Commit | Line | Data |
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7942b8ae | 1 | /* Primitives for word-abbrev mode. |
4a2f9c6a | 2 | Copyright (C) 1985, 1986, 1993, 1996, 1998 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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
7942b8ae RS |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
7942b8ae | 23 | #include <stdio.h> |
7942b8ae RS |
24 | #include "lisp.h" |
25 | #include "commands.h" | |
26 | #include "buffer.h" | |
27 | #include "window.h" | |
7169beb1 | 28 | #include "syntax.h" |
7942b8ae RS |
29 | |
30 | /* An abbrev table is an obarray. | |
31 | Each defined abbrev is represented by a symbol in that obarray | |
32 | whose print name is the abbreviation. | |
33 | The symbol's value is a string which is the expansion. | |
34 | If its function definition is non-nil, it is called | |
35 | after the expansion is done. | |
36 | The plist slot of the abbrev symbol is its usage count. */ | |
37 | ||
38 | /* List of all abbrev-table name symbols: | |
39 | symbols whose values are abbrev tables. */ | |
40 | ||
41 | Lisp_Object Vabbrev_table_name_list; | |
42 | ||
43 | /* The table of global abbrevs. These are in effect | |
44 | in any buffer in which abbrev mode is turned on. */ | |
45 | ||
46 | Lisp_Object Vglobal_abbrev_table; | |
47 | ||
48 | /* The local abbrev table used by default (in Fundamental Mode buffers) */ | |
49 | ||
50 | Lisp_Object Vfundamental_mode_abbrev_table; | |
51 | ||
52 | /* Set nonzero when an abbrev definition is changed */ | |
53 | ||
54 | int abbrevs_changed; | |
55 | ||
56 | int abbrev_all_caps; | |
57 | ||
58 | /* Non-nil => use this location as the start of abbrev to expand | |
59 | (rather than taking the word before point as the abbrev) */ | |
60 | ||
61 | Lisp_Object Vabbrev_start_location; | |
62 | ||
63 | /* Buffer that Vabbrev_start_location applies to */ | |
64 | Lisp_Object Vabbrev_start_location_buffer; | |
65 | ||
66 | /* The symbol representing the abbrev most recently expanded */ | |
67 | ||
68 | Lisp_Object Vlast_abbrev; | |
69 | ||
70 | /* A string for the actual text of the abbrev most recently expanded. | |
71 | This has more info than Vlast_abbrev since case is significant. */ | |
72 | ||
73 | Lisp_Object Vlast_abbrev_text; | |
74 | ||
75 | /* Character address of start of last abbrev expanded */ | |
76 | ||
77 | int last_abbrev_point; | |
78 | ||
dbd7a969 RS |
79 | /* Hook to run before expanding any abbrev. */ |
80 | ||
81 | Lisp_Object Vpre_abbrev_expand_hook, Qpre_abbrev_expand_hook; | |
7942b8ae RS |
82 | \f |
83 | DEFUN ("make-abbrev-table", Fmake_abbrev_table, Smake_abbrev_table, 0, 0, 0, | |
84 | "Create a new, empty abbrev table object.") | |
85 | () | |
86 | { | |
87 | return Fmake_vector (make_number (59), make_number (0)); | |
88 | } | |
89 | ||
90 | DEFUN ("clear-abbrev-table", Fclear_abbrev_table, Sclear_abbrev_table, 1, 1, 0, | |
91 | "Undefine all abbrevs in abbrev table TABLE, leaving it empty.") | |
92 | (table) | |
93 | Lisp_Object table; | |
94 | { | |
95 | int i, size; | |
96 | ||
97 | CHECK_VECTOR (table, 0); | |
98 | size = XVECTOR (table)->size; | |
99 | abbrevs_changed = 1; | |
100 | for (i = 0; i < size; i++) | |
101 | XVECTOR (table)->contents[i] = make_number (0); | |
102 | return Qnil; | |
103 | } | |
104 | \f | |
105 | DEFUN ("define-abbrev", Fdefine_abbrev, Sdefine_abbrev, 3, 5, 0, | |
106 | "Define an abbrev in TABLE named NAME, to expand to EXPANSION and call HOOK.\n\ | |
