Commit | Line | Data |
---|---|---|
7942b8ae | 1 | /* Primitives for word-abbrev mode. |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1993, 1996, 1998, 2001, 2002, 2003, 2004, |
4e6835db | 3 | 2005, 2006, 2007 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 | |
684d6f5b | 9 | the Free Software Foundation; either version 3, 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 | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, 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 | 85 | |
0dcd524c | 86 | Lisp_Object Qsystem_type, Qcount, Qforce; |
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 | } | |
0dcd524c | 110 | |
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. |
8d6af892 | 113 | NAME must be a string, and should be lower-case. |
b39fb64b PJ |
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 | |
0dcd524c GM |
126 | which should not be saved in the user's abbreviation file. |
127 | Unless SYSTEM-FLAG is `force', a system abbreviation will not | |
128 | overwrite a non-system abbreviation of the same name. */) | |
2d6c1fc0 RS |
129 | (table, name, expansion, hook, count, system_flag) |
130 | Lisp_Object table, name, expansion, hook, count, system_flag; | |
7942b8ae RS |
131 | { |
132 | Lisp_Object sym, oexp, ohook, tem; | |
b7826503 PJ |
133 | CHECK_VECTOR (table); |
134 | CHECK_STRING (name); | |
b7734773 | 135 | |
0dcd524c GM |
136 | /* If defining a system abbrev, do not overwrite a non-system abbrev |
137 | of the same name, unless 'force is used. */ | |
138 | if (!NILP (system_flag) && !EQ (system_flag, Qforce)) | |
139 | { | |
140 | sym = Fintern_soft (name, table); | |
141 | ||
142 | if (!NILP (SYMBOL_VALUE (sym)) && | |
143 | NILP (Fplist_get (XSYMBOL (sym)->plist, Qsystem_type))) return Qnil; | |
144 | } | |
145 | ||
d427b66a | 146 | if (NILP (count)) |
7942b8ae RS |
147 | count = make_number (0); |
148 | else | |
b7826503 | 149 | CHECK_NUMBER (count); |
7942b8ae RS |
150 | |
151 | sym = Fintern (name, table); | |
152 | ||
a97569cb | 153 | oexp = SYMBOL_VALUE (sym); |
7942b8ae RS |
154 | ohook = XSYMBOL (sym)->function; |
155 | if (!((EQ (oexp, expansion) | |
09e82d7c | 156 | || (STRINGP (oexp) && STRINGP (expansion) |
d427b66a | 157 | && (tem = Fstring_equal (oexp, expansion), !NILP (tem)))) |
7942b8ae RS |
158 | && |
159 | (EQ (ohook, hook) | |
2d6c1fc0 RS |
160 | || (tem = Fequal (ohook, hook), !NILP (tem)))) |
161 | && NILP (system_flag)) | |
7942b8ae RS |
162 | abbrevs_changed = 1; |
163 | ||
164 | Fset (sym, expansion); | |
165 | Ffset (sym, hook); | |
2d6c1fc0 RS |
166 | |
167 | if (! NILP (system_flag)) | |
168 | Fsetplist (sym, list4 (Qcount, count, Qsystem_type, system_flag)); | |
169 | else | |
170 | Fsetplist (sym, count); | |
7942b8ae RS |
171 | |
172 | return name; | |
173 | } | |
174 | ||
857cc3fc GM |
175 | /* Check if the characters in ABBREV have word syntax in either the |
176 | * current (if global == 0) or standard syntax table. */ | |
177 | static void | |
178 | abbrev_check_chars (abbrev, global) | |
179 | Lisp_Object abbrev; | |
180 | int global; | |
181 | { | |
182 | int i, i_byte, len, nbad = 0; | |
183 | int j, found, nuniq = 0; | |
184 | char *badchars, *baduniq; | |
185 | ||
186 | CHECK_STRING (abbrev); | |
187 | len = SCHARS (abbrev); | |
188 | ||
189 | badchars = (char *) alloca (len + 1); | |
190 | ||
191 | for (i = 0, i_byte = 0; i < len; ) | |
192 | { | |
193 | int c; | |
194 | ||
195 | FETCH_STRING_CHAR_ADVANCE (c, abbrev, i, i_byte); | |
196 | ||
197 | if (global) | |
198 | { | |
