Commit | Line | Data |
---|---|---|
7942b8ae | 1 | /* Primitives for word-abbrev mode. |
a97569cb GM |
2 | Copyright (C) 1985, 1986, 1993, 1996, 1998, 2001 |
3 | Free Software Foundation, Inc. | |
7942b8ae RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
c89475dc | 9 | the Free Software Foundation; either version 2, or (at your option) |
7942b8ae RS |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
20 | Boston, MA 02111-1307, USA. */ | |
7942b8ae RS |
21 | |
22 | ||
18160b98 | 23 | #include <config.h> |
7942b8ae | 24 | #include <stdio.h> |
7ee72033 | 25 | |
7942b8ae RS |
26 | #include "lisp.h" |
27 | #include "commands.h" | |
28 | #include "buffer.h" | |
29 | #include "window.h" | |
9192a027 | 30 | #include "charset.h" |
7169beb1 | 31 | #include "syntax.h" |
7942b8ae RS |
32 | |
33 | /* An abbrev table is an obarray. | |
34 | Each defined abbrev is represented by a symbol in that obarray | |
35 | whose print name is the abbreviation. | |
36 | The symbol's value is a string which is the expansion. | |
37 | If its function definition is non-nil, it is called | |
38 | after the expansion is done. | |
39 | The plist slot of the abbrev symbol is its usage count. */ | |
40 | ||
41 | /* List of all abbrev-table name symbols: | |
42 | symbols whose values are abbrev tables. */ | |
43 | ||
44 | Lisp_Object Vabbrev_table_name_list; | |
45 | ||
46 | /* The table of global abbrevs. These are in effect | |
47 | in any buffer in which abbrev mode is turned on. */ | |
48 | ||
49 | Lisp_Object Vglobal_abbrev_table; | |
50 | ||
51 | /* The local abbrev table used by default (in Fundamental Mode buffers) */ | |
52 | ||
53 | Lisp_Object Vfundamental_mode_abbrev_table; | |
54 | ||
55 | /* Set nonzero when an abbrev definition is changed */ | |
56 | ||
57 | int abbrevs_changed; | |
58 | ||
59 | int abbrev_all_caps; | |
60 | ||
61 | /* Non-nil => use this location as the start of abbrev to expand | |
62 | (rather than taking the word before point as the abbrev) */ | |
63 | ||
64 | Lisp_Object Vabbrev_start_location; | |
65 | ||
66 | /* Buffer that Vabbrev_start_location applies to */ | |
67 | Lisp_Object Vabbrev_start_location_buffer; | |
68 | ||
69 | /* The symbol representing the abbrev most recently expanded */ | |
70 | ||
71 | Lisp_Object Vlast_abbrev; | |
72 | ||
73 | /* A string for the actual text of the abbrev most recently expanded. | |
74 | This has more info than Vlast_abbrev since case is significant. */ | |
75 | ||
76 | Lisp_Object Vlast_abbrev_text; | |
77 | ||
78 | /* Character address of start of last abbrev expanded */ | |
79 | ||
31ade731 | 80 | EMACS_INT last_abbrev_point; |
7942b8ae | 81 | |
dbd7a969 RS |
82 | /* Hook to run before expanding any abbrev. */ |
83 | ||
84 | Lisp_Object Vpre_abbrev_expand_hook, Qpre_abbrev_expand_hook; | |
2d6c1fc0 RS |
85 | |
86 | Lisp_Object Qsystem_type, Qcount; | |
7942b8ae RS |
87 | \f |
88 | DEFUN ("make-abbrev-table", Fmake_abbrev_table, Smake_abbrev_table, 0, 0, 0, | |
7ee72033 MB |
89 | doc: /* Create a new, empty abbrev table object. */) |
90 | () | |
7942b8ae | 91 | { |
da2ba5c6 | 92 | /* The value 59 is arbitrary chosen prime number. */ |
7942b8ae RS |
93 | return Fmake_vector (make_number (59), make_number (0)); |
94 | } | |
95 | ||
96 | DEFUN ("clear-abbrev-table", Fclear_abbrev_table, Sclear_abbrev_table, 1, 1, 0, | |
7ee72033 MB |
97 | doc: /* Undefine all abbrevs in abbrev table TABLE, leaving it empty. */) |
98 | (table) | |
7942b8ae RS |
99 | Lisp_Object table; |
100 | { | |
101 | int i, size; | |
102 | ||
b7826503 | 103 | CHECK_VECTOR (table); |
