238 lines
9.9 KiB
EmacsLisp
238 lines
9.9 KiB
EmacsLisp
(eval-when-compile (require 'cl-lib))
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;; Backwards compatible `with-eval-after-load'
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(unless (fboundp 'with-eval-after-load)
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(defmacro with-eval-after-load (file &rest body)
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`(eval-after-load ,file (lambda () ,@body))))
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(defmacro λ! (&rest body)
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"A shortcut for: `(lambda () (interactive) ,@body)"
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`(lambda () (interactive) ,@body))
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(defmacro shut-up! (&rest body)
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"Silence message output from code."
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(declare (indent defun))
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`(let (message-log-max) ,@body (message "")))
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(defmacro after! (feature &rest forms)
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"A smart wrapper around `with-eval-after-load', that supresses warnings
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during compilation."
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(declare (indent defun) (debug t))
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`(,(if (or (not (boundp 'byte-compile-current-file))
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(not byte-compile-current-file)
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(if (symbolp feature)
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(require feature nil :no-error)
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(load feature :no-message :no-error)))
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'progn
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(message "after: cannot find %s" feature)
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'with-no-warnings)
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(with-eval-after-load ',feature ,@forms)))
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(defmacro in! (dir &rest forms)
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(declare (indent defun))
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`(let ((default-directory ,dir))
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,@forms))
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(defmacro add-hook! (hook &rest func-or-forms)
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"A convenience macro for `add-hook'.
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HOOK can be one hook or a list of hooks. If the hook(s) are not quoted, -hook is
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appended to them automatically. If they are quoted, they are used verbatim.
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FUNC-OR-FORMS can be one quoted symbol, a list of quoted symbols, or a series of
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forms. Forms will be wrapped in one lambda. A list of symbols will expand into a
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series of add-hook calls.
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Examples:
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(add-hook! 'some-mode-hook 'enable-something)
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=> (add-hook 'some-mode-hook 'enable-something)
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(add-hook! some-mode '(enable-something and-another))
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=> (add-hook 'some-mode-hook 'enable-something)
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(add-hook 'some-mode-hook 'and-another)
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(add-hook! '(one-mode-hook second-mode-hook) 'enable-something)
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=> (add-hook 'one-mode-hook 'enable-something)
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(add-hook 'second-mode-hook 'enable-something)
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(add-hook! (one-mode second-mode) 'enable-something)
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=> (add-hook 'one-mode-hook 'enable-something)
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(add-hook 'second-mode-hook 'enable-something)
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(add-hook! (one-mode second-mode) (setq v 5) (setq a 2))
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=> (add-hook 'one-mode-hook (lambda () (setq v 5) (setq a 2)))
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(add-hook 'second-mode-hook (lambda () (setq v 5) (setq a 2)))"
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(declare (indent defun) (debug t))
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(unless func-or-forms
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(error "add-hook!: FUNC-OR-FORMS is empty"))
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(let* ((val (car func-or-forms))
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(quoted (eq (car-safe hook) 'quote))
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(hook (if quoted (cadr hook) hook))
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(funcs (if (eq (car-safe val) 'quote)
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(if (cdr-safe (cadr val))
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(cadr val)
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(list (cadr val)))
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(list func-or-forms)))
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(forms '()))
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(mapc
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(lambda (f) (let ((func (cond ((symbolp f) `(quote ,f))
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(t `(lambda () ,@func-or-forms)))))
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(mapc
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(lambda (h) (push `(add-hook ',(if quoted h (intern (format "%s-hook" h))) ,func) forms))
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(if (listp hook) hook (list hook))))) funcs)
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`(progn ,@forms)))
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(cl-defmacro associate! (mode &key in
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&key match
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&key files
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&allow-other-keys)
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"Associate a major or minor mode to certain patterns and project files."
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(declare (indent 1))
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(let* ((minor-p (assoc mode minor-mode-alist)))
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`(progn
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(,@(cond ((or files in)
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(when (and files (not (or (listp files)
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(stringp files))))
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(user-error "associate! :files expects a string or list of strings"))
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(let ((hook-name (intern (format "narf--init-mode-%s" mode))))
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`(progn
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(defun ,hook-name ()
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(when (and (if ,match (string-match-p ,match (buffer-file-name)) t)
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(or ,(not files)
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(and (boundp ',mode)
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(not ,mode)
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(narf/project-has-files ,@(-list files)))))
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(,mode 1)))
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,@(if (and in (listp in))
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(mapcar (lambda (h) `(add-hook ',h ',hook-name))
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(mapcar (lambda (m) (intern (format "%s-hook" m))) in))
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`((add-hook 'find-file-hook ',hook-name))))))
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(match
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`(add-to-list ',(if minor-p 'narf-auto-minor-mode-alist 'auto-mode-alist)
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(cons ,match ',mode)))
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(t (user-error "associate! invalid rules for mode [%s] (in %s) (match %s) (files %s)"
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mode in match files)))))))
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(after! evil
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;; Register keywords for proper indentation (see `map!')
