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1 ;;; add-log.el --- change log maintenance commands for Emacs
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2
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3 ;; Copyright (C) 1985, 1986, 1988, 1993, 1994 Free Software Foundation, Inc.
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4
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5 ;; Keywords: maint
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6
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7 ;; This file is part of XEmacs.
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8
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9 ;; XEmacs is free software; you can redistribute it and/or modify it
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10 ;; under the terms of the GNU General Public License as published by
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11 ;; the Free Software Foundation; either version 2, or (at your option)
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12 ;; any later version.
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13
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14 ;; XEmacs is distributed in the hope that it will be useful, but
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15 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 ;; General Public License for more details.
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18
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19 ;; You should have received a copy of the GNU General Public License
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20 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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21 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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22
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2
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23 ;;; Synched up with: FSF 19.34.
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24
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25 ;;; Commentary:
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26
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27 ;; This facility is documented in the Emacs Manual.
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28
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29 ;;; Code:
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30
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31 ;;;###autoload
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32 (defvar change-log-default-name nil
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33 "*Name of a change log file for \\[add-change-log-entry].")
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34
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35 ;;;###autoload
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36 (defvar add-log-current-defun-function nil
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37 "\
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38 *If non-nil, function to guess name of current function from surrounding text.
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39 \\[add-change-log-entry] calls this function (if nil, `add-log-current-defun'
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40 instead) with no arguments. It returns a string or nil if it cannot guess.")
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41
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42 ;;;###autoload
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43 (defvar add-log-full-name nil
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44 "*Full name of user, for inclusion in ChangeLog daily headers.
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45 This defaults to the value returned by the `user-full-name' function.")
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46
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47 ;; So that the dump-time value doesn't go into loaddefs.el with the autoload.
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48 (or add-log-full-name (setq add-log-full-name (user-full-name)))
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49
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50 ;;;###autoload
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51 (defvar add-log-mailing-address nil
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52 "*Electronic mail address of user, for inclusion in ChangeLog daily headers.
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53 This defaults to the value of `user-mail-address'.")
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54
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55 ;; So that the dump-time value doesn't go into loaddefs.el with the autoload.
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56 (or add-log-mailing-address
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57 (setq add-log-mailing-address user-mail-address))
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58
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59 (defvar change-log-font-lock-keywords
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60 '(("^[SMTWF].+" . font-lock-function-name-face) ; Date line.
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61 ("^\t\\* \\([^ :\n]+\\)" 1 font-lock-comment-face) ; File name.
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2
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62 ("(\\([^)\n]+\\)):" 1 font-lock-keyword-face)) ; Function name.
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63 "Additional expressions to highlight in Change Log mode.")
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64 (put 'change-log-mode 'font-lock-defaults
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65 '(change-log-font-lock-keywords t))
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66
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67 (defvar change-log-mode-map nil
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68 "Keymap for Change Log major mode.")
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69 (if change-log-mode-map
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70 nil
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71 (setq change-log-mode-map (make-sparse-keymap))
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72 (define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph))
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73
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74 (defun change-log-name ()
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75 (or change-log-default-name
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76 (if (eq system-type 'vax-vms)
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77 "$CHANGE_LOG$.TXT"
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78 (if (or (eq system-type 'ms-dos) (eq system-type 'windows-nt))
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79 "changelo"
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80 "ChangeLog"))))
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81
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82 ;;;###autoload
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83 (defun prompt-for-change-log-name ()
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84 "Prompt for a change log name."
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85 (let* ((default (change-log-name))
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86 (name (expand-file-name
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87 (read-file-name (format "Log file (default %s): " default)
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88 nil default))))
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89 ;; Handle something that is syntactically a directory name.
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90 ;; Look for ChangeLog or whatever in that directory.
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91 (if (string= (file-name-nondirectory name) "")
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92 (expand-file-name (file-name-nondirectory default)
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93 name)
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94 ;; Handle specifying a file that is a directory.
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95 (if (file-directory-p name)
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96 (expand-file-name (file-name-nondirectory default)
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97 (file-name-as-directory name))
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98 name))))
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99
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100 ;;;###autoload
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101 (defun find-change-log (&optional file-name)
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102 "Find a change log file for \\[add-change-log-entry] and return the name.
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103
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104 Optional arg FILE-NAME specifies the file to use.
