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428
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1 /* Primitives for word-abbrev mode.
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2 Copyright (C) 1985, 1986, 1992, 1993 Free Software Foundation, Inc.
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793
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3 Copyright (C) 2002 Ben Wing.
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428
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: FSF 19.30. Note that there are many more functions in
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23 FSF's abbrev.c. These have been moved into Lisp in XEmacs. */
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24
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25 /* Authorship:
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26
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27 FSF: Original version; a long time ago.
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28 JWZ or Mly: Mostly moved into Lisp; maybe 1992.
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29 Ben Wing: Some changes for Mule for 19.12.
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30 Hrvoje Niksic: Largely rewritten in June 1997.
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31 */
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32
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33 /* This file has been Mule-ized. */
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34
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35 #include <config.h>
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36 #include "lisp.h"
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37
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38 #include "buffer.h"
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39 #include "commands.h"
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40 #include "insdel.h"
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41 #include "syntax.h"
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42 #include "window.h"
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43
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44 /* An abbrev table is an obarray.
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45 Each defined abbrev is represented by a symbol in that obarray
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46 whose print name is the abbreviation.
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47 The symbol's value is a string which is the expansion.
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48 If its function definition is non-nil, it is called
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49 after the expansion is done.
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50 The plist slot of the abbrev symbol is its usage count. */
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51
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52 /* The table of global abbrevs. These are in effect
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53 in any buffer in which abbrev mode is turned on. */
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54 Lisp_Object Vglobal_abbrev_table;
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55
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56 int abbrev_all_caps;
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57
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58 /* Non-nil => use this location as the start of abbrev to expand
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59 (rather than taking the word before point as the abbrev) */
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60 Lisp_Object Vabbrev_start_location;
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61
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62 /* Buffer that Vabbrev_start_location applies to */
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63 Lisp_Object Vabbrev_start_location_buffer;
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64
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65 /* The symbol representing the abbrev most recently expanded */
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66 Lisp_Object Vlast_abbrev;
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67
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68 /* A string for the actual text of the abbrev most recently expanded.
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69 This has more info than Vlast_abbrev since case is significant. */
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70 Lisp_Object Vlast_abbrev_text;
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71
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72 /* Character address of start of last abbrev expanded */
|
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458
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73 Fixnum last_abbrev_location;
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428
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74
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75 /* Hook to run before expanding any abbrev. */
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76 Lisp_Object Vpre_abbrev_expand_hook, Qpre_abbrev_expand_hook;
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77
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3965
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78 Lisp_Object Qsystem_type, Qcount;
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428
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79
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826
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80 struct abbrev_match_mapper_closure
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81 {
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428
|
82 struct buffer *buf;
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826
|
83 Lisp_Object chartab;
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814
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84 Charbpos point;
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85 Charcount maxlen;
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440
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86 Lisp_Symbol *found;
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428
|
87 };
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88
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89 /* For use by abbrev_match(): Match SYMBOL's name against buffer text
