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authorClément Pit--Claudel2016-06-10 17:15:29 -0400
committerClément Pit--Claudel2016-06-10 17:37:01 -0400
commit493211dbd924520e6842f3e5d7c8fd1b3cbf1485 (patch)
treec2128f9a2cf99714038a17522bc9ae4aa13a057b /generic/proof-script.el
parentb4ed3cf3ce09c397115e7f75372245724410a187 (diff)
Reset proof-script-buffer to nil if -ready-prover fails
Fixes #65
Diffstat (limited to 'generic/proof-script.el')
-rw-r--r--generic/proof-script.el8
1 files changed, 6 insertions, 2 deletions
diff --git a/generic/proof-script.el b/generic/proof-script.el
index 3a24595e..a9c55353 100644
--- a/generic/proof-script.el
+++ b/generic/proof-script.el
@@ -1240,12 +1240,16 @@ activation is considered to have failed and an error is given."
(assert (null proof-script-buffer)
"Bug in proof-activate-scripting: deactivate failed.")
- ;; Set the active scripting buffer, and initialise regions
+ ;; Set the active scripting buffer
(setq proof-script-buffer (current-buffer))
;; Fire up the prover (or check it's going the right way).
- (proof-shell-ready-prover queuemode)
+ (condition-case-unless-debug err
+ (proof-shell-ready-prover queuemode)
+ (error (setq proof-script-buffer nil)
+ (signal (car err) (cdr err))))
+ ;; Initialise regions
(if (proof-locked-region-empty-p) ; leave alone if non-empty
(proof-init-segmentation))