Commit | Line | Data |
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7921925c | 1 | /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter. |
ba318903 | 2 | Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2014 Free Software |
ab422c4d | 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; |
454e2fb9 | 44 | static Lisp_Object Qwrong_length_argument; |
955cbe7b PE |
45 | static Lisp_Object Qwrong_type_argument; |
46 | Lisp_Object Qvoid_variable, Qvoid_function; | |
47 | static Lisp_Object Qcyclic_function_indirection; | |
48 | static Lisp_Object Qcyclic_variable_indirection; | |
49 | Lisp_Object Qcircular_list; | |
50 | static Lisp_Object Qsetting_constant; | |
51 | Lisp_Object Qinvalid_read_syntax; | |
7921925c | 52 | Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; |
3b8819d6 | 53 | Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
7921925c | 54 | Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
8f9f49d7 | 55 | Lisp_Object Qtext_read_only; |
6b61353c | 56 | |
955cbe7b PE |
57 | Lisp_Object Qintegerp, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
58 | static Lisp_Object Qnatnump; | |
7921925c JB |
59 | Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
60 | Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; | |
3e0b94e7 | 61 | Lisp_Object Qbool_vector_p; |
955cbe7b PE |
62 | Lisp_Object Qbuffer_or_string_p; |
63 | static Lisp_Object Qkeywordp, Qboundp; | |
64 | Lisp_Object Qfboundp; | |
7f0edce7 | 65 | Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
39bcc759 | 66 | |
7921925c | 67 | Lisp_Object Qcdr; |
955cbe7b | 68 | static Lisp_Object Qad_advice_info, Qad_activate_internal; |
7921925c | 69 | |
c990426a PE |
70 | static Lisp_Object Qdomain_error, Qsingularity_error, Qunderflow_error; |
71 | Lisp_Object Qrange_error, Qoverflow_error; | |
6315e761 | 72 | |
464f8898 | 73 | Lisp_Object Qfloatp; |
7921925c | 74 | Lisp_Object Qnumberp, Qnumber_or_marker_p; |
7921925c | 75 | |
b52d6985 PE |
76 | Lisp_Object Qinteger, Qsymbol; |
77 | static Lisp_Object Qcons, Qfloat, Qmisc, Qstring, Qvector; | |
e6cba650 | 78 | Lisp_Object Qwindow; |
3ab6e069 DA |
79 | static Lisp_Object Qoverlay, Qwindow_configuration; |
80 | static Lisp_Object Qprocess, Qmarker; | |
81 | static Lisp_Object Qcompiled_function, Qframe; | |
4b66faf3 | 82 | Lisp_Object Qbuffer; |
81dc5de5 | 83 | static Lisp_Object Qchar_table, Qbool_vector, Qhash_table; |
84575e67 PE |
84 | static Lisp_Object Qsubrp; |
85 | static Lisp_Object Qmany, Qunevalled; | |
4e6f2626 | 86 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
61b108cc | 87 | static Lisp_Object Qdefun; |
39bcc759 | 88 | |
12cc4337 PE |
89 | Lisp_Object Qinteractive_form; |
90 | static Lisp_Object Qdefalias_fset_function; | |
3860280a | 91 | |
ce5b453a | 92 | static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *); |
d02eeab3 | 93 | |
84575e67 PE |
94 | static bool |
95 | BOOLFWDP (union Lisp_Fwd *a) | |
96 | { | |
97 | return XFWDTYPE (a) == Lisp_Fwd_Bool; | |
98 | } | |
99 | static bool | |
100 | INTFWDP (union Lisp_Fwd *a) | |
101 | { | |
102 | return XFWDTYPE (a) == Lisp_Fwd_Int; | |
103 | } | |
104 | static bool | |
105 | KBOARD_OBJFWDP (union Lisp_Fwd *a) | |
106 | { | |
107 | return XFWDTYPE (a) == Lisp_Fwd_Kboard_Obj; | |
108 | } | |
109 | static bool | |
110 | OBJFWDP (union Lisp_Fwd *a) | |
111 | { | |
112 | return XFWDTYPE (a) == Lisp_Fwd_Obj; | |
113 | } | |
114 | ||
115 | static struct Lisp_Boolfwd * | |
116 | XBOOLFWD (union Lisp_Fwd *a) | |
117 | { | |
118 | eassert (BOOLFWDP (a)); | |
119 | return &a->u_boolfwd; | |
120 | } | |
