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- ;;; ob-shen.el --- Babel Functions for Shen -*- lexical-binding: t; -*-
- ;; Copyright (C) 2010-2018 Free Software Foundation, Inc.
- ;; Author: Eric Schulte
- ;; Keywords: literate programming, reproducible research, shen
- ;; 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:
- ;; Currently this only works using session evaluation as there is no
- ;; defined method for executing shen code outside of a session.
- ;;; Requirements:
- ;; - shen-mode and inf-shen will soon be available through the GNU
- ;; elpa, however in the interim they are available at
- ;; https://github.com/eschulte/shen-mode
- ;;; Code:
- (require 'ob)
- (declare-function shen-eval-defun "ext:inf-shen" (&optional and-go))
- (declare-function org-babel-ruby-var-to-ruby "ob-ruby" (var))
- (defvar org-babel-default-header-args:shen '()
- "Default header arguments for shen code blocks.")
- (defun org-babel-expand-body:shen (body params)
- "Expand BODY according to PARAMS, return the expanded body."
- (let ((vars (org-babel--get-vars params)))
- (if (> (length vars) 0)
- (concat "(let "
- (mapconcat (lambda (var)
- (format "%s %s" (car var)
- (org-babel-shen-var-to-shen (cdr var))))
- vars " ")
- body ")")
- body)))
- (defun org-babel-shen-var-to-shen (var)
- "Convert VAR into a shen variable."
- (if (listp var)
- (concat "[" (mapconcat #'org-babel-ruby-var-to-ruby var " ") "]")
- (format "%S" var)))
- (defun org-babel-execute:shen (body params)
- "Execute a block of Shen code with org-babel.
- This function is called by `org-babel-execute-src-block'"
- (require 'inf-shen)
- (let* ((result-params (cdr (assq :result-params params)))
- (full-body (org-babel-expand-body:shen body params)))
- (let ((results
- (with-temp-buffer
- (insert full-body)
- (call-interactively #'shen-eval-defun))))
- (org-babel-result-cond result-params
- results
- (condition-case nil (org-babel-script-escape results)
- (error results))))))
- (provide 'ob-shen)
- ;;; ob-shen.el ends here
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