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