diff options
author | William Carroll <wpcarro@gmail.com> | 2019-10-09T11·13+0100 |
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committer | William Carroll <wpcarro@gmail.com> | 2019-12-24T15·21+0000 |
commit | 6b456c1b7a4f6899f063a6e65355af51901d9c7a (patch) | |
tree | cfc70d74818ae9fabdbbfb0cf16cce092e4c1a09 /configs/shared/.emacs.d/wpc/macros.el | |
parent | a7c72adb2ebec1e497fc040eaf3551d564d61a5b (diff) |
Massive configuration overhaul
Currently paying the price of months of non-diligent git usage. Here's what has changed. - Theming support in Gvcci and wpgtk - Dropping support for i3 - Supporting EXWM - Many Elisp modules - Collapsed redundant directories in ./configs
Diffstat (limited to 'configs/shared/.emacs.d/wpc/macros.el')
-rw-r--r-- | configs/shared/.emacs.d/wpc/macros.el | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/configs/shared/.emacs.d/wpc/macros.el b/configs/shared/.emacs.d/wpc/macros.el new file mode 100644 index 000000000000..a41cb8db9a52 --- /dev/null +++ b/configs/shared/.emacs.d/wpc/macros.el @@ -0,0 +1,95 @@ +;;; macros.el --- Helpful variables for making my ELisp life more enjoyable -*- lexical-binding: t -*- +;; Authpr: William Carroll <wpcarro@gmail.com> + +;;; 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: + +(require 'f) +(require 'string) +(require 'symbol) + +;; TODO: Support `xi' lambda shorthand macro. + +(defmacro 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 disable (mode) + "Helper for disabling `MODE'. +Useful in `add-hook' calls." + `#'(lambda nil (,mode -1))) + +(defmacro add-hooks (modes callback) + "Add multiple `MODES' for the `CALLBACK'. +Usage: (add-hooks '(one-mode-hook 'two-mode-hook) #'fn)" + `(dolist (mode ,modes) + (add-hook mode ,callback))) + +(defmacro add-hook-before-save (mode f) + "Register a hook, `F', for a mode, `MODE' more conveniently. +Usage: (add-hook-before-save 'reason-mode-hook #'refmt-before-save)" + `(add-hook ,mode + (lambda () + (add-hook 'before-save-hook ,f)))) + +;; TODO: Debug. +(defmacro macros/ilambda (&rest body) + "Surrounds `BODY' with an interactive lambda function." + `(lambda () + (interactive) + ,@body)) + +;; TODO: Privatize? +(defun 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) + +;; NOTE: Not prepending the "macros" to this macro, since brevity is its goal. +(defmacro >> (&rest forms) + "Compose a new, point-free function by composing FORMS together." + (let ((sym (gensym))) + `(lambda (,sym) + (->> ,sym ,@forms)))) + +;; TOOD: Support this. +(cl-defmacro macros/test + (&key function + test + args + expect + equality) + (let* ((namespace (namespace)) + (test-name (string/->symbol + (s-concat namespace + "/" + "test" + "/" + (s-chop-prefix + (s-concat namespace "/") + (symbol/to-string function)))))) + `(ert-deftest ,test-name () + ,test + (should (,equality (apply ,function ,args) + ,expect))))) + +(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 |