c7254e7bdc
+ enable lexical-scope everywhere (lexical-binding = t): ~5-10% faster startup; ~5-20% general boost + reduce consing, function calls & garbage collection by preferring cl-loop & dolist over lambda closures (for mapc[ar], add-hook, and various cl-lib filter/map/reduce functions) -- where possible + prefer functions with dedicated opcodes, like assq (see byte-defop's in bytecomp.el for more) + prefer pcase & cond (faster) over cl-case + general refactor for code readability + ensure naming & style conventions are adhered to + appease byte-compiler by marking unused variables with underscore + defer minor mode activation to after-init, emacs-startup or window-setup hooks; a customization opportunity for users + ensures custom functionality won't interfere with startup.
227 lines
9.0 KiB
EmacsLisp
227 lines
9.0 KiB
EmacsLisp
;;; core/autoload/editor.el -*- lexical-binding: t; -*-
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;;;###autoload
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(defun doom/sudo-find-file (file)
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"Open a file as root."
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(interactive
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(list (read-file-name "Open as root: ")))
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(find-file (if (file-writable-p file)
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file
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(concat "/sudo:root@localhost:" file))))
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;;;###autoload
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(defun doom/sudo-this-file ()
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"Open the current file as root."
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(interactive)
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(doom/sudo-find-file (file-truename buffer-file-name)))
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(defun doom--goto-first-non-blank ()
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(beginning-of-visual-line)
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(skip-chars-forward " \t\r"))
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;;;###autoload
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(defun doom/backward-to-bol-or-indent ()
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"Move back to the current line's indentation. If already there, move to the
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beginning of the line instead. If at bol, do nothing."
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(interactive)
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(let ((boi (save-excursion (back-to-indentation) (point)))
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(point (point)))
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(if (= boi point)
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(beginning-of-visual-line)
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(unless (= (line-beginning-position) point)
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(doom--goto-first-non-blank)))))
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;;;###autoload
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(defun doom/forward-to-last-non-comment-or-eol ()
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"Move forward to the last non-blank character in the line, ignoring comments
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and trailing whitespace. If already there, move to the real end of the line.
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If already there, do nothing."
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(interactive)
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(let* ((point (point))
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(eol (save-excursion (end-of-visual-line) (point)))
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(bol (save-excursion (beginning-of-visual-line) (point)))
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(eoc (or (if (not comment-use-syntax)
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(when (re-search-forward comment-start-skip eol t)
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(or (match-end 1) (match-beginning 0)))
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(save-excursion
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(goto-char eol)
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(while (and (sp-point-in-comment)
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(> (point) point))
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(backward-char))
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(when (> (point) point)
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(skip-chars-backward " " bol)
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(point))))
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eol))
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(goto-char-fn (if (featurep 'evil) #'evil-goto-char #'goto-char)))
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(if (= eoc point)
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(funcall goto-char-fn eol)
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(unless (= eol point)
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(funcall goto-char-fn eoc)))))
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(defun doom--surrounded-p ()
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(and (looking-back "[[{(]\\(\s+\\|\n\\)?\\(\s\\|\t\\)*" (line-beginning-position))
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(let* ((whitespace (match-string 1))
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(match-str (concat whitespace (match-string 2) "[])}]")))
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(looking-at-p match-str))))
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;;;###autoload
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(defun doom/dumb-indent ()
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"Inserts a tab character (or spaces x tab-width)."
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(interactive)
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(if indent-tabs-mode
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(insert "\t")
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(let* ((movement (% (current-column) tab-width))
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(spaces (if (= 0 movement) tab-width (- tab-width movement))))
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(insert (make-string spaces ? )))))
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;;;###autoload
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(defun doom/dumb-dedent ()
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"Dedents the current line."
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(interactive)
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(if indent-tabs-mode
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(call-interactively #'backward-delete-char)
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(save-excursion
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(unless (looking-back "^[\s\t]*" (line-beginning-position))
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(doom--goto-first-non-blank))
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(let* ((movement (% (current-column) tab-width))
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(spaces (if (= 0 movement) tab-width (- tab-width movement))))
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(delete-char (- spaces))))))
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;;;###autoload
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(defun doom/backward-kill-to-bol-and-indent ()
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"Kill line to the first non-blank character. If invoked again
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afterwards, kill line to column 1."
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(interactive)
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(let ((empty-line (save-excursion (beginning-of-line) (looking-at-p "[ \t]*$"))))
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(funcall (if (featurep 'evil) #'evil-delete #'delete-region)
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(point-at-bol) (point))
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(unless empty-line
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(indent-according-to-mode))))
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;;;###autoload
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(defun doom/backward-delete-whitespace-to-column ()
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"Delete back to the previous column of whitespace, or as much whitespace as
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possible, or just one char if that's not possible."
