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428
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1 ;;; abbrev.el --- abbrev mode commands for Emacs
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2
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3 ;; Copyright (C) 1985, 1986, 1987, 1992, 1997 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: abbrev, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: FSF 19.34 (With some additions)
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs.
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30
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31 ;; This facility is documented in the Emacs Manual.
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32
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33 ;;; Code:
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34
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35 (defgroup abbrev nil
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36 "Abbreviation handling, typing shortcuts, macros."
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37 :tag "Abbreviations"
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38 :group 'editing)
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39
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40 (defgroup abbrev-mode nil
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41 "Word abbreviations mode."
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42 :group 'abbrev)
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43
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44 ;jwz: this is preloaded so don't ;;;###autoload
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45 (defcustom only-global-abbrevs nil "\
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46 *Non-nil means user plans to use global abbrevs only.
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47 Makes the commands to define mode-specific abbrevs define global ones instead."
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48 :type 'boolean
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49 :group 'abbrev)
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50
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51 ;;; XEmacs: the following block of code is not in FSF
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52 (defvar abbrev-table-name-list '()
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53 "List of symbols whose values are abbrev tables.")
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54
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55 (defvar abbrevs-changed nil
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56 "Set non-nil by defining or altering any word abbrevs.
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57 This causes `save-some-buffers' to offer to save the abbrevs.")
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58
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59 (defun make-abbrev-table ()
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60 "Return a new, empty abbrev table object."
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61 (make-vector 59 0)) ; 59 is prime
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62
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63 (defun clear-abbrev-table (table)
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64 "Undefine all abbrevs in abbrev table TABLE, leaving it empty."
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65 (fillarray table 0)
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66 (setq abbrevs-changed t)
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67 nil)
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68
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69
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444
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70 (defun define-abbrev-table (table-name definitions)
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71 "Define TABLE-NAME (a symbol) as an abbrev table name.
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428
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72 Define abbrevs in it according to DEFINITIONS, which is a list of elements
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73 of the form (ABBREVNAME EXPANSION HOOK USECOUNT)."
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444
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74 (let ((table (and (boundp table-name) (symbol-value table-name))))
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428
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75 (cond ((vectorp table))
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76 ((not table)
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77 (setq table (make-abbrev-table))
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444
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78 (set table-name table)
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79 (setq abbrev-table-name-list (cons table-name abbrev-table-name-list)))
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428
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80 (t
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444
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81 (setq table (wrong-type-argument 'vectorp table))
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82 (set table-name table)))
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83 (while definitions
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84 (apply (function define-abbrev) table (car definitions))
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85 (setq definitions (cdr definitions)))))
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428
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86
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87 (defun define-abbrev (table name &optional expansion hook count)
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88 "Define an abbrev in TABLE named NAME, to expand to EXPANSION or call HOOK.
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89 NAME and EXPANSION are strings. Hook is a function or `nil'.
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90 To undefine an abbrev, define it with an expansion of `nil'."
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446
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91 (check-type expansion (or null string))
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92 (check-type count (or null integer))
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93 (check-type table vector)
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428
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94 (let* ((sym (intern name table))
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95 (oexp (and (boundp sym) (symbol-value sym)))
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96 (ohook (and (fboundp sym) (symbol-function sym))))
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97 (unless (and (equal ohook hook)
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98 (stringp oexp)
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99 (stringp expansion)
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100 (string-equal oexp expansion))
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101 (setq abbrevs-changed t)
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102 ;; If there is a non-word character in the string, set the flag.
