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1 ;;; callers-of-rpt.el --- generate call graph of lisp in XEmacs
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2
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3 ;; Copyright (C) 1997 Karl Hegbloom
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4 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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5
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6 ;; Author: Karl Hegbloom <karlheg@inetarena.com>
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7 ;; Maintainer: XEmacs Development Team
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8 ;; Keywords: internal
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs 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 XEmacs; see the file COPYING. If not, write to the
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24 ;; Free Software Foundation, 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 ;;; Synched up with: not in FSF
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28
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29 ;;; Commentary:
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30
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31 ;; Grep-2.1 is required.
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32 ;; Modify the `xemacs-src-lisp-dir' and `xemacs-pkg-lisp-dir' to reflect
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33 ;; where these directories live on your local system.
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34
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35 ;;; Code:
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36
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37 (defvar xemacs-src-lisp-dir "/usr/src/xemacs-20.0/lisp/"
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38 "Where the XEmacs 20 lisp sources live.")
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39 (defvar xemacs-pkg-lisp-dir "/home/xemacs/packages/"
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40 "Where the package lisp sources live.")
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41
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42 ;; (makunbound 'caller-table)
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43 (defconst caller-table (make-hash-table :test 'equal)
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44 "Hash table keyed on the symbols being required. Each element will
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45 be a list of file-names of programs that depend on them.")
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46
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47 ;;./apel/atype.el:(require 'emu)
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48 ;;./apel/atype.el:(require 'alist)
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49 ;;./apel/emu-e19.el: (require 'emu-xemacs))
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50 ;;./apel/emu-e19.el: (require 'emu-19)
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51
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52 (defun make-caller-report ()
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53 "Generate a simple report showing .el files that are `require'd by
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54 other .el files, and the list of programs that depend on them."
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55 (interactive)
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56 (let ((cmd-out (get-buffer-create "*caller-report find-grep output*"))
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57 (rpt (get-buffer-create "* caller report *"))
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58 file-name)
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59 (switch-to-buffer cmd-out)
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60 (buffer-disable-undo cmd-out)
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61 (set-syntax-table emacs-lisp-mode-syntax-table cmd-out)
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62 (erase-buffer cmd-out)
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63 (message "Running the find | grep...")
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64 (sit-for 0)
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65 ;; Note: Edit this part as needed for your installation.
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66 (shell-command (concat
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67 ;; First the installed lisp
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68 "cd " xemacs-src-lisp-dir " ;"
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69 "grep -H '(require ' $(find -name '*.el' -print) |"
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70 " grep -v 'auto-autoloads\\.el\\|callers-of-rpt\\.el' |"
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71 " grep -v 'el:[ \t]*;\\|require load' ;" ; ones commented off, and cus-edit.el
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72 ;; Then the packages
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73 "cd " xemacs-pkg-lisp-dir " ;"
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74 "grep -H '(require ' $(find -name '*.el' -print) |"
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75 " grep -v 'auto-autoloads\\.el\\|callers-of-rpt\\.el' |"
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76 " grep -v 'el:[ \t]*;' ;" ; ones commented off
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77 )
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78 cmd-out)
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79 (message "Running the find | grep... Done.")
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80 (goto-char (point-min))
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81 (sit-for 0)
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82 (while (not (eobp))
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83 (setq file-name (buffer-substring (+ (point) 2) ; skip the leading "./"
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84 (progn
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85 (skip-chars-forward "^:")
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86 (point))
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87 cmd-out))
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88 (re-search-forward "(require '" nil t)
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89 (let* ((key (buffer-substring (point) (progn
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90 (skip-chars-forward "^) ")
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91 (point))
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92 cmd-out))
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93 (lst (gethash key caller-table)))
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94 (unless (member file-name lst)
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95 (puthash key (cons file-name lst) caller-table)))
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96 (forward-line 1)
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97 (sit-for 0))
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98 (switch-to-buffer rpt)
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99 (buffer-disable-undo rpt)
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100 (erase-buffer rpt)
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101 (sit-for 0)
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102 (let (keys)
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103 (maphash #'(lambda (key val) (push key keys)) caller-table)
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104 (setq keys (sort keys #'string<))
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105 (mapc #'(lambda (key)
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106 (insert (format "(%s '(" key))
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107 (let ((lst (gethash key caller-table)))
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108 (while lst
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109 (insert (format "%S" (car lst)))
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110 (setq lst (cdr lst))
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111 (when lst (insert " "))))
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112 (insert "))\n")
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113 (sit-for 0))
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114 keys))))
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115
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116 (byte-compile 'make-caller-report)
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117 (delete-other-windows)
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118 (make-caller-report)
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119
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120 ;;; callers-of-rpt.el ends here
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