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1 ;;; autoload.el --- maintain autoloads in loaddefs.el.
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2 ;;; Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
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3 ;;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp.
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4 ;;; Copyright (C) 1996 Ben Wing.
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5
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6 ;; Author: Roland McGrath <roland@gnu.ai.mit.edu>
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7 ;; Keywords: maint
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8
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12
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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12
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Synched up with: Not synched with FSF.
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27
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28 ;;; Commentary:
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29
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30 ;; This code helps GNU Emacs maintainers keep the loaddefs.el file up to
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31 ;; date. It interprets magic cookies of the form ";;;###autoload" in
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32 ;; lisp source files in various useful ways. To learn more, read the
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33 ;; source; if you're going to use this, you'd better be able to.
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34
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35 ;;; Code:
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36
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37 (defun make-autoload (form file)
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38 "Turn FORM, a defun or defmacro, into an autoload for source file FILE.
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39 Returns nil if FORM is not a defun, define-skeleton or defmacro."
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40 (let ((car (car-safe form)))
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41 (if (memq car '(defun define-skeleton defmacro))
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42 (let ((macrop (eq car 'defmacro))
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43 name doc)
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44 (setq form (cdr form)
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45 name (car form)
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46 ;; Ignore the arguments.
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47 form (cdr (if (eq car 'define-skeleton)
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48 form
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49 (cdr form)))
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50 doc (car form))
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51 (if (stringp doc)
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52 (setq form (cdr form))
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53 (setq doc nil))
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54 (list 'autoload (list 'quote name) file doc
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55 (or (eq car 'define-skeleton)
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56 (eq (car-safe (car form)) 'interactive))
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57 (if macrop (list 'quote 'macro) nil)))
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58 nil)))
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59
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60 (put 'define-skeleton 'doc-string-elt 3)
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61
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62 (defvar generate-autoload-cookie ";;;###autoload"
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63 "Magic comment indicating the following form should be autoloaded.
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64 Used by `update-file-autoloads'. This string should be
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65 meaningless to Lisp (e.g., a comment).
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66
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67 This string is used:
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68
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69 ;;;###autoload
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70 \(defun function-to-be-autoloaded () ...)
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71
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72 If this string appears alone on a line, the following form will be
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73 read and an autoload made for it. If it is followed by the string
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74 \"immediate\", then the form on the following line will be copied
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75 verbatim. If there is further text on the line, that text will be
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76 copied verbatim to `generated-autoload-file'.")
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77
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78 (defvar generate-autoload-section-header "\f\n;;;### "
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79 "String inserted before the form identifying
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80 the section of autoloads for a file.")
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81
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82 (defvar generate-autoload-section-trailer "\n;;;***\n"
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83 "String which indicates the end of the section of autoloads for a file.")
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84
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85 ;;; Forms which have doc-strings which should be printed specially.
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86 ;;; A doc-string-elt property of ELT says that (nth ELT FORM) is
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87 ;;; the doc-string in FORM.
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88 ;;;
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89 ;;; There used to be the following note here:
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90 ;;; ;;; Note: defconst and defvar should NOT be marked in this way.
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91 ;;; ;;; We don't want to produce defconsts and defvars that
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92 ;;; ;;; make-docfile can grok, because then it would grok them twice,
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93 ;;; ;;; once in foo.el (where they are given with ;;;###autoload) and
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94 ;;; ;;; once in loaddefs.el.
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95 ;;;
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96 ;;; Counter-note: Yes, they should be marked in this way.
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97 ;;; make-docfile only processes those files that are loaded into the
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98 ;;; dumped Emacs, and those files should never have anything
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99 ;;; autoloaded here. The above-feared problem only occurs with files
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100 ;;; which have autoloaded entries *and* are processed by make-docfile;
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101 ;;; there should be no such files.
