Commit | Line | Data |
---|---|---|
7921925c | 1 | /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter. |
ab422c4d PE |
2 | Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2013 Free Software |
3 | Foundation, Inc. | |
7921925c JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
7921925c | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
7921925c JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
7921925c JB |
19 | |
20 | ||
18160b98 | 21 | #include <config.h> |
dd8daec5 | 22 | #include <stdio.h> |
0ae6bdee | 23 | |
4eed3157 | 24 | #include <byteswap.h> |
595e113b PE |
25 | #include <count-one-bits.h> |
26 | #include <count-trailing-zeros.h> | |
0ae6bdee PE |
27 | #include <intprops.h> |
28 | ||
7921925c | 29 | #include "lisp.h" |
29eab336 | 30 | #include "puresize.h" |
e6e1f521 | 31 | #include "character.h" |
7921925c | 32 | #include "buffer.h" |
077d751f | 33 | #include "keyboard.h" |
b0c2d1c6 | 34 | #include "frame.h" |
a44804c2 | 35 | #include "syssignal.h" |
620c53a6 | 36 | #include "termhooks.h" /* For FRAME_KBOARD reference in y-or-n-p. */ |
4e6f2626 | 37 | #include "font.h" |
61b108cc | 38 | #include "keymap.h" |
fb8e9847 | 39 | |
955cbe7b PE |
40 | Lisp_Object Qnil, Qt, Qquote, Qlambda, Qunbound; |
41 | static Lisp_Object Qsubr; | |
7921925c | 42 | Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; |
71873e2b | 43 | Lisp_Object Qerror, Quser_error, Qquit, Qargs_out_of_range; |
955cbe7b PE |
44 | static Lisp_Object Qwrong_type_argument; |
45 | Lisp_Object Qvoid_variable, Qvoid_function; | |
46 | static Lisp_Object Qcyclic_function_indirection; | |
47 | static Lisp_Object Qcyclic_variable_indirection; | |
48 | Lisp_Object Qcircular_list; | |
49 | static Lisp_Object Qsetting_constant; | |
50 | Lisp_Object Qinvalid_read_syntax; | |
7921925c | 51 | Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; |
3b8819d6 | 52 | Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
7921925c | 53 | Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
8f9f49d7 | 54 | Lisp_Object Qtext_read_only; |
6b61353c | 55 | |
955cbe7b PE |
56 | Lisp_Object Qintegerp, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
57 | static Lisp_Object Qnatnump; | |
7921925c JB |
58 | Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
59 | Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; | |
3e0b94e7 | 60 | Lisp_Object Qbool_vector_p; |
955cbe7b PE |
61 | Lisp_Object Qbuffer_or_string_p; |
62 | static Lisp_Object Qkeywordp, Qboundp; | |
63 | Lisp_Object Qfboundp; | |
7f0edce7 | 64 | Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
39bcc759 | 65 | |
7921925c | 66 | Lisp_Object Qcdr; |
955cbe7b | 67 | static Lisp_Object Qad_advice_info, Qad_activate_internal; |
7921925c | 68 | |
c990426a PE |
69 | static Lisp_Object Qdomain_error, Qsingularity_error, Qunderflow_error; |
70 | Lisp_Object Qrange_error, Qoverflow_error; | |
6315e761 | 71 | |
464f8898 | 72 | Lisp_Object Qfloatp; |
7921925c | 73 | Lisp_Object Qnumberp, Qnumber_or_marker_p; |
7921925c | 74 | |
b52d6985 PE |
75 | Lisp_Object Qinteger, Qsymbol; |
76 | static Lisp_Object Qcons, Qfloat, Qmisc, Qstring, Qvector; | |
e6cba650 | 77 | Lisp_Object Qwindow; |
3ab6e069 DA |
78 | static Lisp_Object Qoverlay, Qwindow_configuration; |
79 | static Lisp_Object Qprocess, Qmarker; | |
80 | static Lisp_Object Qcompiled_function, Qframe; | |
4b66faf3 | 81 | Lisp_Object Qbuffer; |
81dc5de5 | 82 | static Lisp_Object Qchar_table, Qbool_vector, Qhash_table; |
84575e67 PE |
83 | static Lisp_Object Qsubrp; |
84 | static Lisp_Object Qmany, Qunevalled; | |
4e6f2626 | 85 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
61b108cc | 86 | static Lisp_Object Qdefun; |
39bcc759 | 87 | |
12cc4337 PE |
88 | Lisp_Object Qinteractive_form; |
89 | static Lisp_Object Qdefalias_fset_function; | |
3860280a | 90 | |
ce5b453a | 91 | static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *); |
d02eeab3 | 92 | |
84575e67 PE |
93 | static bool |
94 | BOOLFWDP (union Lisp_Fwd *a) | |
95 | { | |
96 | return XFWDTYPE (a) == Lisp_Fwd_Bool; | |
97 | } | |
98 | static bool | |
99 | INTFWDP (union Lisp_Fwd *a) | |
100 | { | |
101 | return XFWDTYPE (a) == Lisp_Fwd_Int; | |
102 | } | |
103 | static bool | |
104 | KBOARD_OBJFWDP (union Lisp_Fwd *a) | |
105 | { | |
106 | return XFWDTYPE (a) == Lisp_Fwd_Kboard_Obj; | |
107 | } | |
108 | static bool | |
109 | OBJFWDP (union Lisp_Fwd *a) | |
110 | { | |
111 | return XFWDTYPE (a) == Lisp_Fwd_Obj; | |
112 | } | |
113 | ||
114 | static struct Lisp_Boolfwd * | |
115 | XBOOLFWD (union Lisp_Fwd *a) | |
116 | { | |
117 | eassert (BOOLFWDP (a)); | |
118 | return &a->u_boolfwd; | |
119 | } | |
120 | static struct Lisp_Kboard_Objfwd * | |
121 | XKBOARD_OBJFWD (union Lisp_Fwd *a) | |
122 | { | |
123 | eassert (KBOARD_OBJFWDP (a)); | |
124 | return &a->u_kboard_objfwd; | |
125 | } | |
126 | static struct Lisp_Intfwd * | |
127 | XINTFWD (union Lisp_Fwd *a) | |
128 | { | |
129 | eassert (INTFWDP (a)); | |
130 | return &a->u_intfwd; | |
131 | } | |
132 | static struct Lisp_Objfwd * | |
133 | XOBJFWD (union Lisp_Fwd *a) | |
134 | { | |
135 | eassert (OBJFWDP (a)); | |
136 | return &a->u_objfwd; | |
137 | } | |
138 | ||
139 | static void | |
140 | CHECK_SUBR (Lisp_Object x) | |
141 | { | |
142 | CHECK_TYPE (SUBRP (x), Qsubrp, x); | |
143 | } | |
144 | ||
145 | static void | |
146 | set_blv_found (struct Lisp_Buffer_Local_Value *blv, int found) | |
147 | { | |
148 | eassert (found == !EQ (blv->defcell, blv->valcell)); | |
149 | blv->found = found; | |
150 | } | |
151 | ||
152 | static Lisp_Object | |
153 | blv_value (struct Lisp_Buffer_Local_Value *blv) | |
154 | { | |
155 | return XCDR (blv->valcell); | |
156 | } | |
157 | ||
158 | static void | |
159 | set_blv_value (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
160 | { | |
161 | XSETCDR (blv->valcell, val); | |
162 | } | |
163 | ||
164 | static void | |
165 | set_blv_where (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
166 | { | |
167 | blv->where = val; | |
168 | } | |
169 | ||
170 | static void | |
171 | set_blv_defcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
172 | { | |
173 | blv->defcell = val; | |
174 | } | |
175 | ||
176 | static void | |
177 | set_blv_valcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
178 | { | |
179 | blv->valcell = val; | |
180 | } | |
13d95cc0 | 181 | |
7921925c | 182 | Lisp_Object |
971de7fb | 183 | wrong_type_argument (register Lisp_Object predicate, register Lisp_Object value) |
7921925c | 184 | { |
2de9f71c SM |
185 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
186 | where we can get a backtrace showing where it came from. We used | |
187 | to try and do that by checking the tagbits, but nowadays all | |
188 | tagbits are potentially valid. */ | |
189 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
1088b922 | 190 | * emacs_abort (); */ |
e1351ff7 | 191 | |
740ef0b5 | 192 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
193 | } |
194 | ||
dfcf069d | 195 | void |
a8a7c5f6 | 196 | pure_write_error (Lisp_Object obj) |
7921925c | 197 | { |
3d5ee10a | 198 | xsignal2 (Qerror, build_string ("Attempt to modify read-only object"), obj); |
7921925c JB |
199 | } |
200 | ||
201 | void | |
971de7fb | 202 | args_out_of_range (Lisp_Object a1, Lisp_Object a2) |
7921925c | 203 | { |
740ef0b5 | 204 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
205 | } |
206 | ||
207 | void | |
971de7fb | 208 | args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) |
7921925c | 209 | { |
740ef0b5 | 210 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
211 | } |
212 | ||
7921925c | 213 | \f |
61b108cc | 214 | /* Data type predicates. */ |
7921925c JB |
215 | |
216 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 | 217 | doc: /* Return t if the two args are the same Lisp object. */) |
5842a27b | 218 | (Lisp_Object obj1, Lisp_Object obj2) |
7921925c JB |
219 | { |
220 | if (EQ (obj1, obj2)) | |
221 | return Qt; | |
222 | return Qnil; | |
223 | } | |
224 | ||
8c1a1077 PJ |
225 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
226 | doc: /* Return t if OBJECT is nil. */) | |
5842a27b | 227 | (Lisp_Object object) |
7921925c | 228 | { |
39bcc759 | 229 | if (NILP (object)) |
7921925c JB |
230 | return Qt; |
231 | return Qnil; | |
232 | } | |
233 | ||
39bcc759 | 234 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
235 | doc: /* Return a symbol representing the type of OBJECT. |
236 | The symbol returned names the object's basic type; | |
237 | for example, (type-of 1) returns `integer'. */) | |
5842a27b | 238 | (Lisp_Object object) |
39bcc759 | 239 | { |
8e50cc2d | 240 | switch (XTYPE (object)) |
39bcc759 | 241 | { |
2de9f71c | 242 | case_Lisp_Int: |
39bcc759 RS |
243 | return Qinteger; |
244 | ||
245 | case Lisp_Symbol: | |
246 | return Qsymbol; | |
247 | ||
248 | case Lisp_String: | |
249 | return Qstring; | |
250 | ||
251 | case Lisp_Cons: | |
252 | return Qcons; | |
253 | ||
254 | case Lisp_Misc: | |
324a6eef | 255 | switch (XMISCTYPE (object)) |
39bcc759 RS |
256 | { |
257 | case Lisp_Misc_Marker: | |
258 | return Qmarker; | |
259 | case Lisp_Misc_Overlay: | |
260 | return Qoverlay; | |
261 | case Lisp_Misc_Float: | |
262 | return Qfloat; | |
263 | } | |
1088b922 | 264 | emacs_abort (); |
39bcc759 RS |
265 | |
266 | case Lisp_Vectorlike: | |
8e50cc2d | 267 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 268 | return Qwindow_configuration; |
8e50cc2d | 269 | if (PROCESSP (object)) |
39bcc759 | 270 | return Qprocess; |
8e50cc2d | 271 | if (WINDOWP (object)) |
39bcc759 | 272 | return Qwindow; |
8e50cc2d | 273 | if (SUBRP (object)) |
39bcc759 | 274 | return Qsubr; |
876c194c SM |
275 | if (COMPILEDP (object)) |
276 | return Qcompiled_function; | |
8e50cc2d | 277 | if (BUFFERP (object)) |
39bcc759 | 278 | return Qbuffer; |
8e50cc2d | 279 | if (CHAR_TABLE_P (object)) |
fc67d5be | 280 | return Qchar_table; |
8e50cc2d | 281 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 282 | return Qbool_vector; |
8e50cc2d | 283 | if (FRAMEP (object)) |
39bcc759 | 284 | return Qframe; |
8e50cc2d | 285 | if (HASH_TABLE_P (object)) |
81dc5de5 | 286 | return Qhash_table; |
4e6f2626 CY |
287 | if (FONT_SPEC_P (object)) |
288 | return Qfont_spec; | |
289 | if (FONT_ENTITY_P (object)) | |
290 | return Qfont_entity; | |
291 | if (FONT_OBJECT_P (object)) | |
292 | return Qfont_object; | |
39bcc759 RS |
293 | return Qvector; |
294 | ||
39bcc759 RS |
295 | case Lisp_Float: |
296 | return Qfloat; | |
39bcc759 RS |
297 | |
298 | default: | |
1088b922 | 299 | emacs_abort (); |
39bcc759 RS |
300 | } |
301 | } | |
302 | ||
8c1a1077 PJ |
303 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
304 | doc: /* Return t if OBJECT is a cons cell. */) | |
5842a27b | 305 | (Lisp_Object object) |
7921925c | 306 | { |
39bcc759 | 307 | if (CONSP (object)) |
7921925c JB |
308 | return Qt; |
309 | return Qnil; | |
310 | } | |
311 | ||
25638b07 | 312 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 | 313 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
5842a27b | 314 | (Lisp_Object object) |
7921925c | 315 | { |
39bcc759 | 316 | if (CONSP (object)) |
7921925c JB |
317 | return Qnil; |
318 | return Qt; | |
319 | } | |
320 | ||
25638b07 | 321 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
322 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
323 | Otherwise, return nil. */) | |
5842a27b | 324 | (Lisp_Object object) |
7921925c | 325 | { |
39bcc759 | 326 | if (CONSP (object) || NILP (object)) |
7921925c JB |
327 | return Qt; |
328 | return Qnil; | |
329 | } | |
330 | ||
25638b07 | 331 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 | 332 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
5842a27b | 333 | (Lisp_Object object) |
7921925c | 334 | { |
39bcc759 | 335 | if (CONSP (object) || NILP (object)) |
7921925c JB |
336 | return Qnil; |
337 | return Qt; | |
338 | } | |
339 | \f | |
25638b07 | 340 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 | 341 | doc: /* Return t if OBJECT is a symbol. */) |
5842a27b | 342 | (Lisp_Object object) |
7921925c | 343 | { |
39bcc759 | 344 | if (SYMBOLP (object)) |
7921925c JB |
345 | return Qt; |
346 | return Qnil; | |
347 | } | |
348 | ||
cda9b832 DL |
349 | /* Define this in C to avoid unnecessarily consing up the symbol |
350 | name. */ | |
351 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
352 | doc: /* Return t if OBJECT is a keyword. |
353 | This means that it is a symbol with a print name beginning with `:' | |
354 | interned in the initial obarray. */) | |
5842a27b | 355 | (Lisp_Object object) |
cda9b832 DL |
356 | { |
357 | if (SYMBOLP (object) | |
d5db4077 | 358 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 359 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
360 | return Qt; |
361 | return Qnil; | |
362 | } | |
363 | ||
25638b07 | 364 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 | 365 | doc: /* Return t if OBJECT is a vector. */) |
5842a27b | 366 | (Lisp_Object object) |
7921925c | 367 | { |
39bcc759 | 368 | if (VECTORP (object)) |
7921925c JB |
369 | return Qt; |
370 | return Qnil; | |
371 | } | |
372 | ||
25638b07 | 373 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 | 374 | doc: /* Return t if OBJECT is a string. */) |
5842a27b | 375 | (Lisp_Object object) |
7921925c | 376 | { |
39bcc759 | 377 | if (STRINGP (object)) |
7921925c JB |
378 | return Qt; |
379 | return Qnil; | |
380 | } | |
381 | ||
25638b07 | 382 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 | 383 | 1, 1, 0, |
3323c263 EZ |
384 | doc: /* Return t if OBJECT is a multibyte string. |
385 | Return nil if OBJECT is either a unibyte string, or not a string. */) | |
5842a27b | 386 | (Lisp_Object object) |
25638b07 RS |
387 | { |
388 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
389 | return Qt; | |
390 | return Qnil; | |
391 | } | |
392 | ||
393 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 | 394 | doc: /* Return t if OBJECT is a char-table. */) |
5842a27b | 395 | (Lisp_Object object) |
4d276982 RS |
396 | { |
397 | if (CHAR_TABLE_P (object)) | |
398 | return Qt; | |
399 | return Qnil; | |
400 | } | |
401 | ||
7f0edce7 RS |
402 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
403 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 | 404 | doc: /* Return t if OBJECT is a char-table or vector. */) |
5842a27b | 405 | (Lisp_Object object) |
7f0edce7 RS |
406 | { |
407 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
408 | return Qt; | |
409 | return Qnil; | |
410 | } | |
411 | ||
8c1a1077 PJ |
412 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
413 | doc: /* Return t if OBJECT is a bool-vector. */) | |
5842a27b | 414 | (Lisp_Object object) |
4d276982 RS |
415 | { |
416 | if (BOOL_VECTOR_P (object)) | |
417 | return Qt; | |
418 | return Qnil; | |
419 | } | |
420 | ||
8c1a1077 PJ |
421 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
422 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
5842a27b | 423 | (Lisp_Object object) |
7921925c | 424 | { |
0c64a8cd | 425 | if (ARRAYP (object)) |
7921925c JB |
426 | return Qt; |
427 | return Qnil; | |
428 | } | |
429 | ||
430 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 | 431 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
5842a27b | 432 | (register Lisp_Object object) |
7921925c | 433 | { |
0c64a8cd | 434 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
435 | return Qt; |
436 | return Qnil; | |
437 | } | |
438 | ||
8c1a1077 PJ |
439 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
440 | doc: /* Return t if OBJECT is an editor buffer. */) | |
5842a27b | 441 | (Lisp_Object object) |
7921925c | 442 | { |
39bcc759 | 443 | if (BUFFERP (object)) |
7921925c JB |
444 | return Qt; |
445 | return Qnil; | |
446 | } | |
447 | ||
8c1a1077 PJ |
448 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
449 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
5842a27b | 450 | (Lisp_Object object) |
7921925c | 451 | { |
39bcc759 | 452 | if (MARKERP (object)) |
7921925c JB |
453 | return Qt; |
454 | return Qnil; | |
455 | } | |
456 | ||
8c1a1077 PJ |
457 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
458 | doc: /* Return t if OBJECT is a built-in function. */) | |
5842a27b | 459 | (Lisp_Object object) |
7921925c | 460 | { |
39bcc759 | 461 | if (SUBRP (object)) |
7921925c JB |
462 | return Qt; |
463 | return Qnil; | |
464 | } | |
465 | ||
dbc4e1c1 | 466 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
467 | 1, 1, 0, |
468 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
5842a27b | 469 | (Lisp_Object object) |
7921925c | 470 | { |
39bcc759 | 471 | if (COMPILEDP (object)) |
7921925c JB |
472 | return Qt; |
473 | return Qnil; | |
474 | } | |
475 | ||
0321d75c | 476 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 477 | doc: /* Return t if OBJECT is a character or a string. */) |
5842a27b | 478 | (register Lisp_Object object) |
7921925c | 479 | { |
cfd70f33 | 480 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
481 | return Qt; |
482 | return Qnil; | |
483 | } | |
484 | \f | |
8c1a1077 PJ |
485 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
486 | doc: /* Return t if OBJECT is an integer. */) | |
5842a27b | 487 | (Lisp_Object object) |
7921925c | 488 | { |
39bcc759 | 489 | if (INTEGERP (object)) |
7921925c JB |
490 | return Qt; |
491 | return Qnil; | |
492 | } | |
493 | ||
464f8898 | 494 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 | 495 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
5842a27b | 496 | (register Lisp_Object object) |
7921925c | 497 | { |
39bcc759 | 498 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
499 | return Qt; |
500 | return Qnil; | |
501 | } | |
502 | ||
0321d75c | 503 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 | 504 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
5842a27b | 505 | (Lisp_Object object) |
7921925c | 506 | { |
39bcc759 | 507 | if (NATNUMP (object)) |
7921925c JB |
508 | return Qt; |
509 | return Qnil; | |