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90 before point, case-insensitively. When found, return non-zero, so
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91 that map_obarray terminates mapping. */
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92 static int
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93 abbrev_match_mapper (Lisp_Object symbol, void *arg)
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94 {
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95 struct abbrev_match_mapper_closure *closure =
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96 (struct abbrev_match_mapper_closure *)arg;
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|
|
97 Charcount abbrev_length;
|
|
440
|
98 Lisp_Symbol *sym = XSYMBOL (symbol);
|
|
793
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99 Lisp_Object abbrev;
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428
|
100
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101 /* symbol_value should be OK here, because abbrevs are not expected
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102 to contain any SYMBOL_MAGIC stuff. */
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103 if (UNBOUNDP (symbol_value (sym)) || NILP (symbol_value (sym)))
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104 {
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105 /* The symbol value of nil means that abbrev got undefined. */
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106 return 0;
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107 }
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108 abbrev = symbol_name (sym);
|
|
826
|
109 abbrev_length = string_char_length (abbrev);
|
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428
|
110 if (abbrev_length > closure->maxlen)
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111 {
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112 /* This abbrev is too large -- it wouldn't fit. */
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113 return 0;
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114 }
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115 /* If `bar' is an abbrev, and a user presses `fubar<SPC>', we don't
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116 normally want to expand it. OTOH, if the abbrev begins with
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117 non-word syntax (e.g. `#if'), it is OK to abbreviate it anywhere. */
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118 if (abbrev_length < closure->maxlen && abbrev_length > 0
|
|
867
|
119 && (WORD_SYNTAX_P (closure->chartab, string_ichar (abbrev, 0)))
|
|
428
|
120 && (WORD_SYNTAX_P (closure->chartab,
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|
121 BUF_FETCH_CHAR (closure->buf,
|
|
793
|
122 closure->point -
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|
123 (abbrev_length + 1)))))
|
|
428
|
124 {
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|
125 return 0;
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|
|
126 }
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|
|
127 /* Match abbreviation string against buffer text. */
|
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|
128 {
|
|
867
|
129 Ibyte *ptr = XSTRING_DATA (abbrev);
|
|
428
|
130 Charcount idx;
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131
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132 for (idx = 0; idx < abbrev_length; idx++)
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133 {
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134 if (DOWNCASE (closure->buf,
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135 BUF_FETCH_CHAR (closure->buf,
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136 closure->point - abbrev_length + idx))
|
|
867
|
137 != DOWNCASE (closure->buf, itext_ichar (ptr)))
|
|
428
|
138 {
|
|
|
139 break;
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|
|
140 }
|
|
867
|
141 INC_IBYTEPTR (ptr);
|
|
428
|
142 }
|
|
|
143 if (idx == abbrev_length)
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|
|
144 {
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|
|
145 /* This is the one. */
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|
|
146 closure->found = sym;
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|
|
147 return 1;
|
|
|
148 }
|
|
|
149 }
|
|
|
150 return 0;
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|
|
151 }
|
|
|
152
|
|
|
153 /* Match the buffer text against names of symbols in obarray. Returns
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154 the matching symbol, or 0 if not found. */
|
|
440
|
155 static Lisp_Symbol *
|
|
428
|
156 abbrev_match (struct buffer *buf, Lisp_Object obarray)
|
|
|
157 {
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|
|
158 struct abbrev_match_mapper_closure closure;
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|
|
159
|
|
|
160 /* Precalculate some stuff, so mapper function needn't to it in each
|
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|
161 iteration. */
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|
|
162 closure.buf = buf;
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|
|
163 closure.point = BUF_PT (buf);
|
|
|
164 closure.maxlen = closure.point - BUF_BEGV (buf);
|
|
826
|
165 closure.chartab = buf->mirror_syntax_table;
|
|
428
|
166 closure.found = 0;
|
|
|
167
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|
|
168 map_obarray (obarray, abbrev_match_mapper, &closure);
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169
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|
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170 return closure.found;
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|
171 }
|
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172
|
|
|
173 /* Take the word before point (or Vabbrev_start_location, if non-nil),
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174 and look it up in OBARRAY, and return the symbol (or zero). This
|
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175 used to be the default method of searching, with the obvious
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176 limitation that the abbrevs may consist only of word characters.
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177 It is an order of magnitude faster than the proper abbrev_match(),
|
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|
178 but then again, vi is an order of magnitude faster than Emacs.
