;;; ob-groovy.el --- Babel Functions for Groovy -*- lexical-binding: t; -*- ;; Copyright (C) 2013-2023 Free Software Foundation, Inc. ;; Author: Miro Bezjak ;; Maintainer: Palak Mathur ;; Keywords: literate programming, reproducible research ;; URL: 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 . ;;; Commentary: ;; Currently only supports the external execution. No session support yet. ;;; Requirements: ;; - Groovy language :: https://groovy-lang.org ;; - Groovy major mode :: Can be installed from MELPA or ;; https://github.com/russel/Emacs-Groovy-Mode ;;; Code: (require 'org-macs) (unless (version< emacs-version "29") (org-assert-version)) (require 'ob) (defvar org-babel-tangle-lang-exts) ;; Autoloaded (add-to-list 'org-babel-tangle-lang-exts '("groovy" . "groovy")) (defvar org-babel-default-header-args:groovy '()) (defcustom org-babel-groovy-command "groovy" "Name of the command to use for executing Groovy code. May be either a command in the path, like groovy or an absolute path name, like /usr/local/bin/groovy parameters may be used, like groovy -v" :group 'org-babel :version "24.3" :type 'string) (defun org-babel-execute:groovy (body params) "Execute a block of Groovy code with org-babel. This function is called by `org-babel-execute-src-block'." (message "Executing Groovy source code block") (let* ((processed-params (org-babel-process-params params)) (session (org-babel-groovy-initiate-session (nth 0 processed-params))) (result-params (nth 2 processed-params)) (result-type (cdr (assq :result-type params))) (full-body (org-babel-expand-body:generic body params)) (result (org-babel-groovy-evaluate session full-body result-type result-params))) (org-babel-reassemble-table result (org-babel-pick-name (cdr (assq :colname-names params)) (cdr (assq :colnames params))) (org-babel-pick-name (cdr (assq :rowname-names params)) (cdr (assq :rownames params)))))) (defvar org-babel-groovy-wrapper-method "class Runner extends Script { def out = new PrintWriter(new ByteArrayOutputStream()) def run() { %s } } println(new Runner().run()) ") (defun org-babel-groovy-evaluate (session body &optional result-type result-params) "Evaluate BODY in external Groovy process. If RESULT-TYPE equals `output' then return standard output as a string. If RESULT-TYPE equals `value' then return the value of the last statement in BODY as elisp." (when session (error "Sessions are not (yet) supported for Groovy")) (pcase result-type (`output (let ((src-file (org-babel-temp-file "groovy_"))) (progn (with-temp-file src-file (insert body)) (org-babel-eval (concat org-babel-groovy-command " " src-file) "")))) (`value (let* ((src-file (org-babel-temp-file "groovy_")) (wrapper (format org-babel-groovy-wrapper-method body))) (with-temp-file src-file (insert wrapper)) (let ((raw (org-babel-eval (concat org-babel-groovy-command " " src-file) ""))) (org-babel-result-cond result-params raw (org-babel-script-escape raw))))))) (defun org-babel-prep-session:groovy (_session _params) "Prepare SESSION according to the header arguments specified in PARAMS." (error "Sessions are not (yet) supported for Groovy")) (defun org-babel-groovy-initiate-session (&optional _session) "If there is not a current inferior-process-buffer in SESSION then create. Return the initialized session. Sessions are not supported in Groovy." nil) (provide 'ob-groovy) ;;; ob-groovy.el ends here