annotate lisp/packages/add-log.el @ 36:c53a95d3c46d r19-15b101

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date Mon, 13 Aug 2007 08:53:38 +0200
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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
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21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 ;; Boston, MA 02111-1307, USA.
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23
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24 ;;; Synched up with: FSF 19.34.
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25
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26 ;;; Commentary:
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27
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28 ;; This facility is documented in the Emacs Manual.
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29
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30 ;;; Code:
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31
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32 ;;;###autoload
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33 (defvar change-log-default-name nil
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34 "*Name of a change log file for \\[add-change-log-entry].")
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35
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36 ;;;###autoload
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37 (defvar add-log-current-defun-function nil
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38 "\
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39 *If non-nil, function to guess name of current function from surrounding text.
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40 \\[add-change-log-entry] calls this function (if nil, `add-log-current-defun'
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41 instead) with no arguments. It returns a string or nil if it cannot guess.")
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42
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43 ;;;###autoload
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44 (defvar add-log-full-name nil
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45 "*Full name of user, for inclusion in ChangeLog daily headers.
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46 This defaults to the value returned by the `user-full-name' function.")
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47
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48 ;; So that the dump-time value doesn't go into loaddefs.el with the autoload.
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49 (or add-log-full-name (setq add-log-full-name (user-full-name)))
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50
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51 ;;;###autoload
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52 (defvar add-log-mailing-address nil
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53 "*Electronic mail address of user, for inclusion in ChangeLog daily headers.
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54 This defaults to the value of `user-mail-address'.")
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55
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56 ;; So that the dump-time value doesn't go into loaddefs.el with the autoload.
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57 (or add-log-mailing-address
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58 (setq add-log-mailing-address user-mail-address))
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59
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60 (defvar change-log-font-lock-keywords
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61 '(("^[SMTWF].+" . font-lock-function-name-face) ; Date line.
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62 ("^\t\\* \\([^ :\n]+\\)" 1 font-lock-comment-face) ; File name.
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63 ("(\\([^)\n]+\\)):" 1 font-lock-keyword-face)) ; Function name.
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64 "Additional expressions to highlight in Change Log mode.")
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65 (put 'change-log-mode 'font-lock-defaults
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66 '(change-log-font-lock-keywords t))
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67
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68 (defvar change-log-mode-map nil
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69 "Keymap for Change Log major mode.")
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70 (if change-log-mode-map
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71 nil
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72 (setq change-log-mode-map (make-sparse-keymap))
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73 (define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph))
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74
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75 (defun change-log-name ()
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76 (or change-log-default-name
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77 (if (eq system-type 'vax-vms)
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78 "$CHANGE_LOG$.TXT"
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79 (if (or (eq system-type 'ms-dos) (eq system-type 'windows-nt))
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80 "changelo"
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81 "ChangeLog"))))
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82
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83 ;;;###autoload
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84 (defun prompt-for-change-log-name ()
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85 "Prompt for a change log name."
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86 (let* ((default (change-log-name))
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87 (name (expand-file-name
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88 (read-file-name (format "Log file (default %s): " default)
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89 nil default))))
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90 ;; Handle something that is syntactically a directory name.
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91 ;; Look for ChangeLog or whatever in that directory.
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92 (if (string= (file-name-nondirectory name) "")
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93 (expand-file-name (file-name-nondirectory default)
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94 name)
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95 ;; Handle specifying a file that is a directory.
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96 (if (file-directory-p name)
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97 (expand-file-name (file-name-nondirectory default)
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98 (file-name-as-directory name))
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99 name))))
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100
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101 ;;;###autoload
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102 (defun find-change-log (&optional file-name)
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103 "Find a change log file for \\[add-change-log-entry] and return the name.
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104
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105 Optional arg FILE-NAME specifies the file to use.
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106 If FILE-NAME is nil, use the value of `change-log-default-name'.
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107 If 'change-log-default-name' is nil, behave as though it were 'ChangeLog'
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108 \(or whatever we use on this operating system).
