Commit | Line | Data |
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7942b8ae | 1 | /* Primitives for word-abbrev mode. |
c6c5df7f | 2 | Copyright (C) 1985, 1986, 1993 Free Software Foundation, Inc. |
7942b8ae RS |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
c89475dc | 8 | the Free Software Foundation; either version 2, or (at your option) |
7942b8ae RS |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | ||
18160b98 | 21 | #include <config.h> |
7942b8ae | 22 | #include <stdio.h> |
7942b8ae RS |
23 | #include "lisp.h" |
24 | #include "commands.h" | |
25 | #include "buffer.h" | |
26 | #include "window.h" | |
7169beb1 | 27 | #include "syntax.h" |
7942b8ae RS |
28 | |
29 | /* An abbrev table is an obarray. | |
30 | Each defined abbrev is represented by a symbol in that obarray | |
31 | whose print name is the abbreviation. | |
32 | The symbol's value is a string which is the expansion. | |
33 | If its function definition is non-nil, it is called | |
34 | after the expansion is done. | |
35 | The plist slot of the abbrev symbol is its usage count. */ | |
36 | ||
37 | /* List of all abbrev-table name symbols: | |
38 | symbols whose values are abbrev tables. */ | |
39 | ||
40 | Lisp_Object Vabbrev_table_name_list; | |
41 | ||
42 | /* The table of global abbrevs. These are in effect | |
43 | in any buffer in which abbrev mode is turned on. */ | |
44 | ||
45 | Lisp_Object Vglobal_abbrev_table; | |
46 | ||
47 | /* The local abbrev table used by default (in Fundamental Mode buffers) */ | |
48 | ||
49 | Lisp_Object Vfundamental_mode_abbrev_table; | |
50 | ||
51 | /* Set nonzero when an abbrev definition is changed */ | |
52 | ||
53 | int abbrevs_changed; | |
54 | ||
55 | int abbrev_all_caps; | |
56 | ||
57 | /* Non-nil => use this location as the start of abbrev to expand | |
58 | (rather than taking the word before point as the abbrev) */ | |
59 | ||
60 | Lisp_Object Vabbrev_start_location; | |
61 | ||
62 | /* Buffer that Vabbrev_start_location applies to */ | |
63 | Lisp_Object Vabbrev_start_location_buffer; | |
64 | ||
65 | /* The symbol representing the abbrev most recently expanded */ | |
66 | ||
67 | Lisp_Object Vlast_abbrev; | |
68 | ||
69 | /* A string for the actual text of the abbrev most recently expanded. | |
70 | This has more info than Vlast_abbrev since case is significant. */ | |
71 | ||
72 | Lisp_Object Vlast_abbrev_text; | |
73 | ||
74 | /* Character address of start of last abbrev expanded */ | |
75 | ||
76 | int last_abbrev_point; | |
77 | ||
dbd7a969 RS |
78 | /* Hook to run before expanding any abbrev. */ |
79 | ||
80 | Lisp_Object Vpre_abbrev_expand_hook, Qpre_abbrev_expand_hook; | |
7942b8ae RS |
81 | \f |
82 | DEFUN ("make-abbrev-table", Fmake_abbrev_table, Smake_abbrev_table, 0, 0, 0, | |
83 | "Create a new, empty abbrev table object.") | |
84 | () | |
85 | { | |
86 | return Fmake_vector (make_number (59), make_number (0)); | |
87 | } | |
88 | ||
89 | DEFUN ("clear-abbrev-table", Fclear_abbrev_table, Sclear_abbrev_table, 1, 1, 0, | |
90 | "Undefine all abbrevs in abbrev table TABLE, leaving it empty.") | |
91 | (table) | |
92 | Lisp_Object table; | |
93 | { | |
94 | int i, size; | |
95 | ||
96 | CHECK_VECTOR (table, 0); | |