121 | static struct Lisp_Kboard_Objfwd * | |
122 | XKBOARD_OBJFWD (union Lisp_Fwd *a) | |
123 | { | |
124 | eassert (KBOARD_OBJFWDP (a)); | |
125 | return &a->u_kboard_objfwd; | |
126 | } | |
127 | static struct Lisp_Intfwd * | |
128 | XINTFWD (union Lisp_Fwd *a) | |
129 | { | |
130 | eassert (INTFWDP (a)); | |
131 | return &a->u_intfwd; | |
132 | } | |
133 | static struct Lisp_Objfwd * | |
134 | XOBJFWD (union Lisp_Fwd *a) | |
135 | { | |
136 | eassert (OBJFWDP (a)); | |
137 | return &a->u_objfwd; | |
138 | } | |
139 | ||
140 | static void | |
141 | CHECK_SUBR (Lisp_Object x) | |
142 | { | |
143 | CHECK_TYPE (SUBRP (x), Qsubrp, x); | |
144 | } | |
145 | ||
146 | static void | |
147 | set_blv_found (struct Lisp_Buffer_Local_Value *blv, int found) | |
148 | { | |
149 | eassert (found == !EQ (blv->defcell, blv->valcell)); | |
150 | blv->found = found; | |
151 | } | |
152 | ||
153 | static Lisp_Object | |
154 | blv_value (struct Lisp_Buffer_Local_Value *blv) | |
155 | { | |
156 | return XCDR (blv->valcell); | |
157 | } | |
158 | ||
159 | static void | |
160 | set_blv_value (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
161 | { | |
162 | XSETCDR (blv->valcell, val); | |
163 | } | |
164 | ||
165 | static void | |
166 | set_blv_where (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
167 | { | |
168 | blv->where = val; | |
169 | } | |
170 | ||
171 | static void | |
172 | set_blv_defcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
173 | { | |
174 | blv->defcell = val; | |
175 | } | |
176 | ||
177 | static void | |
178 | set_blv_valcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
179 | { | |
180 | blv->valcell = val; | |
181 | } | |
13d95cc0 | 182 | |
454e2fb9 PE |
183 | static _Noreturn void |
184 | wrong_length_argument (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) | |
185 | { | |
186 | Lisp_Object size1 = make_number (bool_vector_size (a1)); | |
187 | Lisp_Object size2 = make_number (bool_vector_size (a2)); | |
188 | if (NILP (a3)) | |
189 | xsignal2 (Qwrong_length_argument, size1, size2); | |
190 | else | |
191 | xsignal3 (Qwrong_length_argument, size1, size2, | |
192 | make_number (bool_vector_size (a3))); | |
193 | } | |
194 | ||
7921925c | 195 | Lisp_Object |
971de7fb | 196 | wrong_type_argument (register Lisp_Object predicate, register Lisp_Object value) |
7921925c | 197 | { |
2de9f71c SM |
198 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
199 | where we can get a backtrace showing where it came from. We used | |
200 | to try and do that by checking the tagbits, but nowadays all | |
201 | tagbits are potentially valid. */ | |
202 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
1088b922 | 203 | * emacs_abort (); */ |
e1351ff7 | 204 | |
740ef0b5 | 205 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
206 | } |
207 | ||
dfcf069d | 208 | void |
a8a7c5f6 | 209 | pure_write_error (Lisp_Object obj) |
7921925c | 210 | { |
3d5ee10a | 211 | xsignal2 (Qerror, build_string ("Attempt to modify read-only object"), obj); |
7921925c JB |
212 | } |
213 | ||
214 | void | |
971de7fb | 215 | args_out_of_range (Lisp_Object a1, Lisp_Object a2) |
7921925c | 216 | { |
740ef0b5 | 217 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
218 | } |
219 | ||
220 | void | |
971de7fb | 221 | args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) |
7921925c | 222 | { |
740ef0b5 | 223 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
224 | } |
225 | ||
7921925c | 226 | \f |
61b108cc | 227 | /* Data type predicates. */ |
7921925c JB |
228 | |