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109
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110 If 'change-log-default-name' contains a leading directory component, then
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111 simply find it in the current directory. Otherwise, search in the current
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112 directory and its successive parents for a file so named.
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113
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114 Once a file is found, `change-log-default-name' is set locally in the
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115 current buffer to the complete file name."
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116 ;; If user specified a file name or if this buffer knows which one to use,
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117 ;; just use that.
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118 (or file-name
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119 (setq file-name (and change-log-default-name
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120 (file-name-directory change-log-default-name)
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121 change-log-default-name))
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122 (progn
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123 ;; Chase links in the source file
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124 ;; and use the change log in the dir where it points.
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125 (setq file-name (or (and buffer-file-name
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126 (file-name-directory
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127 (file-chase-links buffer-file-name)))
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128 default-directory))
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129 (if (file-directory-p file-name)
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130 (setq file-name (expand-file-name (change-log-name) file-name)))
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131 ;; Chase links before visiting the file.
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132 ;; This makes it easier to use a single change log file
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133 ;; for several related directories.
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134 (setq file-name (file-chase-links file-name))
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135 (setq file-name (expand-file-name file-name))
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136 ;; Move up in the dir hierarchy till we find a change log file.
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137 (let ((file1 file-name)
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138 parent-dir)
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139 (while (and (not (or (get-file-buffer file1) (file-exists-p file1)))
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140 (progn (setq parent-dir
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141 (file-name-directory
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142 (directory-file-name
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143 (file-name-directory file1))))
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144 ;; Give up if we are already at the root dir.
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145 (not (string= (file-name-directory file1)
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146 parent-dir))))
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147 ;; Move up to the parent dir and try again.
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148 (setq file1 (expand-file-name
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149 (file-name-nondirectory (change-log-name))
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150 parent-dir)))
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151 ;; If we found a change log in a parent, use that.
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152 (if (or (get-file-buffer file1) (file-exists-p file1))
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153 (setq file-name file1)))))
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154 ;; Make a local variable in this buffer so we needn't search again.
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155 (set (make-local-variable 'change-log-default-name) file-name)
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156 file-name)
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157
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158 ;;;###autoload
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159 (defun add-change-log-entry (&optional whoami file-name other-window new-entry)
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160 "Find change log file and add an entry for today.
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161 Optional arg (interactive prefix) non-nil means prompt for user name and site.
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162 Second arg is file name of change log. If nil, uses `change-log-default-name'.
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163 Third arg OTHER-WINDOW non-nil means visit in other window.
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164 Fourth arg NEW-ENTRY non-nil means always create a new entry at the front;
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165 never append to an existing entry."
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166 (interactive (list current-prefix-arg
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167 (prompt-for-change-log-name)))
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168 (or add-log-full-name
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169 (setq add-log-full-name (user-full-name)))
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170 (or add-log-mailing-address
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171 (setq add-log-mailing-address user-mail-address))
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172 (if whoami
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173 (progn
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174 (setq add-log-full-name (read-string "Full name: " add-log-full-name))
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175 ;; Note that some sites have room and phone number fields in
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176 ;; full name which look silly when inserted. Rather than do
376386a54a3c Import from CVS: tag r19-14
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177 ;; anything about that here, let user give prefix argument so that
376386a54a3c Import from CVS: tag r19-14
cvs
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178 ;; s/he can edit the full name field in prompter if s/he wants.
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cvs
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179 (setq add-log-mailing-address
376386a54a3c Import from CVS: tag r19-14
cvs
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180 (read-string "Mailing address: " add-log-mailing-address))))
376386a54a3c Import from CVS: tag r19-14
cvs
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181 (let ((defun (funcall (or add-log-current-defun-function
376386a54a3c Import from CVS: tag r19-14
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182 'add-log-current-defun)))
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183 paragraph-end entry)
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cvs
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184
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185 (setq file-name (expand-file-name (find-change-log file-name)))
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cvs
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186
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cvs
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187 ;; Set ENTRY to the file name to use in the new entry.