199 | /* Copied from SYNTAX in syntax.h, except using FOLLOW_PARENT. */ | |
200 | Lisp_Object syntax_temp | |
201 | = SYNTAX_ENTRY_FOLLOW_PARENT (Vstandard_syntax_table, c); | |
202 | if ( (CONSP (syntax_temp) | |
203 | ? (enum syntaxcode) (XINT (XCAR (syntax_temp)) & 0xff) | |
204 | : Swhitespace) != Sword ) badchars[nbad++] = c; | |
205 | } | |
206 | else if (SYNTAX (c) != Sword) | |
207 | badchars[nbad++] = c; | |
208 | } | |
209 | ||
210 | if (nbad == 0) return; | |
211 | ||
212 | baduniq = (char *) alloca (nbad + 1); | |
213 | ||
214 | for (i = 0; i < nbad; i++) | |
215 | { | |
216 | found = 0; | |
217 | ||
218 | for (j = 0; j < nuniq; j++) | |
219 | { | |
220 | if (badchars[i] == baduniq[j]) | |
221 | { | |
222 | found = 1; | |
223 | break; | |
224 | } | |
225 | } | |
226 | ||
227 | if (found) continue ; | |
228 | ||
229 | baduniq[nuniq++] = badchars[i]; | |
230 | } | |
231 | ||
232 | baduniq[nuniq] = '\0'; | |
233 | ||
234 | error ("Some abbrev characters (%s) are not word constituents %s", | |
235 | baduniq, global ? "in the standard syntax" : "in this mode" ); | |
236 | } | |
237 | ||
7942b8ae | 238 | DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2, |
b39fb64b | 239 | "sDefine global abbrev: \nsExpansion for %s: ", |
857cc3fc GM |
240 | doc: /* Define ABBREV as a global abbreviation for EXPANSION. |
241 | The characters in ABBREV must all be word constituents in the standard | |
242 | syntax table. */) | |
7ee72033 | 243 | (abbrev, expansion) |
78ce396a | 244 | Lisp_Object abbrev, expansion; |
7942b8ae | 245 | { |
857cc3fc GM |
246 | abbrev_check_chars (abbrev, 1); |
247 | ||
78ce396a | 248 | Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 249 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 250 | return abbrev; |
7942b8ae RS |
251 | } |
252 | ||
253 | DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2, | |
b39fb64b | 254 | "sDefine mode abbrev: \nsExpansion for %s: ", |
857cc3fc GM |
255 | doc: /* Define ABBREV as a mode-specific abbreviation for EXPANSION. |
256 | The characters in ABBREV must all be word-constituents in the current mode. */) | |
7ee72033 | 257 | (abbrev, expansion) |
78ce396a | 258 | Lisp_Object abbrev, expansion; |
7942b8ae | 259 | { |
d427b66a | 260 | if (NILP (current_buffer->abbrev_table)) |
7942b8ae RS |
261 | error ("Major mode has no abbrev table"); |
262 | ||
857cc3fc GM |
263 | abbrev_check_chars (abbrev, 0); |
264 | ||
78ce396a | 265 | Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 266 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 267 | return abbrev; |
7942b8ae RS |
268 | } |
269 | ||
270 | DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0, | |
7ee72033 | 271 | doc: /* Return the symbol representing abbrev named ABBREV. |
b39fb64b PJ |
272 | This symbol's name is ABBREV, but it is not the canonical symbol of that name; |
273 | it is interned in an abbrev-table rather than the normal obarray. | |
274 | The value is nil if that abbrev is not defined. | |
275 | Optional second arg TABLE is abbrev table to look it up in. | |
7ee72033 MB |
276 | The default is to try buffer's mode-specific abbrev table, then global table. */) |
277 | (abbrev, table) | |
7942b8ae RS |
278 | Lisp_Object abbrev, table; |
279 | { | |
280 | Lisp_Object sym; | |
b7826503 | 281 | CHECK_STRING (abbrev); |
d427b66a | 282 | if (!NILP (table)) |
7942b8ae RS |
283 | sym = Fintern_soft (abbrev, table); |
284 | else | |
285 | { | |
286 | sym = Qnil; | |
d427b66a | 287 | if (!NILP (current_buffer->abbrev_table)) |
