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yasnippet.el: Work around Emacs bug#65929 (see also issue#1175)

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(yas--on-protection-overlay-modification): Ignore clearly bogus calls.
(yas-keymap-disable-hook): Improve docstring.
This commit is contained in:
Stefan Monnier 2024-01-17 13:24:15 -05:00
parent 23c7a6fa51
commit 9f253badfb
2 changed files with 8 additions and 4 deletions
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2
yasnippet-tests.el
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@ -1,6 +1,6 @@
;;; yasnippet-tests.el --- some yasnippet tests -*- lexical-binding: t -*-
;; Copyright (C) 2012-2023 Free Software Foundation, Inc.
;; Copyright (C) 2012-2024 Free Software Foundation, Inc.
;; Author: João Távora <joaot@siscog.pt>
;; Keywords: emulations, convenience

10
yasnippet.el
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@ -554,9 +554,12 @@ conditions.
sexp))
(defcustom yas-keymap-disable-hook nil
"The `yas-keymap' bindings are disabled if any function in this list returns non-nil.
"Abnormal hook run to decide when `yas-keymap' bindings are enabled.
The bindings are disabled whenever any function in this list returns non-nil.
This is useful to control whether snippet navigation bindings
override bindings from other packages (e.g., `company-mode')."
override bindings from other packages (e.g., `company-mode').
This is run (several times) every time we perform a key lookup, so
it has to be fast."
:type 'hook)
(defcustom yas-overlay-priority 100
@ -3938,12 +3941,13 @@ Move the overlays, or create them if they do not exit."
;; (overlay-put ov 'evaporate t)
(overlay-put ov 'modification-hooks '(yas--on-protection-overlay-modification)))))))
(defun yas--on-protection-overlay-modification (_overlay after? beg end &optional length)
(defun yas--on-protection-overlay-modification (overlay after? beg end &optional length)
"Commit the snippet if the protection overlay is being killed."
(unless (or yas--inhibit-overlay-hooks
yas-inhibit-overlay-modification-protection
(not after?)
(= length (- end beg)) ; deletion or insertion
(>= beg (overlay-start overlay)) ;Emacs=29.1 bug#65929
(yas--undo-in-progress))
(let ((snippets (yas-active-snippets)))
(yas--message 2 "Committing snippets. Action would destroy a protection overlay.")