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103 (if (string-match "\\W" name)
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104 (set (intern " " table) nil)))
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105 (set sym expansion)
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106 (fset sym hook)
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107 (setplist sym (or count 0))
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108 name))
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109
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110
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111 ;; Fixup stuff from bootstrap def of define-abbrev-table in subr.el
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112 (let ((l abbrev-table-name-list))
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113 (while l
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114 (let ((fixup (car l)))
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115 (if (consp fixup)
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116 (progn
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117 (setq abbrev-table-name-list (delq fixup abbrev-table-name-list))
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118 (define-abbrev-table (car fixup) (cdr fixup))))
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119 (setq l (cdr l))))
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120 ;; These are no longer initialized by C code
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121 (if (not global-abbrev-table)
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122 (progn
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123 (setq global-abbrev-table (make-abbrev-table))
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124 (setq abbrev-table-name-list (cons 'global-abbrev-table
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125 abbrev-table-name-list))))
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126 (if (not fundamental-mode-abbrev-table)
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127 (progn
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128 (setq fundamental-mode-abbrev-table (make-abbrev-table))
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129 (setq abbrev-table-name-list (cons 'fundamental-mode-abbrev-table
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130 abbrev-table-name-list))))
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131 (and (eq major-mode 'fundamental-mode)
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132 (not local-abbrev-table)
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133 (setq local-abbrev-table fundamental-mode-abbrev-table)))
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134
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135
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136 (defun define-global-abbrev (name expansion)
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137 "Define ABBREV as a global abbreviation for EXPANSION."
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138 (interactive "sDefine global abbrev: \nsExpansion for %s: ")
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139 (define-abbrev global-abbrev-table
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140 (downcase name) expansion nil 0))
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141
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142 (defun define-mode-abbrev (name expansion)
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143 "Define ABBREV as a mode-specific abbreviation for EXPANSION."
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144 (interactive "sDefine mode abbrev: \nsExpansion for %s: ")
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145 (define-abbrev (or local-abbrev-table
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146 (error "Major mode has no abbrev table"))
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147 (downcase name) expansion nil 0))
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148
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149 (defun abbrev-symbol (abbrev &optional table)
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150 "Return the symbol representing abbrev named ABBREV.
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151 This symbol's name is ABBREV, but it is not the canonical symbol of that name;
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152 it is interned in an abbrev-table rather than the normal obarray.
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153 The value is nil if that abbrev is not defined.
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154 Optional second arg TABLE is abbrev table to look it up in.
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155 The default is to try buffer's mode-specific abbrev table, then global table."
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156 (let ((frob (function (lambda (table)
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157 (let ((sym (intern-soft abbrev table)))
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158 (if (and (boundp sym)
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159 (stringp (symbol-value sym)))
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160 sym
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161 nil))))))
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162 (if table
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163 (funcall frob table)
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164 (or (and local-abbrev-table
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165 (funcall frob local-abbrev-table))
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166 (funcall frob global-abbrev-table)))))
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167
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168 (defun abbrev-expansion (abbrev &optional table)
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169 "Return the string that ABBREV expands into in the current buffer.
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170 Optionally specify an abbrev table as second arg;
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171 then ABBREV is looked up in that table only."
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172 (let ((sym (abbrev-symbol abbrev table)))
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173 (if sym
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174 (symbol-value sym)
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175 nil)))
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176
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177 (defun unexpand-abbrev ()
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178 "Undo the expansion of the last abbrev that expanded.
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179 This differs from ordinary undo in that other editing done since then
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180 is not undone."
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181 (interactive)
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182 (if (or (< last-abbrev-location (point-min))
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183 (> last-abbrev-location (point-max))
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184 (not (stringp last-abbrev-text)))
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185 nil
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186 (let* ((opoint (point))
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187 (val (symbol-value last-abbrev))
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188 (adjust (length val)))
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189 ;; This isn't correct if (symbol-function last-abbrev-text)
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190 ;; was used to do the expansion
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191 (goto-char last-abbrev-location)
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192 (delete-region last-abbrev-location (+ last-abbrev-location adjust))
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193 (insert last-abbrev-text)
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194 (setq adjust (- adjust (length last-abbrev-text)))
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195 (setq last-abbrev-text nil)
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196 (if (< last-abbrev-location opoint)
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197 (goto-char (- opoint adjust))
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198 (goto-char opoint)))))
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199
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200
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201
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444
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202 (defun insert-abbrev-table-description (name &optional human-readable)
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428
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203 "Insert before point a full description of abbrev table named NAME.
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204 NAME is a symbol whose value is an abbrev table.