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(interactive)
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(let* ((delete-backward-char (if (derived-mode-p 'org-mode)
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#'org-delete-backward-char
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#'delete-backward-char))
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(context (sp--get-pair-list-context 'navigate))
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(open-pair-re (sp--get-opening-regexp context))
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(close-pair-re (sp--get-closing-regexp context))
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open-len close-len)
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(cond ;; When in strings (sp acts weird with quotes; this is the fix)
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;; Also, skip closing delimiters
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((and (and (sp--looking-back open-pair-re)
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(setq open-len (- (match-beginning 0) (match-end 0))))
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(and (looking-at close-pair-re)
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(setq close-len (- (match-beginning 0) (match-end 0))))
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(string= (plist-get (sp-get-thing t) :op)
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(plist-get (sp-get-thing) :cl)))
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(delete-char (- 0 open-len))
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(delete-char close-len))
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;; Delete up to the nearest tab column IF only whitespace between
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;; point and bol.
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((save-match-data (looking-back "^[\\t ]*" (line-beginning-position)))
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(let ((movement (% (current-column) tab-width))
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(p (point)))
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(when (= movement 0)
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(setq movement tab-width))
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(save-match-data
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(if (string-match "\\w*\\(\\s-+\\)$"
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(buffer-substring-no-properties (max (point-min) (- p movement)) p))
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(sp-delete-char (- 0 (- (match-end 1) (match-beginning 1))))
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(call-interactively delete-backward-char)))))
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;; Otherwise do a regular delete
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(t (call-interactively delete-backward-char)))))
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;;;###autoload
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(defun doom/inflate-space-maybe ()
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"Checks if point is surrounded by {} [] () delimiters and adds a
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space on either side of the point if so."
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(interactive)
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(let ((command (or (command-remapping #'self-insert-command)
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#'self-insert-command)))
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(cond ((doom--surrounded-p)
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(call-interactively command)
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(save-excursion (call-interactively command)))
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(t
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(call-interactively command)))))
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;;;###autoload
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(defun doom/deflate-space-maybe ()
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"Checks if point is surrounded by {} [] () delimiters, and deletes
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spaces on either side of the point if so. Resorts to
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`doom/backward-delete-whitespace-to-column' otherwise."
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(interactive)
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(save-match-data
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(cond ((doom--surrounded-p)
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(let ((whitespace-match (match-string 1)))
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(cond ((not whitespace-match)
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(call-interactively #'delete-backward-char))
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((string-match "\n" whitespace-match)
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(funcall (if (featurep 'evil) #'evil-delete #'delete-region)
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(point-at-bol) (point))
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(call-interactively #'delete-backward-char)
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(save-excursion (call-interactively #'delete-char)))
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(t (just-one-space 0)))))
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(t
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(doom/backward-delete-whitespace-to-column)))))
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;;;###autoload
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(defun doom/newline-and-indent ()
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"Inserts a newline and possibly indents it. Also continues comments if
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executed from a commented line; handling special cases for certain languages
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with weak native support."
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(interactive)
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(cond ((sp-point-in-string)
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(newline))
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((sp-point-in-comment)
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(cond ((memq major-mode '(js2-mode rjsx-mode))
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(call-interactively #'js2-line-break))
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((memq major-mode '(java-mode php-mode))
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(c-indent-new-comment-line))
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((memq major-mode '(c-mode c++-mode objc-mode css-mode scss-mode js2-mode))
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(newline-and-indent)
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(insert "* ")
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(indent-according-to-mode))
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(t
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;; Fix an off-by-one cursor-positioning issue
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;; with `indent-new-comment-line'
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(let ((col (save-excursion (comment-beginning) (current-column))))
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(indent-new-comment-line)
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(unless (= col (current-column))
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(insert " "))))))
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(t
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(newline nil t)
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(indent-according-to-mode))))
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;;;###autoload
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(defun doom/retab (&optional beg end)
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"Changes all tabs to spaces or spaces to tabs, so that indentation is
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consistent throughout a selected region, depending on `indent-tab-mode'."
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(interactive "r")
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(unless (and beg end)
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(setq beg (point-min)
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end (point-max)))
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(if indent-tabs-mode
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(tabify beg end)
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(untabify beg end)))
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;;;###autoload
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(defun doom/toggle-sticky (&optional beg end)
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"Make a selection sticky by placing it in the header line. Possibly helpful
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for function signatures or notes. Run again to clear the header line."
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(interactive "r")
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(setq header-line-format
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(when mark-active
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(concat (propertize (format linum-format (line-number-at-pos beg))
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'face 'font-lock-comment-face)
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(let ((content (buffer-substring beg end)))
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(setq content (replace-regexp-in-string "\n" " " content t t))
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(setq content (replace-regexp-in-string "\\s-+" " " content))
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content)))))
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