7942b8ae RS |
104 | size = XVECTOR (table)->size; |
105 | abbrevs_changed = 1; | |
106 | for (i = 0; i < size; i++) | |
107 | XVECTOR (table)->contents[i] = make_number (0); | |
108 | return Qnil; | |
109 | } | |
110 | \f | |
2d6c1fc0 | 111 | DEFUN ("define-abbrev", Fdefine_abbrev, Sdefine_abbrev, 3, 6, 0, |
7ee72033 | 112 | doc: /* Define an abbrev in TABLE named NAME, to expand to EXPANSION and call HOOK. |
b39fb64b PJ |
113 | NAME must be a string. |
114 | EXPANSION should usually be a string. | |
115 | To undefine an abbrev, define it with EXPANSION = nil. | |
116 | If HOOK is non-nil, it should be a function of no arguments; | |
117 | it is called after EXPANSION is inserted. | |
118 | If EXPANSION is not a string, the abbrev is a special one, | |
119 | which does not expand in the usual way but only runs HOOK. | |
2d6c1fc0 RS |
120 | |
121 | COUNT, if specified, gives the initial value for the abbrev's | |
122 | usage-count, which is incremented each time the abbrev is used. | |
123 | \(The default is zero.) | |
124 | ||
125 | SYSTEM-FLAG, if non-nil, says that this is a "system" abbreviation | |
126 | which should not be saved in the user's abbreviation file. */) | |
127 | (table, name, expansion, hook, count, system_flag) | |
128 | Lisp_Object table, name, expansion, hook, count, system_flag; | |
7942b8ae RS |
129 | { |
130 | Lisp_Object sym, oexp, ohook, tem; | |
b7826503 PJ |
131 | CHECK_VECTOR (table); |
132 | CHECK_STRING (name); | |
b7734773 | 133 | |
d427b66a | 134 | if (NILP (count)) |
7942b8ae RS |
135 | count = make_number (0); |
136 | else | |
b7826503 | 137 | CHECK_NUMBER (count); |
7942b8ae RS |
138 | |
139 | sym = Fintern (name, table); | |
140 | ||
a97569cb | 141 | oexp = SYMBOL_VALUE (sym); |
7942b8ae RS |
142 | ohook = XSYMBOL (sym)->function; |
143 | if (!((EQ (oexp, expansion) | |
09e82d7c | 144 | || (STRINGP (oexp) && STRINGP (expansion) |
d427b66a | 145 | && (tem = Fstring_equal (oexp, expansion), !NILP (tem)))) |
7942b8ae RS |
146 | && |
147 | (EQ (ohook, hook) | |
2d6c1fc0 RS |
148 | || (tem = Fequal (ohook, hook), !NILP (tem)))) |
149 | && NILP (system_flag)) | |
7942b8ae RS |
150 | abbrevs_changed = 1; |
151 | ||
152 | Fset (sym, expansion); | |
153 | Ffset (sym, hook); | |
2d6c1fc0 RS |
154 | |
155 | if (! NILP (system_flag)) | |
156 | Fsetplist (sym, list4 (Qcount, count, Qsystem_type, system_flag)); | |
157 | else | |
158 | Fsetplist (sym, count); | |
7942b8ae RS |
159 | |
160 | return name; | |
161 | } | |
162 | ||
163 | DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2, | |
b39fb64b | 164 | "sDefine global abbrev: \nsExpansion for %s: ", |
7ee72033 MB |
165 | doc: /* Define ABBREV as a global abbreviation for EXPANSION. */) |
166 | (abbrev, expansion) | |
78ce396a | 167 | Lisp_Object abbrev, expansion; |
7942b8ae | 168 | { |
78ce396a | 169 | Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 170 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 171 | return abbrev; |
7942b8ae RS |
172 | } |
173 | ||
174 | DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2, | |
b39fb64b | 175 | "sDefine mode abbrev: \nsExpansion for %s: ", |
7ee72033 MB |
176 | doc: /* Define ABBREV as a mode-specific abbreviation for EXPANSION. */) |
177 | (abbrev, expansion) | |
78ce396a | 178 | Lisp_Object abbrev, expansion; |
7942b8ae | 179 | { |
d427b66a | 180 | if (NILP (current_buffer->abbrev_table)) |
7942b8ae RS |
181 | error ("Major mode has no abbrev table"); |
182 | ||
