Add +default-want-RET-continue-comments option

For disabling comment continuation on RET.

modules/config/default/autoload/text.el

@@ -50,21 +50,6 @@ If `buffer-file-name' isn't set, uses `default-directory'."
          (abbreviate-file-name path)
        (file-name-nondirectory path)))))
 
-;;;###autoload
-(defun +default--newline-indent-and-continue-comments-a ()
-  "A replacement for `newline-and-indent'.
-
-Continues comments if executed from a commented line, with special support for
-languages with weak native comment continuation support (like C-family
-languages)."
-  (interactive)
-  (if (and (sp-point-in-comment)
-           comment-line-break-function)
-      (funcall comment-line-break-function nil)
-    (delete-horizontal-space t)
-    (newline nil t)
-    (indent-according-to-mode)))
-
 
 (defun doom--backward-delete-whitespace-to-column ()
   "Delete back to the previous column of whitespace, or as much whitespace as

modules/config/default/config.el

@@ -1,5 +1,8 @@
 ;;; config/default/config.el -*- lexical-binding: t; -*-
 
+(defvar +default-want-RET-continue-comments t
+  "If non-nil, RET will continue commented lines.")
+
 (defvar +default-minibuffer-maps
   (append '(minibuffer-local-map
             minibuffer-local-ns-map
@@ -220,8 +223,28 @@
     ;;  f) do none of this when inside a string
     (advice-add #'delete-backward-char :override #'+default--delete-backward-char-a))
 
-  ;; Makes `newline-and-indent' continue comments (and more reliably)
+  ;; HACK Makes `newline-and-indent' continue comments (and more reliably).
-  (advice-add #'newline-and-indent :override #'+default--newline-indent-and-continue-comments-a))
+  ;;      Consults `doom-point-in-comment-functions' to detect a commented
+  ;;      region and uses that mode's `comment-line-break-function' to continue
+  ;;      comments. If neither exists, it will fall back to the normal behavior
+  ;;      of `newline-and-indent'.
+  ;;
+  ;;      We use an advice here instead of a remapping because many modes define
+  ;;      and remap to their own newline-and-indent commands, and tackling all
+  ;;      those cases was judged to be more work than dealing with the edge
+  ;;      cases on a case by case basis.
+  (defadvice! +default--newline-indent-and-continue-comments-a (&rest _)
+    "A replacement for `newline-and-indent'.
+
+Continues comments if executed from a commented line. Consults
+`doom-point-in-comment-functions' to determine if in a comment."
+    :before-until #'newline-and-indent
+    (interactive "*")
+    (when (and +default-want-RET-continue-comments
+               (doom-point-in-comment-p)
+               (fboundp comment-line-break-function))
+      (funcall comment-line-break-function nil)
+      t)))
 
 
 ;;