[plt-scheme] on-execute method in drscheme:language:language<%>

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Fri Jun 16 11:52:10 EDT 2006

I think that's precisely what you don't want. This is an environmental 
issue not a programming issue. Suppose you are creating an executable. 
All you want for this thing is to run; you don't want it to prove 
theorems, interactively, after you have carefully proven this program 
correct.

On Jun 16, 2006, at 11:49 AM, Eli Barzilay wrote:

> On Jun 16, Dale Vaillancourt wrote:
>> I need to "type-check" a program before running.  If it doesn't
>> pass, I want to reject the attempt to run.  The checking is done by
>> submitting the text in the definitions window to an external theorem
>> prover.
>>
>> You are right about execute-callback not being quite what I want,
>> btw.  That captures all clicks on `Run', even when my language is
>> not the one associated with the current tab.
>
> Wouldn't that be better to do at syntax-expansion time?  Something
> like overriding #%module-begin for module code, and the evaluation
> handler for other toplevel interactions?  (And that will make it
> possible to use outside of DrScheme.)
>
> -- 
>           ((lambda (x) (x x)) (lambda (x) (x x)))          Eli 
> Barzilay:
>                   http://www.barzilay.org/                 Maze is 
> Life!
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