b7734773 RS |
107 | NAME must be a string.\n\ |
108 | EXPANSION should usually be a string.\n\ | |
7942b8ae RS |
109 | To undefine an abbrev, define it with EXPANSION = nil.\n\ |
110 | If HOOK is non-nil, it should be a function of no arguments;\n\ | |
b7734773 RS |
111 | it is called after EXPANSION is inserted.\n\ |
112 | If EXPANSION is not a string, the abbrev is a special one,\n\ | |
113 | which does not expand in the usual way but only runs HOOK.") | |
7942b8ae RS |
114 | (table, name, expansion, hook, count) |
115 | Lisp_Object table, name, expansion, hook, count; | |
116 | { | |
117 | Lisp_Object sym, oexp, ohook, tem; | |
118 | CHECK_VECTOR (table, 0); | |
119 | CHECK_STRING (name, 1); | |
b7734773 | 120 | |
d427b66a | 121 | if (NILP (count)) |
7942b8ae RS |
122 | count = make_number (0); |
123 | else | |
124 | CHECK_NUMBER (count, 0); | |
125 | ||
126 | sym = Fintern (name, table); | |
127 | ||
128 | oexp = XSYMBOL (sym)->value; | |
129 | ohook = XSYMBOL (sym)->function; | |
130 | if (!((EQ (oexp, expansion) | |
09e82d7c | 131 | || (STRINGP (oexp) && STRINGP (expansion) |
d427b66a | 132 | && (tem = Fstring_equal (oexp, expansion), !NILP (tem)))) |
7942b8ae RS |
133 | && |
134 | (EQ (ohook, hook) | |
d427b66a | 135 | || (tem = Fequal (ohook, hook), !NILP (tem))))) |
7942b8ae RS |
136 | abbrevs_changed = 1; |
137 | ||
138 | Fset (sym, expansion); | |
139 | Ffset (sym, hook); | |
140 | Fsetplist (sym, count); | |
141 | ||
142 | return name; | |
143 | } | |
144 | ||
145 | DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2, | |
146 | "sDefine global abbrev: \nsExpansion for %s: ", | |
147 | "Define ABBREV as a global abbreviation for EXPANSION.") | |
78ce396a EN |
148 | (abbrev, expansion) |
149 | Lisp_Object abbrev, expansion; | |
7942b8ae | 150 | { |
78ce396a | 151 | Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (abbrev), |
7942b8ae | 152 | expansion, Qnil, make_number (0)); |
78ce396a | 153 | return abbrev; |
7942b8ae RS |
154 | } |
155 | ||
156 | DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2, | |
157 | "sDefine mode abbrev: \nsExpansion for %s: ", | |
158 | "Define ABBREV as a mode-specific abbreviation for EXPANSION.") | |
78ce396a EN |
159 | (abbrev, expansion) |
160 | Lisp_Object abbrev, expansion; | |
7942b8ae | 161 | { |
d427b66a | 162 | if (NILP (current_buffer->abbrev_table)) |
7942b8ae RS |
163 | error ("Major mode has no abbrev table"); |
164 | ||
78ce396a | 165 | Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (abbrev), |
7942b8ae | 166 | expansion, Qnil, make_number (0)); |
78ce396a | 167 | return abbrev; |
7942b8ae RS |
168 | } |
169 | ||
170 | DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0, | |
171 | "Return the symbol representing abbrev named ABBREV.\n\ | |
172 | This symbol's name is ABBREV, but it is not the canonical symbol of that name;\n\ | |
173 | it is interned in an abbrev-table rather than the normal obarray.\n\ | |
174 | The value is nil if that abbrev is not defined.\n\ | |
175 | Optional second arg TABLE is abbrev table to look it up in.\n\ | |
176 | The default is to try buffer's mode-specific abbrev table, then global table.") | |
177 | (abbrev, table) | |
178 | Lisp_Object abbrev, table; | |
179 | { | |
180 | Lisp_Object sym; | |
181 | CHECK_STRING (abbrev, 0); | |
d427b66a | 182 | if (!NILP (table)) |
7942b8ae RS |
183 | sym = Fintern_soft (abbrev, table); |
184 | else | |
185 | { | |
