[2010-09-08 00:22:55]
>>>[org]
>>>[emacs]
org-babelっていう便利なもんがあって,それの説明は任せるんだけど,Objective-Cは対応してないのね.
Objective-Cの勉強ついでにorg-modeでまとめてたから,もちろんソースを入れたくなって,結果も貼付けられたらいいのに.となったわけですよ.
- Emacs上のマルチな実行環境、Org-babel - sheephead
- Emacs org-modeを使ってみる: (40) org-babel-Rを使う1/2 - 屯遁のパズルとプログラミングの日記
C言語とコンパイルするコマンドもそんなにかわらんから,ちょっといじったらいけんじゃね?ってことで書いてみました.
defadviceにするのが面倒だったので,ob-objcを読み込んだあとにob-Cを読み込んだりすると,関数が上書きされちゃうかもです.てかされると思います.
コメントが1個でもついたらdefadviceに書き直します.
[追記[2010-09-08 07:52] ]書き忘れてましたが,org-babelの仕組みをちゃんと理解していないのでimport文を見てるのかなんなのかよくわからず,Foundation以外のフレームワークを引数に渡してません.多分#+import: OPenCVとか書いたら渡してくれるんやろうけど,よくわかりません.
あと,@cametan_001さんのご指摘により,condをcaseに書き換えました.gistと,下のコードは修正済みです.
導入
- gistからもってくる
(install-elisp-from-gist "568534")
- init.elなどに書く
(require 'ob-objc)
使ってみる
- org-modeで書く
* へっだー 本文 #+begin_src objc (カーソル) #+end_src
(カーソル)ってかいてるあたりでC-c'てすると,別のウィンドウでobjc-modeになってコードを編集できる.C-c'で編集終了.org-modeに戻る.
- コードを書いたらこんな感じ
#+begin_src objc #import <Foundation/NSObject.h> #import <stdio.h> @interface A: NSObject - (void)method; @end @implementation A - (void)method { printf("method called\n"); } @end int main(void) { id x = [[A alloc] init]; printf("Call method of Class A\n"); [x method]; return 0; } #+end_src
そんで,コードの中でC-cC-cすると,コードの下に実行結果が挿入される.すげー便利!
- こんな感じ
#+begin_src objc #import <Foundation/NSObject.h> #import <stdio.h> @interface A: NSObject - (void)method; @end @implementation A - (void)method { printf("method called\n"); } @end int main(void) { id x = [[A alloc] init]; printf("Call method of Class A\n"); [x method]; return 0; } #+end_src #+results: : Call method of Class A : method called
[追記[2010-09-08 10:32] ]importの意味わかった.
こんな感じに,コード中で#importを書かなくても,#+begin_srcのパラメータに渡せます.importsだけ複数のパラメータをとれるようにしました.
#+begin_src objc :imports <Foundation/NSObject.h> <stdio.h> @interface A: NSObject - (void)method; @end @implementation A - (void)method { printf("method called\n"); } @end int main(void) { id x = [[A alloc] init]; printf("Call method of Class A\n"); [x method]; return 0; } #+end_src
elisp
;;; 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: http://orgmode.org ;; 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 ;; 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 <http://www.gnu.org/licenses/>. ;;; 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 executable.") (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)) (compile (progn (with-temp-file tmp-src-file (insert full-body)) (org-babel-eval (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)) tmp-bin-file (mapconcat 'identity (if (listp flags) flags (list flags)) " ") tmp-src-file) "")))) ((lambda (results) (org-babel-reassemble-table (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)) (org-babel-pick-name (nth 4 processed-params) (cdr (assoc :colnames params))) (org-babel-pick-name (nth 5 processed-params) (cdr (assoc :rownames params))))) (org-babel-trim (org-babel-eval (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)))))) (org-babel-trim (mapconcat 'identity (list ;; includes (mapconcat (lambda (inc) (format "#include %s" inc)) (if (listp includes) includes (list includes)) "\n") ;; imports (mapconcat (lambda (inc) (format "#import %s" inc)) (if (listp imports) imports (split-string imports)) "\n") ;; defines (mapconcat (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