Commit | Line | Data |
---|---|---|
7921925c | 1 | /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter. |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1988, 1993, 1994, 1995, 1997, 1998, 1999, 2000, |
114f9c96 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
8cabe764 | 4 | Free Software Foundation, Inc. |
7921925c JB |
5 | |
6 | This file is part of GNU Emacs. | |
7 | ||
9ec0b715 | 8 | GNU Emacs is free software: you can redistribute it and/or modify |
7921925c | 9 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
10 | the Free Software Foundation, either version 3 of the License, or |
11 | (at your option) any later version. | |
7921925c JB |
12 | |
13 | GNU Emacs is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 19 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
7921925c JB |
20 | |
21 | ||
18160b98 | 22 | #include <config.h> |
68c45bf0 | 23 | #include <signal.h> |
dd8daec5 | 24 | #include <stdio.h> |
d7306fe6 | 25 | #include <setjmp.h> |
7921925c | 26 | #include "lisp.h" |
29eab336 | 27 | #include "puresize.h" |
e6e1f521 | 28 | #include "character.h" |
7921925c | 29 | #include "buffer.h" |
077d751f | 30 | #include "keyboard.h" |
b0c2d1c6 | 31 | #include "frame.h" |
a44804c2 | 32 | #include "syssignal.h" |
256c9c3a | 33 | #include "termhooks.h" /* For FRAME_KBOARD reference in y-or-n-p. */ |
4e6f2626 | 34 | #include "font.h" |
fb8e9847 | 35 | |
93b91208 | 36 | #ifdef STDC_HEADERS |
2f261542 | 37 | #include <float.h> |
93b91208 | 38 | #endif |
defa77b5 | 39 | |
ad8d56b9 PE |
40 | /* If IEEE_FLOATING_POINT isn't defined, default it from FLT_*. */ |
41 | #ifndef IEEE_FLOATING_POINT | |
42 | #if (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \ | |
43 | && FLT_MIN_EXP == -125 && FLT_MAX_EXP == 128) | |
44 | #define IEEE_FLOATING_POINT 1 | |
45 | #else | |
46 | #define IEEE_FLOATING_POINT 0 | |
47 | #endif | |
48 | #endif | |
49 | ||
7921925c | 50 | #include <math.h> |
7921925c | 51 | |
024ec58f BF |
52 | #if !defined (atof) |
53 | extern double atof (); | |
54 | #endif /* !atof */ | |
55 | ||
7921925c JB |
56 | Lisp_Object Qnil, Qt, Qquote, Qlambda, Qsubr, Qunbound; |
57 | Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; | |
58 | Lisp_Object Qerror, Qquit, Qwrong_type_argument, Qargs_out_of_range; | |
ffd56f97 | 59 | Lisp_Object Qvoid_variable, Qvoid_function, Qcyclic_function_indirection; |
13d95cc0 | 60 | Lisp_Object Qcyclic_variable_indirection, Qcircular_list; |
7921925c JB |
61 | Lisp_Object Qsetting_constant, Qinvalid_read_syntax; |
62 | Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; | |
3b8819d6 | 63 | Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
7921925c | 64 | Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
8f9f49d7 | 65 | Lisp_Object Qtext_read_only; |
6b61353c | 66 | |
8e86942b | 67 | Lisp_Object Qintegerp, Qnatnump, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
7921925c JB |
68 | Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
69 | Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; | |
cda9b832 | 70 | Lisp_Object Qbuffer_or_string_p, Qkeywordp; |
7921925c | 71 | Lisp_Object Qboundp, Qfboundp; |
7f0edce7 | 72 | Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
39bcc759 | 73 | |
7921925c | 74 | Lisp_Object Qcdr; |
c1307a23 | 75 | Lisp_Object Qad_advice_info, Qad_activate_internal; |
7921925c | 76 | |
6315e761 RS |
77 | Lisp_Object Qrange_error, Qdomain_error, Qsingularity_error; |
78 | Lisp_Object Qoverflow_error, Qunderflow_error; | |
79 | ||
464f8898 | 80 | Lisp_Object Qfloatp; |
7921925c | 81 | Lisp_Object Qnumberp, Qnumber_or_marker_p; |
7921925c | 82 | |
6b61353c KH |
83 | Lisp_Object Qinteger; |
84 | static Lisp_Object Qsymbol, Qstring, Qcons, Qmarker, Qoverlay; | |
8313c4e7 KH |
85 | static Lisp_Object Qfloat, Qwindow_configuration, Qwindow; |
86 | Lisp_Object Qprocess; | |
39bcc759 | 87 | static Lisp_Object Qcompiled_function, Qbuffer, Qframe, Qvector; |
81dc5de5 | 88 | static Lisp_Object Qchar_table, Qbool_vector, Qhash_table; |
6f0e897f | 89 | static Lisp_Object Qsubrp, Qmany, Qunevalled; |
4e6f2626 | 90 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
39bcc759 | 91 | |
3860280a CY |
92 | Lisp_Object Qinteractive_form; |
93 | ||
7a283f36 | 94 | static Lisp_Object swap_in_symval_forwarding P_ ((Lisp_Object, Lisp_Object)); |
d02eeab3 | 95 | |
9d113d9d | 96 | Lisp_Object Vmost_positive_fixnum, Vmost_negative_fixnum; |
e6190b11 | 97 | |
13d95cc0 GM |
98 | |
99 | void | |
100 | circular_list_error (list) | |
101 | Lisp_Object list; | |
102 | { | |
740ef0b5 | 103 | xsignal (Qcircular_list, list); |
13d95cc0 GM |
104 | } |
105 | ||
106 | ||
7921925c JB |
107 | Lisp_Object |
108 | wrong_type_argument (predicate, value) | |
109 | register Lisp_Object predicate, value; | |
110 | { | |
2de9f71c SM |
111 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
112 | where we can get a backtrace showing where it came from. We used | |
113 | to try and do that by checking the tagbits, but nowadays all | |
114 | tagbits are potentially valid. */ | |
115 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
116 | * abort (); */ | |
e1351ff7 | 117 | |
740ef0b5 | 118 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
119 | } |
120 | ||
dfcf069d | 121 | void |
7921925c JB |
122 | pure_write_error () |
123 | { | |
124 | error ("Attempt to modify read-only object"); | |
125 | } | |
126 | ||
127 | void | |
128 | args_out_of_range (a1, a2) | |
129 | Lisp_Object a1, a2; | |
130 | { | |
740ef0b5 | 131 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
132 | } |
133 | ||
134 | void | |
135 | args_out_of_range_3 (a1, a2, a3) | |
136 | Lisp_Object a1, a2, a3; | |
137 | { | |
740ef0b5 | 138 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
139 | } |
140 | ||
7921925c JB |
141 | /* On some machines, XINT needs a temporary location. |
142 | Here it is, in case it is needed. */ | |
143 | ||
144 | int sign_extend_temp; | |
145 | ||
146 | /* On a few machines, XINT can only be done by calling this. */ | |
147 | ||
148 | int | |
149 | sign_extend_lisp_int (num) | |
a0ed95ea | 150 | EMACS_INT num; |
7921925c | 151 | { |
a0ed95ea RS |
152 | if (num & (((EMACS_INT) 1) << (VALBITS - 1))) |
153 | return num | (((EMACS_INT) (-1)) << VALBITS); | |
7921925c | 154 | else |
a0ed95ea | 155 | return num & ((((EMACS_INT) 1) << VALBITS) - 1); |
7921925c JB |
156 | } |
157 | \f | |
158 | /* Data type predicates */ | |
159 | ||
160 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 PJ |
161 | doc: /* Return t if the two args are the same Lisp object. */) |
162 | (obj1, obj2) | |
7921925c JB |
163 | Lisp_Object obj1, obj2; |
164 | { | |
165 | if (EQ (obj1, obj2)) | |
166 | return Qt; | |
167 | return Qnil; | |
168 | } | |
169 | ||
8c1a1077 PJ |
170 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
171 | doc: /* Return t if OBJECT is nil. */) | |
172 | (object) | |
39bcc759 | 173 | Lisp_Object object; |
7921925c | 174 | { |
39bcc759 | 175 | if (NILP (object)) |
7921925c JB |
176 | return Qt; |
177 | return Qnil; | |
178 | } | |
179 | ||
39bcc759 | 180 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
181 | doc: /* Return a symbol representing the type of OBJECT. |
182 | The symbol returned names the object's basic type; | |
183 | for example, (type-of 1) returns `integer'. */) | |
184 | (object) | |
39bcc759 RS |
185 | Lisp_Object object; |
186 | { | |
8e50cc2d | 187 | switch (XTYPE (object)) |
39bcc759 | 188 | { |
2de9f71c | 189 | case_Lisp_Int: |
39bcc759 RS |
190 | return Qinteger; |
191 | ||
192 | case Lisp_Symbol: | |
193 | return Qsymbol; | |
194 | ||
195 | case Lisp_String: | |
196 | return Qstring; | |
197 | ||
198 | case Lisp_Cons: | |
199 | return Qcons; | |
200 | ||
201 | case Lisp_Misc: | |
324a6eef | 202 | switch (XMISCTYPE (object)) |
39bcc759 RS |
203 | { |
204 | case Lisp_Misc_Marker: | |
205 | return Qmarker; | |
206 | case Lisp_Misc_Overlay: | |
207 | return Qoverlay; | |
208 | case Lisp_Misc_Float: | |
209 | return Qfloat; | |
210 | } | |
211 | abort (); | |
212 | ||
213 | case Lisp_Vectorlike: | |
8e50cc2d | 214 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 215 | return Qwindow_configuration; |
8e50cc2d | 216 | if (PROCESSP (object)) |
39bcc759 | 217 | return Qprocess; |
8e50cc2d | 218 | if (WINDOWP (object)) |
39bcc759 | 219 | return Qwindow; |
8e50cc2d | 220 | if (SUBRP (object)) |
39bcc759 | 221 | return Qsubr; |
8e50cc2d | 222 | if (COMPILEDP (object)) |
39bcc759 | 223 | return Qcompiled_function; |
8e50cc2d | 224 | if (BUFFERP (object)) |
39bcc759 | 225 | return Qbuffer; |
8e50cc2d | 226 | if (CHAR_TABLE_P (object)) |
fc67d5be | 227 | return Qchar_table; |
8e50cc2d | 228 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 229 | return Qbool_vector; |
8e50cc2d | 230 | if (FRAMEP (object)) |
39bcc759 | 231 | return Qframe; |
8e50cc2d | 232 | if (HASH_TABLE_P (object)) |
81dc5de5 | 233 | return Qhash_table; |
4e6f2626 CY |
234 | if (FONT_SPEC_P (object)) |
235 | return Qfont_spec; | |
236 | if (FONT_ENTITY_P (object)) | |
237 | return Qfont_entity; | |
238 | if (FONT_OBJECT_P (object)) | |
239 | return Qfont_object; | |
39bcc759 RS |
240 | return Qvector; |
241 | ||
39bcc759 RS |
242 | case Lisp_Float: |
243 | return Qfloat; | |
39bcc759 RS |
244 | |
245 | default: | |
246 | abort (); | |
247 | } | |
248 | } | |
249 | ||
8c1a1077 PJ |
250 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
251 | doc: /* Return t if OBJECT is a cons cell. */) | |
252 | (object) | |
39bcc759 | 253 | Lisp_Object object; |
7921925c | 254 | { |
39bcc759 | 255 | if (CONSP (object)) |
7921925c JB |
256 | return Qt; |
257 | return Qnil; | |
258 | } | |
259 | ||
25638b07 | 260 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 PJ |
261 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
262 | (object) | |
39bcc759 | 263 | Lisp_Object object; |
7921925c | 264 | { |
39bcc759 | 265 | if (CONSP (object)) |
7921925c JB |
266 | return Qnil; |
267 | return Qt; | |
268 | } | |
269 | ||
25638b07 | 270 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
271 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
272 | Otherwise, return nil. */) | |
8c1a1077 | 273 | (object) |
39bcc759 | 274 | Lisp_Object object; |
7921925c | 275 | { |
39bcc759 | 276 | if (CONSP (object) || NILP (object)) |
7921925c JB |
277 | return Qt; |
278 | return Qnil; | |
279 | } | |
280 | ||
25638b07 | 281 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 PJ |
282 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
283 | (object) | |
39bcc759 | 284 | Lisp_Object object; |
7921925c | 285 | { |
39bcc759 | 286 | if (CONSP (object) || NILP (object)) |
7921925c JB |
287 | return Qnil; |
288 | return Qt; | |
289 | } | |
290 | \f | |
25638b07 | 291 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 PJ |
292 | doc: /* Return t if OBJECT is a symbol. */) |
293 | (object) | |
39bcc759 | 294 | Lisp_Object object; |
7921925c | 295 | { |
39bcc759 | 296 | if (SYMBOLP (object)) |
7921925c JB |
297 | return Qt; |
298 | return Qnil; | |
299 | } | |
300 | ||
cda9b832 DL |
301 | /* Define this in C to avoid unnecessarily consing up the symbol |
302 | name. */ | |
303 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
304 | doc: /* Return t if OBJECT is a keyword. |
305 | This means that it is a symbol with a print name beginning with `:' | |
306 | interned in the initial obarray. */) | |
307 | (object) | |
cda9b832 DL |
308 | Lisp_Object object; |
309 | { | |
310 | if (SYMBOLP (object) | |
d5db4077 | 311 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 312 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
313 | return Qt; |
314 | return Qnil; | |
315 | } | |
316 | ||
25638b07 | 317 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 PJ |
318 | doc: /* Return t if OBJECT is a vector. */) |
319 | (object) | |
39bcc759 | 320 | Lisp_Object object; |
7921925c | 321 | { |
39bcc759 | 322 | if (VECTORP (object)) |
7921925c JB |
323 | return Qt; |
324 | return Qnil; | |
325 | } | |
326 | ||
25638b07 | 327 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 PJ |
328 | doc: /* Return t if OBJECT is a string. */) |
329 | (object) | |
39bcc759 | 330 | Lisp_Object object; |
7921925c | 331 | { |
39bcc759 | 332 | if (STRINGP (object)) |
7921925c JB |
333 | return Qt; |
334 | return Qnil; | |
335 | } | |
336 | ||
25638b07 | 337 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 PJ |
338 | 1, 1, 0, |
339 | doc: /* Return t if OBJECT is a multibyte string. */) | |
340 | (object) | |
25638b07 RS |
341 | Lisp_Object object; |
342 | { | |
343 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
344 | return Qt; | |
345 | return Qnil; | |
346 | } | |
347 | ||
348 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 PJ |
349 | doc: /* Return t if OBJECT is a char-table. */) |
350 | (object) | |
4d276982 RS |
351 | Lisp_Object object; |
352 | { | |
353 | if (CHAR_TABLE_P (object)) | |
354 | return Qt; | |
355 | return Qnil; | |
356 | } | |
357 | ||
7f0edce7 RS |
358 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
359 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 PJ |
360 | doc: /* Return t if OBJECT is a char-table or vector. */) |
361 | (object) | |
7f0edce7 RS |
362 | Lisp_Object object; |
363 | { | |
364 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
365 | return Qt; | |
366 | return Qnil; | |
367 | } | |
368 | ||
8c1a1077 PJ |
369 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
370 | doc: /* Return t if OBJECT is a bool-vector. */) | |
371 | (object) | |
4d276982 RS |
372 | Lisp_Object object; |
373 | { | |
374 | if (BOOL_VECTOR_P (object)) | |
375 | return Qt; | |
376 | return Qnil; | |
377 | } | |
378 | ||
8c1a1077 PJ |
379 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
380 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
381 | (object) | |
39bcc759 | 382 | Lisp_Object object; |
7921925c | 383 | { |
0c64a8cd | 384 | if (ARRAYP (object)) |
7921925c JB |
385 | return Qt; |
386 | return Qnil; | |
387 | } | |
388 | ||
389 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 PJ |
390 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
391 | (object) | |
39bcc759 | 392 | register Lisp_Object object; |
7921925c | 393 | { |
0c64a8cd | 394 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
395 | return Qt; |
396 | return Qnil; | |
397 | } | |
398 | ||
8c1a1077 PJ |
399 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
400 | doc: /* Return t if OBJECT is an editor buffer. */) | |
401 | (object) | |
39bcc759 | 402 | Lisp_Object object; |
7921925c | 403 | { |
39bcc759 | 404 | if (BUFFERP (object)) |
7921925c JB |
405 | return Qt; |
406 | return Qnil; | |
407 | } | |
408 | ||
8c1a1077 PJ |
409 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
410 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
411 | (object) | |
39bcc759 | 412 | Lisp_Object object; |
7921925c | 413 | { |
39bcc759 | 414 | if (MARKERP (object)) |
7921925c JB |
415 | return Qt; |
416 | return Qnil; | |
417 | } | |
418 | ||
8c1a1077 PJ |
419 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
420 | doc: /* Return t if OBJECT is a built-in function. */) | |
421 | (object) | |
39bcc759 | 422 | Lisp_Object object; |
7921925c | 423 | { |
39bcc759 | 424 | if (SUBRP (object)) |
7921925c JB |
425 | return Qt; |
426 | return Qnil; | |
427 | } | |
428 | ||
dbc4e1c1 | 429 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
430 | 1, 1, 0, |
431 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
432 | (object) | |
39bcc759 | 433 | Lisp_Object object; |
7921925c | 434 | { |
39bcc759 | 435 | if (COMPILEDP (object)) |
7921925c JB |
436 | return Qt; |
437 | return Qnil; | |
438 | } | |
439 | ||
0321d75c | 440 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 441 | doc: /* Return t if OBJECT is a character or a string. */) |
8c1a1077 | 442 | (object) |
39bcc759 | 443 | register Lisp_Object object; |
7921925c | 444 | { |
cfd70f33 | 445 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
446 | return Qt; |
447 | return Qnil; | |
448 | } | |
449 | \f | |
8c1a1077 PJ |
450 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
451 | doc: /* Return t if OBJECT is an integer. */) | |
452 | (object) | |
39bcc759 | 453 | Lisp_Object object; |
7921925c | 454 | { |
39bcc759 | 455 | if (INTEGERP (object)) |
7921925c JB |
456 | return Qt; |
457 | return Qnil; | |
458 | } | |
459 | ||
464f8898 | 460 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 PJ |
461 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
462 | (object) | |
39bcc759 | 463 | register Lisp_Object object; |
7921925c | 464 | { |
39bcc759 | 465 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
466 | return Qt; |
467 | return Qnil; | |
468 | } | |
469 | ||
0321d75c | 470 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 PJ |
471 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
472 | (object) | |
39bcc759 | 473 | Lisp_Object object; |
7921925c | 474 | { |