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444
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205 If optional second argument HUMAN-READABLE is non-nil, insert a
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206 human-readable description. Otherwise the description is an
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207 expression, a call to `define-abbrev-table', which would define the
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208 abbrev table NAME exactly as it is currently defined."
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428
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209 (let ((table (symbol-value name))
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210 (stream (current-buffer)))
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211 (message "Abbrev-table %s..." name)
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212 (if human-readable
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213 (progn
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214 (prin1 (list name) stream)
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215 ;; Need two terpri's or cretinous edit-abbrevs blows out
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216 (terpri stream)
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217 (terpri stream)
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218 (mapatoms (function (lambda (sym)
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219 (if (symbol-value sym)
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220 (let* ((n (prin1-to-string (symbol-name sym)))
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221 (pos (length n)))
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222 (princ n stream)
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223 (while (< pos 14)
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224 (write-char ?\ stream)
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225 (setq pos (1+ pos)))
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226 (princ (format " %-5S " (symbol-plist sym))
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227 stream)
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228 (if (not (symbol-function sym))
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229 (prin1 (symbol-value sym) stream)
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230 (progn
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231 (setq n (prin1-to-string (symbol-value sym))
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232 pos (+ pos 6 (length n)))
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233 (princ n stream)
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234 (while (< pos 45)
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235 (write-char ?\ stream)
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236 (setq pos (1+ pos)))
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237 (prin1 (symbol-function sym) stream)))
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238 (terpri stream)))))
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239 table)
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240 (terpri stream))
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241 (progn
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242 (princ "\(define-abbrev-table '" stream)
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243 (prin1 name stream)
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244 (princ " '\(\n" stream)
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245 (mapatoms (function (lambda (sym)
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246 (if (symbol-value sym)
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247 (progn
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248 (princ " " stream)
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249 (prin1 (list (symbol-name sym)
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250 (symbol-value sym)
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251 (symbol-function sym)
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252 (symbol-plist sym))
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253 stream)
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254 (terpri stream)))))
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255 table)
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256 (princ " \)\)\n" stream)))
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257 (terpri stream))
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258 (message ""))
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259 ;;; End code not in FSF
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260
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261 (defun abbrev-mode (arg)
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262 "Toggle abbrev mode.
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444
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263 With argument ARG, enable abbrev mode if ARG is positive, else disable.
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428
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264 In abbrev mode, inserting an abbreviation causes it to expand
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265 and be replaced by its expansion."
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266 (interactive "P")
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267 (setq abbrev-mode
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268 (if (null arg) (not abbrev-mode)
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269 (> (prefix-numeric-value arg) 0)))
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270 ;; XEmacs change
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271 (redraw-modeline))
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272
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273
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274 (defvar edit-abbrevs-map nil
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275 "Keymap used in edit-abbrevs.")
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276 (if edit-abbrevs-map
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277 nil
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278 (setq edit-abbrevs-map (make-sparse-keymap))
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279 ;; XEmacs change
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280 (set-keymap-name edit-abbrevs-map 'edit-abbrevs-map)
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281 (define-key edit-abbrevs-map "\C-x\C-s" 'edit-abbrevs-redefine)
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282 (define-key edit-abbrevs-map "\C-c\C-c" 'edit-abbrevs-redefine))
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283
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284 (defun kill-all-abbrevs ()
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285 "Undefine all defined abbrevs."
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286 (interactive)
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287 (let ((tables abbrev-table-name-list))
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288 (while tables
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289 (clear-abbrev-table (symbol-value (car tables)))
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290 (setq tables (cdr tables)))))
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291
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292 (defun insert-abbrevs ()
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293 "Insert after point a description of all defined abbrevs.
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294 Mark is set after the inserted text."
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295 (interactive)
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296 (push-mark
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297 (save-excursion
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298 (let ((tables abbrev-table-name-list))
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299 (while tables
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300 (insert-abbrev-table-description (car tables) t)
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301 (setq tables (cdr tables))))
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302 (point))))
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303
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304 (defun list-abbrevs ()
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305 "Display a list of all defined abbrevs."
