For a Racket version, it would be very helpful to have a special case for tail calls.
(The support of continuations looks difficult, but they are no very used in beginners programs) Gustavo On Sat, Jul 11, 2015 at 12:28 PM, 'John Clements' via Racket Developers <[email protected]> wrote: > >> On Jul 7, 2015, at 5:57 PM, [email protected] wrote: >> >> I am a current undergraduate staff member for the UC Berkeley CS61AS >> introductory CS course. We switched from STK Scheme to Racket this summer, >> and were interested in creating an environment diagram drawer similar to >> Online Python Tutor for Racket. OPT is available on GitHub and uses a >> frontend to draws the diagrams from a JSON representation of frames for each >> step of execution. Backends exist for various languages, but not for >> Scheme/Racket. > > Building a Racket back-end for OPT would be quite straightforward. I’ve taken > a quick look at the interface, and I had an undergraduate take a brief crack > at it. > > With that said, I’m not sure how I feel about this model of computation; I > think the OPT is well-suited for languages that emphasize loops and mutation, > but it doesn’t have a nice tidy representation for the program context. > > I’d be the first to admit that the stepper is not currently very attractive, > though. > > John > >> >> I messaged Dr. Tobin-Hochstadt ("samth") but it turns out he didn't write >> the debugger, and pointed me here. I was wondering how I could get started >> with building such a environment diagram drawer backend. Thanks. I've read >> through parts of drracket/drracket/gui-debugger, and have a vague grasp on >> the Racket mixin system, plugins, (syntax) objects, but any guidance is >> welcome. >> >> >> Tony >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Racket Developers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/racket-dev/8b60e8c3-8d20-4bf0-8978-7f4901131ec1%40googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/racket-dev/77d6b33c-5057-4143-8313-820172e22efe%40mtasv.net. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/racket-dev/CAPaha9MPLF3MS12MDHgRUNVogiVzhmr4v18_XDFmWAZDKgP5%2Bg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