510 | } | |
511 | ||
512 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 | 513 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
5842a27b | 514 | (Lisp_Object object) |
7921925c | 515 | { |
39bcc759 | 516 | if (NUMBERP (object)) |
7921925c | 517 | return Qt; |
dbc4e1c1 JB |
518 | else |
519 | return Qnil; | |
7921925c JB |
520 | } |
521 | ||
522 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
523 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 | 524 | doc: /* Return t if OBJECT is a number or a marker. */) |
5842a27b | 525 | (Lisp_Object object) |
7921925c | 526 | { |
39bcc759 | 527 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
528 | return Qt; |
529 | return Qnil; | |
530 | } | |
464f8898 | 531 | |
464f8898 | 532 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 | 533 | doc: /* Return t if OBJECT is a floating point number. */) |
5842a27b | 534 | (Lisp_Object object) |
464f8898 | 535 | { |
39bcc759 | 536 | if (FLOATP (object)) |
464f8898 RS |
537 | return Qt; |
538 | return Qnil; | |
539 | } | |
cc94f3b2 | 540 | |
7921925c | 541 | \f |
32e5c58c | 542 | /* Extract and set components of lists. */ |
7921925c | 543 | |
a7ca3326 | 544 | DEFUN ("car", Fcar, Scar, 1, 1, 0, |
8c1a1077 | 545 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
546 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
547 | ||
da46c5be LT |
548 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
549 | Lisp concepts such as car, cdr, cons cell and list. */) | |
5842a27b | 550 | (register Lisp_Object list) |
7921925c | 551 | { |
0c64a8cd | 552 | return CAR (list); |
7921925c JB |
553 | } |
554 | ||
a7ca3326 | 555 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, |
8c1a1077 | 556 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 557 | (Lisp_Object object) |
7921925c | 558 | { |
0c64a8cd | 559 | return CAR_SAFE (object); |
7921925c JB |
560 | } |
561 | ||
a7ca3326 | 562 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, |
8c1a1077 | 563 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
564 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
565 | ||
da46c5be LT |
566 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
567 | Lisp concepts such as cdr, car, cons cell and list. */) | |
5842a27b | 568 | (register Lisp_Object list) |
7921925c | 569 | { |
0c64a8cd | 570 | return CDR (list); |
7921925c JB |
571 | } |
572 | ||
a7ca3326 | 573 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, |
8c1a1077 | 574 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 575 | (Lisp_Object object) |
7921925c | 576 | { |
0c64a8cd | 577 | return CDR_SAFE (object); |
7921925c JB |
578 | } |
579 | ||
a7ca3326 | 580 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, |
8c1a1077 | 581 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
5842a27b | 582 | (register Lisp_Object cell, Lisp_Object newcar) |
7921925c | 583 | { |
0c64a8cd | 584 | CHECK_CONS (cell); |
7921925c | 585 | CHECK_IMPURE (cell); |
f3fbd155 | 586 | XSETCAR (cell, newcar); |
7921925c JB |
587 | return newcar; |
588 | } | |
589 | ||
a7ca3326 | 590 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, |
8c1a1077 | 591 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
5842a27b | 592 | (register Lisp_Object cell, Lisp_Object newcdr) |
7921925c | 593 | { |
0c64a8cd | 594 | CHECK_CONS (cell); |
7921925c | 595 | CHECK_IMPURE (cell); |
f3fbd155 | 596 | XSETCDR (cell, newcdr); |
7921925c JB |
597 | return newcdr; |
598 | } | |
599 | \f | |
1ec4b7b2 | 600 | /* Extract and set components of symbols. */ |
7921925c | 601 | |
a7ca3326 | 602 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
a9de9f0c GM |
603 | doc: /* Return t if SYMBOL's value is not void. |
604 | Note that if `lexical-binding' is in effect, this refers to the | |
605 | global value outside of any lexical scope. */) | |
5842a27b | 606 | (register Lisp_Object symbol) |
7921925c JB |
607 | { |
608 | Lisp_Object valcontents; | |
ce5b453a | 609 | struct Lisp_Symbol *sym; |
b7826503 | 610 | CHECK_SYMBOL (symbol); |
ce5b453a | 611 | sym = XSYMBOL (symbol); |
7921925c | 612 | |
ce5b453a SM |
613 | start: |
614 | switch (sym->redirect) | |
615 | { | |
616 | case SYMBOL_PLAINVAL: valcontents = SYMBOL_VAL (sym); break; | |
617 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
618 | case SYMBOL_LOCALIZED: | |
619 | { | |
620 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
621 | if (blv->fwd) | |
622 | /* In set_internal, we un-forward vars when their value is | |
7be68de5 | 623 | set to Qunbound. */ |
ce5b453a SM |
624 | return Qt; |
625 | else | |
626 | { | |
627 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 628 | valcontents = blv_value (blv); |
ce5b453a SM |
629 | } |
630 | break; | |
631 | } | |
632 | case SYMBOL_FORWARDED: | |
633 | /* In set_internal, we un-forward vars when their value is | |
7be68de5 | 634 | set to Qunbound. */ |
ce5b453a | 635 | return Qt; |
1088b922 | 636 | default: emacs_abort (); |
ce5b453a | 637 | } |
7921925c | 638 | |
1bfcade3 | 639 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
640 | } |
641 | ||
eadf1faa | 642 | /* FIXME: Make it an alias for function-symbol! */ |
a7ca3326 | 643 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
8c1a1077 | 644 | doc: /* Return t if SYMBOL's function definition is not void. */) |
5842a27b | 645 | (register Lisp_Object symbol) |
7921925c | 646 | { |
b7826503 | 647 | CHECK_SYMBOL (symbol); |
eadf1faa | 648 | return NILP (XSYMBOL (symbol)->function) ? Qnil : Qt; |
7921925c JB |
649 | } |
650 | ||
8c1a1077 | 651 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
652 | doc: /* Make SYMBOL's value be void. |
653 | Return SYMBOL. */) | |
5842a27b | 654 | (register Lisp_Object symbol) |
7921925c | 655 | { |
b7826503 | 656 | CHECK_SYMBOL (symbol); |
64ec26d6 | 657 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 658 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
659 | Fset (symbol, Qunbound); |
660 | return symbol; | |
7921925c JB |
661 | } |
662 | ||
8c1a1077 | 663 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
eadf1faa | 664 | doc: /* Make SYMBOL's function definition be nil. |
bfb96cb7 | 665 | Return SYMBOL. */) |
5842a27b | 666 | (register Lisp_Object symbol) |
7921925c | 667 | { |
b7826503 | 668 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 669 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 670 | xsignal1 (Qsetting_constant, symbol); |
eadf1faa | 671 | set_symbol_function (symbol, Qnil); |
d9c2a0f2 | 672 | return symbol; |
7921925c JB |
673 | } |
674 | ||
a7ca3326 | 675 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, |
8c1a1077 | 676 | doc: /* Return SYMBOL's function definition. Error if that is void. */) |
5842a27b | 677 | (register Lisp_Object symbol) |
7921925c | 678 | { |
b7826503 | 679 | CHECK_SYMBOL (symbol); |
39a035e8 | 680 | return XSYMBOL (symbol)->function; |
7921925c JB |
681 | } |
682 | ||
8c1a1077 PJ |
683 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
684 | doc: /* Return SYMBOL's property list. */) | |
5842a27b | 685 | (register Lisp_Object symbol) |
7921925c | 686 | { |
b7826503 | 687 | CHECK_SYMBOL (symbol); |
c644523b | 688 | return XSYMBOL (symbol)->plist; |
7921925c JB |
689 | } |
690 | ||
a7ca3326 | 691 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
8c1a1077 | 692 | doc: /* Return SYMBOL's name, a string. */) |
5842a27b | 693 | (register Lisp_Object symbol) |
7921925c JB |
694 | { |
695 | register Lisp_Object name; | |
696 | ||
b7826503 | 697 | CHECK_SYMBOL (symbol); |
84023177 | 698 | name = SYMBOL_NAME (symbol); |
7921925c JB |
699 | return name; |
700 | } | |
701 | ||
a7ca3326 | 702 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, |
8c1a1077 | 703 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
5842a27b | 704 | (register Lisp_Object symbol, Lisp_Object definition) |
d9c2a0f2 | 705 | { |
764ea377 | 706 | register Lisp_Object function; |
b7826503 | 707 | CHECK_SYMBOL (symbol); |
764ea377 | 708 | |
c644523b | 709 | function = XSYMBOL (symbol)->function; |
764ea377 | 710 | |
eadf1faa | 711 | if (!NILP (Vautoload_queue) && !NILP (function)) |
764ea377 JB |
712 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); |
713 | ||
32e5c58c | 714 | if (AUTOLOADP (function)) |
764ea377 JB |
715 | Fput (symbol, Qautoload, XCDR (function)); |
716 | ||
c644523b | 717 | set_symbol_function (symbol, definition); |
32e5c58c | 718 | |
8c0b5540 | 719 | return definition; |
7921925c JB |
720 | } |
721 | ||
d2fde41d | 722 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, |
1053a871 | 723 | doc: /* Set SYMBOL's function definition to DEFINITION. |
96143227 RS |
724 | Associates the function with the current load file, if any. |
725 | The optional third argument DOCSTRING specifies the documentation string | |
726 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
1053a871 SM |
727 | determined by DEFINITION. |
728 | The return value is undefined. */) | |
5842a27b | 729 | (register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring) |
fc08c367 | 730 | { |
8a658a52 | 731 | CHECK_SYMBOL (symbol); |
61b108cc SM |
732 | if (!NILP (Vpurify_flag) |
733 | /* If `definition' is a keymap, immutable (and copying) is wrong. */ | |
734 | && !KEYMAPP (definition)) | |
735 | definition = Fpurecopy (definition); | |
32e5c58c SM |
736 | |
737 | { | |
738 | bool autoload = AUTOLOADP (definition); | |
739 | if (NILP (Vpurify_flag) || !autoload) | |
740 | { /* Only add autoload entries after dumping, because the ones before are | |
741 | not useful and else we get loads of them from the loaddefs.el. */ | |
742 | ||
743 | if (AUTOLOADP (XSYMBOL (symbol)->function)) | |
744 | /* Remember that the function was already an autoload. */ | |
745 | LOADHIST_ATTACH (Fcons (Qt, symbol)); | |
746 | LOADHIST_ATTACH (Fcons (autoload ? Qautoload : Qdefun, symbol)); | |
747 | } | |
748 | } | |
749 | ||
750 | { /* Handle automatic advice activation. */ | |
751 | Lisp_Object hook = Fget (symbol, Qdefalias_fset_function); | |
752 | if (!NILP (hook)) | |
753 | call2 (hook, symbol, definition); | |
754 | else | |
755 | Ffset (symbol, definition); | |
756 | } | |
757 | ||
d2fde41d SM |
758 | if (!NILP (docstring)) |
759 | Fput (symbol, Qfunction_documentation, docstring); | |
1053a871 SM |
760 | /* We used to return `definition', but now that `defun' and `defmacro' expand |
761 | to a call to `defalias', we return `symbol' for backward compatibility | |
762 | (bug#11686). */ | |
763 | return symbol; | |
fc08c367 RS |
764 | } |
765 | ||
7921925c | 766 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 767 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
5842a27b | 768 | (register Lisp_Object symbol, Lisp_Object newplist) |
7921925c | 769 | { |
b7826503 | 770 | CHECK_SYMBOL (symbol); |
c644523b | 771 | set_symbol_plist (symbol, newplist); |
7921925c JB |
772 | return newplist; |
773 | } | |
ffd56f97 | 774 | |
6f0e897f | 775 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
776 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
777 | SUBR must be a built-in function. | |
778 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
779 | of args. MAX is the maximum number or the symbol `many', for a | |
780 | function with `&rest' args, or `unevalled' for a special form. */) | |
5842a27b | 781 | (Lisp_Object subr) |
6f0e897f DL |
782 | { |
783 | short minargs, maxargs; | |
0c64a8cd | 784 | CHECK_SUBR (subr); |
6f0e897f DL |
785 | minargs = XSUBR (subr)->min_args; |
786 | maxargs = XSUBR (subr)->max_args; | |
32e5c58c SM |
787 | return Fcons (make_number (minargs), |
788 | maxargs == MANY ? Qmany | |
789 | : maxargs == UNEVALLED ? Qunevalled | |
790 | : make_number (maxargs)); | |
6f0e897f DL |
791 | } |
792 | ||
0fddae66 SM |
793 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
794 | doc: /* Return name of subroutine SUBR. | |
795 | SUBR must be a built-in function. */) | |
5842a27b | 796 | (Lisp_Object subr) |
0fddae66 SM |
797 | { |
798 | const char *name; | |
0c64a8cd | 799 | CHECK_SUBR (subr); |
0fddae66 | 800 | name = XSUBR (subr)->symbol_name; |
f3e92b69 | 801 | return build_string (name); |
0fddae66 SM |
802 | } |
803 | ||
a7ca3326 | 804 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
6b61353c | 805 | doc: /* Return the interactive form of CMD or nil if none. |
df133612 LT |
806 | If CMD is not a command, the return value is nil. |
807 | Value, if non-nil, is a list \(interactive SPEC). */) | |
5842a27b | 808 | (Lisp_Object cmd) |
cc515226 | 809 | { |
c4f46926 | 810 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 811 | |
eadf1faa | 812 | if (NILP (fun)) |
c4f46926 SM |
813 | return Qnil; |
814 | ||
815 | /* Use an `interactive-form' property if present, analogous to the | |
32e5c58c | 816 | function-documentation property. */ |
c4f46926 SM |
817 | fun = cmd; |
818 | while (SYMBOLP (fun)) | |
819 | { | |
3860280a | 820 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
821 | if (!NILP (tmp)) |
822 | return tmp; | |
823 | else | |
824 | fun = Fsymbol_function (fun); | |
825 | } | |
6b61353c KH |
826 | |
827 | if (SUBRP (fun)) | |
828 | { | |
eec47d6b | 829 | const char *spec = XSUBR (fun)->intspec; |
8a6d230a MC |
830 | if (spec) |
831 | return list2 (Qinteractive, | |
832 | (*spec != '(') ? build_string (spec) : | |
833 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
834 | } |
835 | else if (COMPILEDP (fun)) | |
836 | { | |
837 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
838 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
839 | } | |
32e5c58c SM |
840 | else if (AUTOLOADP (fun)) |
841 | return Finteractive_form (Fautoload_do_load (fun, cmd, Qnil)); | |
6b61353c KH |
842 | else if (CONSP (fun)) |
843 | { | |
844 | Lisp_Object funcar = XCAR (fun); | |
b38b1ec0 | 845 | if (EQ (funcar, Qclosure)) |
23aba0ea SM |
846 | return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun)))); |
847 | else if (EQ (funcar, Qlambda)) | |
6b61353c | 848 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); |
6b61353c | 849 | } |
cc515226 GM |
850 | return Qnil; |
851 | } | |
852 | ||
7921925c | 853 | \f |
f35d5bad GM |
854 | /*********************************************************************** |
855 | Getting and Setting Values of Symbols | |
856 | ***********************************************************************/ | |
857 | ||
858 | /* Return the symbol holding SYMBOL's value. Signal | |
859 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
860 | indirections contains a loop. */ | |
861 | ||
ad97b375 | 862 | struct Lisp_Symbol * |
971de7fb | 863 | indirect_variable (struct Lisp_Symbol *symbol) |
f35d5bad | 864 | { |
ad97b375 | 865 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
866 | |
867 | hare = tortoise = symbol; | |
868 | ||
ce5b453a | 869 | while (hare->redirect == SYMBOL_VARALIAS) |
f35d5bad | 870 | { |
ce5b453a SM |
871 | hare = SYMBOL_ALIAS (hare); |
872 | if (hare->redirect != SYMBOL_VARALIAS) | |
f35d5bad | 873 | break; |
bfb96cb7 | 874 | |
ce5b453a SM |
875 | hare = SYMBOL_ALIAS (hare); |
876 | tortoise = SYMBOL_ALIAS (tortoise); | |
f35d5bad | 877 | |
ad97b375 SM |
878 | if (hare == tortoise) |
879 | { | |
880 | Lisp_Object tem; | |
881 | XSETSYMBOL (tem, symbol); | |
882 | xsignal1 (Qcyclic_variable_indirection, tem); | |
883 | } | |
f35d5bad GM |
884 | } |
885 | ||
886 | return hare; | |
887 | } | |
888 | ||
889 | ||
890 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 | 891 | doc: /* Return the variable at the end of OBJECT's variable chain. |
4abcdac8 CY |
892 | If OBJECT is a symbol, follow its variable indirections (if any), and |
893 | return the variable at the end of the chain of aliases. See Info node | |
894 | `(elisp)Variable Aliases'. | |
895 | ||
896 | If OBJECT is not a symbol, just return it. If there is a loop in the | |
897 | chain of aliases, signal a `cyclic-variable-indirection' error. */) | |
5842a27b | 898 | (Lisp_Object object) |
f35d5bad GM |
899 | { |
900 | if (SYMBOLP (object)) | |
946f9a5b PE |
901 | { |
902 | struct Lisp_Symbol *sym = indirect_variable (XSYMBOL (object)); | |
903 | XSETSYMBOL (object, sym); | |
904 | } | |
f35d5bad GM |
905 | return object; |
906 | } | |
907 | ||
7921925c JB |
908 | |
909 | /* Given the raw contents of a symbol value cell, | |
910 | return the Lisp value of the symbol. | |
911 | This does not handle buffer-local variables; use | |
912 | swap_in_symval_forwarding for that. */ | |
913 | ||
914 | Lisp_Object | |
971de7fb | 915 | do_symval_forwarding (register union Lisp_Fwd *valcontents) |
7921925c JB |
916 | { |
917 | register Lisp_Object val; | |
ce5b453a SM |
918 | switch (XFWDTYPE (valcontents)) |
919 | { | |
920 | case Lisp_Fwd_Int: | |
921 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
922 | return val; | |
923 | ||
924 | case Lisp_Fwd_Bool: | |
925 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
926 | ||
927 | case Lisp_Fwd_Obj: | |
928 | return *XOBJFWD (valcontents)->objvar; | |
929 | ||
930 | case Lisp_Fwd_Buffer_Obj: | |
4ce60d2e | 931 | return per_buffer_value (current_buffer, |
ce5b453a SM |
932 | XBUFFER_OBJFWD (valcontents)->offset); |
933 | ||
934 | case Lisp_Fwd_Kboard_Obj: | |
935 | /* We used to simply use current_kboard here, but from Lisp | |
a98edce9 | 936 | code, its value is often unexpected. It seems nicer to |
ce5b453a SM |
937 | allow constructions like this to work as intuitively expected: |
938 | ||
939 | (with-selected-frame frame | |
940 | (define-key local-function-map "\eOP" [f1])) | |
941 | ||
942 | On the other hand, this affects the semantics of | |
943 | last-command and real-last-command, and people may rely on | |
944 | that. I took a quick look at the Lisp codebase, and I | |
945 | don't think anything will break. --lorentey */ | |
946 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset | |
947 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
1088b922 | 948 | default: emacs_abort (); |
ce5b453a | 949 | } |
7921925c JB |
