;;; ob-brainfuck.el --- org-babel functions for brainfuck evaluation
;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
;; Author: Eric Schulte and Arne Babenhauserheide
;; Keywords: literate brainfuck
;; Homepage: http://draketo.de
;; Version: 0.01
;; This program 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 program 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;; This code is heavily based on ob-dot.el from org-mode. Heavily
;; based as in (query-replace dot brainfuck) + some deleted lines and
;; removed options.
;; dev-lang/bff - a brainfuck interpreter named bff
'((:results . "output") (:exports . "results"))
"Default arguments to use when evaluating a brainfuck source block.")
(defun org-babel-expand-body:brainfuck (body params)
"Expand BODY according to PARAMS, return the expanded body."
(let ((vars (mapcar #'cdr (org-babel-get-header params :var))))
(let ((name (symbol-name (car pair)))
(value (cdr pair)))
(concat "\$" (regexp-quote name))
(if (stringp value) value (format "%S" value))
(defun org-babel-execute:brainfuck (body params)
"Execute a block of Brainfuck code with org-babel.
This function is called by `org-babel-execute-src-block'."
(let* ((result-params (cdr (assoc :result-params params)))
(cmd (or (cdr (assoc :cmd params)) "bff"))
(in-file (org-babel-temp-file "brainfuck-")))
(insert (org-babel-expand-body:brainfuck body params)))
" " (org-babel-process-file-name in-file)) "")))
(defun org-babel-prep-session:brainfuck (session params)
"Return an error because Brainfuck does not support sessions."
(error "Brainfuck does not support sessions"))
;;; ob-brainfuck.el ends here