Search Results for: nic ferrier

Debugging Emacs Lisp

Posted on 2014-10-11 by jcs

Nic Ferrier has posted a nice video tutorial on debugging Elisp. Ferrier covers the basics of instrumenting your code, stepping through it, setting breakpoints, and other edebug functions. He also demonstrates macrostep, a package that allows you to expand and … Continue reading →

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An Emacs Lisp Based Common Lisp

Posted on 2014-04-17 by jcs

Lars Brinkhoff has a really interesting project up at GitHub. It’s emacs-cl, a Common Lisp implemented in Emacs Lisp. This probably isn’t all that useful but it sure is awesome. As far as I can tell, it’s a pretty complete. … Continue reading →

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Elisp Namespaces

Posted on 2013-08-06 by jcs

Nic Ferrier has posted an interesting proposal to bring namespaces to Emacs Lisp. His ideas seem both reasonable and doable. One of Elisp’s big problems is the lack of a namespace system. We end up with a bunch of nasty … Continue reading →

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DSLs

Posted on 2013-05-25 by jcs

I have a long standing love affair with Domain Specific Languages (DSLs). Back when I was writing in C, I wrote several compilers and associated interpreters for various DSLs. This mainly involved using fairly heavyweight tools like lex and yacc … Continue reading →

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Lexical Status on the Mode Line

Posted on 2013-05-14 by jcs

Those of you who watched Nic Ferrier’s video on the difference between lexical and dynamic scope that I wrote about the other day may have noticed that his buffers indicated whether the buffer had lexical (LEX) or dynamic (DYN) scope. … Continue reading →

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Lexical Binding in Emacs Video

Posted on 2013-05-07 by jcs

If you’re still confused about the difference between dynamic and lexical scoping in Emacs, Nic Ferrier has an excellent video that explains it with a couple of simple examples. You may find it useful to review the meaning of closure … Continue reading →

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Emacs Conference Videos

Posted on 2013-04-09 by jcs

The indefatigable Sacha Chua volunteered to edit the videos of the recent Emacs Conference and I’ve been looking forward to watching them. The problem was that I haven’t been able to find a list of those ready for viewing. Until … Continue reading →

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Emacs in the Coming Year

Posted on 2013-02-27 by jcs

Nic Ferrier, the creator of elnode and the proprietor of Marmalade, gave an interesting Skills Matter talk on what the coming year will mean for Emacs. The video is about an hour and a quarter so plan appropriately. The talk … Continue reading →

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Elnode Video

Posted on 2012-11-02 by jcs

Nic Ferrier’s Elnode project is a great example of the power that Emacs and Emacs Lisp can deliver. Its almost unbelievable that you can run a Web server inside Emacs, but that’s what Elnode does. Once again we see in … Continue reading →

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Emacs and Bignums

Posted on 2012-09-02 by jcs

Nic Ferrier has a great post on using bignums with Emacs Lisp. Elisp, of course, does not support bignums but Ferrier has a trick: use the Elisp interface to calc, which does support bignums, to make the necessary calculations. Ferrier … Continue reading →

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