950 | } |
951 | ||
d9c2a0f2 EN |
952 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
953 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 954 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
955 | step past the buffer-localness. |
956 | ||
957 | BUF non-zero means set the value in buffer BUF instead of the | |
958 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c | 959 | |
ce5b453a | 960 | static void |
971de7fb | 961 | store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newval, struct buffer *buf) |
7921925c | 962 | { |
ce5b453a | 963 | switch (XFWDTYPE (valcontents)) |
7921925c | 964 | { |
ce5b453a SM |
965 | case Lisp_Fwd_Int: |
966 | CHECK_NUMBER (newval); | |
967 | *XINTFWD (valcontents)->intvar = XINT (newval); | |
968 | break; | |
aa3830c4 | 969 | |
ce5b453a SM |
970 | case Lisp_Fwd_Bool: |
971 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); | |
972 | break; | |
aa3830c4 | 973 | |
ce5b453a SM |
974 | case Lisp_Fwd_Obj: |
975 | *XOBJFWD (valcontents)->objvar = newval; | |
aa3830c4 | 976 | |
ce5b453a SM |
977 | /* If this variable is a default for something stored |
978 | in the buffer itself, such as default-fill-column, | |
979 | find the buffers that don't have local values for it | |
980 | and update them. */ | |
981 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
982 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
46b2ac21 | 983 | { |
ce5b453a SM |
984 | int offset = ((char *) XOBJFWD (valcontents)->objvar |
985 | - (char *) &buffer_defaults); | |
986 | int idx = PER_BUFFER_IDX (offset); | |
aa3830c4 | 987 | |
8f3a2c26 | 988 | Lisp_Object tail, buf; |
aa3830c4 | 989 | |
ce5b453a SM |
990 | if (idx <= 0) |
991 | break; | |
aa3830c4 | 992 | |
8f3a2c26 | 993 | FOR_EACH_LIVE_BUFFER (tail, buf) |
6b61353c | 994 | { |
8f3a2c26 | 995 | struct buffer *b = XBUFFER (buf); |
6b61353c | 996 | |
ce5b453a | 997 | if (! PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 998 | set_per_buffer_value (b, offset, newval); |
6b61353c | 999 | } |
ce5b453a SM |
1000 | } |
1001 | break; | |
7403b5c8 | 1002 | |
ce5b453a SM |
1003 | case Lisp_Fwd_Buffer_Obj: |
1004 | { | |
1005 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
58cc0a01 | 1006 | Lisp_Object predicate = XBUFFER_OBJFWD (valcontents)->predicate; |
ce5b453a | 1007 | |
58cc0a01 DA |
1008 | if (!NILP (predicate) && !NILP (newval) |
1009 | && NILP (call1 (predicate, newval))) | |
1010 | wrong_type_argument (predicate, newval); | |
ce5b453a SM |
1011 | |
1012 | if (buf == NULL) | |
1013 | buf = current_buffer; | |
4ce60d2e | 1014 | set_per_buffer_value (buf, offset, newval); |
ce5b453a SM |
1015 | } |
1016 | break; | |
7403b5c8 | 1017 | |
ce5b453a SM |
1018 | case Lisp_Fwd_Kboard_Obj: |
1019 | { | |
1020 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); | |
1021 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; | |
1022 | *(Lisp_Object *) p = newval; | |
1023 | } | |
7921925c JB |
1024 | break; |
1025 | ||
7921925c | 1026 | default: |
1088b922 | 1027 | emacs_abort (); /* goto def; */ |
7921925c JB |
1028 | } |
1029 | } | |
1030 | ||
d73e321c DA |
1031 | /* Set up SYMBOL to refer to its global binding. This makes it safe |
1032 | to alter the status of other bindings. BEWARE: this may be called | |
1033 | during the mark phase of GC, where we assume that Lisp_Object slots | |
1034 | of BLV are marked after this function has changed them. */ | |
b0d53add GM |
1035 | |
1036 | void | |
971de7fb | 1037 | swap_in_global_binding (struct Lisp_Symbol *symbol) |
b0d53add | 1038 | { |
ce5b453a | 1039 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (symbol); |
b0d53add GM |
1040 | |
1041 | /* Unload the previously loaded binding. */ | |
ce5b453a | 1042 | if (blv->fwd) |
a04e2c62 | 1043 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
bfb96cb7 | 1044 | |
b0d53add | 1045 | /* Select the global binding in the symbol. */ |
a04e2c62 | 1046 | set_blv_valcell (blv, blv->defcell); |
ce5b453a SM |
1047 | if (blv->fwd) |
1048 | store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL); | |
b0d53add GM |
1049 | |
1050 | /* Indicate that the global binding is set up now. */ | |
a04e2c62 DA |
1051 | set_blv_where (blv, Qnil); |
1052 | set_blv_found (blv, 0); | |
b0d53add GM |
1053 | } |
1054 | ||
2829d05f | 1055 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
1056 | VALCONTENTS is the contents of its value cell, |
1057 | which points to a struct Lisp_Buffer_Local_Value. | |
1058 | ||
1059 | Return the value forwarded one step past the buffer-local stage. | |
1060 | This could be another forwarding pointer. */ | |
7921925c | 1061 | |
ce5b453a | 1062 | static void |
971de7fb | 1063 | swap_in_symval_forwarding (struct Lisp_Symbol *symbol, struct Lisp_Buffer_Local_Value *blv) |
7921925c | 1064 | { |
7921925c | 1065 | register Lisp_Object tem1; |
bfb96cb7 | 1066 | |
ce5b453a SM |
1067 | eassert (blv == SYMBOL_BLV (symbol)); |
1068 | ||
1069 | tem1 = blv->where; | |
7921925c | 1070 | |
42e975f0 | 1071 | if (NILP (tem1) |
ce5b453a SM |
1072 | || (blv->frame_local |
1073 | ? !EQ (selected_frame, tem1) | |
1074 | : current_buffer != XBUFFER (tem1))) | |
7921925c | 1075 | { |
bfb96cb7 | 1076 | |
42e975f0 | 1077 | /* Unload the previously loaded binding. */ |
ce5b453a SM |
1078 | tem1 = blv->valcell; |
1079 | if (blv->fwd) | |
a04e2c62 | 1080 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
42e975f0 | 1081 | /* Choose the new binding. */ |
ce5b453a SM |
1082 | { |
1083 | Lisp_Object var; | |
1084 | XSETSYMBOL (var, symbol); | |
1085 | if (blv->frame_local) | |
1086 | { | |
e69b0960 | 1087 | tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist); |
a04e2c62 | 1088 | set_blv_where (blv, selected_frame); |
ce5b453a SM |
1089 | } |
1090 | else | |
1091 | { | |
4b4deea2 | 1092 | tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist)); |
d73e321c | 1093 | set_blv_where (blv, Fcurrent_buffer ()); |
ce5b453a SM |
1094 | } |
1095 | } | |
1096 | if (!(blv->found = !NILP (tem1))) | |
1097 | tem1 = blv->defcell; | |
b0c2d1c6 | 1098 | |
42e975f0 | 1099 | /* Load the new binding. */ |
a04e2c62 | 1100 | set_blv_valcell (blv, tem1); |
ce5b453a | 1101 | if (blv->fwd) |
a04e2c62 | 1102 | store_symval_forwarding (blv->fwd, blv_value (blv), NULL); |
7921925c | 1103 | } |
7921925c JB |
1104 | } |
1105 | \f | |
14e76af9 JB |
1106 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1107 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1108 | if it has one, without signaling an error. |
14e76af9 JB |
1109 | Note that it must not be possible to quit |
1110 | within this function. Great care is required for this. */ | |
7921925c | 1111 | |
14e76af9 | 1112 | Lisp_Object |
971de7fb | 1113 | find_symbol_value (Lisp_Object symbol) |
7921925c | 1114 | { |
ce5b453a | 1115 | struct Lisp_Symbol *sym; |
bfb96cb7 | 1116 | |
b7826503 | 1117 | CHECK_SYMBOL (symbol); |
ce5b453a | 1118 | sym = XSYMBOL (symbol); |
7921925c | 1119 | |
ce5b453a SM |
1120 | start: |
1121 | switch (sym->redirect) | |
1122 | { | |
1123 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1124 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1125 | case SYMBOL_LOCALIZED: | |
1126 | { | |
1127 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1128 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 1129 | return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv); |
ce5b453a SM |
1130 | } |
1131 | /* FALLTHROUGH */ | |
1132 | case SYMBOL_FORWARDED: | |
1133 | return do_symval_forwarding (SYMBOL_FWD (sym)); | |
1088b922 | 1134 | default: emacs_abort (); |
ce5b453a | 1135 | } |
7921925c JB |
1136 | } |
1137 | ||
a7ca3326 | 1138 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
14d27346 GM |
1139 | doc: /* Return SYMBOL's value. Error if that is void. |
1140 | Note that if `lexical-binding' is in effect, this returns the | |
1141 | global value outside of any lexical scope. */) | |
5842a27b | 1142 | (Lisp_Object symbol) |
14e76af9 | 1143 | { |
0671d7c0 | 1144 | Lisp_Object val; |
14e76af9 | 1145 | |
d9c2a0f2 | 1146 | val = find_symbol_value (symbol); |
740ef0b5 | 1147 | if (!EQ (val, Qunbound)) |
14e76af9 | 1148 | return val; |
740ef0b5 KS |
1149 | |
1150 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1151 | } |
1152 | ||
a7ca3326 | 1153 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 | 1154 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
5842a27b | 1155 | (register Lisp_Object symbol, Lisp_Object newval) |
05ef7169 | 1156 | { |
94b612ad | 1157 | set_internal (symbol, newval, Qnil, 0); |
ce5b453a | 1158 | return newval; |
05ef7169 RS |
1159 | } |
1160 | ||
25638b07 | 1161 | /* Store the value NEWVAL into SYMBOL. |
94b612ad SM |
1162 | If buffer/frame-locality is an issue, WHERE specifies which context to use. |
1163 | (nil stands for the current buffer/frame). | |
2829d05f | 1164 | |
de1339b0 | 1165 | If BINDFLAG is false, then if this symbol is supposed to become |
05ef7169 | 1166 | local in every buffer where it is set, then we make it local. |
de1339b0 | 1167 | If BINDFLAG is true, we don't do that. */ |
05ef7169 | 1168 | |
ce5b453a | 1169 | void |
de1339b0 PE |
1170 | set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where, |
1171 | bool bindflag) | |
7921925c | 1172 | { |
de1339b0 | 1173 | bool voide = EQ (newval, Qunbound); |
ce5b453a SM |
1174 | struct Lisp_Symbol *sym; |
1175 | Lisp_Object tem1; | |
7921925c | 1176 | |
2829d05f | 1177 | /* If restoring in a dead buffer, do nothing. */ |
94b612ad SM |
1178 | /* if (BUFFERP (where) && NILP (XBUFFER (where)->name)) |
1179 | return; */ | |
2829d05f | 1180 | |
b7826503 | 1181 | CHECK_SYMBOL (symbol); |
ce5b453a | 1182 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1183 | { |
ce5b453a SM |
1184 | if (NILP (Fkeywordp (symbol)) |
1185 | || !EQ (newval, Fsymbol_value (symbol))) | |
1186 | xsignal1 (Qsetting_constant, symbol); | |
1187 | else | |
1188 | /* Allow setting keywords to their own value. */ | |
1189 | return; | |
7921925c | 1190 | } |
42e975f0 | 1191 | |
ce5b453a | 1192 | sym = XSYMBOL (symbol); |
7921925c | 1193 | |
ce5b453a SM |
1194 | start: |
1195 | switch (sym->redirect) | |
1196 | { | |
1197 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1198 | case SYMBOL_PLAINVAL: SET_SYMBOL_VAL (sym , newval); return; | |
1199 | case SYMBOL_LOCALIZED: | |
1200 | { | |
1201 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
94b612ad SM |
1202 | if (NILP (where)) |
1203 | { | |
1204 | if (blv->frame_local) | |
1205 | where = selected_frame; | |
1206 | else | |
1207 | XSETBUFFER (where, current_buffer); | |
1208 | } | |
ce5b453a SM |
1209 | /* If the current buffer is not the buffer whose binding is |
1210 | loaded, or if there may be frame-local bindings and the frame | |
1211 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1212 | the default binding is loaded, the loaded binding may be the | |
1213 | wrong one. */ | |
94b612ad | 1214 | if (!EQ (blv->where, where) |
bfeae2cf | 1215 | /* Also unload a global binding (if the var is local_if_set). */ |
ce5b453a SM |
1216 | || (EQ (blv->valcell, blv->defcell))) |
1217 | { | |
1218 | /* The currently loaded binding is not necessarily valid. | |
1219 | We need to unload it, and choose a new binding. */ | |
1220 | ||
1221 | /* Write out `realvalue' to the old loaded binding. */ | |
1222 | if (blv->fwd) | |
a04e2c62 | 1223 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
b0c2d1c6 | 1224 | |
ce5b453a | 1225 | /* Find the new binding. */ |
94b612ad SM |
1226 | XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */ |
1227 | tem1 = Fassq (symbol, | |
1228 | (blv->frame_local | |
e69b0960 | 1229 | ? XFRAME (where)->param_alist |
4b4deea2 | 1230 | : BVAR (XBUFFER (where), local_var_alist))); |
a04e2c62 | 1231 | set_blv_where (blv, where); |
9e677988 | 1232 | blv->found = 1; |
ce5b453a SM |
1233 | |
1234 | if (NILP (tem1)) | |
1235 | { | |
1236 | /* This buffer still sees the default value. */ | |
1237 | ||
1238 | /* If the variable is a Lisp_Some_Buffer_Local_Value, | |
1239 | or if this is `let' rather than `set', | |
1240 | make CURRENT-ALIST-ELEMENT point to itself, | |
1241 | indicating that we're seeing the default value. | |
1242 | Likewise if the variable has been let-bound | |
1243 | in the current buffer. */ | |
1244 | if (bindflag || !blv->local_if_set | |
1245 | || let_shadows_buffer_binding_p (sym)) | |
1246 | { | |
9e677988 | 1247 | blv->found = 0; |
ce5b453a SM |
1248 | tem1 = blv->defcell; |
1249 | } | |
1250 | /* If it's a local_if_set, being set not bound, | |
1251 | and we're not within a let that was made for this buffer, | |
1252 | create a new buffer-local binding for the variable. | |
1253 | That means, give this buffer a new assoc for a local value | |
1254 | and load that binding. */ | |
1255 | else | |
1256 | { | |
1257 | /* local_if_set is only supported for buffer-local | |
1258 | bindings, not for frame-local bindings. */ | |
1259 | eassert (!blv->frame_local); | |
1260 | tem1 = Fcons (symbol, XCDR (blv->defcell)); | |
39eb03f1 PE |
1261 | bset_local_var_alist |
1262 | (XBUFFER (where), | |
1263 | Fcons (tem1, BVAR (XBUFFER (where), local_var_alist))); | |
ce5b453a SM |
1264 | } |
1265 | } | |
1266 | ||
1267 | /* Record which binding is now loaded. */ | |
a04e2c62 | 1268 | set_blv_valcell (blv, tem1); |
ce5b453a | 1269 | } |
b0c2d1c6 | 1270 | |
ce5b453a | 1271 | /* Store the new value in the cons cell. */ |
a04e2c62 | 1272 | set_blv_value (blv, newval); |
d8cafeb5 | 1273 | |
ce5b453a SM |
1274 | if (blv->fwd) |
1275 | { | |
1276 | if (voide) | |
1277 | /* If storing void (making the symbol void), forward only through | |
1278 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1279 | blv->fwd = NULL; | |
1280 | else | |
94b612ad SM |
1281 | store_symval_forwarding (blv->fwd, newval, |
1282 | BUFFERP (where) | |
1283 | ? XBUFFER (where) : current_buffer); | |
ce5b453a SM |
1284 | } |
1285 | break; | |
1286 | } | |
1287 | case SYMBOL_FORWARDED: | |
1288 | { | |
94b612ad SM |
1289 | struct buffer *buf |
1290 | = BUFFERP (where) ? XBUFFER (where) : current_buffer; | |
ce5b453a SM |
1291 | union Lisp_Fwd *innercontents = SYMBOL_FWD (sym); |
1292 | if (BUFFER_OBJFWDP (innercontents)) | |
1293 | { | |
1294 | int offset = XBUFFER_OBJFWD (innercontents)->offset; | |
1295 | int idx = PER_BUFFER_IDX (offset); | |
1296 | if (idx > 0 | |
1297 | && !bindflag | |
1298 | && !let_shadows_buffer_binding_p (sym)) | |
1299 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); | |
1300 | } | |
569c11e3 | 1301 | |
ce5b453a SM |
1302 | if (voide) |
1303 | { /* If storing void (making the symbol void), forward only through | |
1304 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1305 | sym->redirect = SYMBOL_PLAINVAL; | |
1306 | SET_SYMBOL_VAL (sym, newval); | |
1307 | } | |
1308 | else | |
1309 | store_symval_forwarding (/* sym, */ innercontents, newval, buf); | |
1310 | break; | |
1311 | } | |
1088b922 | 1312 | default: emacs_abort (); |
7921925c | 1313 | } |
ce5b453a | 1314 | return; |
7921925c JB |
1315 | } |
1316 | \f | |
1317 | /* Access or set a buffer-local symbol's default value. */ | |
1318 | ||
d9c2a0f2 | 1319 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1320 | Return Qunbound if it is void. */ |
7921925c | 1321 | |
112396d6 | 1322 | static Lisp_Object |
971de7fb | 1323 | default_value (Lisp_Object symbol) |
7921925c | 1324 | { |
ce5b453a | 1325 | struct Lisp_Symbol *sym; |
7921925c | 1326 | |
b7826503 | 1327 | CHECK_SYMBOL (symbol); |
ce5b453a | 1328 | sym = XSYMBOL (symbol); |
7921925c | 1329 | |
ce5b453a SM |
1330 | start: |
1331 | switch (sym->redirect) | |
7921925c | 1332 | { |
ce5b453a SM |
1333 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1334 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1335 | case SYMBOL_LOCALIZED: | |
1336 | { | |
1337 | /* If var is set up for a buffer that lacks a local value for it, | |
1338 | the current value is nominally the default value. | |
1339 | But the `realvalue' slot may be more up to date, since | |
1340 | ordinary setq stores just that slot. So use that. */ | |
1341 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1342 | if (blv->fwd && EQ (blv->valcell, blv->defcell)) | |
1343 | return do_symval_forwarding (blv->fwd); | |
1344 | else | |
1345 | return XCDR (blv->defcell); | |
1346 | } | |
1347 | case SYMBOL_FORWARDED: | |
1348 | { | |
1349 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1350 | |
ce5b453a SM |
1351 | /* For a built-in buffer-local variable, get the default value |
1352 | rather than letting do_symval_forwarding get the current value. */ | |
1353 | if (BUFFER_OBJFWDP (valcontents)) | |
1354 | { | |
1355 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1356 | if (PER_BUFFER_IDX (offset) != 0) | |
4ce60d2e | 1357 | return per_buffer_default (offset); |
ce5b453a SM |
1358 | } |
1359 | ||
1360 | /* For other variables, get the current value. */ | |
1361 | return do_symval_forwarding (valcontents); | |
1362 | } | |
1088b922 | 1363 | default: emacs_abort (); |
7921925c | 1364 | } |
7921925c JB |
1365 | } |
1366 | ||
a7ca3326 | 1367 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, |
8c1a1077 PJ |
1368 | doc: /* Return t if SYMBOL has a non-void default value. |
1369 | This is the value that is seen in buffers that do not have their own values | |
1370 | for this variable. */) | |
5842a27b | 1371 | (Lisp_Object symbol) |
7921925c JB |
1372 | { |
1373 | register Lisp_Object value; | |
1374 | ||
d9c2a0f2 | 1375 | value = default_value (symbol); |
1bfcade3 | 1376 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1377 | } |
1378 | ||
a7ca3326 | 1379 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, |
8c1a1077 PJ |
1380 | doc: /* Return SYMBOL's default value. |
1381 | This is the value that is seen in buffers that do not have their own values | |
1382 | for this variable. The default value is meaningful for variables with | |
1383 | local bindings in certain buffers. */) | |
