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77 lines
2.7 KiB
EmacsLisp
77 lines
2.7 KiB
EmacsLisp
;;; org-babel-ocaml.el --- org-babel functions for ocaml evaluation
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;; Copyright (C) 2009 Eric Schulte
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 0.01
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;;; License:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; Org-Babel support for evaluating ocaml source code. This one will
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;; be sort of tricky because ocaml programs must be compiled before
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;; they can be run, but ocaml code can also be run through an
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;; interactive interpreter.
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;;
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;; For now lets only allow evaluation using the ocaml interpreter.
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;;; Requirements:
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;; - tuareg-mode :: http://www-rocq.inria.fr/~acohen/tuareg/
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;;; Code:
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(require 'org-babel)
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(require 'tuareg)
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(org-babel-add-interpreter "ocaml")
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(add-to-list 'org-babel-tangle-langs '("ocaml" "ml"))
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(defvar org-babel-ocaml-eoe-indicator "\"org-babel-ocaml-eoe\";;")
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(defvar org-babel-ocaml-eoe-output "- : string = \"org-babel-ocaml-eoe\"")
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(defun org-babel-execute:ocaml (body params)
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"Execute a block of Ocaml code with org-babel. This function
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is called by `org-babel-execute-src-block' with the following
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variables pre-set using `multiple-value-bind'.
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(session vars result-params result-type)"
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(message "executing Ocaml source code block")
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(let* ((full-body (concat
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(mapconcat
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(lambda (pair) (format "let %s = %s;" (car pair) (cdr pair)))
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vars "\n") "\n" body "\n"))
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(session (get-buffer (org-babel-prep-session:ocaml session params)))
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(raw (org-babel-comint-with-output session org-babel-ocaml-eoe-output t
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(insert full-body)
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(insert ";;")
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(comint-send-input nil t)
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(insert org-babel-ocaml-eoe-indicator)
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(comint-send-input nil t))))
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(org-babel-trim (car raw))))
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(defun org-babel-prep-session:ocaml (session params)
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"Prepare SESSION according to the header arguments specified in PARAMS."
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(tuareg-run-caml) tuareg-interactive-buffer-name)
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(provide 'org-babel-ocaml)
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;;; org-babel-ocaml.el ends here
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