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105 If FILE-NAME is nil, use the value of `change-log-default-name'.
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106 If 'change-log-default-name' is nil, behave as though it were 'ChangeLog'
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107 \(or whatever we use on this operating system).
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108
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109 If 'change-log-default-name' contains a leading directory component, then
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110 simply find it in the current directory. Otherwise, search in the current
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111 directory and its successive parents for a file so named.
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112
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113 Once a file is found, `change-log-default-name' is set locally in the
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114 current buffer to the complete file name."
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115 ;; If user specified a file name or if this buffer knows which one to use,
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116 ;; just use that.
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117 (or file-name
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118 (setq file-name (and change-log-default-name
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119 (file-name-directory change-log-default-name)
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120 change-log-default-name))
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121 (progn
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122 ;; Chase links in the source file
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123 ;; and use the change log in the dir where it points.
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124 (setq file-name (or (and buffer-file-name
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125 (file-name-directory
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126 (file-chase-links buffer-file-name)))
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127 default-directory))
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128 (if (file-directory-p file-name)
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129 (setq file-name (expand-file-name (change-log-name) file-name)))
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130 ;; Chase links before visiting the file.
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131 ;; This makes it easier to use a single change log file
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132 ;; for several related directories.
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133 (setq file-name (file-chase-links file-name))
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134 (setq file-name (expand-file-name file-name))
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135 ;; Move up in the dir hierarchy till we find a change log file.
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136 (let ((file1 file-name)
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137 parent-dir)
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138 (while (and (not (or (get-file-buffer file1) (file-exists-p file1)))
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139 (progn (setq parent-dir
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140 (file-name-directory
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141 (directory-file-name
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142 (file-name-directory file1))))
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143 ;; Give up if we are already at the root dir.
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144 (not (string= (file-name-directory file1)
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145 parent-dir))))
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146 ;; Move up to the parent dir and try again.
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147 (setq file1 (expand-file-name
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148 (file-name-nondirectory (change-log-name))
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149 parent-dir)))
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150 ;; If we found a change log in a parent, use that.
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151 (if (or (get-file-buffer file1) (file-exists-p file1))
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152 (setq file-name file1)))))
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153 ;; Make a local variable in this buffer so we needn't search again.
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154 (set (make-local-variable 'change-log-default-name) file-name)
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155 file-name)
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156
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157 ;;;###autoload
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158 (defun add-change-log-entry (&optional whoami file-name other-window new-entry)
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159 "Find change log file and add an entry for today.
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160 Optional arg (interactive prefix) non-nil means prompt for user name and site.
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161 Second arg is file name of change log. If nil, uses `change-log-default-name'.
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162 Third arg OTHER-WINDOW non-nil means visit in other window.
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163 Fourth arg NEW-ENTRY non-nil means always create a new entry at the front;
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164 never append to an existing entry."
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165 (interactive (list current-prefix-arg
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166 (prompt-for-change-log-name)))
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167 (or add-log-full-name
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168 (setq add-log-full-name (user-full-name)))
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169 (or add-log-mailing-address
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170 (setq add-log-mailing-address user-mail-address))
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171 (if whoami
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172 (progn
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173 (setq add-log-full-name (read-string "Full name: " add-log-full-name))
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174 ;; Note that some sites have room and phone number fields in
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175 ;; full name which look silly when inserted. Rather than do
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176 ;; anything about that here, let user give prefix argument so that
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177 ;; s/he can edit the full name field in prompter if s/he wants.
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178 (setq add-log-mailing-address
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179 (read-string "Mailing address: " add-log-mailing-address))))
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180 (let ((defun (funcall (or add-log-current-defun-function
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181 'add-log-current-defun)))
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182 paragraph-end entry)
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183
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184 (setq file-name (expand-file-name (find-change-log file-name)))
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185
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186 ;; Set ENTRY to the file name to use in the new entry.
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187 (and buffer-file-name
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188 ;; Never want to add a change log entry for the ChangeLog file itself.
