Implement initial prototype for morganey-mode

Author: rexim

.gitignore

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+
+# Created by https://www.gitignore.io/api/emacs
+
+### Emacs ###
+# -*- mode: gitignore; -*-
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Org-mode
+.org-id-locations
+*_archive
+
+# flymake-mode
+*_flymake.*
+
+# eshell files
+/eshell/history
+/eshell/lastdir
+
+# elpa packages
+/elpa/
+
+# reftex files
+*.rel
+
+# AUCTeX auto folder
+/auto/
+
+# cask packages
+.cask/
+dist/
+
+# Flycheck
+flycheck_*.el
+
+# server auth directory
+/server/
+
+# projectiles files
+.projectile

Cask

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+(source gnu)
+(source melpa)
+
+(package-file "morganey-mode.el")
+
+(files "*.el")

morganey-mode.el

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+;;; morganey-mode.el --- Major mode for editing Morganey files -*- lexical-binding: t -*-
+
+;; Copyright (C) 2016 Alexey Kutepov <reximkut@gmail.com>
+
+;; Author: Alexey Kutepov <reximkut@gmail.com>
+;; Maintainer: Alexey Kutepov <reximkut@gmail.com>
+;; URL: https://github.com/morganey-lang/morganey-mode
+;; Version: 0.0.1
+;; Package-Requires: ((emacs "24.4"))
+
+;; Permission is hereby granted, free of charge, to any person
+;; obtaining a copy of this software and associated documentation
+;; files (the "Software"), to deal in the Software without
+;; restriction, including without limitation the rights to use, copy,
+;; modify, merge, publish, distribute, sublicense, and/or sell copies
+;; of the Software, and to permit persons to whom the Software is
+;; furnished to do so, subject to the following conditions:
+
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
+
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+;; SOFTWARE.
+
+;;; Commentary:
+
+;; Major mode for editing source files written in Morganey programming
+;; language: https://github.com/morganey-lang/Morganey
+
+;;; Code:
+
+(defconst morganey--keywords
+  (list (cons "load" font-lock-keyword-face)
+        (cons ":=" font-lock-keyword-face)
+        (cons "\\\\" font-lock-keyword-face)
+        (cons "λ" font-lock-keyword-face)))
+
+(defconst morganey--syntax-table
+  (let ((table (make-syntax-table)))
+    (modify-syntax-entry ?/ ". 124" table)
+    (modify-syntax-entry ?* ". 23b" table)
+    (modify-syntax-entry ?\n ">" table)
+    table))
+
+(define-derived-mode morganey-mode prog-mode "Morganey"
+  "Major mode for editing Morganey files"
+  (set-syntax-table morganey--syntax-table)
+
+  (setq font-lock-defaults '(morganey--keywords))
+  (make-local-variable 'comment-start)
+  (setq comment-start "// ")
+  (make-local-variable 'comment-end)
+  (setq comment-end "")
+  (make-local-variable 'comment-start-skip)
+  (setq comment-start-skip "//[ \t]*")
+  (make-local-variable 'comment-column)
+  (setq comment-column 0))
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.mgn\\'" . morganey-mode))
+
+(provide 'morganey-mode)
+
+;;; morganey-mode.el ends here