186 | sym = Qnil; | |
d427b66a | 187 | if (!NILP (current_buffer->abbrev_table)) |
7942b8ae | 188 | sym = Fintern_soft (abbrev, current_buffer->abbrev_table); |
d427b66a | 189 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae | 190 | sym = Qnil; |
d427b66a | 191 | if (NILP (sym)) |
7942b8ae RS |
192 | sym = Fintern_soft (abbrev, Vglobal_abbrev_table); |
193 | } | |
d427b66a | 194 | if (NILP (XSYMBOL (sym)->value)) return Qnil; |
7942b8ae RS |
195 | return sym; |
196 | } | |
197 | ||
198 | DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0, | |
199 | "Return the string that ABBREV expands into in the current buffer.\n\ | |
200 | Optionally specify an abbrev table as second arg;\n\ | |
201 | then ABBREV is looked up in that table only.") | |
202 | (abbrev, table) | |
203 | Lisp_Object abbrev, table; | |
204 | { | |
205 | Lisp_Object sym; | |
206 | sym = Fabbrev_symbol (abbrev, table); | |
d427b66a | 207 | if (NILP (sym)) return sym; |
7942b8ae RS |
208 | return Fsymbol_value (sym); |
209 | } | |
210 | \f | |
211 | /* Expand the word before point, if it is an abbrev. | |
212 | Returns 1 if an expansion is done. */ | |
213 | ||
214 | DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "", | |
215 | "Expand the abbrev before point, if there is an abbrev there.\n\ | |
216 | Effective when explicitly called even when `abbrev-mode' is nil.\n\ | |
f530ce27 | 217 | Returns the abbrev symbol, if expansion took place.") |
7942b8ae RS |
218 | () |
219 | { | |
220 | register char *buffer, *p; | |
aa406bac RS |
221 | int wordstart, wordend; |
222 | register int wordstart_byte, wordend_byte, idx; | |
7942b8ae RS |
223 | int whitecnt; |
224 | int uccount = 0, lccount = 0; | |
225 | register Lisp_Object sym; | |
226 | Lisp_Object expansion, hook, tem; | |
ba70da8f RS |
227 | int oldmodiff = MODIFF; |
228 | Lisp_Object value; | |
7942b8ae | 229 | |
f530ce27 RS |
230 | value = Qnil; |
231 | ||
d427b66a | 232 | if (!NILP (Vrun_hooks)) |
dbd7a969 RS |
233 | call1 (Vrun_hooks, Qpre_abbrev_expand_hook); |
234 | ||
dc7e2b30 | 235 | wordstart = 0; |
f530ce27 RS |
236 | if (!(BUFFERP (Vabbrev_start_location_buffer) |
237 | && XBUFFER (Vabbrev_start_location_buffer) == current_buffer)) | |
7942b8ae | 238 | Vabbrev_start_location = Qnil; |
d427b66a | 239 | if (!NILP (Vabbrev_start_location)) |
7942b8ae RS |
240 | { |
241 | tem = Vabbrev_start_location; | |
242 | CHECK_NUMBER_COERCE_MARKER (tem, 0); | |
243 | wordstart = XINT (tem); | |
244 | Vabbrev_start_location = Qnil; | |
dc7e2b30 KH |
245 | if (wordstart < BEGV || wordstart > ZV) |
246 | wordstart = 0; | |
aa406bac RS |
247 | if (wordstart && wordstart != ZV) |
248 | { | |
249 | wordstart_byte = CHAR_TO_BYTE (wordstart); | |
250 | if (FETCH_BYTE (wordstart_byte) == '-') | |
251 | del_range (wordstart, wordstart + 1); | |
252 | } | |
7942b8ae | 253 | } |
dc7e2b30 | 254 | if (!wordstart) |
6ec8bbd2 | 255 | wordstart = scan_words (PT, -1); |
7942b8ae RS |
256 | |
257 | if (!wordstart) | |
ba70da8f | 258 | return value; |
7942b8ae | 259 | |
aa406bac | 260 | wordstart_byte = CHAR_TO_BYTE (wordstart); |
7942b8ae RS |
261 | wordend = scan_words (wordstart, 1); |
262 | if (!wordend) | |
ba70da8f | 263 | return value; |
7942b8ae | 264 | |
6ec8bbd2 KH |
265 | if (wordend > PT) |
266 | wordend = PT; | |
aa406bac RS |
267 | |
268 | wordend_byte = CHAR_TO_BYTE (wordend); | |
6ec8bbd2 | 269 | whitecnt = PT - wordend; |
7942b8ae | 270 | if (wordend <= wordstart) |