5842a27b | 1384 | (Lisp_Object symbol) |
7921925c | 1385 | { |
a104f656 | 1386 | Lisp_Object value = default_value (symbol); |
740ef0b5 KS |
1387 | if (!EQ (value, Qunbound)) |
1388 | return value; | |
1389 | ||
1390 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1391 | } |
1392 | ||
a7ca3326 | 1393 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, |
6e86a75d | 1394 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1395 | The default value is seen in buffers that do not have their own values |
1396 | for this variable. */) | |
5842a27b | 1397 | (Lisp_Object symbol, Lisp_Object value) |
7921925c | 1398 | { |
ce5b453a | 1399 | struct Lisp_Symbol *sym; |
7921925c | 1400 | |
b7826503 | 1401 | CHECK_SYMBOL (symbol); |
ce5b453a | 1402 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1403 | { |
ce5b453a SM |
1404 | if (NILP (Fkeywordp (symbol)) |
1405 | || !EQ (value, Fdefault_value (symbol))) | |
1406 | xsignal1 (Qsetting_constant, symbol); | |
1407 | else | |
1408 | /* Allow setting keywords to their own value. */ | |
1409 | return value; | |
1410 | } | |
1411 | sym = XSYMBOL (symbol); | |
7921925c | 1412 | |
ce5b453a SM |
1413 | start: |
1414 | switch (sym->redirect) | |
1415 | { | |
1416 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1417 | case SYMBOL_PLAINVAL: return Fset (symbol, value); | |
1418 | case SYMBOL_LOCALIZED: | |
1419 | { | |
1420 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
984ef137 | 1421 | |
ce5b453a SM |
1422 | /* Store new value into the DEFAULT-VALUE slot. */ |
1423 | XSETCDR (blv->defcell, value); | |
bfb96cb7 | 1424 | |
ce5b453a SM |
1425 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
1426 | if (blv->fwd && EQ (blv->defcell, blv->valcell)) | |
1427 | store_symval_forwarding (blv->fwd, value, NULL); | |
1428 | return value; | |
1429 | } | |
1430 | case SYMBOL_FORWARDED: | |
1431 | { | |
1432 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1433 | |
ce5b453a SM |
1434 | /* Handle variables like case-fold-search that have special slots |
1435 | in the buffer. | |
1436 | Make them work apparently like Lisp_Buffer_Local_Value variables. */ | |
1437 | if (BUFFER_OBJFWDP (valcontents)) | |
1438 | { | |
1439 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1440 | int idx = PER_BUFFER_IDX (offset); | |
7921925c | 1441 | |
4ce60d2e | 1442 | set_per_buffer_default (offset, value); |
7921925c | 1443 | |
ce5b453a SM |
1444 | /* If this variable is not always local in all buffers, |
1445 | set it in the buffers that don't nominally have a local value. */ | |
1446 | if (idx > 0) | |
1447 | { | |
1448 | struct buffer *b; | |
7921925c | 1449 | |
52b852c7 | 1450 | FOR_EACH_BUFFER (b) |
ce5b453a | 1451 | if (!PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1452 | set_per_buffer_value (b, offset, value); |
ce5b453a SM |
1453 | } |
1454 | return value; | |
1455 | } | |
1456 | else | |
1457 | return Fset (symbol, value); | |
1458 | } | |
1088b922 | 1459 | default: emacs_abort (); |
ce5b453a | 1460 | } |
7921925c JB |
1461 | } |
1462 | ||
7a7df7ac | 1463 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1464 | doc: /* Set the default value of variable VAR to VALUE. |
1465 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1466 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1467 | The default value of a variable is seen in buffers |
1468 | that do not have their own values for the variable. | |
1469 | ||
1470 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1471 | (setq-default VAR VALUE VAR VALUE...) |
1472 | This sets each VAR's default value to the corresponding VALUE. | |
1473 | The VALUE for the Nth VAR can refer to the new default values | |
1474 | of previous VARs. | |
70e9f399 | 1475 | usage: (setq-default [VAR VALUE]...) */) |
5842a27b | 1476 | (Lisp_Object args) |
7921925c | 1477 | { |
16b0520a | 1478 | Lisp_Object args_left, symbol, val; |
7921925c JB |
1479 | struct gcpro gcpro1; |
1480 | ||
16b0520a | 1481 | args_left = val = args; |
7921925c JB |
1482 | GCPRO1 (args); |
1483 | ||
16b0520a | 1484 | while (CONSP (args_left)) |
7921925c | 1485 | { |
16b0520a | 1486 | val = eval_sub (Fcar (XCDR (args_left))); |
d2fde41d | 1487 | symbol = XCAR (args_left); |
d9c2a0f2 | 1488 | Fset_default (symbol, val); |
d2fde41d | 1489 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1490 | } |
7921925c JB |
1491 | |
1492 | UNGCPRO; | |
1493 | return val; | |
1494 | } | |
1495 | \f | |
a5ca2b75 JB |
1496 | /* Lisp functions for creating and removing buffer-local variables. */ |
1497 | ||
ce5b453a SM |
1498 | union Lisp_Val_Fwd |
1499 | { | |
1500 | Lisp_Object value; | |
1501 | union Lisp_Fwd *fwd; | |
1502 | }; | |
1503 | ||
1504 | static struct Lisp_Buffer_Local_Value * | |
de1339b0 PE |
1505 | make_blv (struct Lisp_Symbol *sym, bool forwarded, |
1506 | union Lisp_Val_Fwd valcontents) | |
ce5b453a | 1507 | { |
38182d90 | 1508 | struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv); |
c632dfda JD |
1509 | Lisp_Object symbol; |
1510 | Lisp_Object tem; | |
1511 | ||
1512 | XSETSYMBOL (symbol, sym); | |
1513 | tem = Fcons (symbol, (forwarded | |
1514 | ? do_symval_forwarding (valcontents.fwd) | |
1515 | : valcontents.value)); | |
1516 | ||
ce5b453a SM |
1517 | /* Buffer_Local_Values cannot have as realval a buffer-local |
1518 | or keyboard-local forwarding. */ | |
1519 | eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd))); | |
1520 | eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd))); | |
1521 | blv->fwd = forwarded ? valcontents.fwd : NULL; | |
a04e2c62 | 1522 | set_blv_where (blv, Qnil); |
ce5b453a SM |
1523 | blv->frame_local = 0; |
1524 | blv->local_if_set = 0; | |
a04e2c62 DA |
1525 | set_blv_defcell (blv, tem); |
1526 | set_blv_valcell (blv, tem); | |
1527 | set_blv_found (blv, 0); | |
ce5b453a SM |
1528 | return blv; |
1529 | } | |
1530 | ||
a7ca3326 | 1531 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, |
16a97296 | 1532 | Smake_variable_buffer_local, 1, 1, "vMake Variable Buffer Local: ", |
8c1a1077 PJ |
1533 | doc: /* Make VARIABLE become buffer-local whenever it is set. |
1534 | At any time, the value for the current buffer is in effect, | |
1535 | unless the variable has never been set in this buffer, | |
1536 | in which case the default value is in effect. | |
1537 | Note that binding the variable with `let', or setting it while | |
1538 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1539 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1540 | |
a9908653 RS |
1541 | In most cases it is better to use `make-local-variable', |
1542 | which makes a variable local in just one buffer. | |
1543 | ||
8c1a1077 | 1544 | The function `default-value' gets the default value and `set-default' sets it. */) |
5842a27b | 1545 | (register Lisp_Object variable) |
7921925c | 1546 | { |
ad97b375 | 1547 | struct Lisp_Symbol *sym; |
ce5b453a | 1548 | struct Lisp_Buffer_Local_Value *blv = NULL; |
bfe3e0a2 | 1549 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
de1339b0 | 1550 | bool forwarded IF_LINT (= 0); |
7921925c | 1551 | |
b7826503 | 1552 | CHECK_SYMBOL (variable); |
ce5b453a | 1553 | sym = XSYMBOL (variable); |
7921925c | 1554 | |
ce5b453a SM |
1555 | start: |
1556 | switch (sym->redirect) | |
fd9440c5 | 1557 | { |
ce5b453a SM |
1558 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1559 | case SYMBOL_PLAINVAL: | |
1560 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1561 | if (EQ (valcontents.value, Qunbound)) | |
1562 | valcontents.value = Qnil; | |
1563 | break; | |
1564 | case SYMBOL_LOCALIZED: | |
1565 | blv = SYMBOL_BLV (sym); | |
1566 | if (blv->frame_local) | |
1567 | error ("Symbol %s may not be buffer-local", | |
1568 | SDATA (SYMBOL_NAME (variable))); | |
1569 | break; | |
1570 | case SYMBOL_FORWARDED: | |
1571 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1572 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1573 | error ("Symbol %s may not be buffer-local", | |
1574 | SDATA (SYMBOL_NAME (variable))); | |
1575 | else if (BUFFER_OBJFWDP (valcontents.fwd)) | |
1576 | return variable; | |
1577 | break; | |
1088b922 | 1578 | default: emacs_abort (); |
fd9440c5 | 1579 | } |
ce5b453a SM |
1580 | |
1581 | if (sym->constant) | |
1582 | error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable))); | |
1583 | ||
1584 | if (!blv) | |
7921925c | 1585 | { |
ce5b453a SM |
1586 | blv = make_blv (sym, forwarded, valcontents); |
1587 | sym->redirect = SYMBOL_LOCALIZED; | |
1588 | SET_SYMBOL_BLV (sym, blv); | |
1589 | { | |
1590 | Lisp_Object symbol; | |
1591 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1592 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1593 | message ("Making %s buffer-local while let-bound!", |
1594 | SDATA (SYMBOL_NAME (variable))); | |
ce5b453a | 1595 | } |
7921925c | 1596 | } |
ce5b453a SM |
1597 | |
1598 | blv->local_if_set = 1; | |
d9c2a0f2 | 1599 | return variable; |
7921925c JB |
1600 | } |
1601 | ||
a7ca3326 | 1602 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, |
8c1a1077 PJ |
1603 | 1, 1, "vMake Local Variable: ", |
1604 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1605 | Other buffers will continue to share a common default value. | |
1606 | \(The buffer-local value of VARIABLE starts out as the same value | |
1607 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1608 | Return VARIABLE. |
8c1a1077 PJ |
1609 | |
1610 | If the variable is already arranged to become local when set, | |
1611 | this function causes a local value to exist for this buffer, | |
1612 | just as setting the variable would do. | |
1613 | ||
1614 | This function returns VARIABLE, and therefore | |
1615 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1616 | works. | |
1617 | ||
a9908653 RS |
1618 | See also `make-variable-buffer-local'. |
1619 | ||
8c1a1077 | 1620 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1621 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
de1339b0 | 1622 | (Lisp_Object variable) |
7921925c | 1623 | { |
de1339b0 PE |
1624 | Lisp_Object tem; |
1625 | bool forwarded IF_LINT (= 0); | |
bfe3e0a2 | 1626 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
ad97b375 | 1627 | struct Lisp_Symbol *sym; |
ce5b453a | 1628 | struct Lisp_Buffer_Local_Value *blv = NULL; |
7921925c | 1629 | |
b7826503 | 1630 | CHECK_SYMBOL (variable); |
ce5b453a | 1631 | sym = XSYMBOL (variable); |
7921925c | 1632 | |
ce5b453a SM |
1633 | start: |
1634 | switch (sym->redirect) | |
1635 | { | |
1636 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1637 | case SYMBOL_PLAINVAL: | |
1638 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); break; | |
1639 | case SYMBOL_LOCALIZED: | |
1640 | blv = SYMBOL_BLV (sym); | |
1641 | if (blv->frame_local) | |
1642 | error ("Symbol %s may not be buffer-local", | |
1643 | SDATA (SYMBOL_NAME (variable))); | |
1644 | break; | |
1645 | case SYMBOL_FORWARDED: | |
1646 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1647 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1648 | error ("Symbol %s may not be buffer-local", | |
1649 | SDATA (SYMBOL_NAME (variable))); | |
1650 | break; | |
1088b922 | 1651 | default: emacs_abort (); |
ce5b453a SM |
1652 | } |
1653 | ||
1654 | if (sym->constant) | |
8b1e1112 SM |
1655 | error ("Symbol %s may not be buffer-local", |
1656 | SDATA (SYMBOL_NAME (variable))); | |
7921925c | 1657 | |
ce5b453a SM |
1658 | if (blv ? blv->local_if_set |
1659 | : (forwarded && BUFFER_OBJFWDP (valcontents.fwd))) | |
7921925c | 1660 | { |
d9c2a0f2 | 1661 | tem = Fboundp (variable); |
7921925c JB |
1662 | /* Make sure the symbol has a local value in this particular buffer, |
1663 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1664 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1665 | return variable; | |
7921925c | 1666 | } |
ce5b453a | 1667 | if (!blv) |
7921925c | 1668 | { |
ce5b453a SM |
1669 | blv = make_blv (sym, forwarded, valcontents); |
1670 | sym->redirect = SYMBOL_LOCALIZED; | |
1671 | SET_SYMBOL_BLV (sym, blv); | |
1672 | { | |
1673 | Lisp_Object symbol; | |
1674 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1675 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1676 | message ("Making %s local to %s while let-bound!", |
1677 | SDATA (SYMBOL_NAME (variable)), | |
4b4deea2 | 1678 | SDATA (BVAR (current_buffer, name))); |
ce5b453a | 1679 | } |
7921925c | 1680 | } |
ce5b453a | 1681 | |
42e975f0 | 1682 | /* Make sure this buffer has its own value of symbol. */ |
ce5b453a | 1683 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
4b4deea2 | 1684 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1685 | if (NILP (tem)) |
7921925c | 1686 | { |
ce5b453a SM |
1687 | if (let_shadows_buffer_binding_p (sym)) |
1688 | message ("Making %s buffer-local while locally let-bound!", | |
1689 | SDATA (SYMBOL_NAME (variable))); | |
1690 | ||
a5d004a1 RS |
1691 | /* Swap out any local binding for some other buffer, and make |
1692 | sure the current value is permanently recorded, if it's the | |
1693 | default value. */ | |
d9c2a0f2 | 1694 | find_symbol_value (variable); |
a5d004a1 | 1695 | |
39eb03f1 PE |
1696 | bset_local_var_alist |
1697 | (current_buffer, | |
1698 | Fcons (Fcons (variable, XCDR (blv->defcell)), | |
1699 | BVAR (current_buffer, local_var_alist))); | |
7921925c JB |
1700 | |
1701 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1702 | force it to look once again for this buffer's value. */ |
ce5b453a | 1703 | if (current_buffer == XBUFFER (blv->where)) |
a04e2c62 DA |
1704 | set_blv_where (blv, Qnil); |
1705 | set_blv_found (blv, 0); | |
7921925c | 1706 | } |
a5ca2b75 | 1707 | |
42e975f0 RS |
1708 | /* If the symbol forwards into a C variable, then load the binding |
1709 | for this buffer now. If C code modifies the variable before we | |
1710 | load the binding in, then that new value will clobber the default | |
1711 | binding the next time we unload it. */ | |
ce5b453a SM |
1712 | if (blv->fwd) |
1713 | swap_in_symval_forwarding (sym, blv); | |
a5ca2b75 | 1714 | |
d9c2a0f2 | 1715 | return variable; |
7921925c JB |
1716 | } |
1717 | ||
1718 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1719 | 1, 1, "vKill Local Variable: ", |
1720 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1721 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
5842a27b | 1722 | (register Lisp_Object variable) |
7921925c | 1723 | { |
ce5b453a SM |
1724 | register Lisp_Object tem; |
1725 | struct Lisp_Buffer_Local_Value *blv; | |
ad97b375 | 1726 | struct Lisp_Symbol *sym; |
7921925c | 1727 | |
b7826503 | 1728 | CHECK_SYMBOL (variable); |
ce5b453a | 1729 | sym = XSYMBOL (variable); |
7921925c | 1730 | |
ce5b453a SM |
1731 | start: |
1732 | switch (sym->redirect) | |
7921925c | 1733 | { |
ce5b453a SM |
1734 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1735 | case SYMBOL_PLAINVAL: return variable; | |
1736 | case SYMBOL_FORWARDED: | |
1737 | { | |
1738 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1739 | if (BUFFER_OBJFWDP (valcontents)) | |
1740 | { | |
1741 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1742 | int idx = PER_BUFFER_IDX (offset); | |
1743 | ||
1744 | if (idx > 0) | |
1745 | { | |
1746 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); | |
4ce60d2e DA |
1747 | set_per_buffer_value (current_buffer, offset, |
1748 | per_buffer_default (offset)); | |
ce5b453a SM |
1749 | } |
1750 | } | |
1751 | return variable; | |
1752 | } | |
1753 | case SYMBOL_LOCALIZED: | |
1754 | blv = SYMBOL_BLV (sym); | |
1755 | if (blv->frame_local) | |
1756 | return variable; | |
1757 | break; | |
1088b922 | 1758 | default: emacs_abort (); |
7921925c JB |
1759 | } |
1760 | ||
42e975f0 | 1761 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1762 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
4b4deea2 | 1763 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1764 | if (!NILP (tem)) |
39eb03f1 PE |
1765 | bset_local_var_alist |
1766 | (current_buffer, | |
1767 | Fdelq (tem, BVAR (current_buffer, local_var_alist))); | |
7921925c | 1768 | |
42e975f0 RS |
1769 | /* If the symbol is set up with the current buffer's binding |
1770 | loaded, recompute its value. We have to do it now, or else | |
1771 | forwarded objects won't work right. */ | |
7921925c | 1772 | { |
ce5b453a SM |
1773 | Lisp_Object buf; XSETBUFFER (buf, current_buffer); |
1774 | if (EQ (buf, blv->where)) | |
79c83e03 | 1775 | { |
a04e2c62 | 1776 | set_blv_where (blv, Qnil); |
9e677988 | 1777 | blv->found = 0; |
978dd578 | 1778 | find_symbol_value (variable); |
79c83e03 | 1779 | } |
7921925c JB |
1780 | } |
1781 | ||
d9c2a0f2 | 1782 | return variable; |
7921925c | 1783 | } |
62476adc | 1784 | |
b0c2d1c6 RS |
1785 | /* Lisp functions for creating and removing buffer-local variables. */ |
1786 | ||
ab795c65 GM |
1787 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1788 | when/if this is removed. */ | |
1789 | ||
b0c2d1c6 | 1790 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1791 | 1, 1, "vMake Variable Frame Local: ", |
1792 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1793 | This does not create any frame-local bindings for VARIABLE, |
1794 | it just makes them possible. | |
1795 | ||
1796 | A frame-local binding is actually a frame parameter value. | |
1797 | If a frame F has a value for the frame parameter named VARIABLE, | |
1798 | that also acts as a frame-local binding for VARIABLE in F-- | |
1799 | provided this function has been called to enable VARIABLE | |
1800 | to have frame-local bindings at all. | |
1801 | ||
1802 | The only way to create a frame-local binding for VARIABLE in a frame | |
1803 | is to set the VARIABLE frame parameter of that frame. See | |
1804 | `modify-frame-parameters' for how to set frame parameters. | |
1805 | ||
a02a1384 GM |
1806 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1807 | frame-local any more (buffer-local bindings used to take precedence over | |
1808 | frame-local bindings). */) | |