7942b8ae | 288 | sym = Fintern_soft (abbrev, current_buffer->abbrev_table); |
a97569cb | 289 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 290 | sym = Qnil; |
d427b66a | 291 | if (NILP (sym)) |
7942b8ae RS |
292 | sym = Fintern_soft (abbrev, Vglobal_abbrev_table); |
293 | } | |
a97569cb GM |
294 | if (NILP (SYMBOL_VALUE (sym))) |
295 | return Qnil; | |
7942b8ae RS |
296 | return sym; |
297 | } | |
298 | ||
299 | DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0, | |
7ee72033 | 300 | doc: /* Return the string that ABBREV expands into in the current buffer. |
b39fb64b | 301 | Optionally specify an abbrev table as second arg; |
7ee72033 MB |
302 | then ABBREV is looked up in that table only. */) |
303 | (abbrev, table) | |
7942b8ae RS |
304 | Lisp_Object abbrev, table; |
305 | { | |
306 | Lisp_Object sym; | |
307 | sym = Fabbrev_symbol (abbrev, table); | |
d427b66a | 308 | if (NILP (sym)) return sym; |
7942b8ae RS |
309 | return Fsymbol_value (sym); |
310 | } | |
311 | \f | |
312 | /* Expand the word before point, if it is an abbrev. | |
313 | Returns 1 if an expansion is done. */ | |
314 | ||
315 | DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "", | |
7ee72033 | 316 | doc: /* Expand the abbrev before point, if there is an abbrev there. |
b39fb64b | 317 | Effective when explicitly called even when `abbrev-mode' is nil. |
7ee72033 MB |
318 | Returns the abbrev symbol, if expansion took place. */) |
319 | () | |
7942b8ae RS |
320 | { |
321 | register char *buffer, *p; | |
aa406bac | 322 | int wordstart, wordend; |
530e0751 | 323 | register int wordstart_byte, wordend_byte, idx, idx_byte; |
7942b8ae RS |
324 | int whitecnt; |
325 | int uccount = 0, lccount = 0; | |
326 | register Lisp_Object sym; | |
327 | Lisp_Object expansion, hook, tem; | |
ba70da8f | 328 | Lisp_Object value; |
530e0751 | 329 | int multibyte = ! NILP (current_buffer->enable_multibyte_characters); |
7942b8ae | 330 | |
f530ce27 RS |
331 | value = Qnil; |
332 | ||
451eaa21 RS |
333 | Frun_hooks (1, &Qpre_abbrev_expand_hook); |
334 | ||
dc7e2b30 | 335 | wordstart = 0; |
f530ce27 RS |
336 | if (!(BUFFERP (Vabbrev_start_location_buffer) |
337 | && XBUFFER (Vabbrev_start_location_buffer) == current_buffer)) | |
7942b8ae | 338 | Vabbrev_start_location = Qnil; |
d427b66a | 339 | if (!NILP (Vabbrev_start_location)) |
7942b8ae RS |
340 | { |
341 | tem = Vabbrev_start_location; | |
b7826503 | 342 | CHECK_NUMBER_COERCE_MARKER (tem); |
7942b8ae RS |
343 | wordstart = XINT (tem); |
344 | Vabbrev_start_location = Qnil; | |
dc7e2b30 KH |
345 | if (wordstart < BEGV || wordstart > ZV) |
346 | wordstart = 0; | |
aa406bac RS |
347 | if (wordstart && wordstart != ZV) |
348 | { | |
349 | wordstart_byte = CHAR_TO_BYTE (wordstart); | |
350 | if (FETCH_BYTE (wordstart_byte) == '-') | |
351 | del_range (wordstart, wordstart + 1); | |
352 | } | |
7942b8ae | 353 | } |
dc7e2b30 | 354 | if (!wordstart) |
6ec8bbd2 | 355 | wordstart = scan_words (PT, -1); |
7942b8ae RS |
356 | |
357 | if (!wordstart) | |
ba70da8f | 358 | return value; |
7942b8ae | 359 | |
aa406bac | 360 | wordstart_byte = CHAR_TO_BYTE (wordstart); |
7942b8ae RS |
361 | wordend = scan_words (wordstart, 1); |
362 | if (!wordend) | |
ba70da8f | 363 | return value; |
7942b8ae | 364 | |
6ec8bbd2 KH |
365 | if (wordend > PT) |
366 | wordend = PT; | |
aa406bac RS |
367 | |
368 | wordend_byte = CHAR_TO_BYTE (wordend); | |
6ec8bbd2 | 369 | whitecnt = PT - wordend; |
7942b8ae | 370 | if (wordend <= wordstart) |
ba70da8f | 371 | return value; |
