Commit | Line | Data |
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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 RS |
91 | { |
92 | return Fmake_vector (make_number (59), make_number (0)); | |
93 | } | |
94 | ||
95 | DEFUN ("clear-abbrev-table", Fclear_abbrev_table, Sclear_abbrev_table, 1, 1, 0, | |
7ee72033 MB |
96 | doc: /* Undefine all abbrevs in abbrev table TABLE, leaving it empty. */) |
97 | (table) | |
7942b8ae RS |
98 | Lisp_Object table; |
99 | { | |
100 | int i, size; | |
101 | ||
b7826503 | 102 | CHECK_VECTOR (table); |
7942b8ae RS |
103 | size = XVECTOR (table)->size; |
104 | abbrevs_changed = 1; | |
105 | for (i = 0; i < size; i++) | |
106 | XVECTOR (table)->contents[i] = make_number (0); | |
107 | return Qnil; | |
108 | } | |
109 | \f | |
2d6c1fc0 | 110 | DEFUN ("define-abbrev", Fdefine_abbrev, Sdefine_abbrev, 3, 6, 0, |
7ee72033 | 111 | doc: /* Define an abbrev in TABLE named NAME, to expand to EXPANSION and call HOOK. |
b39fb64b PJ |
112 | NAME must be a string. |
113 | EXPANSION should usually be a string. | |
114 | To undefine an abbrev, define it with EXPANSION = nil. | |
115 | If HOOK is non-nil, it should be a function of no arguments; | |
116 | it is called after EXPANSION is inserted. | |
117 | If EXPANSION is not a string, the abbrev is a special one, | |
118 | which does not expand in the usual way but only runs HOOK. | |
2d6c1fc0 RS |
119 | |
120 | COUNT, if specified, gives the initial value for the abbrev's | |
121 | usage-count, which is incremented each time the abbrev is used. | |
122 | \(The default is zero.) | |
123 | ||
124 | SYSTEM-FLAG, if non-nil, says that this is a "system" abbreviation | |
125 | which should not be saved in the user's abbreviation file. */) | |
126 | (table, name, expansion, hook, count, system_flag) | |
127 | Lisp_Object table, name, expansion, hook, count, system_flag; | |
7942b8ae RS |
128 | { |
129 | Lisp_Object sym, oexp, ohook, tem; | |
b7826503 PJ |
130 | CHECK_VECTOR (table); |
131 | CHECK_STRING (name); | |
b7734773 | 132 | |
d427b66a | 133 | if (NILP (count)) |
7942b8ae RS |
134 | count = make_number (0); |
135 | else | |
b7826503 | 136 | CHECK_NUMBER (count); |
7942b8ae RS |
137 | |
138 | sym = Fintern (name, table); | |
139 | ||
a97569cb | 140 | oexp = SYMBOL_VALUE (sym); |
7942b8ae RS |
141 | ohook = XSYMBOL (sym)->function; |
142 | if (!((EQ (oexp, expansion) | |
09e82d7c | 143 | || (STRINGP (oexp) && STRINGP (expansion) |
d427b66a | 144 | && (tem = Fstring_equal (oexp, expansion), !NILP (tem)))) |
7942b8ae RS |
145 | && |
146 | (EQ (ohook, hook) | |
2d6c1fc0 RS |
147 | || (tem = Fequal (ohook, hook), !NILP (tem)))) |
148 | && NILP (system_flag)) | |
7942b8ae RS |
149 | abbrevs_changed = 1; |
150 | ||
151 | Fset (sym, expansion); | |
152 | Ffset (sym, hook); | |
2d6c1fc0 RS |
153 | |
154 | if (! NILP (system_flag)) | |
155 | Fsetplist (sym, list4 (Qcount, count, Qsystem_type, system_flag)); | |
156 | else | |
157 | Fsetplist (sym, count); | |
7942b8ae RS |
158 | |
159 | return name; | |
160 | } | |
161 | ||
162 | DEFUN ("define-global-abbrev", Fdefine_global_abbrev, Sdefine_global_abbrev, 2, 2, | |