de1339b0 | 1809 | (Lisp_Object variable) |
b0c2d1c6 | 1810 | { |
de1339b0 | 1811 | bool forwarded; |
ce5b453a | 1812 | union Lisp_Val_Fwd valcontents; |
ad97b375 | 1813 | struct Lisp_Symbol *sym; |
ce5b453a | 1814 | struct Lisp_Buffer_Local_Value *blv = NULL; |
b0c2d1c6 | 1815 | |
b7826503 | 1816 | CHECK_SYMBOL (variable); |
ce5b453a | 1817 | sym = XSYMBOL (variable); |
b0c2d1c6 | 1818 | |
ce5b453a SM |
1819 | start: |
1820 | switch (sym->redirect) | |
42e975f0 | 1821 | { |
ce5b453a SM |
1822 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1823 | case SYMBOL_PLAINVAL: | |
1824 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1825 | if (EQ (valcontents.value, Qunbound)) | |
1826 | valcontents.value = Qnil; | |
1827 | break; | |
1828 | case SYMBOL_LOCALIZED: | |
1829 | if (SYMBOL_BLV (sym)->frame_local) | |
1830 | return variable; | |
1831 | else | |
1832 | error ("Symbol %s may not be frame-local", | |
1833 | SDATA (SYMBOL_NAME (variable))); | |
1834 | case SYMBOL_FORWARDED: | |
1835 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1836 | if (KBOARD_OBJFWDP (valcontents.fwd) || BUFFER_OBJFWDP (valcontents.fwd)) | |
1837 | error ("Symbol %s may not be frame-local", | |
1838 | SDATA (SYMBOL_NAME (variable))); | |
1839 | break; | |
1088b922 | 1840 | default: emacs_abort (); |
42e975f0 | 1841 | } |
b0c2d1c6 | 1842 | |
ce5b453a SM |
1843 | if (sym->constant) |
1844 | error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable))); | |
1845 | ||
1846 | blv = make_blv (sym, forwarded, valcontents); | |
1847 | blv->frame_local = 1; | |
1848 | sym->redirect = SYMBOL_LOCALIZED; | |
1849 | SET_SYMBOL_BLV (sym, blv); | |
8b1e1112 SM |
1850 | { |
1851 | Lisp_Object symbol; | |
1852 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1853 | if (let_shadows_global_binding_p (symbol)) | |
1854 | message ("Making %s frame-local while let-bound!", | |
1855 | SDATA (SYMBOL_NAME (variable))); | |
1856 | } | |
b0c2d1c6 RS |
1857 | return variable; |
1858 | } | |
1859 | ||
a7ca3326 | 1860 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1861 | 1, 2, 0, |
1862 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1863 | BUFFER defaults to the current buffer. */) | |
5842a27b | 1864 | (register Lisp_Object variable, Lisp_Object buffer) |
62476adc | 1865 | { |
c48ead86 | 1866 | register struct buffer *buf; |
ad97b375 | 1867 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1868 | |
1869 | if (NILP (buffer)) | |
1870 | buf = current_buffer; | |
1871 | else | |
1872 | { | |
b7826503 | 1873 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1874 | buf = XBUFFER (buffer); |
1875 | } | |
62476adc | 1876 | |
b7826503 | 1877 | CHECK_SYMBOL (variable); |
ce5b453a | 1878 | sym = XSYMBOL (variable); |
be95bee9 | 1879 | |
ce5b453a SM |
1880 | start: |
1881 | switch (sym->redirect) | |
c48ead86 | 1882 | { |
ce5b453a SM |
1883 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1884 | case SYMBOL_PLAINVAL: return Qnil; | |
1885 | case SYMBOL_LOCALIZED: | |
1886 | { | |
1887 | Lisp_Object tail, elt, tmp; | |
1888 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1889 | XSETBUFFER (tmp, buf); | |
8d1d9587 | 1890 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
aa3830c4 | 1891 | |
2f592f95 SM |
1892 | if (EQ (blv->where, tmp)) /* The binding is already loaded. */ |
1893 | return blv_found (blv) ? Qt : Qnil; | |
1894 | else | |
1895 | for (tail = BVAR (buf, local_var_alist); CONSP (tail); tail = XCDR (tail)) | |
1896 | { | |
1897 | elt = XCAR (tail); | |
1898 | if (EQ (variable, XCAR (elt))) | |
1899 | { | |
1900 | eassert (!blv->frame_local); | |
1901 | return Qt; | |
1902 | } | |
1903 | } | |
ce5b453a SM |
1904 | return Qnil; |
1905 | } | |
1906 | case SYMBOL_FORWARDED: | |
1907 | { | |
1908 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1909 | if (BUFFER_OBJFWDP (valcontents)) | |
1910 | { | |
1911 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1912 | int idx = PER_BUFFER_IDX (offset); | |
1913 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
1914 | return Qt; | |
1915 | } | |
1916 | return Qnil; | |
1917 | } | |
1088b922 | 1918 | default: emacs_abort (); |
c48ead86 | 1919 | } |
62476adc | 1920 | } |
f4f04cee RS |
1921 | |
1922 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1923 | 1, 2, 0, |
1a5432bc CY |
1924 | doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there. |
1925 | BUFFER defaults to the current buffer. | |
1926 | ||
1927 | More precisely, return non-nil if either VARIABLE already has a local | |
1928 | value in BUFFER, or if VARIABLE is automatically buffer-local (see | |
1929 | `make-variable-buffer-local'). */) | |
5842a27b | 1930 | (register Lisp_Object variable, Lisp_Object buffer) |
f4f04cee | 1931 | { |
ad97b375 | 1932 | struct Lisp_Symbol *sym; |
f4f04cee | 1933 | |
b7826503 | 1934 | CHECK_SYMBOL (variable); |
ce5b453a | 1935 | sym = XSYMBOL (variable); |
f4f04cee | 1936 | |
ce5b453a SM |
1937 | start: |
1938 | switch (sym->redirect) | |
f4f04cee | 1939 | { |
ce5b453a SM |
1940 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1941 | case SYMBOL_PLAINVAL: return Qnil; | |
1942 | case SYMBOL_LOCALIZED: | |
1943 | { | |
1944 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1945 | if (blv->local_if_set) | |
1946 | return Qt; | |
1947 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ | |
1948 | return Flocal_variable_p (variable, buffer); | |
1949 | } | |
1950 | case SYMBOL_FORWARDED: | |
1951 | /* All BUFFER_OBJFWD slots become local if they are set. */ | |
1952 | return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil); | |
1088b922 | 1953 | default: emacs_abort (); |
f4f04cee | 1954 | } |
f4f04cee | 1955 | } |
6b61353c KH |
1956 | |
1957 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1958 | 1, 1, 0, | |
1959 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1960 | If the current binding is buffer-local, the value is the current buffer. | |
1961 | If the current binding is frame-local, the value is the selected frame. | |
1962 | If the current binding is global (the default), the value is nil. */) | |
5842a27b | 1963 | (register Lisp_Object variable) |
6b61353c | 1964 | { |
ad97b375 | 1965 | struct Lisp_Symbol *sym; |
6b61353c KH |
1966 | |
1967 | CHECK_SYMBOL (variable); | |
ce5b453a | 1968 | sym = XSYMBOL (variable); |
6b61353c KH |
1969 | |
1970 | /* Make sure the current binding is actually swapped in. */ | |
1971 | find_symbol_value (variable); | |
1972 | ||
ce5b453a SM |
1973 | start: |
1974 | switch (sym->redirect) | |
6b61353c | 1975 | { |
ce5b453a SM |
1976 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1977 | case SYMBOL_PLAINVAL: return Qnil; | |
1978 | case SYMBOL_FORWARDED: | |
1979 | { | |
1980 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1981 | if (KBOARD_OBJFWDP (valcontents)) | |
d2a95ffb | 1982 | return Fframe_terminal (selected_frame); |
ce5b453a SM |
1983 | else if (!BUFFER_OBJFWDP (valcontents)) |
1984 | return Qnil; | |
1985 | } | |
1986 | /* FALLTHROUGH */ | |
1987 | case SYMBOL_LOCALIZED: | |
6b61353c KH |
1988 | /* For a local variable, record both the symbol and which |
1989 | buffer's or frame's value we are saving. */ | |
1990 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
1991 | return Fcurrent_buffer (); | |
ce5b453a | 1992 | else if (sym->redirect == SYMBOL_LOCALIZED |
a04e2c62 | 1993 | && blv_found (SYMBOL_BLV (sym))) |
ce5b453a SM |
1994 | return SYMBOL_BLV (sym)->where; |
1995 | else | |
1996 | return Qnil; | |
1088b922 | 1997 | default: emacs_abort (); |
6b61353c | 1998 | } |
6b61353c | 1999 | } |
2a42d440 | 2000 | |
c40bb1ba | 2001 | /* This code is disabled now that we use the selected frame to return |
7be68de5 | 2002 | keyboard-local-values. */ |
c40bb1ba | 2003 | #if 0 |
f57e2426 | 2004 | extern struct terminal *get_terminal (Lisp_Object display, int); |
2a42d440 | 2005 | |
a7ca3326 | 2006 | DEFUN ("terminal-local-value", Fterminal_local_value, |
16a97296 | 2007 | Sterminal_local_value, 2, 2, 0, |
6ed8eeff | 2008 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
2009 | If SYMBOL is not a terminal-local variable, then return its normal |
2010 | value, like `symbol-value'. | |
2011 | ||
708e05dc | 2012 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2013 | selected frame's terminal device). */) |
5842a27b | 2014 | (Lisp_Object symbol, Lisp_Object terminal) |
2a42d440 KL |
2015 | { |
2016 | Lisp_Object result; | |
6ed8eeff KL |
2017 | struct terminal *t = get_terminal (terminal, 1); |
2018 | push_kboard (t->kboard); | |
2a42d440 | 2019 | result = Fsymbol_value (symbol); |
256c9c3a | 2020 | pop_kboard (); |
2a42d440 KL |
2021 | return result; |
2022 | } | |
2023 | ||
a7ca3326 | 2024 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, |
16a97296 | 2025 | Sset_terminal_local_value, 3, 3, 0, |
6ed8eeff | 2026 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 2027 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
2028 | binding, like `set'. |
2029 | ||
708e05dc | 2030 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2031 | selected frame's terminal device). */) |
5842a27b | 2032 | (Lisp_Object symbol, Lisp_Object terminal, Lisp_Object value) |
2a42d440 KL |
2033 | { |
2034 | Lisp_Object result; | |
6ed8eeff | 2035 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 2036 | push_kboard (d->kboard); |
2a42d440 | 2037 | result = Fset (symbol, value); |
256c9c3a | 2038 | pop_kboard (); |
2a42d440 KL |
2039 | return result; |
2040 | } | |
c40bb1ba | 2041 | #endif |
7921925c | 2042 | \f |
ffd56f97 JB |
2043 | /* Find the function at the end of a chain of symbol function indirections. */ |
2044 | ||
2045 | /* If OBJECT is a symbol, find the end of its function chain and | |
2046 | return the value found there. If OBJECT is not a symbol, just | |
2047 | return it. If there is a cycle in the function chain, signal a | |
2048 | cyclic-function-indirection error. | |
2049 | ||
2050 | This is like Findirect_function, except that it doesn't signal an | |
2051 | error if the chain ends up unbound. */ | |
2052 | Lisp_Object | |
971de7fb | 2053 | indirect_function (register Lisp_Object object) |
ffd56f97 | 2054 | { |
eb8c3be9 | 2055 | Lisp_Object tortoise, hare; |
ffd56f97 | 2056 | |
eb8c3be9 | 2057 | hare = tortoise = object; |
ffd56f97 JB |
2058 | |
2059 | for (;;) | |
2060 | { | |
eadf1faa | 2061 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2062 | break; |
c644523b | 2063 | hare = XSYMBOL (hare)->function; |
eadf1faa | 2064 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2065 | break; |
c644523b | 2066 | hare = XSYMBOL (hare)->function; |
ffd56f97 | 2067 | |
c644523b | 2068 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 2069 | |
eb8c3be9 | 2070 | if (EQ (hare, tortoise)) |
740ef0b5 | 2071 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
2072 | } |
2073 | ||
2074 | return hare; | |
2075 | } | |
2076 | ||
a7ca3326 | 2077 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 2078 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
2079 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
2080 | function indirections to find the final function binding and return it. | |
2081 | If the final symbol in the chain is unbound, signal a void-function error. | |
8350f087 | 2082 | Optional arg NOERROR non-nil means to return nil instead of signaling. |
8c1a1077 PJ |
2083 | Signal a cyclic-function-indirection error if there is a loop in the |
2084 | function chain of symbols. */) | |
5842a27b | 2085 | (register Lisp_Object object, Lisp_Object noerror) |
ffd56f97 JB |
2086 | { |
2087 | Lisp_Object result; | |
2088 | ||
64de53d8 KS |
2089 | /* Optimize for no indirection. */ |
2090 | result = object; | |
eadf1faa | 2091 | if (SYMBOLP (result) && !NILP (result) |
c644523b | 2092 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) |
64de53d8 | 2093 | result = indirect_function (result); |
eadf1faa | 2094 | if (!NILP (result)) |
64de53d8 | 2095 | return result; |
ffd56f97 | 2096 | |
64de53d8 | 2097 | if (NILP (noerror)) |
740ef0b5 | 2098 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 2099 | |
64de53d8 | 2100 | return Qnil; |
ffd56f97 JB |
2101 | } |
2102 | \f | |
7abaf5cc | 2103 | /* Extract and set vector and string elements. */ |
7921925c | 2104 | |
a7ca3326 | 2105 | DEFUN ("aref", Faref, Saref, 2, 2, 0, |
8c1a1077 PJ |
2106 | doc: /* Return the element of ARRAY at index IDX. |
2107 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
2108 | or a byte-code object. IDX starts at 0. */) | |
5842a27b | 2109 | (register Lisp_Object array, Lisp_Object idx) |
7921925c | 2110 | { |
ace1712c | 2111 | register EMACS_INT idxval; |
7921925c | 2112 | |
b7826503 | 2113 | CHECK_NUMBER (idx); |
7921925c | 2114 | idxval = XINT (idx); |
e9ebc175 | 2115 | if (STRINGP (array)) |
7921925c | 2116 | { |
ace1712c | 2117 | int c; |
d311d28c | 2118 | ptrdiff_t idxval_byte; |
25638b07 | 2119 | |
d5db4077 | 2120 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2121 | args_out_of_range (array, idx); |
25638b07 | 2122 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2123 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2124 | idxval_byte = string_char_to_byte (array, idxval); |
2125 | ||
62a6e103 | 2126 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2127 | return make_number (c); |
7921925c | 2128 | } |
4d276982 RS |
2129 | else if (BOOL_VECTOR_P (array)) |
2130 | { | |
2131 | int val; | |
4d276982 | 2132 | |
1c0a7493 | 2133 | if (idxval < 0 || idxval >= bool_vector_size (array)) |
4d276982 RS |
2134 | args_out_of_range (array, idx); |
2135 | ||
b9ed2177 AS |
2136 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
2137 | return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil); | |
4d276982 RS |
2138 | } |
2139 | else if (CHAR_TABLE_P (array)) | |
2140 | { | |
e6e1f521 KH |
2141 | CHECK_CHARACTER (idx); |
2142 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2143 | } |
7921925c | 2144 | else |
c24e4efe | 2145 | { |
90d8445b | 2146 | ptrdiff_t size = 0; |
7f358972 | 2147 | if (VECTORP (array)) |
77b37c05 | 2148 | size = ASIZE (array); |
876c194c | 2149 | else if (COMPILEDP (array)) |
77b37c05 | 2150 | size = ASIZE (array) & PSEUDOVECTOR_SIZE_MASK; |
7f358972 RS |
2151 | else |
2152 | wrong_type_argument (Qarrayp, array); | |
2153 | ||
2154 | if (idxval < 0 || idxval >= size) | |
c24e4efe | 2155 | args_out_of_range (array, idx); |
b9598260 | 2156 | return AREF (array, idxval); |
c24e4efe | 2157 | } |
7921925c JB |
2158 | } |
2159 | ||
a7ca3326 | 2160 | DEFUN ("aset", Faset, Saset, 3, 3, 0, |
8c1a1077 | 2161 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2162 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2163 | bool-vector. IDX starts at 0. */) | |
5842a27b | 2164 | (register Lisp_Object array, Lisp_Object idx, Lisp_Object newelt) |
7921925c | 2165 | { |
ace1712c | 2166 | register EMACS_INT idxval; |
7921925c | 2167 | |
b7826503 | 2168 | CHECK_NUMBER (idx); |
7921925c | 2169 | idxval = XINT (idx); |
0c64a8cd | 2170 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2171 | CHECK_IMPURE (array); |
2172 | ||
e9ebc175 | 2173 | if (VECTORP (array)) |
c24e4efe | 2174 | { |
77b37c05 | 2175 | if (idxval < 0 || idxval >= ASIZE (array)) |
c24e4efe | 2176 | args_out_of_range (array, idx); |
28be1ada | 2177 | ASET (array, idxval, newelt); |
c24e4efe | 2178 | } |
4d276982 RS |
2179 | else if (BOOL_VECTOR_P (array)) |
2180 | { | |
2181 | int val; | |
4d276982 | 2182 | |
1c0a7493 | 2183 | if (idxval < 0 || idxval >= bool_vector_size (array)) |
4d276982 RS |
2184 | args_out_of_range (array, idx); |
2185 | ||
b9ed2177 | 2186 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
4d276982 RS |
2187 | |
2188 | if (! NILP (newelt)) | |
b9ed2177 | 2189 | val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR); |
4d276982 | 2190 | else |
b9ed2177 AS |
2191 | val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)); |
2192 | XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val; | |
4d276982 RS |
2193 | } |
2194 | else if (CHAR_TABLE_P (array)) | |
2195 | { | |
e6e1f521 KH |
2196 | CHECK_CHARACTER (idx); |
2197 | CHAR_TABLE_SET (array, idxval, newelt); | |
4d276982 | 2198 | } |
0fed43f3 | 2199 | else |
25638b07 | 2200 | { |
13bdea59 | 2201 | int c; |
25638b07 | 2202 | |
d5db4077 | 2203 | if (idxval < 0 || idxval >= SCHARS (array)) |
25638b07 | 2204 | args_out_of_range (array, idx); |
d9130605 | 2205 | CHECK_CHARACTER (newelt); |
13bdea59 | 2206 | c = XFASTINT (newelt); |
25638b07 | 2207 | |
0fed43f3 | 2208 | if (STRING_MULTIBYTE (array)) |
3c9de1af | 2209 | { |
d311d28c PE |
2210 | ptrdiff_t idxval_byte, nbytes; |
2211 | int prev_bytes, new_bytes; | |
0fed43f3 PE |
2212 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1; |
2213 | ||
2214 | nbytes = SBYTES (array); | |
2215 | idxval_byte = string_char_to_byte (array, idxval); | |
d5db4077 | 2216 | p1 = SDATA (array) + idxval_byte; |
0fed43f3 PE |
2217 | prev_bytes = BYTES_BY_CHAR_HEAD (*p1); |
2218 | new_bytes = CHAR_STRING (c, p0); | |
2219 | if (prev_bytes != new_bytes) | |
2220 | { | |
2221 | /* We must relocate the string data. */ | |
d311d28c | 2222 | ptrdiff_t nchars = SCHARS (array); |
0fed43f3 | 2223 | USE_SAFE_ALLOCA; |
98c6f1e3 | 2224 | unsigned char *str = SAFE_ALLOCA (nbytes); |
0fed43f3 | 2225 | |
0fed43f3 PE |
2226 | memcpy (str, SDATA (array), nbytes); |
2227 | allocate_string_data (XSTRING (array), nchars, | |
2228 | nbytes + new_bytes - prev_bytes); | |
2229 | memcpy (SDATA (array), str, idxval_byte); | |
2230 | p1 = SDATA (array) + idxval_byte; | |
2231 | memcpy (p1 + new_bytes, str + idxval_byte + prev_bytes, | |
2232 | nbytes - (idxval_byte + prev_bytes)); | |
2233 | SAFE_FREE (); | |
2234 | clear_string_char_byte_cache (); | |
2235 | } | |
2236 | while (new_bytes--) | |
2237 | *p1++ = *p0++; | |
3c9de1af | 2238 | } |
0fed43f3 | 2239 | else |
5dff5999 | 2240 | { |
0fed43f3 PE |
2241 | if (! SINGLE_BYTE_CHAR_P (c)) |
2242 | { | |
2243 | int i; | |
2244 | ||
2245 | for (i = SBYTES (array) - 1; i >= 0; i--) | |
