ob-shen.el (2744B)
1 ;;; ob-shen.el --- Babel Functions for Shen -*- lexical-binding: t; -*- 2 3 ;; Copyright (C) 2010-2021 Free Software Foundation, Inc. 4 5 ;; Author: Eric Schulte 6 ;; Keywords: literate programming, reproducible research, shen 7 ;; Homepage: https://git.sr.ht/~bzg/org-contrib 8 9 ;; This file is not part of GNU Emacs. 10 11 ;; GNU Emacs is free software: you can redistribute it and/or modify 12 ;; it under the terms of the GNU General Public License as published by 13 ;; the Free Software Foundation, either version 3 of the License, or 14 ;; (at your option) any later version. 15 16 ;; GNU Emacs is distributed in the hope that it will be useful, 17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of 18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 ;; GNU General Public License for more details. 20 21 ;; You should have received a copy of the GNU General Public License 22 ;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. 23 24 ;;; Commentary: 25 26 ;; Currently this only works using session evaluation as there is no 27 ;; defined method for executing shen code outside of a session. 28 29 ;;; Requirements: 30 31 ;; - shen-mode and inf-shen will soon be available through the GNU 32 ;; elpa, however in the interim they are available at 33 ;; https://github.com/eschulte/shen-mode 34 35 ;;; Code: 36 (require 'ob) 37 38 (declare-function shen-eval-defun "ext:inf-shen" (&optional and-go)) 39 (declare-function org-babel-ruby-var-to-ruby "ob-ruby" (var)) 40 41 (defvar org-babel-default-header-args:shen '() 42 "Default header arguments for shen code blocks.") 43 44 (defun org-babel-expand-body:shen (body params) 45 "Expand BODY according to PARAMS, return the expanded body." 46 (let ((vars (org-babel--get-vars params))) 47 (if (> (length vars) 0) 48 (concat "(let " 49 (mapconcat (lambda (var) 50 (format "%s %s" (car var) 51 (org-babel-shen-var-to-shen (cdr var)))) 52 vars " ") 53 body ")") 54 body))) 55 56 (defun org-babel-shen-var-to-shen (var) 57 "Convert VAR into a shen variable." 58 (if (listp var) 59 (concat "[" (mapconcat #'org-babel-ruby-var-to-ruby var " ") "]") 60 (format "%S" var))) 61 62 (defun org-babel-execute:shen (body params) 63 "Execute a block of Shen code with org-babel. 64 This function is called by `org-babel-execute-src-block'." 65 (require 'inf-shen) 66 (let* ((result-params (cdr (assq :result-params params))) 67 (full-body (org-babel-expand-body:shen body params))) 68 (let ((results 69 (with-temp-buffer 70 (insert full-body) 71 (call-interactively #'shen-eval-defun)))) 72 (org-babel-result-cond result-params 73 results 74 (condition-case nil (org-babel-script-escape results) 75 (error results)))))) 76 77 (provide 'ob-shen) 78 79 ;;; ob-shen.el ends here