From: Nic Ferrier <nferrier@ferrier.me.uk>
To: Leo Liu <sdl.web@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: define-advice, advise, defnadvice, advice-advise you name it
Date: Sun, 16 Nov 2014 22:20:29 +0000 [thread overview]
Message-ID: <87fvdilrde.fsf@ferrier.me.uk> (raw)
In-Reply-To: <87sihisveo.fsf@gmail.com> (Leo Liu's message of "Mon, 17 Nov 2014 05:11:27 +0800")
Leo Liu <sdl.web@gmail.com> writes:
> (defmacro define-advice (symbol args &rest body)
> "Define an advice and add it to function named SYMBOL.
> See `advice-add' and `add-function' for explanation on the
> arguments. Note if NAME is nil the advice is anonymous;
> otherwise it is named `SYMBOL@NAME'.
>
> \(fn SYMBOL (WHERE LAMBDA-LIST &optional NAME DEPTH) &rest BODY)"
> (declare (indent 2) (doc-string 3) (debug (sexp sexp body)))
> (or (listp args) (signal 'wrong-type-argument (list 'listp args)))
> (or (<= 2 (length args) 4)
> (signal 'wrong-number-of-arguments (list 2 4 (length args))))
> (let* ((where (nth 0 args))
> (lambda-list (nth 1 args))
> (name (nth 2 args))
> (depth (nth 3 args))
> (props (and depth `((depth . ,depth))))
> (advice (cond ((null name) `(lambda ,lambda-list ,@body))
> ((or (stringp name) (symbolp name))
> (intern (format "%s@%s" symbol name)))
> (t (error "Unrecognized name spec `%S'" name)))))
> `(prog1 ,@(and (symbolp advice) `((defun ,advice ,lambda-list ,@body)))
> (advice-add ',symbol ,where #',advice ,@(and props `(',props))))))
>
>
> So does anyone have something that sounds advicey and macroish?
push-advice?
Nic
next prev parent reply other threads:[~2014-11-16 22:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-16 21:11 define-advice, advise, defnadvice, advice-advise you name it Leo Liu
2014-11-16 22:20 ` Nic Ferrier [this message]
2014-11-17 4:27 ` Stefan Monnier
2014-11-18 12:52 ` Daniel Colascione
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