ba70da8f | 271 | return value; |
7942b8ae | 272 | |
aa406bac | 273 | p = buffer = (char *) alloca (wordend_byte - wordstart_byte); |
7942b8ae | 274 | |
aa406bac | 275 | for (idx = wordstart_byte; idx < wordend_byte; idx++) |
7942b8ae | 276 | { |
aa406bac | 277 | /* ??? This loop needs to go by characters! */ |
fc44dfab | 278 | register int c = FETCH_BYTE (idx); |
7942b8ae RS |
279 | if (UPPERCASEP (c)) |
280 | c = DOWNCASE (c), uccount++; | |
281 | else if (! NOCASEP (c)) | |
282 | lccount++; | |
283 | *p++ = c; | |
284 | } | |
285 | ||
09e82d7c | 286 | if (VECTORP (current_buffer->abbrev_table)) |
fc412686 RS |
287 | sym = oblookup (current_buffer->abbrev_table, buffer, |
288 | wordend - wordstart, wordend_byte - wordstart_byte); | |
7942b8ae | 289 | else |
2a43e2bc | 290 | XSETFASTINT (sym, 0); |
09e82d7c | 291 | if (INTEGERP (sym) || NILP (XSYMBOL (sym)->value)) |
fc412686 RS |
292 | sym = oblookup (Vglobal_abbrev_table, buffer, |
293 | wordend - wordstart, wordend_byte - wordstart_byte); | |
09e82d7c | 294 | if (INTEGERP (sym) || NILP (XSYMBOL (sym)->value)) |
ba70da8f | 295 | return value; |
7942b8ae RS |
296 | |
297 | if (INTERACTIVE && !EQ (minibuf_window, selected_window)) | |
298 | { | |
aba686ed RS |
299 | /* Add an undo boundary, in case we are doing this for |
300 | a self-inserting command which has avoided making one so far. */ | |
7942b8ae RS |
301 | SET_PT (wordend); |
302 | Fundo_boundary (); | |
303 | } | |
b7734773 | 304 | |
7942b8ae RS |
305 | Vlast_abbrev_text |
306 | = Fbuffer_substring (make_number (wordstart), make_number (wordend)); | |
7942b8ae | 307 | |
b7734773 | 308 | /* Now sym is the abbrev symbol. */ |
7942b8ae | 309 | Vlast_abbrev = sym; |
f530ce27 | 310 | value = sym; |
7942b8ae RS |
311 | last_abbrev_point = wordstart; |
312 | ||
09e82d7c | 313 | if (INTEGERP (XSYMBOL (sym)->plist)) |
7942b8ae RS |
314 | XSETINT (XSYMBOL (sym)->plist, |
315 | XINT (XSYMBOL (sym)->plist) + 1); /* Increment use count */ | |
316 | ||
b7734773 RS |
317 | /* If this abbrev has an expansion, delete the abbrev |
318 | and insert the expansion. */ | |
7942b8ae | 319 | expansion = XSYMBOL (sym)->value; |
b7734773 | 320 | if (STRINGP (expansion)) |
7942b8ae | 321 | { |
b7734773 RS |
322 | SET_PT (wordstart); |
323 | ||
bc69581b | 324 | del_range_both (wordstart, wordstart_byte, wordend, wordend_byte, 1); |
b7734773 | 325 | |
fc412686 | 326 | insert_from_string (expansion, 0, 0, XSTRING (expansion)->size, |
fc932ac6 | 327 | STRING_BYTES (XSTRING (expansion)), 1); |
b7734773 RS |
328 | SET_PT (PT + whitecnt); |
329 | ||
330 | if (uccount && !lccount) | |
331 | { | |
332 | /* Abbrev was all caps */ | |
333 | /* If expansion is multiple words, normally capitalize each word */ | |
334 | /* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase | |
335 | but Megatest 68000 compiler can't handle that */ | |
336 | if (!abbrev_all_caps) | |
337 | if (scan_words (PT, -1) > scan_words (wordstart, 1)) | |
338 | { | |
339 | Fupcase_initials_region (make_number (wordstart), | |
340 | make_number (PT)); | |
341 | goto caped; | |
342 | } | |
343 | /* If expansion is one word, or if user says so, upcase it all. */ | |
344 | Fupcase_region (make_number (wordstart), make_number (PT)); | |
345 | caped: ; | |
346 | } | |
347 | else if (uccount) | |
348 | { | |
349 | /* Abbrev included some caps. Cap first initial of expansion */ | |
aa406bac | 350 | int pos = wordstart_byte; |
b7734773 RS |