7942b8ae | 372 | |
aa406bac | 373 | p = buffer = (char *) alloca (wordend_byte - wordstart_byte); |
7942b8ae | 374 | |
530e0751 | 375 | for (idx = wordstart, idx_byte = wordstart_byte; idx < wordend; ) |
7942b8ae | 376 | { |
530e0751 KH |
377 | register int c; |
378 | ||
379 | if (multibyte) | |
380 | { | |
381 | FETCH_CHAR_ADVANCE (c, idx, idx_byte); | |
382 | } | |
383 | else | |
384 | { | |
385 | c = FETCH_BYTE (idx_byte); | |
386 | idx++, idx_byte++; | |
387 | } | |
177c0ea7 | 388 | |
7942b8ae RS |
389 | if (UPPERCASEP (c)) |
390 | c = DOWNCASE (c), uccount++; | |
391 | else if (! NOCASEP (c)) | |
392 | lccount++; | |
530e0751 KH |
393 | if (multibyte) |
394 | p += CHAR_STRING (c, p); | |
395 | else | |
396 | *p++ = c; | |
7942b8ae RS |
397 | } |
398 | ||
09e82d7c | 399 | if (VECTORP (current_buffer->abbrev_table)) |
fc412686 | 400 | sym = oblookup (current_buffer->abbrev_table, buffer, |
530e0751 | 401 | wordend - wordstart, p - buffer); |
7942b8ae | 402 | else |
2a43e2bc | 403 | XSETFASTINT (sym, 0); |
2d6c1fc0 | 404 | |
a97569cb | 405 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
fc412686 | 406 | sym = oblookup (Vglobal_abbrev_table, buffer, |
530e0751 | 407 | wordend - wordstart, p - buffer); |
a97569cb | 408 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
ba70da8f | 409 | return value; |
7942b8ae RS |
410 | |
411 | if (INTERACTIVE && !EQ (minibuf_window, selected_window)) | |
412 | { | |
aba686ed RS |
413 | /* Add an undo boundary, in case we are doing this for |
414 | a self-inserting command which has avoided making one so far. */ | |
7942b8ae RS |
415 | SET_PT (wordend); |
416 | Fundo_boundary (); | |
417 | } | |
b7734773 | 418 | |
7942b8ae RS |
419 | Vlast_abbrev_text |
420 | = Fbuffer_substring (make_number (wordstart), make_number (wordend)); | |
7942b8ae | 421 | |
b7734773 | 422 | /* Now sym is the abbrev symbol. */ |
7942b8ae | 423 | Vlast_abbrev = sym; |
f530ce27 | 424 | value = sym; |
7942b8ae RS |
425 | last_abbrev_point = wordstart; |
426 | ||
2d6c1fc0 | 427 | /* Increment use count. */ |
09e82d7c | 428 | if (INTEGERP (XSYMBOL (sym)->plist)) |
7942b8ae | 429 | XSETINT (XSYMBOL (sym)->plist, |
2d6c1fc0 | 430 | XINT (XSYMBOL (sym)->plist) + 1); |
8d320872 | 431 | else if (INTEGERP (tem = Fget (sym, Qcount))) |
2d6c1fc0 | 432 | Fput (sym, Qcount, make_number (XINT (tem) + 1)); |
7942b8ae | 433 | |
b7734773 RS |
434 | /* If this abbrev has an expansion, delete the abbrev |
435 | and insert the expansion. */ | |
a97569cb | 436 | expansion = SYMBOL_VALUE (sym); |
b7734773 | 437 | if (STRINGP (expansion)) |
7942b8ae | 438 | { |
b7734773 RS |
439 | SET_PT (wordstart); |
440 | ||
d5db4077 KR |
441 | insert_from_string (expansion, 0, 0, SCHARS (expansion), |
442 | SBYTES (expansion), 1); | |
f8f096e9 RS |
443 | del_range_both (PT, PT_BYTE, |
444 | wordend + (PT - wordstart), | |
445 | wordend_byte + (PT_BYTE - wordstart_byte), | |
446 | 1); | |
447 | ||
b7734773 RS |
448 | SET_PT (PT + whitecnt); |
449 | ||
450 | if (uccount && !lccount) | |
451 | { | |
452 | /* Abbrev was all caps */ | |
453 | /* If expansion is multiple words, normally capitalize each word */ | |
454 | /* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase | |
455 | but Megatest 68000 compiler can't handle that */ | |
456 | if (!abbrev_all_caps) | |
457 | if (scan_words (PT, -1) > scan_words (wordstart, 1)) | |
458 | { | |
459 | Fupcase_initials_region (make_number (wordstart), | |
460 | make_number (PT)); | |
461 | goto caped; | |
462 | } | |