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|
179
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|
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180 This speed difference should be unnoticeable, though. I have tested
|
|
|
181 the degenerated cases of thousands of abbrevs being defined, and
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|
|
182 abbrev_match() was still fast enough for normal operation. */
|
|
440
|
183 static Lisp_Symbol *
|
|
428
|
184 abbrev_oblookup (struct buffer *buf, Lisp_Object obarray)
|
|
|
185 {
|
|
665
|
186 Charbpos wordstart, wordend;
|
|
867
|
187 Ibyte *word, *p;
|
|
814
|
188 Charbpos idx;
|
|
428
|
189 Lisp_Object lookup;
|
|
|
190
|
|
|
191 CHECK_VECTOR (obarray);
|
|
|
192
|
|
|
193 if (!NILP (Vabbrev_start_location))
|
|
|
194 {
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|
|
195 wordstart = get_buffer_pos_char (buf, Vabbrev_start_location,
|
|
|
196 GB_COERCE_RANGE);
|
|
|
197 Vabbrev_start_location = Qnil;
|
|
|
198 #if 0
|
|
|
199 /* Previously, abbrev-prefix-mark crockishly inserted a dash to
|
|
|
200 indicate the abbrev start point. It now uses an extent with
|
|
|
201 a begin glyph so there's no dash to remove. */
|
|
|
202 if (wordstart != BUF_ZV (buf)
|
|
|
203 && BUF_FETCH_CHAR (buf, wordstart) == '-')
|
|
|
204 {
|
|
|
205 buffer_delete_range (buf, wordstart, wordstart + 1, 0);
|
|
|
206 }
|
|
|
207 #endif
|
|
|
208 wordend = BUF_PT (buf);
|
|
|
209 }
|
|
|
210 else
|
|
|
211 {
|
|
665
|
212 Charbpos point = BUF_PT (buf);
|
|
428
|
213
|
|
|
214 wordstart = scan_words (buf, point, -1);
|
|
|
215 if (!wordstart)
|
|
|
216 return 0;
|
|
|
217
|
|
|
218 wordend = scan_words (buf, wordstart, 1);
|
|
|
219 if (!wordend)
|
|
|
220 return 0;
|
|
|
221 if (wordend > BUF_ZV (buf))
|
|
|
222 wordend = BUF_ZV (buf);
|
|
|
223 if (wordend > point)
|
|
|
224 wordend = point;
|
|
|
225 /* Unlike the original function, we allow expansion only after
|
|
|
226 the abbrev, not preceded by a number of spaces. This is
|
|
|
227 because of consistency with abbrev_match. */
|
|
|
228 if (wordend < point)
|
|
|
229 return 0;
|
|
|
230 }
|
|
|
231
|
|
|
232 if (wordend <= wordstart)
|
|
|
233 return 0;
|
|
|
234
|
|
2367
|
235 p = word = alloca_ibytes (MAX_ICHAR_LEN * (wordend - wordstart));
|
|
428
|
236 for (idx = wordstart; idx < wordend; idx++)
|
|
|
237 {
|
|
867
|
238 Ichar c = BUF_FETCH_CHAR (buf, idx);
|
|
428
|
239 if (UPPERCASEP (buf, c))
|
|
|
240 c = DOWNCASE (buf, c);
|
|
867
|
241 p += set_itext_ichar (p, c);
|
|
428
|
242 }
|
|
|
243 lookup = oblookup (obarray, word, p - word);
|
|
|
244 if (SYMBOLP (lookup) && !NILP (symbol_value (XSYMBOL (lookup))))
|
|
|
245 return XSYMBOL (lookup);
|
|
|
246 else
|
|
|
247 return NULL;
|
|
|
248 }
|
|
|
249
|
|
|
250 /* Return non-zero if OBARRAY contains an interned symbol ` '. */
|
|
|
251 static int
|
|
|
252 obarray_has_blank_p (Lisp_Object obarray)
|
|
|
253 {
|
|
867
|
254 return !ZEROP (oblookup (obarray, (Ibyte *)" ", 1));
|
|
428
|
255 }
|
|
|
256
|
|
|
257 /* Analyze case in the buffer substring, and report it. */
|
|
|
258 static void
|
|
665
|
259 abbrev_count_case (struct buffer *buf, Charbpos pos, Charcount length,
|
|
428
|
260 int *lccount, int *uccount)
|
|
|
261 {
|
|
|
262 *lccount = *uccount = 0;
|
|
|
263 while (length--)
|
|
|
264 {
|
|
867
|
265 Ichar c = BUF_FETCH_CHAR (buf, pos);
|
|
428
|
266 if (UPPERCASEP (buf, c))
|
|
|
267 ++*uccount;
|
|
|
268 else if (LOWERCASEP (buf, c))
|
|
|
269 ++*lccount;
|
|
|
270 ++pos;