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189 (not (string= buffer-file-name file-name))
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190 (setq entry (if (string-match
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191 (concat "^" (regexp-quote (file-name-directory
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192 file-name)))
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193 buffer-file-name)
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194 (substring buffer-file-name (match-end 0))
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195 (file-name-nondirectory buffer-file-name))))
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196
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197 (if (and other-window (not (equal file-name buffer-file-name)))
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198 (find-file-other-window file-name)
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199 (find-file file-name))
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200 (or (eq major-mode 'change-log-mode)
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201 (change-log-mode))
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202 (undo-boundary)
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203 (goto-char (point-min))
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204 (if (looking-at (concat (regexp-quote (substring (current-time-string)
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205 0 10))
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206 ".* " (regexp-quote add-log-full-name)
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207 " <" (regexp-quote add-log-mailing-address)))
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208 (forward-line 1)
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209 (insert (current-time-string)
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210 " " add-log-full-name
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211 " <" add-log-mailing-address ">\n\n"))
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212
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213 ;; Search only within the first paragraph.
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214 (if (looking-at "\n*[^\n* \t]")
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215 (skip-chars-forward "\n")
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216 (forward-paragraph 1))
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217 (setq paragraph-end (point))
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218 (goto-char (point-min))
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219
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220 ;; Now insert the new line for this entry.
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221 (cond ((re-search-forward "^\\s *\\*\\s *$" paragraph-end t)
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222 ;; Put this file name into the existing empty entry.
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223 (if entry
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224 (insert entry)))
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225 ((and (not new-entry)
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226 (let (case-fold-search)
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227 (re-search-forward
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228 (concat (regexp-quote (concat "* " entry))
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229 ;; Don't accept `foo.bar' when
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230 ;; looking for `foo':
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231 "\\(\\s \\|[(),:]\\)")
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232 paragraph-end t)))
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233 ;; Add to the existing entry for the same file.
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234 (re-search-forward "^\\s *$\\|^\\s \\*")
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235 (goto-char (match-beginning 0))
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236 ;; Delete excess empty lines; make just 2.
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237 (while (and (not (eobp)) (looking-at "^\\s *$"))
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238 (delete-region (point) (save-excursion (forward-line 1) (point))))
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239 (insert "\n\n")
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240 (forward-line -2)
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241 (indent-relative-maybe))
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242 (t
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243 ;; Make a new entry.
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244 (forward-line 1)
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245 (while (looking-at "\\sW")
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246 (forward-line 1))
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247 (while (and (not (eobp)) (looking-at "^\\s *$"))
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248 (delete-region (point) (save-excursion (forward-line 1) (point))))
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249 (insert "\n\n\n")
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250 (forward-line -2)
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251 (indent-to left-margin)
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252 (insert "* " (or entry ""))))
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253 ;; Now insert the function name, if we have one.
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254 ;; Point is at the entry for this file,
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255 ;; either at the end of the line or at the first blank line.
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256 (if defun
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257 (progn
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258 ;; Make it easy to get rid of the function name.
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259 (undo-boundary)
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260 (insert (if (save-excursion
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261 (beginning-of-line 1)
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262 (looking-at "\\s *$"))
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263 ""
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264 " ")
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265 "(" defun "): "))
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266 ;; No function name, so put in a colon unless we have just a star.
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267 (if (not (save-excursion
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268 (beginning-of-line 1)
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269 (looking-at "\\s *\\(\\*\\s *\\)?$")))
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270 (insert ": ")))))
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271
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272 ;;;###autoload
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273 (defun add-change-log-entry-other-window (&optional whoami file-name)
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274 "Find change log file in other window and add an entry for today.
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275 Optional arg (interactive prefix) non-nil means prompt for user name and site.
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276 Second arg is file name of change log. \
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277 If nil, uses `change-log-default-name'."
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278 (interactive (if current-prefix-arg
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279 (list current-prefix-arg
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280 (prompt-for-change-log-name))))
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281 (add-change-log-entry whoami file-name t))
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282 ;;;###autoload (define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
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283
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284 (defvar change-log-mode-map nil
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285 "Keymap for Change Log major mode.")
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286 (if change-log-mode-map
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287 nil
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288 (setq change-log-mode-map (make-sparse-keymap))
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289 (set-keymap-name change-log-mode-map 'change-log-mode-map)
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290 (define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph))
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291
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292 ;;;###autoload
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293 (defun change-log-mode ()
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294 "Major mode for editing change logs; like Indented Text Mode.
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295 Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74.
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296 New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window].
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297 Each entry behaves as a paragraph, and the entries for one day as a page.
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298 Runs `change-log-mode-hook'."
