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From: David Engster <deng@randomsample.de>
To: Helmut Eller <eller.helmut@gmail.com>
Cc: Stefan Monnier <monnier@IRO.UMontreal.CA>, emacs-devel@gnu.org
Subject: Re: Generalizing find-definition
Date: Thu, 11 Dec 2014 22:53:37 +0100	[thread overview]
Message-ID: <871to5svj2.fsf@engster.org> (raw)
In-Reply-To: <m2fvcmq8qv.fsf@gmail.com> (Helmut Eller's message of "Thu, 11 Dec 2014 20:36:24 +0100")

Helmut Eller writes:
> On Thu, Dec 11 2014, David Engster wrote:
>
>> Helmut Eller writes:
>>>> Too bad that classes can't be autoloaded.
>>
>> They can. CEDET does that all the time.
>
> Ah, that's great!
>
>>>   ;;;###autoload (autoload 'etags-xref-backend "etags")
>>>   (defclass etags-xref-backend (xref-backend-class eieio-singleton) ())
>>
>> Uhm, did you try to simply putting ";;;###autoload" before a class
>> definition? It should work just fine (through
>> `eieio-defclass-autoload').
>
> Yes, I tried but got this error:
>
>   ...
>   Loading loaddefs.el (source)...
>   Attempt to autoload eieio-defclass-autoload while preparing to dump
>   make[1]: *** [emacs] Error 1

EIEIO is not available at startup. You have to explicitly 'require' it
before autoloading of classes can work.

>> However, there *is* a problem with autoloading classes, namely that
>> EIEIO should not be loaded at Emacs startup. This is why this feature is
>> currently restricted to the CEDET subsystem which is only loaded when
>> you activate Semantic or EDE.
>
> So what's the recommended way to do it for a file in lisp/progmodes/ ?

The only way is to separate everything that needs EIEIO into a separate
file with its own autoloads. This usually does not make sense for a
small package, though. So really, the best way is to have one central
autoload for your package (usually a major/minor mode).

-David



  reply	other threads:[~2014-12-11 21:53 UTC|newest]