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cvs
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188 (and buffer-file-name
376386a54a3c Import from CVS: tag r19-14
cvs
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189 ;; Never want to add a change log entry for the ChangeLog file itself.
376386a54a3c Import from CVS: tag r19-14
cvs
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190 (not (string= buffer-file-name file-name))
376386a54a3c Import from CVS: tag r19-14
cvs
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191 (setq entry (if (string-match
376386a54a3c Import from CVS: tag r19-14
cvs
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192 (concat "^" (regexp-quote (file-name-directory
376386a54a3c Import from CVS: tag r19-14
cvs
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193 file-name)))
376386a54a3c Import from CVS: tag r19-14
cvs
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194 buffer-file-name)
376386a54a3c Import from CVS: tag r19-14
cvs
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195 (substring buffer-file-name (match-end 0))
376386a54a3c Import from CVS: tag r19-14
cvs
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196 (file-name-nondirectory buffer-file-name))))
376386a54a3c Import from CVS: tag r19-14
cvs
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197
376386a54a3c Import from CVS: tag r19-14
cvs
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198 (if (and other-window (not (equal file-name buffer-file-name)))
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cvs
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199 (find-file-other-window file-name)
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cvs
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200 (find-file file-name))
2
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cvs
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201 (or (eq major-mode 'change-log-mode)
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202 (change-log-mode))
0
376386a54a3c Import from CVS: tag r19-14
cvs
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203 (undo-boundary)
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cvs
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204 (goto-char (point-min))
376386a54a3c Import from CVS: tag r19-14
cvs
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205 (if (looking-at (concat (regexp-quote (substring (current-time-string)
376386a54a3c Import from CVS: tag r19-14
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206 0 10))
376386a54a3c Import from CVS: tag r19-14
cvs
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207 ".* " (regexp-quote add-log-full-name)
376386a54a3c Import from CVS: tag r19-14
cvs
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208 " <" (regexp-quote add-log-mailing-address)))
376386a54a3c Import from CVS: tag r19-14
cvs
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209 (forward-line 1)
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cvs
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diff changeset
210 (insert (current-time-string)
376386a54a3c Import from CVS: tag r19-14
cvs
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211 " " add-log-full-name
376386a54a3c Import from CVS: tag r19-14
cvs
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212 " <" add-log-mailing-address ">\n\n"))
376386a54a3c Import from CVS: tag r19-14
cvs
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213
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cvs
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214 ;; Search only within the first paragraph.
376386a54a3c Import from CVS: tag r19-14
cvs
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215 (if (looking-at "\n*[^\n* \t]")
376386a54a3c Import from CVS: tag r19-14
cvs
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216 (skip-chars-forward "\n")
376386a54a3c Import from CVS: tag r19-14
cvs
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217 (forward-paragraph 1))
376386a54a3c Import from CVS: tag r19-14
cvs
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218 (setq paragraph-end (point))
376386a54a3c Import from CVS: tag r19-14
cvs
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219 (goto-char (point-min))
376386a54a3c Import from CVS: tag r19-14
cvs
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220
376386a54a3c Import from CVS: tag r19-14
cvs
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221 ;; Now insert the new line for this entry.
376386a54a3c Import from CVS: tag r19-14
cvs
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222 (cond ((re-search-forward "^\\s *\\*\\s *$" paragraph-end t)
376386a54a3c Import from CVS: tag r19-14
cvs
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223 ;; Put this file name into the existing empty entry.
376386a54a3c Import from CVS: tag r19-14
cvs
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224 (if entry
376386a54a3c Import from CVS: tag r19-14
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225 (insert entry)))
376386a54a3c Import from CVS: tag r19-14
cvs
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226 ((and (not new-entry)
376386a54a3c Import from CVS: tag r19-14
cvs
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227 (let (case-fold-search)
376386a54a3c Import from CVS: tag r19-14
cvs
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228 (re-search-forward
376386a54a3c Import from CVS: tag r19-14
cvs
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229 (concat (regexp-quote (concat "* " entry))
376386a54a3c Import from CVS: tag r19-14
cvs
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230 ;; Don't accept `foo.bar' when
376386a54a3c Import from CVS: tag r19-14
cvs
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231 ;; looking for `foo':
376386a54a3c Import from CVS: tag r19-14
cvs
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232 "\\(\\s \\|[(),:]\\)")
376386a54a3c Import from CVS: tag r19-14
cvs
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233 paragraph-end t)))
376386a54a3c Import from CVS: tag r19-14
cvs
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234 ;; Add to the existing entry for the same file.
