stackless

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