* semantic/fw.el (semantic-exit-on-input)

(semantic-throw-on-input): Restore point before
accept-process-output because timers which redisplay can run.
(Bug#15045)

2 files changed, 21 insertions, 2 deletions

diff --git a/lisp/cedet/ChangeLog b/lisp/cedet/ChangeLog
index 88174e515f4..7e5033c6cfe 100644
--- a/lisp/cedet/ChangeLog
+++ b/lisp/cedet/ChangeLog
@@ -1,3 +1,10 @@
+2013-10-28  Barry O'Reilly  <gundaetiapo@gmail.com>
+
+	* semantic/fw.el (semantic-exit-on-input)
+	(semantic-throw-on-input): Restore point before
+	accept-process-output because timers which redisplay can run.
+	(Bug#15045)
+
 2013-11-03  Johan Bockgård  <bojohan@gnu.org>
 
 	* semantic/lex.el (semantic-lex-start-block)
diff --git a/lisp/cedet/semantic/fw.el b/lisp/cedet/semantic/fw.el
index 825cdc9f0a4..869d183514d 100644
--- a/lisp/cedet/semantic/fw.el
+++ b/lisp/cedet/semantic/fw.el
@@ -369,6 +369,8 @@ later installation should be done in MODE hook."
 ;;
 (defvar semantic-current-input-throw-symbol nil
   "The current throw symbol for `semantic-exit-on-input'.")
+(defvar semantic--on-input-start-marker nil
+  "The marker when starting a semantic-exit-on-input form.")
 
 (defmacro semantic-exit-on-input (symbol &rest forms)
   "Using SYMBOL as an argument to `throw', execute FORMS.
@@ -376,7 +378,8 @@ If FORMS includes a call to `semantic-throw-on-input', then
 if a user presses any key during execution, this form macro
 will exit with the value passed to `semantic-throw-on-input'.
 If FORMS completes, then the return value is the same as `progn'."
-  `(let ((semantic-current-input-throw-symbol ,symbol))
+  `(let ((semantic-current-input-throw-symbol ,symbol)
+         (semantic--on-input-start-marker (point-marker)))
      (catch ,symbol
        ,@forms)))
 (put 'semantic-exit-on-input 'lisp-indent-function 1)
@@ -387,7 +390,16 @@ FROM is an indication of where this function is called from as a value
 to pass to `throw'.  It is recommended to use the name of the function
 calling this one."
   `(when (and semantic-current-input-throw-symbol
-              (or (input-pending-p) (accept-process-output)))
+              (or (input-pending-p)
+                  (save-excursion
+                    ;; Timers might run during accept-process-output.
+                    ;; If they redisplay, point must be where the user
+                    ;; expects. (Bug#15045)
+                    (set-buffer (marker-buffer
+                                 semantic--on-input-start-marker))
+                    (goto-char (marker-position
+                                semantic--on-input-start-marker))
+                    (accept-process-output))))
      (throw semantic-current-input-throw-symbol ,from)))