97 | size = XVECTOR (table)->size; | |
98 | abbrevs_changed = 1; | |
99 | for (i = 0; i < size; i++) | |
100 | XVECTOR (table)->contents[i] = make_number (0); | |
101 | return Qnil; | |
102 | } | |
103 | \f | |
104 | DEFUN ("define-abbrev", Fdefine_abbrev, Sdefine_abbrev, 3, 5, 0, | |
105 | "Define an abbrev in TABLE named NAME, to expand to EXPANSION and call HOOK.\n\ | |
106 | NAME and EXPANSION are strings.\n\ | |
107 | To undefine an abbrev, define it with EXPANSION = nil.\n\ | |
108 | If HOOK is non-nil, it should be a function of no arguments;\n\ | |
109 | it is called after EXPANSION is inserted.") | |
110 | (table, name, expansion, hook, count) | |
111 | Lisp_Object table, name, expansion, hook, count; | |
112 | { | |
113 | Lisp_Object sym, oexp, ohook, tem; | |
114 | CHECK_VECTOR (table, 0); | |
115 | CHECK_STRING (name, 1); | |
d427b66a | 116 | if (!NILP (expansion)) |
7942b8ae | 117 | CHECK_STRING (expansion, 2); |
d427b66a | 118 | if (NILP (count)) |
7942b8ae RS |
119 | count = make_number (0); |
120 | else | |
121 | CHECK_NUMBER (count, 0); | |
122 | ||
123 | sym = Fintern (name, table); | |
124 | ||
125 | oexp = XSYMBOL (sym)->value; | |
126 | ohook = XSYMBOL (sym)->function; | |
127 | if (!((EQ (oexp, expansion) | |
09e82d7c | 128 | || (STRINGP (oexp) && STRINGP (expansion) |
d427b66a | 129 | && (tem = Fstring_equal (oexp, expansion), !NILP (tem)))) |
7942b8ae RS |
130 | && |
131 | (EQ (ohook, hook) | |
d427b66a | 132 | || (tem = Fequal (ohook, hook), !NILP (tem))))) |
7942b8ae RS |
133 | abbrevs_changed = 1; |
134 | ||
135 | Fset (sym, expansion); | |
136 | Ffset (sym, hook); | |
137 | Fsetplist (sym, count); | |
138 | ||
139 | return name; | |
140 | } | |
141 | ||
142 | DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2, | |
143 | "sDefine global abbrev: \nsExpansion for %s: ", | |
144 | "Define ABBREV as a global abbreviation for EXPANSION.") | |
145 | (name, expansion) | |
146 | Lisp_Object name, expansion; | |
147 | { | |
148 | Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (name), | |
149 | expansion, Qnil, make_number (0)); | |
150 | return name; | |
151 | } | |
152 | ||
153 | DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2, | |
154 | "sDefine mode abbrev: \nsExpansion for %s: ", | |
155 | "Define ABBREV as a mode-specific abbreviation for EXPANSION.") | |
156 | (name, expansion) | |
157 | Lisp_Object name, expansion; | |
158 | { | |
d427b66a | 159 | if (NILP (current_buffer->abbrev_table)) |
7942b8ae RS |
160 | error ("Major mode has no abbrev table"); |
161 | ||
162 | Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (name), | |
163 | expansion, Qnil, make_number (0)); | |
164 | return name; | |
165 | } | |
166 | ||
167 | DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0, | |
168 | "Return the symbol representing abbrev named ABBREV.\n\ | |
169 | This symbol's name is ABBREV, but it is not the canonical symbol of that name;\n\ | |
170 | it is interned in an abbrev-table rather than the normal obarray.\n\ | |
171 | The value is nil if that abbrev is not defined.\n\ | |
172 | Optional second arg TABLE is abbrev table to look it up in.\n\ | |
173 | The default is to try buffer's mode-specific abbrev table, then global table.") | |
