Propertize backtick in 'def `(abc)' as symbol constituent

* lisp/progmodes/ruby-mode.el (ruby-syntax-propertize):
Propertize backtick in 'def `(abc)' as symbol constituent.
(ruby-syntax-propertize-function):
Rename to ruby-syntax-propertize.

1 files changed, 7 insertions, 2 deletions

diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index 8f08b7c9e60..969f2ed4bc4 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -1830,7 +1830,7 @@ It will be properly highlighted even when the call omits parens.")
      "\\)\\s *")
     "Regexp to match text that can be followed by a regular expression."))
 
-(defun ruby-syntax-propertize-function (start end)
+(defun ruby-syntax-propertize (start end)
   "Syntactic keywords for Ruby mode.  See `syntax-propertize-function'."
   (let (case-fold-search)
     (goto-char start)
@@ -1856,6 +1856,8 @@ It will be properly highlighted even when the call omits parens.")
                           (zerop (skip-syntax-backward "w_")))
                         (memq (preceding-char) '(?@ ?$))))
             (string-to-syntax "_"))))
+      ;; Backtick method redefinition.
+      ("^[ \t]*def +\\(`\\)" (1 "_"))
       ;; Regular expressions.  Start with matching unescaped slash.
       ("\\(?:\\=\\|[^\\]\\)\\(?:\\\\\\\\\\)*\\(/\\)"
        (1 (let ((state (save-excursion (syntax-ppss (match-beginning 1)))))
@@ -1891,6 +1893,9 @@ It will be properly highlighted even when the call omits parens.")
        (1 (prog1 "|" (ruby-syntax-propertize-percent-literal end)))))
      (point) end)))
 
+(define-obsolete-function-alias
+  'ruby-syntax-propertize-function 'ruby-syntax-properize "25.1")
+
 (defun ruby-syntax-propertize-heredoc (limit)
   (let ((ppss (syntax-ppss))
         (res '()))
@@ -2252,7 +2257,7 @@ See `font-lock-syntax-table'.")
   (setq-local font-lock-keywords ruby-font-lock-keywords)
   (setq-local font-lock-syntax-table ruby-font-lock-syntax-table)
 
-  (setq-local syntax-propertize-function #'ruby-syntax-propertize-function))
+  (setq-local syntax-propertize-function #'ruby-syntax-propertize))
 
 ;;; Invoke ruby-mode when appropriate