b39fb64b | 163 | "sDefine global abbrev: \nsExpansion for %s: ", |
7ee72033 MB |
164 | doc: /* Define ABBREV as a global abbreviation for EXPANSION. */) |
165 | (abbrev, expansion) | |
78ce396a | 166 | Lisp_Object abbrev, expansion; |
7942b8ae | 167 | { |
78ce396a | 168 | Fdefine_abbrev (Vglobal_abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 169 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 170 | return abbrev; |
7942b8ae RS |
171 | } |
172 | ||
173 | DEFUN ("define-mode-abbrev", Fdefine_mode_abbrev, Sdefine_mode_abbrev, 2, 2, | |
b39fb64b | 174 | "sDefine mode abbrev: \nsExpansion for %s: ", |
7ee72033 MB |
175 | doc: /* Define ABBREV as a mode-specific abbreviation for EXPANSION. */) |
176 | (abbrev, expansion) | |
78ce396a | 177 | Lisp_Object abbrev, expansion; |
7942b8ae | 178 | { |
d427b66a | 179 | if (NILP (current_buffer->abbrev_table)) |
7942b8ae RS |
180 | error ("Major mode has no abbrev table"); |
181 | ||
78ce396a | 182 | Fdefine_abbrev (current_buffer->abbrev_table, Fdowncase (abbrev), |
2d6c1fc0 | 183 | expansion, Qnil, make_number (0), Qnil); |
78ce396a | 184 | return abbrev; |
7942b8ae RS |
185 | } |
186 | ||
187 | DEFUN ("abbrev-symbol", Fabbrev_symbol, Sabbrev_symbol, 1, 2, 0, | |
7ee72033 | 188 | doc: /* Return the symbol representing abbrev named ABBREV. |
b39fb64b PJ |
189 | This symbol's name is ABBREV, but it is not the canonical symbol of that name; |
190 | it is interned in an abbrev-table rather than the normal obarray. | |
191 | The value is nil if that abbrev is not defined. | |
192 | Optional second arg TABLE is abbrev table to look it up in. | |
7ee72033 MB |
193 | The default is to try buffer's mode-specific abbrev table, then global table. */) |
194 | (abbrev, table) | |
7942b8ae RS |
195 | Lisp_Object abbrev, table; |
196 | { | |
197 | Lisp_Object sym; | |
b7826503 | 198 | CHECK_STRING (abbrev); |
d427b66a | 199 | if (!NILP (table)) |
7942b8ae RS |
200 | sym = Fintern_soft (abbrev, table); |
201 | else | |
202 | { | |
203 | sym = Qnil; | |
d427b66a | 204 | if (!NILP (current_buffer->abbrev_table)) |
7942b8ae | 205 | sym = Fintern_soft (abbrev, current_buffer->abbrev_table); |
a97569cb | 206 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 207 | sym = Qnil; |
d427b66a | 208 | if (NILP (sym)) |
7942b8ae RS |
209 | sym = Fintern_soft (abbrev, Vglobal_abbrev_table); |
210 | } | |
a97569cb GM |
211 | if (NILP (SYMBOL_VALUE (sym))) |
212 | return Qnil; | |
7942b8ae RS |
213 | return sym; |
214 | } | |
215 | ||
216 | DEFUN ("abbrev-expansion", Fabbrev_expansion, Sabbrev_expansion, 1, 2, 0, | |
7ee72033 | 217 | doc: /* Return the string that ABBREV expands into in the current buffer. |
b39fb64b | 218 | Optionally specify an abbrev table as second arg; |
7ee72033 MB |
219 | then ABBREV is looked up in that table only. */) |
220 | (abbrev, table) | |
7942b8ae RS |
221 | Lisp_Object abbrev, table; |
222 | { | |
223 | Lisp_Object sym; | |
224 | sym = Fabbrev_symbol (abbrev, table); | |
d427b66a | 225 | if (NILP (sym)) return sym; |
7942b8ae RS |
226 | return Fsymbol_value (sym); |
227 | } | |
228 | \f | |
229 | /* Expand the word before point, if it is an abbrev. | |
230 | Returns 1 if an expansion is done. */ | |