376386a54a3c Import from CVS: tag r19-14
cvs
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235 (re-search-forward "^\\s *$\\|^\\s \\*")
376386a54a3c Import from CVS: tag r19-14
cvs
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236 (goto-char (match-beginning 0))
376386a54a3c Import from CVS: tag r19-14
cvs
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237 ;; Delete excess empty lines; make just 2.
376386a54a3c Import from CVS: tag r19-14
cvs
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238 (while (and (not (eobp)) (looking-at "^\\s *$"))
376386a54a3c Import from CVS: tag r19-14
cvs
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239 (delete-region (point) (save-excursion (forward-line 1) (point))))
376386a54a3c Import from CVS: tag r19-14
cvs
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240 (insert "\n\n")
376386a54a3c Import from CVS: tag r19-14
cvs
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241 (forward-line -2)
376386a54a3c Import from CVS: tag r19-14
cvs
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242 (indent-relative-maybe))
376386a54a3c Import from CVS: tag r19-14
cvs
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243 (t
376386a54a3c Import from CVS: tag r19-14
cvs
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244 ;; Make a new entry.
376386a54a3c Import from CVS: tag r19-14
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245 (forward-line 1)
376386a54a3c Import from CVS: tag r19-14
cvs
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246 (while (looking-at "\\sW")
376386a54a3c Import from CVS: tag r19-14
cvs
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247 (forward-line 1))
376386a54a3c Import from CVS: tag r19-14
cvs
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248 (while (and (not (eobp)) (looking-at "^\\s *$"))
376386a54a3c Import from CVS: tag r19-14
cvs
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249 (delete-region (point) (save-excursion (forward-line 1) (point))))
376386a54a3c Import from CVS: tag r19-14
cvs
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250 (insert "\n\n\n")
376386a54a3c Import from CVS: tag r19-14
cvs
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251 (forward-line -2)
376386a54a3c Import from CVS: tag r19-14
cvs
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252 (indent-to left-margin)
376386a54a3c Import from CVS: tag r19-14
cvs
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253 (insert "* " (or entry ""))))
376386a54a3c Import from CVS: tag r19-14
cvs
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254 ;; Now insert the function name, if we have one.
376386a54a3c Import from CVS: tag r19-14
cvs
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255 ;; Point is at the entry for this file,
376386a54a3c Import from CVS: tag r19-14
cvs
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256 ;; either at the end of the line or at the first blank line.
376386a54a3c Import from CVS: tag r19-14
cvs
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257 (if defun
376386a54a3c Import from CVS: tag r19-14
cvs
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258 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
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259 ;; Make it easy to get rid of the function name.
376386a54a3c Import from CVS: tag r19-14
cvs
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260 (undo-boundary)
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
261 (insert (if (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
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262 (beginning-of-line 1)
376386a54a3c Import from CVS: tag r19-14
cvs
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263 (looking-at "\\s *$"))
376386a54a3c Import from CVS: tag r19-14
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264 ""
376386a54a3c Import from CVS: tag r19-14
cvs
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265 " ")
376386a54a3c Import from CVS: tag r19-14
cvs
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266 "(" defun "): "))
376386a54a3c Import from CVS: tag r19-14
cvs
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267 ;; No function name, so put in a colon unless we have just a star.
