From: Eric Abrahamsen <eric@ericabrahamsen.net>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: 29220@debbugs.gnu.org,
"Pierre Téchoueyres" <pierre.techoueyres@free.fr>,
"Noam Postavsky" <npostavs@users.sourceforge.net>
Subject: bug#29220: 26.0.90; eieio-persistent-read fail to restore saved object.
Date: Tue, 05 Dec 2017 12:56:34 -0800 [thread overview]
Message-ID: <87bmjcc2rh.fsf@ericabrahamsen.net> (raw)
In-Reply-To: <jwva7yxt2vz.fsf-monnier+emacsbugs@gnu.org> (Stefan Monnier's message of "Tue, 05 Dec 2017 14:02:11 -0500")
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On 12/05/17 14:02 PM, Stefan Monnier wrote:
>> Would it be too "heavy" to just copy the object and modify the copy?
>
> No, that's fine as well.
Okay, the attached appears to work just fine. Pierre's recipe passes,
as do all the tests in eieio-test-persist. Pierre, maybe you could eval
this quickly and make sure that pcache works correctly again?
If this is okay, it's going into emacs-26, right?
Eric
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[-- Attachment #2: persist-tables-vectors.diff --]
[-- Type: text/x-patch, Size: 2052 bytes --]
diff --git a/lisp/emacs-lisp/eieio-base.el b/lisp/emacs-lisp/eieio-base.el
index 58dcd09d7e..0241f27395 100644
--- a/lisp/emacs-lisp/eieio-base.el
+++ b/lisp/emacs-lisp/eieio-base.el
@@ -354,6 +354,26 @@ eieio-persistent-validate/fix-slot-value
proposed-value))
(t
proposed-value))))
+ ;; For hash-tables and vectors, the top-level `read' will not
+ ;; "look inside" member values, so we need to do that
+ ;; explicitly.
+ ((hash-table-p proposed-value)
+ (maphash
+ (lambda (key value)
+ (when (class-p (car-safe value))
+ (setf (gethash key proposed-value)
+ (eieio-persistent-convert-list-to-object
+ value))))
+ proposed-value)
+ proposed-value)
+
+ ((vectorp proposed-value)
+ (dotimes (i (length proposed-value))
+ (when (class-p (car-safe (aref proposed-value i)))
+ (aset proposed-value i
+ (eieio-persistent-convert-list-to-object
+ (aref proposed-value i)))))
+ proposed-value)
((stringp proposed-value)
;; Else, check for strings, remove properties.
diff --git a/lisp/emacs-lisp/eieio.el b/lisp/emacs-lisp/eieio.el
index d0d2ff5145..ab96547f93 100644
--- a/lisp/emacs-lisp/eieio.el
+++ b/lisp/emacs-lisp/eieio.el
@@ -926,6 +926,25 @@ eieio-override-prin1
(object-write thing))
((consp thing)
(eieio-list-prin1 thing))
+ ((hash-table-p thing)
+ (let ((copy (copy-hash-table thing)))
+ (maphash
+ (lambda (key val)
+ (setf (gethash key copy)
+ (read
+ (with-output-to-string
+ (eieio-override-prin1 val)))))
+ copy)
+ (prin1 copy)))
+ ((vectorp thing)
+ (let ((copy (copy-sequence thing)))
+ (dotimes (i (length copy))
+ (aset copy i
+ (read
+ (with-output-to-string
+ (eieio-override-prin1
+ (aref copy i))))))
+ (prin1 copy)))
((eieio--class-p thing)
(princ (eieio--class-print-name thing)))
(t (prin1 thing))))
next prev parent reply other threads:[~2017-12-05 20:56 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-08 22:04 bug#29220: 26.0.90; eieio-persistent-read fail to restore saved object Pierre Téchoueyres
2017-11-08 22:48 ` Eric Abrahamsen
2017-11-10 17:31 ` Pierre Téchoueyres
2017-11-10 18:12 ` Eric Abrahamsen
2017-11-10 18:32 ` Pierre Téchoueyres
2017-11-12 19:10 ` Noam Postavsky
2017-11-14 22:30 ` Pierre Téchoueyres
2017-11-15 2:02 ` Noam Postavsky
2017-11-15 15:29 ` Stefan Monnier
2017-11-17 19:56 ` Pierre Téchoueyres
2017-11-18 3:40 ` Noam Postavsky
2017-11-18 4:39 ` Eric Abrahamsen
2017-11-18 13:24 ` Noam Postavsky
2017-11-18 18:14 ` Eric Abrahamsen
2017-11-19 3:17 ` Noam Postavsky
2017-11-19 5:57 ` Eric Abrahamsen
2017-11-23 23:20 ` Pierre Téchoueyres
2017-11-24 0:09 ` Noam Postavsky
2017-11-28 21:39 ` Pierre Téchoueyres
2017-11-28 21:52 ` Noam Postavsky
2017-11-28 22:18 ` Pierre Téchoueyres
2017-11-29 1:09 ` Noam Postavsky
2017-11-29 15:18 ` Stefan Monnier
2017-11-28 22:10 ` Eric Abrahamsen
2017-11-29 15:15 ` Stefan Monnier
2017-12-01 17:25 ` Eric Abrahamsen
2017-12-01 17:55 ` Stefan Monnier
2017-12-03 0:17 ` Eric Abrahamsen
2017-12-03 18:35 ` Pierre Téchoueyres
2017-12-05 1:27 ` Eric Abrahamsen
2017-12-05 2:08 ` Stefan Monnier
2017-12-05 17:47 ` Eric Abrahamsen
2017-12-05 19:02 ` Stefan Monnier
2017-12-05 20:56 ` Eric Abrahamsen [this message]
2017-12-05 22:14 ` Stefan Monnier
2017-12-05 22:58 ` Eric Abrahamsen
2017-12-08 10:41 ` Eli Zaretskii
2017-12-09 16:59 ` Eric Abrahamsen
2017-12-12 23:21 ` Noam Postavsky
2017-12-15 20:26 ` Pierre Téchoueyres
2017-12-15 22:26 ` Pierre Téchoueyres
2017-12-16 23:42 ` Eric Abrahamsen
2018-02-20 19:50 ` Pierre Téchoueyres
2018-02-24 21:23 ` Eric Abrahamsen
2018-02-24 23:21 ` Pierre Téchoueyres
2018-02-24 23:40 ` Eric Abrahamsen
2018-02-25 0:34 ` Pierre Téchoueyres
2018-02-25 18:59 ` Eric Abrahamsen
2019-05-27 23:36 ` Noam Postavsky
2019-05-28 21:17 ` Eric Abrahamsen
2019-05-30 22:50 ` Noam Postavsky
2017-12-18 19:52 ` Eric Abrahamsen
2017-12-18 21:38 ` Stefan Monnier
2017-12-20 18:29 ` Eric Abrahamsen
2017-12-20 20:54 ` Stefan Monnier
2017-12-21 2:21 ` Eric Abrahamsen
2017-12-24 2:18 ` Eric Ludlam
2017-12-28 18:44 ` Eric Abrahamsen
2017-12-05 22:20 ` Pierre Téchoueyres
2018-01-24 19:17 ` Pierre Téchoueyres
2018-01-25 3:09 ` Eric Abrahamsen
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