78ce396a | 183 | Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 184 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 185 | return abbrev; |
7942b8ae RS |
186 | } |
187 | ||
188 | DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0, | |
7ee72033 | 189 | doc: /* Return the symbol representing abbrev named ABBREV. |
b39fb64b PJ |
190 | This symbol's name is ABBREV, but it is not the canonical symbol of that name; |
191 | it is interned in an abbrev-table rather than the normal obarray. | |
192 | The value is nil if that abbrev is not defined. | |
193 | Optional second arg TABLE is abbrev table to look it up in. | |
7ee72033 MB |
194 | The default is to try buffer's mode-specific abbrev table, then global table. */) |
195 | (abbrev, table) | |
7942b8ae RS |
196 | Lisp_Object abbrev, table; |
197 | { | |
198 | Lisp_Object sym; | |
b7826503 | 199 | CHECK_STRING (abbrev); |
d427b66a | 200 | if (!NILP (table)) |
7942b8ae RS |
201 | sym = Fintern_soft (abbrev, table); |
202 | else | |
203 | { | |
204 | sym = Qnil; | |
d427b66a | 205 | if (!NILP (current_buffer->abbrev_table)) |
7942b8ae | 206 | sym = Fintern_soft (abbrev, current_buffer->abbrev_table); |
a97569cb | 207 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 208 | sym = Qnil; |
d427b66a | 209 | if (NILP (sym)) |
7942b8ae RS |
210 | sym = Fintern_soft (abbrev, Vglobal_abbrev_table); |
211 | } | |
a97569cb GM |
212 | if (NILP (SYMBOL_VALUE (sym))) |
213 | return Qnil; | |
7942b8ae RS |
214 | return sym; |
215 | } | |
216 | ||
217 | DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0, | |
7ee72033 | 218 | doc: /* Return the string that ABBREV expands into in the current buffer. |
b39fb64b | 219 | Optionally specify an abbrev table as second arg; |
7ee72033 MB |
220 | then ABBREV is looked up in that table only. */) |
221 | (abbrev, table) | |
7942b8ae RS |
222 | Lisp_Object abbrev, table; |
223 | { | |
224 | Lisp_Object sym; | |
225 | sym = Fabbrev_symbol (abbrev, table); | |
d427b66a | 226 | if (NILP (sym)) return sym; |
7942b8ae RS |
227 | return Fsymbol_value (sym); |
228 | } | |
229 | \f | |
230 | /* Expand the word before point, if it is an abbrev. | |
231 | Returns 1 if an expansion is done. */ | |
232 | ||
233 | DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "", | |
7ee72033 | 234 | doc: /* Expand the abbrev before point, if there is an abbrev there. |
b39fb64b | 235 | Effective when explicitly called even when `abbrev-mode' is nil. |
7ee72033 MB |
236 | Returns the abbrev symbol, if expansion took place. */) |
237 | () | |
7942b8ae RS |
238 | { |
239 | register char *buffer, *p; | |
aa406bac | 240 | int wordstart, wordend; |
530e0751 | 241 | register int wordstart_byte, wordend_byte, idx, idx_byte; |
7942b8ae RS |
242 | int whitecnt; |
243 | int uccount = 0, lccount = 0; | |
244 | register Lisp_Object sym; | |
245 | Lisp_Object expansion, hook, tem; | |
ba70da8f | 246 | Lisp_Object value; |
530e0751 | 247 | int multibyte = ! NILP (current_buffer->enable_multibyte_characters); |
7942b8ae | 248 | |
f530ce27 RS |
249 | value = Qnil; |
250 | ||
6a15331f | 251 | Frun_hooks (1, &Qpre_abbrev_expand_hook); |
dbd7a969 | 252 | |
dc7e2b30 | 253 | wordstart = 0; |
f530ce27 RS |
254 | if (!(BUFFERP (Vabbrev_start_location_buffer) |
255 | && XBUFFER (Vabbrev_start_location_buffer) == current_buffer)) | |
7942b8ae | 256 | Vabbrev_start_location = Qnil; |
d427b66a | 257 | if (!NILP (Vabbrev_start_location)) |
7942b8ae RS |
258 | { |
259 | tem = Vabbrev_start_location; | |
b7826503 | 260 | CHECK_NUMBER_COERCE_MARKER (tem); |
7942b8ae RS |
261 | wordstart = XINT (tem); |
262 | Vabbrev_start_location = Qnil; | |
