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authorStefan Monnier <monnier@iro.umontreal.ca>2011-12-02 23:12:11 -0500
committerStefan Monnier <monnier@iro.umontreal.ca>2011-12-02 23:12:11 -0500
commit5c3fe83faf7d7ee5e67a04984cc4cde55138c280 (patch)
tree10663d033f9cc2c7d39cdeef8aaa10d670b0b478 /lisp
parent63e94eb8188788a857c08890a2796fde1ede5ad3 (diff)
downloademacs-5c3fe83faf7d7ee5e67a04984cc4cde55138c280.tar.gz
* lisp/progmodes/prolog.el (prolog-find-value-by-system): Avoid error when
there's no inferior buffer. (prolog-consult-compile): Don't use toggle-read-only. Fixes: debbugs:10196
Diffstat (limited to 'lisp')
-rw-r--r--lisp/ChangeLog6
-rw-r--r--lisp/progmodes/prolog.el7
2 files changed, 10 insertions, 3 deletions
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4ab35890cae..33e20f297a9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,9 @@
+2011-12-03 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * progmodes/prolog.el (prolog-find-value-by-system): Avoid error when
+ there's no inferior buffer (bug#10196).
+ (prolog-consult-compile): Don't use toggle-read-only.
+
2011-12-02 Michael Albinus <michael.albinus@gmx.de>
* net/tramp-sh.el (tramp-maybe-open-connection): Handle user
diff --git a/lisp/progmodes/prolog.el b/lisp/progmodes/prolog.el
index 24ca78ad4ef..5b229cc0c24 100644
--- a/lisp/progmodes/prolog.el
+++ b/lisp/progmodes/prolog.el
@@ -868,8 +868,9 @@ VERSION is of the format (Major . Minor)"
(defun prolog-find-value-by-system (alist)
"Get value from ALIST according to `prolog-system'."
(let ((system (or prolog-system
- (buffer-local-value 'prolog-system
- (prolog-inferior-buffer 'dont-run)))))
+ (let ((infbuf (prolog-inferior-buffer 'dont-run)))
+ (when infbuf
+ (buffer-local-value 'prolog-system infbuf))))))
(if (listp alist)
(let (result
id)
@@ -1522,7 +1523,7 @@ This function must be called from the source code buffer."
;; Emacs-20).
(set (make-local-variable 'compilation-parse-errors-function)
'prolog-parse-sicstus-compilation-errors))
- (toggle-read-only 0)
+ (setq buffer-read-only nil)
(insert command-string "\n"))
(save-selected-window
(pop-to-buffer buffer))