376386a54a3c Import from CVS: tag r19-14
cvs
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268 (if (not (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
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269 (beginning-of-line 1)
376386a54a3c Import from CVS: tag r19-14
cvs
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270 (looking-at "\\s *\\(\\*\\s *\\)?$")))
376386a54a3c Import from CVS: tag r19-14
cvs
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271 (insert ": ")))))
376386a54a3c Import from CVS: tag r19-14
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272
376386a54a3c Import from CVS: tag r19-14
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273 ;;;###autoload
376386a54a3c Import from CVS: tag r19-14
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274 (defun add-change-log-entry-other-window (&optional whoami file-name)
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cvs
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275 "Find change log file in other window and add an entry for today.
376386a54a3c Import from CVS: tag r19-14
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276 Optional arg (interactive prefix) non-nil means prompt for user name and site.
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277 Second arg is file name of change log. \
376386a54a3c Import from CVS: tag r19-14
cvs
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278 If nil, uses `change-log-default-name'."
376386a54a3c Import from CVS: tag r19-14
cvs
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279 (interactive (if current-prefix-arg
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
280 (list current-prefix-arg
376386a54a3c Import from CVS: tag r19-14
cvs
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281 (prompt-for-change-log-name))))
376386a54a3c Import from CVS: tag r19-14
cvs
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282 (add-change-log-entry whoami file-name t))
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
283 ;;;###autoload (define-key ctl-x-4-map "a" 'add-change-log-entry-other-window)
376386a54a3c Import from CVS: tag r19-14
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284
376386a54a3c Import from CVS: tag r19-14
cvs
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285 (defvar change-log-mode-map nil
376386a54a3c Import from CVS: tag r19-14
cvs
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286 "Keymap for Change Log major mode.")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
287 (if change-log-mode-map
376386a54a3c Import from CVS: tag r19-14
cvs
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288 nil
376386a54a3c Import from CVS: tag r19-14
cvs
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289 (setq change-log-mode-map (make-sparse-keymap))
376386a54a3c Import from CVS: tag r19-14
cvs
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290 (set-keymap-name change-log-mode-map 'change-log-mode-map)
376386a54a3c Import from CVS: tag r19-14
cvs
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291 (define-key change-log-mode-map "\M-q" 'change-log-fill-paragraph))
376386a54a3c Import from CVS: tag r19-14
cvs
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292
376386a54a3c Import from CVS: tag r19-14
cvs
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293 ;;;###autoload
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
294 (defun change-log-mode ()
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
295 "Major mode for editing change logs; like Indented Text Mode.
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
296 Prevents numeric backups and sets `left-margin' to 8 and `fill-column' to 74.
376386a54a3c Import from CVS: tag r19-14
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297 New log entries are usually made with \\[add-change-log-entry] or \\[add-change-log-entry-other-window].
376386a54a3c Import from CVS: tag r19-14
cvs
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298 Each entry behaves as a paragraph, and the entries for one day as a page.
376386a54a3c Import from CVS: tag r19-14
cvs
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299 Runs `change-log-mode-hook'."
376386a54a3c Import from CVS: tag r19-14
cvs
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300 (interactive)
376386a54a3c Import from CVS: tag r19-14
cvs
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301 (kill-all-local-variables)
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
302 (indented-text-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
303 (setq major-mode 'change-log-mode
376386a54a3c Import from CVS: tag r19-14
cvs
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304 mode-name "Change Log"
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
305 left-margin 8
2
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
306 fill-column 74
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
307 indent-tabs-mode t
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
308 tab-width 8)
0
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
309 (use-local-map change-log-mode-map)
376386a54a3c Import from CVS: tag r19-14
cvs
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310 ;; Let each entry behave as one paragraph:
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
311 ;; We really do want "^" in paragraph-start below: it is only the lines that
376386a54a3c Import from CVS: tag r19-14
cvs
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312 ;; begin at column 0 (despite the left-margin of 8) that we are looking for.
376386a54a3c Import from CVS: tag r19-14
cvs
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313 (set (make-local-variable 'paragraph-start) "\\s *$\\|\f\\|^\\sw")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
314 (set (make-local-variable 'paragraph-separate) "\\s *$\\|\f\\|^\\sw")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
315 ;; Let all entries for one day behave as one page.