351 | |
352 | /* Find the initial. */ | |
aa406bac RS |
353 | while (pos < PT_BYTE |
354 | && SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword) | |
b7734773 RS |
355 | pos++; |
356 | ||
357 | /* Change just that. */ | |
aa406bac | 358 | pos = BYTE_TO_CHAR (pos); |
b7734773 RS |
359 | Fupcase_initials_region (make_number (pos), make_number (pos + 1)); |
360 | } | |
7942b8ae RS |
361 | } |
362 | ||
363 | hook = XSYMBOL (sym)->function; | |
d427b66a | 364 | if (!NILP (hook)) |
7942b8ae RS |
365 | call0 (hook); |
366 | ||
f530ce27 | 367 | return value; |
7942b8ae RS |
368 | } |
369 | ||
370 | DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "", | |
371 | "Undo the expansion of the last abbrev that expanded.\n\ | |
372 | This differs from ordinary undo in that other editing done since then\n\ | |
373 | is not undone.") | |
374 | () | |
375 | { | |
6ec8bbd2 | 376 | int opoint = PT; |
7942b8ae RS |
377 | int adjust = 0; |
378 | if (last_abbrev_point < BEGV | |
379 | || last_abbrev_point > ZV) | |
380 | return Qnil; | |
381 | SET_PT (last_abbrev_point); | |
09e82d7c | 382 | if (STRINGP (Vlast_abbrev_text)) |
7942b8ae RS |
383 | { |
384 | /* This isn't correct if Vlast_abbrev->function was used | |
385 | to do the expansion */ | |
386 | Lisp_Object val; | |
aa406bac RS |
387 | int zv_before; |
388 | ||
4458687c | 389 | val = XSYMBOL (Vlast_abbrev)->value; |
09e82d7c | 390 | if (!STRINGP (val)) |
4458687c | 391 | error ("value of abbrev-symbol must be a string"); |
aa406bac | 392 | zv_before = ZV; |
fc932ac6 | 393 | del_range_byte (PT_BYTE, PT_BYTE + STRING_BYTES (XSTRING (val)), 1); |
0c287112 | 394 | /* Don't inherit properties here; just copy from old contents. */ |
fc412686 RS |
395 | insert_from_string (Vlast_abbrev_text, 0, 0, |
396 | XSTRING (Vlast_abbrev_text)->size, | |
fc932ac6 | 397 | STRING_BYTES (XSTRING (Vlast_abbrev_text)), 0); |
7942b8ae | 398 | Vlast_abbrev_text = Qnil; |
aa406bac RS |
399 | /* Total number of characters deleted. */ |
400 | adjust = ZV - zv_before; | |
7942b8ae RS |
401 | } |
402 | SET_PT (last_abbrev_point < opoint ? opoint - adjust : opoint); | |
403 | return Qnil; | |
404 | } | |
405 | \f | |
aa406bac | 406 | static void |
7942b8ae RS |
407 | write_abbrev (sym, stream) |
408 | Lisp_Object sym, stream; | |
409 | { | |
410 | Lisp_Object name; | |
d427b66a | 411 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae RS |
412 | return; |
413 | insert (" (", 5); | |
6520d056 | 414 | XSETSTRING (name, XSYMBOL (sym)->name); |
7942b8ae RS |
415 | Fprin1 (name, stream); |
416 | insert (" ", 1); | |
417 | Fprin1 (XSYMBOL (sym)->value, stream); | |
418 | insert (" ", 1); | |
419 | Fprin1 (XSYMBOL (sym)->function, stream); | |
420 | insert (" ", 1); | |
421 | Fprin1 (XSYMBOL (sym)->plist, stream); | |
422 | insert (")\n", 2); | |
423 | } | |
424 | ||
aa406bac | 425 | static void |
7942b8ae RS |
426 | describe_abbrev (sym, stream) |
427 | Lisp_Object sym, stream; | |
428 | { | |
429 | Lisp_Object one; | |
430 | ||
d427b66a | 431 | if (NILP (XSYMBOL (sym)->value)) |
7942b8ae RS |
432 | return; |
433 | one = make_number (1); | |
434 | Fprin1 (Fsymbol_name (sym), stream); | |
435 | Findent_to (make_number (15), one); | |
436 | Fprin1 (XSYMBOL (sym)->plist, stream); | |
437 | Findent_to (make_number (20), one); | |
438 | Fprin1 (XSYMBOL (sym)->value, stream); | |
d427b66a | 439 | if (!NILP (XSYMBOL (sym)->function)) |
7942b8ae RS |
440 | { |
441 | Findent_to (make_number (45), one); | |