|
|
|
271 }
|
|
|
272 }
|
|
|
273
|
|
|
274 DEFUN ("expand-abbrev", Fexpand_abbrev, 0, 0, "", /*
|
|
|
275 Expand the abbrev before point, if any.
|
|
|
276 Effective when explicitly called even when `abbrev-mode' is nil.
|
|
|
277 Returns the abbrev symbol, if expansion took place.
|
|
|
278 If no abbrev matched, but `pre-abbrev-expand-hook' changed the buffer,
|
|
|
279 returns t.
|
|
|
280 */
|
|
|
281 ())
|
|
|
282 {
|
|
|
283 /* This function can GC */
|
|
|
284 struct buffer *buf = current_buffer;
|
|
|
285 int oldmodiff = BUF_MODIFF (buf);
|
|
|
286 Lisp_Object pre_modiff_p;
|
|
665
|
287 Charbpos point; /* position of point */
|
|
|
288 Charbpos abbrev_start; /* position of abbreviation beginning */
|
|
428
|
289
|
|
440
|
290 Lisp_Symbol *(*fun) (struct buffer *, Lisp_Object);
|
|
428
|
291
|
|
440
|
292 Lisp_Symbol *abbrev_symbol;
|
|
428
|
293 Lisp_Object expansion, count, hook;
|
|
|
294 Charcount abbrev_length;
|
|
|
295 int lccount, uccount;
|
|
|
296
|
|
|
297 run_hook (Qpre_abbrev_expand_hook);
|
|
|
298 /* If the hook changes the buffer, treat that as having "done an
|
|
|
299 expansion". */
|
|
|
300 pre_modiff_p = (BUF_MODIFF (buf) != oldmodiff ? Qt : Qnil);
|
|
|
301
|
|
|
302 abbrev_symbol = NULL;
|
|
|
303 if (!BUFFERP (Vabbrev_start_location_buffer) ||
|
|
|
304 XBUFFER (Vabbrev_start_location_buffer) != buf)
|
|
|
305 Vabbrev_start_location = Qnil;
|
|
|
306 /* We use the more general abbrev_match() if the obarray blank flag
|
|
|
307 is not set, and Vabbrev_start_location is nil. Otherwise, use
|
|
|
308 abbrev_oblookup(). */
|
|
|
309 #define MATCHFUN(tbl) ((obarray_has_blank_p (tbl) \
|
|
|
310 && NILP (Vabbrev_start_location)) \
|
|
|
311 ? abbrev_match : abbrev_oblookup)
|
|
|
312 if (!NILP (buf->abbrev_table))
|
|
|
313 {
|
|
|
314 fun = MATCHFUN (buf->abbrev_table);
|
|
|
315 abbrev_symbol = fun (buf, buf->abbrev_table);
|
|
|
316 }
|
|
|
317 if (!abbrev_symbol && !NILP (Vglobal_abbrev_table))
|
|
|
318 {
|
|
|
319 fun = MATCHFUN (Vglobal_abbrev_table);
|
|
|
320 abbrev_symbol = fun (buf, Vglobal_abbrev_table);
|
|
|
321 }
|
|
|
322 if (!abbrev_symbol)
|
|
|
323 return pre_modiff_p;
|
|
|
324
|
|
|
325 /* NOTE: we hope that `pre-abbrev-expand-hook' didn't do something
|
|
|
326 nasty, such as changed the buffer. Here we protect against the
|
|
|
327 buffer getting killed. */
|
|
|
328 if (! BUFFER_LIVE_P (buf))
|
|
|
329 return Qnil;
|
|
|
330 point = BUF_PT (buf);
|
|
|
331
|
|
|
332 /* OK, we're out of the must-be-fast part. An abbreviation matched.
