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-rw-r--r--.config/emacs/modules/mm-treesit.el30
1 files changed, 30 insertions, 0 deletions
diff --git a/.config/emacs/modules/mm-treesit.el b/.config/emacs/modules/mm-treesit.el
index ed8a299..df3d85a 100644
--- a/.config/emacs/modules/mm-treesit.el
+++ b/.config/emacs/modules/mm-treesit.el
@@ -155,4 +155,34 @@ This alist is used to configure `auto-mode-alist'.")
(setq treesit-font-lock-settings
(append treesit-font-lock-settings mm-c-font-lock-rules))))
+
+;;; Region Expansion
+
+(defun mm-expreg-expand (n)
+ "Expand to N syntactic units."
+ (interactive "p")
+ (dotimes (_ n)
+ (expreg-expand)))
+
+(defun mm-expreg-expand-dwim ()
+ "Do-What-I-Mean `expreg-expand' to start with symbol or word.
+If over a real symbol, mark that directly, else start with a word. Fall
+back to regular `expreg-expand'."
+ (interactive)
+ (if (region-active-p)
+ (expreg-expand)
+ (let ((symbol (bounds-of-thing-at-point 'symbol)))
+ (cond
+ ((equal (bounds-of-thing-at-point 'word) symbol)
+ (mm-expreg-expand 1))
+ (symbol
+ (mm-expreg-expand 2))
+ (:else
+ (expreg-expand))))))
+
+(use-package expreg
+ :ensure t
+ :commands (mm-expreg-expand mm-expreg-expand-dwim)
+ :bind ("M-SPC" . mm-expreg-expand-dwim))
+
(provide 'mm-treesit) \ No newline at end of file