231 | ||
232 | DEFUN ("expand-abbrev", Fexpand_abbrev, Sexpand_abbrev, 0, 0, "", | |
7ee72033 | 233 | doc: /* Expand the abbrev before point, if there is an abbrev there. |
b39fb64b | 234 | Effective when explicitly called even when `abbrev-mode' is nil. |
7ee72033 MB |
235 | Returns the abbrev symbol, if expansion took place. */) |
236 | () | |
7942b8ae RS |
237 | { |
238 | register char *buffer, *p; | |
aa406bac RS |
239 | int wordstart, wordend; |
240 | register int wordstart_byte, wordend_byte, idx; | |
7942b8ae RS |
241 | int whitecnt; |
242 | int uccount = 0, lccount = 0; | |
243 | register Lisp_Object sym; | |
244 | Lisp_Object expansion, hook, tem; | |
ba70da8f | 245 | Lisp_Object value; |
7942b8ae | 246 | |
f530ce27 RS |
247 | value = Qnil; |
248 | ||
6a15331f | 249 | Frun_hooks (1, &Qpre_abbrev_expand_hook); |
dbd7a969 | 250 | |
dc7e2b30 | 251 | wordstart = 0; |
f530ce27 RS |
252 | if (!(BUFFERP (Vabbrev_start_location_buffer) |
253 | && XBUFFER (Vabbrev_start_location_buffer) == current_buffer)) | |
7942b8ae | 254 | Vabbrev_start_location = Qnil; |
d427b66a | 255 | if (!NILP (Vabbrev_start_location)) |
7942b8ae RS |
256 | { |
257 | tem = Vabbrev_start_location; | |
b7826503 | 258 | CHECK_NUMBER_COERCE_MARKER (tem); |
7942b8ae RS |
259 | wordstart = XINT (tem); |
260 | Vabbrev_start_location = Qnil; | |
dc7e2b30 KH |
261 | if (wordstart < BEGV || wordstart > ZV) |
262 | wordstart = 0; | |
aa406bac RS |
263 | if (wordstart && wordstart != ZV) |
264 | { | |
265 | wordstart_byte = CHAR_TO_BYTE (wordstart); | |
266 | if (FETCH_BYTE (wordstart_byte) == '-') | |
267 | del_range (wordstart, wordstart + 1); | |
268 | } | |
7942b8ae | 269 | } |
dc7e2b30 | 270 | if (!wordstart) |
6ec8bbd2 | 271 | wordstart = scan_words (PT, -1); |
7942b8ae RS |
272 | |
273 | if (!wordstart) | |
ba70da8f | 274 | return value; |
7942b8ae | 275 | |
aa406bac | 276 | wordstart_byte = CHAR_TO_BYTE (wordstart); |
7942b8ae RS |
277 | wordend = scan_words (wordstart, 1); |
278 | if (!wordend) | |
ba70da8f | 279 | return value; |
7942b8ae | 280 | |
6ec8bbd2 KH |
281 | if (wordend > PT) |
282 | wordend = PT; | |
aa406bac RS |
283 | |
284 | wordend_byte = CHAR_TO_BYTE (wordend); | |
6ec8bbd2 | 285 | whitecnt = PT - wordend; |
7942b8ae | 286 | if (wordend <= wordstart) |
ba70da8f | 287 | return value; |
7942b8ae | 288 | |
aa406bac | 289 | p = buffer = (char *) alloca (wordend_byte - wordstart_byte); |
7942b8ae | 290 | |
aa406bac | 291 | for (idx = wordstart_byte; idx < wordend_byte; idx++) |
7942b8ae | 292 | { |
aa406bac | 293 | /* ??? This loop needs to go by characters! */ |
fc44dfab | 294 | register int c = FETCH_BYTE (idx); |
7942b8ae RS |
295 | if (UPPERCASEP (c)) |
296 | c = DOWNCASE (c), uccount++; | |
297 | else if (! NOCASEP (c)) | |
298 | lccount++; | |
299 | *p++ = c; | |
300 | } | |
301 | ||
09e82d7c | 302 | if (VECTORP (current_buffer->abbrev_table)) |
fc412686 RS |
303 | sym = oblookup (current_buffer->abbrev_table, buffer, |
304 | wordend - wordstart, wordend_byte - wordstart_byte); | |
7942b8ae | 305 | else |
2a43e2bc | 306 | XSETFASTINT (sym, 0); |
2d6c1fc0 | 307 | |