442 | Fprin1 (XSYMBOL (sym)->function, stream); | |
443 | } | |
444 | Fterpri (stream); | |
445 | } | |
446 | ||
a0d76c27 EN |
447 | DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description, |
448 | Sinsert_abbrev_table_description, 1, 2, 0, | |
7942b8ae RS |
449 | "Insert before point a full description of abbrev table named NAME.\n\ |
450 | NAME is a symbol whose value is an abbrev table.\n\ | |
78ce396a EN |
451 | If optional 2nd arg READABLE is non-nil, a human-readable description\n\ |
452 | is inserted. Otherwise the description is an expression,\n\ | |
7942b8ae RS |
453 | a call to `define-abbrev-table', which would\n\ |
454 | define the abbrev table NAME exactly as it is currently defined.") | |
455 | (name, readable) | |
456 | Lisp_Object name, readable; | |
457 | { | |
458 | Lisp_Object table; | |
459 | Lisp_Object stream; | |
460 | ||
461 | CHECK_SYMBOL (name, 0); | |
462 | table = Fsymbol_value (name); | |
463 | CHECK_VECTOR (table, 0); | |
464 | ||
6520d056 | 465 | XSETBUFFER (stream, current_buffer); |
7942b8ae | 466 | |
d427b66a | 467 | if (!NILP (readable)) |
7942b8ae RS |
468 | { |
469 | insert_string ("("); | |
470 | Fprin1 (name, stream); | |
471 | insert_string (")\n\n"); | |
472 | map_obarray (table, describe_abbrev, stream); | |
473 | insert_string ("\n\n"); | |
474 | } | |
475 | else | |
476 | { | |
477 | insert_string ("(define-abbrev-table '"); | |
478 | Fprin1 (name, stream); | |
479 | insert_string (" '(\n"); | |
480 | map_obarray (table, write_abbrev, stream); | |
481 | insert_string (" ))\n\n"); | |
482 | } | |
483 | ||
484 | return Qnil; | |
485 | } | |
486 | \f | |
487 | DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table, | |
488 | 2, 2, 0, | |
78ce396a | 489 | "Define TABLENAME (a symbol) as an abbrev table name.\n\ |
7942b8ae RS |
490 | Define abbrevs in it according to DEFINITIONS, which is a list of elements\n\ |
491 | of the form (ABBREVNAME EXPANSION HOOK USECOUNT).") | |
b9d613cc KH |
492 | (tablename, definitions) |
493 | Lisp_Object tablename, definitions; | |
7942b8ae RS |
494 | { |
495 | Lisp_Object name, exp, hook, count; | |
496 | Lisp_Object table, elt; | |
497 | ||
78ce396a EN |
498 | CHECK_SYMBOL (tablename, 0); |
499 | table = Fboundp (tablename); | |
500 | if (NILP (table) || (table = Fsymbol_value (tablename), NILP (table))) | |
7942b8ae RS |
501 | { |
502 | table = Fmake_abbrev_table (); | |
78ce396a | 503 | Fset (tablename, table); |
b9d613cc | 504 | Vabbrev_table_name_list = Fcons (tablename, Vabbrev_table_name_list); |
7942b8ae RS |
505 | } |
506 | CHECK_VECTOR (table, 0); | |
507 | ||
b9d613cc | 508 | for (; !NILP (definitions); definitions = Fcdr (definitions)) |
7942b8ae | 509 | { |
78ce396a | 510 | elt = Fcar (definitions); |
0292bcb1 JB |
511 | name = Fcar (elt); elt = Fcdr (elt); |
512 | exp = Fcar (elt); elt = Fcdr (elt); | |
513 | hook = Fcar (elt); elt = Fcdr (elt); | |
7942b8ae RS |
514 | count = Fcar (elt); |
515 | Fdefine_abbrev (table, name, exp, hook, count); | |
516 | } | |
517 | return Qnil; | |
518 | } | |
519 | \f | |
dfcf069d | 520 | void |
7942b8ae RS |
521 | syms_of_abbrev () |
522 | { | |
523 | DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list, | |
524 | "List of symbols whose values are abbrev tables."); | |
525 | Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"), | |
526 | Fcons (intern ("global-abbrev-table"), | |
527 | Qnil)); | |
528 | ||