2246 | if (SREF (array, i) >= 0x80) | |
2247 | args_out_of_range (array, newelt); | |
2248 | /* ARRAY is an ASCII string. Convert it to a multibyte | |
2249 | string, and try `aset' again. */ | |
2250 | STRING_SET_MULTIBYTE (array); | |
2251 | return Faset (array, idx, newelt); | |
2252 | } | |
2253 | SSET (array, idxval, c); | |
5dff5999 | 2254 | } |
7921925c JB |
2255 | } |
2256 | ||
2257 | return newelt; | |
2258 | } | |
7921925c JB |
2259 | \f |
2260 | /* Arithmetic functions */ | |
2261 | ||
ebb99847 BR |
2262 | Lisp_Object |
2263 | arithcompare (Lisp_Object num1, Lisp_Object num2, enum Arith_Comparison comparison) | |
7921925c | 2264 | { |
6bbd7a29 | 2265 | double f1 = 0, f2 = 0; |
de1339b0 | 2266 | bool floatp = 0; |
7921925c | 2267 | |
b7826503 PJ |
2268 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2269 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2270 | |
e9ebc175 | 2271 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2272 | { |
2273 | floatp = 1; | |
7539e11f KR |
2274 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2275 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2276 | } |
7921925c JB |
2277 | |
2278 | switch (comparison) | |
2279 | { | |
ebb99847 | 2280 | case ARITH_EQUAL: |
7921925c JB |
2281 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) |
2282 | return Qt; | |
2283 | return Qnil; | |
2284 | ||
ebb99847 | 2285 | case ARITH_NOTEQUAL: |
7921925c JB |
2286 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) |
2287 | return Qt; | |
2288 | return Qnil; | |
2289 | ||
ebb99847 | 2290 | case ARITH_LESS: |
7921925c JB |
2291 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) |
2292 | return Qt; | |
2293 | return Qnil; | |
2294 | ||
ebb99847 | 2295 | case ARITH_LESS_OR_EQUAL: |
7921925c JB |
2296 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) |
2297 | return Qt; | |
2298 | return Qnil; | |
2299 | ||
ebb99847 | 2300 | case ARITH_GRTR: |
7921925c JB |
2301 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) |
2302 | return Qt; | |
2303 | return Qnil; | |
2304 | ||
ebb99847 | 2305 | case ARITH_GRTR_OR_EQUAL: |
7921925c JB |
2306 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) |
2307 | return Qt; | |
2308 | return Qnil; | |
25e40a4b JB |
2309 | |
2310 | default: | |
1088b922 | 2311 | emacs_abort (); |
7921925c JB |
2312 | } |
2313 | } | |
2314 | ||
ebb99847 BR |
2315 | static Lisp_Object |
2316 | arithcompare_driver (ptrdiff_t nargs, Lisp_Object *args, | |
2317 | enum Arith_Comparison comparison) | |
7921925c | 2318 | { |
ebb99847 BR |
2319 | for (ptrdiff_t argnum = 1; argnum < nargs; ++argnum) |
2320 | { | |
2321 | if (EQ (Qnil, arithcompare (args[argnum-1], args[argnum], comparison))) | |
2322 | return Qnil; | |
2323 | } | |
2324 | return Qt; | |
7921925c JB |
2325 | } |
2326 | ||
ebb99847 | 2327 | DEFUN ("=", Feqlsign, Seqlsign, 1, MANY, 0, |
53482f41 DA |
2328 | doc: /* Return t if args, all numbers or markers, are equal. |
2329 | usage: (= NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2330 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2331 | { |
ebb99847 | 2332 | return arithcompare_driver (nargs, args, ARITH_EQUAL); |
7921925c JB |
2333 | } |
2334 | ||
ebb99847 | 2335 | DEFUN ("<", Flss, Slss, 1, MANY, 0, |
53482f41 DA |
2336 | doc: /* Return t if each arg is less than the next arg. All must be numbers or markers. |
2337 | usage: (< NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2338 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2339 | { |
ebb99847 | 2340 | return arithcompare_driver (nargs, args, ARITH_LESS); |
7921925c JB |
2341 | } |
2342 | ||
ebb99847 | 2343 | DEFUN (">", Fgtr, Sgtr, 1, MANY, 0, |
53482f41 DA |
2344 | doc: /* Return t if each arg is greater than the next arg. All must be numbers or markers. |
2345 | usage: (> NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2346 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2347 | { |
ebb99847 | 2348 | return arithcompare_driver (nargs, args, ARITH_GRTR); |
7921925c JB |
2349 | } |
2350 | ||
ebb99847 BR |
2351 | DEFUN ("<=", Fleq, Sleq, 1, MANY, 0, |
2352 | doc: /* Return t if each arg is less than or equal to the next arg. | |
53482f41 DA |
2353 | All must be numbers or markers. |
2354 | usage: (<= NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 BR |
2355 | (ptrdiff_t nargs, Lisp_Object *args) |
2356 | { | |
2357 | return arithcompare_driver (nargs, args, ARITH_LESS_OR_EQUAL); | |
2358 | } | |
2359 | ||
2360 | DEFUN (">=", Fgeq, Sgeq, 1, MANY, 0, | |
2361 | doc: /* Return t if each arg is greater than or equal to the next arg. | |
53482f41 DA |
2362 | All must be numbers or markers. |
2363 | usage: (= NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2364 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2365 | { |
ebb99847 | 2366 | return arithcompare_driver (nargs, args, ARITH_GRTR_OR_EQUAL); |
7921925c JB |
2367 | } |
2368 | ||
2369 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 | 2370 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
5842a27b | 2371 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c | 2372 | { |
ebb99847 | 2373 | return arithcompare (num1, num2, ARITH_NOTEQUAL); |
7921925c JB |
2374 | } |
2375 | ||
a7ca3326 | 2376 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
8c1a1077 | 2377 | doc: /* Return t if NUMBER is zero. */) |
5842a27b | 2378 | (register Lisp_Object number) |
7921925c | 2379 | { |
b7826503 | 2380 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2381 | |
d9c2a0f2 | 2382 | if (FLOATP (number)) |
7921925c | 2383 | { |
7539e11f | 2384 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2385 | return Qt; |
2386 | return Qnil; | |
2387 | } | |
7921925c | 2388 | |
d9c2a0f2 | 2389 | if (!XINT (number)) |
7921925c JB |
2390 | return Qt; |
2391 | return Qnil; | |
2392 | } | |
2393 | \f | |
be44ca6c PE |
2394 | /* Convert the cons-of-integers, integer, or float value C to an |
2395 | unsigned value with maximum value MAX. Signal an error if C does not | |
2396 | have a valid format or is out of range. */ | |
2397 | uintmax_t | |
2398 | cons_to_unsigned (Lisp_Object c, uintmax_t max) | |
2399 | { | |
de1339b0 | 2400 | bool valid = 0; |
be44ca6c PE |
2401 | uintmax_t val IF_LINT (= 0); |
2402 | if (INTEGERP (c)) | |
2403 | { | |
2404 | valid = 0 <= XINT (c); | |
2405 | val = XINT (c); | |
2406 | } | |
2407 | else if (FLOATP (c)) | |
2408 | { | |
2409 | double d = XFLOAT_DATA (c); | |
2410 | if (0 <= d | |
2411 | && d < (max == UINTMAX_MAX ? (double) UINTMAX_MAX + 1 : max + 1)) | |
2412 | { | |
2413 | val = d; | |
2414 | valid = 1; | |
2415 | } | |
2416 | } | |
2417 | else if (CONSP (c) && NATNUMP (XCAR (c))) | |
2418 | { | |
2419 | uintmax_t top = XFASTINT (XCAR (c)); | |
2420 | Lisp_Object rest = XCDR (c); | |
2421 | if (top <= UINTMAX_MAX >> 24 >> 16 | |
2422 | && CONSP (rest) | |
2423 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2424 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2425 | { | |
2426 | uintmax_t mid = XFASTINT (XCAR (rest)); | |
2427 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2428 | valid = 1; | |
2429 | } | |
2430 | else if (top <= UINTMAX_MAX >> 16) | |
2431 | { | |
2432 | if (CONSP (rest)) | |
2433 | rest = XCAR (rest); | |
2434 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2435 | { | |
2436 | val = top << 16 | XFASTINT (rest); | |
2437 | valid = 1; | |
2438 | } | |
2439 | } | |
2440 | } | |
51cf3e31 | 2441 | |
be44ca6c PE |
2442 | if (! (valid && val <= max)) |
2443 | error ("Not an in-range integer, float, or cons of integers"); | |
2444 | return val; | |
51cf3e31 JB |
2445 | } |
2446 | ||
be44ca6c PE |
2447 | /* Convert the cons-of-integers, integer, or float value C to a signed |
2448 | value with extrema MIN and MAX. Signal an error if C does not have | |
2449 | a valid format or is out of range. */ | |
2450 | intmax_t | |
2451 | cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max) | |
51cf3e31 | 2452 | { |
de1339b0 | 2453 | bool valid = 0; |
be44ca6c | 2454 | intmax_t val IF_LINT (= 0); |
51cf3e31 | 2455 | if (INTEGERP (c)) |
be44ca6c PE |
2456 | { |
2457 | val = XINT (c); | |
2458 | valid = 1; | |
2459 | } | |
2460 | else if (FLOATP (c)) | |
2461 | { | |
2462 | double d = XFLOAT_DATA (c); | |
2463 | if (min <= d | |
2464 | && d < (max == INTMAX_MAX ? (double) INTMAX_MAX + 1 : max + 1)) | |
2465 | { | |
2466 | val = d; | |
2467 | valid = 1; | |
2468 | } | |
2469 | } | |
2470 | else if (CONSP (c) && INTEGERP (XCAR (c))) | |
2471 | { | |
2472 | intmax_t top = XINT (XCAR (c)); | |
2473 | Lisp_Object rest = XCDR (c); | |
2474 | if (INTMAX_MIN >> 24 >> 16 <= top && top <= INTMAX_MAX >> 24 >> 16 | |
2475 | && CONSP (rest) | |
2476 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2477 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2478 | { | |
2479 | intmax_t mid = XFASTINT (XCAR (rest)); | |
2480 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2481 | valid = 1; | |
2482 | } | |
2483 | else if (INTMAX_MIN >> 16 <= top && top <= INTMAX_MAX >> 16) | |
2484 | { | |
2485 | if (CONSP (rest)) | |
2486 | rest = XCAR (rest); | |
2487 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2488 | { | |
2489 | val = top << 16 | XFASTINT (rest); | |
2490 | valid = 1; | |
2491 | } | |
2492 | } | |
2493 | } | |
2494 | ||
2495 | if (! (valid && min <= val && val <= max)) | |
2496 | error ("Not an in-range integer, float, or cons of integers"); | |
2497 | return val; | |
51cf3e31 JB |
2498 | } |
2499 | \f | |
a7ca3326 | 2500 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2501 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2502 | Uses a minus sign if negative. |
2503 | NUMBER may be an integer or a floating point number. */) | |
5842a27b | 2504 | (Lisp_Object number) |
7921925c | 2505 | { |
99027bdd PE |
2506 | char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))]; |
2507 | int len; | |
7921925c | 2508 | |
b7826503 | 2509 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2510 | |
d9c2a0f2 | 2511 | if (FLOATP (number)) |
99027bdd PE |
2512 | len = float_to_string (buffer, XFLOAT_DATA (number)); |
2513 | else | |
2514 | len = sprintf (buffer, "%"pI"d", XINT (number)); | |
7921925c | 2515 | |
99027bdd | 2516 | return make_unibyte_string (buffer, len); |
7921925c JB |
2517 | } |
2518 | ||
a7ca3326 | 2519 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, |
558ee900 | 2520 | doc: /* Parse STRING as a decimal number and return the number. |
8c1a1077 | 2521 | This parses both integers and floating point numbers. |
be95bee9 | 2522 | It ignores leading spaces and tabs, and all trailing chars. |
8c1a1077 PJ |
2523 | |
2524 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2525 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
be95bee9 | 2526 | If the base used is not 10, STRING is always parsed as integer. */) |
5842a27b | 2527 | (register Lisp_Object string, Lisp_Object base) |
7921925c | 2528 | { |
57ace6d0 | 2529 | register char *p; |
342858a5 | 2530 | register int b; |
452f4150 | 2531 | Lisp_Object val; |
25e40a4b | 2532 | |
b7826503 | 2533 | CHECK_STRING (string); |
7921925c | 2534 | |
3883fbeb RS |
2535 | if (NILP (base)) |
2536 | b = 10; | |
2537 | else | |
2538 | { | |
b7826503 | 2539 | CHECK_NUMBER (base); |
d311d28c | 2540 | if (! (2 <= XINT (base) && XINT (base) <= 16)) |
740ef0b5 | 2541 | xsignal1 (Qargs_out_of_range, base); |
d311d28c | 2542 | b = XINT (base); |
3883fbeb RS |
2543 | } |
2544 | ||
57ace6d0 | 2545 | p = SSDATA (string); |
0a3e4d65 | 2546 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2547 | p++; |
2548 | ||
452f4150 PE |
2549 | val = string_to_number (p, b, 1); |
2550 | return NILP (val) ? make_number (0) : val; | |
7921925c | 2551 | } |
7403b5c8 | 2552 | \f |
7921925c | 2553 | enum arithop |
7a283f36 GM |
2554 | { |
2555 | Aadd, | |
2556 | Asub, | |
2557 | Amult, | |
2558 | Adiv, | |
2559 | Alogand, | |
2560 | Alogior, | |
2561 | Alogxor, | |
2562 | Amax, | |
2563 | Amin | |
2564 | }; | |
2565 | ||
f66c7cf8 PE |
2566 | static Lisp_Object float_arith_driver (double, ptrdiff_t, enum arithop, |
2567 | ptrdiff_t, Lisp_Object *); | |
112396d6 | 2568 | static Lisp_Object |
f66c7cf8 | 2569 | arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2570 | { |
de1339b0 PE |
2571 | Lisp_Object val; |
2572 | ptrdiff_t argnum, ok_args; | |
2573 | EMACS_INT accum = 0; | |
2574 | EMACS_INT next, ok_accum; | |
2575 | bool overflow = 0; | |
0ae6bdee | 2576 | |
7393bcbb | 2577 | switch (code) |
7921925c JB |
2578 | { |
2579 | case Alogior: | |
2580 | case Alogxor: | |
2581 | case Aadd: | |
2582 | case Asub: | |
7a283f36 GM |
2583 | accum = 0; |
2584 | break; | |
7921925c | 2585 | case Amult: |
7a283f36 GM |
2586 | accum = 1; |
2587 | break; | |
7921925c | 2588 | case Alogand: |
7a283f36 GM |
2589 | accum = -1; |
2590 | break; | |
2591 | default: | |
2592 | break; | |
7921925c JB |
2593 | } |
2594 | ||
2595 | for (argnum = 0; argnum < nargs; argnum++) | |
2596 | { | |
0ae6bdee PE |
2597 | if (! overflow) |
2598 | { | |
2599 | ok_args = argnum; | |
2600 | ok_accum = accum; | |
2601 | } | |
2602 | ||
7a283f36 GM |
2603 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2604 | val = args[argnum]; | |
b7826503 | 2605 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2606 | |
7a283f36 | 2607 | if (FLOATP (val)) |
0ae6bdee | 2608 | return float_arith_driver (ok_accum, ok_args, code, |
7a283f36 GM |
2609 | nargs, args); |
2610 | args[argnum] = val; | |
7921925c | 2611 | next = XINT (args[argnum]); |
7393bcbb | 2612 | switch (code) |
7921925c | 2613 | { |
7a283f36 | 2614 | case Aadd: |
0ae6bdee PE |
2615 | if (INT_ADD_OVERFLOW (accum, next)) |
2616 | { | |
2617 | overflow = 1; | |
2618 | accum &= INTMASK; | |
2619 | } | |
7a283f36 GM |
2620 | accum += next; |
2621 | break; | |
7921925c | 2622 | case Asub: |
0ae6bdee PE |
2623 | if (INT_SUBTRACT_OVERFLOW (accum, next)) |
2624 | { | |
2625 | overflow = 1; | |
2626 | accum &= INTMASK; | |
2627 | } | |
e64981da | 2628 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2629 | break; |
7a283f36 | 2630 | case Amult: |
0ae6bdee PE |
2631 | if (INT_MULTIPLY_OVERFLOW (accum, next)) |
2632 | { | |
c8a9ca5a | 2633 | EMACS_UINT a = accum, b = next, ab = a * b; |
0ae6bdee | 2634 | overflow = 1; |
c8a9ca5a | 2635 | accum = ab & INTMASK; |
0ae6bdee PE |
2636 | } |
2637 | else | |
2638 | accum *= next; | |
7a283f36 | 2639 | break; |
7921925c | 2640 | case Adiv: |
7a283f36 GM |
2641 | if (!argnum) |
2642 | accum = next; | |
87fbf902 RS |
2643 | else |
2644 | { | |
2645 | if (next == 0) | |
740ef0b5 | 2646 | xsignal0 (Qarith_error); |
87fbf902 RS |
2647 | accum /= next; |
2648 | } | |
7921925c | 2649 | break; |
7a283f36 GM |
2650 | case Alogand: |
2651 | accum &= next; | |
2652 | break; | |
2653 | case Alogior: | |
2654 | accum |= next; | |
2655 | break; | |
2656 | case Alogxor: | |
2657 | accum ^= next; | |
2658 | break; | |
2659 | case Amax: | |
2660 | if (!argnum || next > accum) | |
2661 | accum = next; | |
2662 | break; | |
2663 | case Amin: | |
2664 | if (!argnum || next < accum) | |
2665 | accum = next; | |
2666 | break; | |
7921925c JB |
2667 | } |
2668 | } | |
2669 | ||
f187f1f7 | 2670 | XSETINT (val, accum); |
7921925c JB |
2671 | return val; |
2672 | } | |
2673 | ||
1a2f2d33 KH |
2674 | #undef isnan |
2675 | #define isnan(x) ((x) != (x)) | |
2676 | ||
7a283f36 | 2677 | static Lisp_Object |
f66c7cf8 PE |
2678 | float_arith_driver (double accum, ptrdiff_t argnum, enum arithop code, |
2679 | ptrdiff_t nargs, Lisp_Object *args) | |
7921925c JB |
2680 | { |
2681 | register Lisp_Object val; | |
2682 | double next; | |
7403b5c8 | 2683 | |
7921925c JB |
2684 | for (; argnum < nargs; argnum++) |
2685 | { | |
2686 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2687 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2688 | |
e9ebc175 | 2689 | if (FLOATP (val)) |
7921925c | 2690 | { |
7539e11f | 2691 | next = XFLOAT_DATA (val); |
7921925c JB |
2692 | } |
2693 | else | |
2694 | { | |
2695 | args[argnum] = val; /* runs into a compiler bug. */ | |
2696 | next = XINT (args[argnum]); | |
2697 | } | |
7393bcbb | 2698 | switch (code) |
7921925c JB |
2699 | { |
2700 | case Aadd: | |
2701 | accum += next; | |
2702 | break; | |
2703 | case Asub: | |
e64981da | 2704 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2705 | break; |
2706 | case Amult: | |
2707 | accum *= next; | |
2708 | break; | |
2709 | case Adiv: | |
2710 | if (!argnum) | |
2711 | accum = next; | |
2712 | else | |
87fbf902 | 2713 | { |
ad8d56b9 | 2714 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2715 | xsignal0 (Qarith_error); |
87fbf902 RS |
2716 | accum /= next; |
2717 | } | |
7921925c JB |
2718 | break; |
2719 | case Alogand: | |
2720 | case Alogior: | |
2721 | case Alogxor: | |
2722 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2723 | case Amax: | |
1a2f2d33 | 2724 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2725 | accum = next; |
2726 | break; | |
2727 | case Amin: | |
1a2f2d33 | 2728 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2729 | accum = next; |
2730 | break; | |
2731 | } | |
2732 | } | |
2733 | ||
2734 | return make_float (accum); | |
2735 | } | |
cc94f3b2 | 2736 | |
7921925c | 2737 | |
a7ca3326 | 2738 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, |
8c1a1077 PJ |
2739 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2740 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
f66c7cf8 | 2741 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2742 | { |
2743 | return arith_driver (Aadd, nargs, args); | |
2744 | } | |
2745 | ||
a7ca3326 | 2746 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, |
558ee900 | 2747 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2748 | With one arg, negates it. With more than one arg, |
f44fba9e | 2749 | subtracts all but the first from the first. |
8c1a1077 | 2750 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2751 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2752 | { |