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306 (interactive)
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307 (display-buffer (prepare-abbrev-list-buffer)))
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308
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309 (defun prepare-abbrev-list-buffer ()
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310 (save-excursion
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311 (set-buffer (get-buffer-create "*Abbrevs*"))
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312 (erase-buffer)
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313 (let ((tables abbrev-table-name-list))
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314 (while tables
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315 (insert-abbrev-table-description (car tables) t)
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316 (setq tables (cdr tables))))
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317 (goto-char (point-min))
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318 (set-buffer-modified-p nil)
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319 (edit-abbrevs-mode))
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320 (get-buffer-create "*Abbrevs*"))
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321
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322 (defun edit-abbrevs-mode ()
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323 "Major mode for editing the list of abbrev definitions.
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324 \\{edit-abbrevs-map}"
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325 (interactive)
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326 (setq major-mode 'edit-abbrevs-mode)
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327 (setq mode-name "Edit-Abbrevs")
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328 (use-local-map edit-abbrevs-map))
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329
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330 (defun edit-abbrevs ()
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331 "Alter abbrev definitions by editing a list of them.
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332 Selects a buffer containing a list of abbrev definitions.
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333 You can edit them and type \\<edit-abbrevs-map>\\[edit-abbrevs-redefine] to redefine abbrevs
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334 according to your editing.
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335 Buffer contains a header line for each abbrev table,
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336 which is the abbrev table name in parentheses.
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337 This is followed by one line per abbrev in that table:
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338 NAME USECOUNT EXPANSION HOOK
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339 where NAME and EXPANSION are strings with quotes,
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340 USECOUNT is an integer, and HOOK is any valid function
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341 or may be omitted (it is usually omitted)."
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342 (interactive)
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343 (switch-to-buffer (prepare-abbrev-list-buffer)))
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344
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345 (defun edit-abbrevs-redefine ()
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346 "Redefine abbrevs according to current buffer contents."
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347 (interactive)
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348 (define-abbrevs t)
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349 (set-buffer-modified-p nil))
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350
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351 (defun define-abbrevs (&optional arg)
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352 "Define abbrevs according to current visible buffer contents.
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353 See documentation of `edit-abbrevs' for info on the format of the
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354 text you must have in the buffer.
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355 With argument, eliminate all abbrev definitions except
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356 the ones defined from the buffer now."
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357 (interactive "P")
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358 (if arg (kill-all-abbrevs))
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359 (save-excursion
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360 (goto-char (point-min))
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361 (while (and (not (eobp)) (re-search-forward "^(" nil t))
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362 (let* ((buf (current-buffer))
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363 (table (read buf))
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364 abbrevs name hook exp count)
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365 (forward-line 1)
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366 (while (progn (forward-line 1)
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367 (not (eolp)))
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368 (setq name (read buf) count (read buf) exp (read buf))
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369 (skip-chars-backward " \t\n\f")
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370 (setq hook (if (not (eolp)) (read buf)))
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371 (skip-chars-backward " \t\n\f")
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372 (setq abbrevs (cons (list name exp hook count) abbrevs)))
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373 (define-abbrev-table table abbrevs)))))
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374
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375 (defun read-abbrev-file (&optional file quietly)
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376 "Read abbrev definitions from file written with `write-abbrev-file'.
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377 Optional argument FILE is the name of the file to read;
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378 it defaults to the value of `abbrev-file-name'.
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379 Optional second argument QUIETLY non-nil means don't print anything."
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380 (interactive "fRead abbrev file: ")
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381 (load (if (and file (> (length file) 0)) file abbrev-file-name)
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382 nil quietly)
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383 (setq save-abbrevs t abbrevs-changed nil))
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384
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385 (defun quietly-read-abbrev-file (&optional file)
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444
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386 "Read abbrev definitions from file written with `write-abbrev-file'.
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428
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387 Optional argument FILE is the name of the file to read;
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388 it defaults to the value of `abbrev-file-name'.
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389 Does not print anything."
