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+;;; ob-coq.el --- org-babel functions for Coq
+;; Copyright (C) 2010-2014 Free Software Foundation, Inc.
+;; Author: Eric Schulte
+;; Keywords: literate programming, reproducible research
+;; Homepage: http://orgmode.org
+;; This file is part of GNU Emacs.
+;; GNU Emacs 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 of the License, or
+;; (at your option) any later version.
+;; GNU Emacs 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 <http://www.gnu.org/licenses/>.
+;; Rudimentary support for evaluating Coq code blocks. Currently only
+;; session evaluation is supported. Requires both coq.el and
+;; coq-inferior.el, both of which are distributed with Coq.
+(declare-function run-coq "ext:coq-inferior.el" (cmd))
+(declare-function coq-proc "ext:coq-inferior.el" ())
+(defvar org-babel-coq-buffer "*coq*"
+ "Buffer in which to evaluate coq code blocks.")
+(defvar org-babel-coq-eoe "org-babel-coq-eoe")
+(defun org-babel-coq-clean-prompt (string)
+ (if (string-match "^[^[:space:]]+ < " string)
+ (substring string 0 (match-beginning 0))
+(defun org-babel-execute:coq (body params)
+ (let ((full-body (org-babel-expand-body:generic body params))
+ (session (org-babel-coq-initiate-session))
+ (pt (lambda ()
+ (process-mark (get-buffer-process (current-buffer)))))))
+ (org-babel-comint-in-buffer session
+ (let ((start (funcall pt)))
+ (insert full-body)
+ (comint-send-region (coq-proc) (point-min) (point-max))
+ (comint-send-string (coq-proc)
+ (if (string= (buffer-substring (- (point-max) 1) (point-max)) ".")
+ (while (equal start (funcall pt)) (sleep-for 0.1))
+ (buffer-substring start (funcall pt)))))))
+(defun org-babel-coq-initiate-session ()
+ "Initiate a coq session.
+If there is not a current inferior-process-buffer in SESSION then
+create one. Return the initialized session."
+ (unless (fboundp 'run-coq)
+ (error "`run-coq' not defined, load coq-inferior.el"))
+ (save-window-excursion (run-coq "coqtop"))
+ (sit-for 0.1)
+ (get-buffer org-babel-coq-buffer))