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;;; elm-mode.el --- Major mode for Elm
;; Copyright (C) 2013, 2014 Joseph Collard
;; Copyright (C) 2015, 2016 Bogdan Popa
;; Author: Joseph Collard
;; Package-Requires: ((f "0.17") (let-alist "1.0.4") (s "1.7.0") (emacs "24"))
;; URL: https://github.com/jcollard/elm-mode
;; This file is not part of GNU Emacs.
;; This file is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; This file is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;; Code:
(require 'elm-tags)
(require 'elm-format)
(require 'elm-imenu)
(require 'elm-indent)
(require 'elm-interactive)
(require 'elm-font-lock)
(defgroup elm nil
"Support for the elm programming language."
:link '(url-link :tag "Github" "https://github.com/jcollard/elm-mode")
:group 'languages)
(defun elm-mode-after-save-handler ()
"Perform various operations upon saving a buffer."
(when elm-sort-imports-on-save
(elm-sort-imports))
(when elm-tags-on-save
(elm-mode-generate-tags))
(when elm-format-on-save
(elm-mode-format-buffer))
(when (or elm-sort-imports-on-save
elm-tags-on-save
elm-format-on-save)
(let ((before-save-hook '())
(after-save-hook '()))
(basic-save-buffer))))
(defvar elm-mode-map
(let ((map (make-keymap)))
(define-key map "\C-c\C-f" 'elm-mode-format-buffer)
(define-key map "\C-c\M-t" 'elm-mode-generate-tags)
(define-key map "\C-c." 'elm-mode-goto-tag-at-point)
(define-key map "\C-c," 'pop-tag-mark)
(define-key map "\C-c\C-l" 'elm-repl-load)
(define-key map "\C-c\C-p" 'elm-repl-push)
(define-key map "\C-c\C-e" 'elm-repl-push-decl)
(define-key map "\C-c\C-a" 'elm-compile-add-annotations)
(define-key map "\C-c\C-r" 'elm-compile-clean-imports)
(define-key map "\C-c\C-c" 'elm-compile-buffer)
(define-key map "\C-c\M-c" 'elm-compile-main)
(define-key map "\C-c\M-k" 'elm-package-catalog)
(define-key map "\C-c\C-n" 'elm-preview-buffer)
(define-key map "\C-c\C-m" 'elm-preview-main)
(define-key map "\C-c\C-d" 'elm-documentation-lookup)
(define-key map "\C-c\C-i" 'elm-import)
(define-key map "\C-c\C-s" 'elm-sort-imports)
(define-key map "\C-c\C-t" 'elm-oracle-type-at-point)
(define-key map "\C-c\M-d" 'elm-oracle-doc-at-point)
(define-key map "\C-ct" 'elm-test-project)
map)
"Keymap for Elm major mode.")
;;;###autoload
(define-derived-mode elm-mode prog-mode "Elm"
"Major mode for editing Elm source code."
(setq-default indent-tabs-mode nil)
;; Elm is not generally suitable for electric indentation, since
;; there is no unambiguously correct indent level for any given
;; line.
(when (boundp 'electric-indent-inhibit)
(setq-local electric-indent-inhibit t))
(setq-local comment-start "--")
(setq-local comment-end "")
(setq-local imenu-create-index-function #'elm-imenu-create-index)
(setq-local paragraph-separate "\\(\r\t\n\\|-}\\)$")
(add-function :before-until (local 'eldoc-documentation-function) #'elm-eldoc)
(setq-local eldoc-idle-delay 0.25)
(add-hook 'after-save-hook #'elm-mode-after-save-handler nil t)
(turn-on-elm-font-lock)
(turn-on-elm-indent))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.elm\\'" . elm-mode))
(provide 'elm-mode)
;;; elm-mode.el ends here
|