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299 (interactive)
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300 (kill-all-local-variables)
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301 (indented-text-mode)
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302 (setq major-mode 'change-log-mode
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303 mode-name "Change Log"
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304 left-margin 8
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305 fill-column 74
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306 indent-tabs-mode t
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307 tab-width 8)
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308 (use-local-map change-log-mode-map)
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309 ;; Let each entry behave as one paragraph:
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310 ;; We really do want "^" in paragraph-start below: it is only the lines that
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311 ;; begin at column 0 (despite the left-margin of 8) that we are looking for.
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312 (set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\sw")
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313 (set (make-local-variable 'paragraph-separate) "\\s *$\\|\f\\|^\\sw")
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314 ;; Let all entries for one day behave as one page.
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315 ;; Match null string on the date-line so that the date-line
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316 ;; is grouped with what follows.
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317 (set (make-local-variable 'page-delimiter) "^\\<\\|^\f")
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318 (set (make-local-variable 'version-control) 'never)
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319 (set (make-local-variable 'adaptive-fill-regexp) "\\s *")
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320 (run-hooks 'change-log-mode-hook))
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321
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322 ;; It might be nice to have a general feature to replace this. The idea I
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323 ;; have is a variable giving a regexp matching text which should not be
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324 ;; moved from bol by filling. change-log-mode would set this to "^\\s *\\s(".
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325 ;; But I don't feel up to implementing that today.
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326 (defun change-log-fill-paragraph (&optional justify)
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327 "Fill the paragraph, but preserve open parentheses at beginning of lines.
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328 Prefix arg means justify as well."
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329 (interactive "P")
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330 (let ((end (save-excursion (forward-paragraph) (point)))
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331 (beg (save-excursion (backward-paragraph)(point)))
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332 (paragraph-start (concat paragraph-start "\\|\\s *\\s(")))
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333 (fill-region beg end justify)))
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334
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335 (defvar add-log-current-defun-header-regexp
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336 "^\\([A-Z][A-Z_ ]*[A-Z_]\\|[-_a-zA-Z]+\\)[ \t]*[:=]"
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337 "*Heuristic regexp used by `add-log-current-defun' for unknown major modes.")
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338
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339 ;;;###autoload
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340 (defun add-log-current-defun ()
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341 "Return name of function definition point is in, or nil.
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342
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343 Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...),
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344 Texinfo (@node titles), Perl, and Fortran.
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345
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346 Other modes are handled by a heuristic that looks in the 10K before
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347 point for uppercase headings starting in the first column or
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348 identifiers followed by `:' or `=', see variable
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349 `add-log-current-defun-header-regexp'.
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350
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351 Has a preference of looking backwards."
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352 (condition-case nil
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353 (save-excursion
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354 (let ((location (point)))
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355 (cond ((memq major-mode '(emacs-lisp-mode lisp-mode scheme-mode
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356 lisp-interaction-mode))
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357 ;; If we are now precisely at the beginning of a defun,
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358 ;; make sure beginning-of-defun finds that one
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359 ;; rather than the previous one.
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360 (or (eobp) (forward-char 1))
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361 (beginning-of-defun)
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362 ;; Make sure we are really inside the defun found, not after it.
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2
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363 (if (and (looking-at "\\s(")
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364 (progn (end-of-defun)
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0
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365 (< location (point)))
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366 (progn (forward-sexp -1)
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367 (>= location (point))))
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368 (progn
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369 (if (looking-at "\\s(")
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370 (forward-char 1))
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371 (forward-sexp 1)
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372 (skip-chars-forward " '")
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373 (buffer-substring (point)
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374 (progn (forward-sexp 1) (point))))))
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375 ((and (memq major-mode '(c-mode c++-mode c++-c-mode objc-mode))
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376 (save-excursion (beginning-of-line)
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377 ;; Use eq instead of = here to avoid
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378 ;; error when at bob and char-after
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379 ;; returns nil.
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380 (while (eq (char-after (- (point) 2)) ?\\)
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381 (forward-line -1))
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382 (looking-at "[ \t]*#[ \t]*define[ \t]")))
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383 ;; Handle a C macro definition.