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(put ':prefix 'lisp-indent-function 'defun)
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(put ':map 'lisp-indent-function 'defun)
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(put ':after 'lisp-indent-function 'defun)
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(put ':when 'lisp-indent-function 'defun)
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(put ':unless 'lisp-indent-function 'defun)
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(put ':leader 'lisp-indent-function 'defun)
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(put ':localleader 'lisp-indent-function 'defun)
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(defmacro map! (&rest rest)
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(let ((i 0)
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(forms '())
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(keymaps (if (boundp 'keymaps) keymaps))
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(default-keymaps '((current-global-map)))
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(state-map '(("n" . normal)
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("v" . visual)
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("i" . insert)
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("e" . emacs)
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("o" . operator)
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("m" . motion)
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("r" . replace)))
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(prefix (if (boundp 'prefix) prefix))
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key def states)
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(unless keymaps
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(setq keymaps default-keymaps))
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(while rest
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(setq key (pop rest))
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(add-to-list
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'forms
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(cond ((listp key) ; it's a sub exp
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`(,(macroexpand `(map! ,@key))))
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((keywordp key)
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(when (memq key '(:leader :localleader))
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(push (pcase key
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(:leader narf-leader-prefix)
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(:localleader narf-localleader-prefix))
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rest)
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(setq key :prefix))
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(pcase key
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;; TODO: Data checks
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(:prefix (setq prefix (concat prefix (kbd (pop rest)))) nil)
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(:map (setq keymaps (-list (pop rest))) nil)
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(:unset `(,(macroexpand `(map! ,(kbd (pop rest)) nil))))
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(:after (prog1 `((after! ,(pop rest) ,(macroexpand `(map! ,@rest)))) (setq rest '())))
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(:when (prog1 `((if ,(pop rest) ,(macroexpand `(map! ,@rest)))) (setq rest '())))
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(:unless (prog1 `((if (not ,(pop rest)) ,(macroexpand `(map! ,@rest)))) (setq rest '())))
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(otherwise ; might be a state prefix
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(mapc (lambda (letter)
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(if (assoc letter state-map)
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(add-to-list 'states (cdr (assoc letter state-map)))
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(user-error "Invalid mode prefix %s in key %s" letter key)))
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(split-string (substring (symbol-name key) 1) "" t))
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(unless states
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(user-error "Unrecognized keyword %s" key)) nil)))
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;; It's a key-def pair
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((or (stringp key)
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(characterp key)
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(vectorp key))
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(when (stringp key)
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(setq key (kbd key)))
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(when prefix
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(setq key (cond ((vectorp key) (vconcat prefix key))
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(t (concat prefix key)))))
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(unless (> (length rest) 0)
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(user-error "Map has no definition for %s" key))
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(setq def (pop rest))
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(let (out-forms)
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(dolist (keymap keymaps)
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(if (not states)
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(add-to-list 'out-forms `(evil-define-key nil ,keymap ,key ,def) t)
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(dolist (state states)
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(add-to-list 'out-forms `(evil-define-key ',state ,keymap ,key ,def) t))))
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(setq states '())
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out-forms))
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(t (user-error "Invalid key %s" key)))
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t)
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(cl-incf i))
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`(progn ,@(apply #'nconc (delete nil (delete (list nil) forms)))))))
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;; Hooks ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defun narf|enable-comment-hard-wrap ()
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(set (make-local-variable 'comment-auto-fill-only-comments) t)
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(turn-on-auto-fill))
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(defun narf|enable-hard-wrap ()
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(turn-on-auto-fill))
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(defun narf|update-scratch-buffer-cwd () ; see core-editor.el
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"Make sure scratch buffer is always 'in a project.'"
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(let ((dir (narf/project-root)))
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(with-current-buffer (get-buffer-create "*scratch*")
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(cd dir))))
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;;;; Global Defuns ;;;;;;;;;;;;;;;;;;;;;
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(defun narf-minibuffer-quit ()
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"Abort recursive edit. In Delete Selection mode, if the mark is
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active, just deactivate it; then it takes a second \\[keyboard-quit]
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to abort the minibuffer."
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(interactive)
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(let (message-log-max)
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(if (and delete-selection-mode transient-mark-mode mark-active)
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(setq deactivate-mark t)
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(abort-recursive-edit))))
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(defun narf-reload ()
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"Reload `load-path', in case you updated cask while emacs was open!"
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(interactive)
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(setq load-path (append (list narf-private-dir narf-core-dir narf-modules-dir narf-packages-dir)
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(f-directories narf-core-dir nil t)
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(f-directories narf-modules-dir nil t)
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(f-directories narf-packages-dir)
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(f-directories (expand-file-name "../bootstrap" narf-packages-dir))
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narf--load-path)))
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(provide 'core-defuns)
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;;; core-defuns.el ends here
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