There's a new SRFI effort on refining the continuation API:

SRFI 226: Control Features (schemers.org)
<https://srfi.schemers.org/srfi-226/srfi-226.html>

It'd be interesting to look into implementing this SRFI for Kawa Scheme.

On Mon, Aug 9, 2021 at 3:42 PM Per Bothner <per@bothner.com> wrote:

> A suggestion: Polish and check in the code in the calcc branch.
> Then change the interface so it is compatible that the tail-call API.
> Specifically change the generated "fragments" so each looks like:
>
>    static Object stubNN(Procedure proc, CallContext ctx) throws Throwable)
> { ... }
>
> and call each fragment using MethodHandle#invokeExact.
>
> Of course this is not trivial: The person(s) doing this have to understand
> not just logic of callcc changes but also how applyToConsumerMethod and
> CallContext etc work, before they can synthesize them.
> --
>         --Per Bothner
> per@bothner.com   http://per.bothner.com/
>


-- 
Duncan.