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
316 ;; Match null string on the date-line so that the date-line
376386a54a3c Import from CVS: tag r19-14
cvs
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317 ;; is grouped with what follows.
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
318 (set (make-local-variable 'page-delimiter) "^\\<\\|^\f")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
319 (set (make-local-variable 'version-control) 'never)
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
320 (set (make-local-variable 'adaptive-fill-regexp) "\\s *")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
321 (run-hooks 'change-log-mode-hook))
376386a54a3c Import from CVS: tag r19-14
cvs
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322
376386a54a3c Import from CVS: tag r19-14
cvs
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323 ;; It might be nice to have a general feature to replace this. The idea I
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
324 ;; have is a variable giving a regexp matching text which should not be
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
325 ;; moved from bol by filling. change-log-mode would set this to "^\\s *\\s(".
376386a54a3c Import from CVS: tag r19-14
cvs
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326 ;; But I don't feel up to implementing that today.
376386a54a3c Import from CVS: tag r19-14
cvs
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327 (defun change-log-fill-paragraph (&optional justify)
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
328 "Fill the paragraph, but preserve open parentheses at beginning of lines.
376386a54a3c Import from CVS: tag r19-14
cvs
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329 Prefix arg means justify as well."
376386a54a3c Import from CVS: tag r19-14
cvs
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330 (interactive "P")
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
331 (let ((end (save-excursion (forward-paragraph) (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
332 (beg (save-excursion (backward-paragraph)(point)))
376386a54a3c Import from CVS: tag r19-14
cvs
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333 (paragraph-start (concat paragraph-start "\\|\\s *\\s(")))
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
334 (fill-region beg end justify)))
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
335
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
336 (defvar add-log-current-defun-header-regexp
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
337 "^\\([A-Z][A-Z_ ]*[A-Z_]\\|[-_a-zA-Z]+\\)[ \t]*[:=]"
376386a54a3c Import from CVS: tag r19-14
cvs
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338 "*Heuristic regexp used by `add-log-current-defun' for unknown major modes.")
376386a54a3c Import from CVS: tag r19-14
cvs
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339
376386a54a3c Import from CVS: tag r19-14
cvs
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340 ;;;###autoload
376386a54a3c Import from CVS: tag r19-14
cvs
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diff changeset
341 (defun add-log-current-defun ()
376386a54a3c Import from CVS: tag r19-14
cvs
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342 "Return name of function definition point is in, or nil.
376386a54a3c Import from CVS: tag r19-14
cvs
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343
376386a54a3c Import from CVS: tag r19-14
cvs
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344 Understands C, Lisp, LaTeX (\"functions\" are chapters, sections, ...),
376386a54a3c Import from CVS: tag r19-14
cvs
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345 Texinfo (@node titles), Perl, and Fortran.
376386a54a3c Import from CVS: tag r19-14
cvs
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346
376386a54a3c Import from CVS: tag r19-14
cvs
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347 Other modes are handled by a heuristic that looks in the 10K before
376386a54a3c Import from CVS: tag r19-14
cvs
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348 point for uppercase headings starting in the first column or
376386a54a3c Import from CVS: tag r19-14
cvs
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349 identifiers followed by `:' or `=', see variable
376386a54a3c Import from CVS: tag r19-14
cvs
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350 `add-log-current-defun-header-regexp'.
376386a54a3c Import from CVS: tag r19-14
cvs
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351
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
352 Has a preference of looking backwards."
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
353 (condition-case nil
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
354 (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
355 (let ((location (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
356 (cond ((memq major-mode '(emacs-lisp-mode lisp-mode scheme-mode
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
357 lisp-interaction-mode))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
358 ;; If we are now precisely at the beginning of a defun,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
359 ;; make sure beginning-of-defun finds that one
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
360 ;; rather than the previous one.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
361 (or (eobp) (forward-char 1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
362 (beginning-of-defun)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
363 ;; Make sure we are really inside the defun found, not after it.