174 | (abbrev, table) | |
175 | Lisp_Object abbrev, table; | |
176 | { | |
177 | Lisp_Object sym; | |
178 | CHECK_STRING (abbrev, 0); | |
d427b66a | 179 | if (!NILP (table)) |
7942b8ae RS |
180 | sym = Fintern_soft (abbrev, table); |
181 | else | |
182 | { | |
183 | sym = Qnil; | |
d427b66a | 184 | if (!NILP (current_buffer->abbrev_table)) |
7942b8ae | 185 | sym = Fintern_soft (abbrev, current_buffer->abbrev_table); |
d427b66a | 186 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae | 187 | sym = Qnil; |
d427b66a | 188 | if (NILP (sym)) |
7942b8ae RS |
189 | sym = Fintern_soft (abbrev, Vglobal_abbrev_table); |
190 | } | |
d427b66a | 191 | if (NILP (XSYMBOL (sym)->value)) return Qnil; |
7942b8ae RS |
192 | return sym; |
193 | } | |
194 | ||
195 | DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0, | |
196 | "Return the string that ABBREV expands into in the current buffer.\n\ | |
197 | Optionally specify an abbrev table as second arg;\n\ | |
198 | then ABBREV is looked up in that table only.") | |
199 | (abbrev, table) | |
200 | Lisp_Object abbrev, table; | |
201 | { | |
202 | Lisp_Object sym; | |
203 | sym = Fabbrev_symbol (abbrev, table); | |
d427b66a | 204 | if (NILP (sym)) return sym; |
7942b8ae RS |
205 | return Fsymbol_value (sym); |
206 | } | |
207 | \f | |
208 | /* Expand the word before point, if it is an abbrev. | |
209 | Returns 1 if an expansion is done. */ | |
210 | ||
211 | DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "", | |
212 | "Expand the abbrev before point, if there is an abbrev there.\n\ | |
213 | Effective when explicitly called even when `abbrev-mode' is nil.\n\ | |
214 | Returns t if expansion took place.") | |
215 | () | |
216 | { | |
217 | register char *buffer, *p; | |
218 | register int wordstart, wordend, idx; | |
219 | int whitecnt; | |
220 | int uccount = 0, lccount = 0; | |
221 | register Lisp_Object sym; | |
222 | Lisp_Object expansion, hook, tem; | |
ba70da8f RS |
223 | int oldmodiff = MODIFF; |
224 | Lisp_Object value; | |
7942b8ae | 225 | |
d427b66a | 226 | if (!NILP (Vrun_hooks)) |
dbd7a969 | 227 | call1 (Vrun_hooks, Qpre_abbrev_expand_hook); |
c89475dc JB |
228 | /* If the hook changes the buffer, treat that as having "done an |
229 | expansion". */ | |
ba70da8f | 230 | value = (MODIFF != oldmodiff ? Qt : Qnil); |
dbd7a969 | 231 | |
dc7e2b30 KH |
232 | wordstart = 0; |
233 | if (!(BUFFERP (Vabbrev_start_location_buffer) && | |
234 | XBUFFER (Vabbrev_start_location_buffer) == current_buffer)) | |
7942b8ae | 235 | Vabbrev_start_location = Qnil; |
d427b66a | 236 | if (!NILP (Vabbrev_start_location)) |
7942b8ae RS |
237 | { |
238 | tem = Vabbrev_start_location; | |
239 | CHECK_NUMBER_COERCE_MARKER (tem, 0); | |
240 | wordstart = XINT (tem); | |
241 | Vabbrev_start_location = Qnil; | |
dc7e2b30 KH |
242 | if (wordstart < BEGV || wordstart > ZV) |
243 | wordstart = 0; | |
244 | if (wordstart && wordstart != ZV && FETCH_CHAR (wordstart) == '-') | |
7942b8ae RS |
245 | del_range (wordstart, wordstart + 1); |
246 | } | |
dc7e2b30 | 247 | if (!wordstart) |
7942b8ae RS |
248 | wordstart = scan_words (point, -1); |
249 | ||
250 | if (!wordstart) | |
ba70da8f | 251 | return value; |
7942b8ae RS |
252 | |