229 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 | 230 | doc: /* Return t if the two args are the same Lisp object. */) |
5842a27b | 231 | (Lisp_Object obj1, Lisp_Object obj2) |
7921925c JB |
232 | { |
233 | if (EQ (obj1, obj2)) | |
234 | return Qt; | |
235 | return Qnil; | |
236 | } | |
237 | ||
8c1a1077 PJ |
238 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
239 | doc: /* Return t if OBJECT is nil. */) | |
5842a27b | 240 | (Lisp_Object object) |
7921925c | 241 | { |
39bcc759 | 242 | if (NILP (object)) |
7921925c JB |
243 | return Qt; |
244 | return Qnil; | |
245 | } | |
246 | ||
39bcc759 | 247 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
248 | doc: /* Return a symbol representing the type of OBJECT. |
249 | The symbol returned names the object's basic type; | |
250 | for example, (type-of 1) returns `integer'. */) | |
5842a27b | 251 | (Lisp_Object object) |
39bcc759 | 252 | { |
8e50cc2d | 253 | switch (XTYPE (object)) |
39bcc759 | 254 | { |
2de9f71c | 255 | case_Lisp_Int: |
39bcc759 RS |
256 | return Qinteger; |
257 | ||
258 | case Lisp_Symbol: | |
259 | return Qsymbol; | |
260 | ||
261 | case Lisp_String: | |
262 | return Qstring; | |
263 | ||
264 | case Lisp_Cons: | |
265 | return Qcons; | |
266 | ||
267 | case Lisp_Misc: | |
324a6eef | 268 | switch (XMISCTYPE (object)) |
39bcc759 RS |
269 | { |
270 | case Lisp_Misc_Marker: | |
271 | return Qmarker; | |
272 | case Lisp_Misc_Overlay: | |
273 | return Qoverlay; | |
274 | case Lisp_Misc_Float: | |
275 | return Qfloat; | |
276 | } | |
1088b922 | 277 | emacs_abort (); |
39bcc759 RS |
278 | |
279 | case Lisp_Vectorlike: | |
8e50cc2d | 280 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 281 | return Qwindow_configuration; |
8e50cc2d | 282 | if (PROCESSP (object)) |
39bcc759 | 283 | return Qprocess; |
8e50cc2d | 284 | if (WINDOWP (object)) |
39bcc759 | 285 | return Qwindow; |
8e50cc2d | 286 | if (SUBRP (object)) |
39bcc759 | 287 | return Qsubr; |
876c194c SM |
288 | if (COMPILEDP (object)) |
289 | return Qcompiled_function; | |
8e50cc2d | 290 | if (BUFFERP (object)) |
39bcc759 | 291 | return Qbuffer; |
8e50cc2d | 292 | if (CHAR_TABLE_P (object)) |
fc67d5be | 293 | return Qchar_table; |
8e50cc2d | 294 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 295 | return Qbool_vector; |
8e50cc2d | 296 | if (FRAMEP (object)) |
39bcc759 | 297 | return Qframe; |
8e50cc2d | 298 | if (HASH_TABLE_P (object)) |
81dc5de5 | 299 | return Qhash_table; |
4e6f2626 CY |
300 | if (FONT_SPEC_P (object)) |
301 | return Qfont_spec; | |
302 | if (FONT_ENTITY_P (object)) | |
303 | return Qfont_entity; | |
304 | if (FONT_OBJECT_P (object)) | |
305 | return Qfont_object; | |
39bcc759 RS |
306 | return Qvector; |
307 | ||
39bcc759 RS |
308 | case Lisp_Float: |
309 | return Qfloat; | |
39bcc759 RS |
310 | |
311 | default: | |
1088b922 | 312 | emacs_abort (); |
39bcc759 RS |
313 | } |
314 | } | |
315 | ||
8c1a1077 PJ |
316 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
317 | doc: /* Return t if OBJECT is a cons cell. */) | |
5842a27b | 318 | (Lisp_Object object) |
7921925c | 319 | { |
39bcc759 | 320 | if (CONSP (object)) |
7921925c JB |
321 | return Qt; |
322 | return Qnil; | |
323 | } | |
324 | ||
25638b07 | 325 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 | 326 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
5842a27b | 327 | (Lisp_Object object) |
7921925c | 328 | { |
39bcc759 | 329 | if (CONSP (object)) |
7921925c JB |
330 | return Qnil; |
331 | return Qt; | |
332 | } | |
333 | ||
25638b07 | 334 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