2
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
364 (if (and (looking-at "\\s(")
ac2d302a0011 Import from CVS: tag r19-15b2
cvs
parents: 0
diff changeset
365 (progn (end-of-defun)
0
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
366 (< location (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
367 (progn (forward-sexp -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
368 (>= location (point))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
369 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
370 (if (looking-at "\\s(")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
371 (forward-char 1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
372 (forward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
373 (skip-chars-forward " '")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
374 (buffer-substring (point)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
375 (progn (forward-sexp 1) (point))))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
376 ((and (memq major-mode '(c-mode c++-mode c++-c-mode objc-mode))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
377 (save-excursion (beginning-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
378 ;; Use eq instead of = here to avoid
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
379 ;; error when at bob and char-after
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
380 ;; returns nil.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
381 (while (eq (char-after (- (point) 2)) ?\\)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
382 (forward-line -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
383 (looking-at "[ \t]*#[ \t]*define[ \t]")))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
384 ;; Handle a C macro definition.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
385 (beginning-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
386 (while (eq (char-after (- (point) 2)) ?\\) ;not =; note above
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
387 (forward-line -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
388 (search-forward "define")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
389 (skip-chars-forward " \t")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
390 (buffer-substring (point)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
391 (progn (forward-sexp 1) (point))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
392 ((memq major-mode '(c-mode c++-mode c++-c-mode objc-mode))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
393 (beginning-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
394 ;; See if we are in the beginning part of a function,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
395 ;; before the open brace. If so, advance forward.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
396 (while (not (looking-at "{\\|\\(\\s *$\\)"))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
397 (forward-line 1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
398 (or (eobp)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
399 (forward-char 1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
400 (beginning-of-defun)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
401 (if (progn (end-of-defun)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
402 (< location (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
403 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
404 (backward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
405 (let (beg tem)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
406
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
407 (forward-line -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
408 ;; Skip back over typedefs of arglist.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
409 (while (and (not (bobp))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
410 (looking-at "[ \t\n]"))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
411 (forward-line -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
412 ;; See if this is using the DEFUN macro used in Emacs,
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
413 ;; or the DEFUN macro used by the C library.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
414 (if (condition-case nil
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
415 (and (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
416 (end-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
417 (while (= (preceding-char) ?\\)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
418 (end-of-line 2))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
419 (backward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
420 (beginning-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
421 (setq tem (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
422 (looking-at "DEFUN\\b"))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
423 (>= location tem))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
424 (error nil))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
425 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
426 (goto-char tem)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
427 (down-list 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
428 (if (= (char-after (point)) ?\")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
429 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
430 (forward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
431 (skip-chars-forward " ,")))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
432 (buffer-substring (point)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
433 (progn (forward-sexp 1) (point))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
434 (if (looking-at "^[+-]")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
435 (get-method-definition)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
436 ;; Ordinary C function syntax.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
437 (setq beg (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
438 (if (and (condition-case nil
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
439 ;; Protect against "Unbalanced parens" error.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
440 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
441 (down-list 1) ; into arglist
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
442 (backward-up-list 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
443 (skip-chars-backward " \t")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
444 t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
445 (error nil))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
446 ;; Verify initial pos was after
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
447 ;; real start of function.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
448 (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
449 (goto-char beg)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
450 ;; For this purpose, include the line
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
451 ;; that has the decl keywords. This
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
452 ;; may also include some of the
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
453 ;; comments before the function.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
454 (while (and (not (bobp))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
455 (save-excursion
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
456 (forward-line -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
457 (looking-at "[^\n\f]")))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
458 (forward-line -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
459 (>= location (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
460 ;; Consistency check: going down and up
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
461 ;; shouldn't take us back before BEG.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
462 (> (point) beg))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
463 (let (end middle)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
464 ;; Don't include any final newline
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
465 ;; in the name we use.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
466 (if (= (preceding-char) ?\n)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
467 (forward-char -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
468 (setq end (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