39bcc759 | 475 | if (NATNUMP (object)) |
7921925c JB |
476 | return Qt; |
477 | return Qnil; | |
478 | } | |
479 | ||
480 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 PJ |
481 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
482 | (object) | |
39bcc759 | 483 | Lisp_Object object; |
7921925c | 484 | { |
39bcc759 | 485 | if (NUMBERP (object)) |
7921925c | 486 | return Qt; |
dbc4e1c1 JB |
487 | else |
488 | return Qnil; | |
7921925c JB |
489 | } |
490 | ||
491 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
492 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 PJ |
493 | doc: /* Return t if OBJECT is a number or a marker. */) |
494 | (object) | |
39bcc759 | 495 | Lisp_Object object; |
7921925c | 496 | { |
39bcc759 | 497 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
498 | return Qt; |
499 | return Qnil; | |
500 | } | |
464f8898 | 501 | |
464f8898 | 502 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 PJ |
503 | doc: /* Return t if OBJECT is a floating point number. */) |
504 | (object) | |
39bcc759 | 505 | Lisp_Object object; |
464f8898 | 506 | { |
39bcc759 | 507 | if (FLOATP (object)) |
464f8898 RS |
508 | return Qt; |
509 | return Qnil; | |
510 | } | |
cc94f3b2 | 511 | |
7921925c JB |
512 | \f |
513 | /* Extract and set components of lists */ | |
514 | ||
515 | DEFUN ("car", Fcar, Scar, 1, 1, 0, | |
8c1a1077 | 516 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
517 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
518 | ||
da46c5be LT |
519 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
520 | Lisp concepts such as car, cdr, cons cell and list. */) | |
8c1a1077 | 521 | (list) |
7921925c JB |
522 | register Lisp_Object list; |
523 | { | |
0c64a8cd | 524 | return CAR (list); |
7921925c JB |
525 | } |
526 | ||
527 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, | |
8c1a1077 PJ |
528 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
529 | (object) | |
7921925c JB |
530 | Lisp_Object object; |
531 | { | |
0c64a8cd | 532 | return CAR_SAFE (object); |
7921925c JB |
533 | } |
534 | ||
535 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, | |
8c1a1077 | 536 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
537 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
538 | ||
da46c5be LT |
539 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
540 | Lisp concepts such as cdr, car, cons cell and list. */) | |
8c1a1077 | 541 | (list) |
7921925c JB |
542 | register Lisp_Object list; |
543 | { | |
0c64a8cd | 544 | return CDR (list); |
7921925c JB |
545 | } |
546 | ||
547 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, | |
8c1a1077 PJ |
548 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
549 | (object) | |
7921925c JB |
550 | Lisp_Object object; |
551 | { | |
0c64a8cd | 552 | return CDR_SAFE (object); |
7921925c JB |
553 | } |
554 | ||
555 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, | |
8c1a1077 PJ |
556 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
557 | (cell, newcar) | |
7921925c JB |
558 | register Lisp_Object cell, newcar; |
559 | { | |
0c64a8cd | 560 | CHECK_CONS (cell); |
7921925c | 561 | CHECK_IMPURE (cell); |
f3fbd155 | 562 | XSETCAR (cell, newcar); |
7921925c JB |
563 | return newcar; |
564 | } | |
565 | ||
566 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, | |
8c1a1077 PJ |
567 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
568 | (cell, newcdr) | |
7921925c JB |
569 | register Lisp_Object cell, newcdr; |
570 | { | |
0c64a8cd | 571 | CHECK_CONS (cell); |
7921925c | 572 | CHECK_IMPURE (cell); |
f3fbd155 | 573 | XSETCDR (cell, newcdr); |
7921925c JB |
574 | return newcdr; |
575 | } | |
576 | \f | |
577 | /* Extract and set components of symbols */ | |
578 | ||
8c1a1077 PJ |
579 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
580 | doc: /* Return t if SYMBOL's value is not void. */) | |
581 | (symbol) | |
d9c2a0f2 | 582 | register Lisp_Object symbol; |
7921925c JB |
583 | { |
584 | Lisp_Object valcontents; | |
b7826503 | 585 | CHECK_SYMBOL (symbol); |
7921925c | 586 | |
f35d5bad | 587 | valcontents = SYMBOL_VALUE (symbol); |
7921925c | 588 | |
67ee9f6e | 589 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
d9c2a0f2 | 590 | valcontents = swap_in_symval_forwarding (symbol, valcontents); |
7921925c | 591 | |
1bfcade3 | 592 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
593 | } |
594 | ||
8c1a1077 PJ |
595 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
596 | doc: /* Return t if SYMBOL's function definition is not void. */) | |
597 | (symbol) | |
d9c2a0f2 | 598 | register Lisp_Object symbol; |
7921925c | 599 | { |
b7826503 | 600 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 601 | return (EQ (XSYMBOL (symbol)->function, Qunbound) ? Qnil : Qt); |
7921925c JB |
602 | } |
603 | ||
8c1a1077 | 604 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
605 | doc: /* Make SYMBOL's value be void. |
606 | Return SYMBOL. */) | |
8c1a1077 | 607 | (symbol) |
d9c2a0f2 | 608 | register Lisp_Object symbol; |
7921925c | 609 | { |
b7826503 | 610 | CHECK_SYMBOL (symbol); |
64ec26d6 | 611 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 612 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
613 | Fset (symbol, Qunbound); |
614 | return symbol; | |
7921925c JB |
615 | } |
616 | ||
8c1a1077 | 617 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
bfb96cb7 FP |
618 | doc: /* Make SYMBOL's function definition be void. |
619 | Return SYMBOL. */) | |
8c1a1077 | 620 | (symbol) |
d9c2a0f2 | 621 | register Lisp_Object symbol; |
7921925c | 622 | { |
b7826503 | 623 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 624 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 625 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
626 | XSYMBOL (symbol)->function = Qunbound; |
627 | return symbol; | |
7921925c JB |
628 | } |
629 | ||
630 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, | |
8c1a1077 PJ |
631 | doc: /* Return SYMBOL's function definition. Error if that is void. */) |
632 | (symbol) | |
ffd56f97 | 633 | register Lisp_Object symbol; |
7921925c | 634 | { |
b7826503 | 635 | CHECK_SYMBOL (symbol); |
740ef0b5 KS |
636 | if (!EQ (XSYMBOL (symbol)->function, Qunbound)) |
637 | return XSYMBOL (symbol)->function; | |
638 | xsignal1 (Qvoid_function, symbol); | |
7921925c JB |
639 | } |
640 | ||
8c1a1077 PJ |
641 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
642 | doc: /* Return SYMBOL's property list. */) | |
643 | (symbol) | |
d9c2a0f2 | 644 | register Lisp_Object symbol; |
7921925c | 645 | { |
b7826503 | 646 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 647 | return XSYMBOL (symbol)->plist; |
7921925c JB |
648 | } |
649 | ||
8c1a1077 PJ |
650 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
651 | doc: /* Return SYMBOL's name, a string. */) | |
652 | (symbol) | |
d9c2a0f2 | 653 | register Lisp_Object symbol; |
7921925c JB |
654 | { |
655 | register Lisp_Object name; | |
656 | ||
b7826503 | 657 | CHECK_SYMBOL (symbol); |
84023177 | 658 | name = SYMBOL_NAME (symbol); |
7921925c JB |
659 | return name; |
660 | } | |
661 | ||
662 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, | |
8c1a1077 PJ |
663 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
664 | (symbol, definition) | |
8c0b5540 | 665 | register Lisp_Object symbol, definition; |
d9c2a0f2 | 666 | { |
764ea377 JB |
667 | register Lisp_Object function; |
668 | ||
b7826503 | 669 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 670 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 671 | xsignal1 (Qsetting_constant, symbol); |
764ea377 JB |
672 | |
673 | function = XSYMBOL (symbol)->function; | |
674 | ||
675 | if (!NILP (Vautoload_queue) && !EQ (function, Qunbound)) | |
676 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); | |
677 | ||
678 | if (CONSP (function) && EQ (XCAR (function), Qautoload)) | |
679 | Fput (symbol, Qautoload, XCDR (function)); | |
680 | ||
8c0b5540 | 681 | XSYMBOL (symbol)->function = definition; |
f845f2c9 | 682 | /* Handle automatic advice activation */ |
d9c2a0f2 | 683 | if (CONSP (XSYMBOL (symbol)->plist) && !NILP (Fget (symbol, Qad_advice_info))) |
f845f2c9 | 684 | { |
c1307a23 | 685 | call2 (Qad_activate_internal, symbol, Qnil); |
8c0b5540 | 686 | definition = XSYMBOL (symbol)->function; |
f845f2c9 | 687 | } |
8c0b5540 | 688 | return definition; |
7921925c JB |
689 | } |
690 | ||
d2fde41d SM |
691 | extern Lisp_Object Qfunction_documentation; |
692 | ||
693 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, | |
8c1a1077 | 694 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. |
96143227 RS |
695 | Associates the function with the current load file, if any. |
696 | The optional third argument DOCSTRING specifies the documentation string | |
697 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
698 | determined by DEFINITION. */) | |
d2fde41d SM |
699 | (symbol, definition, docstring) |
700 | register Lisp_Object symbol, definition, docstring; | |
fc08c367 | 701 | { |
8a658a52 | 702 | CHECK_SYMBOL (symbol); |
894f6538 RS |
703 | if (CONSP (XSYMBOL (symbol)->function) |
704 | && EQ (XCAR (XSYMBOL (symbol)->function), Qautoload)) | |
705 | LOADHIST_ATTACH (Fcons (Qt, symbol)); | |
32f532b7 | 706 | definition = Ffset (symbol, definition); |
62a29071 | 707 | LOADHIST_ATTACH (Fcons (Qdefun, symbol)); |
d2fde41d SM |
708 | if (!NILP (docstring)) |
709 | Fput (symbol, Qfunction_documentation, docstring); | |
73e0d965 | 710 | return definition; |
fc08c367 RS |
711 | } |
712 | ||
7921925c | 713 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 714 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
8c1a1077 | 715 | (symbol, newplist) |
d9c2a0f2 | 716 | register Lisp_Object symbol, newplist; |
7921925c | 717 | { |
b7826503 | 718 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 719 | XSYMBOL (symbol)->plist = newplist; |
7921925c JB |
720 | return newplist; |
721 | } | |
ffd56f97 | 722 | |
6f0e897f | 723 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
724 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
725 | SUBR must be a built-in function. | |
726 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
727 | of args. MAX is the maximum number or the symbol `many', for a | |
728 | function with `&rest' args, or `unevalled' for a special form. */) | |
729 | (subr) | |
6f0e897f DL |
730 | Lisp_Object subr; |
731 | { | |
732 | short minargs, maxargs; | |
0c64a8cd | 733 | CHECK_SUBR (subr); |
6f0e897f DL |
734 | minargs = XSUBR (subr)->min_args; |
735 | maxargs = XSUBR (subr)->max_args; | |
736 | if (maxargs == MANY) | |
737 | return Fcons (make_number (minargs), Qmany); | |
738 | else if (maxargs == UNEVALLED) | |
739 | return Fcons (make_number (minargs), Qunevalled); | |
740 | else | |
741 | return Fcons (make_number (minargs), make_number (maxargs)); | |
742 | } | |
743 | ||
0fddae66 SM |
744 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
745 | doc: /* Return name of subroutine SUBR. | |
746 | SUBR must be a built-in function. */) | |
747 | (subr) | |
748 | Lisp_Object subr; | |
749 | { | |
750 | const char *name; | |
0c64a8cd | 751 | CHECK_SUBR (subr); |
0fddae66 SM |
752 | name = XSUBR (subr)->symbol_name; |
753 | return make_string (name, strlen (name)); | |
754 | } | |
755 | ||
6b61353c KH |
756 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
757 | doc: /* Return the interactive form of CMD or nil if none. | |
df133612 LT |
758 | If CMD is not a command, the return value is nil. |
759 | Value, if non-nil, is a list \(interactive SPEC). */) | |
6b61353c KH |
760 | (cmd) |
761 | Lisp_Object cmd; | |
cc515226 | 762 | { |
c4f46926 | 763 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 764 | |
c4f46926 SM |
765 | if (NILP (fun) || EQ (fun, Qunbound)) |
766 | return Qnil; | |
767 | ||
768 | /* Use an `interactive-form' property if present, analogous to the | |
769 | function-documentation property. */ | |
770 | fun = cmd; | |
771 | while (SYMBOLP (fun)) | |
772 | { | |
3860280a | 773 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
774 | if (!NILP (tmp)) |
775 | return tmp; | |
776 | else | |
777 | fun = Fsymbol_function (fun); | |
778 | } | |
6b61353c KH |
779 | |
780 | if (SUBRP (fun)) | |
781 | { | |
8a6d230a MC |
782 | char *spec = XSUBR (fun)->intspec; |
783 | if (spec) | |
784 | return list2 (Qinteractive, | |
785 | (*spec != '(') ? build_string (spec) : | |
786 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
787 | } |
788 | else if (COMPILEDP (fun)) | |
789 | { | |
790 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
791 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
792 | } | |
793 | else if (CONSP (fun)) | |
794 | { | |
795 | Lisp_Object funcar = XCAR (fun); | |
796 | if (EQ (funcar, Qlambda)) | |
797 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); | |
798 | else if (EQ (funcar, Qautoload)) | |
799 | { | |
800 | struct gcpro gcpro1; | |
801 | GCPRO1 (cmd); | |
802 | do_autoload (fun, cmd); | |
803 | UNGCPRO; | |
804 | return Finteractive_form (cmd); | |
805 | } | |
806 | } | |
cc515226 GM |
807 | return Qnil; |
808 | } | |
809 | ||
7921925c | 810 | \f |
f35d5bad GM |
811 | /*********************************************************************** |
812 | Getting and Setting Values of Symbols | |
813 | ***********************************************************************/ | |
814 | ||
815 | /* Return the symbol holding SYMBOL's value. Signal | |
816 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
817 | indirections contains a loop. */ | |
818 | ||
ad97b375 | 819 | struct Lisp_Symbol * |
f35d5bad | 820 | indirect_variable (symbol) |
ad97b375 | 821 | struct Lisp_Symbol *symbol; |
f35d5bad | 822 | { |
ad97b375 | 823 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
824 | |
825 | hare = tortoise = symbol; | |
826 | ||
ad97b375 | 827 | while (hare->indirect_variable) |
f35d5bad | 828 | { |
ad97b375 SM |
829 | hare = XSYMBOL (hare->value); |
830 | if (!hare->indirect_variable) | |
f35d5bad | 831 | break; |
bfb96cb7 | 832 | |
ad97b375 SM |
833 | hare = XSYMBOL (hare->value); |
834 | tortoise = XSYMBOL (tortoise->value); | |
f35d5bad | 835 | |
ad97b375 SM |
836 | if (hare == tortoise) |
837 | { | |
838 | Lisp_Object tem; | |
839 | XSETSYMBOL (tem, symbol); | |
840 | xsignal1 (Qcyclic_variable_indirection, tem); | |
841 | } | |
f35d5bad GM |
842 | } |
843 | ||
844 | return hare; | |
845 | } | |
846 | ||
847 | ||
848 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 PJ |
849 | doc: /* Return the variable at the end of OBJECT's variable chain. |
850 | If OBJECT is a symbol, follow all variable indirections and return the final | |
851 | variable. If OBJECT is not a symbol, just return it. | |
852 | Signal a cyclic-variable-indirection error if there is a loop in the | |
853 | variable chain of symbols. */) | |
854 | (object) | |
f35d5bad GM |
855 | Lisp_Object object; |
856 | { | |
857 | if (SYMBOLP (object)) | |
ad97b375 | 858 | XSETSYMBOL (object, indirect_variable (XSYMBOL (object))); |
f35d5bad GM |
859 | return object; |
860 | } | |
861 | ||
7921925c JB |
862 | |
863 | /* Given the raw contents of a symbol value cell, | |
864 | return the Lisp value of the symbol. | |
865 | This does not handle buffer-local variables; use | |
866 | swap_in_symval_forwarding for that. */ | |
867 | ||
868 | Lisp_Object | |
869 | do_symval_forwarding (valcontents) | |
870 | register Lisp_Object valcontents; | |
871 | { | |
872 | register Lisp_Object val; | |
46b2ac21 | 873 | if (MISCP (valcontents)) |
324a6eef | 874 | switch (XMISCTYPE (valcontents)) |
46b2ac21 KH |
875 | { |
876 | case Lisp_Misc_Intfwd: | |
877 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
878 | return val; | |
7921925c | 879 | |
46b2ac21 KH |
880 | case Lisp_Misc_Boolfwd: |
881 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
7921925c | 882 | |
46b2ac21 KH |
883 | case Lisp_Misc_Objfwd: |
884 | return *XOBJFWD (valcontents)->objvar; | |
7921925c | 885 | |
46b2ac21 | 886 | case Lisp_Misc_Buffer_Objfwd: |
8787dd73 SM |
887 | return PER_BUFFER_VALUE (current_buffer, |
888 | XBUFFER_OBJFWD (valcontents)->offset); | |
7403b5c8 | 889 | |
e5f8af9e | 890 | case Lisp_Misc_Kboard_Objfwd: |
c40bb1ba KL |
891 | /* We used to simply use current_kboard here, but from Lisp |
892 | code, it's value is often unexpected. It seems nicer to | |
893 | allow constructions like this to work as intuitively expected: | |
894 | ||
895 | (with-selected-frame frame | |
896 | (define-key local-function-map "\eOP" [f1])) | |
897 | ||
898 | On the other hand, this affects the semantics of | |
899 | last-command and real-last-command, and people may rely on | |
900 | that. I took a quick look at the Lisp codebase, and I | |
901 | don't think anything will break. --lorentey */ | |
8787dd73 SM |
902 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset |
903 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
