John, Austin, You can use loggers for this. The `data` argument to `log-message` allows payloads to be carried along with log messages. Just have the user program log messages with a particular topic, and have the tool listen on that topic.
That's how the optimization coach (which is a DrRacket tool) gets info from the the user program. Vincent On Tue, 16 May 2017 11:38:32 -0500, 'John Clements' via Racket Users wrote: > > Austin Sparks (cc:ed) and I are struggling with what I believe should be a > pretty simple problem; how can we share a value between a DrRacket tool and a > user’s program? Specifically, the value in question here is a channel > (probably an asynchronous channel) on which the user’s thread can place > musical-note-to-be-played values. > > The heavyweight way―I’m pretty confident this would work―is to provide our > own “run” button, allowing us to add existing module invocations to the > user’s namespace before the user’s module is expanded or invoked. However, > I’m thinking there’s … an easier way to do it? > > John > > > > -- > You received this message because you are subscribed to the Google Groups > "Racket Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Racket Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