463 | /* If expansion is one word, or if user says so, upcase it all. */ | |
464 | Fupcase_region (make_number (wordstart), make_number (PT)); | |
465 | caped: ; | |
466 | } | |
467 | else if (uccount) | |
468 | { | |
469 | /* Abbrev included some caps. Cap first initial of expansion */ | |
aa406bac | 470 | int pos = wordstart_byte; |
b7734773 RS |
471 | |
472 | /* Find the initial. */ | |
aa406bac RS |
473 | while (pos < PT_BYTE |
474 | && SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword) | |
b7734773 RS |
475 | pos++; |
476 | ||
477 | /* Change just that. */ | |
aa406bac | 478 | pos = BYTE_TO_CHAR (pos); |
b7734773 RS |
479 | Fupcase_initials_region (make_number (pos), make_number (pos + 1)); |
480 | } | |
7942b8ae RS |
481 | } |
482 | ||
483 | hook = XSYMBOL (sym)->function; | |
d427b66a | 484 | if (!NILP (hook)) |
79d2af9c GM |
485 | { |
486 | Lisp_Object expanded, prop; | |
487 | ||
c87dbfd0 | 488 | /* If the abbrev has a hook function, run it. */ |
79d2af9c | 489 | expanded = call0 (hook); |
c87dbfd0 | 490 | |
ca70e62f PJ |
491 | /* In addition, if the hook function is a symbol with |
492 | a non-nil `no-self-insert' property, let the value it returned | |
c87dbfd0 RS |
493 | specify whether we consider that an expansion took place. If |
494 | it returns nil, no expansion has been done. */ | |
495 | ||
79d2af9c GM |
496 | if (SYMBOLP (hook) |
497 | && NILP (expanded) | |
498 | && (prop = Fget (hook, intern ("no-self-insert")), | |
499 | !NILP (prop))) | |
500 | value = Qnil; | |
501 | } | |
7942b8ae | 502 | |
f530ce27 | 503 | return value; |
7942b8ae RS |
504 | } |
505 | ||
506 | DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "", | |
7ee72033 | 507 | doc: /* Undo the expansion of the last abbrev that expanded. |
b39fb64b | 508 | This differs from ordinary undo in that other editing done since then |
7ee72033 MB |
509 | is not undone. */) |
510 | () | |
7942b8ae | 511 | { |
6ec8bbd2 | 512 | int opoint = PT; |
7942b8ae RS |
513 | int adjust = 0; |
514 | if (last_abbrev_point < BEGV | |
515 | || last_abbrev_point > ZV) | |
516 | return Qnil; | |
517 | SET_PT (last_abbrev_point); | |
09e82d7c | 518 | if (STRINGP (Vlast_abbrev_text)) |
7942b8ae RS |
519 | { |
520 | /* This isn't correct if Vlast_abbrev->function was used | |
521 | to do the expansion */ | |
522 | Lisp_Object val; | |
aa406bac RS |
523 | int zv_before; |
524 | ||
a97569cb | 525 | val = SYMBOL_VALUE (Vlast_abbrev); |
09e82d7c | 526 | if (!STRINGP (val)) |
d4db983a | 527 | error ("Value of `abbrev-symbol' must be a string"); |
aa406bac | 528 | zv_before = ZV; |
d5db4077 | 529 | del_range_byte (PT_BYTE, PT_BYTE + SBYTES (val), 1); |
0c287112 | 530 | /* Don't inherit properties here; just copy from old contents. */ |
fc412686 | 531 | insert_from_string (Vlast_abbrev_text, 0, 0, |
d5db4077 KR |
532 | SCHARS (Vlast_abbrev_text), |
533 | SBYTES (Vlast_abbrev_text), 0); | |
7942b8ae | 534 | Vlast_abbrev_text = Qnil; |
aa406bac RS |
535 | /* Total number of characters deleted. */ |
536 | adjust = ZV - zv_before; | |
7942b8ae | 537 | } |
57522629 | 538 | SET_PT (last_abbrev_point < opoint ? opoint + adjust : opoint); |
7942b8ae RS |
539 | return Qnil; |
540 | } | |
541 | \f | |
aa406bac | 542 | static void |
7942b8ae RS |
543 | write_abbrev (sym, stream) |
544 | Lisp_Object sym, stream; | |
545 | { | |
2d6c1fc0 RS |
546 | Lisp_Object name, count, system_flag; |
547 | ||
548 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
549 | { | |
550 | count = XSYMBOL (sym)->plist; | |
551 | system_flag = Qnil; | |