a97569cb | 308 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
fc412686 RS |
309 | sym = oblookup (Vglobal_abbrev_table, buffer, |
310 | wordend - wordstart, wordend_byte - wordstart_byte); | |
a97569cb | 311 | if (INTEGERP (sym) || NILP (SYMBOL_VALUE (sym))) |
ba70da8f | 312 | return value; |
7942b8ae RS |
313 | |
314 | if (INTERACTIVE && !EQ (minibuf_window, selected_window)) | |
315 | { | |
aba686ed RS |
316 | /* Add an undo boundary, in case we are doing this for |
317 | a self-inserting command which has avoided making one so far. */ | |
7942b8ae RS |
318 | SET_PT (wordend); |
319 | Fundo_boundary (); | |
320 | } | |
b7734773 | 321 | |
7942b8ae RS |
322 | Vlast_abbrev_text |
323 | = Fbuffer_substring (make_number (wordstart), make_number (wordend)); | |
7942b8ae | 324 | |
b7734773 | 325 | /* Now sym is the abbrev symbol. */ |
7942b8ae | 326 | Vlast_abbrev = sym; |
f530ce27 | 327 | value = sym; |
7942b8ae RS |
328 | last_abbrev_point = wordstart; |
329 | ||
2d6c1fc0 | 330 | /* Increment use count. */ |
09e82d7c | 331 | if (INTEGERP (XSYMBOL (sym)->plist)) |
7942b8ae | 332 | XSETINT (XSYMBOL (sym)->plist, |
2d6c1fc0 | 333 | XINT (XSYMBOL (sym)->plist) + 1); |
8d320872 | 334 | else if (INTEGERP (tem = Fget (sym, Qcount))) |
2d6c1fc0 | 335 | Fput (sym, Qcount, make_number (XINT (tem) + 1)); |
7942b8ae | 336 | |
b7734773 RS |
337 | /* If this abbrev has an expansion, delete the abbrev |
338 | and insert the expansion. */ | |
a97569cb | 339 | expansion = SYMBOL_VALUE (sym); |
b7734773 | 340 | if (STRINGP (expansion)) |
7942b8ae | 341 | { |
b7734773 RS |
342 | SET_PT (wordstart); |
343 | ||
bc69581b | 344 | del_range_both (wordstart, wordstart_byte, wordend, wordend_byte, 1); |
b7734773 | 345 | |
fc412686 | 346 | insert_from_string (expansion, 0, 0, XSTRING (expansion)->size, |
fc932ac6 | 347 | STRING_BYTES (XSTRING (expansion)), 1); |
b7734773 RS |
348 | SET_PT (PT + whitecnt); |
349 | ||
350 | if (uccount && !lccount) | |
351 | { | |
352 | /* Abbrev was all caps */ | |
353 | /* If expansion is multiple words, normally capitalize each word */ | |
354 | /* This used to be if (!... && ... >= ...) Fcapitalize; else Fupcase | |
355 | but Megatest 68000 compiler can't handle that */ | |
356 | if (!abbrev_all_caps) | |
357 | if (scan_words (PT, -1) > scan_words (wordstart, 1)) | |
358 | { | |
359 | Fupcase_initials_region (make_number (wordstart), | |
360 | make_number (PT)); | |
361 | goto caped; | |
362 | } | |
363 | /* If expansion is one word, or if user says so, upcase it all. */ | |
364 | Fupcase_region (make_number (wordstart), make_number (PT)); | |
365 | caped: ; | |
366 | } | |
367 | else if (uccount) | |
368 | { | |
369 | /* Abbrev included some caps. Cap first initial of expansion */ | |
aa406bac | 370 | int pos = wordstart_byte; |
b7734773 RS |
371 | |
372 | /* Find the initial. */ | |
aa406bac RS |
373 | while (pos < PT_BYTE |
374 | && SYNTAX (*BUF_BYTE_ADDRESS (current_buffer, pos)) != Sword) | |
b7734773 RS |
375 | pos++; |
376 | ||
377 | /* Change just that. */ | |
aa406bac | 378 | pos = BYTE_TO_CHAR (pos); |
b7734773 RS |
379 | Fupcase_initials_region (make_number (pos), make_number (pos + 1)); |
380 | } | |
7942b8ae RS |