46b2ac21 | 904 | } |
7921925c JB |
905 | return valcontents; |
906 | } | |
907 | ||
d9c2a0f2 EN |
908 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
909 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 910 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
911 | step past the buffer-localness. |
912 | ||
913 | BUF non-zero means set the value in buffer BUF instead of the | |
914 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c JB |
915 | |
916 | void | |
7a283f36 | 917 | store_symval_forwarding (symbol, valcontents, newval, buf) |
d9c2a0f2 | 918 | Lisp_Object symbol; |
7921925c | 919 | register Lisp_Object valcontents, newval; |
7a283f36 | 920 | struct buffer *buf; |
7921925c | 921 | { |
0220c518 | 922 | switch (SWITCH_ENUM_CAST (XTYPE (valcontents))) |
7921925c | 923 | { |
46b2ac21 | 924 | case Lisp_Misc: |
324a6eef | 925 | switch (XMISCTYPE (valcontents)) |
46b2ac21 KH |
926 | { |
927 | case Lisp_Misc_Intfwd: | |
b7826503 | 928 | CHECK_NUMBER (newval); |
46b2ac21 | 929 | *XINTFWD (valcontents)->intvar = XINT (newval); |
136eb6ed SM |
930 | /* This can never happen since intvar points to an EMACS_INT |
931 | which is at least large enough to hold a Lisp_Object. | |
932 | if (*XINTFWD (valcontents)->intvar != XINT (newval)) | |
933 | error ("Value out of range for variable `%s'", | |
934 | SDATA (SYMBOL_NAME (symbol))); */ | |
46b2ac21 KH |
935 | break; |
936 | ||
937 | case Lisp_Misc_Boolfwd: | |
64e16c3c | 938 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); |
46b2ac21 KH |
939 | break; |
940 | ||
941 | case Lisp_Misc_Objfwd: | |
942 | *XOBJFWD (valcontents)->objvar = newval; | |
6b61353c KH |
943 | |
944 | /* If this variable is a default for something stored | |
945 | in the buffer itself, such as default-fill-column, | |
946 | find the buffers that don't have local values for it | |
947 | and update them. */ | |
948 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
949 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
950 | { | |
951 | int offset = ((char *) XOBJFWD (valcontents)->objvar | |
952 | - (char *) &buffer_defaults); | |
953 | int idx = PER_BUFFER_IDX (offset); | |
954 | ||
43e50e40 | 955 | Lisp_Object tail; |
6b61353c KH |
956 | |
957 | if (idx <= 0) | |
958 | break; | |
959 | ||
960 | for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail)) | |
961 | { | |
962 | Lisp_Object buf; | |
963 | struct buffer *b; | |
964 | ||
965 | buf = Fcdr (XCAR (tail)); | |
966 | if (!BUFFERP (buf)) continue; | |
967 | b = XBUFFER (buf); | |
968 | ||
969 | if (! PER_BUFFER_VALUE_P (b, idx)) | |
970 | PER_BUFFER_VALUE (b, offset) = newval; | |
971 | } | |
972 | } | |
46b2ac21 KH |
973 | break; |
974 | ||
975 | case Lisp_Misc_Buffer_Objfwd: | |
976 | { | |
977 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
64e16c3c | 978 | Lisp_Object type = XBUFFER_OBJFWD (valcontents)->slottype; |
46b2ac21 | 979 | |
2de9f71c SM |
980 | if (!(NILP (type) || NILP (newval) |
981 | || (XINT (type) == LISP_INT_TAG | |
982 | ? INTEGERP (newval) | |
983 | : XTYPE (newval) == XINT (type)))) | |
ad97b375 | 984 | buffer_slot_type_mismatch (newval, XINT (type)); |
46b2ac21 | 985 | |
7a283f36 GM |
986 | if (buf == NULL) |
987 | buf = current_buffer; | |
988 | PER_BUFFER_VALUE (buf, offset) = newval; | |
46b2ac21 | 989 | } |
7403b5c8 KH |
990 | break; |
991 | ||
e5f8af9e | 992 | case Lisp_Misc_Kboard_Objfwd: |
7a283f36 | 993 | { |
c40bb1ba | 994 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); |
7a283f36 GM |
995 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; |
996 | *(Lisp_Object *) p = newval; | |
997 | } | |
7403b5c8 KH |
998 | break; |
999 | ||
46b2ac21 KH |
1000 | default: |
1001 | goto def; | |
1002 | } | |
7921925c JB |
1003 | break; |
1004 | ||
7921925c | 1005 | default: |
46b2ac21 | 1006 | def: |
f35d5bad | 1007 | valcontents = SYMBOL_VALUE (symbol); |
67ee9f6e | 1008 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
b0c2d1c6 | 1009 | XBUFFER_LOCAL_VALUE (valcontents)->realvalue = newval; |
7921925c | 1010 | else |
f35d5bad | 1011 | SET_SYMBOL_VALUE (symbol, newval); |
7921925c JB |
1012 | } |
1013 | } | |
1014 | ||
b0d53add GM |
1015 | /* Set up SYMBOL to refer to its global binding. |
1016 | This makes it safe to alter the status of other bindings. */ | |
1017 | ||
1018 | void | |
1019 | swap_in_global_binding (symbol) | |
1020 | Lisp_Object symbol; | |
1021 | { | |
262fcd41 SM |
1022 | Lisp_Object valcontents = SYMBOL_VALUE (symbol); |
1023 | struct Lisp_Buffer_Local_Value *blv = XBUFFER_LOCAL_VALUE (valcontents); | |
1024 | Lisp_Object cdr = blv->cdr; | |
b0d53add GM |
1025 | |
1026 | /* Unload the previously loaded binding. */ | |
1027 | Fsetcdr (XCAR (cdr), | |
262fcd41 | 1028 | do_symval_forwarding (blv->realvalue)); |
bfb96cb7 | 1029 | |
b0d53add | 1030 | /* Select the global binding in the symbol. */ |
f3fbd155 | 1031 | XSETCAR (cdr, cdr); |
262fcd41 | 1032 | store_symval_forwarding (symbol, blv->realvalue, XCDR (cdr), NULL); |
b0d53add GM |
1033 | |
1034 | /* Indicate that the global binding is set up now. */ | |
262fcd41 SM |
1035 | blv->frame = Qnil; |
1036 | blv->buffer = Qnil; | |
1037 | blv->found_for_frame = 0; | |
1038 | blv->found_for_buffer = 0; | |
b0d53add GM |
1039 | } |
1040 | ||
2829d05f | 1041 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
1042 | VALCONTENTS is the contents of its value cell, |
1043 | which points to a struct Lisp_Buffer_Local_Value. | |
1044 | ||
1045 | Return the value forwarded one step past the buffer-local stage. | |
1046 | This could be another forwarding pointer. */ | |
7921925c JB |
1047 | |
1048 | static Lisp_Object | |
d9c2a0f2 EN |
1049 | swap_in_symval_forwarding (symbol, valcontents) |
1050 | Lisp_Object symbol, valcontents; | |
7921925c | 1051 | { |
7921925c | 1052 | register Lisp_Object tem1; |
bfb96cb7 | 1053 | |
b0c2d1c6 | 1054 | tem1 = XBUFFER_LOCAL_VALUE (valcontents)->buffer; |
7921925c | 1055 | |
42e975f0 RS |
1056 | if (NILP (tem1) |
1057 | || current_buffer != XBUFFER (tem1) | |
1058 | || (XBUFFER_LOCAL_VALUE (valcontents)->check_frame | |
1059 | && ! EQ (selected_frame, XBUFFER_LOCAL_VALUE (valcontents)->frame))) | |
7921925c | 1060 | { |
ad97b375 SM |
1061 | struct Lisp_Symbol *sym = XSYMBOL (symbol); |
1062 | if (sym->indirect_variable) | |
1063 | { | |
1064 | sym = indirect_variable (sym); | |
1065 | XSETSYMBOL (symbol, sym); | |
1066 | } | |
bfb96cb7 | 1067 | |
42e975f0 | 1068 | /* Unload the previously loaded binding. */ |
7539e11f | 1069 | tem1 = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr); |
8d4afcac | 1070 | Fsetcdr (tem1, |
b0c2d1c6 | 1071 | do_symval_forwarding (XBUFFER_LOCAL_VALUE (valcontents)->realvalue)); |
42e975f0 | 1072 | /* Choose the new binding. */ |
d9c2a0f2 | 1073 | tem1 = assq_no_quit (symbol, current_buffer->local_var_alist); |
b0c2d1c6 RS |
1074 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame = 0; |
1075 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 0; | |
a33ef3ab | 1076 | if (NILP (tem1)) |
b0c2d1c6 RS |
1077 | { |
1078 | if (XBUFFER_LOCAL_VALUE (valcontents)->check_frame) | |
1cc04aed | 1079 | tem1 = assq_no_quit (symbol, XFRAME (selected_frame)->param_alist); |
b0c2d1c6 RS |
1080 | if (! NILP (tem1)) |
1081 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame = 1; | |
1082 | else | |
1083 | tem1 = XBUFFER_LOCAL_VALUE (valcontents)->cdr; | |
1084 | } | |
1085 | else | |
1086 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 1; | |
1087 | ||
42e975f0 | 1088 | /* Load the new binding. */ |
f3fbd155 | 1089 | XSETCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr, tem1); |
b0c2d1c6 | 1090 | XSETBUFFER (XBUFFER_LOCAL_VALUE (valcontents)->buffer, current_buffer); |
1cc04aed | 1091 | XBUFFER_LOCAL_VALUE (valcontents)->frame = selected_frame; |
b0c2d1c6 RS |
1092 | store_symval_forwarding (symbol, |
1093 | XBUFFER_LOCAL_VALUE (valcontents)->realvalue, | |
7a283f36 | 1094 | Fcdr (tem1), NULL); |
7921925c | 1095 | } |
b0c2d1c6 | 1096 | return XBUFFER_LOCAL_VALUE (valcontents)->realvalue; |
7921925c JB |
1097 | } |
1098 | \f | |
14e76af9 JB |
1099 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1100 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1101 | if it has one, without signaling an error. |
14e76af9 JB |
1102 | Note that it must not be possible to quit |
1103 | within this function. Great care is required for this. */ | |
7921925c | 1104 | |
14e76af9 | 1105 | Lisp_Object |
d9c2a0f2 EN |
1106 | find_symbol_value (symbol) |
1107 | Lisp_Object symbol; | |
7921925c | 1108 | { |
dd8daec5 | 1109 | register Lisp_Object valcontents; |
7921925c | 1110 | register Lisp_Object val; |
bfb96cb7 | 1111 | |
b7826503 | 1112 | CHECK_SYMBOL (symbol); |
f35d5bad | 1113 | valcontents = SYMBOL_VALUE (symbol); |
7921925c | 1114 | |
67ee9f6e | 1115 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
2a359158 | 1116 | valcontents = swap_in_symval_forwarding (symbol, valcontents); |
7921925c | 1117 | |
8787dd73 | 1118 | return do_symval_forwarding (valcontents); |
7921925c JB |
1119 | } |
1120 | ||
14e76af9 | 1121 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
8c1a1077 PJ |
1122 | doc: /* Return SYMBOL's value. Error if that is void. */) |
1123 | (symbol) | |
d9c2a0f2 | 1124 | Lisp_Object symbol; |
14e76af9 | 1125 | { |
0671d7c0 | 1126 | Lisp_Object val; |
14e76af9 | 1127 | |
d9c2a0f2 | 1128 | val = find_symbol_value (symbol); |
740ef0b5 | 1129 | if (!EQ (val, Qunbound)) |
14e76af9 | 1130 | return val; |
740ef0b5 KS |
1131 | |
1132 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1133 | } |
1134 | ||
7921925c | 1135 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 PJ |
1136 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
1137 | (symbol, newval) | |
d9c2a0f2 | 1138 | register Lisp_Object symbol, newval; |
05ef7169 | 1139 | { |
2829d05f | 1140 | return set_internal (symbol, newval, current_buffer, 0); |
05ef7169 RS |
1141 | } |
1142 | ||
1f35ce36 RS |
1143 | /* Return 1 if SYMBOL currently has a let-binding |
1144 | which was made in the buffer that is now current. */ | |
1145 | ||
1146 | static int | |
1147 | let_shadows_buffer_binding_p (symbol) | |
ad97b375 | 1148 | struct Lisp_Symbol *symbol; |
1f35ce36 | 1149 | { |
92426155 | 1150 | volatile struct specbinding *p; |
1f35ce36 RS |
1151 | |
1152 | for (p = specpdl_ptr - 1; p >= specpdl; p--) | |
f35d5bad GM |
1153 | if (p->func == NULL |
1154 | && CONSP (p->symbol)) | |
1155 | { | |
ad97b375 SM |
1156 | struct Lisp_Symbol *let_bound_symbol = XSYMBOL (XCAR (p->symbol)); |
1157 | if ((symbol == let_bound_symbol | |
1158 | || (let_bound_symbol->indirect_variable | |
1159 | && symbol == indirect_variable (let_bound_symbol))) | |
f35d5bad GM |
1160 | && XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer) |
1161 | break; | |
1162 | } | |
1f35ce36 | 1163 | |
f35d5bad | 1164 | return p >= specpdl; |
1f35ce36 RS |
1165 | } |
1166 | ||
25638b07 | 1167 | /* Store the value NEWVAL into SYMBOL. |
2829d05f RS |
1168 | If buffer-locality is an issue, BUF specifies which buffer to use. |
1169 | (0 stands for the current buffer.) | |
1170 | ||
05ef7169 RS |
1171 | If BINDFLAG is zero, then if this symbol is supposed to become |
1172 | local in every buffer where it is set, then we make it local. | |
1173 | If BINDFLAG is nonzero, we don't do that. */ | |
1174 | ||
1175 | Lisp_Object | |
2829d05f | 1176 | set_internal (symbol, newval, buf, bindflag) |
05ef7169 | 1177 | register Lisp_Object symbol, newval; |
2829d05f | 1178 | struct buffer *buf; |
05ef7169 | 1179 | int bindflag; |
7921925c | 1180 | { |
1bfcade3 | 1181 | int voide = EQ (newval, Qunbound); |
7921925c | 1182 | |
4c47c973 | 1183 | register Lisp_Object valcontents, innercontents, tem1, current_alist_element; |
7921925c | 1184 | |
2829d05f RS |
1185 | if (buf == 0) |
1186 | buf = current_buffer; | |
1187 | ||
1188 | /* If restoring in a dead buffer, do nothing. */ | |
1189 | if (NILP (buf->name)) | |
1190 | return newval; | |
1191 | ||
b7826503 | 1192 | CHECK_SYMBOL (symbol); |
f35d5bad GM |
1193 | if (SYMBOL_CONSTANT_P (symbol) |
1194 | && (NILP (Fkeywordp (symbol)) | |
1195 | || !EQ (newval, SYMBOL_VALUE (symbol)))) | |
740ef0b5 | 1196 | xsignal1 (Qsetting_constant, symbol); |
4c47c973 | 1197 | |
f35d5bad | 1198 | innercontents = valcontents = SYMBOL_VALUE (symbol); |
bfb96cb7 | 1199 | |
e9ebc175 | 1200 | if (BUFFER_OBJFWDP (valcontents)) |
7921925c | 1201 | { |
999b32fd | 1202 | int offset = XBUFFER_OBJFWD (valcontents)->offset; |
f6cd0527 | 1203 | int idx = PER_BUFFER_IDX (offset); |
999b32fd GM |
1204 | if (idx > 0 |
1205 | && !bindflag | |
9e0e0d77 | 1206 | && !let_shadows_buffer_binding_p (XSYMBOL (symbol))) |
f6cd0527 | 1207 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); |
7921925c | 1208 | } |
67ee9f6e | 1209 | else if (BUFFER_LOCAL_VALUEP (valcontents)) |
7921925c | 1210 | { |
42e975f0 | 1211 | /* valcontents is a struct Lisp_Buffer_Local_Value. */ |
f35d5bad | 1212 | if (XSYMBOL (symbol)->indirect_variable) |
ad97b375 | 1213 | XSETSYMBOL (symbol, indirect_variable (XSYMBOL (symbol))); |
42e975f0 RS |
1214 | |
1215 | /* What binding is loaded right now? */ | |
b0c2d1c6 | 1216 | current_alist_element |
7539e11f | 1217 | = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr); |
d8cafeb5 JB |
1218 | |
1219 | /* If the current buffer is not the buffer whose binding is | |
42e975f0 RS |
1220 | loaded, or if there may be frame-local bindings and the frame |
1221 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1222 | the default binding is loaded, the loaded binding may be the | |
1223 | wrong one. */ | |
8801a864 KR |
1224 | if (!BUFFERP (XBUFFER_LOCAL_VALUE (valcontents)->buffer) |
1225 | || buf != XBUFFER (XBUFFER_LOCAL_VALUE (valcontents)->buffer) | |
42e975f0 RS |
1226 | || (XBUFFER_LOCAL_VALUE (valcontents)->check_frame |
1227 | && !EQ (selected_frame, XBUFFER_LOCAL_VALUE (valcontents)->frame)) | |
569c11e3 | 1228 | /* Also unload a global binding (if the var is local_if_set). */ |
136eb6ed SM |
1229 | || (EQ (XCAR (current_alist_element), |
1230 | current_alist_element))) | |
7921925c | 1231 | { |
42e975f0 RS |
1232 | /* The currently loaded binding is not necessarily valid. |
1233 | We need to unload it, and choose a new binding. */ | |
1234 | ||
1235 | /* Write out `realvalue' to the old loaded binding. */ | |
d8cafeb5 | 1236 | Fsetcdr (current_alist_element, |
b0c2d1c6 | 1237 | do_symval_forwarding (XBUFFER_LOCAL_VALUE (valcontents)->realvalue)); |
7921925c | 1238 | |
42e975f0 | 1239 | /* Find the new binding. */ |
2829d05f | 1240 | tem1 = Fassq (symbol, buf->local_var_alist); |
b0c2d1c6 RS |
1241 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 1; |
1242 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame = 0; | |
1243 | ||
a33ef3ab | 1244 | if (NILP (tem1)) |
d8cafeb5 JB |
1245 | { |
1246 | /* This buffer still sees the default value. */ | |
1247 | ||
569c11e3 | 1248 | /* If the variable is not local_if_set, |
05ef7169 | 1249 | or if this is `let' rather than `set', |
d8cafeb5 | 1250 | make CURRENT-ALIST-ELEMENT point to itself, |
1f35ce36 RS |
1251 | indicating that we're seeing the default value. |
1252 | Likewise if the variable has been let-bound | |
1253 | in the current buffer. */ | |
67ee9f6e | 1254 | if (bindflag || !XBUFFER_LOCAL_VALUE (valcontents)->local_if_set |
ad97b375 | 1255 | || let_shadows_buffer_binding_p (XSYMBOL (symbol))) |
b0c2d1c6 RS |
1256 | { |
1257 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 0; | |
1258 | ||
1259 | if (XBUFFER_LOCAL_VALUE (valcontents)->check_frame) | |
1cc04aed GM |
1260 | tem1 = Fassq (symbol, |
1261 | XFRAME (selected_frame)->param_alist); | |
d8cafeb5 | 1262 | |
b0c2d1c6 RS |
1263 | if (! NILP (tem1)) |
1264 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame = 1; | |
1265 | else | |
1266 | tem1 = XBUFFER_LOCAL_VALUE (valcontents)->cdr; | |
1267 | } | |
05ef7169 | 1268 | /* If it's a Lisp_Buffer_Local_Value, being set not bound, |
1f35ce36 RS |
1269 | and we're not within a let that was made for this buffer, |
1270 | create a new buffer-local binding for the variable. | |
1271 | That means, give this buffer a new assoc for a local value | |
42e975f0 | 1272 | and load that binding. */ |
d8cafeb5 JB |
1273 | else |
1274 | { | |
d2fde41d | 1275 | tem1 = Fcons (symbol, XCDR (current_alist_element)); |
2829d05f RS |
1276 | buf->local_var_alist |
1277 | = Fcons (tem1, buf->local_var_alist); | |
d8cafeb5 JB |
1278 | } |
1279 | } | |
b0c2d1c6 | 1280 | |
42e975f0 | 1281 | /* Record which binding is now loaded. */ |
67ee9f6e | 1282 | XSETCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr, tem1); |
d8cafeb5 | 1283 | |
8013296c | 1284 | /* Set `buffer' and `frame' slots for the binding now loaded. */ |
2829d05f | 1285 | XSETBUFFER (XBUFFER_LOCAL_VALUE (valcontents)->buffer, buf); |
1cc04aed | 1286 | XBUFFER_LOCAL_VALUE (valcontents)->frame = selected_frame; |