|
|
|
333 Now find the parameters, insert the expansion, and make it all
|
|
|
334 look pretty. */
|
|
826
|
335 abbrev_length = string_char_length (symbol_name (abbrev_symbol));
|
|
428
|
336 abbrev_start = point - abbrev_length;
|
|
|
337
|
|
|
338 expansion = symbol_value (abbrev_symbol);
|
|
|
339 CHECK_STRING (expansion);
|
|
|
340
|
|
|
341 count = symbol_plist (abbrev_symbol); /* Gag */
|
|
|
342 if (NILP (count))
|
|
|
343 count = Qzero;
|
|
|
344 else
|
|
|
345 CHECK_NATNUM (count);
|
|
|
346 symbol_plist (abbrev_symbol) = make_int (1 + XINT (count));
|
|
|
347
|
|
|
348 /* Count the case in the original text. */
|
|
|
349 abbrev_count_case (buf, abbrev_start, abbrev_length, &lccount, &uccount);
|
|
|
350
|
|
|
351 /* Remember the last abbrev text, location, etc. */
|
|
793
|
352 Vlast_abbrev = wrap_symbol (abbrev_symbol);
|
|
428
|
353 Vlast_abbrev_text =
|
|
|
354 make_string_from_buffer (buf, abbrev_start, abbrev_length);
|
|
|
355 last_abbrev_location = abbrev_start;
|
|
|
356
|
|
|
357 /* Add an undo boundary, in case we are doing this for a
|
|
|
358 self-inserting command which has avoided making one so far. */
|
|
|
359 if (INTERACTIVE)
|
|
|
360 Fundo_boundary ();
|
|
|
361
|
|
|
362 /* Remove the abbrev */
|
|
|
363 buffer_delete_range (buf, abbrev_start, point, 0);
|
|
|
364 /* And insert the expansion. */
|
|
|
365 buffer_insert_lisp_string (buf, expansion);
|
|
|
366 point = BUF_PT (buf);
|
|
|
367
|
|
|
368 /* Now fiddle with the case. */
|
|
|
369 if (uccount && !lccount)
|
|
|
370 {
|
|
|
371 /* Abbrev was all caps */
|
|
|
372 if (!abbrev_all_caps
|
|
|
373 && scan_words (buf, point, -1) > scan_words (buf, abbrev_start, 1))
|
|
|
374 {
|
|
|
375 Fupcase_initials_region (make_int (abbrev_start), make_int (point),
|
|
771
|
376 wrap_buffer (buf));
|
|
428
|
377 }
|
|
|
378 else
|
|
|
379 {
|
|
|
380 /* If expansion is one word, or if user says so, upcase it all. */
|
|
|
381 Fupcase_region (make_int (abbrev_start), make_int (point),
|
|
771
|
382 wrap_buffer (buf));
|
|
428
|
383 }
|
|
|
384 }
|
|
|
385 else if (uccount)
|
|
|
386 {
|
|
|
387 /* Abbrev included some caps. Cap first initial of expansion */
|
|
665
|
388 Charbpos pos = abbrev_start;
|
|
428
|
389 /* Find the initial. */
|
|
|
390 while (pos < point
|
|
826
|
391 && !WORD_SYNTAX_P (buf->mirror_syntax_table,
|
|
428
|
392 BUF_FETCH_CHAR (buf, pos)))
|
|
|
393 pos++;
|
|
|
394 /* Change just that. */
|
|
|
395 Fupcase_initials_region (make_int (pos), make_int (pos + 1),
|
|
771
|
396 wrap_buffer (buf));
|
|
428
|
397 }
|
|
|
398
|
|
|
399 hook = symbol_function (abbrev_symbol);