Thread overview: 172+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-02 14:15 Generalizing find-definition Jorgen Schaefer
2014-11-02 15:34 ` Stefan Monnier
2014-11-02 16:29   ` Jorgen Schaefer
2014-11-02 18:14     ` Helmut Eller
2014-11-02 18:35       ` Jorgen Schaefer
2014-11-02 19:51         ` Helmut Eller
2014-11-02 20:17           ` Jorgen Schaefer
2014-11-03  2:22     ` Stefan Monnier
2014-11-03  7:03       ` Helmut Eller
2014-11-03  7:44       ` Jorgen Schaefer
2014-11-03 14:17         ` Stephen Leake
2014-11-03 14:30         ` Stefan Monnier
2014-11-03 18:28           ` Jorgen Schaefer
2014-11-03 20:09             ` Stefan Monnier
2014-11-03 20:55               ` Jorgen Schaefer
2014-11-03 22:38                 ` Stefan Monnier
2014-11-04 14:52                   ` Stephen Leake
2014-11-04 18:12                     ` Stefan Monnier
2014-11-04 23:13                       ` Stephen Leake
2014-11-05  2:00                         ` Stefan Monnier
2014-11-06 15:33                   ` Dmitry Gutov
2014-11-06 19:40                     ` Stephen Leake
2014-11-07  2:57                       ` Yuri Khan
2014-11-07 20:56                       ` Dmitry Gutov
2014-11-03 22:39                 ` Stefan Monnier
2014-11-04 14:58                   ` Stephen Leake
2014-11-03 23:46                 ` Stephen J. Turnbull
2014-11-04  7:58                   ` Jorgen Schaefer
2014-11-04  2:52                 ` Yuri Khan
2014-11-04  7:41                   ` Jorgen Schaefer
2014-11-06 15:22           ` Dmitry Gutov
2014-11-06 16:51             ` Stefan Monnier
2014-11-06 17:00               ` Helmut Eller
2014-11-06 17:08                 ` Multiple next-error sources Jorgen Schaefer
2014-11-06 23:15                   ` Stefan Monnier
2014-11-07  9:49                     ` Jorgen Schaefer
2014-11-07 14:59                       ` Stefan Monnier
2014-11-07 15:24                         ` Daniel Colascione
2014-11-07 15:55                           ` Stefan Monnier
2014-11-07 16:08                             ` Daniel Colascione
2014-11-07 18:17                               ` Stefan Monnier
2014-11-07 18:22                                 ` Daniel Colascione
2014-11-07 19:06                                   ` Stefan Monnier
2014-11-07 15:41                         ` Jorgen Schaefer
2014-11-07 16:03                           ` Stefan Monnier
2014-11-07 16:55                         ` Alan Mackenzie
2014-11-07 17:10                           ` Daniel Colascione
2014-11-07 17:40                             ` Alan Mackenzie
2014-11-08  8:55                               ` Dmitry Gutov
2014-11-07 18:08                           ` Stefan Monnier
2014-11-07 18:21                             ` Alan Mackenzie
2014-11-07 18:48                               ` Stefan Monnier
2014-11-07 19:51                                 ` Alan Mackenzie
2014-11-03 14:46       ` Generalizing find-definition Stephen Leake
2014-11-03 16:42         ` Stefan Monnier
2014-11-04 15:39           ` Stephen Leake
2014-11-04 18:14             ` Stefan Monnier
2014-11-17 20:10   ` Jorgen Schaefer
2014-11-18  8:07     ` Stephen Leake
2014-11-18 11:24       ` Helmut Eller
2014-11-18 12:48         ` Dmitry Gutov
2014-11-18 12:03       ` Helmut Eller
2014-11-19 14:27       ` Stefan Monnier
2014-11-19 14:51         ` Ivan Shmakov
2014-11-19 22:31           ` Stefan Monnier
2014-11-20  0:15         ` Stephen Leake
2014-11-20  4:18           ` Stefan Monnier
2014-11-18 16:31     ` Stefan Monnier
2014-11-20  0:21       ` Stephen Leake
2014-11-20  4:19         ` Stefan Monnier
2014-11-20 20:21           ` Jorgen Schaefer
2014-11-20 13:44     ` Helmut Eller
2014-11-20 20:28       ` Jorgen Schaefer
2014-11-20 20:42         ` Helmut Eller
2014-11-20 23:27         ` Stefan Monnier
2014-11-20 23:42           ` Jorgen Schaefer
2014-11-21  3:05             ` Stefan Monnier
2014-11-21  8:24             ` martin rudalics
2014-11-30 13:29               ` Stefan Monnier
2014-11-23 13:44       ` Johan Claesson
2014-12-01 17:31         ` Helmut Eller
2014-12-04  3:13           ` Stephen Leake
2014-12-04  8:07             ` Stephen Leake
2014-12-04 12:45               ` Helmut Eller
2014-12-04  9:11             ` Helmut Eller
2014-12-04 16:19               ` Stephen Leake
2014-12-04 16:49                 ` Helmut Eller
2014-12-05  9:43                   ` Stephen Leake
2014-12-05 13:25                     ` Helmut Eller
2014-12-05 17:41                       ` Stephen Leake
2014-12-06  8:55                         ` Helmut Eller
2014-12-06 18:19                           ` Stephen Leake
2014-12-06 18:38                           ` Drew Adams
2014-12-07 16:52                             ` Stephen Leake
2014-12-06 22:57                           ` Stefan Monnier
2014-12-07  9:55                             ` Helmut Eller
2014-12-08 14:33                               ` Stefan Monnier
2014-12-08 19:58                                 ` Helmut Eller
2014-12-08 21:38                                   ` Stefan Monnier
2014-12-08 21:58                                     ` Jorgen Schaefer
2014-12-09  2:33                                       ` Stefan Monnier
2014-12-09  2:34                                     ` Stefan Monnier
2014-12-09  8:40                                       ` Helmut Eller
2014-12-09 14:03                                         ` Dmitry Gutov
2014-12-09 14:47                                           ` Helmut Eller
2014-12-11  4:06                                             ` Dmitry Gutov
2014-12-11  8:09                                               ` Helmut Eller
2014-12-11 11:12                                                 ` Helmut Eller
2014-12-11 18:36                                                   ` Helmut Eller
2014-12-11 19:21                                                     ` David Engster
2014-12-11 19:36                                                       ` Helmut Eller
2014-12-11 21:53                                                         ` David Engster [this message]