7921925c | 1287 | } |
4c47c973 | 1288 | innercontents = XBUFFER_LOCAL_VALUE (valcontents)->realvalue; |
569c11e3 SM |
1289 | |
1290 | /* Store the new value in the cons-cell. */ | |
1291 | XSETCDR (XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr), newval); | |
7921925c | 1292 | } |
d8cafeb5 | 1293 | |
7921925c JB |
1294 | /* If storing void (making the symbol void), forward only through |
1295 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1296 | if (voide) | |
7a283f36 | 1297 | store_symval_forwarding (symbol, Qnil, newval, buf); |
7921925c | 1298 | else |
7a283f36 | 1299 | store_symval_forwarding (symbol, innercontents, newval, buf); |
4c47c973 | 1300 | |
7921925c JB |
1301 | return newval; |
1302 | } | |
1303 | \f | |
1304 | /* Access or set a buffer-local symbol's default value. */ | |
1305 | ||
d9c2a0f2 | 1306 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1307 | Return Qunbound if it is void. */ |
7921925c JB |
1308 | |
1309 | Lisp_Object | |
d9c2a0f2 EN |
1310 | default_value (symbol) |
1311 | Lisp_Object symbol; | |
7921925c JB |
1312 | { |
1313 | register Lisp_Object valcontents; | |
1314 | ||
b7826503 | 1315 | CHECK_SYMBOL (symbol); |
f35d5bad | 1316 | valcontents = SYMBOL_VALUE (symbol); |
7921925c JB |
1317 | |
1318 | /* For a built-in buffer-local variable, get the default value | |
1319 | rather than letting do_symval_forwarding get the current value. */ | |
e9ebc175 | 1320 | if (BUFFER_OBJFWDP (valcontents)) |
7921925c | 1321 | { |
999b32fd | 1322 | int offset = XBUFFER_OBJFWD (valcontents)->offset; |
f6cd0527 GM |
1323 | if (PER_BUFFER_IDX (offset) != 0) |
1324 | return PER_BUFFER_DEFAULT (offset); | |
7921925c JB |
1325 | } |
1326 | ||
1327 | /* Handle user-created local variables. */ | |
67ee9f6e | 1328 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
7921925c JB |
1329 | { |
1330 | /* If var is set up for a buffer that lacks a local value for it, | |
1331 | the current value is nominally the default value. | |
42e975f0 | 1332 | But the `realvalue' slot may be more up to date, since |
7921925c JB |
1333 | ordinary setq stores just that slot. So use that. */ |
1334 | Lisp_Object current_alist_element, alist_element_car; | |
1335 | current_alist_element | |
7539e11f KR |
1336 | = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr); |
1337 | alist_element_car = XCAR (current_alist_element); | |
7921925c | 1338 | if (EQ (alist_element_car, current_alist_element)) |
b0c2d1c6 | 1339 | return do_symval_forwarding (XBUFFER_LOCAL_VALUE (valcontents)->realvalue); |
7921925c | 1340 | else |
7539e11f | 1341 | return XCDR (XBUFFER_LOCAL_VALUE (valcontents)->cdr); |
7921925c JB |
1342 | } |
1343 | /* For other variables, get the current value. */ | |
1344 | return do_symval_forwarding (valcontents); | |
1345 | } | |
1346 | ||
1347 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, | |
8c1a1077 PJ |
1348 | doc: /* Return t if SYMBOL has a non-void default value. |
1349 | This is the value that is seen in buffers that do not have their own values | |
1350 | for this variable. */) | |
1351 | (symbol) | |
d9c2a0f2 | 1352 | Lisp_Object symbol; |
7921925c JB |
1353 | { |
1354 | register Lisp_Object value; | |
1355 | ||
d9c2a0f2 | 1356 | value = default_value (symbol); |
1bfcade3 | 1357 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1358 | } |
1359 | ||
1360 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, | |
8c1a1077 PJ |
1361 | doc: /* Return SYMBOL's default value. |
1362 | This is the value that is seen in buffers that do not have their own values | |
1363 | for this variable. The default value is meaningful for variables with | |
1364 | local bindings in certain buffers. */) | |
1365 | (symbol) | |
d9c2a0f2 | 1366 | Lisp_Object symbol; |
7921925c JB |
1367 | { |
1368 | register Lisp_Object value; | |
1369 | ||
d9c2a0f2 | 1370 | value = default_value (symbol); |
740ef0b5 KS |
1371 | if (!EQ (value, Qunbound)) |
1372 | return value; | |
1373 | ||
1374 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1375 | } |
1376 | ||
1377 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, | |
6e86a75d | 1378 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1379 | The default value is seen in buffers that do not have their own values |
1380 | for this variable. */) | |
1381 | (symbol, value) | |
d9c2a0f2 | 1382 | Lisp_Object symbol, value; |
7921925c JB |
1383 | { |
1384 | register Lisp_Object valcontents, current_alist_element, alist_element_buffer; | |
1385 | ||
b7826503 | 1386 | CHECK_SYMBOL (symbol); |
f35d5bad | 1387 | valcontents = SYMBOL_VALUE (symbol); |
7921925c JB |
1388 | |
1389 | /* Handle variables like case-fold-search that have special slots | |
1390 | in the buffer. Make them work apparently like Lisp_Buffer_Local_Value | |
1391 | variables. */ | |
e9ebc175 | 1392 | if (BUFFER_OBJFWDP (valcontents)) |
7921925c | 1393 | { |
999b32fd | 1394 | int offset = XBUFFER_OBJFWD (valcontents)->offset; |
f6cd0527 | 1395 | int idx = PER_BUFFER_IDX (offset); |
7921925c | 1396 | |
f6cd0527 | 1397 | PER_BUFFER_DEFAULT (offset) = value; |
984ef137 KH |
1398 | |
1399 | /* If this variable is not always local in all buffers, | |
1400 | set it in the buffers that don't nominally have a local value. */ | |
999b32fd | 1401 | if (idx > 0) |
7921925c | 1402 | { |
999b32fd | 1403 | struct buffer *b; |
bfb96cb7 | 1404 | |
7921925c | 1405 | for (b = all_buffers; b; b = b->next) |
f6cd0527 GM |
1406 | if (!PER_BUFFER_VALUE_P (b, idx)) |
1407 | PER_BUFFER_VALUE (b, offset) = value; | |
7921925c JB |
1408 | } |
1409 | return value; | |
1410 | } | |
1411 | ||
67ee9f6e | 1412 | if (!BUFFER_LOCAL_VALUEP (valcontents)) |
d9c2a0f2 | 1413 | return Fset (symbol, value); |
7921925c | 1414 | |
42e975f0 | 1415 | /* Store new value into the DEFAULT-VALUE slot. */ |
f3fbd155 | 1416 | XSETCDR (XBUFFER_LOCAL_VALUE (valcontents)->cdr, value); |
7921925c | 1417 | |
42e975f0 | 1418 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
8d4afcac | 1419 | current_alist_element |
7539e11f | 1420 | = XCAR (XBUFFER_LOCAL_VALUE (valcontents)->cdr); |
7921925c JB |
1421 | alist_element_buffer = Fcar (current_alist_element); |
1422 | if (EQ (alist_element_buffer, current_alist_element)) | |
7a283f36 GM |
1423 | store_symval_forwarding (symbol, |
1424 | XBUFFER_LOCAL_VALUE (valcontents)->realvalue, | |
1425 | value, NULL); | |
7921925c JB |
1426 | |
1427 | return value; | |
1428 | } | |
1429 | ||
7a7df7ac | 1430 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1431 | doc: /* Set the default value of variable VAR to VALUE. |
1432 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1433 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1434 | The default value of a variable is seen in buffers |
1435 | that do not have their own values for the variable. | |
1436 | ||
1437 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1438 | (setq-default VAR VALUE VAR VALUE...) |
1439 | This sets each VAR's default value to the corresponding VALUE. | |
1440 | The VALUE for the Nth VAR can refer to the new default values | |
1441 | of previous VARs. | |
70e9f399 | 1442 | usage: (setq-default [VAR VALUE]...) */) |
8c1a1077 | 1443 | (args) |
7921925c JB |
1444 | Lisp_Object args; |
1445 | { | |
1446 | register Lisp_Object args_left; | |
d9c2a0f2 | 1447 | register Lisp_Object val, symbol; |
7921925c JB |
1448 | struct gcpro gcpro1; |
1449 | ||
a33ef3ab | 1450 | if (NILP (args)) |
7921925c JB |
1451 | return Qnil; |
1452 | ||
1453 | args_left = args; | |
1454 | GCPRO1 (args); | |
1455 | ||
1456 | do | |
1457 | { | |
1458 | val = Feval (Fcar (Fcdr (args_left))); | |
d2fde41d | 1459 | symbol = XCAR (args_left); |
d9c2a0f2 | 1460 | Fset_default (symbol, val); |
d2fde41d | 1461 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1462 | } |
a33ef3ab | 1463 | while (!NILP (args_left)); |
7921925c JB |
1464 | |
1465 | UNGCPRO; | |
1466 | return val; | |
1467 | } | |
1468 | \f | |
a5ca2b75 JB |
1469 | /* Lisp functions for creating and removing buffer-local variables. */ |
1470 | ||
7921925c | 1471 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, Smake_variable_buffer_local, |
8c1a1077 PJ |
1472 | 1, 1, "vMake Variable Buffer Local: ", |
1473 | doc: /* Make VARIABLE become buffer-local whenever it is set. | |
1474 | At any time, the value for the current buffer is in effect, | |
1475 | unless the variable has never been set in this buffer, | |
1476 | in which case the default value is in effect. | |
1477 | Note that binding the variable with `let', or setting it while | |
1478 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1479 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1480 | |
a9908653 RS |
1481 | In most cases it is better to use `make-local-variable', |
1482 | which makes a variable local in just one buffer. | |
1483 | ||
8c1a1077 PJ |
1484 | The function `default-value' gets the default value and `set-default' sets it. */) |
1485 | (variable) | |
d9c2a0f2 | 1486 | register Lisp_Object variable; |
7921925c | 1487 | { |
8d4afcac | 1488 | register Lisp_Object tem, valcontents, newval; |
ad97b375 | 1489 | struct Lisp_Symbol *sym; |
7921925c | 1490 | |
b7826503 | 1491 | CHECK_SYMBOL (variable); |
ad97b375 | 1492 | sym = indirect_variable (XSYMBOL (variable)); |
7921925c | 1493 | |
ad97b375 SM |
1494 | valcontents = sym->value; |
1495 | if (sym->constant || KBOARD_OBJFWDP (valcontents)) | |
1496 | error ("Symbol %s may not be buffer-local", SDATA (sym->xname)); | |
7921925c | 1497 | |
67ee9f6e | 1498 | if (BUFFER_OBJFWDP (valcontents)) |
d9c2a0f2 | 1499 | return variable; |
67ee9f6e | 1500 | else if (BUFFER_LOCAL_VALUEP (valcontents)) |
fd9440c5 SM |
1501 | { |
1502 | if (XBUFFER_LOCAL_VALUE (valcontents)->check_frame) | |
1503 | error ("Symbol %s may not be buffer-local", SDATA (sym->xname)); | |
1504 | newval = valcontents; | |
1505 | } | |
67ee9f6e | 1506 | else |
7921925c | 1507 | { |
67ee9f6e | 1508 | if (EQ (valcontents, Qunbound)) |
ad97b375 | 1509 | sym->value = Qnil; |
67ee9f6e SM |
1510 | tem = Fcons (Qnil, Fsymbol_value (variable)); |
1511 | XSETCAR (tem, tem); | |
1512 | newval = allocate_misc (); | |
1513 | XMISCTYPE (newval) = Lisp_Misc_Buffer_Local_Value; | |
ad97b375 | 1514 | XBUFFER_LOCAL_VALUE (newval)->realvalue = sym->value; |
67ee9f6e SM |
1515 | XBUFFER_LOCAL_VALUE (newval)->buffer = Fcurrent_buffer (); |
1516 | XBUFFER_LOCAL_VALUE (newval)->frame = Qnil; | |
1517 | XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0; | |
1518 | XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0; | |
1519 | XBUFFER_LOCAL_VALUE (newval)->check_frame = 0; | |
1520 | XBUFFER_LOCAL_VALUE (newval)->cdr = tem; | |
ad97b375 | 1521 | sym->value = newval; |
7921925c | 1522 | } |
67ee9f6e | 1523 | XBUFFER_LOCAL_VALUE (newval)->local_if_set = 1; |
d9c2a0f2 | 1524 | return variable; |
7921925c JB |
1525 | } |
1526 | ||
1527 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, | |
8c1a1077 PJ |
1528 | 1, 1, "vMake Local Variable: ", |
1529 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1530 | Other buffers will continue to share a common default value. | |
1531 | \(The buffer-local value of VARIABLE starts out as the same value | |
1532 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1533 | Return VARIABLE. |
8c1a1077 PJ |
1534 | |
1535 | If the variable is already arranged to become local when set, | |
1536 | this function causes a local value to exist for this buffer, | |
1537 | just as setting the variable would do. | |
1538 | ||
1539 | This function returns VARIABLE, and therefore | |
1540 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1541 | works. | |
1542 | ||
a9908653 RS |
1543 | See also `make-variable-buffer-local'. |
1544 | ||
8c1a1077 | 1545 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1546 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
8c1a1077 | 1547 | (variable) |
d9c2a0f2 | 1548 | register Lisp_Object variable; |
7921925c JB |
1549 | { |
1550 | register Lisp_Object tem, valcontents; | |
ad97b375 | 1551 | struct Lisp_Symbol *sym; |
7921925c | 1552 | |
b7826503 | 1553 | CHECK_SYMBOL (variable); |
ad97b375 | 1554 | sym = indirect_variable (XSYMBOL (variable)); |
7921925c | 1555 | |
ad97b375 | 1556 | valcontents = sym->value; |
fd9440c5 SM |
1557 | if (sym->constant || KBOARD_OBJFWDP (valcontents) |
1558 | || (BUFFER_LOCAL_VALUEP (valcontents) | |
1559 | && (XBUFFER_LOCAL_VALUE (valcontents)->check_frame))) | |
ad97b375 | 1560 | error ("Symbol %s may not be buffer-local", SDATA (sym->xname)); |
7921925c | 1561 | |
67ee9f6e SM |
1562 | if ((BUFFER_LOCAL_VALUEP (valcontents) |
1563 | && XBUFFER_LOCAL_VALUE (valcontents)->local_if_set) | |
1564 | || BUFFER_OBJFWDP (valcontents)) | |
7921925c | 1565 | { |
d9c2a0f2 | 1566 | tem = Fboundp (variable); |
7403b5c8 | 1567 | |
7921925c JB |
1568 | /* Make sure the symbol has a local value in this particular buffer, |
1569 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1570 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1571 | return variable; | |
7921925c | 1572 | } |
42e975f0 | 1573 | /* Make sure symbol is set up to hold per-buffer values. */ |
67ee9f6e | 1574 | if (!BUFFER_LOCAL_VALUEP (valcontents)) |
7921925c | 1575 | { |
8d4afcac | 1576 | Lisp_Object newval; |
7921925c | 1577 | tem = Fcons (Qnil, do_symval_forwarding (valcontents)); |
f3fbd155 | 1578 | XSETCAR (tem, tem); |
8d4afcac | 1579 | newval = allocate_misc (); |
67ee9f6e | 1580 | XMISCTYPE (newval) = Lisp_Misc_Buffer_Local_Value; |
ad97b375 | 1581 | XBUFFER_LOCAL_VALUE (newval)->realvalue = sym->value; |
b0c2d1c6 RS |
1582 | XBUFFER_LOCAL_VALUE (newval)->buffer = Qnil; |
1583 | XBUFFER_LOCAL_VALUE (newval)->frame = Qnil; | |
67ee9f6e | 1584 | XBUFFER_LOCAL_VALUE (newval)->local_if_set = 0; |
b0c2d1c6 RS |
1585 | XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0; |
1586 | XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0; | |
1587 | XBUFFER_LOCAL_VALUE (newval)->check_frame = 0; | |
1588 | XBUFFER_LOCAL_VALUE (newval)->cdr = tem; | |
ad97b375 | 1589 | sym->value = newval; |
7921925c | 1590 | } |
42e975f0 | 1591 | /* Make sure this buffer has its own value of symbol. */ |
ad97b375 | 1592 | XSETSYMBOL (variable, sym); /* Propagate variable indirections. */ |
d9c2a0f2 | 1593 | tem = Fassq (variable, current_buffer->local_var_alist); |
a33ef3ab | 1594 | if (NILP (tem)) |
7921925c | 1595 | { |
a5d004a1 RS |
1596 | /* Swap out any local binding for some other buffer, and make |
1597 | sure the current value is permanently recorded, if it's the | |
1598 | default value. */ | |
d9c2a0f2 | 1599 | find_symbol_value (variable); |
a5d004a1 | 1600 | |
7921925c | 1601 | current_buffer->local_var_alist |
ad97b375 | 1602 | = Fcons (Fcons (variable, XCDR (XBUFFER_LOCAL_VALUE (sym->value)->cdr)), |
7921925c JB |
1603 | current_buffer->local_var_alist); |
1604 | ||
1605 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1606 | force it to look once again for this buffer's value. */ |
7921925c | 1607 | { |
8d4afcac | 1608 | Lisp_Object *pvalbuf; |
a5d004a1 | 1609 | |
ad97b375 | 1610 | valcontents = sym->value; |
a5d004a1 | 1611 | |
b0c2d1c6 | 1612 | pvalbuf = &XBUFFER_LOCAL_VALUE (valcontents)->buffer; |
8d4afcac KH |
1613 | if (current_buffer == XBUFFER (*pvalbuf)) |
1614 | *pvalbuf = Qnil; | |
b0c2d1c6 | 1615 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 0; |
7921925c | 1616 | } |
7921925c | 1617 | } |
a5ca2b75 | 1618 | |
42e975f0 RS |
1619 | /* If the symbol forwards into a C variable, then load the binding |
1620 | for this buffer now. If C code modifies the variable before we | |
1621 | load the binding in, then that new value will clobber the default | |
1622 | binding the next time we unload it. */ | |
ad97b375 | 1623 | valcontents = XBUFFER_LOCAL_VALUE (sym->value)->realvalue; |
e9ebc175 | 1624 | if (INTFWDP (valcontents) || BOOLFWDP (valcontents) || OBJFWDP (valcontents)) |
ad97b375 | 1625 | swap_in_symval_forwarding (variable, sym->value); |
a5ca2b75 | 1626 | |
d9c2a0f2 | 1627 | return variable; |
7921925c JB |
1628 | } |
1629 | ||
1630 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1631 | 1, 1, "vKill Local Variable: ", |
1632 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1633 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
8c1a1077 | 1634 | (variable) |
d9c2a0f2 | 1635 | register Lisp_Object variable; |
7921925c JB |
1636 | { |
1637 | register Lisp_Object tem, valcontents; | |
ad97b375 | 1638 | struct Lisp_Symbol *sym; |
7921925c | 1639 | |
b7826503 | 1640 | CHECK_SYMBOL (variable); |
ad97b375 | 1641 | sym = indirect_variable (XSYMBOL (variable)); |
7921925c | 1642 | |
ad97b375 | 1643 | valcontents = sym->value; |
7921925c | 1644 | |
e9ebc175 | 1645 | if (BUFFER_OBJFWDP (valcontents)) |
7921925c | 1646 | { |
999b32fd | 1647 | int offset = XBUFFER_OBJFWD (valcontents)->offset; |
f6cd0527 | 1648 | int idx = PER_BUFFER_IDX (offset); |
7921925c | 1649 | |
999b32fd | 1650 | if (idx > 0) |
