* ob-lua.el (supporting Lua in Org-mode Babel): Add.

First version.

contrib/lisp/ob-lua.el

@@ -0,0 +1,45 @@
+;;; ob-lua.el --- Execute Lua code within org-mode blocks.
+;; Copyright 2016 stardiviner
+
+;; Author: stardiviner <numbchild@gmail.com>
+;; Maintainer: stardiviner <numbchild@gmail.com>
+;; Keywords: org babel lua
+;; URL: https://github.com/stardiviner/ob-lua
+;; Created: 12th April 2016
+;; Version: 0.0.1
+;; Package-Requires: ((org "8"))
+
+;;; Commentary:
+;;
+;; Execute Lua code within org-mode blocks.
+
+;;; Code:
+(require 'org)
+(require 'ob)
+
+(defgroup ob-lua nil
+  "org-mode blocks for Lua."
+  :group 'org)
+
+(defcustom ob-lua:default-session "*lua*"
+  "Default Lua session.
+
+It is lua inferior process from `run-lua'."
+  :group 'ob-lua
+  :type 'string)
+
+;;;###autoload
+(defun org-babel-execute:lua (body params)
+  "org-babel lua hook."
+  (let* ((session (or (cdr (assoc :session params))
+                      ob-lua:default-session))
+         (cmd (mapconcat 'identity (list "lua -") " ")))
+    (org-babel-eval cmd body)))
+
+;;;###autoload
+(eval-after-load "org"
+  '(add-to-list 'org-src-lang-modes '("lua" . lua)))
+
+(provide 'ob-lua)
+
+;;; ob-lua.el ends here