2014-12-11 22:04                                                           ` David Engster
2014-12-12  7:26                                                             ` Helmut Eller
2014-12-11 22:52                                                 ` Dmitry Gutov
2014-12-11 23:55                                                   ` Stefan Monnier
2014-12-11 23:59                                                     ` Dmitry Gutov
2014-12-11 15:07                                               ` Stefan Monnier
2014-12-11 18:43                                                 ` Helmut Eller
2014-12-11 20:11                                                   ` Stefan Monnier
2014-12-11 20:31                                                     ` Helmut Eller
2014-12-11 21:33                                                       ` Stefan Monnier
2014-12-15 17:21                                                       ` Dmitry Gutov
2014-12-15 21:13                                                         ` Stefan Monnier
2014-12-15 21:24                                                           ` Dmitry Gutov
2014-12-15 21:57                                                         ` Helmut Eller
2014-12-15 22:06                                                           ` Dmitry Gutov
2014-12-15 22:17                                                             ` Helmut Eller
2014-12-15 22:26                                                               ` Dmitry Gutov
2014-12-15 22:41                                                                 ` Helmut Eller
2014-12-15 22:54                                                                   ` Dmitry Gutov
2014-12-15 23:03                                                                     ` Helmut Eller
     [not found]                                                                       ` <54901FEB.1090704@yandex.ru>
     [not found]                                                                         ` <m2k31ric89.fsf@gmail.com>
     [not found]                                                                           ` <5490962D.7010105@yandex.ru>
     [not found]                                                                             ` <m2y4q75ntx.fsf@gmail.com>
2014-12-16 21:40                                                                               ` Dmitry Gutov
2014-12-17  7:25                                                                                 ` Helmut Eller
2014-12-19  8:00                                                                                   ` Dmitry Gutov
2014-12-19  8:49                                                                                     ` Helmut Eller
2014-12-19 14:34                                                                                       ` Dmitry Gutov
2014-12-19  8:56                                                                                     ` Helmut Eller
2014-12-19 13:36                                                                                       ` Dmitry Gutov
2014-12-25 20:25                                                                                     ` Dmitry Gutov
2014-12-26  3:50                                                                                       ` Stefan Monnier
2014-12-28 22:21                                                                                         ` Dmitry Gutov
2014-12-29  0:24                                                                                           ` Stefan Monnier
2014-12-29  0:38                                                                                             ` Dmitry Gutov
2014-12-29  1:54                                                                                             ` Dmitry Gutov
2014-12-29 14:20                                                                                               ` Stefan Monnier
2014-12-29 16:17                                                                                                 ` Eli Zaretskii
2014-12-29 17:27                                                                                                   ` Dmitry Gutov
2014-12-29 17:37                                                                                                     ` Eli Zaretskii
2014-12-29 18:56                                                                                                   ` Stefan Monnier
2014-12-27 19:01                                                                                       ` Stephen Leake
2014-12-27 21:22                                                                                         ` Stephen Leake
2014-12-12  1:29                                                 ` Stephen Leake
2014-12-12  3:05                                                   ` Stefan Monnier
2014-12-12 11:15                                                     ` Stephen Leake
2014-12-12 13:58                                                       ` Stefan Monnier
2014-12-13  9:56                                                     ` Dmitry Gutov
2014-12-12  5:05                                                 ` Dmitry Gutov
2014-12-10  9:11                                           ` Stephen Leake
2014-12-10 13:02                                             ` Dmitry Gutov
2014-12-10 17:00                                               ` Stephen Leake
2014-12-10 19:06                                                 ` Stefan Monnier
2014-12-12  1:03                                                   ` Stephen Leake
2014-12-10 14:10                                           ` Stefan Monnier
2014-12-11  4:08                                             ` Dmitry Gutov
2014-12-08 22:36                                 ` Stephen Leake
2014-11-02 22:26 ` Stephen Leake
2014-11-03  7:31   ` Jorgen Schaefer
2014-11-03  8:13     ` Helmut Eller
2014-11-03 13:49       ` Stephen Leake
2014-11-03 17:58       ` Jorgen Schaefer
2014-11-04 15:54         ` Stephen Leake

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