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bug#46003: prolog-mode: inferior prolog process not available when prolo
From: |
Lars Ingebrigtsen |
Subject: |
bug#46003: prolog-mode: inferior prolog process not available when prolog-inferior-mode-hook is run |
Date: |
Tue, 07 Jun 2022 16:37:56 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
k3tu0isui@gmail.com writes:
> I assume this was required because (prolog-inferior-mode) sets up the
> variables required for (prolog-program-name) and (prolog-program-switches).
Those are computed before we enter prolog-inferior-mode, though... Oh,
because you've fixed that in an earlier applied patch.
> If the relevant variables are inherited from the buffer from which
> run-prolog is called then, this bug fix[1] will remove this dependency
> and prolog-inferior-mode can be activated after the process is
> created.
>
> [1]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=45795
OK, then I'm applying this patch to Emacs 29, which should fix this bug
report:
diff --git a/lisp/progmodes/prolog.el b/lisp/progmodes/prolog.el
index 8382c4bd09..9598209f5e 100644
--- a/lisp/progmodes/prolog.el
+++ b/lisp/progmodes/prolog.el
@@ -1355,8 +1355,6 @@ prolog-ensure-process
(error "This Prolog system has defined no interpreter"))
(unless (comint-check-proc "*prolog*")
(with-current-buffer (get-buffer-create "*prolog*")
- (prolog-inferior-mode)
-
;; The "INFERIOR=yes" hack is for SWI-Prolog 7.2.3 and earlier,
;; which assumes it is running under Emacs if either INFERIOR=yes or
;; if EMACS is set to a nonempty value. The EMACS setting is
@@ -1369,6 +1367,7 @@ prolog-ensure-process
(cons "INFERIOR=yes" process-environment))))
(apply 'make-comint-in-buffer "prolog" (current-buffer)
pname nil pswitches))
+ (prolog-inferior-mode)
(unless prolog-system
;; Setup auto-detection.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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