381 | } |
382 | ||
383 | hook = XSYMBOL (sym)->function; | |
d427b66a | 384 | if (!NILP (hook)) |
79d2af9c GM |
385 | { |
386 | Lisp_Object expanded, prop; | |
387 | ||
c87dbfd0 | 388 | /* If the abbrev has a hook function, run it. */ |
79d2af9c | 389 | expanded = call0 (hook); |
c87dbfd0 RS |
390 | |
391 | /* In addition, if the hook function is a symbol with a a | |
392 | non-nil `no-self-insert' property, let the value it returned | |
393 | specify whether we consider that an expansion took place. If | |
394 | it returns nil, no expansion has been done. */ | |
395 | ||
79d2af9c GM |
396 | if (SYMBOLP (hook) |
397 | && NILP (expanded) | |
398 | && (prop = Fget (hook, intern ("no-self-insert")), | |
399 | !NILP (prop))) | |
400 | value = Qnil; | |
401 | } | |
7942b8ae | 402 | |
f530ce27 | 403 | return value; |
7942b8ae RS |
404 | } |
405 | ||
406 | DEFUN ("unexpand-abbrev", Funexpand_abbrev, Sunexpand_abbrev, 0, 0, "", | |
7ee72033 | 407 | doc: /* Undo the expansion of the last abbrev that expanded. |
b39fb64b | 408 | This differs from ordinary undo in that other editing done since then |
7ee72033 MB |
409 | is not undone. */) |
410 | () | |
7942b8ae | 411 | { |
6ec8bbd2 | 412 | int opoint = PT; |
7942b8ae RS |
413 | int adjust = 0; |
414 | if (last_abbrev_point < BEGV | |
415 | || last_abbrev_point > ZV) | |
416 | return Qnil; | |
417 | SET_PT (last_abbrev_point); | |
09e82d7c | 418 | if (STRINGP (Vlast_abbrev_text)) |
7942b8ae RS |
419 | { |
420 | /* This isn't correct if Vlast_abbrev->function was used | |
421 | to do the expansion */ | |
422 | Lisp_Object val; | |
aa406bac RS |
423 | int zv_before; |
424 | ||
a97569cb | 425 | val = SYMBOL_VALUE (Vlast_abbrev); |
09e82d7c | 426 | if (!STRINGP (val)) |
4458687c | 427 | error ("value of abbrev-symbol must be a string"); |
aa406bac | 428 | zv_before = ZV; |
fc932ac6 | 429 | del_range_byte (PT_BYTE, PT_BYTE + STRING_BYTES (XSTRING (val)), 1); |
0c287112 | 430 | /* Don't inherit properties here; just copy from old contents. */ |
fc412686 RS |
431 | insert_from_string (Vlast_abbrev_text, 0, 0, |
432 | XSTRING (Vlast_abbrev_text)->size, | |
fc932ac6 | 433 | STRING_BYTES (XSTRING (Vlast_abbrev_text)), 0); |
7942b8ae | 434 | Vlast_abbrev_text = Qnil; |
aa406bac RS |
435 | /* Total number of characters deleted. */ |
436 | adjust = ZV - zv_before; | |
7942b8ae | 437 | } |
57522629 | 438 | SET_PT (last_abbrev_point < opoint ? opoint + adjust : opoint); |
7942b8ae RS |
439 | return Qnil; |
440 | } | |
441 | \f | |
aa406bac | 442 | static void |
7942b8ae RS |
443 | write_abbrev (sym, stream) |
444 | Lisp_Object sym, stream; | |
445 | { | |
2d6c1fc0 RS |
446 | Lisp_Object name, count, system_flag; |
447 | ||
448 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
449 | { | |
450 | count = XSYMBOL (sym)->plist; | |
451 | system_flag = Qnil; | |
452 | } | |
453 | else | |
454 | { | |
455 | count = Fget (sym, Qcount); | |
456 | system_flag = Fget (sym, Qsystem_type); | |
457 | } | |
458 | ||
459 | if (NILP (SYMBOL_VALUE (sym)) || ! NILP (system_flag)) | |
7942b8ae | 460 | return; |
2d6c1fc0 | 461 | |
7942b8ae | 462 | insert (" (", 5); |
6520d056 | 463 | XSETSTRING (name, XSYMBOL (sym)->name); |