dc7e2b30 KH |
263 | if (wordstart < BEGV || wordstart > ZV) |
264 | wordstart = 0; | |
aa406bac RS |
265 | if (wordstart && wordstart != ZV) |
266 | { | |
267 | wordstart_byte = CHAR_TO_BYTE (wordstart); | |
268 | if (FETCH_BYTE (wordstart_byte) == '-') | |
269 | del_range (wordstart, wordstart + 1); | |
270 | } | |
7942b8ae | 271 | } |
dc7e2b30 | 272 | if (!wordstart) |
6ec8bbd2 | 273 | wordstart = scan_words (PT, -1); |
7942b8ae RS |
274 | |
275 | if (!wordstart) | |
ba70da8f | 276 | return value; |
7942b8ae | 277 | |
aa406bac | 278 | wordstart_byte = CHAR_TO_BYTE (wordstart); |
7942b8ae RS |
279 | wordend = scan_words (wordstart, 1); |
280 | if (!wordend) | |
ba70da8f | 281 | return value; |
7942b8ae | 282 | |
6ec8bbd2 KH |
283 | if (wordend > PT) |
284 | wordend = PT; | |
aa406bac RS |
285 | |
286 | wordend_byte = CHAR_TO_BYTE (wordend); | |
6ec8bbd2 | 287 | whitecnt = PT - wordend; |
7942b8ae | 288 | if (wordend <= wordstart) |
ba70da8f | 289 | return value; |
7942b8ae | 290 | |
aa406bac | 291 | p = buffer = (char *) alloca (wordend_byte - wordstart_byte); |
7942b8ae | 292 | |
530e0751 | 293 | for (idx = wordstart, idx_byte = wordstart_byte; idx < wordend; ) |
7942b8ae | 294 | { |
530e0751 KH |
295 | register int c; |
296 | ||
297 | if (multibyte) | |
298 | { | |
299 | FETCH_CHAR_ADVANCE (c, idx, idx_byte); | |
300 | } | |
301 | else | |
302 | { | |
303 | c = FETCH_BYTE (idx_byte); | |
304 | idx++, idx_byte++; | |
305 | } | |
177c0ea7 | 306 | |
7942b8ae RS |
307 | if (UPPERCASEP (c)) |
308 | c = DOWNCASE (c), uccount++; | |
309 | else if (! NOCASEP (c)) | |
310 | lccount++; | |
530e0751 KH |
311 | if (multibyte) |
312 | p += CHAR_STRING (c, p); | |
313 | else | |
314 | *p++ = c; | |
7942b8ae RS |
315 | } |
316 | ||
09e82d7c | 317 | if (VECTORP (current_buffer->abbrev_table)) |
fc412686 | 318 | sym = oblookup (current_buffer->abbrev_table, buffer, |
530e0751 | 319 | wordend - wordstart, p - buffer); |
7942b8ae | 320 | else |
2a43e2bc | 321 | XSETFASTINT (sym, 0); |
2d6c1fc0 | 322 | |
a97569cb | 323 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
fc412686 | 324 | sym = oblookup (Vglobal_abbrev_table, buffer, |
530e0751 | 325 | wordend - wordstart, p - buffer); |
a97569cb | 326 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
ba70da8f | 327 | return value; |
7942b8ae RS |
328 | |
329 | if (INTERACTIVE && !EQ (minibuf_window, selected_window)) | |
330 | { | |
aba686ed RS |
331 | /* Add an undo boundary, in case we are doing this for |
332 | a self-inserting command which has avoided making one so far. */ | |
7942b8ae RS |
333 | SET_PT (wordend); |
334 | Fundo_boundary (); | |
335 | } | |
b7734773 | 336 | |
7942b8ae RS |
337 | Vlast_abbrev_text |
338 | = Fbuffer_substring (make_number (wordstart), make_number (wordend)); | |
7942b8ae | 339 | |
b7734773 | 340 | /* Now sym is the abbrev symbol. */ |
7942b8ae | 341 | Vlast_abbrev = sym; |
f530ce27 | 342 | value = sym; |
7942b8ae RS |
343 | last_abbrev_point = wordstart; |
344 | ||
2d6c1fc0 | 345 | /* Increment use count. */ |
09e82d7c | 346 | if (INTEGERP (XSYMBOL (sym)->plist)) |
7942b8ae | 347 | XSETINT (XSYMBOL (sym)->plist, |
2d6c1fc0 | 348 | XINT (XSYMBOL (sym)->plist) + 1); |
8d320872 | 349 | else if (INTEGERP (tem = Fget (sym, Qcount))) |
2d6c1fc0 | 350 | Fput (sym, Qcount, make_number (XINT (tem) + 1)); |
7942b8ae | 351 | |
b7734773 RS |
352 | /* If this abbrev has an expansion, delete the abbrev |
353 | and insert the expansion. */ | |
a97569cb | 354 | expansion = SYMBOL_VALUE (sym); |