7921925c | 1651 | { |
f6cd0527 GM |
1652 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); |
1653 | PER_BUFFER_VALUE (current_buffer, offset) | |
1654 | = PER_BUFFER_DEFAULT (offset); | |
7921925c | 1655 | } |
d9c2a0f2 | 1656 | return variable; |
7921925c JB |
1657 | } |
1658 | ||
67ee9f6e | 1659 | if (!BUFFER_LOCAL_VALUEP (valcontents)) |
d9c2a0f2 | 1660 | return variable; |
7921925c | 1661 | |
42e975f0 | 1662 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1663 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
d9c2a0f2 | 1664 | tem = Fassq (variable, current_buffer->local_var_alist); |
a33ef3ab | 1665 | if (!NILP (tem)) |
8d4afcac KH |
1666 | current_buffer->local_var_alist |
1667 | = Fdelq (tem, current_buffer->local_var_alist); | |
7921925c | 1668 | |
42e975f0 RS |
1669 | /* If the symbol is set up with the current buffer's binding |
1670 | loaded, recompute its value. We have to do it now, or else | |
1671 | forwarded objects won't work right. */ | |
7921925c | 1672 | { |
999e6484 | 1673 | Lisp_Object *pvalbuf, buf; |
ad97b375 | 1674 | valcontents = sym->value; |
b0c2d1c6 | 1675 | pvalbuf = &XBUFFER_LOCAL_VALUE (valcontents)->buffer; |
999e6484 SM |
1676 | XSETBUFFER (buf, current_buffer); |
1677 | if (EQ (buf, *pvalbuf)) | |
79c83e03 KH |
1678 | { |
1679 | *pvalbuf = Qnil; | |
b0c2d1c6 | 1680 | XBUFFER_LOCAL_VALUE (valcontents)->found_for_buffer = 0; |
978dd578 | 1681 | find_symbol_value (variable); |
79c83e03 | 1682 | } |
7921925c JB |
1683 | } |
1684 | ||
d9c2a0f2 | 1685 | return variable; |
7921925c | 1686 | } |
62476adc | 1687 | |
b0c2d1c6 RS |
1688 | /* Lisp functions for creating and removing buffer-local variables. */ |
1689 | ||
ab795c65 GM |
1690 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1691 | when/if this is removed. */ | |
1692 | ||
b0c2d1c6 | 1693 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1694 | 1, 1, "vMake Variable Frame Local: ", |
1695 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1696 | This does not create any frame-local bindings for VARIABLE, |
1697 | it just makes them possible. | |
1698 | ||
1699 | A frame-local binding is actually a frame parameter value. | |
1700 | If a frame F has a value for the frame parameter named VARIABLE, | |
1701 | that also acts as a frame-local binding for VARIABLE in F-- | |
1702 | provided this function has been called to enable VARIABLE | |
1703 | to have frame-local bindings at all. | |
1704 | ||
1705 | The only way to create a frame-local binding for VARIABLE in a frame | |
1706 | is to set the VARIABLE frame parameter of that frame. See | |
1707 | `modify-frame-parameters' for how to set frame parameters. | |
1708 | ||
a02a1384 GM |
1709 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1710 | frame-local any more (buffer-local bindings used to take precedence over | |
1711 | frame-local bindings). */) | |
8c1a1077 | 1712 | (variable) |
b0c2d1c6 RS |
1713 | register Lisp_Object variable; |
1714 | { | |
1715 | register Lisp_Object tem, valcontents, newval; | |
ad97b375 | 1716 | struct Lisp_Symbol *sym; |
b0c2d1c6 | 1717 | |
b7826503 | 1718 | CHECK_SYMBOL (variable); |
ad97b375 | 1719 | sym = indirect_variable (XSYMBOL (variable)); |
b0c2d1c6 | 1720 | |
ad97b375 SM |
1721 | valcontents = sym->value; |
1722 | if (sym->constant || KBOARD_OBJFWDP (valcontents) | |
b0c2d1c6 | 1723 | || BUFFER_OBJFWDP (valcontents)) |
ad97b375 | 1724 | error ("Symbol %s may not be frame-local", SDATA (sym->xname)); |
b0c2d1c6 | 1725 | |
67ee9f6e | 1726 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
42e975f0 | 1727 | { |
fd9440c5 SM |
1728 | if (!XBUFFER_LOCAL_VALUE (valcontents)->check_frame) |
1729 | error ("Symbol %s may not be frame-local", SDATA (sym->xname)); | |
42e975f0 RS |
1730 | return variable; |
1731 | } | |
b0c2d1c6 RS |
1732 | |
1733 | if (EQ (valcontents, Qunbound)) | |
ad97b375 | 1734 | sym->value = Qnil; |
b0c2d1c6 | 1735 | tem = Fcons (Qnil, Fsymbol_value (variable)); |
f3fbd155 | 1736 | XSETCAR (tem, tem); |
b0c2d1c6 | 1737 | newval = allocate_misc (); |
67ee9f6e | 1738 | XMISCTYPE (newval) = Lisp_Misc_Buffer_Local_Value; |
ad97b375 | 1739 | XBUFFER_LOCAL_VALUE (newval)->realvalue = sym->value; |
b0c2d1c6 RS |
1740 | XBUFFER_LOCAL_VALUE (newval)->buffer = Qnil; |
1741 | XBUFFER_LOCAL_VALUE (newval)->frame = Qnil; | |
67ee9f6e | 1742 | XBUFFER_LOCAL_VALUE (newval)->local_if_set = 0; |
b0c2d1c6 RS |
1743 | XBUFFER_LOCAL_VALUE (newval)->found_for_buffer = 0; |
1744 | XBUFFER_LOCAL_VALUE (newval)->found_for_frame = 0; | |
1745 | XBUFFER_LOCAL_VALUE (newval)->check_frame = 1; | |
1746 | XBUFFER_LOCAL_VALUE (newval)->cdr = tem; | |
ad97b375 | 1747 | sym->value = newval; |
b0c2d1c6 RS |
1748 | return variable; |
1749 | } | |
1750 | ||
62476adc | 1751 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1752 | 1, 2, 0, |
1753 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1754 | BUFFER defaults to the current buffer. */) | |
1755 | (variable, buffer) | |
d9c2a0f2 | 1756 | register Lisp_Object variable, buffer; |
62476adc RS |
1757 | { |
1758 | Lisp_Object valcontents; | |
c48ead86 | 1759 | register struct buffer *buf; |
ad97b375 | 1760 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1761 | |
1762 | if (NILP (buffer)) | |
1763 | buf = current_buffer; | |
1764 | else | |
1765 | { | |
b7826503 | 1766 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1767 | buf = XBUFFER (buffer); |
1768 | } | |
62476adc | 1769 | |
b7826503 | 1770 | CHECK_SYMBOL (variable); |
ad97b375 SM |
1771 | sym = indirect_variable (XSYMBOL (variable)); |
1772 | XSETSYMBOL (variable, sym); | |
be95bee9 | 1773 | |
ad97b375 | 1774 | valcontents = sym->value; |
67ee9f6e | 1775 | if (BUFFER_LOCAL_VALUEP (valcontents)) |
c48ead86 KH |
1776 | { |
1777 | Lisp_Object tail, elt; | |
f35d5bad | 1778 | |
7539e11f | 1779 | for (tail = buf->local_var_alist; CONSP (tail); tail = XCDR (tail)) |
c48ead86 | 1780 | { |
7539e11f KR |
1781 | elt = XCAR (tail); |
1782 | if (EQ (variable, XCAR (elt))) | |
c48ead86 KH |
1783 | return Qt; |
1784 | } | |
1785 | } | |
1786 | if (BUFFER_OBJFWDP (valcontents)) | |
1787 | { | |
1788 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
f6cd0527 GM |
1789 | int idx = PER_BUFFER_IDX (offset); |
1790 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
c48ead86 KH |
1791 | return Qt; |
1792 | } | |
1793 | return Qnil; | |
62476adc | 1794 | } |
f4f04cee RS |
1795 | |
1796 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1797 | 1, 2, 0, |
1dc5ba01 LT |
1798 | doc: /* Non-nil if VARIABLE will be local in buffer BUFFER when set there. |
1799 | More precisely, this means that setting the variable \(with `set' or`setq'), | |
1800 | while it does not have a `let'-style binding that was made in BUFFER, | |
1801 | will produce a buffer local binding. See Info node | |
1802 | `(elisp)Creating Buffer-Local'. | |
8c1a1077 PJ |
1803 | BUFFER defaults to the current buffer. */) |
1804 | (variable, buffer) | |
d9c2a0f2 | 1805 | register Lisp_Object variable, buffer; |
f4f04cee RS |
1806 | { |
1807 | Lisp_Object valcontents; | |
1808 | register struct buffer *buf; | |
ad97b375 | 1809 | struct Lisp_Symbol *sym; |
f4f04cee RS |
1810 | |
1811 | if (NILP (buffer)) | |
1812 | buf = current_buffer; | |
1813 | else | |
1814 | { | |
b7826503 | 1815 | CHECK_BUFFER (buffer); |
f4f04cee RS |
1816 | buf = XBUFFER (buffer); |
1817 | } | |
1818 | ||
b7826503 | 1819 | CHECK_SYMBOL (variable); |
ad97b375 SM |
1820 | sym = indirect_variable (XSYMBOL (variable)); |
1821 | XSETSYMBOL (variable, sym); | |
f4f04cee | 1822 | |
ad97b375 | 1823 | valcontents = sym->value; |
f4f04cee | 1824 | |
f4f04cee | 1825 | if (BUFFER_OBJFWDP (valcontents)) |
67ee9f6e | 1826 | /* All these slots become local if they are set. */ |
f4f04cee | 1827 | return Qt; |
67ee9f6e | 1828 | else if (BUFFER_LOCAL_VALUEP (valcontents)) |
f4f04cee RS |
1829 | { |
1830 | Lisp_Object tail, elt; | |
67ee9f6e SM |
1831 | if (XBUFFER_LOCAL_VALUE (valcontents)->local_if_set) |
1832 | return Qt; | |
7539e11f | 1833 | for (tail = buf->local_var_alist; CONSP (tail); tail = XCDR (tail)) |
f4f04cee | 1834 | { |
7539e11f KR |
1835 | elt = XCAR (tail); |
1836 | if (EQ (variable, XCAR (elt))) | |
f4f04cee RS |
1837 | return Qt; |
1838 | } | |
1839 | } | |
1840 | return Qnil; | |
1841 | } | |
6b61353c KH |
1842 | |
1843 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1844 | 1, 1, 0, | |
1845 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1846 | If the current binding is buffer-local, the value is the current buffer. | |
1847 | If the current binding is frame-local, the value is the selected frame. | |
1848 | If the current binding is global (the default), the value is nil. */) | |
1849 | (variable) | |
1850 | register Lisp_Object variable; | |
1851 | { | |
1852 | Lisp_Object valcontents; | |
ad97b375 | 1853 | struct Lisp_Symbol *sym; |
6b61353c KH |
1854 | |
1855 | CHECK_SYMBOL (variable); | |
ad97b375 | 1856 | sym = indirect_variable (XSYMBOL (variable)); |
6b61353c KH |
1857 | |
1858 | /* Make sure the current binding is actually swapped in. */ | |
1859 | find_symbol_value (variable); | |
1860 | ||
ad97b375 | 1861 | valcontents = sym->value; |
6b61353c KH |
1862 | |
1863 | if (BUFFER_LOCAL_VALUEP (valcontents) | |
6b61353c KH |
1864 | || BUFFER_OBJFWDP (valcontents)) |
1865 | { | |
1866 | /* For a local variable, record both the symbol and which | |
1867 | buffer's or frame's value we are saving. */ | |
1868 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
1869 | return Fcurrent_buffer (); | |
67ee9f6e | 1870 | else if (BUFFER_LOCAL_VALUEP (valcontents) |
6b61353c KH |
1871 | && XBUFFER_LOCAL_VALUE (valcontents)->found_for_frame) |
1872 | return XBUFFER_LOCAL_VALUE (valcontents)->frame; | |
1873 | } | |
1874 | ||
1875 | return Qnil; | |
1876 | } | |
2a42d440 | 1877 | |
c40bb1ba KL |
1878 | /* This code is disabled now that we use the selected frame to return |
1879 | keyboard-local-values. */ | |
1880 | #if 0 | |
6ed8eeff | 1881 | extern struct terminal *get_terminal P_ ((Lisp_Object display, int)); |
2a42d440 KL |
1882 | |
1883 | DEFUN ("terminal-local-value", Fterminal_local_value, Sterminal_local_value, 2, 2, 0, | |
6ed8eeff | 1884 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
1885 | If SYMBOL is not a terminal-local variable, then return its normal |
1886 | value, like `symbol-value'. | |
1887 | ||
708e05dc | 1888 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff KL |
1889 | selected frame's terminal device). */) |
1890 | (symbol, terminal) | |
2a42d440 | 1891 | Lisp_Object symbol; |
6ed8eeff | 1892 | Lisp_Object terminal; |
2a42d440 KL |
1893 | { |
1894 | Lisp_Object result; | |
6ed8eeff KL |
1895 | struct terminal *t = get_terminal (terminal, 1); |
1896 | push_kboard (t->kboard); | |
2a42d440 | 1897 | result = Fsymbol_value (symbol); |
256c9c3a | 1898 | pop_kboard (); |
2a42d440 KL |
1899 | return result; |
1900 | } | |
1901 | ||
1902 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, Sset_terminal_local_value, 3, 3, 0, | |
6ed8eeff | 1903 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 1904 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
1905 | binding, like `set'. |
1906 | ||
708e05dc | 1907 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff KL |
1908 | selected frame's terminal device). */) |
1909 | (symbol, terminal, value) | |
2a42d440 | 1910 | Lisp_Object symbol; |
6ed8eeff | 1911 | Lisp_Object terminal; |
2a42d440 KL |
1912 | Lisp_Object value; |
1913 | { | |
1914 | Lisp_Object result; | |
6ed8eeff | 1915 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 1916 | push_kboard (d->kboard); |
2a42d440 | 1917 | result = Fset (symbol, value); |
256c9c3a | 1918 | pop_kboard (); |
2a42d440 KL |
1919 | return result; |
1920 | } | |
c40bb1ba | 1921 | #endif |
7921925c | 1922 | \f |
ffd56f97 JB |
1923 | /* Find the function at the end of a chain of symbol function indirections. */ |
1924 | ||
1925 | /* If OBJECT is a symbol, find the end of its function chain and | |
1926 | return the value found there. If OBJECT is not a symbol, just | |
1927 | return it. If there is a cycle in the function chain, signal a | |
1928 | cyclic-function-indirection error. | |
1929 | ||
1930 | This is like Findirect_function, except that it doesn't signal an | |
1931 | error if the chain ends up unbound. */ | |
1932 | Lisp_Object | |
a2932990 | 1933 | indirect_function (object) |
62476adc | 1934 | register Lisp_Object object; |
ffd56f97 | 1935 | { |
eb8c3be9 | 1936 | Lisp_Object tortoise, hare; |
ffd56f97 | 1937 | |
eb8c3be9 | 1938 | hare = tortoise = object; |
ffd56f97 JB |
1939 | |
1940 | for (;;) | |
1941 | { | |
e9ebc175 | 1942 | if (!SYMBOLP (hare) || EQ (hare, Qunbound)) |
ffd56f97 JB |
1943 | break; |
1944 | hare = XSYMBOL (hare)->function; | |
e9ebc175 | 1945 | if (!SYMBOLP (hare) || EQ (hare, Qunbound)) |
ffd56f97 JB |
1946 | break; |
1947 | hare = XSYMBOL (hare)->function; | |
1948 | ||
eb8c3be9 | 1949 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 1950 | |
eb8c3be9 | 1951 | if (EQ (hare, tortoise)) |
740ef0b5 | 1952 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
1953 | } |
1954 | ||
1955 | return hare; | |
1956 | } | |
1957 | ||
a7f96a35 | 1958 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 1959 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
1960 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
1961 | function indirections to find the final function binding and return it. | |
1962 | If the final symbol in the chain is unbound, signal a void-function error. | |
1963 | Optional arg NOERROR non-nil means to return nil instead of signalling. | |
8c1a1077 PJ |
1964 | Signal a cyclic-function-indirection error if there is a loop in the |
1965 | function chain of symbols. */) | |
0ddb0ae8 | 1966 | (object, noerror) |
8c1a1077 | 1967 | register Lisp_Object object; |
0ddb0ae8 | 1968 | Lisp_Object noerror; |
ffd56f97 JB |
1969 | { |
1970 | Lisp_Object result; | |
1971 | ||
64de53d8 KS |
1972 | /* Optimize for no indirection. */ |
1973 | result = object; | |
1974 | if (SYMBOLP (result) && !EQ (result, Qunbound) | |
1975 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) | |
1976 | result = indirect_function (result); | |
1977 | if (!EQ (result, Qunbound)) | |
1978 | return result; | |
ffd56f97 | 1979 | |
64de53d8 | 1980 | if (NILP (noerror)) |
740ef0b5 | 1981 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 1982 | |
64de53d8 | 1983 | return Qnil; |
ffd56f97 JB |
1984 | } |
1985 | \f | |
7921925c JB |
1986 | /* Extract and set vector and string elements */ |
1987 | ||
1988 | DEFUN ("aref", Faref, Saref, 2, 2, 0, | |
8c1a1077 PJ |
1989 | doc: /* Return the element of ARRAY at index IDX. |
1990 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
1991 | or a byte-code object. IDX starts at 0. */) | |
1992 | (array, idx) | |
7921925c JB |
1993 | register Lisp_Object array; |
1994 | Lisp_Object idx; | |
1995 | { | |
1996 | register int idxval; | |
1997 | ||
b7826503 | 1998 | CHECK_NUMBER (idx); |
7921925c | 1999 | idxval = XINT (idx); |
e9ebc175 | 2000 | if (STRINGP (array)) |
7921925c | 2001 | { |
25638b07 RS |
2002 | int c, idxval_byte; |
2003 | ||
d5db4077 | 2004 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2005 | args_out_of_range (array, idx); |
25638b07 | 2006 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2007 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2008 | idxval_byte = string_char_to_byte (array, idxval); |
2009 | ||
62a6e103 | 2010 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2011 | return make_number (c); |
7921925c | 2012 | } |
4d276982 RS |
2013 | else if (BOOL_VECTOR_P (array)) |
2014 | { | |
2015 | int val; | |
4d276982 RS |
2016 | |
2017 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2018 | args_out_of_range (array, idx); | |
2019 | ||
b9ed2177 AS |
2020 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
2021 | return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil); | |
4d276982 RS |
2022 | } |
2023 | else if (CHAR_TABLE_P (array)) | |
2024 | { | |
e6e1f521 KH |
2025 | CHECK_CHARACTER (idx); |
2026 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2027 | } |
7921925c | 2028 | else |
c24e4efe | 2029 | { |
6bbd7a29 | 2030 | int size = 0; |
7f358972 RS |
2031 | if (VECTORP (array)) |
2032 | size = XVECTOR (array)->size; | |
2033 | else if (COMPILEDP (array)) | |
2034 | size = XVECTOR (array)->size & PSEUDOVECTOR_SIZE_MASK; | |
2035 | else | |
2036 | wrong_type_argument (Qarrayp, array); | |
2037 | ||
2038 | if (idxval < 0 || idxval >= size) | |
c24e4efe KH |
2039 | args_out_of_range (array, idx); |
2040 | return XVECTOR (array)->contents[idxval]; | |
2041 | } | |
7921925c JB |
2042 | } |
2043 | ||
2044 | DEFUN ("aset", Faset, Saset, 3, 3, 0, | |
8c1a1077 | 2045 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2046 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2047 | bool-vector. IDX starts at 0. */) | |
