;;; ob-acl2.el --- org-babel functions for ACL2

;; Copyright (C) Masaya Tojo <masaya@tojo.tokyo>

;; Author: Masaya Tojo
;; Keywords: literate programming, reproducible research
;; Homepage: https://git.tojo.tokyo/ob-acl2.git
;; Version: 0.01

;;; License:

;; 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.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; This is implemented by pouring expressions into a *shell* buffer, which is a standard ACL2 execution environment. Please run acl2 with *shell* before using it.


;;; Code:
(require 'ob)

(defun org-babel-acl2-clean-prompt (string)
  (string-join (butlast (split-string string "\n")) "\n"))

(defun org-babel-execute:acl2 (body params)
  (let ((full-body (org-babel-expand-body:generic body params))
        ;;; XXX: I'm using *shell* for now.
	(session (get-buffer "*shell*"))
	(pt (lambda ()
	      (marker-position
	       (process-mark (get-buffer-process (current-buffer)))))))
    (org-babel-acl2-clean-prompt
     (org-babel-comint-in-buffer session
       (let ((start (funcall pt)))
	 (with-temp-buffer
	   (insert full-body)
	   (comint-send-region session (point-min) (point-max))
           (comint-send-string session "\n"))
	 (while (equal start (funcall pt)) (sleep-for 0.1))
	 (buffer-substring start (funcall pt)))))))

(provide 'ob-acl2)

;;; ob-acl2.el ends here