b7734773 | 355 | if (STRINGP (expansion)) |
7942b8ae | 356 | { |
b7734773 RS |
357 | SET_PT (wordstart); |
358 | ||
bc69581b | 359 | del_range_both (wordstart, wordstart_byte, wordend, wordend_byte, 1); |
b7734773 | 360 | |
d5db4077 KR |
361 | insert_from_string (expansion, 0, 0, SCHARS (expansion), |
362 | SBYTES (expansion), 1); | |
b7734773 RS |
363 | SET_PT (PT + whitecnt); |
364 | ||
365 | if (uccount && !lccount) | |
366 | { | |
367 | /* Abbrev was all caps */ | |
368 | /* If expansion is multiple words, normally capitalize each word */ | |
369 | /* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase | |
370 | but Megatest 68000 compiler can't handle that */ | |
371 | if (!abbrev_all_caps) | |
372 | if (scan_words (PT, -1) > scan_words (wordstart, 1)) | |
373 | { | |
374 | Fupcase_initials_region (make_number (wordstart), | |
375 | make_number (PT)); | |
376 | goto caped; | |
377 | } | |
378 | /* If expansion is one word, or if user says so, upcase it all. */ | |
379 | Fupcase_region (make_number (wordstart), make_number (PT)); | |
380 | caped: ; | |
381 | } | |
382 | else if (uccount) | |
383 | { | |
384 | /* Abbrev included some caps. Cap first initial of expansion */ | |
aa406bac | 385 | int pos = wordstart_byte; |
b7734773 RS |
386 | |
387 | /* Find the initial. */ | |
aa406bac RS |
388 | while (pos < PT_BYTE |
389 | && SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword) | |
b7734773 RS |
390 | pos++; |
391 | ||
392 | /* Change just that. */ | |
aa406bac | 393 | pos = BYTE_TO_CHAR (pos); |
b7734773 RS |
394 | Fupcase_initials_region (make_number (pos), make_number (pos + 1)); |
395 | } | |
7942b8ae RS |
396 | } |
397 | ||
398 | hook = XSYMBOL (sym)->function; | |
d427b66a | 399 | if (!NILP (hook)) |
79d2af9c GM |
400 | { |
401 | Lisp_Object expanded, prop; | |
402 | ||
c87dbfd0 | 403 | /* If the abbrev has a hook function, run it. */ |
79d2af9c | 404 | expanded = call0 (hook); |
c87dbfd0 | 405 | |
ca70e62f PJ |
406 | /* In addition, if the hook function is a symbol with |
407 | a non-nil `no-self-insert' property, let the value it returned | |
c87dbfd0 RS |
408 | specify whether we consider that an expansion took place. If |
409 | it returns nil, no expansion has been done. */ | |
410 | ||
79d2af9c GM |
411 | if (SYMBOLP (hook) |
412 | && NILP (expanded) | |
413 | && (prop = Fget (hook, intern ("no-self-insert")), | |
414 | !NILP (prop))) | |
415 | value = Qnil; | |
416 | } | |
7942b8ae | 417 | |
f530ce27 | 418 | return value; |
7942b8ae RS |
419 | } |
420 | ||
421 | DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "", | |
7ee72033 | 422 | doc: /* Undo the expansion of the last abbrev that expanded. |
b39fb64b | 423 | This differs from ordinary undo in that other editing done since then |
7ee72033 MB |
424 | is not undone. */) |
425 | () | |
7942b8ae | 426 | { |
6ec8bbd2 | 427 | int opoint = PT; |
7942b8ae RS |
428 | int adjust = 0; |
429 | if (last_abbrev_point < BEGV | |
430 | || last_abbrev_point > ZV) | |
431 | return Qnil; | |
432 | SET_PT (last_abbrev_point); | |
09e82d7c | 433 | if (STRINGP (Vlast_abbrev_text)) |
7942b8ae RS |
434 | { |
435 | /* This isn't correct if Vlast_abbrev->function was used | |
436 | to do the expansion */ | |
437 | Lisp_Object val; | |
aa406bac RS |
438 | int zv_before; |
439 | ||
a97569cb | 440 | val = SYMBOL_VALUE (Vlast_abbrev); |
09e82d7c | 441 | if (!STRINGP (val)) |
4458687c | 442 | error ("value of abbrev-symbol must be a string"); |
aa406bac | 443 | zv_before = ZV; |
d5db4077 | 444 | del_range_byte (PT_BYTE, PT_BYTE + SBYTES (val), 1); |