|
|
|
400 if (!NILP (hook) && !UNBOUNDP (hook))
|
|
|
401 call0 (hook);
|
|
|
402
|
|
|
403 return Vlast_abbrev;
|
|
|
404 }
|
|
|
405
|
|
3965
|
406 static void
|
|
|
407 write_abbrev (Lisp_Object sym, Lisp_Object stream)
|
|
|
408 {
|
|
|
409 Lisp_Object name, count, system_flag;
|
|
|
410 /* This function can GC */
|
|
|
411 struct buffer *buf = current_buffer;
|
|
|
412
|
|
|
413 if (INTP (XSYMBOL (sym)->plist))
|
|
|
414 {
|
|
|
415 count = XSYMBOL (sym)->plist;
|
|
|
416 system_flag = Qnil;
|
|
|
417 }
|
|
|
418 else
|
|
|
419 {
|
|
|
420 count = Fget (sym, Qcount, Qunbound);
|
|
|
421 system_flag = Fget (sym, Qsystem_type, Qunbound);
|
|
|
422 }
|
|
|
423
|
|
|
424 if (NILP (XSYMBOL_VALUE (sym)) || ! NILP (system_flag))
|
|
|
425 return;
|
|
|
426
|
|
|
427 buffer_insert_c_string (buf, " (");
|
|
|
428 name = Fsymbol_name (sym);
|
|
|
429 Fprin1 (name, stream);
|
|
|
430 buffer_insert_c_string (buf, " ");
|
|
|
431 Fprin1 (XSYMBOL_VALUE (sym), stream);
|
|
|
432 buffer_insert_c_string (buf, " ");
|
|
|
433 Fprin1 (XSYMBOL (sym)->function, stream);
|
|
|
434 buffer_insert_c_string (buf, " ");
|
|
|
435 Fprin1 (count, stream);
|
|
|
436 buffer_insert_c_string (buf, ")\n");
|
|
|
437 }
|
|
|
438
|
|
|
439 static void
|
|
|
440 describe_abbrev (Lisp_Object sym, Lisp_Object stream)
|
|
|
441 {
|
|
|
442 Lisp_Object one, count, system_flag;
|
|
|
443 /* This function can GC */
|
|
|
444 struct buffer *buf = current_buffer;
|
|
|
445
|
|
|
446 if (INTP (XSYMBOL (sym)->plist))
|
|
|
447 {
|
|
|
448 count = XSYMBOL (sym)->plist;
|
|
|
449 system_flag = Qnil;
|
|
|
450 }
|
|
|
451 else
|
|
|
452 {
|
|
|
453 count = Fget (sym, Qcount, Qunbound);
|
|
|
454 system_flag = Fget (sym, Qsystem_type, Qunbound);
|
|
|
455 }
|
|
|
456
|
|
|
457 if (NILP (XSYMBOL_VALUE (sym)))
|
|
|
458 return;
|
|
|
459
|
|
|
460 one = make_int (1);
|
|
|
461 Fprin1 (Fsymbol_name (sym), stream);
|
|
|
462
|
|
|
463 if (!NILP (system_flag))
|
|
|
464 {
|
|
|
465 buffer_insert_c_string (buf, " (sys)");
|
|
|
466 Findent_to (make_int (20), one, Qnil);
|
|
|
467 }
|
|
|
468 else
|
|
|
469 Findent_to (make_int (15), one, Qnil);
|
|
|
470
|
|
|
471 Fprin1 (count, stream);
|
|
|
472 Findent_to (make_int (20), one, Qnil);
|
|
|
473 Fprin1 (XSYMBOL_VALUE (sym), stream);
|
|
|
474 if (!NILP (XSYMBOL (sym)->function))
|
|
|
475 {
|
|
|
476 Findent_to (make_int (45), one, Qnil);
|
|
|
477 Fprin1 (XSYMBOL (sym)->function, stream);
|
|
|
478 }
|
|
|
479 buffer_insert_c_string (buf, "\n");
|
|
|
480 }
|
|
|
481
|
|
|
482 static int
|
|
|
483 record_symbol (Lisp_Object sym, void *arg)