552 | } | |
553 | else | |
554 | { | |
555 | count = Fget (sym, Qcount); | |
556 | system_flag = Fget (sym, Qsystem_type); | |
557 | } | |
558 | ||
559 | if (NILP (SYMBOL_VALUE (sym)) || ! NILP (system_flag)) | |
7942b8ae | 560 | return; |
2d6c1fc0 | 561 | |
7942b8ae | 562 | insert (" (", 5); |
caeead20 | 563 | name = SYMBOL_NAME (sym); |
7942b8ae RS |
564 | Fprin1 (name, stream); |
565 | insert (" ", 1); | |
a97569cb | 566 | Fprin1 (SYMBOL_VALUE (sym), stream); |
7942b8ae RS |
567 | insert (" ", 1); |
568 | Fprin1 (XSYMBOL (sym)->function, stream); | |
569 | insert (" ", 1); | |
2d6c1fc0 | 570 | Fprin1 (count, stream); |
7942b8ae RS |
571 | insert (")\n", 2); |
572 | } | |
573 | ||
aa406bac | 574 | static void |
7942b8ae RS |
575 | describe_abbrev (sym, stream) |
576 | Lisp_Object sym, stream; | |
577 | { | |
2d6c1fc0 RS |
578 | Lisp_Object one, count, system_flag; |
579 | ||
580 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
581 | { | |
582 | count = XSYMBOL (sym)->plist; | |
583 | system_flag = Qnil; | |
584 | } | |
585 | else | |
586 | { | |
587 | count = Fget (sym, Qcount); | |
588 | system_flag = Fget (sym, Qsystem_type); | |
589 | } | |
7942b8ae | 590 | |
a97569cb | 591 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 592 | return; |
2d6c1fc0 | 593 | |
7942b8ae RS |
594 | one = make_number (1); |
595 | Fprin1 (Fsymbol_name (sym), stream); | |
2d6c1fc0 RS |
596 | |
597 | if (!NILP (system_flag)) | |
598 | { | |
599 | insert_string (" (sys)"); | |
600 | Findent_to (make_number (20), one); | |
601 | } | |
602 | else | |
603 | Findent_to (make_number (15), one); | |
604 | ||
605 | Fprin1 (count, stream); | |
7942b8ae | 606 | Findent_to (make_number (20), one); |
a97569cb | 607 | Fprin1 (SYMBOL_VALUE (sym), stream); |
d427b66a | 608 | if (!NILP (XSYMBOL (sym)->function)) |
7942b8ae RS |
609 | { |
610 | Findent_to (make_number (45), one); | |
611 | Fprin1 (XSYMBOL (sym)->function, stream); | |
612 | } | |
613 | Fterpri (stream); | |
614 | } | |
615 | ||
d06d657c RS |
616 | static void |
617 | record_symbol (sym, list) | |
618 | Lisp_Object sym, list; | |
619 | { | |
620 | XSETCDR (list, Fcons (sym, XCDR (list))); | |
621 | } | |
622 | ||
a0d76c27 | 623 | DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description, |
03be2694 | 624 | Sinsert_abbrev_table_description, 1, 2, 0, |
7ee72033 | 625 | doc: /* Insert before point a full description of abbrev table named NAME. |
b39fb64b PJ |
626 | NAME is a symbol whose value is an abbrev table. |
627 | If optional 2nd arg READABLE is non-nil, a human-readable description | |
628 | is inserted. Otherwise the description is an expression, | |
629 | a call to `define-abbrev-table', which would | |
2d6c1fc0 RS |
630 | define the abbrev table NAME exactly as it is currently defined. |
631 | ||
7f144ff5 LT |
632 | Abbrevs marked as "system abbrevs" are normally omitted. However, if |
633 | READABLE is non-nil, they are listed. */) | |
7ee72033 | 634 | (name, readable) |
7942b8ae RS |
635 | Lisp_Object name, readable; |
636 | { | |
637 | Lisp_Object table; | |
d06d657c | 638 | Lisp_Object symbols; |
7942b8ae RS |
639 | Lisp_Object stream; |
640 | ||
b7826503 | 641 | CHECK_SYMBOL (name); |
7942b8ae | 642 | table = Fsymbol_value (name); |
b7826503 | 643 | CHECK_VECTOR (table); |
7942b8ae | 644 | |
6520d056 | 645 | XSETBUFFER (stream, current_buffer); |
7942b8ae | 646 | |
d06d657c RS |
647 | symbols = Fcons (Qnil, Qnil); |
648 | map_obarray (table, record_symbol, symbols); | |
649 | symbols = XCDR (symbols); | |
