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Emacs major mode for Elixir
Emacs Lisp Ruby Python

README.md

License GPL 3 Build Status MELPA Stable MELPA

Elixir Mode

Provides font-locking, indentation and navigation support for the Elixir programming language.

Installation

Via package.el

package.el is the built-in package manager in Emacs.

elixir-mode is available on the two major community maintained repositories - MELPA STABLE and MELPA.

You can install elixir-mode with the following command:

M-x package-install [RET] elixir-mode [RET]

or by adding this bit of Emacs Lisp code to your Emacs initialization file (.emacs or init.el):

(unless (package-installed-p 'elixir-mode)
  (package-install 'elixir-mode))

If the installation doesn't work try refreshing the package list:

M-x package-refresh-contents [RET]

Keep in mind that MELPA packages are built automatically from the master branch, meaning bugs might creep in there from time to time. Never-the-less, installing from MELPA is the recommended way of obtaining Elixir-Mode, as the master branch is normally quite stable and "stable" (tagged) builds are released somewhat infrequently.

With the most recent builds of Emacs, you can pin Elixir-Mode to always use MELPA Stable by adding this to your Emacs initialization:

(add-to-list 'package-pinned-packages '(elixir-mode . "melpa-stable") t)

Via el-get

el-get is another popular package manager for Emacs. If you're an el-get user just do M-x el-get-install [RET] elixir-mode [RET].

Manual

You can install Elixir-Mode manually by placing Elixir-Mode on your load-path and require ing it. Many people favour the folder ~/.emacs.d/vendor.

(add-to-list 'load-path "~/.emacs.d/vendor")
(require 'elixir-mode)

Usage

Interactive Commands

Command (For the M-x prompt.) Description
elixir-mode Switches to elixir-mode.
elixir-mode-opengithub Open the GitHub page for Elixir.
elixir-mode-open-elixir-home Go to Elixir README in the browser.
elixir-mode-open-docs-master Open the Elixir documentation for the master.
elixir-mode-open-docs-stable Open the Elixir documentation for the latest stable release.
elixir-mode-show-version Print version info for elixir-mode.

Configuration

Any file that matches the glob *.ex[s] or *.elixir is automatically opened in elixir-mode, but you can change this functionality easily.

;; Highlights *.elixir2 as well
(add-to-list 'auto-mode-alist '("\\.elixir2\\'" . elixir-mode))

Keymapping

Keymaps can be added to the elixir-mode-map variable.

Notes

If you want to use ruby-end-mode for a more comfortable editing experience, you can add the following to your elixir-mode-hook:

(add-to-list 'elixir-mode-hook
             (defun auto-activate-ruby-end-mode-for-elixir-mode ()
               (set (make-variable-buffer-local 'ruby-end-expand-keywords-before-re)
                    "\\(?:^\\|\\s-+\\)\\(?:do\\)")
               (set (make-variable-buffer-local 'ruby-end-check-statement-modifiers) nil)
               (ruby-end-mode +1)))

Also, if you use smartparens you can piggyback on some of its functionality for dealing with Ruby's do .. end blocks. A sample configuration would be:

(sp-with-modes '(elixir-mode)
  (sp-local-pair "fn" "end"
         :when '(("SPC" "RET"))
         :actions '(insert navigate))
  (sp-local-pair "do" "end"
         :when '(("SPC" "RET"))
         :post-handlers '(sp-ruby-def-post-handler)
         :actions '(insert navigate)))

Elixir Tooling Integration

If you looking for elixir tooling integration for Emacs, check: alchemist.el

You can use web-mode.el to edit elixir templates (eex files).

History

This mode is based on the Emacs mode by secondplanet.

Contributing

Please read CONTRIBUTING.md for guidelines on how to contribute to this project.

License

Copyright © 2011-2015 Samuel Tonini, Matt DeBoard, Andreas Fuchs, secondplanet and contributors.

Distributed under the GNU General Public License, version 3

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