0c287112 | 445 | /* Don't inherit properties here; just copy from old contents. */ |
fc412686 | 446 | insert_from_string (Vlast_abbrev_text, 0, 0, |
d5db4077 KR |
447 | SCHARS (Vlast_abbrev_text), |
448 | SBYTES (Vlast_abbrev_text), 0); | |
7942b8ae | 449 | Vlast_abbrev_text = Qnil; |
aa406bac RS |
450 | /* Total number of characters deleted. */ |
451 | adjust = ZV - zv_before; | |
7942b8ae | 452 | } |
57522629 | 453 | SET_PT (last_abbrev_point < opoint ? opoint + adjust : opoint); |
7942b8ae RS |
454 | return Qnil; |
455 | } | |
456 | \f | |
aa406bac | 457 | static void |
7942b8ae RS |
458 | write_abbrev (sym, stream) |
459 | Lisp_Object sym, stream; | |
460 | { | |
2d6c1fc0 RS |
461 | Lisp_Object name, count, system_flag; |
462 | ||
463 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
464 | { | |
465 | count = XSYMBOL (sym)->plist; | |
466 | system_flag = Qnil; | |
467 | } | |
468 | else | |
469 | { | |
470 | count = Fget (sym, Qcount); | |
471 | system_flag = Fget (sym, Qsystem_type); | |
472 | } | |
473 | ||
474 | if (NILP (SYMBOL_VALUE (sym)) || ! NILP (system_flag)) | |
7942b8ae | 475 | return; |
2d6c1fc0 | 476 | |
7942b8ae | 477 | insert (" (", 5); |
caeead20 | 478 | name = SYMBOL_NAME (sym); |
7942b8ae RS |
479 | Fprin1 (name, stream); |
480 | insert (" ", 1); | |
a97569cb | 481 | Fprin1 (SYMBOL_VALUE (sym), stream); |
7942b8ae RS |
482 | insert (" ", 1); |
483 | Fprin1 (XSYMBOL (sym)->function, stream); | |
484 | insert (" ", 1); | |
2d6c1fc0 | 485 | Fprin1 (count, stream); |
7942b8ae RS |
486 | insert (")\n", 2); |
487 | } | |
488 | ||
aa406bac | 489 | static void |
7942b8ae RS |
490 | describe_abbrev (sym, stream) |
491 | Lisp_Object sym, stream; | |
492 | { | |
2d6c1fc0 RS |
493 | Lisp_Object one, count, system_flag; |
494 | ||
495 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
496 | { | |
497 | count = XSYMBOL (sym)->plist; | |
498 | system_flag = Qnil; | |
499 | } | |
500 | else | |
501 | { | |
502 | count = Fget (sym, Qcount); | |
503 | system_flag = Fget (sym, Qsystem_type); | |
504 | } | |
7942b8ae | 505 | |
a97569cb | 506 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 507 | return; |
2d6c1fc0 | 508 | |
7942b8ae RS |
509 | one = make_number (1); |
510 | Fprin1 (Fsymbol_name (sym), stream); | |
2d6c1fc0 RS |
511 | |
512 | if (!NILP (system_flag)) | |
513 | { | |
514 | insert_string (" (sys)"); | |
515 | Findent_to (make_number (20), one); | |
516 | } | |
517 | else | |
518 | Findent_to (make_number (15), one); | |
519 | ||
520 | Fprin1 (count, stream); | |
7942b8ae | 521 | Findent_to (make_number (20), one); |
a97569cb | 522 | Fprin1 (SYMBOL_VALUE (sym), stream); |
d427b66a | 523 | if (!NILP (XSYMBOL (sym)->function)) |
7942b8ae RS |
524 | { |
525 | Findent_to (make_number (45), one); | |
526 | Fprin1 (XSYMBOL (sym)->function, stream); | |
527 | } | |
528 | Fterpri (stream); | |
529 | } | |
530 | ||
a0d76c27 | 531 | DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description, |
03be2694 | 532 | Sinsert_abbrev_table_description, 1, 2, 0, |
7ee72033 | 533 | doc: /* Insert before point a full description of abbrev table named NAME. |
b39fb64b PJ |
534 | NAME is a symbol whose value is an abbrev table. |
535 | If optional 2nd arg READABLE is non-nil, a human-readable description | |
536 | is inserted. Otherwise the description is an expression, | |
537 | a call to `define-abbrev-table', which would | |
2d6c1fc0 RS |
538 | define the abbrev table NAME exactly as it is currently defined. |
539 | ||
540 | Abbrevs marked as "system abbrevs" are omitted. */) | |