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390 ;(interactive "fRead abbrev file: ")
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391 (read-abbrev-file file t))
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392
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393 (defun write-abbrev-file (file)
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394 "Write all abbrev definitions to a file of Lisp code.
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395 The file written can be loaded in another session to define the same abbrevs.
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396 The argument FILE is the file name to write."
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397 (interactive
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398 (list
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399 (read-file-name "Write abbrev file: "
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400 (file-name-directory (expand-file-name abbrev-file-name))
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401 abbrev-file-name)))
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402 (or (and file (> (length file) 0))
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403 (setq file abbrev-file-name))
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404 (save-excursion
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405 (set-buffer (get-buffer-create " write-abbrev-file"))
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406 (erase-buffer)
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407 (let ((tables abbrev-table-name-list))
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408 (while tables
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409 (insert-abbrev-table-description (car tables) nil)
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410 (setq tables (cdr tables))))
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411 (write-region 1 (point-max) file)
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412 (erase-buffer)))
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413
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442
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414 (defun abbrev-string-to-be-defined (arg)
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415 "Return the string for which an abbrev will be defined.
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416 ARG is the argument to `add-global-abbrev' or `add-mode-abbrev'."
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417 (if (and (not arg) (region-active-p)) (setq arg 0)
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418 (setq arg (prefix-numeric-value arg)))
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419 (and (>= arg 0)
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420 (buffer-substring
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421 (point)
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422 (if (= arg 0) (mark)
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446
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423 (save-excursion (backward-word arg) (point))))))
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442
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424
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428
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425 (defun add-mode-abbrev (arg)
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426 "Define mode-specific abbrev for last word(s) before point.
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427 Argument is how many words before point form the expansion;
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428 or zero means the region is the expansion.
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429 A negative argument means to undefine the specified abbrev.
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430 Reads the abbreviation in the minibuffer.
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431
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432 Don't use this function in a Lisp program; use `define-abbrev' instead."
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433 ;; XEmacs change:
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434 (interactive "P")
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435 (add-abbrev
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436 (if only-global-abbrevs
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437 global-abbrev-table
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438 (or local-abbrev-table
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439 (error "No per-mode abbrev table")))
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440 "Mode" arg))
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441
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442 (defun add-global-abbrev (arg)
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443 "Define global (all modes) abbrev for last word(s) before point.
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444 The prefix argument specifies the number of words before point that form the
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445 expansion; or zero means the region is the expansion.
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446 A negative argument means to undefine the specified abbrev.
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447 This command uses the minibuffer to read the abbreviation.
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448
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449 Don't use this function in a Lisp program; use `define-abbrev' instead."
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450 ;; XEmacs change:
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451 (interactive "P")
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452 (add-abbrev global-abbrev-table "Global" arg))
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453
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454 (defun add-abbrev (table type arg)
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444
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455 "Add an abbreviation to abbrev table TABLE.
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456 TYPE is a string describing in English the kind of abbrev this will be
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457 (typically, \"global\" or \"mode-specific\"); this is used in
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458 prompting the user. ARG is the number of words in the expansion.
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459
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460 Return the symbol that internally represents the new abbrev, or nil if
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461 the user declines to confirm redefining an existing abbrev."
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428
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462 ;; XEmacs change:
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442
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463 (let ((exp (abbrev-string-to-be-defined arg))
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428
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464 name)
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465 (setq name
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466 (read-string (format (if exp "%s abbrev for \"%s\": "
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467 "Undefine %s abbrev: ")
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468 type exp)))
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469 (set-text-properties 0 (length name) nil name)
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470 (if (or (null exp)
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471 (not (abbrev-expansion name table))
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472 (y-or-n-p (format "%s expands to \"%s\"; redefine? "
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473 name (abbrev-expansion name table))))
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474 (define-abbrev table (downcase name) exp))))
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475
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442
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476 (defun inverse-abbrev-string-to-be-defined (arg)
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477 "Return the string for which an inverse abbrev will be defined.
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478 ARG is the argument to `inverse-add-global-abbrev' or
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479 `inverse-add-mode-abbrev'."