253 | wordend = scan_words (wordstart, 1); | |
254 | if (!wordend) | |
ba70da8f | 255 | return value; |
7942b8ae RS |
256 | |
257 | if (wordend > point) | |
258 | wordend = point; | |
259 | whitecnt = point - wordend; | |
260 | if (wordend <= wordstart) | |
ba70da8f | 261 | return value; |
7942b8ae RS |
262 | |
263 | p = buffer = (char *) alloca (wordend - wordstart); | |
264 | ||
2471a281 | 265 | for (idx = wordstart; idx < wordend; idx++) |
7942b8ae RS |
266 | { |
267 | register int c = FETCH_CHAR (idx); | |
268 | if (UPPERCASEP (c)) | |
269 | c = DOWNCASE (c), uccount++; | |
270 | else if (! NOCASEP (c)) | |
271 | lccount++; | |
272 | *p++ = c; | |
273 | } | |
274 | ||
09e82d7c | 275 | if (VECTORP (current_buffer->abbrev_table)) |
7942b8ae RS |
276 | sym = oblookup (current_buffer->abbrev_table, buffer, p - buffer); |
277 | else | |
2a43e2bc | 278 | XSETFASTINT (sym, 0); |
09e82d7c | 279 | if (INTEGERP (sym) || NILP (XSYMBOL (sym)->value)) |
7942b8ae | 280 | sym = oblookup (Vglobal_abbrev_table, buffer, p - buffer); |
09e82d7c | 281 | if (INTEGERP (sym) || NILP (XSYMBOL (sym)->value)) |
ba70da8f | 282 | return value; |
7942b8ae RS |
283 | |
284 | if (INTERACTIVE && !EQ (minibuf_window, selected_window)) | |
285 | { | |
aba686ed RS |
286 | /* Add an undo boundary, in case we are doing this for |
287 | a self-inserting command which has avoided making one so far. */ | |
7942b8ae RS |
288 | SET_PT (wordend); |
289 | Fundo_boundary (); | |
290 | } | |
291 | SET_PT (wordstart); | |
292 | Vlast_abbrev_text | |
293 | = Fbuffer_substring (make_number (wordstart), make_number (wordend)); | |
294 | del_range (wordstart, wordend); | |
295 | ||
296 | /* Now sym is the abbrev symbol. */ | |
297 | Vlast_abbrev = sym; | |
298 | last_abbrev_point = wordstart; | |
299 | ||
09e82d7c | 300 | if (INTEGERP (XSYMBOL (sym)->plist)) |
7942b8ae RS |
301 | XSETINT (XSYMBOL (sym)->plist, |
302 | XINT (XSYMBOL (sym)->plist) + 1); /* Increment use count */ | |
303 | ||
304 | expansion = XSYMBOL (sym)->value; | |
0c287112 | 305 | insert_from_string (expansion, 0, XSTRING (expansion)->size, 1); |
7942b8ae RS |
306 | SET_PT (point + whitecnt); |
307 | ||
308 | if (uccount && !lccount) | |
309 | { | |
310 | /* Abbrev was all caps */ | |
311 | /* If expansion is multiple words, normally capitalize each word */ | |
312 | /* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase | |
313 | but Megatest 68000 compiler can't handle that */ | |
314 | if (!abbrev_all_caps) | |
315 | if (scan_words (point, -1) > scan_words (wordstart, 1)) | |
316 | { | |
4aa6e424 KH |
317 | Fupcase_initials_region (make_number (wordstart), |
318 | make_number (point)); | |
7942b8ae RS |
319 | goto caped; |
320 | } | |
321 | /* If expansion is one word, or if user says so, upcase it all. */ | |
322 | Fupcase_region (make_number (wordstart), make_number (point)); | |
323 | caped: ; | |
324 | } | |
325 | else if (uccount) | |
326 | { | |
327 | /* Abbrev included some caps. Cap first initial of expansion */ | |
7169beb1 | 328 | int pos = wordstart; |
4d6cebd8 | 329 | |
7169beb1 RS |
330 | /* Find the initial. */ |
331 | while (pos < point | |
332 | && SYNTAX (*BUF_CHAR_ADDRESS (current_buffer, pos)) != Sword) | |
333 | pos++; | |
