86 lines
3.1 KiB
EmacsLisp
86 lines
3.1 KiB
EmacsLisp
;;; ob-java.el --- Babel Functions for Java -*- lexical-binding: t; -*-
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;; Copyright (C) 2011-2018 Free Software Foundation, Inc.
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;; Author: Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: https://orgmode.org
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Currently this only supports the external compilation and execution
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;; of java code blocks (i.e., no session support).
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;;; Code:
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(require 'ob)
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(defvar org-babel-tangle-lang-exts)
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(add-to-list 'org-babel-tangle-lang-exts '("java" . "java"))
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(defcustom org-babel-java-command "java"
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"Name of the java command.
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May be either a command in the path, like java
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or an absolute path name, like /usr/local/bin/java
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parameters may be used, like java -verbose"
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:group 'org-babel
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:version "24.3"
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:type 'string)
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(defcustom org-babel-java-compiler "javac"
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"Name of the java compiler.
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May be either a command in the path, like javac
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or an absolute path name, like /usr/local/bin/javac
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parameters may be used, like javac -verbose"
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:group 'org-babel
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:version "24.3"
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:type 'string)
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(defun org-babel-execute:java (body params)
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(let* ((classname (or (cdr (assq :classname params))
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(error
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"Can't compile a java block without a classname")))
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(packagename (file-name-directory classname))
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(src-file (concat classname ".java"))
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(cmpflag (or (cdr (assq :cmpflag params)) ""))
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(cmdline (or (cdr (assq :cmdline params)) ""))
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(full-body (org-babel-expand-body:generic body params)))
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(with-temp-file src-file (insert full-body))
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(org-babel-eval
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(concat org-babel-java-compiler " " cmpflag " " src-file) "")
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;; created package-name directories if missing
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(unless (or (not packagename) (file-exists-p packagename))
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(make-directory packagename 'parents))
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(let ((results (org-babel-eval (concat org-babel-java-command
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" " cmdline " " classname) "")))
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(org-babel-reassemble-table
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(org-babel-result-cond (cdr (assq :result-params params))
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(org-babel-read results)
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(let ((tmp-file (org-babel-temp-file "c-")))
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(with-temp-file tmp-file (insert results))
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(org-babel-import-elisp-from-file tmp-file)))
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(org-babel-pick-name
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(cdr (assq :colname-names params)) (cdr (assq :colnames params)))
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(org-babel-pick-name
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(cdr (assq :rowname-names params)) (cdr (assq :rownames params)))))))
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(provide 'ob-java)
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;;; ob-java.el ends here
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