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480 (save-excursion
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446
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481 (backward-word arg)
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442
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482 (buffer-substring (point) (progn (forward-word 1) (point)))))
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483
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428
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484 (defun inverse-add-mode-abbrev (arg)
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485 "Define last word before point as a mode-specific abbrev.
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486 With prefix argument N, defines the Nth word before point.
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487 This command uses the minibuffer to read the expansion.
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488 Expands the abbreviation after defining it."
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489 (interactive "p")
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490 (inverse-add-abbrev
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491 (if only-global-abbrevs
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492 global-abbrev-table
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493 (or local-abbrev-table
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494 (error "No per-mode abbrev table")))
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|
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495 "Mode" arg))
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496
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497 (defun inverse-add-global-abbrev (arg)
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498 "Define last word before point as a global (mode-independent) abbrev.
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|
|
499 With prefix argument N, defines the Nth word before point.
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500 This command uses the minibuffer to read the expansion.
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501 Expands the abbreviation after defining it."
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502 (interactive "p")
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503 (inverse-add-abbrev global-abbrev-table "Global" arg))
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504
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|
|
505 (defun inverse-add-abbrev (table type arg)
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506 (let (name nameloc exp)
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|
507 (save-excursion
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446
|
508 (backward-word arg)
|
|
428
|
509 (setq name (buffer-substring (point) (progn (forward-word 1)
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|
|
510 (setq nameloc (point))))))
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|
|
511 (set-text-properties 0 (length name) nil name)
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|
|
512 (setq exp (read-string (format "%s expansion for \"%s\": "
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|
|
513 type name)))
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|
|
514 (if (or (not (abbrev-expansion name table))
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|
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515 (y-or-n-p (format "%s expands to \"%s\"; redefine? "
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516 name (abbrev-expansion name table))))
|
|
|
517 (progn
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|
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518 (define-abbrev table (downcase name) exp)
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|
|
519 (save-excursion
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|
|
520 (goto-char nameloc)
|
|
|
521 (expand-abbrev))))))
|
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522
|
|
|
523 (defun abbrev-prefix-mark (&optional arg)
|
|
|
524 "Mark current point as the beginning of an abbrev.
|
|
|
525 Abbrev to be expanded starts here rather than at beginning of word.
|
|
|
526 This way, you can expand an abbrev with a prefix: insert the prefix,
|
|
|
527 use this command, then insert the abbrev."
|
|
|
528 (interactive "P")
|
|
|
529 (or arg (expand-abbrev))
|
|
|
530 (setq abbrev-start-location (point-marker)
|
|
|
531 abbrev-start-location-buffer (current-buffer))
|
|
|
532 (let ((e (make-extent (point) (point))))
|
|
|
533 (set-extent-begin-glyph e (make-glyph [string :data "-"]))))
|
|
|
534
|
|
|
535 (defun expand-region-abbrevs (start end &optional noquery)
|
|
|
536 "For abbrev occurrence in the region, offer to expand it.
|
|
|
537 The user is asked to type y or n for each occurrence.
|
|
|
538 A prefix argument means don't query; expand all abbrevs.
|
|
|
539 If called from a Lisp program, arguments are START END &optional NOQUERY."
|
|
|
540 (interactive "r\nP")
|
|
|
541 (save-excursion
|
|
|
542 (goto-char start)
|
|
|
543 (let ((lim (- (point-max) end))
|
|
|
544 pnt string)
|
|
|
545 (while (and (not (eobp))
|
|
|
546 (progn (forward-word 1)
|
|
|
547 (<= (setq pnt (point)) (- (point-max) lim))))
|
|
|
548 (if (abbrev-expansion
|
|
|
549 (setq string
|
|
|
550 (buffer-substring
|
|
446
|
551 (save-excursion (backward-word) (point))
|
|
428
|
552 pnt)))
|
|
|
553 (if (or noquery (y-or-n-p (format "Expand `%s'? " string)))
|
|
|
554 (expand-abbrev)))))))
|
|
|
555
|
|
|
556 ;;; abbrev.el ends here
|
