[plt-scheme] Changing the behavior of the run and debug buttoninDrScheme

I think you'd have to extend mzscheme (as described in the "inside
mzscheme" manual) unless, of course, the connection is simply a tcp
port or a network connection or something and you can inherit the way
those are shutdown.

Robby

On Sat, Feb 23, 2008 at 5:53 AM, Robert Matovinovic
<robert.matovinovic at web.de> wrote:
> Hi Robby,
>  I read the paper you pointed me to, searched source code and mailing list.
>  From what I understand now, your suggestion to extend the custodian
>  hierarchy seems very logical to me. But I don't now how to do it. Where is
>  it defined? What might be a good start? Will it work if it is implemented in
>  my langugage module?  So far I read only about using custodians but not how
>  to extend there functionality. Any suggestions appreciated.
>
> Robert
>
>  -----Ursprüngliche Nachricht-----
>  Von: plt-scheme-bounces at list.cs.brown.edu
>  [mailto:plt-scheme-bounces at list.cs.brown.edu] Im Auftrag von Robby Findler
>  Gesendet: Montag, 18. Februar 2008 21:50
>  An: Gregory Cooper
>  Cc: Robert Matovinovic; plt-scheme at list.cs.brown.edu
>
>
> Betreff: Re: [plt-scheme] Changing the behavior of the run and debug
>  buttoninDrScheme
>
>
>  Others would probably know better than me, but it might make sense to extend
>  the custodian hierarchy with DDE support (so that when a custodian is
>  shutdown, the connection is properly closed) and then you won't need to do
>  anything DrScheme specific at all.
>
>  This has been pointed out many times here so I hope it isn't old news to
>  you, but it would fit in with the way DrScheme is designed as well as other
>  tools, as described in a research paper here:
>
>  http://citeseer.ist.psu.edu/201755.html
>
>  Robby
>
>  On Feb 18, 2008 12:59 PM, Gregory Cooper <greg at cs.brown.edu> wrote:
>  > Hi Robert,
>  >
>  > Perhaps you could simply override the on-execute method in your module
>  > language to make it initiate a connection.  I believe such a
>  > connection would be terminated automatically when you closed the tab
>  > or clicked Run or Debug again.  Would that work?
>  >
>  > For an example of something similar, look at
>  > collects/frtime/frtime-tool.ss, where the on-execute method is
>  > overridden to extract some values from the program before it starts
>  > running.
>  >
>  > Cheers,
>  > Greg
>  >
>  >
>  > On Feb 18, 2008 6:41 AM, Robert Matovinovic
>  > <robert.matovinovic at web.de> wrote:
>  > > Hi Greg,
>  > > thanks for your hints. They will definitely help me. I looked
>  > > already at the tools manual before I wrote the first mail but it
>  > > didn't help me where actually to find the code which is executed,
>  > > when the run button is clicked and how to extend/override it. So do
>  > > you or anybody know where to look at? Robert
>  > >
>  > > -----Ursprüngliche Nachricht-----
>  > > Von: plt-scheme-bounces at list.cs.brown.edu
>  > > [mailto:plt-scheme-bounces at list.cs.brown.edu] Im Auftrag von Gregory
>  > > Cooper
>  > > Gesendet: Sonntag, 17. Februar 2008 21:37
>  > > An: Robert Matovinovic
>  > > Cc: plt-scheme at list.cs.brown.edu
>  > > Betreff: Re: [plt-scheme] Changing the behavior of the run and debug
>  button
>  > > inDrScheme
>  > >
>  > >
>  > >
>  > > Hi Robert,
>  > >
>  > > Yes.  You'll probably need to define a tool with mixins that extend
>  > > various DrScheme classes.
>  > >
>  > > You can use drscheme:get/extend:extend-unit-frame to apply a mixin
>  > > to the unit frame (the class for the top-level DrScheme window).
>  > > The mixin can override the execute-callback method, which gets
>  > > invoked when the user clicks Run or Debug.
>  > >
>  > > To run your startup code: the unit frame provides a current-tab
>  > > method, to which you can send get-ints to get the associated
>  > > interactions-text object. Once you have the interactions-text, you
>  > > can send it run-in-evaluation-thread with a thunk containing the
>  > > code you want to run.
>  > >
>  > > As far as running shutdown code, you can similarly use
>  > > drscheme:get/extend:extend-tab to override enable-evaluation in the
>  > > tab. (I'm pretty sure enable-evaluation gets invoked once all the
>  > > definitions have been run, which should give you a suitable hook.
>  > > Someone else can correct me if I'm wrong about this.)
>  > >
>  > > For examples of these mechanisms in use, you can look in
>  > > collects/mztake/debug-tool.ss.  There may be simpler examples, but
>  > > that's where my experience comes from.
>  > >
>  > > Cheers,
>  > > Greg
>  > >
>  > > On Feb 17, 2008 2:02 PM, Robert Matovinovic
>  > > <robert.matovinovic at web.de>
>  > > wrote:
>  > > > Hi,
>  > > > is it possible to change the behavior of the run and debug buttons
>  > > > in DrScheme via a tool? I implemented a module language to control
>  > > > an external program via DDE (this ancient Windows dynamic data
>  > > > exchange). I would like to implement an automated connection setup
>  > > > to the external program before the program in the definitions
>  > > > window in executed or debugged and an automated disconnection
>  > > > afterwards, if that language is chosen. Can anybody point me to
>  > > > the right files to look at and what might be a good way to go?
>  > > > Thanks a lot. Robert _________________________________________
>  > > > Robert Matovinovic
>  > > > Wintererstr. 61
>  > > > 79104 Freiburg
>  > > > Germany
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>  > > > Tel:    +49 (0)700 6286 0000
>  > > > Cell:   +49 (0)171 56 32 330
>  > > > email: robert.matovinovic at web.de
>  > > >
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