335 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
336 | Otherwise, return nil. */) | |
5842a27b | 337 | (Lisp_Object object) |
7921925c | 338 | { |
39bcc759 | 339 | if (CONSP (object) || NILP (object)) |
7921925c JB |
340 | return Qt; |
341 | return Qnil; | |
342 | } | |
343 | ||
25638b07 | 344 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 | 345 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
5842a27b | 346 | (Lisp_Object object) |
7921925c | 347 | { |
39bcc759 | 348 | if (CONSP (object) || NILP (object)) |
7921925c JB |
349 | return Qnil; |
350 | return Qt; | |
351 | } | |
352 | \f | |
25638b07 | 353 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 | 354 | doc: /* Return t if OBJECT is a symbol. */) |
5842a27b | 355 | (Lisp_Object object) |
7921925c | 356 | { |
39bcc759 | 357 | if (SYMBOLP (object)) |
7921925c JB |
358 | return Qt; |
359 | return Qnil; | |
360 | } | |
361 | ||
cda9b832 DL |
362 | /* Define this in C to avoid unnecessarily consing up the symbol |
363 | name. */ | |
364 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
365 | doc: /* Return t if OBJECT is a keyword. |
366 | This means that it is a symbol with a print name beginning with `:' | |
367 | interned in the initial obarray. */) | |
5842a27b | 368 | (Lisp_Object object) |
cda9b832 DL |
369 | { |
370 | if (SYMBOLP (object) | |
d5db4077 | 371 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 372 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
373 | return Qt; |
374 | return Qnil; | |
375 | } | |
376 | ||
25638b07 | 377 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 | 378 | doc: /* Return t if OBJECT is a vector. */) |
5842a27b | 379 | (Lisp_Object object) |
7921925c | 380 | { |
39bcc759 | 381 | if (VECTORP (object)) |
7921925c JB |
382 | return Qt; |
383 | return Qnil; | |
384 | } | |
385 | ||
25638b07 | 386 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 | 387 | doc: /* Return t if OBJECT is a string. */) |
5842a27b | 388 | (Lisp_Object object) |
7921925c | 389 | { |
39bcc759 | 390 | if (STRINGP (object)) |
7921925c JB |
391 | return Qt; |
392 | return Qnil; | |
393 | } | |
394 | ||
25638b07 | 395 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 | 396 | 1, 1, 0, |
3323c263 EZ |
397 | doc: /* Return t if OBJECT is a multibyte string. |
398 | Return nil if OBJECT is either a unibyte string, or not a string. */) | |
5842a27b | 399 | (Lisp_Object object) |
25638b07 RS |
400 | { |
401 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
402 | return Qt; | |
403 | return Qnil; | |
404 | } | |
405 | ||
406 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 | 407 | doc: /* Return t if OBJECT is a char-table. */) |
5842a27b | 408 | (Lisp_Object object) |
4d276982 RS |
409 | { |
410 | if (CHAR_TABLE_P (object)) | |
411 | return Qt; | |
412 | return Qnil; | |
413 | } | |
414 | ||
7f0edce7 RS |
415 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
416 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 | 417 | doc: /* Return t if OBJECT is a char-table or vector. */) |
5842a27b | 418 | (Lisp_Object object) |
7f0edce7 RS |
419 | { |
420 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
421 | return Qt; | |
422 | return Qnil; | |
423 | } | |
424 | ||
8c1a1077 PJ |
425 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
426 | doc: /* Return t if OBJECT is a bool-vector. */) | |
5842a27b | 427 | (Lisp_Object object) |
4d276982 RS |
428 | { |
429 | if (BOOL_VECTOR_P (object)) | |
430 | return Qt; | |
431 | return Qnil; | |
432 | } | |
433 | ||
8c1a1077 PJ |
434 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