529 | DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table, | |
530 | "The abbrev table whose abbrevs affect all buffers.\n\ | |
531 | Each buffer may also have a local abbrev table.\n\ | |
532 | If it does, the local table overrides the global one\n\ | |
533 | for any particular abbrev defined in both."); | |
534 | Vglobal_abbrev_table = Fmake_abbrev_table (); | |
535 | ||
536 | DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table, | |
537 | "The abbrev table of mode-specific abbrevs for Fundamental Mode."); | |
538 | Vfundamental_mode_abbrev_table = Fmake_abbrev_table (); | |
539 | current_buffer->abbrev_table = Vfundamental_mode_abbrev_table; | |
540 | ||
541 | DEFVAR_LISP ("last-abbrev", &Vlast_abbrev, | |
542 | "The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'."); | |
543 | ||
544 | DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text, | |
545 | "The exact text of the last abbrev expanded.\n\ | |
546 | nil if the abbrev has already been unexpanded."); | |
547 | ||
548 | DEFVAR_INT ("last-abbrev-location", &last_abbrev_point, | |
549 | "The location of the start of the last abbrev expanded."); | |
550 | ||
551 | Vlast_abbrev = Qnil; | |
552 | Vlast_abbrev_text = Qnil; | |
553 | last_abbrev_point = 0; | |
554 | ||
555 | DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location, | |
556 | "Buffer position for `expand-abbrev' to use as the start of the abbrev.\n\ | |
557 | nil means use the word before point as the abbrev.\n\ | |
558 | Calling `expand-abbrev' sets this to nil."); | |
559 | Vabbrev_start_location = Qnil; | |
560 | ||
561 | DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer, | |
562 | "Buffer that `abbrev-start-location' has been set for.\n\ | |
563 | Trying to expand an abbrev in any other buffer clears `abbrev-start-location'."); | |
564 | Vabbrev_start_location_buffer = Qnil; | |
565 | ||
c89475dc | 566 | DEFVAR_PER_BUFFER ("local-abbrev-table", ¤t_buffer->abbrev_table, Qnil, |
7942b8ae RS |
567 | "Local (mode-specific) abbrev table of current buffer."); |
568 | ||
569 | DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed, | |
570 | "Set non-nil by defining or altering any word abbrevs.\n\ | |
571 | This causes `save-some-buffers' to offer to save the abbrevs."); | |
572 | abbrevs_changed = 0; | |
573 | ||
574 | DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps, | |
575 | "*Set non-nil means expand multi-word abbrevs all caps if abbrev was so."); | |
576 | abbrev_all_caps = 0; | |
577 | ||
dbd7a969 RS |
578 | DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook, |
579 | "Function or functions to be called before abbrev expansion is done.\n\ | |
580 | This is the first thing that `expand-abbrev' does, and so this may change\n\ | |
581 | the current abbrev table before abbrev lookup happens."); | |
582 | Vpre_abbrev_expand_hook = Qnil; | |
583 | Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook"); | |
584 | staticpro (&Qpre_abbrev_expand_hook); | |
585 | ||
7942b8ae RS |
586 | defsubr (&Smake_abbrev_table); |
587 | defsubr (&Sclear_abbrev_table); | |
588 | defsubr (&Sdefine_abbrev); | |
589 | defsubr (&Sdefine_global_abbrev); | |
590 | defsubr (&Sdefine_mode_abbrev); | |
591 | defsubr (&Sabbrev_expansion); | |
592 | defsubr (&Sabbrev_symbol); | |
593 | defsubr (&Sexpand_abbrev); | |
594 | defsubr (&Sunexpand_abbrev); | |
595 | defsubr (&Sinsert_abbrev_table_description); | |
596 | defsubr (&Sdefine_abbrev_table); | |
597 | } |