7942b8ae RS |
464 | Fprin1 (name, stream); |
465 | insert (" ", 1); | |
a97569cb | 466 | Fprin1 (SYMBOL_VALUE (sym), stream); |
7942b8ae RS |
467 | insert (" ", 1); |
468 | Fprin1 (XSYMBOL (sym)->function, stream); | |
469 | insert (" ", 1); | |
2d6c1fc0 | 470 | Fprin1 (count, stream); |
7942b8ae RS |
471 | insert (")\n", 2); |
472 | } | |
473 | ||
aa406bac | 474 | static void |
7942b8ae RS |
475 | describe_abbrev (sym, stream) |
476 | Lisp_Object sym, stream; | |
477 | { | |
2d6c1fc0 RS |
478 | Lisp_Object one, count, system_flag; |
479 | ||
480 | if (INTEGERP (XSYMBOL (sym)->plist)) | |
481 | { | |
482 | count = XSYMBOL (sym)->plist; | |
483 | system_flag = Qnil; | |
484 | } | |
485 | else | |
486 | { | |
487 | count = Fget (sym, Qcount); | |
488 | system_flag = Fget (sym, Qsystem_type); | |
489 | } | |
7942b8ae | 490 | |
a97569cb | 491 | if (NILP (SYMBOL_VALUE (sym))) |
7942b8ae | 492 | return; |
2d6c1fc0 | 493 | |
7942b8ae RS |
494 | one = make_number (1); |
495 | Fprin1 (Fsymbol_name (sym), stream); | |
2d6c1fc0 RS |
496 | |
497 | if (!NILP (system_flag)) | |
498 | { | |
499 | insert_string (" (sys)"); | |
500 | Findent_to (make_number (20), one); | |
501 | } | |
502 | else | |
503 | Findent_to (make_number (15), one); | |
504 | ||
505 | Fprin1 (count, stream); | |
7942b8ae | 506 | Findent_to (make_number (20), one); |
a97569cb | 507 | Fprin1 (SYMBOL_VALUE (sym), stream); |
d427b66a | 508 | if (!NILP (XSYMBOL (sym)->function)) |
7942b8ae RS |
509 | { |
510 | Findent_to (make_number (45), one); | |
511 | Fprin1 (XSYMBOL (sym)->function, stream); | |
512 | } | |
513 | Fterpri (stream); | |
514 | } | |
515 | ||
a0d76c27 | 516 | DEFUN ("insert-abbrev-table-description", Finsert_abbrev_table_description, |
03be2694 | 517 | Sinsert_abbrev_table_description, 1, 2, 0, |
7ee72033 | 518 | doc: /* Insert before point a full description of abbrev table named NAME. |
b39fb64b PJ |
519 | NAME is a symbol whose value is an abbrev table. |
520 | If optional 2nd arg READABLE is non-nil, a human-readable description | |
521 | is inserted. Otherwise the description is an expression, | |
522 | a call to `define-abbrev-table', which would | |
2d6c1fc0 RS |
523 | define the abbrev table NAME exactly as it is currently defined. |
524 | ||
525 | Abbrevs marked as "system abbrevs" are omitted. */) | |
7ee72033 | 526 | (name, readable) |
7942b8ae RS |
527 | Lisp_Object name, readable; |
528 | { | |
529 | Lisp_Object table; | |
530 | Lisp_Object stream; | |
531 | ||
b7826503 | 532 | CHECK_SYMBOL (name); |
7942b8ae | 533 | table = Fsymbol_value (name); |
b7826503 | 534 | CHECK_VECTOR (table); |
7942b8ae | 535 | |
6520d056 | 536 | XSETBUFFER (stream, current_buffer); |
7942b8ae | 537 | |
d427b66a | 538 | if (!NILP (readable)) |
7942b8ae RS |
539 | { |
540 | insert_string ("("); | |
541 | Fprin1 (name, stream); | |
542 | insert_string (")\n\n"); | |
543 | map_obarray (table, describe_abbrev, stream); | |
544 | insert_string ("\n\n"); | |
545 | } | |
546 | else | |
547 | { | |
548 | insert_string ("(define-abbrev-table '"); | |
549 | Fprin1 (name, stream); | |
550 | insert_string (" '(\n"); | |
