emacs-29 cfb180329b 2/2: ruby-ts-mode: Don't reindent when "class" or "def" is under "ERROR"

[Dmitry Gutov]

branch: emacs-29
commit cfb180329b567d907c11fc9f2bd24728729ec689
Author: Dmitry Gutov <dgutov@yandex.ru>
Commit: Dmitry Gutov <dgutov@yandex.ru>

    ruby-ts-mode: Don't reindent when "class" or "def" is under "ERROR"
    
    * lisp/progmodes/ruby-ts-mode.el (ruby-ts--indent-rules):
    Don't reindent when "class" or "def" is under "ERROR" (bug#61017).
---
 lisp/progmodes/ruby-ts-mode.el | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lisp/progmodes/ruby-ts-mode.el b/lisp/progmodes/ruby-ts-mode.el
index eff846f858..6021597817 100644
--- a/lisp/progmodes/ruby-ts-mode.el
+++ b/lisp/progmodes/ruby-ts-mode.el
@@ -566,6 +566,12 @@ a statement container is a node that matches
            ((n-p-gp nil nil "regex") no-indent 0)
            ((parent-is "regex") no-indent 0)
 
+           ;; Incomplete buffer state, better not reindent (bug#61017).
+           ((and (parent-is "ERROR")
+                 (or (node-is ,ruby-ts--class-or-module-regex)
+                     (node-is "\\`def\\'")))
+            no-indent 0)
+
            ;; if then else elseif notes:
            ;;
            ;;   1. The "then" starts at the end of the line that ends