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org-babel functions for Objective-C language
;;; ob-objc.el --- org-babel functions for Objective-C languages
;; Copyright (C) 2010 Free Software Foundation, Inc.
;; Author: Kentarou Shimatani
;; Keywords: literate programming, reproducible research
;; Homepage:
;; Version: 7.01h
;; 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
;; 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:
;; Org-Babel support for evaluating Objective-C code.
;; very limited implementation:
;; - currently only support :results output
;; - not much in the way of error feedback
;;; Code:
(eval-when-compile (require 'cl))
(require 'ob-C)
(declare-function org-entry-get "org"
(pom property &optional inherit literal-nil))
(add-to-list 'org-babel-tangle-lang-exts '("objc" . "m"))
(defvar org-babel-default-header-args:objc '())
(defvar org-babel-objc-compiler "gcc -framework Foundation"
"Command used to compile a objective-C source code file into an
(defun org-babel-execute:objc (body params)
"Execute a block of objc code with org-babel. This function is
called by `org-babel-execute-src-block'."
(let ((org-babel-c-variant 'objc)) (org-babel-C-execute body params)))
(defun org-babel-expand-body:objc (body params &optional processed-params)
"Expand a block of objc code with org-babel according to it's
header arguments (calls `org-babel-C-expand')."
(let ((org-babel-c-variant 'objc)) (org-babel-C-expand body params processed-params)))
(defun org-babel-C-execute (body params)
"This function should only be called by `org-babel-execute:C'
or `org-babel-execute:c++'."
(let* ((processed-params (org-babel-process-params params))
(tmp-src-file (make-temp-file "org-babel-C-src" nil
(case org-babel-c-variant
(c ".c")
(objc ".m")
(cpp ".cpp"))))
(tmp-bin-file (make-temp-file "org-babel-C-bin"))
(tmp-out-file (make-temp-file "org-babel-C-out"))
(cmdline (cdr (assoc :cmdline params)))
(flags (cdr (assoc :flags params)))
(full-body (org-babel-C-expand body params))
(with-temp-file tmp-src-file (insert full-body))
(format "%s -o %s %s %s"
(case org-babel-c-variant
(c org-babel-C-compiler)
(objc org-babel-objc-compiler)
(cpp org-babel-c++-compiler))
(mapconcat 'identity
(if (listp flags) flags (list flags)) " ")
tmp-src-file) ""))))
((lambda (results)
(if (member "vector" (nth 2 processed-params))
(let ((tmp-file (make-temp-file "ob-c")))
(with-temp-file tmp-file (insert results))
(org-babel-import-elisp-from-file tmp-file))
(org-babel-read results))
(nth 4 processed-params) (cdr (assoc :colnames params)))
(nth 5 processed-params) (cdr (assoc :rownames params)))))
(concat tmp-bin-file (if cmdline (concat " " cmdline) "")) "")))))
(defun org-babel-C-expand (body params &optional processed-params)
"Expand a block of C or C++ or Objective-Ccode with org-babel according to
it's header arguments."
(let ((vars (nth 1 (or processed-params
(org-babel-process-params params))))
(main-p (not (string= (cdr (assoc :main params)) "no")))
(includes (or (cdr (assoc :includes params))
(org-babel-read (org-entry-get nil "includes" t))))
(imports (or (cdr (assoc :imports params))
(org-babel-read (org-entry-get nil "imports" t))))
(defines (org-babel-read
(or (cdr (assoc :defines params))
(org-babel-read (org-entry-get nil "defines" t))))))
(mapconcat 'identity
;; includes
(lambda (inc) (format "#include %s" inc))
(if (listp includes) includes (list includes)) "\n")
;; imports
(lambda (inc) (format "#import %s" inc))
(if (listp imports) imports (split-string imports)) "\n")
;; defines
(lambda (inc) (format "#define %s" inc))
(if (listp defines) defines (list defines)) "\n")
;; variables
(mapconcat 'org-babel-C-var-to-C vars "\n")
;; body
(if main-p
(org-babel-C-ensure-main-wrap body)
body) "\n") "\n"))))
(provide 'ob-objc)
;; arch-tag: 8f49e462-54e3-417b-9a8d-423864893b37
;;; ob-C.el ends here
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