4d6cebd8 | 334 | |
7169beb1 RS |
335 | /* Change just that. */ |
336 | Fupcase_initials_region (make_number (pos), make_number (pos + 1)); | |
7942b8ae RS |
337 | } |
338 | ||
339 | hook = XSYMBOL (sym)->function; | |
d427b66a | 340 | if (!NILP (hook)) |
7942b8ae RS |
341 | call0 (hook); |
342 | ||
343 | return Qt; | |
344 | } | |
345 | ||
346 | DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "", | |
347 | "Undo the expansion of the last abbrev that expanded.\n\ | |
348 | This differs from ordinary undo in that other editing done since then\n\ | |
349 | is not undone.") | |
350 | () | |
351 | { | |
352 | int opoint = point; | |
353 | int adjust = 0; | |
354 | if (last_abbrev_point < BEGV | |
355 | || last_abbrev_point > ZV) | |
356 | return Qnil; | |
357 | SET_PT (last_abbrev_point); | |
09e82d7c | 358 | if (STRINGP (Vlast_abbrev_text)) |
7942b8ae RS |
359 | { |
360 | /* This isn't correct if Vlast_abbrev->function was used | |
361 | to do the expansion */ | |
362 | Lisp_Object val; | |
4458687c | 363 | val = XSYMBOL (Vlast_abbrev)->value; |
09e82d7c | 364 | if (!STRINGP (val)) |
4458687c | 365 | error ("value of abbrev-symbol must be a string"); |
7942b8ae RS |
366 | adjust = XSTRING (val)->size; |
367 | del_range (point, point + adjust); | |
0c287112 | 368 | /* Don't inherit properties here; just copy from old contents. */ |
7942b8ae | 369 | insert_from_string (Vlast_abbrev_text, 0, |
0c287112 | 370 | XSTRING (Vlast_abbrev_text)->size, 0); |
7942b8ae RS |
371 | adjust -= XSTRING (Vlast_abbrev_text)->size; |
372 | Vlast_abbrev_text = Qnil; | |
373 | } | |
374 | SET_PT (last_abbrev_point < opoint ? opoint - adjust : opoint); | |
375 | return Qnil; | |
376 | } | |
377 | \f | |
378 | static | |
379 | write_abbrev (sym, stream) | |
380 | Lisp_Object sym, stream; | |
381 | { | |
382 | Lisp_Object name; | |
d427b66a | 383 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae RS |
384 | return; |
385 | insert (" (", 5); | |
6520d056 | 386 | XSETSTRING (name, XSYMBOL (sym)->name); |
7942b8ae RS |
387 | Fprin1 (name, stream); |
388 | insert (" ", 1); | |
389 | Fprin1 (XSYMBOL (sym)->value, stream); | |
390 | insert (" ", 1); | |
391 | Fprin1 (XSYMBOL (sym)->function, stream); | |
392 | insert (" ", 1); | |
393 | Fprin1 (XSYMBOL (sym)->plist, stream); | |
394 | insert (")\n", 2); | |
395 | } | |
396 | ||
397 | static | |
398 | describe_abbrev (sym, stream) | |
399 | Lisp_Object sym, stream; | |
400 | { | |
401 | Lisp_Object one; | |
402 | ||
d427b66a | 403 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae RS |
404 | return; |
405 | one = make_number (1); | |
406 | Fprin1 (Fsymbol_name (sym), stream); | |
407 | Findent_to (make_number (15), one); | |
408 | Fprin1 (XSYMBOL (sym)->plist, stream); | |
409 | Findent_to (make_number (20), one); | |
410 | Fprin1 (XSYMBOL (sym)->value, stream); | |
d427b66a | 411 | if (!NILP (XSYMBOL (sym)->function)) |
7942b8ae RS |
412 | { |
413 | Findent_to (make_number (45), one); | |
414 | Fprin1 (XSYMBOL (sym)->function, stream); | |
415 | } | |
416 | Fterpri (stream); | |
417 | } | |
418 | ||
419 | DEFUN ("insert-abbrev-table-description", | |
420 | Finsert_abbrev_table_description, Sinsert_abbrev_table_description, | |
