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Re: Is there a "selective setq locator/highlighter" anywhere?

From: Lennart Borgman
Subject: Re: Is there a "selective setq locator/highlighter" anywhere?
Date: Thu, 22 Jan 2009 14:44:11 +0100

On Thu, Jan 22, 2009 at 2:54 PM, Alan Mackenzie <address@hidden> wrote:
> Hi, Emacs!
> I sometimes have problems with long rambling elisp defuns, in that some
> critical variable, say `c-state-cache' is updated in several (or even
> many) places in the defun, and it's difficult to see the places it gets
> changed.
> Hi-lock-mode is helpful here, in that I can highlight occurances of
> "c-state-cache" and occurances of "setq".  But the longer and ramblinger
> a defun becomes, the less helpful is this.
> I would like a tool which would highlight these:
>    (setq foo bar
>          c-state-cache (cdr c-state-cache))
>    (setcar c-state-cache (caar c-state-cache))

Can't you catch this with a regexp? (And I never understood what the
multi setq is good for.)

> , but not this:
>    (setq old-cache c-state-cache)
> .  Does anybody know of anything like this in existance?
> Thanks!
> --
> Alan Mackenzie (Nuremberg, Germany).

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