8c1a1077 | 2048 | (array, idx, newelt) |
7921925c JB |
2049 | register Lisp_Object array; |
2050 | Lisp_Object idx, newelt; | |
2051 | { | |
2052 | register int idxval; | |
2053 | ||
b7826503 | 2054 | CHECK_NUMBER (idx); |
7921925c | 2055 | idxval = XINT (idx); |
0c64a8cd | 2056 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2057 | CHECK_IMPURE (array); |
2058 | ||
e9ebc175 | 2059 | if (VECTORP (array)) |
c24e4efe KH |
2060 | { |
2061 | if (idxval < 0 || idxval >= XVECTOR (array)->size) | |
2062 | args_out_of_range (array, idx); | |
2063 | XVECTOR (array)->contents[idxval] = newelt; | |
2064 | } | |
4d276982 RS |
2065 | else if (BOOL_VECTOR_P (array)) |
2066 | { | |
2067 | int val; | |
4d276982 RS |
2068 | |
2069 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2070 | args_out_of_range (array, idx); | |
2071 | ||
b9ed2177 | 2072 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
4d276982 RS |
2073 | |
2074 | if (! NILP (newelt)) | |
b9ed2177 | 2075 | val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR); |
4d276982 | 2076 | else |
b9ed2177 AS |
2077 | val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)); |
2078 | XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val; | |
4d276982 RS |
2079 | } |
2080 | else if (CHAR_TABLE_P (array)) | |
2081 | { | |
e6e1f521 KH |
2082 | CHECK_CHARACTER (idx); |
2083 | CHAR_TABLE_SET (array, idxval, newelt); | |
4d276982 | 2084 | } |
25638b07 RS |
2085 | else if (STRING_MULTIBYTE (array)) |
2086 | { | |
c6464167 | 2087 | int idxval_byte, prev_bytes, new_bytes, nbytes; |
3c9de1af | 2088 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1; |
25638b07 | 2089 | |
d5db4077 | 2090 | if (idxval < 0 || idxval >= SCHARS (array)) |
25638b07 | 2091 | args_out_of_range (array, idx); |
d9130605 | 2092 | CHECK_CHARACTER (newelt); |
25638b07 | 2093 | |
c6464167 MB |
2094 | nbytes = SBYTES (array); |
2095 | ||
25638b07 | 2096 | idxval_byte = string_char_to_byte (array, idxval); |
29f44a37 | 2097 | p1 = SDATA (array) + idxval_byte; |
3c9de1af KH |
2098 | PARSE_MULTIBYTE_SEQ (p1, nbytes - idxval_byte, prev_bytes); |
2099 | new_bytes = CHAR_STRING (XINT (newelt), p0); | |
2100 | if (prev_bytes != new_bytes) | |
2101 | { | |
2102 | /* We must relocate the string data. */ | |
d5db4077 | 2103 | int nchars = SCHARS (array); |
3c9de1af | 2104 | unsigned char *str; |
f1a87317 | 2105 | USE_SAFE_ALLOCA; |
3c9de1af | 2106 | |
f1a87317 | 2107 | SAFE_ALLOCA (str, unsigned char *, nbytes); |
d5db4077 | 2108 | bcopy (SDATA (array), str, nbytes); |
3c9de1af KH |
2109 | allocate_string_data (XSTRING (array), nchars, |
2110 | nbytes + new_bytes - prev_bytes); | |
d5db4077 KR |
2111 | bcopy (str, SDATA (array), idxval_byte); |
2112 | p1 = SDATA (array) + idxval_byte; | |
3c9de1af KH |
2113 | bcopy (str + idxval_byte + prev_bytes, p1 + new_bytes, |
2114 | nbytes - (idxval_byte + prev_bytes)); | |
233f3db6 | 2115 | SAFE_FREE (); |
3c9de1af KH |
2116 | clear_string_char_byte_cache (); |
2117 | } | |
2118 | while (new_bytes--) | |
2119 | *p1++ = *p0++; | |
25638b07 | 2120 | } |
7921925c JB |
2121 | else |
2122 | { | |
d5db4077 | 2123 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2124 | args_out_of_range (array, idx); |
b7826503 | 2125 | CHECK_NUMBER (newelt); |
3c9de1af | 2126 | |
476e47ca | 2127 | if (XINT (newelt) >= 0 && ! SINGLE_BYTE_CHAR_P (XINT (newelt))) |
5dff5999 KH |
2128 | { |
2129 | int i; | |
2130 | ||
2131 | for (i = SBYTES (array) - 1; i >= 0; i--) | |
2132 | if (SREF (array, i) >= 0x80) | |
2133 | args_out_of_range (array, newelt); | |
2134 | /* ARRAY is an ASCII string. Convert it to a multibyte | |
2135 | string, and try `aset' again. */ | |
2136 | STRING_SET_MULTIBYTE (array); | |
2137 | return Faset (array, idx, newelt); | |
2138 | } | |
476e47ca | 2139 | SSET (array, idxval, XINT (newelt)); |
7921925c JB |
2140 | } |
2141 | ||
2142 | return newelt; | |
2143 | } | |
7921925c JB |
2144 | \f |
2145 | /* Arithmetic functions */ | |
2146 | ||
2147 | enum comparison { equal, notequal, less, grtr, less_or_equal, grtr_or_equal }; | |
2148 | ||
2149 | Lisp_Object | |
2150 | arithcompare (num1, num2, comparison) | |
2151 | Lisp_Object num1, num2; | |
2152 | enum comparison comparison; | |
2153 | { | |
6bbd7a29 | 2154 | double f1 = 0, f2 = 0; |
7921925c JB |
2155 | int floatp = 0; |
2156 | ||
b7826503 PJ |
2157 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2158 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2159 | |
e9ebc175 | 2160 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2161 | { |
2162 | floatp = 1; | |
7539e11f KR |
2163 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2164 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2165 | } |
7921925c JB |
2166 | |
2167 | switch (comparison) | |
2168 | { | |
2169 | case equal: | |
2170 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) | |
2171 | return Qt; | |
2172 | return Qnil; | |
2173 | ||
2174 | case notequal: | |
2175 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) | |
2176 | return Qt; | |
2177 | return Qnil; | |
2178 | ||
2179 | case less: | |
2180 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) | |
2181 | return Qt; | |
2182 | return Qnil; | |
2183 | ||
2184 | case less_or_equal: | |
2185 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) | |
2186 | return Qt; | |
2187 | return Qnil; | |
2188 | ||
2189 | case grtr: | |
2190 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) | |
2191 | return Qt; | |
2192 | return Qnil; | |
2193 | ||
2194 | case grtr_or_equal: | |
2195 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) | |
2196 | return Qt; | |
2197 | return Qnil; | |
25e40a4b JB |
2198 | |
2199 | default: | |
2200 | abort (); | |
7921925c JB |
2201 | } |
2202 | } | |
2203 | ||
2204 | DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0, | |
8c1a1077 PJ |
2205 | doc: /* Return t if two args, both numbers or markers, are equal. */) |
2206 | (num1, num2) | |
7921925c JB |
2207 | register Lisp_Object num1, num2; |
2208 | { | |
2209 | return arithcompare (num1, num2, equal); | |
2210 | } | |
2211 | ||
2212 | DEFUN ("<", Flss, Slss, 2, 2, 0, | |
8c1a1077 PJ |
2213 | doc: /* Return t if first arg is less than second arg. Both must be numbers or markers. */) |
2214 | (num1, num2) | |
7921925c JB |
2215 | register Lisp_Object num1, num2; |
2216 | { | |
2217 | return arithcompare (num1, num2, less); | |
2218 | } | |
2219 | ||
2220 | DEFUN (">", Fgtr, Sgtr, 2, 2, 0, | |
8c1a1077 PJ |
2221 | doc: /* Return t if first arg is greater than second arg. Both must be numbers or markers. */) |
2222 | (num1, num2) | |
7921925c JB |
2223 | register Lisp_Object num1, num2; |
2224 | { | |
2225 | return arithcompare (num1, num2, grtr); | |
2226 | } | |
2227 | ||
2228 | DEFUN ("<=", Fleq, Sleq, 2, 2, 0, | |
8c1a1077 PJ |
2229 | doc: /* Return t if first arg is less than or equal to second arg. |
2230 | Both must be numbers or markers. */) | |
2231 | (num1, num2) | |
7921925c JB |
2232 | register Lisp_Object num1, num2; |
2233 | { | |
2234 | return arithcompare (num1, num2, less_or_equal); | |
2235 | } | |
2236 | ||
2237 | DEFUN (">=", Fgeq, Sgeq, 2, 2, 0, | |
8c1a1077 PJ |
2238 | doc: /* Return t if first arg is greater than or equal to second arg. |
2239 | Both must be numbers or markers. */) | |
2240 | (num1, num2) | |
7921925c JB |
2241 | register Lisp_Object num1, num2; |
2242 | { | |
2243 | return arithcompare (num1, num2, grtr_or_equal); | |
2244 | } | |
2245 | ||
2246 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 PJ |
2247 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
2248 | (num1, num2) | |
7921925c JB |
2249 | register Lisp_Object num1, num2; |
2250 | { | |
2251 | return arithcompare (num1, num2, notequal); | |
2252 | } | |
2253 | ||
8c1a1077 PJ |
2254 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
2255 | doc: /* Return t if NUMBER is zero. */) | |
2256 | (number) | |
d9c2a0f2 | 2257 | register Lisp_Object number; |
7921925c | 2258 | { |
b7826503 | 2259 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2260 | |
d9c2a0f2 | 2261 | if (FLOATP (number)) |
7921925c | 2262 | { |
7539e11f | 2263 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2264 | return Qt; |
2265 | return Qnil; | |
2266 | } | |
7921925c | 2267 | |
d9c2a0f2 | 2268 | if (!XINT (number)) |
7921925c JB |
2269 | return Qt; |
2270 | return Qnil; | |
2271 | } | |
2272 | \f | |
70e9f399 RS |
2273 | /* Convert between long values and pairs of Lisp integers. |
2274 | Note that long_to_cons returns a single Lisp integer | |
2275 | when the value fits in one. */ | |
51cf3e31 JB |
2276 | |
2277 | Lisp_Object | |
2278 | long_to_cons (i) | |
2279 | unsigned long i; | |
2280 | { | |
9bc7166b | 2281 | unsigned long top = i >> 16; |
51cf3e31 JB |
2282 | unsigned int bot = i & 0xFFFF; |
2283 | if (top == 0) | |
2284 | return make_number (bot); | |
b42cfa11 | 2285 | if (top == (unsigned long)-1 >> 16) |
51cf3e31 JB |
2286 | return Fcons (make_number (-1), make_number (bot)); |
2287 | return Fcons (make_number (top), make_number (bot)); | |
2288 | } | |
2289 | ||
2290 | unsigned long | |
2291 | cons_to_long (c) | |
2292 | Lisp_Object c; | |
2293 | { | |
878a80cc | 2294 | Lisp_Object top, bot; |
51cf3e31 JB |
2295 | if (INTEGERP (c)) |
2296 | return XINT (c); | |
7539e11f KR |
2297 | top = XCAR (c); |
2298 | bot = XCDR (c); | |
51cf3e31 | 2299 | if (CONSP (bot)) |
7539e11f | 2300 | bot = XCAR (bot); |
51cf3e31 JB |
2301 | return ((XINT (top) << 16) | XINT (bot)); |
2302 | } | |
2303 | \f | |
f2980264 | 2304 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2305 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2306 | Uses a minus sign if negative. |
2307 | NUMBER may be an integer or a floating point number. */) | |
2308 | (number) | |
d9c2a0f2 | 2309 | Lisp_Object number; |
7921925c | 2310 | { |
6030ce64 | 2311 | char buffer[VALBITS]; |
7921925c | 2312 | |
b7826503 | 2313 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2314 | |
d9c2a0f2 | 2315 | if (FLOATP (number)) |
7921925c JB |
2316 | { |
2317 | char pigbuf[350]; /* see comments in float_to_string */ | |
2318 | ||
7539e11f | 2319 | float_to_string (pigbuf, XFLOAT_DATA (number)); |
7403b5c8 | 2320 | return build_string (pigbuf); |
7921925c | 2321 | } |
7921925c | 2322 | |
e6c82a8d | 2323 | if (sizeof (int) == sizeof (EMACS_INT)) |
dfa3bb7a | 2324 | sprintf (buffer, "%d", (int) XINT (number)); |
e6c82a8d | 2325 | else if (sizeof (long) == sizeof (EMACS_INT)) |
dd8daec5 | 2326 | sprintf (buffer, "%ld", (long) XINT (number)); |
e6c82a8d RS |
2327 | else |
2328 | abort (); | |
7921925c JB |
2329 | return build_string (buffer); |
2330 | } | |
2331 | ||
3883fbeb RS |
2332 | INLINE static int |
2333 | digit_to_number (character, base) | |
2334 | int character, base; | |
2335 | { | |
2336 | int digit; | |
2337 | ||
2338 | if (character >= '0' && character <= '9') | |
2339 | digit = character - '0'; | |
2340 | else if (character >= 'a' && character <= 'z') | |
2341 | digit = character - 'a' + 10; | |
2342 | else if (character >= 'A' && character <= 'Z') | |
2343 | digit = character - 'A' + 10; | |
2344 | else | |
2345 | return -1; | |
2346 | ||
2347 | if (digit >= base) | |
2348 | return -1; | |
2349 | else | |
2350 | return digit; | |
bfb96cb7 | 2351 | } |
3883fbeb RS |
2352 | |
2353 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, | |
558ee900 | 2354 | doc: /* Parse STRING as a decimal number and return the number. |
8c1a1077 | 2355 | This parses both integers and floating point numbers. |
be95bee9 | 2356 | It ignores leading spaces and tabs, and all trailing chars. |
8c1a1077 PJ |
2357 | |
2358 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2359 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
be95bee9 | 2360 | If the base used is not 10, STRING is always parsed as integer. */) |
8c1a1077 | 2361 | (string, base) |
3883fbeb | 2362 | register Lisp_Object string, base; |
7921925c | 2363 | { |
3883fbeb | 2364 | register unsigned char *p; |
342858a5 GM |
2365 | register int b; |
2366 | int sign = 1; | |
2367 | Lisp_Object val; | |
25e40a4b | 2368 | |
b7826503 | 2369 | CHECK_STRING (string); |
7921925c | 2370 | |
3883fbeb RS |
2371 | if (NILP (base)) |
2372 | b = 10; | |
2373 | else | |
2374 | { | |
b7826503 | 2375 | CHECK_NUMBER (base); |
3883fbeb RS |
2376 | b = XINT (base); |
2377 | if (b < 2 || b > 16) | |
740ef0b5 | 2378 | xsignal1 (Qargs_out_of_range, base); |
3883fbeb RS |
2379 | } |
2380 | ||
25e40a4b JB |
2381 | /* Skip any whitespace at the front of the number. Some versions of |
2382 | atoi do this anyway, so we might as well make Emacs lisp consistent. */ | |
d5db4077 | 2383 | p = SDATA (string); |
0a3e4d65 | 2384 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2385 | p++; |
2386 | ||
3883fbeb RS |
2387 | if (*p == '-') |
2388 | { | |
342858a5 | 2389 | sign = -1; |
3883fbeb RS |
2390 | p++; |
2391 | } | |
2392 | else if (*p == '+') | |
2393 | p++; | |
bfb96cb7 | 2394 | |
be95bee9 | 2395 | if (isfloat_string (p, 1) && b == 10) |
342858a5 GM |
2396 | val = make_float (sign * atof (p)); |
2397 | else | |
3883fbeb | 2398 | { |
342858a5 GM |
2399 | double v = 0; |
2400 | ||
2401 | while (1) | |
2402 | { | |
2403 | int digit = digit_to_number (*p++, b); | |
2404 | if (digit < 0) | |
2405 | break; | |
2406 | v = v * b + digit; | |
2407 | } | |
2408 | ||
cb938d46 | 2409 | val = make_fixnum_or_float (sign * v); |
3883fbeb | 2410 | } |
342858a5 GM |
2411 | |
2412 | return val; | |
7921925c | 2413 | } |
3883fbeb | 2414 | |
7403b5c8 | 2415 | \f |
7921925c | 2416 | enum arithop |
7a283f36 GM |
2417 | { |
2418 | Aadd, | |
2419 | Asub, | |
2420 | Amult, | |
2421 | Adiv, | |
2422 | Alogand, | |
2423 | Alogior, | |
2424 | Alogxor, | |
2425 | Amax, | |
2426 | Amin | |
2427 | }; | |
2428 | ||
2429 | static Lisp_Object float_arith_driver P_ ((double, int, enum arithop, | |
2430 | int, Lisp_Object *)); | |
ad8d56b9 | 2431 | extern Lisp_Object fmod_float (); |
b06faa91 | 2432 | |
7921925c | 2433 | Lisp_Object |
87fbf902 | 2434 | arith_driver (code, nargs, args) |
7921925c JB |
2435 | enum arithop code; |
2436 | int nargs; | |
2437 | register Lisp_Object *args; | |
2438 | { | |
2439 | register Lisp_Object val; | |
2440 | register int argnum; | |
7a283f36 | 2441 | register EMACS_INT accum = 0; |
5260234d | 2442 | register EMACS_INT next; |
7921925c | 2443 | |
0220c518 | 2444 | switch (SWITCH_ENUM_CAST (code)) |
7921925c JB |
2445 | { |
2446 | case Alogior: | |
2447 | case Alogxor: | |
2448 | case Aadd: | |
2449 | case Asub: | |
7a283f36 GM |
2450 | accum = 0; |
2451 | break; | |
7921925c | 2452 | case Amult: |
7a283f36 GM |
2453 | accum = 1; |
2454 | break; | |
7921925c | 2455 | case Alogand: |
7a283f36 GM |
2456 | accum = -1; |
2457 | break; | |
2458 | default: | |
2459 | break; | |
7921925c JB |
2460 | } |
2461 | ||
2462 | for (argnum = 0; argnum < nargs; argnum++) | |
2463 | { | |
7a283f36 GM |
2464 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2465 | val = args[argnum]; | |
b7826503 | 2466 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2467 | |
7a283f36 GM |
2468 | if (FLOATP (val)) |
2469 | return float_arith_driver ((double) accum, argnum, code, | |
2470 | nargs, args); | |
2471 | args[argnum] = val; | |
7921925c | 2472 | next = XINT (args[argnum]); |
0220c518 | 2473 | switch (SWITCH_ENUM_CAST (code)) |
7921925c | 2474 | { |
7a283f36 GM |
2475 | case Aadd: |
2476 | accum += next; | |
2477 | break; | |
7921925c | 2478 | case Asub: |
e64981da | 2479 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2480 | break; |
7a283f36 GM |
2481 | case Amult: |
2482 | accum *= next; | |
2483 | break; | |
7921925c | 2484 | case Adiv: |
7a283f36 GM |
2485 | if (!argnum) |
2486 | accum = next; | |
87fbf902 RS |
2487 | else |
2488 | { | |
2489 | if (next == 0) | |
740ef0b5 | 2490 | xsignal0 (Qarith_error); |
87fbf902 RS |
2491 | accum /= next; |
2492 | } | |
7921925c | 2493 | break; |
7a283f36 GM |
2494 | case Alogand: |
2495 | accum &= next; | |
2496 | break; | |
2497 | case Alogior: | |
2498 | accum |= next; | |
2499 | break; | |
2500 | case Alogxor: | |
2501 | accum ^= next; | |
2502 | break; | |
2503 | case Amax: | |
2504 | if (!argnum || next > accum) | |
2505 | accum = next; | |
2506 | break; | |
2507 | case Amin: | |
2508 | if (!argnum || next < accum) | |
2509 | accum = next; | |
2510 | break; | |
7921925c JB |
2511 | } |
2512 | } | |
2513 | ||
f187f1f7 | 2514 | XSETINT (val, accum); |
7921925c JB |
2515 | return val; |
2516 | } | |
2517 | ||
1a2f2d33 KH |
2518 | #undef isnan |
2519 | #define isnan(x) ((x) != (x)) | |
2520 | ||
7a283f36 | 2521 | static Lisp_Object |
7921925c JB |
2522 | float_arith_driver (accum, argnum, code, nargs, args) |
2523 | double accum; | |
2524 | register int argnum; | |
2525 | enum arithop code; | |
2526 | int nargs; | |
2527 | register Lisp_Object *args; | |
2528 | { | |
2529 | register Lisp_Object val; | |