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384 (beginning-of-line)
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385 (while (eq (char-after (- (point) 2)) ?\\) ;not =; note above
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386 (forward-line -1))
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387 (search-forward "define")
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388 (skip-chars-forward " \t")
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389 (buffer-substring (point)
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390 (progn (forward-sexp 1) (point))))
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391 ((memq major-mode '(c-mode c++-mode c++-c-mode objc-mode))
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392 (beginning-of-line)
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393 ;; See if we are in the beginning part of a function,
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394 ;; before the open brace. If so, advance forward.
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395 (while (not (looking-at "{\\|\\(\\s *$\\)"))
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396 (forward-line 1))
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397 (or (eobp)
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398 (forward-char 1))
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399 (beginning-of-defun)
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400 (if (progn (end-of-defun)
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401 (< location (point)))
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402 (progn
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403 (backward-sexp 1)
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404 (let (beg tem)
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405
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406 (forward-line -1)
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407 ;; Skip back over typedefs of arglist.
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408 (while (and (not (bobp))
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409 (looking-at "[ \t\n]"))
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410 (forward-line -1))
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411 ;; See if this is using the DEFUN macro used in Emacs,
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412 ;; or the DEFUN macro used by the C library.
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413 (if (condition-case nil
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414 (and (save-excursion
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415 (end-of-line)
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416 (while (= (preceding-char) ?\\)
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417 (end-of-line 2))
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418 (backward-sexp 1)
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419 (beginning-of-line)
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420 (setq tem (point))
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421 (looking-at "DEFUN\\b"))
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422 (>= location tem))
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423 (error nil))
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424 (progn
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425 (goto-char tem)
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426 (down-list 1)
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427 (if (= (char-after (point)) ?\")
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428 (progn
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429 (forward-sexp 1)
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430 (skip-chars-forward " ,")))
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431 (buffer-substring (point)
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432 (progn (forward-sexp 1) (point))))
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433 (if (looking-at "^[+-]")
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434 (get-method-definition)
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435 ;; Ordinary C function syntax.
|
|
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436 (setq beg (point))
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|
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437 (if (and (condition-case nil
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438 ;; Protect against "Unbalanced parens" error.
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439 (progn
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440 (down-list 1) ; into arglist
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441 (backward-up-list 1)
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442 (skip-chars-backward " \t")
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|
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443 t)
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444 (error nil))
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445 ;; Verify initial pos was after
|
|
|
446 ;; real start of function.
|
|
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447 (save-excursion
|
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448 (goto-char beg)
|
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|
449 ;; For this purpose, include the line
|
|
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450 ;; that has the decl keywords. This
|
|
|
451 ;; may also include some of the
|
|
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452 ;; comments before the function.
|
|
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453 (while (and (not (bobp))
|
|
|
454 (save-excursion
|
|
|
455 (forward-line -1)
|
|
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456 (looking-at "[^\n\f]")))
|
|
|
457 (forward-line -1))
|
|
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458 (>= location (point)))
|
|
|
459 ;; Consistency check: going down and up
|
|
|
460 ;; shouldn't take us back before BEG.
|
|
|
461 (> (point) beg))
|
|
|
462 (let (end middle)
|
|
|
463 ;; Don't include any final newline
|
|
|
464 ;; in the name we use.
|
|
|
465 (if (= (preceding-char) ?\n)
|
|
|
466 (forward-char -1))
|
|
|
467 (setq end (point))
|
|
|
468 (backward-sexp 1)
|
|
|
469 ;; Now find the right beginning of the name.
|
|
|
470 ;; Include certain keywords if they
|
|
|
471 ;; precede the name.
|
|
|
472 (setq middle (point))
|
|
|
473 (forward-word -1)
|
|
|
474 ;; Ignore these subparts of a class decl
|
|
|
475 ;; and move back to the class name itself.