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102
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103 (put 'autoload 'doc-string-elt 3)
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104 (put 'defun 'doc-string-elt 3)
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105 (put 'defvar 'doc-string-elt 3)
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106 (put 'defconst 'doc-string-elt 3)
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107 (put 'defmacro 'doc-string-elt 3)
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108
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109 (defun autoload-trim-file-name (file)
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110 "Returns a relative pathname of FILE including the last directory."
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111 (setq file (expand-file-name file))
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112 (file-relative-name file (file-name-directory
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113 (directory-file-name
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114 (file-name-directory file)))))
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115
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116 ;;;###autoload
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117 (defun generate-file-autoloads (file &optional funlist)
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118 "Insert at point a loaddefs autoload section for FILE.
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119 autoloads are generated for defuns and defmacros in FILE
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120 marked by `generate-autoload-cookie' (which see).
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121 If FILE is being visited in a buffer, the contents of the buffer
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122 are used."
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123 (interactive "fGenerate autoloads for file: ")
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124 (generate-file-autoloads-1 file funlist))
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125
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126 (defun* generate-file-autoloads-1 (file funlist)
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127 "Insert at point a loaddefs autoload section for FILE.
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128 autoloads are generated for defuns and defmacros in FILE
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129 marked by `generate-autoload-cookie' (which see).
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130 If FILE is being visited in a buffer, the contents of the buffer
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131 are used."
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132 (let ((outbuf (current-buffer))
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133 (autoloads-done '())
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134 (load-name (replace-in-string (file-name-nondirectory file)
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135 "\\.elc?$"
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136 ""))
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137 (trim-name (autoload-trim-file-name file))
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138 (dofiles (not (null funlist)))
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139 (print-length nil)
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140 (print-readably t) ; XEmacs
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141 (float-output-format nil)
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12
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142 ;; (done-any nil)
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143 (visited (get-file-buffer file))
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144 output-end)
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145
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146 ;; If the autoload section we create here uses an absolute
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147 ;; pathname for FILE in its header, and then Emacs is installed
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148 ;; under a different path on another system,
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149 ;; `update-autoloads-here' won't be able to find the files to be
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150 ;; autoloaded. So, if FILE is in the same directory or a
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151 ;; subdirectory of the current buffer's directory, we'll make it
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152 ;; relative to the current buffer's directory.
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153 (setq file (expand-file-name file))
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154
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155 (save-excursion
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156 (unwind-protect
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157 (progn
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158 (set-buffer (or visited (find-file-noselect file)))
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159 (save-excursion
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160 (save-restriction
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161 (widen)
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162 (goto-char (point-min))
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163 (unless (search-forward generate-autoload-cookie nil t)
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164 (message "No autoloads found in %s" trim-name)
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165 (return-from generate-file-autoloads-1))
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166
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167 (message "Generating autoloads for %s..." trim-name)
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168 (goto-char (point-min))
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169 (while (if dofiles funlist (not (eobp)))
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170 (if (not dofiles)
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171 (skip-chars-forward " \t\n\f")
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172 (goto-char (point-min))
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173 (re-search-forward
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174 (concat "(def\\(un\\|var\\|const\\|macro\\) "
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175 (regexp-quote (symbol-name (car funlist)))
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176 "\\s "))
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177 (goto-char (match-beginning 0)))
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178 (cond
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179 ((or dofiles
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180 (looking-at (regexp-quote generate-autoload-cookie)))
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181 (if dofiles
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182 nil
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183 (search-forward generate-autoload-cookie)
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184 (skip-chars-forward " \t"))
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12
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185 ;; (setq done-any t)
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186 (if (or dofiles (eolp))
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187 ;; Read the next form and make an autoload.
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188 (let* ((form (prog1 (read (current-buffer))
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189 (or (bolp) (forward-line 1))))
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190 (autoload (make-autoload form load-name))
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191 (doc-string-elt (get (car-safe form)
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192 'doc-string-elt)))
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193 (if autoload
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194 (setq autoloads-done (cons (nth 1 form)
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195 autoloads-done))
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196 (setq autoload form))
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197 (if (and doc-string-elt
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198 (stringp (nth doc-string-elt autoload)))
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199 ;; We need to hack the printing because the
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200 ;; doc-string must be printed specially for
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201 ;; make-docfile (sigh).
