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authorkobarity <kobarity@gmail.com>2022-08-15 16:30:23 +0200
committerLars Ingebrigtsen <larsi@gnus.org>2022-08-15 16:30:23 +0200
commit0d3aebec0141ab57362477c50065222a03d57c08 (patch)
tree4d55d885963c668ccb58fa4084ba326e22721574
parent5025b2566e72ba37b62c2a00feef46268fc9f468 (diff)
downloademacs-0d3aebec0141ab57362477c50065222a03d57c08.tar.gz
Fix `python-nav-forward-block' moving backward under certain conditions
* lisp/progmodes/python.el (python-nav-forward-block): Add check for not moving backward (bug#57223).
-rw-r--r--lisp/progmodes/python.el6
-rw-r--r--test/lisp/progmodes/python-tests.el16
2 files changed, 20 insertions, 2 deletions
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 96f9d14832d..44df3186b27 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -1822,7 +1822,8 @@ backward to previous block."
(or arg (setq arg 1))
(let ((block-start-regexp
(python-rx line-start (* whitespace) block-start))
- (starting-pos (point)))
+ (starting-pos (point))
+ (orig-arg arg))
(while (> arg 0)
(python-nav-end-of-statement)
(while (and
@@ -1836,7 +1837,8 @@ backward to previous block."
(python-syntax-context-type)))
(setq arg (1+ arg)))
(python-nav-beginning-of-statement)
- (if (not (looking-at (python-rx block-start)))
+ (if (or (and (> orig-arg 0) (< (point) starting-pos))
+ (not (looking-at (python-rx block-start))))
(and (goto-char starting-pos) nil)
(and (not (= (point) starting-pos)) (point-marker)))))
diff --git a/test/lisp/progmodes/python-tests.el b/test/lisp/progmodes/python-tests.el
index d303050fad9..9e8fa7f5520 100644
--- a/test/lisp/progmodes/python-tests.el
+++ b/test/lisp/progmodes/python-tests.el
@@ -2942,6 +2942,22 @@ if request.user.is_authenticated():
(python-tests-look-at
"if request.user.is_authenticated():" -1)))))
+(ert-deftest python-nav-forward-block-2 ()
+ (python-tests-with-temp-buffer
+ "
+if True:
+ pass
+"
+ (python-tests-look-at "if True:")
+ (should (not (save-excursion (python-nav-forward-block))))
+ (should (not (save-excursion (python-nav-forward-block -1))))
+ (forward-char)
+ (should (not (save-excursion (python-nav-forward-block))))
+ (should (= (save-excursion (python-nav-forward-block -1))
+ (progn
+ (end-of-line)
+ (python-tests-look-at "if True:" -1))))))
+
(ert-deftest python-nav-forward-sexp-1 ()
(python-tests-with-temp-buffer
"