|
|
|
484 {
|
|
|
485 Lisp_Object closure = * (Lisp_Object *) arg;
|
|
|
486 XSETCDR (closure, Fcons (sym, XCDR (closure)));
|
|
|
487 return 0; /* Never stop */
|
|
|
488 }
|
|
|
489
|
|
|
490 DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description,
|
|
|
491 1, 2, 0, /*
|
|
|
492 Insert before point a full description of abbrev table named NAME.
|
|
|
493 NAME is a symbol whose value is an abbrev table.
|
|
|
494 If optional 2nd arg READABLE is non-nil, a human-readable description
|
|
|
495 is inserted. Otherwise the description is an expression,
|
|
|
496 a call to `define-abbrev-table', which would
|
|
|
497 define the abbrev table NAME exactly as it is currently defined.
|
|
|
498
|
|
|
499 Abbrevs marked as "system abbrevs" are normally omitted. However, if
|
|
|
500 READABLE is non-nil, they are listed. */
|
|
|
501 (name, readable))
|
|
|
502 {
|
|
|
503 Lisp_Object table;
|
|
|
504 Lisp_Object symbols;
|
|
|
505 Lisp_Object stream;
|
|
|
506 /* This function can GC */
|
|
|
507 struct buffer *buf = current_buffer;
|
|
|
508
|
|
|
509 CHECK_SYMBOL (name);
|
|
|
510 table = Fsymbol_value (name);
|
|
|
511 CHECK_VECTOR (table);
|
|
|
512
|
|
|
513 /* FIXME: what's the XEmacs equivalent? APA */
|
|
|
514 /* XSETBUFFER (stream, current_buffer); */
|
|
|
515 /* Does not seem to work: */
|
|
|
516 /* Fset_buffer (stream); */
|
|
|
517 stream = wrap_buffer (current_buffer);
|
|
|
518
|
|
|
519 symbols = Fcons (Qnil, Qnil);
|
|
|
520 /* Lisp_Object closure = Fcons (Qnil, Qnil); */
|
|
|
521 /* struct gcpro gcpro1; */
|
|
|
522 /* GCPRO1 (closure); */
|
|
|
523 /* map_obarray (table, record_symbol, symbols); */
|
|
|
524 map_obarray (table, record_symbol, &symbols);
|
|
|
525 /* map_obarray (table, record_symbol, &closure); */
|
|
|
526 symbols = XCDR (symbols);
|
|
|
527 symbols = Fsort (symbols, Qstring_lessp);
|
|
|
528
|
|
|
529 if (!NILP (readable))
|
|
|
530 {
|
|
|
531 buffer_insert_c_string (buf, "(");
|
|
|
532 Fprin1 (name, stream);
|
|
|
533 buffer_insert_c_string (buf, ")\n\n");
|
|
|
534 while (! NILP (symbols))
|
|
|
535 {
|
|
|
536 describe_abbrev (XCAR (symbols), stream);
|
|
|
537 symbols = XCDR (symbols);
|
|
|
538 }
|
|
|
539
|
|
|
540 buffer_insert_c_string (buf, "\n\n");
|
|
|
541 }
|
|
|
542 else
|
|
|
543 {
|
|
|
544 buffer_insert_c_string (buf, "(define-abbrev-table '");
|
|
|
545 Fprin1 (name, stream);
|
|
|
546 buffer_insert_c_string (buf, " '(\n");
|
|
|
547 while (! NILP (symbols))
|
|
|
548 {
|
|
|
549 write_abbrev (XCAR (symbols), stream);
|
|
|
550 symbols = XCDR (symbols);
|
|
|
551 }
|
|
|
552 buffer_insert_c_string (buf, " ))\n\n");
|
|
|
553 }
|
|
|
554
|
|
|
555 return Qnil;
|
|
|
556 }
|
|
428
|
557
|
|
|
558 void
|
|
|
