org-mode/lisp/ob-coq.el

82 lines
2.7 KiB
EmacsLisp

;;; ob-coq.el --- Babel Functions for Coq -*- lexical-binding: t; -*-
;; Copyright (C) 2010-2021 Free Software Foundation, Inc.
;; Author: Eric Schulte
;; Maintainer: Luc Pellissier <luc.pellissier@crans.org>
;; Keywords: literate programming, reproducible research
;; Homepage: https://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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; 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.
;;
;; https://coq.inria.fr/
;;; Code:
(require 'ob)
(declare-function run-coq "ext:coq-inferior.el" (cmd))
(declare-function coq-proc "ext:coq-inferior.el" ())
(defvar coq-program-name "coqtop"
"Name of the coq toplevel to run.")
(defvar org-babel-coq-buffer "*coq*"
"Buffer in which to evaluate coq code blocks.")
(defun org-babel-coq-clean-prompt (string)
(if (string-match "^[^[:space:]]+ < " string)
(substring string 0 (match-beginning 0))
string))
(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 ()
(marker-position
(process-mark (get-buffer-process (current-buffer)))))))
(org-babel-coq-clean-prompt
(org-babel-comint-in-buffer session
(let ((start (funcall pt)))
(with-temp-buffer
(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)) ".")
"\n"
".\n")))
(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 coq-program-name))
(sit-for 0.1)
(get-buffer org-babel-coq-buffer))
(provide 'ob-coq)
;;; ob-coq.el ends here