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202 (let* ((p (nthcdr (1- doc-string-elt)
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203 autoload))
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204 (elt (cdr p)))
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205 (setcdr p nil)
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206 (princ "\n(" outbuf)
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207 ;; XEmacs change: don't let ^^L's get into
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208 ;; the file or sorting is hard.
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209 (let ((print-escape-newlines t)
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210 (p (save-excursion
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211 (set-buffer outbuf)
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212 (point)))
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213 p2)
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214 (mapcar (function (lambda (elt)
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215 (prin1 elt outbuf)
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216 (princ " " outbuf)))
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217 autoload)
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218 (save-excursion
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219 (set-buffer outbuf)
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220 (setq p2 (point-marker))
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221 (goto-char p)
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222 (save-match-data
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223 (while (search-forward "\^L" p2 t)
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224 (delete-char -1)
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225 (insert "\\^L")))
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226 (goto-char p2)
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227 ))
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228 (princ "\"\\\n" outbuf)
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229 (let ((begin (save-excursion
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230 (set-buffer outbuf)
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231 (point))))
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232 (princ (substring
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233 (prin1-to-string (car elt)) 1)
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234 outbuf)
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235 ;; Insert a backslash before each ( that
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236 ;; appears at the beginning of a line in
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237 ;; the doc string.
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238 (save-excursion
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239 (set-buffer outbuf)
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240 (save-excursion
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241 (while (search-backward "\n(" begin t)
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242 (forward-char 1)
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243 (insert "\\"))))
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244 (if (null (cdr elt))
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245 (princ ")" outbuf)
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246 (princ " " outbuf)
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247 (princ (substring
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248 (prin1-to-string (cdr elt))
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249 1)
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250 outbuf))
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251 (terpri outbuf)))
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252 ;; XEmacs change: another fucking ^L hack
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253 (let ((p (save-excursion
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254 (set-buffer outbuf)
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255 (point)))
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256 (print-escape-newlines t)
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257 p2)
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258 (print autoload outbuf)
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259 (save-excursion
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260 (set-buffer outbuf)
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261 (setq p2 (point-marker))
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262 (goto-char p)
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263 (save-match-data
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264 (while (search-forward "\^L" p2 t)
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265 (delete-char -1)
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266 (insert "\\^L")))
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267 (goto-char p2)
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268 ))
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269 ))
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270 ;; Copy the rest of the line to the output.
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271 (let ((begin (point)))
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272 (terpri outbuf)
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273 (cond ((looking-at "immediate\\s *$") ; XEmacs
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274 ;; This is here so that you can automatically
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275 ;; have small hook functions copied to
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276 ;; loaddefs.el so that it's not necessary to
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277 ;; load a whole file just to get a two-line
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278 ;; do-nothing find-file-hook... --Stig
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279 (forward-line 1)
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280 (setq begin (point))
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281 (forward-sexp)
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282 (forward-line 1))
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283 (t
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284 (forward-line 1)))
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285 (princ (buffer-substring begin (point)) outbuf))))
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286 ((looking-at ";")
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287 ;; Don't read the comment.
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288 (forward-line 1))
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289 (t
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290 (forward-sexp 1)
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291 (forward-line 1)))
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292 (if dofiles
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293 (setq funlist (cdr funlist)))))))
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294 (unless visited
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295 ;; We created this buffer, so we should kill it.
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296 (kill-buffer (current-buffer)))
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297 (set-buffer outbuf)
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298 (setq output-end (point-marker))))
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299 (if t ;; done-any
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300 ;; XEmacs -- always do this so that we cache the information
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301 ;; that we've processed the file already.