435 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
5842a27b | 436 | (Lisp_Object object) |
7921925c | 437 | { |
0c64a8cd | 438 | if (ARRAYP (object)) |
7921925c JB |
439 | return Qt; |
440 | return Qnil; | |
441 | } | |
442 | ||
443 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 | 444 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
5842a27b | 445 | (register Lisp_Object object) |
7921925c | 446 | { |
0c64a8cd | 447 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
448 | return Qt; |
449 | return Qnil; | |
450 | } | |
451 | ||
8c1a1077 PJ |
452 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
453 | doc: /* Return t if OBJECT is an editor buffer. */) | |
5842a27b | 454 | (Lisp_Object object) |
7921925c | 455 | { |
39bcc759 | 456 | if (BUFFERP (object)) |
7921925c JB |
457 | return Qt; |
458 | return Qnil; | |
459 | } | |
460 | ||
8c1a1077 PJ |
461 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
462 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
5842a27b | 463 | (Lisp_Object object) |
7921925c | 464 | { |
39bcc759 | 465 | if (MARKERP (object)) |
7921925c JB |
466 | return Qt; |
467 | return Qnil; | |
468 | } | |
469 | ||
8c1a1077 PJ |
470 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
471 | doc: /* Return t if OBJECT is a built-in function. */) | |
5842a27b | 472 | (Lisp_Object object) |
7921925c | 473 | { |
39bcc759 | 474 | if (SUBRP (object)) |
7921925c JB |
475 | return Qt; |
476 | return Qnil; | |
477 | } | |
478 | ||
dbc4e1c1 | 479 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
480 | 1, 1, 0, |
481 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
5842a27b | 482 | (Lisp_Object object) |
7921925c | 483 | { |
39bcc759 | 484 | if (COMPILEDP (object)) |
7921925c JB |
485 | return Qt; |
486 | return Qnil; | |
487 | } | |
488 | ||
0321d75c | 489 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 490 | doc: /* Return t if OBJECT is a character or a string. */) |
5842a27b | 491 | (register Lisp_Object object) |
7921925c | 492 | { |
cfd70f33 | 493 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
494 | return Qt; |
495 | return Qnil; | |
496 | } | |
497 | \f | |
8c1a1077 PJ |
498 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
499 | doc: /* Return t if OBJECT is an integer. */) | |
5842a27b | 500 | (Lisp_Object object) |
7921925c | 501 | { |
39bcc759 | 502 | if (INTEGERP (object)) |
7921925c JB |
503 | return Qt; |
504 | return Qnil; | |
505 | } | |
506 | ||
464f8898 | 507 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 | 508 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
5842a27b | 509 | (register Lisp_Object object) |
7921925c | 510 | { |
39bcc759 | 511 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
512 | return Qt; |
513 | return Qnil; | |
514 | } | |
515 | ||
0321d75c | 516 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 | 517 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
5842a27b | 518 | (Lisp_Object object) |
7921925c | 519 | { |
39bcc759 | 520 | if (NATNUMP (object)) |
7921925c JB |
521 | return Qt; |
522 | return Qnil; | |
523 | } | |
524 | ||
525 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 | 526 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
5842a27b | 527 | (Lisp_Object object) |
7921925c | 528 | { |
39bcc759 | 529 | if (NUMBERP (object)) |
7921925c | 530 | return Qt; |
dbc4e1c1 JB |
531 | else |
532 | return Qnil; | |
7921925c JB |
533 | } |
534 | ||
535 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