650 | symbols = Fsort (symbols, Qstring_lessp); | |
651 | ||
d427b66a | 652 | if (!NILP (readable)) |
7942b8ae RS |
653 | { |
654 | insert_string ("("); | |
655 | Fprin1 (name, stream); | |
656 | insert_string (")\n\n"); | |
d06d657c RS |
657 | while (! NILP (symbols)) |
658 | { | |
659 | describe_abbrev (XCAR (symbols), stream); | |
660 | symbols = XCDR (symbols); | |
661 | } | |
662 | ||
7942b8ae RS |
663 | insert_string ("\n\n"); |
664 | } | |
665 | else | |
666 | { | |
667 | insert_string ("(define-abbrev-table '"); | |
668 | Fprin1 (name, stream); | |
669 | insert_string (" '(\n"); | |
d06d657c RS |
670 | while (! NILP (symbols)) |
671 | { | |
672 | write_abbrev (XCAR (symbols), stream); | |
673 | symbols = XCDR (symbols); | |
674 | } | |
7942b8ae RS |
675 | insert_string (" ))\n\n"); |
676 | } | |
677 | ||
678 | return Qnil; | |
679 | } | |
680 | \f | |
681 | DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table, | |
682 | 2, 2, 0, | |
7ee72033 | 683 | doc: /* Define TABLENAME (a symbol) as an abbrev table name. |
b39fb64b | 684 | Define abbrevs in it according to DEFINITIONS, which is a list of elements |
2d6c1fc0 RS |
685 | of the form (ABBREVNAME EXPANSION HOOK USECOUNT SYSTEMFLAG). |
686 | \(If the list is shorter than that, omitted elements default to nil). */) | |
7ee72033 | 687 | (tablename, definitions) |
b9d613cc | 688 | Lisp_Object tablename, definitions; |
7942b8ae RS |
689 | { |
690 | Lisp_Object name, exp, hook, count; | |
2d6c1fc0 | 691 | Lisp_Object table, elt, sys; |
7942b8ae | 692 | |
b7826503 | 693 | CHECK_SYMBOL (tablename); |
78ce396a EN |
694 | table = Fboundp (tablename); |
695 | if (NILP (table) || (table = Fsymbol_value (tablename), NILP (table))) | |
7942b8ae RS |
696 | { |
697 | table = Fmake_abbrev_table (); | |
78ce396a | 698 | Fset (tablename, table); |
b9d613cc | 699 | Vabbrev_table_name_list = Fcons (tablename, Vabbrev_table_name_list); |
7942b8ae | 700 | } |
b7826503 | 701 | CHECK_VECTOR (table); |
7942b8ae | 702 | |
52ad5ecc | 703 | for (; CONSP (definitions); definitions = XCDR (definitions)) |
7942b8ae | 704 | { |
52ad5ecc | 705 | elt = XCAR (definitions); |
0292bcb1 JB |
706 | name = Fcar (elt); elt = Fcdr (elt); |
707 | exp = Fcar (elt); elt = Fcdr (elt); | |
708 | hook = Fcar (elt); elt = Fcdr (elt); | |
2d6c1fc0 RS |
709 | count = Fcar (elt); elt = Fcdr (elt); |
710 | sys = Fcar (elt); | |
711 | Fdefine_abbrev (table, name, exp, hook, count, sys); | |
7942b8ae RS |
712 | } |
713 | return Qnil; | |
714 | } | |
715 | \f | |
dfcf069d | 716 | void |
7942b8ae RS |
717 | syms_of_abbrev () |
718 | { | |
2d6c1fc0 RS |
719 | Qsystem_type = intern ("system-type"); |
720 | staticpro (&Qsystem_type); | |
721 | ||
722 | Qcount = intern ("count"); | |
723 | staticpro (&Qcount); | |
724 | ||
0dcd524c GM |
725 | Qforce = intern ("force"); |
726 | staticpro (&Qforce); | |
727 | ||
7ee72033 MB |
728 | DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list, |
729 | doc: /* List of symbols whose values are abbrev tables. */); | |
7942b8ae RS |
730 | Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"), |
731 | Fcons (intern ("global-abbrev-table"), | |
732 | Qnil)); | |
733 | ||
7ee72033 MB |
734 | DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table, |
735 | doc: /* The abbrev table whose abbrevs affect all buffers. | |
b39fb64b PJ |
736 | Each buffer may also have a local abbrev table. |
737 | If it does, the local table overrides the global one | |
738 | for any particular abbrev defined in both. */); | |