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302 (progn
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303 (insert generate-autoload-section-header)
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304 (prin1 (list 'autoloads autoloads-done load-name trim-name)
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305 outbuf)
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306 (terpri outbuf)
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12
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307 ;;;; (insert ";;; Generated autoloads from "
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308 ;;;; (autoload-trim-file-name file) "\n")
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309 ;; Warn if we put a line in loaddefs.el
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310 ;; that is long enough to cause trouble.
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311 (when (< output-end (point))
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312 (setq output-end (point-marker)))
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313 (while (< (point) output-end)
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314 (let ((beg (point)))
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315 (end-of-line)
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316 (if (> (- (point) beg) 900)
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317 (progn
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318 (message "A line is too long--over 900 characters")
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319 (sleep-for 2)
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320 (goto-char output-end))))
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321 (forward-line 1))
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322 (goto-char output-end)
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323 (insert generate-autoload-section-trailer)))
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324 (or noninteractive ; XEmacs: only need one line in -batch mode.
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325 (message "Generating autoloads for %s...done" file))))
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326
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327
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328 (defvar generated-autoload-file
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329 (expand-file-name "../lisp/prim/auto-autoloads.el" data-directory)
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330 "*File `update-file-autoloads' puts autoloads into.
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331 A .el file can set this in its local variables section to make its
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332 autoloads go somewhere else.")
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333
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334 ;;;###autoload
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335 (defun update-file-autoloads (file)
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336 "Update the autoloads for FILE in `generated-autoload-file'
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337 \(which FILE might bind in its local variables)."
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338 (interactive "fUpdate autoloads for file: ")
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12
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339 (setq file (expand-file-name file))
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340 (let ((load-name (replace-in-string (file-name-nondirectory file)
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341 "\\.elc?$"
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342 ""))
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343 (trim-name (autoload-trim-file-name file))
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344 section-begin form)
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345 (save-excursion
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346 (set-buffer (or (get-file-buffer generated-autoload-file)
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347 (find-file-noselect generated-autoload-file)))
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12
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348 ;; First delete all sections for this file.
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349 (goto-char (point-min))
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350 (while (search-forward generate-autoload-section-header nil t)
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351 (setq section-begin (match-beginning 0))
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352 (setq form (read (current-buffer)))
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353 (when (string= (nth 2 form) load-name)
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354 (search-forward generate-autoload-section-trailer)
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355 (delete-region section-begin (point))))
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356
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357 ;; Now find insertion point for new section
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358 (block find-insertion-point
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359 (goto-char (point-min))
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360 (while (search-forward generate-autoload-section-header nil t)
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361 (setq form (read (current-buffer)))
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362 (when (string< trim-name (nth 3 form))
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363 ;; Found alphabetically correct insertion point
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364 (goto-char (match-beginning 0))
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365 (return-from find-insertion-point))
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366 (search-forward generate-autoload-section-trailer))
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367 (when (eq (point) (point-min)) ; No existing entries?
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368 (goto-char (point-max)))) ; Append.
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369
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370 ;; Add in new sections for file
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371 (generate-file-autoloads file))
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372
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373 (when (interactive-p) (save-buffer))))
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0
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374
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375 ;;;###autoload
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376 (defun update-autoloads-here ()
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12
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377 "Update sections of the current buffer generated by `update-file-autoloads'."
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0
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378 (interactive)
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379 (let ((generated-autoload-file (buffer-file-name)))
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380 (save-excursion
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381 (goto-char (point-min))
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382 (while (search-forward generate-autoload-section-header nil t)
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383 (let* ((form (condition-case ()
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384 (read (current-buffer))
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385 (end-of-file nil)))
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386 (file (nth 3 form)))
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387 ;; XEmacs change: if we can't find the file as specified, look
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388 ;; around a bit more.
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389 (cond ((and (stringp file)
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390 (or (get-file-buffer file)
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391 (file-exists-p file))))
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392 ((and (stringp file)
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393 (save-match-data
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394 (let ((loc (locate-file (file-name-nondirectory file)
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395 load-path)))
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396 (if (null loc)
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397 nil
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398 (setq loc (expand-file-name
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399 (autoload-trim-file-name loc)
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400 ".."))
