annotate lisp/tl/tl-misc.el @ 4:b82b59fe008d r19-15b3

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date Mon, 13 Aug 2007 08:46:56 +0200
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1 ;;; tl-misc.el --- miscellaneous utility of tl.
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2
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3 ;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
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4
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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6 ;; Version:
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7 ;; $Id: tl-misc.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
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8 ;; Keywords: load-path, module, structure
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9
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10 ;; This file is part of tl (Tiny Library).
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11
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12 ;; This program is free software; you can redistribute it and/or
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13 ;; modify it under the terms of the GNU General Public License as
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14 ;; published by the Free Software Foundation; either version 2, or (at
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15 ;; your option) any later version.
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16
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17 ;; This program is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with This program; see the file COPYING. If not, write to
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24 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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25 ;; Boston, MA 02111-1307, USA.
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26
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27 ;;; Code:
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28
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29 (require 'emu)
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30 (require 'tl-str)
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31
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32 (autoload 'add-path "file-detect")
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33 (autoload 'get-latest-path "file-detect")
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34 (autoload 'file-installed-p "file-detect")
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35
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36
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37 ;;; @ module and hook
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38 ;;;
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39
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40 (defun call-after-loaded (module func &optional hook-name)
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41 "If MODULE is provided, then FUNC is called.
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42 Otherwise func is set to MODULE-load-hook.
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43 If optional argument HOOK-NAME is specified,
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44 it is used as hook to set. [tl-misc.el]"
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45 (if (featurep module)
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46 (funcall func)
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47 (progn
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48 (if (null hook-name)
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49 (setq hook-name (symbol-concat module "-load-hook"))
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50 )
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51 (add-hook hook-name func)
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52 )))
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53
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54
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55 ;;; @ structure
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56 ;;;
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57
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58 (defmacro define-structure (name &rest slots)
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59 (let ((pred (symbol-concat name '-p)))
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60 (cons 'progn
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61 (nconc
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62 (list
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63 (` (defun (, pred) (obj)
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64 (and (vectorp obj)
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65 (eq (elt obj 0) '(, name))
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66 ))
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67 )
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68 (` (defun (, (symbol-concat name '/create)) (, slots)
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69 (, (cons 'vector (cons (list 'quote name) slots)))
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70 )
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71 ))
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72 (let ((i 1))
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73 (mapcar (function
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74 (lambda (slot)
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75 (prog1
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76 (` (defun (, (symbol-concat name '/ slot)) (obj)
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77 (if ((, pred) obj)
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78 (elt obj (, i))
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79 ))
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80 )
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81 (setq i (+ i 1))
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82 )
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83 )) slots)
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84 )
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85 (list (list 'quote name))
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86 ))))
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87
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88
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89 ;;; @ end
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90 ;;;
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91
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92 (provide 'tl-misc)
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93
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94 ;;; tl-misc.el ends here