421 | 1, 2, 0, | |
422 | "Insert before point a full description of abbrev table named NAME.\n\ | |
423 | NAME is a symbol whose value is an abbrev table.\n\ | |
424 | If optional 2nd arg HUMAN is non-nil, a human-readable description is inserted.\n\ | |
425 | Otherwise the description is an expression,\n\ | |
426 | a call to `define-abbrev-table', which would\n\ | |
427 | define the abbrev table NAME exactly as it is currently defined.") | |
428 | (name, readable) | |
429 | Lisp_Object name, readable; | |
430 | { | |
431 | Lisp_Object table; | |
432 | Lisp_Object stream; | |
433 | ||
434 | CHECK_SYMBOL (name, 0); | |
435 | table = Fsymbol_value (name); | |
436 | CHECK_VECTOR (table, 0); | |
437 | ||
6520d056 | 438 | XSETBUFFER (stream, current_buffer); |
7942b8ae | 439 | |
d427b66a | 440 | if (!NILP (readable)) |
7942b8ae RS |
441 | { |
442 | insert_string ("("); | |
443 | Fprin1 (name, stream); | |
444 | insert_string (")\n\n"); | |
445 | map_obarray (table, describe_abbrev, stream); | |
446 | insert_string ("\n\n"); | |
447 | } | |
448 | else | |
449 | { | |
450 | insert_string ("(define-abbrev-table '"); | |
451 | Fprin1 (name, stream); | |
452 | insert_string (" '(\n"); | |
453 | map_obarray (table, write_abbrev, stream); | |
454 | insert_string (" ))\n\n"); | |
455 | } | |
456 | ||
457 | return Qnil; | |
458 | } | |
459 | \f | |
460 | DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table, | |
461 | 2, 2, 0, | |
462 | "Define TABNAME (a symbol) as an abbrev table name.\n\ | |
463 | Define abbrevs in it according to DEFINITIONS, which is a list of elements\n\ | |
464 | of the form (ABBREVNAME EXPANSION HOOK USECOUNT).") | |
465 | (tabname, defns) | |
466 | Lisp_Object tabname, defns; | |
467 | { | |
468 | Lisp_Object name, exp, hook, count; | |
469 | Lisp_Object table, elt; | |
470 | ||
471 | CHECK_SYMBOL (tabname, 0); | |
472 | table = Fboundp (tabname); | |
d427b66a | 473 | if (NILP (table) || (table = Fsymbol_value (tabname), NILP (table))) |
7942b8ae RS |
474 | { |
475 | table = Fmake_abbrev_table (); | |
476 | Fset (tabname, table); | |
477 | Vabbrev_table_name_list = | |
478 | Fcons (tabname, Vabbrev_table_name_list); | |
479 | } | |
480 | CHECK_VECTOR (table, 0); | |
481 | ||
d427b66a | 482 | for (;!NILP (defns); defns = Fcdr (defns)) |
7942b8ae RS |
483 | { |
484 | elt = Fcar (defns); | |
0292bcb1 JB |
485 | name = Fcar (elt); elt = Fcdr (elt); |
486 | exp = Fcar (elt); elt = Fcdr (elt); | |
487 | hook = Fcar (elt); elt = Fcdr (elt); | |
7942b8ae RS |
488 | count = Fcar (elt); |
489 | Fdefine_abbrev (table, name, exp, hook, count); | |
490 | } | |
491 | return Qnil; | |
492 | } | |
493 | \f | |
494 | syms_of_abbrev () | |
495 | { | |
496 | DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list, | |
497 | "List of symbols whose values are abbrev tables."); | |
498 | Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"), | |
499 | Fcons (intern ("global-abbrev-table"), | |
500 | Qnil)); | |
501 | ||
502 | DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table, | |
503 | "The abbrev table whose abbrevs affect all buffers.\n\ | |
504 | Each buffer may also have a local abbrev table.\n\ | |
505 | If it does, the local table overrides the global one\n\ | |