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401 (if (or (get-file-buffer loc)
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402 (file-exists-p loc))
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403 (setq file loc)
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404 nil))))))
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405 (t
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12
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406 (setq file
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407 (if (y-or-n-p
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408 (format
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409 "Can't find library `%s'; remove its autoloads? "
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410 (nth 2 form) file))
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411 t
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412 (condition-case ()
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413 (read-file-name
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414 (format "Find `%s' load file: "
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415 (nth 2 form))
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416 nil nil t)
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417 (quit nil))))))
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0
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418 (if file
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419 (let ((begin (match-beginning 0)))
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420 (search-forward generate-autoload-section-trailer)
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421 (delete-region begin (point))))
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422 (if (stringp file)
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423 (generate-file-autoloads file)))))))
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424
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425 ;;;###autoload
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12
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426 (defun update-autoloads-from-directory (dir)
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427 "Update `generated-autoload-file' with all the current autoloads from DIR.
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428 This runs `update-file-autoloads' on each .el file in DIR.
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429 Obsolete autoload entries for files that no longer exist are deleted."
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0
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430 (interactive "DUpdate autoloads for directory: ")
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12
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431 (setq dir (expand-file-name dir))
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432 (let ((simple-dir (file-name-as-directory
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433 (file-name-nondirectory
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434 (directory-file-name dir))))
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435 (enable-local-eval nil))
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436 (save-excursion
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437 (set-buffer (find-file-noselect generated-autoload-file))
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438 (goto-char (point-min))
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439 (while (search-forward generate-autoload-section-header nil t)
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440 (let* ((begin (match-beginning 0))
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441 (form (condition-case ()
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442 (read (current-buffer))
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443 (end-of-file nil)))
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444 (file (nth 3 form)))
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445 (when (and (stringp file)
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446 (string= (file-name-directory file) simple-dir)
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447 (not (file-exists-p
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448 (expand-file-name
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449 (file-name-nondirectory file) dir))))
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450 ;; Remove the obsolete section.
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451 (search-forward generate-autoload-section-trailer)
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452 (delete-region begin (point)))))
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453 ;; Update or create autoload sections for existing files.
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454 (mapcar 'update-file-autoloads (directory-files dir t "^[^=].*\\.el$"))
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|
|
455 (unless noninteractive
|
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456 (save-buffer)))))
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0
|
457
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458 ;;;###autoload
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|
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459 (defun batch-update-autoloads ()
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460 "Update the autoloads for the files or directories on the command line.
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12
|
461 Runs `update-file-autoloads' on files and `update-directory-autoloads'
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0
|
462 on directories. Must be used only with -batch, and kills Emacs on completion.
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463 Each file will be processed even if an error occurred previously.
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12
|
464 For example, invoke `xemacs -batch -f batch-update-autoloads *.el'."
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|
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465 (unless noninteractive
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466 (error "batch-update-autoloads is to be used only with -batch"))
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|
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467 (let ((defdir default-directory)
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|
|
468 (enable-local-eval nil)) ; Don't query in batch mode.
|
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0
|
469 (message "Updating autoloads in %s..." generated-autoload-file)
|
|
12
|
470 (dolist (arg command-line-args-left)
|
|
|
471 (setq arg (expand-file-name arg defdir))
|
|
|
472 (cond
|
|
|
473 ((file-directory-p arg)
|
|
|
474 (message "Updating autoloads for directory %s..." arg)
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|
|
475 (update-autoloads-from-directory arg))
|
|
|
476 ((file-exists-p arg)
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|
|
477 (update-file-autoloads arg))
|
|
|
478 (t (error "No such file or directory: %s" arg))))
|
|
0
|
479 (save-some-buffers t)
|
|
|
480 (message "Done")
|
|
12
|
481 (kill-emacs 0)))
|
|
0
|
482
|
|
|
483 (provide 'autoload)
|
|
|
484
|
|
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485 ;;; autoload.el ends here
|