551 | map_obarray (table, write_abbrev, stream); | |
552 | insert_string (" ))\n\n"); | |
553 | } | |
554 | ||
555 | return Qnil; | |
556 | } | |
557 | \f | |
558 | DEFUN ("define-abbrev-table", Fdefine_abbrev_table, Sdefine_abbrev_table, | |
559 | 2, 2, 0, | |
7ee72033 | 560 | doc: /* Define TABLENAME (a symbol) as an abbrev table name. |
b39fb64b | 561 | Define abbrevs in it according to DEFINITIONS, which is a list of elements |
2d6c1fc0 RS |
562 | of the form (ABBREVNAME EXPANSION HOOK USECOUNT SYSTEMFLAG). |
563 | \(If the list is shorter than that, omitted elements default to nil). */) | |
7ee72033 | 564 | (tablename, definitions) |
b9d613cc | 565 | Lisp_Object tablename, definitions; |
7942b8ae RS |
566 | { |
567 | Lisp_Object name, exp, hook, count; | |
2d6c1fc0 | 568 | Lisp_Object table, elt, sys; |
7942b8ae | 569 | |
b7826503 | 570 | CHECK_SYMBOL (tablename); |
78ce396a EN |
571 | table = Fboundp (tablename); |
572 | if (NILP (table) || (table = Fsymbol_value (tablename), NILP (table))) | |
7942b8ae RS |
573 | { |
574 | table = Fmake_abbrev_table (); | |
78ce396a | 575 | Fset (tablename, table); |
b9d613cc | 576 | Vabbrev_table_name_list = Fcons (tablename, Vabbrev_table_name_list); |
7942b8ae | 577 | } |
b7826503 | 578 | CHECK_VECTOR (table); |
7942b8ae | 579 | |
b9d613cc | 580 | for (; !NILP (definitions); definitions = Fcdr (definitions)) |
7942b8ae | 581 | { |
78ce396a | 582 | elt = Fcar (definitions); |
0292bcb1 JB |
583 | name = Fcar (elt); elt = Fcdr (elt); |
584 | exp = Fcar (elt); elt = Fcdr (elt); | |
585 | hook = Fcar (elt); elt = Fcdr (elt); | |
2d6c1fc0 RS |
586 | count = Fcar (elt); elt = Fcdr (elt); |
587 | sys = Fcar (elt); | |
588 | Fdefine_abbrev (table, name, exp, hook, count, sys); | |
7942b8ae RS |
589 | } |
590 | return Qnil; | |
591 | } | |
592 | \f | |
dfcf069d | 593 | void |
7942b8ae RS |
594 | syms_of_abbrev () |
595 | { | |
2d6c1fc0 RS |
596 | Qsystem_type = intern ("system-type"); |
597 | staticpro (&Qsystem_type); | |
598 | ||
599 | Qcount = intern ("count"); | |
600 | staticpro (&Qcount); | |
601 | ||
7ee72033 MB |
602 | DEFVAR_LISP ("abbrev-table-name-list", &Vabbrev_table_name_list, |
603 | doc: /* List of symbols whose values are abbrev tables. */); | |
7942b8ae RS |
604 | Vabbrev_table_name_list = Fcons (intern ("fundamental-mode-abbrev-table"), |
605 | Fcons (intern ("global-abbrev-table"), | |
606 | Qnil)); | |
607 | ||
7ee72033 MB |
608 | DEFVAR_LISP ("global-abbrev-table", &Vglobal_abbrev_table, |
609 | doc: /* The abbrev table whose abbrevs affect all buffers. | |
b39fb64b PJ |
610 | Each buffer may also have a local abbrev table. |
611 | If it does, the local table overrides the global one | |
612 | for any particular abbrev defined in both. */); | |
7942b8ae RS |
613 | Vglobal_abbrev_table = Fmake_abbrev_table (); |
614 | ||
7ee72033 MB |
615 | DEFVAR_LISP ("fundamental-mode-abbrev-table", &Vfundamental_mode_abbrev_table, |
616 | doc: /* The abbrev table of mode-specific abbrevs for Fundamental Mode. */); | |
7942b8ae RS |
617 | Vfundamental_mode_abbrev_table = Fmake_abbrev_table (); |
618 | current_buffer->abbrev_table = Vfundamental_mode_abbrev_table; | |