2753 | return arith_driver (Asub, nargs, args); | |
2754 | } | |
2755 | ||
a7ca3326 | 2756 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, |
be24eadf | 2757 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 | 2758 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2759 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2760 | { |
2761 | return arith_driver (Amult, nargs, args); | |
2762 | } | |
2763 | ||
32e5c58c | 2764 | DEFUN ("/", Fquo, Squo, 1, MANY, 0, |
be24eadf | 2765 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2766 | The arguments must be numbers or markers. |
32e5c58c | 2767 | usage: (/ DIVIDEND &rest DIVISORS) */) |
f66c7cf8 | 2768 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2769 | { |
f66c7cf8 | 2770 | ptrdiff_t argnum; |
7ef98053 | 2771 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2772 | if (FLOATP (args[argnum])) |
2773 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2774 | return arith_driver (Adiv, nargs, args); |
2775 | } | |
2776 | ||
a7ca3326 | 2777 | DEFUN ("%", Frem, Srem, 2, 2, 0, |
be24eadf | 2778 | doc: /* Return remainder of X divided by Y. |
8c1a1077 | 2779 | Both must be integers or markers. */) |
5842a27b | 2780 | (register Lisp_Object x, Lisp_Object y) |
7921925c JB |
2781 | { |
2782 | Lisp_Object val; | |
2783 | ||
b7826503 PJ |
2784 | CHECK_NUMBER_COERCE_MARKER (x); |
2785 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2786 | |
d311d28c | 2787 | if (XINT (y) == 0) |
740ef0b5 | 2788 | xsignal0 (Qarith_error); |
87fbf902 | 2789 | |
d9c2a0f2 | 2790 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2791 | return val; |
2792 | } | |
2793 | ||
44fa9da5 | 2794 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2795 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2796 | The result falls between zero (inclusive) and Y (exclusive). |
2797 | Both X and Y must be numbers or markers. */) | |
5842a27b | 2798 | (register Lisp_Object x, Lisp_Object y) |
44fa9da5 PE |
2799 | { |
2800 | Lisp_Object val; | |
5260234d | 2801 | EMACS_INT i1, i2; |
44fa9da5 | 2802 | |
b7826503 PJ |
2803 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2804 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2805 | |
d9c2a0f2 | 2806 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2807 | return fmod_float (x, y); |
2808 | ||
d9c2a0f2 EN |
2809 | i1 = XINT (x); |
2810 | i2 = XINT (y); | |
44fa9da5 PE |
2811 | |
2812 | if (i2 == 0) | |
740ef0b5 | 2813 | xsignal0 (Qarith_error); |
7403b5c8 | 2814 | |
44fa9da5 PE |
2815 | i1 %= i2; |
2816 | ||
2817 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2818 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2819 | i1 += i2; |
2820 | ||
f187f1f7 | 2821 | XSETINT (val, i1); |
44fa9da5 PE |
2822 | return val; |
2823 | } | |
2824 | ||
a7ca3326 | 2825 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2826 | doc: /* Return largest of all the arguments (which must be numbers or markers). |
f44fba9e | 2827 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2828 | usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2829 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2830 | { |
2831 | return arith_driver (Amax, nargs, args); | |
2832 | } | |
2833 | ||
a7ca3326 | 2834 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, |
8c1a1077 | 2835 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2836 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2837 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2838 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2839 | { |
2840 | return arith_driver (Amin, nargs, args); | |
2841 | } | |
2842 | ||
2843 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2844 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2845 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2846 | usage: (logand &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2847 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2848 | { |
2849 | return arith_driver (Alogand, nargs, args); | |
2850 | } | |
2851 | ||
2852 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2853 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2854 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2855 | usage: (logior &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2856 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2857 | { |
2858 | return arith_driver (Alogior, nargs, args); | |
2859 | } | |
2860 | ||
2861 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2862 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2863 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2864 | usage: (logxor &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2865 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2866 | { |
2867 | return arith_driver (Alogxor, nargs, args); | |
2868 | } | |
2869 | ||
2870 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2871 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2872 | If COUNT is negative, shifting is actually to the right. | |
2873 | In this case, the sign bit is duplicated. */) | |
5842a27b | 2874 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2875 | { |
2876 | register Lisp_Object val; | |
2877 | ||
b7826503 PJ |
2878 | CHECK_NUMBER (value); |
2879 | CHECK_NUMBER (count); | |
7921925c | 2880 | |
81d70626 RS |
2881 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2882 | XSETINT (val, 0); | |
2883 | else if (XINT (count) > 0) | |
3d9652eb | 2884 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2885 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2886 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2887 | else |
3d9652eb | 2888 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2889 | return val; |
2890 | } | |
2891 | ||
2892 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2893 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2894 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2895 | In this case, zeros are shifted in on the left. */) |
5842a27b | 2896 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2897 | { |
2898 | register Lisp_Object val; | |
2899 | ||
b7826503 PJ |
2900 | CHECK_NUMBER (value); |
2901 | CHECK_NUMBER (count); | |
7921925c | 2902 | |
81d70626 RS |
2903 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2904 | XSETINT (val, 0); | |
2905 | else if (XINT (count) > 0) | |
c8a9ca5a | 2906 | XSETINT (val, XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2907 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2908 | XSETINT (val, 0); | |
7921925c | 2909 | else |
c8a9ca5a | 2910 | XSETINT (val, XUINT (value) >> -XINT (count)); |
7921925c JB |
2911 | return val; |
2912 | } | |
2913 | ||
a7ca3326 | 2914 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, |
8c1a1077 PJ |
2915 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2916 | Markers are converted to integers. */) | |
5842a27b | 2917 | (register Lisp_Object number) |
7921925c | 2918 | { |
b7826503 | 2919 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2920 | |
d9c2a0f2 | 2921 | if (FLOATP (number)) |
7539e11f | 2922 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2923 | |
d9c2a0f2 EN |
2924 | XSETINT (number, XINT (number) + 1); |
2925 | return number; | |
7921925c JB |
2926 | } |
2927 | ||
a7ca3326 | 2928 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, |
8c1a1077 PJ |
2929 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2930 | Markers are converted to integers. */) | |
5842a27b | 2931 | (register Lisp_Object number) |
7921925c | 2932 | { |
b7826503 | 2933 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2934 | |
d9c2a0f2 | 2935 | if (FLOATP (number)) |
7539e11f | 2936 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2937 | |
d9c2a0f2 EN |
2938 | XSETINT (number, XINT (number) - 1); |
2939 | return number; | |
7921925c JB |
2940 | } |
2941 | ||
2942 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 | 2943 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
5842a27b | 2944 | (register Lisp_Object number) |
7921925c | 2945 | { |
b7826503 | 2946 | CHECK_NUMBER (number); |
53924017 | 2947 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2948 | return number; |
7921925c | 2949 | } |
6b61353c | 2950 | |
a7ca3326 | 2951 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, |
6b61353c KH |
2952 | doc: /* Return the byteorder for the machine. |
2953 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2954 | lowercase l) for small endian machines. */) | |
5842a27b | 2955 | (void) |
6b61353c KH |
2956 | { |
2957 | unsigned i = 0x04030201; | |
2958 | int order = *(char *)&i == 1 ? 108 : 66; | |
2959 | ||
2960 | return make_number (order); | |
2961 | } | |
2962 | ||
3e0b94e7 DC |
2963 | /* Because we round up the bool vector allocate size to word_size |
2964 | units, we can safely read past the "end" of the vector in the | |
2965 | operations below. These extra bits are always zero. Also, we | |
87c4314d | 2966 | always allocate bool vectors with at least one bits_word of storage so |
3e0b94e7 DC |
2967 | that we don't have to special-case empty bit vectors. */ |
2968 | ||
87c4314d | 2969 | static bits_word |
3e0b94e7 DC |
2970 | bool_vector_spare_mask (ptrdiff_t nr_bits) |
2971 | { | |
87c4314d | 2972 | return (((bits_word) 1) << (nr_bits % BITS_PER_BITS_WORD)) - 1; |
3e0b94e7 DC |
2973 | } |
2974 | ||
87c4314d PE |
2975 | #if BITS_WORD_MAX <= UINT_MAX |
2976 | # define popcount_bits_word count_one_bits | |
2977 | #elif BITS_WORD_MAX <= ULONG_MAX | |
2978 | # define popcount_bits_word count_one_bits_l | |
2979 | #elif BITS_WORD_MAX <= ULLONG_MAX | |
2980 | # define popcount_bits_word count_one_bits_ll | |
3e0b94e7 | 2981 | #else |
87c4314d | 2982 | # error "bits_word wider than long long? Please file a bug report." |
3e0b94e7 DC |
2983 | #endif |
2984 | ||
3e0b94e7 DC |
2985 | enum bool_vector_op { bool_vector_exclusive_or, |
2986 | bool_vector_union, | |
2987 | bool_vector_intersection, | |
2988 | bool_vector_set_difference, | |
2989 | bool_vector_subsetp }; | |
2990 | ||
7be68de5 | 2991 | static Lisp_Object |
3e0b94e7 DC |
2992 | bool_vector_binop_driver (Lisp_Object op1, |
2993 | Lisp_Object op2, | |
2994 | Lisp_Object dest, | |
2995 | enum bool_vector_op op) | |
2996 | { | |
2997 | EMACS_INT nr_bits; | |
87c4314d | 2998 | bits_word *adata, *bdata, *cdata; |
3e0b94e7 | 2999 | ptrdiff_t i; |
87c4314d PE |
3000 | bits_word changed = 0; |
3001 | bits_word mword; | |
3e0b94e7 DC |
3002 | ptrdiff_t nr_words; |
3003 | ||
3004 | CHECK_BOOL_VECTOR (op1); | |
3005 | CHECK_BOOL_VECTOR (op2); | |
3006 | ||
1c0a7493 | 3007 | nr_bits = min (bool_vector_size (op1), bool_vector_size (op2)); |
3e0b94e7 DC |
3008 | |
3009 | if (NILP (dest)) | |
3010 | { | |
3011 | dest = Fmake_bool_vector (make_number (nr_bits), Qnil); | |
3012 | changed = 1; | |
3013 | } | |
3014 | else | |
3015 | { | |
3016 | CHECK_BOOL_VECTOR (dest); | |
1c0a7493 | 3017 | nr_bits = min (nr_bits, bool_vector_size (dest)); |
3e0b94e7 DC |
3018 | } |
3019 | ||
87c4314d | 3020 | nr_words = ROUNDUP (nr_bits, BITS_PER_BITS_WORD) / BITS_PER_BITS_WORD; |
7be68de5 | 3021 | |
87c4314d PE |
3022 | adata = (bits_word *) XBOOL_VECTOR (dest)->data; |
3023 | bdata = (bits_word *) XBOOL_VECTOR (op1)->data; | |
3024 | cdata = (bits_word *) XBOOL_VECTOR (op2)->data; | |
3e0b94e7 DC |
3025 | i = 0; |
3026 | do | |
3027 | { | |
3028 | if (op == bool_vector_exclusive_or) | |
3029 | mword = bdata[i] ^ cdata[i]; | |
3030 | else if (op == bool_vector_union || op == bool_vector_subsetp) | |
3031 | mword = bdata[i] | cdata[i]; | |
3032 | else if (op == bool_vector_intersection) | |
3033 | mword = bdata[i] & cdata[i]; | |
3034 | else if (op == bool_vector_set_difference) | |
3035 | mword = bdata[i] &~ cdata[i]; | |
3036 | else | |
3037 | abort (); | |
3038 | ||
3039 | changed |= adata[i] ^ mword; | |
3040 | ||
3041 | if (op != bool_vector_subsetp) | |
3042 | adata[i] = mword; | |
3043 | ||
7be68de5 | 3044 | i++; |
3e0b94e7 DC |
3045 | } |
3046 | while (i < nr_words); | |
7be68de5 | 3047 | |
3e0b94e7 DC |
3048 | return changed ? dest : Qnil; |
3049 | } | |
3050 | ||
3051 | /* Compute the number of trailing zero bits in val. If val is zero, | |
3052 | return the number of bits in val. */ | |
595e113b | 3053 | static int |
87c4314d | 3054 | count_trailing_zero_bits (bits_word val) |
3e0b94e7 | 3055 | { |
87c4314d | 3056 | if (BITS_WORD_MAX == UINT_MAX) |
595e113b | 3057 | return count_trailing_zeros (val); |
87c4314d | 3058 | if (BITS_WORD_MAX == ULONG_MAX) |
595e113b PE |
3059 | return count_trailing_zeros_l (val); |
3060 | # if HAVE_UNSIGNED_LONG_LONG_INT | |
87c4314d | 3061 | if (BITS_WORD_MAX == ULLONG_MAX) |
595e113b PE |
3062 | return count_trailing_zeros_ll (val); |
3063 | # endif | |
3064 | ||
87c4314d | 3065 | /* The rest of this code is for the unlikely platform where bits_word differs |
595e113b | 3066 | in width from unsigned int, unsigned long, and unsigned long long. */ |
3e0b94e7 DC |
3067 | if (val == 0) |
3068 | return CHAR_BIT * sizeof (val); | |
87c4314d | 3069 | if (BITS_WORD_MAX <= UINT_MAX) |
595e113b | 3070 | return count_trailing_zeros (val); |
87c4314d | 3071 | if (BITS_WORD_MAX <= ULONG_MAX) |
595e113b | 3072 | return count_trailing_zeros_l (val); |
3e0b94e7 | 3073 | { |
595e113b | 3074 | # if HAVE_UNSIGNED_LONG_LONG_INT |
87c4314d | 3075 | verify (BITS_WORD_MAX <= ULLONG_MAX); |
595e113b PE |
3076 | return count_trailing_zeros_ll (val); |
3077 | # else | |
87c4314d | 3078 | verify (BITS_WORD_MAX <= ULONG_MAX); |
595e113b | 3079 | # endif |
3e0b94e7 | 3080 | } |
3e0b94e7 DC |
3081 | } |
3082 | ||
87c4314d PE |
3083 | static bits_word |
3084 | bits_word_to_host_endian (bits_word val) | |
3e0b94e7 | 3085 | { |
595e113b PE |
3086 | #ifndef WORDS_BIGENDIAN |
3087 | return val; | |
87c4314d | 3088 | #elif BITS_WORD_MAX >> 31 == 1 |
4eed3157 | 3089 | return bswap_32 (val); |
87c4314d | 3090 | #elif BITS_WORD_MAX >> 31 >> 31 >> 1 == 1 |
595e113b | 3091 | return bswap_64 (val); |
3e0b94e7 | 3092 | #else |
595e113b | 3093 | int i; |
87c4314d | 3094 | bits_word r = 0; |
595e113b PE |
3095 | for (i = 0; i < sizeof val; i++) |
3096 | { | |
3097 | r = (r << CHAR_BIT) | (val & ((1u << CHAR_BIT) - 1)); | |
3098 | val >>= CHAR_BIT; | |
3099 | } | |
3100 | return r; | |
3e0b94e7 DC |
3101 | #endif |
3102 | } | |
3103 | ||
3104 | DEFUN ("bool-vector-exclusive-or", Fbool_vector_exclusive_or, | |
3105 | Sbool_vector_exclusive_or, 2, 3, 0, | |
3106 | doc: /* Compute C = A ^ B, bitwise exclusive or. | |
3107 | A, B, and C must be bool vectors. If C is nil, allocate a new bool | |
3108 | vector in which to store the result. Return the destination vector if | |
3109 | it changed or nil otherwise. */ | |
3110 | ) | |
3111 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) | |
3112 | { | |
3113 | return bool_vector_binop_driver (a, b, c, bool_vector_exclusive_or); | |
3114 | } | |
3115 | ||
3116 | DEFUN ("bool-vector-union", Fbool_vector_union, | |
3117 | Sbool_vector_union, 2, 3, 0, | |
3118 | doc: /* Compute C = A | B, bitwise or. | |
3119 | A, B, and C must be bool vectors. If C is nil, allocate a new bool | |
3120 | vector in which to store the result. Return the destination vector if | |
3121 | it changed or nil otherwise. */) | |
3122 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) | |
3123 | { | |
3124 | return bool_vector_binop_driver (a, b, c, bool_vector_union); | |
3125 | } | |
3126 | ||
3127 | DEFUN ("bool-vector-intersection", Fbool_vector_intersection, | |
3128 | Sbool_vector_intersection, 2, 3, 0, | |
3129 | doc: /* Compute C = A & B, bitwise and. | |
3130 | A, B, and C must be bool vectors. If C is nil, allocate a new bool | |
3131 | vector in which to store the result. Return the destination vector if | |
3132 | it changed or nil otherwise. */) | |
3133 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) | |
3134 | { | |
3135 | return bool_vector_binop_driver (a, b, c, bool_vector_intersection); | |
3136 | } | |
3137 | ||
3138 | DEFUN ("bool-vector-set-difference", Fbool_vector_set_difference, | |
3139 | Sbool_vector_set_difference, 2, 3, 0, | |
3140 | doc: /* Compute C = A &~ B, set difference. | |
3141 | A, B, and C must be bool vectors. If C is nil, allocate a new bool | |
3142 | vector in which to store the result. Return the destination vector if | |
3143 | it changed or nil otherwise. */) | |
3144 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) | |
3145 | { | |
3146 | return bool_vector_binop_driver (a, b, c, bool_vector_set_difference); | |
3147 | } | |
3148 | ||
3149 | DEFUN ("bool-vector-subsetp", Fbool_vector_subsetp, | |
3150 | Sbool_vector_subsetp, 2, 2, 0, | |
3151 | doc: ) | |
3152 | (Lisp_Object a, Lisp_Object b) | |
3153 | { | |
3154 | /* Like bool_vector_union, but doesn't modify b. */ | |
3155 | return bool_vector_binop_driver (b, a, b, bool_vector_subsetp); | |
3156 | } | |
3157 | ||
3158 | DEFUN ("bool-vector-not", Fbool_vector_not, | |
3159 | Sbool_vector_not, 1, 2, 0, | |
3160 | doc: /* Compute B = ~A. | |
3161 | B must be a bool vector. A must be a bool vector or nil. | |
3162 | If A is nil, allocate a new bool vector in which to store the result. | |
3163 | Return the destination vector. */) | |
3164 | (Lisp_Object a, Lisp_Object b) | |
3165 | { | |
3166 | EMACS_INT nr_bits; | |
87c4314d | 3167 | bits_word *bdata, *adata; |
3e0b94e7 | 3168 | ptrdiff_t i; |
87c4314d | 3169 | bits_word mword; |
3e0b94e7 DC |
3170 | |
3171 | CHECK_BOOL_VECTOR (a); | |
1c0a7493 | 3172 | nr_bits = bool_vector_size (a); |
3e0b94e7 DC |
3173 | |
3174 | if (NILP (b)) | |
3175 | b = Fmake_bool_vector (make_number (nr_bits), Qnil); | |
3176 | else | |
3177 | { | |
3178 | CHECK_BOOL_VECTOR (b); | |
1c0a7493 | 3179 | nr_bits = min (nr_bits, bool_vector_size (b)); |
3e0b94e7 DC |
3180 | } |
3181 | ||
87c4314d PE |
3182 | bdata = (bits_word *) XBOOL_VECTOR (b)->data; |
3183 | adata = (bits_word *) XBOOL_VECTOR (a)->data; | |
3e0b94e7 | 3184 | |
87c4314d | 3185 | for (i = 0; i < nr_bits / BITS_PER_BITS_WORD; i++) |
