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Re: No way out.

From: Neil Jerram
Subject: Re: No way out.
Date: Wed, 28 Dec 2005 16:09:19 +0000
User-agent: Gnus/5.1007 (Gnus v5.10.7) Emacs/21.4 (gnu/linux)

Marius Vollmer <address@hidden> writes:

> Bruce Korb <address@hidden> writes:
>> 2.  After these commands:
>>     (use-modules (ice-9 stack-catch))
>>     (debug-enable 'backtrace)
>>     I should be getting stack traces on Scheme errors.  I'm not.
>>     (And, yes, I invoke either ``(backtrace)'' or ``scm_backtrace()''
>>     when a failure is detected.)
> Only "(debug-enable 'backtrace)" should be necessary.

And (debug-enable 'debug) or equivalent, I think.

>>     I can get file and line information for 1.6.7 and earlier
>>     *only*.  There seems to be no way to do it in 1.7.
> I will come back to this.

I think I've seen some places in eval.c where Dirk's recent
enhancements seemed to me to be discarding source info (by creating a
new pair instead of setting car and cdr, I think).  Is that what you
had in mind, or was there something else?


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