From: Kevin Rodgers <kevin.d.rodgers@gmail.com>
To: bug-gnu-emacs@gnu.org
Subject: bug#2061: 23.0.60; Add preference to force load of Elisp files when they are newer than corresponding byte-compiled file
Date: Wed, 28 Jan 2009 01:29:37 -0700 [thread overview]
Message-ID: <glp51a$3um$1@ger.gmane.org> (raw)
In-Reply-To: <f7ccd24b0901271806x2f92aaady8e97a4aef6002ccc@mail.gmail.com>
Juanma Barranquero wrote:
> On Tue, Jan 27, 2009 at 16:54, Brent Goodrick <bgoodr@gmail.com> wrote:
...
>> Add the following logic to the C `load' function:
>>
>> Before loading either the .el or .elc file, test for the condition
>> where the .el file is newer than the .elc file. If it is, then do
>> the following:
>>
>> See if the `load-hook-stale-byte-compile-handlers' hook variable
>> is set to non-nil. When it is non-nil, run the hook variable with
>> `run-hook-with-args-until-success'. Each function the user has
>> added to that hook variable would do any logic s/he wishes,
>> including in my case to popup a minibuffer prompt asking what to
>> do. When the hook function thus called returns a 'prefer-el-file
>> symbol, `load' then loads the .el file and ignores the .elc
>> file. Likewise, when the hook function returns the
>> 'prefer-elc-file symbol, then load the .elc file but give no
>> warning message and ignore the .el file. When nil is returned from
>> the `run-hook-with-args-until-success' function, just load the
>> .elc file and produce the stale file warning message as is done
>> today (i.e., preserve existing behavior).
>
> That would work, but it is IMHO too much (interface, not code)
> complexity for little gain. In most cases, having a .elc older than
> its corresponding .el is a bug (or, let's call it, a temporary
> situation), so getting a warning to remind the user about fixing it
> seems much more economical.
>
> That said, sometimes I would've liked to have a hook that runs when a
> file is loaded; or the ability to defadvice Fload (you can, except
> that Fload is also called from C code, for example for autoloads).
Yes, before-load-hook and after-load-hook would be generally useful
if load-file-name were set to load's FILE argument when they're run.
--
Kevin Rodgers
Denver, Colorado, USA
next prev parent reply other threads:[~2009-01-28 8:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-26 2:19 bug#2061: 23.0.60; Add preference to force load of Elisp files when they are newer than corresponding byte-compiled file Brent Goodrick
2009-01-26 4:08 ` Eli Zaretskii
2009-01-27 15:08 ` Brent Goodrick
2009-01-26 8:45 ` Juanma Barranquero
2009-01-27 15:54 ` Brent Goodrick
2009-01-28 2:06 ` Juanma Barranquero
2009-01-28 8:29 ` Kevin Rodgers [this message]
2009-02-02 16:07 ` Brent Goodrick
2009-01-26 16:31 ` Richard M Stallman
2009-01-27 15:56 ` Brent Goodrick
-- strict thread matches above, loose matches on Subject: below --
2009-01-27 0:49 Stefan Monnier
2009-02-02 18:56 ` Juanma Barranquero
2009-02-03 9:59 ` Richard M Stallman
2009-02-03 21:07 ` Stefan Monnier
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