7be68de5 | 3186 | bdata[i] = ~adata[i]; |
3e0b94e7 | 3187 | |
87c4314d | 3188 | if (nr_bits % BITS_PER_BITS_WORD) |
3e0b94e7 | 3189 | { |
87c4314d | 3190 | mword = bits_word_to_host_endian (adata[i]); |
3e0b94e7 DC |
3191 | mword = ~mword; |
3192 | mword &= bool_vector_spare_mask (nr_bits); | |
87c4314d | 3193 | bdata[i] = bits_word_to_host_endian (mword); |
3e0b94e7 DC |
3194 | } |
3195 | ||
3196 | return b; | |
3197 | } | |
3198 | ||
3199 | DEFUN ("bool-vector-count-matches", Fbool_vector_count_matches, | |
3200 | Sbool_vector_count_matches, 2, 2, 0, | |
3201 | doc: /* Count how many elements in A equal B. | |
7be68de5 | 3202 | A must be a bool vector. B is a generalized bool. */) |
3e0b94e7 DC |
3203 | (Lisp_Object a, Lisp_Object b) |
3204 | { | |
3205 | ptrdiff_t count; | |
3206 | EMACS_INT nr_bits; | |
87c4314d PE |
3207 | bits_word *adata; |
3208 | bits_word match; | |
3e0b94e7 DC |
3209 | ptrdiff_t i; |
3210 | ||
3211 | CHECK_BOOL_VECTOR (a); | |
3212 | ||
1c0a7493 | 3213 | nr_bits = bool_vector_size (a); |
3e0b94e7 | 3214 | count = 0; |
87c4314d PE |
3215 | match = NILP (b) ? -1 : 0; |
3216 | adata = (bits_word *) XBOOL_VECTOR (a)->data; | |
3e0b94e7 | 3217 | |
87c4314d PE |
3218 | for (i = 0; i < nr_bits / BITS_PER_BITS_WORD; ++i) |
3219 | count += popcount_bits_word (adata[i] ^ match); | |
3e0b94e7 DC |
3220 | |
3221 | /* Mask out trailing parts of final mword. */ | |
87c4314d | 3222 | if (nr_bits % BITS_PER_BITS_WORD) |
3e0b94e7 | 3223 | { |
87c4314d PE |
3224 | bits_word mword = adata[i] ^ match; |
3225 | mword = bits_word_to_host_endian (mword); | |
3226 | count += popcount_bits_word (mword & bool_vector_spare_mask (nr_bits)); | |
3e0b94e7 DC |
3227 | } |
3228 | ||
3229 | return make_number (count); | |
3230 | } | |
3231 | ||
3232 | DEFUN ("bool-vector-count-matches-at", | |
3233 | Fbool_vector_count_matches_at, | |
3234 | Sbool_vector_count_matches_at, 3, 3, 0, | |
3235 | doc: /* Count how many consecutive elements in A equal B at i. | |
3236 | A must be a bool vector. B is a generalized boolean. i is an | |
7be68de5 | 3237 | index into the vector. */) |
3e0b94e7 DC |
3238 | (Lisp_Object a, Lisp_Object b, Lisp_Object i) |
3239 | { | |
3240 | ptrdiff_t count; | |
3241 | EMACS_INT nr_bits; | |
3242 | ptrdiff_t offset; | |
87c4314d PE |
3243 | bits_word *adata; |
3244 | bits_word twiddle; | |
3245 | bits_word mword; /* Machine word. */ | |
3e0b94e7 DC |
3246 | ptrdiff_t pos; |
3247 | ptrdiff_t nr_words; | |
3248 | ||
3249 | CHECK_BOOL_VECTOR (a); | |
3250 | CHECK_NATNUM (i); | |
3251 | ||
1c0a7493 | 3252 | nr_bits = bool_vector_size (a); |
3e0b94e7 DC |
3253 | if (XFASTINT (i) > nr_bits) /* Allow one past the end for convenience */ |
3254 | args_out_of_range (a, i); | |
3255 | ||
87c4314d | 3256 | adata = (bits_word *) XBOOL_VECTOR (a)->data; |
3e0b94e7 | 3257 | |
87c4314d | 3258 | nr_words = ROUNDUP (nr_bits, BITS_PER_BITS_WORD) / BITS_PER_BITS_WORD; |
7be68de5 | 3259 | |
87c4314d PE |
3260 | pos = XFASTINT (i) / BITS_PER_BITS_WORD; |
3261 | offset = XFASTINT (i) % BITS_PER_BITS_WORD; | |
3e0b94e7 DC |
3262 | count = 0; |
3263 | ||
3264 | /* By XORing with twiddle, we transform the problem of "count | |
3265 | consecutive equal values" into "count the zero bits". The latter | |
3266 | operation usually has hardware support. */ | |
87c4314d | 3267 | twiddle = NILP (b) ? 0 : -1; |
3e0b94e7 DC |
3268 | |
3269 | /* Scan the remainder of the mword at the current offset. */ | |
3270 | if (pos < nr_words && offset != 0) | |
3271 | { | |
87c4314d | 3272 | mword = bits_word_to_host_endian (adata[pos]); |
3e0b94e7 DC |
3273 | mword ^= twiddle; |
3274 | mword >>= offset; | |
3275 | count = count_trailing_zero_bits (mword); | |
87c4314d | 3276 | count = min (count, BITS_PER_BITS_WORD - offset); |
7be68de5 | 3277 | pos++; |
87c4314d | 3278 | if (count + offset < BITS_PER_BITS_WORD) |
3e0b94e7 DC |
3279 | return make_number (count); |
3280 | } | |
3281 | ||
3282 | /* Scan whole words until we either reach the end of the vector or | |
3283 | find an mword that doesn't completely match. twiddle is | |
3284 | endian-independent. */ | |
3285 | while (pos < nr_words && adata[pos] == twiddle) | |
3286 | { | |
87c4314d | 3287 | count += BITS_PER_BITS_WORD; |
3e0b94e7 DC |
3288 | ++pos; |
3289 | } | |
3290 | ||
3291 | if (pos < nr_words) | |
3292 | { | |
3293 | /* If we stopped because of a mismatch, see how many bits match | |
3294 | in the current mword. */ | |
87c4314d | 3295 | mword = bits_word_to_host_endian (adata[pos]); |
3e0b94e7 DC |
3296 | mword ^= twiddle; |
3297 | count += count_trailing_zero_bits (mword); | |
3298 | } | |
87c4314d | 3299 | else if (nr_bits % BITS_PER_BITS_WORD != 0) |
3e0b94e7 DC |
3300 | { |
3301 | /* If we hit the end, we might have overshot our count. Reduce | |
3302 | the total by the number of spare bits at the end of the | |
3303 | vector. */ | |
87c4314d | 3304 | count -= BITS_PER_BITS_WORD - nr_bits % BITS_PER_BITS_WORD; |
3e0b94e7 DC |
3305 | } |
3306 | ||
3307 | return make_number (count); | |
3308 | } | |
6b61353c | 3309 | |
7921925c JB |
3310 | \f |
3311 | void | |
971de7fb | 3312 | syms_of_data (void) |
7921925c | 3313 | { |
6315e761 RS |
3314 | Lisp_Object error_tail, arith_tail; |
3315 | ||
620c53a6 SM |
3316 | DEFSYM (Qquote, "quote"); |
3317 | DEFSYM (Qlambda, "lambda"); | |
3318 | DEFSYM (Qsubr, "subr"); | |
3319 | DEFSYM (Qerror_conditions, "error-conditions"); | |
3320 | DEFSYM (Qerror_message, "error-message"); | |
3321 | DEFSYM (Qtop_level, "top-level"); | |
3322 | ||
3323 | DEFSYM (Qerror, "error"); | |
71873e2b | 3324 | DEFSYM (Quser_error, "user-error"); |
620c53a6 SM |
3325 | DEFSYM (Qquit, "quit"); |
3326 | DEFSYM (Qwrong_type_argument, "wrong-type-argument"); | |
3327 | DEFSYM (Qargs_out_of_range, "args-out-of-range"); | |
3328 | DEFSYM (Qvoid_function, "void-function"); | |
3329 | DEFSYM (Qcyclic_function_indirection, "cyclic-function-indirection"); | |
3330 | DEFSYM (Qcyclic_variable_indirection, "cyclic-variable-indirection"); | |
3331 | DEFSYM (Qvoid_variable, "void-variable"); | |
3332 | DEFSYM (Qsetting_constant, "setting-constant"); | |
3333 | DEFSYM (Qinvalid_read_syntax, "invalid-read-syntax"); | |
3334 | ||
3335 | DEFSYM (Qinvalid_function, "invalid-function"); | |
3336 | DEFSYM (Qwrong_number_of_arguments, "wrong-number-of-arguments"); | |
3337 | DEFSYM (Qno_catch, "no-catch"); | |
3338 | DEFSYM (Qend_of_file, "end-of-file"); | |
3339 | DEFSYM (Qarith_error, "arith-error"); | |
3340 | DEFSYM (Qbeginning_of_buffer, "beginning-of-buffer"); | |
3341 | DEFSYM (Qend_of_buffer, "end-of-buffer"); | |
3342 | DEFSYM (Qbuffer_read_only, "buffer-read-only"); | |
3343 | DEFSYM (Qtext_read_only, "text-read-only"); | |
3344 | DEFSYM (Qmark_inactive, "mark-inactive"); | |
3345 | ||
3346 | DEFSYM (Qlistp, "listp"); | |
3347 | DEFSYM (Qconsp, "consp"); | |
3348 | DEFSYM (Qsymbolp, "symbolp"); | |
3349 | DEFSYM (Qkeywordp, "keywordp"); | |
3350 | DEFSYM (Qintegerp, "integerp"); | |
3351 | DEFSYM (Qnatnump, "natnump"); | |
3352 | DEFSYM (Qwholenump, "wholenump"); | |
3353 | DEFSYM (Qstringp, "stringp"); | |
3354 | DEFSYM (Qarrayp, "arrayp"); | |
3355 | DEFSYM (Qsequencep, "sequencep"); | |
3356 | DEFSYM (Qbufferp, "bufferp"); | |
3357 | DEFSYM (Qvectorp, "vectorp"); | |
3e0b94e7 | 3358 | DEFSYM (Qbool_vector_p, "bool-vector-p"); |
620c53a6 SM |
3359 | DEFSYM (Qchar_or_string_p, "char-or-string-p"); |
3360 | DEFSYM (Qmarkerp, "markerp"); | |
3361 | DEFSYM (Qbuffer_or_string_p, "buffer-or-string-p"); | |
3362 | DEFSYM (Qinteger_or_marker_p, "integer-or-marker-p"); | |
3363 | DEFSYM (Qboundp, "boundp"); | |
3364 | DEFSYM (Qfboundp, "fboundp"); | |
3365 | ||
3366 | DEFSYM (Qfloatp, "floatp"); | |
3367 | DEFSYM (Qnumberp, "numberp"); | |
3368 | DEFSYM (Qnumber_or_marker_p, "number-or-marker-p"); | |
3369 | ||
3370 | DEFSYM (Qchar_table_p, "char-table-p"); | |
3371 | DEFSYM (Qvector_or_char_table_p, "vector-or-char-table-p"); | |
3372 | ||
3373 | DEFSYM (Qsubrp, "subrp"); | |
3374 | DEFSYM (Qunevalled, "unevalled"); | |
3375 | DEFSYM (Qmany, "many"); | |
3376 | ||
3377 | DEFSYM (Qcdr, "cdr"); | |
3378 | ||
3379 | /* Handle automatic advice activation. */ | |
3380 | DEFSYM (Qad_advice_info, "ad-advice-info"); | |
3381 | DEFSYM (Qad_activate_internal, "ad-activate-internal"); | |
f845f2c9 | 3382 | |
d67b4f80 | 3383 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 3384 | |
620c53a6 SM |
3385 | /* ERROR is used as a signaler for random errors for which nothing else is |
3386 | right. */ | |
7921925c JB |
3387 | |
3388 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 3389 | error_tail); |
7921925c | 3390 | Fput (Qerror, Qerror_message, |
2a0213a6 | 3391 | build_pure_c_string ("error")); |
7921925c | 3392 | |
71873e2b SM |
3393 | #define PUT_ERROR(sym, tail, msg) \ |
3394 | Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \ | |
2a0213a6 | 3395 | Fput (sym, Qerror_message, build_pure_c_string (msg)) |
71873e2b SM |
3396 | |
3397 | PUT_ERROR (Qquit, Qnil, "Quit"); | |
3398 | ||
3399 | PUT_ERROR (Quser_error, error_tail, ""); | |
3400 | PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument"); | |
3401 | PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range"); | |
3402 | PUT_ERROR (Qvoid_function, error_tail, | |
3403 | "Symbol's function definition is void"); | |
3404 | PUT_ERROR (Qcyclic_function_indirection, error_tail, | |
3405 | "Symbol's chain of function indirections contains a loop"); | |
3406 | PUT_ERROR (Qcyclic_variable_indirection, error_tail, | |
3407 | "Symbol's chain of variable indirections contains a loop"); | |
620c53a6 | 3408 | DEFSYM (Qcircular_list, "circular-list"); |
71873e2b SM |
3409 | PUT_ERROR (Qcircular_list, error_tail, "List contains a loop"); |
3410 | PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void"); | |
3411 | PUT_ERROR (Qsetting_constant, error_tail, | |
3412 | "Attempt to set a constant symbol"); | |
3413 | PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax"); | |
3414 | PUT_ERROR (Qinvalid_function, error_tail, "Invalid function"); | |
3415 | PUT_ERROR (Qwrong_number_of_arguments, error_tail, | |
3416 | "Wrong number of arguments"); | |
3417 | PUT_ERROR (Qno_catch, error_tail, "No catch for tag"); | |
3418 | PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing"); | |
7921925c | 3419 | |
d67b4f80 | 3420 | arith_tail = pure_cons (Qarith_error, error_tail); |
71873e2b | 3421 | Fput (Qarith_error, Qerror_conditions, arith_tail); |
2a0213a6 | 3422 | Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error")); |
71873e2b SM |
3423 | |
3424 | PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer"); | |
3425 | PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer"); | |
3426 | PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only"); | |
3427 | PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail), | |
3428 | "Text is read-only"); | |
8f9f49d7 | 3429 | |
620c53a6 SM |
3430 | DEFSYM (Qrange_error, "range-error"); |
3431 | DEFSYM (Qdomain_error, "domain-error"); | |
3432 | DEFSYM (Qsingularity_error, "singularity-error"); | |
3433 | DEFSYM (Qoverflow_error, "overflow-error"); | |
3434 | DEFSYM (Qunderflow_error, "underflow-error"); | |
6315e761 | 3435 | |
71873e2b SM |
3436 | PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error"); |
3437 | ||
3438 | PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error"); | |
3439 | ||
3440 | PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail), | |
3441 | "Arithmetic singularity error"); | |
3442 | ||
3443 | PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail), | |
3444 | "Arithmetic overflow error"); | |
3445 | PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail), | |
3446 | "Arithmetic underflow error"); | |
6315e761 | 3447 | |
7921925c JB |
3448 | staticpro (&Qnil); |
3449 | staticpro (&Qt); | |
7921925c | 3450 | staticpro (&Qunbound); |
7921925c | 3451 | |
39bcc759 | 3452 | /* Types that type-of returns. */ |
620c53a6 SM |
3453 | DEFSYM (Qinteger, "integer"); |
3454 | DEFSYM (Qsymbol, "symbol"); | |
3455 | DEFSYM (Qstring, "string"); | |
3456 | DEFSYM (Qcons, "cons"); | |
3457 | DEFSYM (Qmarker, "marker"); | |
3458 | DEFSYM (Qoverlay, "overlay"); | |
3459 | DEFSYM (Qfloat, "float"); | |
3460 | DEFSYM (Qwindow_configuration, "window-configuration"); | |
3461 | DEFSYM (Qprocess, "process"); | |
3462 | DEFSYM (Qwindow, "window"); | |
620c53a6 SM |
3463 | DEFSYM (Qcompiled_function, "compiled-function"); |
3464 | DEFSYM (Qbuffer, "buffer"); | |
3465 | DEFSYM (Qframe, "frame"); | |
3466 | DEFSYM (Qvector, "vector"); | |
3467 | DEFSYM (Qchar_table, "char-table"); | |
3468 | DEFSYM (Qbool_vector, "bool-vector"); | |
3469 | DEFSYM (Qhash_table, "hash-table"); | |
3ab6e069 | 3470 | DEFSYM (Qmisc, "misc"); |
39bcc759 | 3471 | |
61b108cc SM |
3472 | DEFSYM (Qdefun, "defun"); |
3473 | ||
4e6f2626 CY |
3474 | DEFSYM (Qfont_spec, "font-spec"); |
3475 | DEFSYM (Qfont_entity, "font-entity"); | |
3476 | DEFSYM (Qfont_object, "font-object"); | |
3477 | ||
3860280a | 3478 | DEFSYM (Qinteractive_form, "interactive-form"); |
32e5c58c | 3479 | DEFSYM (Qdefalias_fset_function, "defalias-fset-function"); |
3860280a | 3480 | |
f35d5bad | 3481 | defsubr (&Sindirect_variable); |
6b61353c | 3482 | defsubr (&Sinteractive_form); |
7921925c JB |
3483 | defsubr (&Seq); |
3484 | defsubr (&Snull); | |
39bcc759 | 3485 | defsubr (&Stype_of); |
7921925c JB |
3486 | defsubr (&Slistp); |
3487 | defsubr (&Snlistp); | |
3488 | defsubr (&Sconsp); | |
3489 | defsubr (&Satom); | |
3490 | defsubr (&Sintegerp); | |
464f8898 | 3491 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3492 | defsubr (&Snumberp); |
3493 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3494 | defsubr (&Sfloatp); |
7921925c JB |
3495 | defsubr (&Snatnump); |
3496 | defsubr (&Ssymbolp); | |
cda9b832 | 3497 | defsubr (&Skeywordp); |
7921925c | 3498 | defsubr (&Sstringp); |
0f56470d | 3499 | defsubr (&Smultibyte_string_p); |
7921925c | 3500 | defsubr (&Svectorp); |
4d276982 | 3501 | defsubr (&Schar_table_p); |
7f0edce7 | 3502 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3503 | defsubr (&Sbool_vector_p); |
7921925c JB |
3504 | defsubr (&Sarrayp); |
3505 | defsubr (&Ssequencep); | |
3506 | defsubr (&Sbufferp); | |
3507 | defsubr (&Smarkerp); | |
7921925c | 3508 | defsubr (&Ssubrp); |
dbc4e1c1 | 3509 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3510 | defsubr (&Schar_or_string_p); |
3511 | defsubr (&Scar); | |
3512 | defsubr (&Scdr); | |
3513 | defsubr (&Scar_safe); | |
3514 | defsubr (&Scdr_safe); | |
3515 | defsubr (&Ssetcar); | |
3516 | defsubr (&Ssetcdr); | |
3517 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3518 | defsubr (&Sindirect_function); |
7921925c JB |
3519 | defsubr (&Ssymbol_plist); |
3520 | defsubr (&Ssymbol_name); | |
3521 | defsubr (&Smakunbound); | |
3522 | defsubr (&Sfmakunbound); | |
3523 | defsubr (&Sboundp); | |
3524 | defsubr (&Sfboundp); | |
3525 | defsubr (&Sfset); | |
80df38a2 | 3526 | defsubr (&Sdefalias); |
7921925c JB |
3527 | defsubr (&Ssetplist); |
3528 | defsubr (&Ssymbol_value); | |
3529 | defsubr (&Sset); | |
3530 | defsubr (&Sdefault_boundp); | |
3531 | defsubr (&Sdefault_value); | |
3532 | defsubr (&Sset_default); | |
3533 | defsubr (&Ssetq_default); | |
3534 | defsubr (&Smake_variable_buffer_local); | |
3535 | defsubr (&Smake_local_variable); | |
3536 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3537 | defsubr (&Smake_variable_frame_local); |
62476adc | 3538 | defsubr (&Slocal_variable_p); |
f4f04cee | 3539 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3540 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3541 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3542 | defsubr (&Sterminal_local_value); |
3543 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3544 | #endif |
7921925c JB |
3545 | defsubr (&Saref); |
3546 | defsubr (&Saset); | |
f2980264 | 3547 | defsubr (&Snumber_to_string); |
25e40a4b | 3548 | defsubr (&Sstring_to_number); |
7921925c JB |
3549 | defsubr (&Seqlsign); |
3550 | defsubr (&Slss); | |
3551 | defsubr (&Sgtr); | |
3552 | defsubr (&Sleq); | |
3553 | defsubr (&Sgeq); | |
3554 | defsubr (&Sneq); | |
3555 | defsubr (&Szerop); | |
3556 | defsubr (&Splus); | |
3557 | defsubr (&Sminus); | |
3558 | defsubr (&Stimes); | |
3559 | defsubr (&Squo); | |
3560 | defsubr (&Srem); | |
44fa9da5 | 3561 | defsubr (&Smod); |
7921925c JB |
3562 | defsubr (&Smax); |
3563 | defsubr (&Smin); | |
3564 | defsubr (&Slogand); | |
3565 | defsubr (&Slogior); | |
3566 | defsubr (&Slogxor); | |
3567 | defsubr (&Slsh); | |
3568 | defsubr (&Sash); | |
3569 | defsubr (&Sadd1); | |
3570 | defsubr (&Ssub1); | |
3571 | defsubr (&Slognot); | |
6b61353c | 3572 | defsubr (&Sbyteorder); |
6f0e897f | 3573 | defsubr (&Ssubr_arity); |
0fddae66 | 3574 | defsubr (&Ssubr_name); |
8e86942b | 3575 | |
3e0b94e7 DC |
3576 | defsubr (&Sbool_vector_exclusive_or); |
3577 | defsubr (&Sbool_vector_union); | |
3578 | defsubr (&Sbool_vector_intersection); | |
3579 | defsubr (&Sbool_vector_set_difference); | |
3580 | defsubr (&Sbool_vector_not); | |
3581 | defsubr (&Sbool_vector_subsetp); | |
3582 | defsubr (&Sbool_vector_count_matches); | |
3583 | defsubr (&Sbool_vector_count_matches_at); | |
3584 | ||
c644523b | 3585 | set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function); |
e6190b11 | 3586 | |
29208e82 | 3587 | DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum, |
9d113d9d AS |
3588 | doc: /* The largest value that is representable in a Lisp integer. */); |
3589 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3590 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3591 | |
29208e82 | 3592 | DEFVAR_LISP ("most-negative-fixnum", Vmost_negative_fixnum, |
9d113d9d AS |
3593 | doc: /* The smallest value that is representable in a Lisp integer. */); |
3594 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3595 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c | 3596 | } |