7ee72033 | 541 | (name, readable) |
7942b8ae RS |
542 | Lisp_Object name, readable; |
543 | { | |
544 | Lisp_Object table; | |
545 | Lisp_Object stream; | |
546 | ||
b7826503 | 547 | CHECK_SYMBOL (name); |
7942b8ae | 548 | table = Fsymbol_value (name); |
b7826503 | 549 | CHECK_VECTOR (table); |
7942b8ae | 550 | |
6520d056 | 551 | XSETBUFFER (stream, current_buffer); |
7942b8ae | 552 | |
d427b66a | 553 | if (!NILP (readable)) |
7942b8ae RS |
554 | { |
555 | insert_string ("("); | |
556 | Fprin1 (name, stream); | |
557 | insert_string (")\n\n"); | |
558 | map_obarray (table, describe_abbrev, stream); | |
559 | insert_string ("\n\n"); | |
560 | } | |
561 | else | |
562 | { | |
563 | insert_string ("(define-abbrev-table '"); | |
564 | Fprin1 (name, stream); | |
565 | insert_string (" '(\n"); | |
566 | map_obarray (table, write_abbrev, stream); | |
567 | insert_string (" ))\n\n"); | |
568 | } | |
569 | ||
570 | return Qnil; | |
571 | } | |
572 | \f | |
573 | DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table, | |
574 | 2, 2, 0, | |
7ee72033 | 575 | doc: /* Define TABLENAME (a symbol) as an abbrev table name. |
b39fb64b | 576 | Define abbrevs in it according to DEFINITIONS, which is a list of elements |
2d6c1fc0 RS |
577 | of the form (ABBREVNAME EXPANSION HOOK USECOUNT SYSTEMFLAG). |
578 | \(If the list is shorter than that, omitted elements default to nil). */) | |
7ee72033 | 579 | (tablename, definitions) |
b9d613cc | 580 | Lisp_Object tablename, definitions; |
7942b8ae RS |
581 | { |
582 | Lisp_Object name, exp, hook, count; | |
2d6c1fc0 | 583 | Lisp_Object table, elt, sys; |
7942b8ae | 584 | |
b7826503 | 585 | CHECK_SYMBOL (tablename); |
78ce396a EN |
586 | table = Fboundp (tablename); |
587 | if (NILP (table) || (table = Fsymbol_value (tablename), NILP (table))) | |
7942b8ae RS |
588 | { |
589 | table = Fmake_abbrev_table (); | |
78ce396a | 590 | Fset (tablename, table); |
b9d613cc | 591 | Vabbrev_table_name_list = Fcons (tablename, Vabbrev_table_name_list); |
7942b8ae | 592 | } |
b7826503 | 593 | CHECK_VECTOR (table); |
7942b8ae | 594 | |
52ad5ecc | 595 | for (; CONSP (definitions); definitions = XCDR (definitions)) |
7942b8ae | 596 | { |
52ad5ecc | 597 | elt = XCAR (definitions); |
0292bcb1 JB |
598 | name = Fcar (elt); elt = Fcdr (elt); |
599 | exp = Fcar (elt); elt = Fcdr (elt); | |
600 | hook = Fcar (elt); elt = Fcdr (elt); | |
2d6c1fc0 RS |
601 | count = Fcar (elt); elt = Fcdr (elt); |
602 | sys = Fcar (elt); | |
603 | Fdefine_abbrev (table, name, exp, hook, count, sys); | |
7942b8ae RS |
604 | } |
605 | return Qnil; | |
606 | } | |
607 | \f | |
dfcf069d | 608 | void |
7942b8ae RS |
609 | syms_of_abbrev () |
610 | { | |
2d6c1fc0 RS |
611 | Qsystem_type = intern ("system-type"); |
612 | staticpro (&Qsystem_type); | |
613 | ||
614 | Qcount = intern ("count"); | |
615 | staticpro (&Qcount); | |
616 | ||
7ee72033 MB |
617 | DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list, |
618 | doc: /* List of symbols whose values are abbrev tables. */); | |
7942b8ae RS |
619 | Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"), |
620 | Fcons (intern ("global-abbrev-table"), | |
621 | Qnil)); | |
622 | ||
7ee72033 MB |
623 | DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table, |
624 | doc: /* The abbrev table whose abbrevs affect all buffers. | |
b39fb64b PJ |
625 | Each buffer may also have a local abbrev table. |
626 | If it does, the local table overrides the global one | |
627 | for any particular abbrev defined in both. */); | |
7942b8ae RS |
