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;;; macros.el --- Helpful variables for making my ELisp life more enjoyable -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>
;; Version: 0.0.1
;; Package-Requires: ((emacs "24"))
;;; Commentary:
;; This file contains helpful variables that I use in my ELisp development.
;; TODO: Consider a macro solution for mimmicking OCaml's auto resolution of
;; dependencies using `load-path' and friends.
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Dependencies
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(require 'f)
(require 'string)
(require 'symbol)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; Library
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defmacro macros-enable (mode)
"Helper for enabling `MODE'.
Useful in `add-hook' calls. Some modes, like `linum-mode' need to be called as
`(linum-mode 1)', so `(add-hook mode #'linum-mode)' won't work."
`#'(lambda nil (,mode 1)))
(defmacro macros-disable (mode)
"Helper for disabling `MODE'.
Useful in `add-hook' calls."
`#'(lambda nil (,mode -1)))
(defmacro macros-add-hook-before-save (mode f)
"Register a hook, `F', for a mode, `MODE' more conveniently.
Usage: (macros-add-hook-before-save 'reason-mode-hook #'refmt-before-save)"
`(add-hook ,mode
(lambda ()
(add-hook 'before-save-hook ,f))))
;; TODO: Privatize?
(defun macros--namespace ()
"Return the namespace for a function based on the filename."
(->> (buffer-file-name)
f-filename
f-base))
(defmacro macros-comment (&rest _)
"Empty comment s-expresion where `BODY' is ignored."
`nil)
(defmacro macros-support-file-extension (ext mode)
"Register MODE to automatically load with files ending with EXT extension.
Usage: (macros-support-file-extension \"pb\" protobuf-mode)"
(let ((extension (string-format "\\.%s\\'" ext)))
`(add-to-list 'auto-mode-alist '(,extension . ,mode))))
(provide 'macros)
;;; macros.el ends here
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