c8bb8167 | 619 | buffer_defaults.abbrev_table = Vfundamental_mode_abbrev_table; |
7942b8ae | 620 | |
7ee72033 MB |
621 | DEFVAR_LISP ("last-abbrev", &Vlast_abbrev, |
622 | doc: /* The abbrev-symbol of the last abbrev expanded. See `abbrev-symbol'. */); | |
7942b8ae | 623 | |
7ee72033 MB |
624 | DEFVAR_LISP ("last-abbrev-text", &Vlast_abbrev_text, |
625 | doc: /* The exact text of the last abbrev expanded. | |
b39fb64b | 626 | nil if the abbrev has already been unexpanded. */); |
7942b8ae | 627 | |
7ee72033 MB |
628 | DEFVAR_INT ("last-abbrev-location", &last_abbrev_point, |
629 | doc: /* The location of the start of the last abbrev expanded. */); | |
7942b8ae RS |
630 | |
631 | Vlast_abbrev = Qnil; | |
632 | Vlast_abbrev_text = Qnil; | |
633 | last_abbrev_point = 0; | |
634 | ||
7ee72033 MB |
635 | DEFVAR_LISP ("abbrev-start-location", &Vabbrev_start_location, |
636 | doc: /* Buffer position for `expand-abbrev' to use as the start of the abbrev. | |
b39fb64b PJ |
637 | nil means use the word before point as the abbrev. |
638 | Calling `expand-abbrev' sets this to nil. */); | |
7942b8ae RS |
639 | Vabbrev_start_location = Qnil; |
640 | ||
7ee72033 MB |
641 | DEFVAR_LISP ("abbrev-start-location-buffer", &Vabbrev_start_location_buffer, |
642 | doc: /* Buffer that `abbrev-start-location' has been set for. | |
b39fb64b | 643 | Trying to expand an abbrev in any other buffer clears `abbrev-start-location'. */); |
7942b8ae RS |
644 | Vabbrev_start_location_buffer = Qnil; |
645 | ||
7ee72033 MB |
646 | DEFVAR_PER_BUFFER ("local-abbrev-table", ¤t_buffer->abbrev_table, Qnil, |
647 | doc: /* Local (mode-specific) abbrev table of current buffer. */); | |
7942b8ae | 648 | |
7ee72033 MB |
649 | DEFVAR_BOOL ("abbrevs-changed", &abbrevs_changed, |
650 | doc: /* Set non-nil by defining or altering any word abbrevs. | |
b39fb64b | 651 | This causes `save-some-buffers' to offer to save the abbrevs. */); |
7942b8ae RS |
652 | abbrevs_changed = 0; |
653 | ||
7ee72033 MB |
654 | DEFVAR_BOOL ("abbrev-all-caps", &abbrev_all_caps, |
655 | doc: /* *Set non-nil means expand multi-word abbrevs all caps if abbrev was so. */); | |
7942b8ae RS |
656 | abbrev_all_caps = 0; |
657 | ||
7ee72033 MB |
658 | DEFVAR_LISP ("pre-abbrev-expand-hook", &Vpre_abbrev_expand_hook, |
659 | doc: /* Function or functions to be called before abbrev expansion is done. | |
b39fb64b PJ |
660 | This is the first thing that `expand-abbrev' does, and so this may change |
661 | the current abbrev table before abbrev lookup happens. */); | |
dbd7a969 RS |
662 | Vpre_abbrev_expand_hook = Qnil; |
663 | Qpre_abbrev_expand_hook = intern ("pre-abbrev-expand-hook"); | |
664 | staticpro (&Qpre_abbrev_expand_hook); | |
665 | ||
7942b8ae RS |
666 | defsubr (&Smake_abbrev_table); |
667 | defsubr (&Sclear_abbrev_table); | |
668 | defsubr (&Sdefine_abbrev); | |
669 | defsubr (&Sdefine_global_abbrev); | |
670 | defsubr (&Sdefine_mode_abbrev); | |
671 | defsubr (&Sabbrev_expansion); | |
672 | defsubr (&Sabbrev_symbol); | |
673 | defsubr (&Sexpand_abbrev); | |
674 | defsubr (&Sunexpand_abbrev); | |
675 | defsubr (&Sinsert_abbrev_table_description); | |
676 | defsubr (&Sdefine_abbrev_table); | |
677 | } |