506 | for any particular abbrev defined in both."); | |
507 | Vglobal_abbrev_table = Fmake_abbrev_table (); | |
508 | ||
509 | DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table, | |
510 | "The abbrev table of mode-specific abbrevs for Fundamental Mode."); | |
511 | Vfundamental_mode_abbrev_table = Fmake_abbrev_table (); | |
512 | current_buffer->abbrev_table = Vfundamental_mode_abbrev_table; | |
513 | ||
514 | DEFVAR_LISP ("last-abbrev", &Vlast_abbrev, | |
515 | "The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'."); | |
516 | ||
517 | DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text, | |
518 | "The exact text of the last abbrev expanded.\n\ | |
519 | nil if the abbrev has already been unexpanded."); | |
520 | ||
521 | DEFVAR_INT ("last-abbrev-location", &last_abbrev_point, | |
522 | "The location of the start of the last abbrev expanded."); | |
523 | ||
524 | Vlast_abbrev = Qnil; | |
525 | Vlast_abbrev_text = Qnil; | |
526 | last_abbrev_point = 0; | |
527 | ||
528 | DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location, | |
529 | "Buffer position for `expand-abbrev' to use as the start of the abbrev.\n\ | |
530 | nil means use the word before point as the abbrev.\n\ | |
531 | Calling `expand-abbrev' sets this to nil."); | |
532 | Vabbrev_start_location = Qnil; | |
533 | ||
534 | DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer, | |
535 | "Buffer that `abbrev-start-location' has been set for.\n\ | |
536 | Trying to expand an abbrev in any other buffer clears `abbrev-start-location'."); | |
537 | Vabbrev_start_location_buffer = Qnil; | |
538 | ||
c89475dc | 539 | DEFVAR_PER_BUFFER ("local-abbrev-table", ¤t_buffer->abbrev_table, Qnil, |
7942b8ae RS |
540 | "Local (mode-specific) abbrev table of current buffer."); |
541 | ||
542 | DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed, | |
543 | "Set non-nil by defining or altering any word abbrevs.\n\ | |
544 | This causes `save-some-buffers' to offer to save the abbrevs."); | |
545 | abbrevs_changed = 0; | |
546 | ||
547 | DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps, | |
548 | "*Set non-nil means expand multi-word abbrevs all caps if abbrev was so."); | |
549 | abbrev_all_caps = 0; | |
550 | ||
dbd7a969 RS |
551 | DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook, |
552 | "Function or functions to be called before abbrev expansion is done.\n\ | |
553 | This is the first thing that `expand-abbrev' does, and so this may change\n\ | |
554 | the current abbrev table before abbrev lookup happens."); | |
555 | Vpre_abbrev_expand_hook = Qnil; | |
556 | Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook"); | |
557 | staticpro (&Qpre_abbrev_expand_hook); | |
558 | ||
7942b8ae RS |
559 | defsubr (&Smake_abbrev_table); |
560 | defsubr (&Sclear_abbrev_table); | |
561 | defsubr (&Sdefine_abbrev); | |
562 | defsubr (&Sdefine_global_abbrev); | |
563 | defsubr (&Sdefine_mode_abbrev); | |
564 | defsubr (&Sabbrev_expansion); | |
565 | defsubr (&Sabbrev_symbol); | |
566 | defsubr (&Sexpand_abbrev); | |
567 | defsubr (&Sunexpand_abbrev); | |
568 | defsubr (&Sinsert_abbrev_table_description); | |
569 | defsubr (&Sdefine_abbrev_table); | |
570 | } |