2530 | double next; | |
7403b5c8 | 2531 | |
7921925c JB |
2532 | for (; argnum < nargs; argnum++) |
2533 | { | |
2534 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2535 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2536 | |
e9ebc175 | 2537 | if (FLOATP (val)) |
7921925c | 2538 | { |
7539e11f | 2539 | next = XFLOAT_DATA (val); |
7921925c JB |
2540 | } |
2541 | else | |
2542 | { | |
2543 | args[argnum] = val; /* runs into a compiler bug. */ | |
2544 | next = XINT (args[argnum]); | |
2545 | } | |
0220c518 | 2546 | switch (SWITCH_ENUM_CAST (code)) |
7921925c JB |
2547 | { |
2548 | case Aadd: | |
2549 | accum += next; | |
2550 | break; | |
2551 | case Asub: | |
e64981da | 2552 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2553 | break; |
2554 | case Amult: | |
2555 | accum *= next; | |
2556 | break; | |
2557 | case Adiv: | |
2558 | if (!argnum) | |
2559 | accum = next; | |
2560 | else | |
87fbf902 | 2561 | { |
ad8d56b9 | 2562 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2563 | xsignal0 (Qarith_error); |
87fbf902 RS |
2564 | accum /= next; |
2565 | } | |
7921925c JB |
2566 | break; |
2567 | case Alogand: | |
2568 | case Alogior: | |
2569 | case Alogxor: | |
2570 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2571 | case Amax: | |
1a2f2d33 | 2572 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2573 | accum = next; |
2574 | break; | |
2575 | case Amin: | |
1a2f2d33 | 2576 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2577 | accum = next; |
2578 | break; | |
2579 | } | |
2580 | } | |
2581 | ||
2582 | return make_float (accum); | |
2583 | } | |
cc94f3b2 | 2584 | |
7921925c JB |
2585 | |
2586 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, | |
8c1a1077 PJ |
2587 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2588 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
2589 | (nargs, args) | |
7921925c JB |
2590 | int nargs; |
2591 | Lisp_Object *args; | |
2592 | { | |
2593 | return arith_driver (Aadd, nargs, args); | |
2594 | } | |
2595 | ||
2596 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, | |
558ee900 | 2597 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2598 | With one arg, negates it. With more than one arg, |
f44fba9e | 2599 | subtracts all but the first from the first. |
8c1a1077 PJ |
2600 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
2601 | (nargs, args) | |
7921925c JB |
2602 | int nargs; |
2603 | Lisp_Object *args; | |
2604 | { | |
2605 | return arith_driver (Asub, nargs, args); | |
2606 | } | |
2607 | ||
2608 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, | |
be24eadf | 2609 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 PJ |
2610 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
2611 | (nargs, args) | |
7921925c JB |
2612 | int nargs; |
2613 | Lisp_Object *args; | |
2614 | { | |
2615 | return arith_driver (Amult, nargs, args); | |
2616 | } | |
2617 | ||
2618 | DEFUN ("/", Fquo, Squo, 2, MANY, 0, | |
be24eadf | 2619 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2620 | The arguments must be numbers or markers. |
8c1a1077 PJ |
2621 | usage: (/ DIVIDEND DIVISOR &rest DIVISORS) */) |
2622 | (nargs, args) | |
7921925c JB |
2623 | int nargs; |
2624 | Lisp_Object *args; | |
2625 | { | |
28712a21 | 2626 | int argnum; |
7ef98053 | 2627 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2628 | if (FLOATP (args[argnum])) |
2629 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2630 | return arith_driver (Adiv, nargs, args); |
2631 | } | |
2632 | ||
2633 | DEFUN ("%", Frem, Srem, 2, 2, 0, | |
be24eadf | 2634 | doc: /* Return remainder of X divided by Y. |
8c1a1077 PJ |
2635 | Both must be integers or markers. */) |
2636 | (x, y) | |
d9c2a0f2 | 2637 | register Lisp_Object x, y; |
7921925c JB |
2638 | { |
2639 | Lisp_Object val; | |
2640 | ||
b7826503 PJ |
2641 | CHECK_NUMBER_COERCE_MARKER (x); |
2642 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2643 | |
d9c2a0f2 | 2644 | if (XFASTINT (y) == 0) |
740ef0b5 | 2645 | xsignal0 (Qarith_error); |
87fbf902 | 2646 | |
d9c2a0f2 | 2647 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2648 | return val; |
2649 | } | |
2650 | ||
1d66a5fa KH |
2651 | #ifndef HAVE_FMOD |
2652 | double | |
2653 | fmod (f1, f2) | |
2654 | double f1, f2; | |
2655 | { | |
bc1c9d7e PE |
2656 | double r = f1; |
2657 | ||
fa43b1e8 KH |
2658 | if (f2 < 0.0) |
2659 | f2 = -f2; | |
bc1c9d7e PE |
2660 | |
2661 | /* If the magnitude of the result exceeds that of the divisor, or | |
2662 | the sign of the result does not agree with that of the dividend, | |
2663 | iterate with the reduced value. This does not yield a | |
2664 | particularly accurate result, but at least it will be in the | |
2665 | range promised by fmod. */ | |
2666 | do | |
2667 | r -= f2 * floor (r / f2); | |
2668 | while (f2 <= (r < 0 ? -r : r) || ((r < 0) != (f1 < 0) && ! isnan (r))); | |
2669 | ||
2670 | return r; | |
1d66a5fa KH |
2671 | } |
2672 | #endif /* ! HAVE_FMOD */ | |
2673 | ||
44fa9da5 | 2674 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2675 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2676 | The result falls between zero (inclusive) and Y (exclusive). |
2677 | Both X and Y must be numbers or markers. */) | |
2678 | (x, y) | |
d9c2a0f2 | 2679 | register Lisp_Object x, y; |
44fa9da5 PE |
2680 | { |
2681 | Lisp_Object val; | |
5260234d | 2682 | EMACS_INT i1, i2; |
44fa9da5 | 2683 | |
b7826503 PJ |
2684 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2685 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2686 | |
d9c2a0f2 | 2687 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2688 | return fmod_float (x, y); |
2689 | ||
d9c2a0f2 EN |
2690 | i1 = XINT (x); |
2691 | i2 = XINT (y); | |
44fa9da5 PE |
2692 | |
2693 | if (i2 == 0) | |
740ef0b5 | 2694 | xsignal0 (Qarith_error); |
7403b5c8 | 2695 | |
44fa9da5 PE |
2696 | i1 %= i2; |
2697 | ||
2698 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2699 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2700 | i1 += i2; |
2701 | ||
f187f1f7 | 2702 | XSETINT (val, i1); |
44fa9da5 PE |
2703 | return val; |
2704 | } | |
2705 | ||
7921925c | 2706 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2707 | doc: /* Return largest of all the arguments (which must be numbers or markers). |
f44fba9e | 2708 | The value is always a number; markers are converted to numbers. |
8c1a1077 PJ |
2709 | usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
2710 | (nargs, args) | |
7921925c JB |
2711 | int nargs; |
2712 | Lisp_Object *args; | |
2713 | { | |
2714 | return arith_driver (Amax, nargs, args); | |
2715 | } | |
2716 | ||
2717 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, | |
8c1a1077 | 2718 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2719 | The value is always a number; markers are converted to numbers. |
8c1a1077 PJ |
2720 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
2721 | (nargs, args) | |
7921925c JB |
2722 | int nargs; |
2723 | Lisp_Object *args; | |
2724 | { | |
2725 | return arith_driver (Amin, nargs, args); | |
2726 | } | |
2727 | ||
2728 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2729 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2730 | Arguments may be integers, or markers converted to integers. |
8c1a1077 PJ |
2731 | usage: (logand &rest INTS-OR-MARKERS) */) |
2732 | (nargs, args) | |
7921925c JB |
2733 | int nargs; |
2734 | Lisp_Object *args; | |
2735 | { | |
2736 | return arith_driver (Alogand, nargs, args); | |
2737 | } | |
2738 | ||
2739 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2740 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2741 | Arguments may be integers, or markers converted to integers. |
8c1a1077 PJ |
2742 | usage: (logior &rest INTS-OR-MARKERS) */) |
2743 | (nargs, args) | |
7921925c JB |
2744 | int nargs; |
2745 | Lisp_Object *args; | |
2746 | { | |
2747 | return arith_driver (Alogior, nargs, args); | |
2748 | } | |
2749 | ||
2750 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2751 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2752 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2753 | usage: (logxor &rest INTS-OR-MARKERS) */) |
8c1a1077 | 2754 | (nargs, args) |
7921925c JB |
2755 | int nargs; |
2756 | Lisp_Object *args; | |
2757 | { | |
2758 | return arith_driver (Alogxor, nargs, args); | |
2759 | } | |
2760 | ||
2761 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2762 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2763 | If COUNT is negative, shifting is actually to the right. | |
2764 | In this case, the sign bit is duplicated. */) | |
2765 | (value, count) | |
3b9f7964 | 2766 | register Lisp_Object value, count; |
7921925c JB |
2767 | { |
2768 | register Lisp_Object val; | |
2769 | ||
b7826503 PJ |
2770 | CHECK_NUMBER (value); |
2771 | CHECK_NUMBER (count); | |
7921925c | 2772 | |
81d70626 RS |
2773 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2774 | XSETINT (val, 0); | |
2775 | else if (XINT (count) > 0) | |
3d9652eb | 2776 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2777 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2778 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2779 | else |
3d9652eb | 2780 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2781 | return val; |
2782 | } | |
2783 | ||
2784 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2785 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2786 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2787 | In this case, zeros are shifted in on the left. */) |
8c1a1077 | 2788 | (value, count) |
3d9652eb | 2789 | register Lisp_Object value, count; |
7921925c JB |
2790 | { |
2791 | register Lisp_Object val; | |
2792 | ||
b7826503 PJ |
2793 | CHECK_NUMBER (value); |
2794 | CHECK_NUMBER (count); | |
7921925c | 2795 | |
81d70626 RS |
2796 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2797 | XSETINT (val, 0); | |
2798 | else if (XINT (count) > 0) | |
3d9652eb | 2799 | XSETINT (val, (EMACS_UINT) XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2800 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2801 | XSETINT (val, 0); | |
7921925c | 2802 | else |
3d9652eb | 2803 | XSETINT (val, (EMACS_UINT) XUINT (value) >> -XINT (count)); |
7921925c JB |
2804 | return val; |
2805 | } | |
2806 | ||
2807 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, | |
8c1a1077 PJ |
2808 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2809 | Markers are converted to integers. */) | |
2810 | (number) | |
d9c2a0f2 | 2811 | register Lisp_Object number; |
7921925c | 2812 | { |
b7826503 | 2813 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2814 | |
d9c2a0f2 | 2815 | if (FLOATP (number)) |
7539e11f | 2816 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2817 | |
d9c2a0f2 EN |
2818 | XSETINT (number, XINT (number) + 1); |
2819 | return number; | |
7921925c JB |
2820 | } |
2821 | ||
2822 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, | |
8c1a1077 PJ |
2823 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2824 | Markers are converted to integers. */) | |
2825 | (number) | |
d9c2a0f2 | 2826 | register Lisp_Object number; |
7921925c | 2827 | { |
b7826503 | 2828 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2829 | |
d9c2a0f2 | 2830 | if (FLOATP (number)) |
7539e11f | 2831 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2832 | |
d9c2a0f2 EN |
2833 | XSETINT (number, XINT (number) - 1); |
2834 | return number; | |
7921925c JB |
2835 | } |
2836 | ||
2837 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 PJ |
2838 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
2839 | (number) | |
d9c2a0f2 | 2840 | register Lisp_Object number; |
7921925c | 2841 | { |
b7826503 | 2842 | CHECK_NUMBER (number); |
53924017 | 2843 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2844 | return number; |
7921925c | 2845 | } |
6b61353c KH |
2846 | |
2847 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, | |
2848 | doc: /* Return the byteorder for the machine. | |
2849 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2850 | lowercase l) for small endian machines. */) | |
2851 | () | |
2852 | { | |
2853 | unsigned i = 0x04030201; | |
2854 | int order = *(char *)&i == 1 ? 108 : 66; | |
2855 | ||
2856 | return make_number (order); | |
2857 | } | |
2858 | ||
2859 | ||
7921925c JB |
2860 | \f |
2861 | void | |
2862 | syms_of_data () | |
2863 | { | |
6315e761 RS |
2864 | Lisp_Object error_tail, arith_tail; |
2865 | ||
d67b4f80 DN |
2866 | Qquote = intern_c_string ("quote"); |
2867 | Qlambda = intern_c_string ("lambda"); | |
2868 | Qsubr = intern_c_string ("subr"); | |
2869 | Qerror_conditions = intern_c_string ("error-conditions"); | |
2870 | Qerror_message = intern_c_string ("error-message"); | |
2871 | Qtop_level = intern_c_string ("top-level"); | |
2872 | ||
2873 | Qerror = intern_c_string ("error"); | |
2874 | Qquit = intern_c_string ("quit"); | |
2875 | Qwrong_type_argument = intern_c_string ("wrong-type-argument"); | |
2876 | Qargs_out_of_range = intern_c_string ("args-out-of-range"); | |
2877 | Qvoid_function = intern_c_string ("void-function"); | |
2878 | Qcyclic_function_indirection = intern_c_string ("cyclic-function-indirection"); | |
2879 | Qcyclic_variable_indirection = intern_c_string ("cyclic-variable-indirection"); | |
2880 | Qvoid_variable = intern_c_string ("void-variable"); | |
2881 | Qsetting_constant = intern_c_string ("setting-constant"); | |
2882 | Qinvalid_read_syntax = intern_c_string ("invalid-read-syntax"); | |
2883 | ||
2884 | Qinvalid_function = intern_c_string ("invalid-function"); | |
2885 | Qwrong_number_of_arguments = intern_c_string ("wrong-number-of-arguments"); | |
2886 | Qno_catch = intern_c_string ("no-catch"); | |
2887 | Qend_of_file = intern_c_string ("end-of-file"); | |
2888 | Qarith_error = intern_c_string ("arith-error"); | |
2889 | Qbeginning_of_buffer = intern_c_string ("beginning-of-buffer"); | |
2890 | Qend_of_buffer = intern_c_string ("end-of-buffer"); | |
2891 | Qbuffer_read_only = intern_c_string ("buffer-read-only"); | |
2892 | Qtext_read_only = intern_c_string ("text-read-only"); | |
2893 | Qmark_inactive = intern_c_string ("mark-inactive"); | |
2894 | ||
2895 | Qlistp = intern_c_string ("listp"); | |
2896 | Qconsp = intern_c_string ("consp"); | |
2897 | Qsymbolp = intern_c_string ("symbolp"); | |
2898 | Qkeywordp = intern_c_string ("keywordp"); | |
2899 | Qintegerp = intern_c_string ("integerp"); | |
2900 | Qnatnump = intern_c_string ("natnump"); | |
2901 | Qwholenump = intern_c_string ("wholenump"); | |
2902 | Qstringp = intern_c_string ("stringp"); | |
2903 | Qarrayp = intern_c_string ("arrayp"); | |
2904 | Qsequencep = intern_c_string ("sequencep"); | |
2905 | Qbufferp = intern_c_string ("bufferp"); | |
2906 | Qvectorp = intern_c_string ("vectorp"); | |
2907 | Qchar_or_string_p = intern_c_string ("char-or-string-p"); | |
2908 | Qmarkerp = intern_c_string ("markerp"); | |
2909 | Qbuffer_or_string_p = intern_c_string ("buffer-or-string-p"); | |
2910 | Qinteger_or_marker_p = intern_c_string ("integer-or-marker-p"); | |
2911 | Qboundp = intern_c_string ("boundp"); | |
2912 | Qfboundp = intern_c_string ("fboundp"); | |
2913 | ||
2914 | Qfloatp = intern_c_string ("floatp"); | |
2915 | Qnumberp = intern_c_string ("numberp"); | |
2916 | Qnumber_or_marker_p = intern_c_string ("number-or-marker-p"); | |
2917 | ||
2918 | Qchar_table_p = intern_c_string ("char-table-p"); | |
2919 | Qvector_or_char_table_p = intern_c_string ("vector-or-char-table-p"); | |
2920 | ||
2921 | Qsubrp = intern_c_string ("subrp"); | |
2922 | Qunevalled = intern_c_string ("unevalled"); | |
2923 | Qmany = intern_c_string ("many"); | |
2924 | ||
2925 | Qcdr = intern_c_string ("cdr"); | |
7921925c | 2926 | |
f845f2c9 | 2927 | /* Handle automatic advice activation */ |
d67b4f80 DN |
2928 | Qad_advice_info = intern_c_string ("ad-advice-info"); |
2929 | Qad_activate_internal = intern_c_string ("ad-activate-internal"); | |
f845f2c9 | 2930 | |
d67b4f80 | 2931 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 2932 | |
7921925c JB |
2933 | /* ERROR is used as a signaler for random errors for which nothing else is right */ |
2934 | ||
2935 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 2936 | error_tail); |
7921925c | 2937 | Fput (Qerror, Qerror_message, |
d67b4f80 | 2938 | make_pure_c_string ("error")); |
7921925c JB |
2939 | |
2940 | Fput (Qquit, Qerror_conditions, | |
d67b4f80 | 2941 | pure_cons (Qquit, Qnil)); |
7921925c | 2942 | Fput (Qquit, Qerror_message, |
d67b4f80 | 2943 | make_pure_c_string ("Quit")); |
7921925c JB |
2944 | |
2945 | Fput (Qwrong_type_argument, Qerror_conditions, | |
d67b4f80 | 2946 | pure_cons (Qwrong_type_argument, error_tail)); |
7921925c | 2947 | Fput (Qwrong_type_argument, Qerror_message, |
d67b4f80 | 2948 | make_pure_c_string ("Wrong type argument")); |
7921925c JB |
2949 | |
2950 | Fput (Qargs_out_of_range, Qerror_conditions, | |