469 (backward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
470 ;; Now find the right beginning of the name.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
471 ;; Include certain keywords if they
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
472 ;; precede the name.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
473 (setq middle (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
474 (forward-word -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
475 ;; Ignore these subparts of a class decl
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
476 ;; and move back to the class name itself.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
477 (while (looking-at "public \\|private ")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
478 (skip-chars-backward " \t:")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
479 (setq end (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
480 (backward-sexp 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
481 (setq middle (point))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
482 (forward-word -1))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
483 (and (bolp)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
484 (looking-at "struct \\|union \\|class ")
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
485 (setq middle (point)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
486 (buffer-substring middle end)))))))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
487 ((memq major-mode
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
488 '(TeX-mode plain-TeX-mode LaTeX-mode;; tex-mode.el
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
489 plain-tex-mode latex-mode;; cmutex.el
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
490 ))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
491 (if (re-search-backward
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
492 "\\\\\\(sub\\)*\\(section\\|paragraph\\|chapter\\)" nil t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
493 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
494 (goto-char (match-beginning 0))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
495 (buffer-substring (1+ (point));; without initial backslash
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
496 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
497 (end-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
498 (point))))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
499 ((eq major-mode 'texinfo-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
500 (if (re-search-backward "^@node[ \t]+\\([^,\n]+\\)" nil t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
501 (buffer-substring (match-beginning 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
502 (match-end 1))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
503 ((eq major-mode 'perl-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
504 (if (re-search-backward "^sub[ \t]+\\([^ \t\n]+\\)" nil t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
505 (buffer-substring (match-beginning 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
506 (match-end 1))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
507 ((eq major-mode 'fortran-mode)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
508 ;; must be inside function body for this to work
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
509 (beginning-of-fortran-subprogram)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
510 (let ((case-fold-search t)) ; case-insensitive
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
511 ;; search for fortran subprogram start
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
512 (if (re-search-forward
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
513 "^[ \t]*\\(program\\|subroutine\\|function\
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
514 \\|[ \ta-z0-9*]*[ \t]+function\\)"
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
515 nil t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
516 (progn
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
517 ;; move to EOL or before first left paren
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
518 (if (re-search-forward "[(\n]" nil t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
519 (progn (forward-char -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
520 (skip-chars-backward " \t"))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
521 (end-of-line))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
522 ;; Use the name preceding that.
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
523 (buffer-substring (point)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
524 (progn (forward-sexp -1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
525 (point)))))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
526 (t
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
527 ;; If all else fails, try heuristics
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
528 (let (case-fold-search)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
529 (end-of-line)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
530 (if (re-search-backward add-log-current-defun-header-regexp
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
531 (- (point) 10000)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
532 t)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
533 (buffer-substring (match-beginning 1)
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
534 (match-end 1))))))))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
535 (error nil)))
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
diff changeset
536
376386a54a3c Import from CVS: tag r19-14
cvs
parents:
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537 (defvar get-method-definition-md)
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538
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539 ;; Subroutine used within get-method-definition.
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540 ;; Add the last match in the buffer to the end of `md',
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541 ;; followed by the string END; move to the end of that match.
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542 (defun get-method-definition-1 (end)
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543 (setq get-method-definition-md
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544 (concat get-method-definition-md
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545 (buffer-substring (match-beginning 1) (match-end 1))
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546 end))
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547 (goto-char (match-end 0)))
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548
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549 ;; For objective C, return the method name if we are in a method.
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550 (defun get-method-definition ()
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551 (let ((get-method-definition-md "["))
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552 (save-excursion
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553 (if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t)
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554 (get-method-definition-1 " ")))
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555 (save-excursion
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556 (cond
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557 ((re-search-forward "^\\([-+]\\)[ \t\n\f\r]*\\(([^)]*)\\)?\\s-*" nil t)
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558 (get-method-definition-1 "")
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559 (while (not (looking-at "[{;]"))
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560 (looking-at
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561 "\\([A-Za-z_]*:?\\)\\s-*\\(([^)]*)\\)?[A-Za-z_]*[ \t\n\f\r]*")
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562 (get-method-definition-1 ""))
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563 (concat get-method-definition-md "]"))))))
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564
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565
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566 (provide 'add-log)
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567
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568 ;;; add-log.el ends here