[gambit-list] Non-REPL Debugging in Gambit
Guillaume Germain
guillaume.germain at gmail.com
Mon Aug 27 19:12:28 EDT 2007
On 8/27/07, François Magnan <francois.magnan at licef.teluq.uqam.ca> wrote:
> Is there an easy way to access the debugging functions of the Gambit
> REPL in a programmatic way?
> I would like to call (for example) a function that would give me the
> equivalent of ",b" and ",e" inside my exception-catcher.
Here's a simple example for ##cmd-b :
(define (stack-to-string)
(##continuation-capture
(lambda (k)
(call-with-output-string ""
(lambda (port)
(##cmd-b 0 k port))))))
If you use something like this inside an exception handler, I suggest
you look into the ##display-exception-in-context procedure. It takes
as arguments the exception object, the current continuation captured
with ##continuation-capture and a port.
Note that you should install the handler using with-exception-handler
(and *not* with-exception-catcher) if you want to do this.
Guillaume
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