|
|
|
476 (while (looking-at "public \\|private ")
|
|
|
477 (skip-chars-backward " \t:")
|
|
|
478 (setq end (point))
|
|
|
479 (backward-sexp 1)
|
|
|
480 (setq middle (point))
|
|
|
481 (forward-word -1))
|
|
|
482 (and (bolp)
|
|
|
483 (looking-at "struct \\|union \\|class ")
|
|
|
484 (setq middle (point)))
|
|
|
485 (buffer-substring middle end)))))))))
|
|
|
486 ((memq major-mode
|
|
|
487 '(TeX-mode plain-TeX-mode LaTeX-mode;; tex-mode.el
|
|
|
488 plain-tex-mode latex-mode;; cmutex.el
|
|
|
489 ))
|
|
|
490 (if (re-search-backward
|
|
|
491 "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)" nil t)
|
|
|
492 (progn
|
|
|
493 (goto-char (match-beginning 0))
|
|
|
494 (buffer-substring (1+ (point));; without initial backslash
|
|
|
495 (progn
|
|
|
496 (end-of-line)
|
|
|
497 (point))))))
|
|
|
498 ((eq major-mode 'texinfo-mode)
|
|
|
499 (if (re-search-backward "^@node[ \t]+\\([^,\n]+\\)" nil t)
|
|
|
500 (buffer-substring (match-beginning 1)
|
|
|
501 (match-end 1))))
|
|
|
502 ((eq major-mode 'perl-mode)
|
|
|
503 (if (re-search-backward "^sub[ \t]+\\([^ \t\n]+\\)" nil t)
|
|
|
504 (buffer-substring (match-beginning 1)
|
|
|
505 (match-end 1))))
|
|
|
506 ((eq major-mode 'fortran-mode)
|
|
|
507 ;; must be inside function body for this to work
|
|
|
508 (beginning-of-fortran-subprogram)
|
|
|
509 (let ((case-fold-search t)) ; case-insensitive
|
|
|
510 ;; search for fortran subprogram start
|
|
|
511 (if (re-search-forward
|
|
|
512 "^[ \t]*\\(program\\|subroutine\\|function\
|
|
|
513 \\|[ \ta-z0-9*]*[ \t]+function\\)"
|
|
|
514 nil t)
|
|
|
515 (progn
|
|
|
516 ;; move to EOL or before first left paren
|
|
|
517 (if (re-search-forward "[(\n]" nil t)
|
|
|
518 (progn (forward-char -1)
|
|
|
519 (skip-chars-backward " \t"))
|
|
|
520 (end-of-line))
|
|
|
521 ;; Use the name preceding that.
|
|
|
522 (buffer-substring (point)
|
|
|
523 (progn (forward-sexp -1)
|
|
|
524 (point)))))))
|
|
|
525 (t
|
|
|
526 ;; If all else fails, try heuristics
|
|
|
527 (let (case-fold-search)
|
|
|
528 (end-of-line)
|
|
|
529 (if (re-search-backward add-log-current-defun-header-regexp
|
|
|
530 (- (point) 10000)
|
|
|
531 t)
|
|
|
532 (buffer-substring (match-beginning 1)
|
|
|
533 (match-end 1))))))))
|
|
|
534 (error nil)))
|
|
|
535
|
|
|
536 (defvar get-method-definition-md)
|
|
|
537
|
|
|
538 ;; Subroutine used within get-method-definition.
|
|
|
539 ;; Add the last match in the buffer to the end of `md',
|
|
|
540 ;; followed by the string END; move to the end of that match.
|
|
|
541 (defun get-method-definition-1 (end)
|
|
|
542 (setq get-method-definition-md
|
|
|
543 (concat get-method-definition-md
|
|
|
544 (buffer-substring (match-beginning 1) (match-end 1))
|
|
|
545 end))
|
|
|
546 (goto-char (match-end 0)))
|
|
|
547
|
|
|
548 ;; For objective C, return the method name if we are in a method.
|
|
|
549 (defun get-method-definition ()
|
|
|
550 (let ((get-method-definition-md "["))
|
|
|
551 (save-excursion
|
|
|
552 (if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t)
|
|
|
553 (get-method-definition-1 " ")))
|
|
|
554 (save-excursion
|
|
|
555 (cond
|
|
|
556 ((re-search-forward "^\\([-+]\\)[ \t\n\f\r]*\\(([^)]*)\\)?\\s-*" nil t)
|
|
|
557 (get-method-definition-1 "")
|
|
|
558 (while (not (looking-at "[{;]"))
|
|
|
559 (looking-at
|
|
|
560 "\\([A-Za-z_]*:?\\)\\s-*\\(([^)]*)\\)?[A-Za-z_]*[ \t\n\f\r]*")
|
|
|
561 (get-method-definition-1 ""))
|
|
|
562 (concat get-method-definition-md "]"))))))
|
|
|
563
|
|
|
564
|
|
|
565 (provide 'add-log)
|
|
|
566
|
|
|
567 ;;; add-log.el ends here
|