559 syms_of_abbrev (void)
|
|
|
560 {
|
|
3965
|
561 DEFSYMBOL(Qcount);
|
|
|
562 Qcount = intern ("count");
|
|
|
563 staticpro (&Qcount);
|
|
|
564 DEFSYMBOL(Qsystem_type);
|
|
|
565 Qsystem_type = intern ("system-type");
|
|
563
|
566 DEFSYMBOL (Qpre_abbrev_expand_hook);
|
|
428
|
567 DEFSUBR (Fexpand_abbrev);
|
|
3965
|
568 DEFSUBR (Finsert_abbrev_table_description);
|
|
428
|
569 }
|
|
|
570
|
|
|
571 void
|
|
|
572 vars_of_abbrev (void)
|
|
|
573 {
|
|
|
574 DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table /*
|
|
|
575 The abbrev table whose abbrevs affect all buffers.
|
|
|
576 Each buffer may also have a local abbrev table.
|
|
|
577 If it does, the local table overrides the global one
|
|
|
578 for any particular abbrev defined in both.
|
|
|
579 */ );
|
|
|
580 Vglobal_abbrev_table = Qnil; /* setup by Lisp code */
|
|
|
581
|
|
|
582 DEFVAR_LISP ("last-abbrev", &Vlast_abbrev /*
|
|
|
583 The abbrev-symbol of the last abbrev expanded.
|
|
|
584 See the function `abbrev-symbol'.
|
|
|
585 */ );
|
|
|
586
|
|
|
587 DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text /*
|
|
|
588 The exact text of the last abbrev expanded.
|
|
|
589 nil if the abbrev has already been unexpanded.
|
|
|
590 */ );
|
|
|
591
|
|
|
592 DEFVAR_INT ("last-abbrev-location", &last_abbrev_location /*
|
|
|
593 The location of the start of the last abbrev expanded.
|
|
|
594 */ );
|
|
|
595
|
|
|
596 Vlast_abbrev = Qnil;
|
|
|
597 Vlast_abbrev_text = Qnil;
|
|
|
598 last_abbrev_location = 0;
|
|
|
599
|
|
|
600 DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location /*
|
|
|
601 Buffer position for `expand-abbrev' to use as the start of the abbrev.
|
|
|
602 nil means use the word before point as the abbrev.
|
|
|
603 Calling `expand-abbrev' sets this to nil.
|
|
|
604 */ );
|
|
|
605 Vabbrev_start_location = Qnil;
|
|
|
606
|
|
|
607 DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer /*
|
|
|
608 Buffer that `abbrev-start-location' has been set for.
|
|
|
609 Trying to expand an abbrev in any other buffer clears `abbrev-start-location'.
|
|
|
610 */ );
|
|
|
611 Vabbrev_start_location_buffer = Qnil;
|
|
|
612
|
|
|
613 DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps /*
|
|
|
614 *Non-nil means expand multi-word abbrevs all caps if abbrev was so.
|
|
|
615 */ );
|
|
|
616 abbrev_all_caps = 0;
|
|
|
617
|
|
|
618 DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook /*
|
|
|
619 Function or functions to be called before abbrev expansion is done.
|
|
|
620 This is the first thing that `expand-abbrev' does, and so this may change
|
|
|
621 the current abbrev table before abbrev lookup happens.
|
|
|
622 */ );
|
|
|
623 Vpre_abbrev_expand_hook = Qnil;
|
|
|
624 }
|