d67b4f80 | 2951 | pure_cons (Qargs_out_of_range, error_tail)); |
7921925c | 2952 | Fput (Qargs_out_of_range, Qerror_message, |
d67b4f80 | 2953 | make_pure_c_string ("Args out of range")); |
7921925c JB |
2954 | |
2955 | Fput (Qvoid_function, Qerror_conditions, | |
d67b4f80 | 2956 | pure_cons (Qvoid_function, error_tail)); |
7921925c | 2957 | Fput (Qvoid_function, Qerror_message, |
d67b4f80 | 2958 | make_pure_c_string ("Symbol's function definition is void")); |
7921925c | 2959 | |
ffd56f97 | 2960 | Fput (Qcyclic_function_indirection, Qerror_conditions, |
d67b4f80 | 2961 | pure_cons (Qcyclic_function_indirection, error_tail)); |
ffd56f97 | 2962 | Fput (Qcyclic_function_indirection, Qerror_message, |
d67b4f80 | 2963 | make_pure_c_string ("Symbol's chain of function indirections contains a loop")); |
ffd56f97 | 2964 | |
f35d5bad | 2965 | Fput (Qcyclic_variable_indirection, Qerror_conditions, |
d67b4f80 | 2966 | pure_cons (Qcyclic_variable_indirection, error_tail)); |
f35d5bad | 2967 | Fput (Qcyclic_variable_indirection, Qerror_message, |
d67b4f80 | 2968 | make_pure_c_string ("Symbol's chain of variable indirections contains a loop")); |
f35d5bad | 2969 | |
d67b4f80 | 2970 | Qcircular_list = intern_c_string ("circular-list"); |
13d95cc0 GM |
2971 | staticpro (&Qcircular_list); |
2972 | Fput (Qcircular_list, Qerror_conditions, | |
d67b4f80 | 2973 | pure_cons (Qcircular_list, error_tail)); |
13d95cc0 | 2974 | Fput (Qcircular_list, Qerror_message, |
d67b4f80 | 2975 | make_pure_c_string ("List contains a loop")); |
13d95cc0 | 2976 | |
7921925c | 2977 | Fput (Qvoid_variable, Qerror_conditions, |
d67b4f80 | 2978 | pure_cons (Qvoid_variable, error_tail)); |
7921925c | 2979 | Fput (Qvoid_variable, Qerror_message, |
d67b4f80 | 2980 | make_pure_c_string ("Symbol's value as variable is void")); |
7921925c JB |
2981 | |
2982 | Fput (Qsetting_constant, Qerror_conditions, | |
d67b4f80 | 2983 | pure_cons (Qsetting_constant, error_tail)); |
7921925c | 2984 | Fput (Qsetting_constant, Qerror_message, |
d67b4f80 | 2985 | make_pure_c_string ("Attempt to set a constant symbol")); |
7921925c JB |
2986 | |
2987 | Fput (Qinvalid_read_syntax, Qerror_conditions, | |
d67b4f80 | 2988 | pure_cons (Qinvalid_read_syntax, error_tail)); |
7921925c | 2989 | Fput (Qinvalid_read_syntax, Qerror_message, |
d67b4f80 | 2990 | make_pure_c_string ("Invalid read syntax")); |
7921925c JB |
2991 | |
2992 | Fput (Qinvalid_function, Qerror_conditions, | |
d67b4f80 | 2993 | pure_cons (Qinvalid_function, error_tail)); |
7921925c | 2994 | Fput (Qinvalid_function, Qerror_message, |
d67b4f80 | 2995 | make_pure_c_string ("Invalid function")); |
7921925c JB |
2996 | |
2997 | Fput (Qwrong_number_of_arguments, Qerror_conditions, | |
d67b4f80 | 2998 | pure_cons (Qwrong_number_of_arguments, error_tail)); |
7921925c | 2999 | Fput (Qwrong_number_of_arguments, Qerror_message, |
d67b4f80 | 3000 | make_pure_c_string ("Wrong number of arguments")); |
7921925c JB |
3001 | |
3002 | Fput (Qno_catch, Qerror_conditions, | |
d67b4f80 | 3003 | pure_cons (Qno_catch, error_tail)); |
7921925c | 3004 | Fput (Qno_catch, Qerror_message, |
d67b4f80 | 3005 | make_pure_c_string ("No catch for tag")); |
7921925c JB |
3006 | |
3007 | Fput (Qend_of_file, Qerror_conditions, | |
d67b4f80 | 3008 | pure_cons (Qend_of_file, error_tail)); |
7921925c | 3009 | Fput (Qend_of_file, Qerror_message, |
d67b4f80 | 3010 | make_pure_c_string ("End of file during parsing")); |
7921925c | 3011 | |
d67b4f80 | 3012 | arith_tail = pure_cons (Qarith_error, error_tail); |
7921925c | 3013 | Fput (Qarith_error, Qerror_conditions, |
6315e761 | 3014 | arith_tail); |
7921925c | 3015 | Fput (Qarith_error, Qerror_message, |
d67b4f80 | 3016 | make_pure_c_string ("Arithmetic error")); |
7921925c JB |
3017 | |
3018 | Fput (Qbeginning_of_buffer, Qerror_conditions, | |
d67b4f80 | 3019 | pure_cons (Qbeginning_of_buffer, error_tail)); |
7921925c | 3020 | Fput (Qbeginning_of_buffer, Qerror_message, |
d67b4f80 | 3021 | make_pure_c_string ("Beginning of buffer")); |
7921925c JB |
3022 | |
3023 | Fput (Qend_of_buffer, Qerror_conditions, | |
d67b4f80 | 3024 | pure_cons (Qend_of_buffer, error_tail)); |
7921925c | 3025 | Fput (Qend_of_buffer, Qerror_message, |
d67b4f80 | 3026 | make_pure_c_string ("End of buffer")); |
7921925c JB |
3027 | |
3028 | Fput (Qbuffer_read_only, Qerror_conditions, | |
d67b4f80 | 3029 | pure_cons (Qbuffer_read_only, error_tail)); |
7921925c | 3030 | Fput (Qbuffer_read_only, Qerror_message, |
d67b4f80 | 3031 | make_pure_c_string ("Buffer is read-only")); |
7921925c | 3032 | |
8f9f49d7 | 3033 | Fput (Qtext_read_only, Qerror_conditions, |
d67b4f80 | 3034 | pure_cons (Qtext_read_only, error_tail)); |
8f9f49d7 | 3035 | Fput (Qtext_read_only, Qerror_message, |
d67b4f80 | 3036 | make_pure_c_string ("Text is read-only")); |
8f9f49d7 | 3037 | |
d67b4f80 DN |
3038 | Qrange_error = intern_c_string ("range-error"); |
3039 | Qdomain_error = intern_c_string ("domain-error"); | |
3040 | Qsingularity_error = intern_c_string ("singularity-error"); | |
3041 | Qoverflow_error = intern_c_string ("overflow-error"); | |
3042 | Qunderflow_error = intern_c_string ("underflow-error"); | |
6315e761 RS |
3043 | |
3044 | Fput (Qdomain_error, Qerror_conditions, | |
d67b4f80 | 3045 | pure_cons (Qdomain_error, arith_tail)); |
6315e761 | 3046 | Fput (Qdomain_error, Qerror_message, |
d67b4f80 | 3047 | make_pure_c_string ("Arithmetic domain error")); |
6315e761 RS |
3048 | |
3049 | Fput (Qrange_error, Qerror_conditions, | |
d67b4f80 | 3050 | pure_cons (Qrange_error, arith_tail)); |
6315e761 | 3051 | Fput (Qrange_error, Qerror_message, |
d67b4f80 | 3052 | make_pure_c_string ("Arithmetic range error")); |
6315e761 RS |
3053 | |
3054 | Fput (Qsingularity_error, Qerror_conditions, | |
d67b4f80 | 3055 | pure_cons (Qsingularity_error, Fcons (Qdomain_error, arith_tail))); |
6315e761 | 3056 | Fput (Qsingularity_error, Qerror_message, |
d67b4f80 | 3057 | make_pure_c_string ("Arithmetic singularity error")); |
6315e761 RS |
3058 | |
3059 | Fput (Qoverflow_error, Qerror_conditions, | |
d67b4f80 | 3060 | pure_cons (Qoverflow_error, Fcons (Qdomain_error, arith_tail))); |
6315e761 | 3061 | Fput (Qoverflow_error, Qerror_message, |
d67b4f80 | 3062 | make_pure_c_string ("Arithmetic overflow error")); |
6315e761 RS |
3063 | |
3064 | Fput (Qunderflow_error, Qerror_conditions, | |
d67b4f80 | 3065 | pure_cons (Qunderflow_error, Fcons (Qdomain_error, arith_tail))); |
6315e761 | 3066 | Fput (Qunderflow_error, Qerror_message, |
d67b4f80 | 3067 | make_pure_c_string ("Arithmetic underflow error")); |
6315e761 RS |
3068 | |
3069 | staticpro (&Qrange_error); | |
3070 | staticpro (&Qdomain_error); | |
3071 | staticpro (&Qsingularity_error); | |
3072 | staticpro (&Qoverflow_error); | |
3073 | staticpro (&Qunderflow_error); | |
6315e761 | 3074 | |
7921925c JB |
3075 | staticpro (&Qnil); |
3076 | staticpro (&Qt); | |
3077 | staticpro (&Qquote); | |
3078 | staticpro (&Qlambda); | |
3079 | staticpro (&Qsubr); | |
3080 | staticpro (&Qunbound); | |
3081 | staticpro (&Qerror_conditions); | |
3082 | staticpro (&Qerror_message); | |
3083 | staticpro (&Qtop_level); | |
3084 | ||
3085 | staticpro (&Qerror); | |
3086 | staticpro (&Qquit); | |
3087 | staticpro (&Qwrong_type_argument); | |
3088 | staticpro (&Qargs_out_of_range); | |
3089 | staticpro (&Qvoid_function); | |
ffd56f97 | 3090 | staticpro (&Qcyclic_function_indirection); |
dfad0b34 | 3091 | staticpro (&Qcyclic_variable_indirection); |
7921925c JB |
3092 | staticpro (&Qvoid_variable); |
3093 | staticpro (&Qsetting_constant); | |
3094 | staticpro (&Qinvalid_read_syntax); | |
3095 | staticpro (&Qwrong_number_of_arguments); | |
3096 | staticpro (&Qinvalid_function); | |
3097 | staticpro (&Qno_catch); | |
3098 | staticpro (&Qend_of_file); | |
3099 | staticpro (&Qarith_error); | |
3100 | staticpro (&Qbeginning_of_buffer); | |
3101 | staticpro (&Qend_of_buffer); | |
3102 | staticpro (&Qbuffer_read_only); | |
8f9f49d7 | 3103 | staticpro (&Qtext_read_only); |
638b77e6 | 3104 | staticpro (&Qmark_inactive); |
7921925c JB |
3105 | |
3106 | staticpro (&Qlistp); | |
3107 | staticpro (&Qconsp); | |
3108 | staticpro (&Qsymbolp); | |
cda9b832 | 3109 | staticpro (&Qkeywordp); |
7921925c JB |
3110 | staticpro (&Qintegerp); |
3111 | staticpro (&Qnatnump); | |
8e86942b | 3112 | staticpro (&Qwholenump); |
7921925c JB |
3113 | staticpro (&Qstringp); |
3114 | staticpro (&Qarrayp); | |
3115 | staticpro (&Qsequencep); | |
3116 | staticpro (&Qbufferp); | |
3117 | staticpro (&Qvectorp); | |
3118 | staticpro (&Qchar_or_string_p); | |
3119 | staticpro (&Qmarkerp); | |
07bd8472 | 3120 | staticpro (&Qbuffer_or_string_p); |
7921925c | 3121 | staticpro (&Qinteger_or_marker_p); |
7921925c | 3122 | staticpro (&Qfloatp); |
464f8898 RS |
3123 | staticpro (&Qnumberp); |
3124 | staticpro (&Qnumber_or_marker_p); | |
4d276982 | 3125 | staticpro (&Qchar_table_p); |
7f0edce7 | 3126 | staticpro (&Qvector_or_char_table_p); |
6f0e897f DL |
3127 | staticpro (&Qsubrp); |
3128 | staticpro (&Qmany); | |
3129 | staticpro (&Qunevalled); | |
7921925c JB |
3130 | |
3131 | staticpro (&Qboundp); | |
3132 | staticpro (&Qfboundp); | |
3133 | staticpro (&Qcdr); | |
ab297811 | 3134 | staticpro (&Qad_advice_info); |
c1307a23 | 3135 | staticpro (&Qad_activate_internal); |
7921925c | 3136 | |
39bcc759 | 3137 | /* Types that type-of returns. */ |
d67b4f80 DN |
3138 | Qinteger = intern_c_string ("integer"); |
3139 | Qsymbol = intern_c_string ("symbol"); | |
3140 | Qstring = intern_c_string ("string"); | |
3141 | Qcons = intern_c_string ("cons"); | |
3142 | Qmarker = intern_c_string ("marker"); | |
3143 | Qoverlay = intern_c_string ("overlay"); | |
3144 | Qfloat = intern_c_string ("float"); | |
3145 | Qwindow_configuration = intern_c_string ("window-configuration"); | |
3146 | Qprocess = intern_c_string ("process"); | |
3147 | Qwindow = intern_c_string ("window"); | |
3148 | /* Qsubr = intern_c_string ("subr"); */ | |
3149 | Qcompiled_function = intern_c_string ("compiled-function"); | |
3150 | Qbuffer = intern_c_string ("buffer"); | |
3151 | Qframe = intern_c_string ("frame"); | |
3152 | Qvector = intern_c_string ("vector"); | |
3153 | Qchar_table = intern_c_string ("char-table"); | |
3154 | Qbool_vector = intern_c_string ("bool-vector"); | |
3155 | Qhash_table = intern_c_string ("hash-table"); | |
39bcc759 | 3156 | |
4e6f2626 CY |
3157 | DEFSYM (Qfont_spec, "font-spec"); |
3158 | DEFSYM (Qfont_entity, "font-entity"); | |
3159 | DEFSYM (Qfont_object, "font-object"); | |
3160 | ||
3860280a CY |
3161 | DEFSYM (Qinteractive_form, "interactive-form"); |
3162 | ||
39bcc759 RS |
3163 | staticpro (&Qinteger); |
3164 | staticpro (&Qsymbol); | |
3165 | staticpro (&Qstring); | |
3166 | staticpro (&Qcons); | |
3167 | staticpro (&Qmarker); | |
3168 | staticpro (&Qoverlay); | |
3169 | staticpro (&Qfloat); | |
3170 | staticpro (&Qwindow_configuration); | |
3171 | staticpro (&Qprocess); | |
3172 | staticpro (&Qwindow); | |
3173 | /* staticpro (&Qsubr); */ | |
3174 | staticpro (&Qcompiled_function); | |
3175 | staticpro (&Qbuffer); | |
3176 | staticpro (&Qframe); | |
3177 | staticpro (&Qvector); | |
fc67d5be KH |
3178 | staticpro (&Qchar_table); |
3179 | staticpro (&Qbool_vector); | |
81dc5de5 | 3180 | staticpro (&Qhash_table); |
39bcc759 | 3181 | |
f35d5bad | 3182 | defsubr (&Sindirect_variable); |
6b61353c | 3183 | defsubr (&Sinteractive_form); |
7921925c JB |
3184 | defsubr (&Seq); |
3185 | defsubr (&Snull); | |
39bcc759 | 3186 | defsubr (&Stype_of); |
7921925c JB |
3187 | defsubr (&Slistp); |
3188 | defsubr (&Snlistp); | |
3189 | defsubr (&Sconsp); | |
3190 | defsubr (&Satom); | |
3191 | defsubr (&Sintegerp); | |
464f8898 | 3192 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3193 | defsubr (&Snumberp); |
3194 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3195 | defsubr (&Sfloatp); |
7921925c JB |
3196 | defsubr (&Snatnump); |
3197 | defsubr (&Ssymbolp); | |
cda9b832 | 3198 | defsubr (&Skeywordp); |
7921925c | 3199 | defsubr (&Sstringp); |
0f56470d | 3200 | defsubr (&Smultibyte_string_p); |
7921925c | 3201 | defsubr (&Svectorp); |
4d276982 | 3202 | defsubr (&Schar_table_p); |
7f0edce7 | 3203 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3204 | defsubr (&Sbool_vector_p); |
7921925c JB |
3205 | defsubr (&Sarrayp); |
3206 | defsubr (&Ssequencep); | |
3207 | defsubr (&Sbufferp); | |
3208 | defsubr (&Smarkerp); | |
7921925c | 3209 | defsubr (&Ssubrp); |
dbc4e1c1 | 3210 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3211 | defsubr (&Schar_or_string_p); |
3212 | defsubr (&Scar); | |
3213 | defsubr (&Scdr); | |
3214 | defsubr (&Scar_safe); | |
3215 | defsubr (&Scdr_safe); | |
3216 | defsubr (&Ssetcar); | |
3217 | defsubr (&Ssetcdr); | |
3218 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3219 | defsubr (&Sindirect_function); |
7921925c JB |
3220 | defsubr (&Ssymbol_plist); |
3221 | defsubr (&Ssymbol_name); | |
3222 | defsubr (&Smakunbound); | |
3223 | defsubr (&Sfmakunbound); | |
3224 | defsubr (&Sboundp); | |
3225 | defsubr (&Sfboundp); | |
3226 | defsubr (&Sfset); | |
80df38a2 | 3227 | defsubr (&Sdefalias); |
7921925c JB |
3228 | defsubr (&Ssetplist); |
3229 | defsubr (&Ssymbol_value); | |
3230 | defsubr (&Sset); | |
3231 | defsubr (&Sdefault_boundp); | |
3232 | defsubr (&Sdefault_value); | |
3233 | defsubr (&Sset_default); | |
3234 | defsubr (&Ssetq_default); | |
3235 | defsubr (&Smake_variable_buffer_local); | |
3236 | defsubr (&Smake_local_variable); | |
3237 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3238 | defsubr (&Smake_variable_frame_local); |
62476adc | 3239 | defsubr (&Slocal_variable_p); |
f4f04cee | 3240 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3241 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3242 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3243 | defsubr (&Sterminal_local_value); |
3244 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3245 | #endif |
7921925c JB |
3246 | defsubr (&Saref); |
3247 | defsubr (&Saset); | |
f2980264 | 3248 | defsubr (&Snumber_to_string); |
25e40a4b | 3249 | defsubr (&Sstring_to_number); |
7921925c JB |
3250 | defsubr (&Seqlsign); |
3251 | defsubr (&Slss); | |
3252 | defsubr (&Sgtr); | |
3253 | defsubr (&Sleq); | |
3254 | defsubr (&Sgeq); | |
3255 | defsubr (&Sneq); | |
3256 | defsubr (&Szerop); | |
3257 | defsubr (&Splus); | |
3258 | defsubr (&Sminus); | |
3259 | defsubr (&Stimes); | |
3260 | defsubr (&Squo); | |
3261 | defsubr (&Srem); | |
44fa9da5 | 3262 | defsubr (&Smod); |
7921925c JB |
3263 | defsubr (&Smax); |
3264 | defsubr (&Smin); | |
3265 | defsubr (&Slogand); | |
3266 | defsubr (&Slogior); | |
3267 | defsubr (&Slogxor); | |
3268 | defsubr (&Slsh); | |
3269 | defsubr (&Sash); | |
3270 | defsubr (&Sadd1); | |
3271 | defsubr (&Ssub1); | |
3272 | defsubr (&Slognot); | |
6b61353c | 3273 | defsubr (&Sbyteorder); |
6f0e897f | 3274 | defsubr (&Ssubr_arity); |
0fddae66 | 3275 | defsubr (&Ssubr_name); |
8e86942b | 3276 | |
c80bd143 | 3277 | XSYMBOL (Qwholenump)->function = XSYMBOL (Qnatnump)->function; |
e6190b11 | 3278 | |
9d113d9d AS |
3279 | DEFVAR_LISP ("most-positive-fixnum", &Vmost_positive_fixnum, |
3280 | doc: /* The largest value that is representable in a Lisp integer. */); | |
3281 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3282 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3283 | |
9d113d9d AS |
3284 | DEFVAR_LISP ("most-negative-fixnum", &Vmost_negative_fixnum, |
3285 | doc: /* The smallest value that is representable in a Lisp integer. */); | |
3286 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3287 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c JB |
3288 | } |
3289 | ||
a33ef3ab | 3290 | SIGTYPE |
7921925c JB |
3291 | arith_error (signo) |
3292 | int signo; | |
3293 | { | |
fe42a920 | 3294 | #if defined(USG) && !defined(POSIX_SIGNALS) |
7921925c JB |
3295 | /* USG systems forget handlers when they are used; |
3296 | must reestablish each time */ | |
3297 | signal (signo, arith_error); | |
3298 | #endif /* USG */ | |
e065a56e | 3299 | sigsetmask (SIGEMPTYMASK); |
7921925c | 3300 | |
333f1b6f | 3301 | SIGNAL_THREAD_CHECK (signo); |
740ef0b5 | 3302 | xsignal0 (Qarith_error); |
7921925c JB |
3303 | } |
3304 | ||
dfcf069d | 3305 | void |
7921925c JB |
3306 | init_data () |
3307 | { | |
3308 | /* Don't do this if just dumping out. | |
3309 | We don't want to call `signal' in this case | |
3310 | so that we don't have trouble with dumping | |
3311 | signal-delivering routines in an inconsistent state. */ | |
3312 | #ifndef CANNOT_DUMP | |
3313 | if (!initialized) | |
3314 | return; | |
3315 | #endif /* CANNOT_DUMP */ | |
3316 | signal (SIGFPE, arith_error); | |
7403b5c8 | 3317 | |
7921925c JB |
3318 | #ifdef uts |
3319 | signal (SIGEMT, arith_error); | |
3320 | #endif /* uts */ | |
3321 | } | |
6b61353c KH |
3322 | |
3323 | /* arch-tag: 25879798-b84d-479a-9c89-7d148e2109f7 | |
3324 | (do not change this comment) */ |