628 | Vglobal_abbrev_table = Fmake_abbrev_table (); |
629 | ||
7ee72033 MB |
630 | DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table, |
631 | doc: /* The abbrev table of mode-specific abbrevs for Fundamental Mode. */); | |
7942b8ae RS |
632 | Vfundamental_mode_abbrev_table = Fmake_abbrev_table (); |
633 | current_buffer->abbrev_table = Vfundamental_mode_abbrev_table; | |
c8bb8167 | 634 | buffer_defaults.abbrev_table = Vfundamental_mode_abbrev_table; |
7942b8ae | 635 | |
7ee72033 MB |
636 | DEFVAR_LISP ("last-abbrev", &Vlast_abbrev, |
637 | doc: /* The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'. */); | |
7942b8ae | 638 | |
7ee72033 MB |
639 | DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text, |
640 | doc: /* The exact text of the last abbrev expanded. | |
b39fb64b | 641 | nil if the abbrev has already been unexpanded. */); |
7942b8ae | 642 | |
7ee72033 MB |
643 | DEFVAR_INT ("last-abbrev-location", &last_abbrev_point, |
644 | doc: /* The location of the start of the last abbrev expanded. */); | |
7942b8ae RS |
645 | |
646 | Vlast_abbrev = Qnil; | |
647 | Vlast_abbrev_text = Qnil; | |
648 | last_abbrev_point = 0; | |
649 | ||
7ee72033 MB |
650 | DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location, |
651 | doc: /* Buffer position for `expand-abbrev' to use as the start of the abbrev. | |
ca70e62f | 652 | When nil, use the word before point as the abbrev. |
b39fb64b | 653 | Calling `expand-abbrev' sets this to nil. */); |
7942b8ae RS |
654 | Vabbrev_start_location = Qnil; |
655 | ||
7ee72033 MB |
656 | DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer, |
657 | doc: /* Buffer that `abbrev-start-location' has been set for. | |
b39fb64b | 658 | Trying to expand an abbrev in any other buffer clears `abbrev-start-location'. */); |
7942b8ae RS |
659 | Vabbrev_start_location_buffer = Qnil; |
660 | ||
7ee72033 MB |
661 | DEFVAR_PER_BUFFER ("local-abbrev-table", ¤t_buffer->abbrev_table, Qnil, |
662 | doc: /* Local (mode-specific) abbrev table of current buffer. */); | |
7942b8ae | 663 | |
7ee72033 MB |
664 | DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed, |
665 | doc: /* Set non-nil by defining or altering any word abbrevs. | |
b39fb64b | 666 | This causes `save-some-buffers' to offer to save the abbrevs. */); |
7942b8ae RS |
667 | abbrevs_changed = 0; |
668 | ||
7ee72033 MB |
669 | DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps, |
670 | doc: /* *Set non-nil means expand multi-word abbrevs all caps if abbrev was so. */); | |
7942b8ae RS |
671 | abbrev_all_caps = 0; |
672 | ||
7ee72033 MB |
673 | DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook, |
674 | doc: /* Function or functions to be called before abbrev expansion is done. | |
b39fb64b PJ |
675 | This is the first thing that `expand-abbrev' does, and so this may change |
676 | the current abbrev table before abbrev lookup happens. */); | |
dbd7a969 RS |
677 | Vpre_abbrev_expand_hook = Qnil; |
678 | Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook"); | |
679 | staticpro (&Qpre_abbrev_expand_hook); | |
680 | ||
7942b8ae RS |
681 | defsubr (&Smake_abbrev_table); |
682 | defsubr (&Sclear_abbrev_table); | |
683 | defsubr (&Sdefine_abbrev); | |
684 | defsubr (&Sdefine_global_abbrev); | |
685 | defsubr (&Sdefine_mode_abbrev); | |
686 | defsubr (&Sabbrev_expansion); | |
687 | defsubr (&Sabbrev_symbol); | |
688 | defsubr (&Sexpand_abbrev); | |
689 | defsubr (&Sunexpand_abbrev); | |
690 | defsubr (&Sinsert_abbrev_table_description); | |
691 | defsubr (&Sdefine_abbrev_table); | |
692 | } |