7942b8ae RS |
739 | Vglobal_abbrev_table = Fmake_abbrev_table (); |
740 | ||
7ee72033 MB |
741 | DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table, |
742 | doc: /* The abbrev table of mode-specific abbrevs for Fundamental Mode. */); | |
7942b8ae RS |
743 | Vfundamental_mode_abbrev_table = Fmake_abbrev_table (); |
744 | current_buffer->abbrev_table = Vfundamental_mode_abbrev_table; | |
c8bb8167 | 745 | buffer_defaults.abbrev_table = Vfundamental_mode_abbrev_table; |
7942b8ae | 746 | |
7ee72033 MB |
747 | DEFVAR_LISP ("last-abbrev", &Vlast_abbrev, |
748 | doc: /* The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'. */); | |
7942b8ae | 749 | |
7ee72033 MB |
750 | DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text, |
751 | doc: /* The exact text of the last abbrev expanded. | |
7ceb2122 | 752 | A value of nil means the abbrev has already been unexpanded. */); |
7942b8ae | 753 | |
7ee72033 MB |
754 | DEFVAR_INT ("last-abbrev-location", &last_abbrev_point, |
755 | doc: /* The location of the start of the last abbrev expanded. */); | |
7942b8ae RS |
756 | |
757 | Vlast_abbrev = Qnil; | |
758 | Vlast_abbrev_text = Qnil; | |
759 | last_abbrev_point = 0; | |
760 | ||
7ee72033 MB |
761 | DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location, |
762 | doc: /* Buffer position for `expand-abbrev' to use as the start of the abbrev. | |
ca70e62f | 763 | When nil, use the word before point as the abbrev. |
b39fb64b | 764 | Calling `expand-abbrev' sets this to nil. */); |
7942b8ae RS |
765 | Vabbrev_start_location = Qnil; |
766 | ||
7ee72033 MB |
767 | DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer, |
768 | doc: /* Buffer that `abbrev-start-location' has been set for. | |
b39fb64b | 769 | Trying to expand an abbrev in any other buffer clears `abbrev-start-location'. */); |
7942b8ae RS |
770 | Vabbrev_start_location_buffer = Qnil; |
771 | ||
7ee72033 MB |
772 | DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed, |
773 | doc: /* Set non-nil by defining or altering any word abbrevs. | |
b39fb64b | 774 | This causes `save-some-buffers' to offer to save the abbrevs. */); |
7942b8ae RS |
775 | abbrevs_changed = 0; |
776 | ||
7ee72033 MB |
777 | DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps, |
778 | doc: /* *Set non-nil means expand multi-word abbrevs all caps if abbrev was so. */); | |
7942b8ae RS |
779 | abbrev_all_caps = 0; |
780 | ||
7ee72033 MB |
781 | DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook, |
782 | doc: /* Function or functions to be called before abbrev expansion is done. | |
b39fb64b PJ |
783 | This is the first thing that `expand-abbrev' does, and so this may change |
784 | the current abbrev table before abbrev lookup happens. */); | |
dbd7a969 RS |
785 | Vpre_abbrev_expand_hook = Qnil; |
786 | Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook"); | |
787 | staticpro (&Qpre_abbrev_expand_hook); | |
788 | ||
7942b8ae RS |
789 | defsubr (&Smake_abbrev_table); |
790 | defsubr (&Sclear_abbrev_table); | |
791 | defsubr (&Sdefine_abbrev); | |
792 | defsubr (&Sdefine_global_abbrev); | |
793 | defsubr (&Sdefine_mode_abbrev); | |
794 | defsubr (&Sabbrev_expansion); | |
795 | defsubr (&Sabbrev_symbol); | |
796 | defsubr (&Sexpand_abbrev); | |
797 | defsubr (&Sunexpand_abbrev); | |
798 | defsubr (&Sinsert_abbrev_table_description); | |
799 | defsubr (&Sdefine_abbrev_table); | |
800 | } | |
ab5796a9 MB |
801 | |
802 | /* arch-tag: b721db69-f633-44a8-a361-c275acbdad7d | |
803 | (do not change this comment) */ |