From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: How to exit out of a function ? what is try-catch-throw in terms of Program Counter
Date: Tue, 23 Oct 2007 21:06:00 -0400 [thread overview]
Message-ID: <jwvejflwcgv.fsf-monnier+gnu.emacs.help@gnu.org> (raw)
In-Reply-To: ffl8f2$vhs$1@news.datemas.de
>>> NOTE: I am really afraid of try-catch-throw. I have never been
>>> able to understand it since it does not exist in C and I can't
>>> really visualize the construct in terms of C. That is what my
>>
>> Actually, these constructs pretty much exist in C as well: `catch' is
>> called `setjmp', and `throw' is called `longjmp'.
> I believe a better way would be to imagine that 'try', not 'catch',
> is called 'setjmp'.
Sorry, I'm reading this on gnu.emacs.help where Elisp only provides `catch'
and `throw' (no `try') and these map pretty closely to setjmp/longjmp.
Stefan
next prev parent reply other threads:[~2007-10-24 1:06 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-20 20:45 How to exit out of a function ? what is try-catch-throw in terms of Program Counter gnuist006
2007-10-20 20:57 ` gnuist006
2007-10-20 22:55 ` Alf P. Steinbach
2007-10-23 18:06 ` gnuist006
2007-10-23 19:53 ` Alf P. Steinbach
2007-11-04 23:02 ` David Thompson
2007-11-05 5:07 ` Alf P. Steinbach
2007-11-05 5:59 ` Alf P. Steinbach
2007-12-02 23:20 ` David Thompson
2007-12-02 23:51 ` Alf P. Steinbach
2007-10-21 1:08 ` Jim Langston
2007-10-21 2:30 ` Keith Thompson
2007-10-21 10:44 ` Kenny McCormack
2007-10-21 10:55 ` santosh
2007-10-21 12:26 ` Richard Heathfield
2007-10-21 22:35 ` Mark McIntyre
2007-10-21 12:09 ` Malcolm McLean
2007-10-21 15:23 ` Kenny McCormack
2007-10-21 15:54 ` santosh
2007-10-21 17:39 ` Malcolm McLean
2007-10-21 21:53 ` Kenny McCormack
2007-10-21 8:03 ` Malcolm McLean
2007-10-21 16:07 ` abhy
2007-10-21 17:43 ` santosh
2007-10-23 9:04 ` Joel Yliluoma
2007-10-23 16:33 ` Stefan Monnier
2007-10-23 16:44 ` gnuist006
2007-10-23 16:45 ` Victor Bazarov
2007-10-24 1:06 ` Stefan Monnier [this message]
2007-10-23 16:54 ` gnuist006
2007-10-23 17:14 ` Alf P. Steinbach
2007-10-24 1:09 ` Stefan Monnier
2007-10-24 0:02 ` Joel Yliluoma
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