536 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 | 537 | doc: /* Return t if OBJECT is a number or a marker. */) |
5842a27b | 538 | (Lisp_Object object) |
7921925c | 539 | { |
39bcc759 | 540 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
541 | return Qt; |
542 | return Qnil; | |
543 | } | |
464f8898 | 544 | |
464f8898 | 545 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 | 546 | doc: /* Return t if OBJECT is a floating point number. */) |
5842a27b | 547 | (Lisp_Object object) |
464f8898 | 548 | { |
39bcc759 | 549 | if (FLOATP (object)) |
464f8898 RS |
550 | return Qt; |
551 | return Qnil; | |
552 | } | |
cc94f3b2 | 553 | |
7921925c | 554 | \f |
32e5c58c | 555 | /* Extract and set components of lists. */ |
7921925c | 556 | |
a7ca3326 | 557 | DEFUN ("car", Fcar, Scar, 1, 1, 0, |
8c1a1077 | 558 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
559 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
560 | ||
da46c5be LT |
561 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
562 | Lisp concepts such as car, cdr, cons cell and list. */) | |
5842a27b | 563 | (register Lisp_Object list) |
7921925c | 564 | { |
0c64a8cd | 565 | return CAR (list); |
7921925c JB |
566 | } |
567 | ||
a7ca3326 | 568 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, |
8c1a1077 | 569 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 570 | (Lisp_Object object) |
7921925c | 571 | { |
0c64a8cd | 572 | return CAR_SAFE (object); |
7921925c JB |
573 | } |
574 | ||
a7ca3326 | 575 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, |
8c1a1077 | 576 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
577 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
578 | ||
da46c5be LT |
579 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
580 | Lisp concepts such as cdr, car, cons cell and list. */) | |
5842a27b | 581 | (register Lisp_Object list) |
7921925c | 582 | { |
0c64a8cd | 583 | return CDR (list); |
7921925c JB |
584 | } |
585 | ||
a7ca3326 | 586 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, |
8c1a1077 | 587 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 588 | (Lisp_Object object) |
7921925c | 589 | { |
0c64a8cd | 590 | return CDR_SAFE (object); |
7921925c JB |
591 | } |
592 | ||
a7ca3326 | 593 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, |
8c1a1077 | 594 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
5842a27b | 595 | (register Lisp_Object cell, Lisp_Object newcar) |
7921925c | 596 | { |
0c64a8cd | 597 | CHECK_CONS (cell); |
7921925c | 598 | CHECK_IMPURE (cell); |
f3fbd155 | 599 | XSETCAR (cell, newcar); |
7921925c JB |
600 | return newcar; |
601 | } | |
602 | ||
a7ca3326 | 603 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, |
8c1a1077 | 604 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
5842a27b | 605 | (register Lisp_Object cell, Lisp_Object newcdr) |
7921925c | 606 | { |
0c64a8cd | 607 | CHECK_CONS (cell); |
7921925c | 608 | CHECK_IMPURE (cell); |
f3fbd155 | 609 | XSETCDR (cell, newcdr); |
7921925c JB |
610 | return newcdr; |
611 | } | |
612 | \f | |
1ec4b7b2 | 613 | /* Extract and set components of symbols. */ |
7921925c | 614 | |
a7ca3326 | 615 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
a9de9f0c GM |
616 | doc: /* Return t if SYMBOL's value is not void. |
617 | Note that if `lexical-binding' is in effect, this refers to the | |
618 | global value outside of any lexical scope. */) | |
5842a27b | 619 | (register Lisp_Object symbol) |
7921925c JB |
620 | { |
621 | Lisp_Object valcontents; | |
ce5b453a | 622 | struct Lisp_Symbol *sym; |
b7826503 | 623 | CHECK_SYMBOL (symbol); |
ce5b453a | 624 | sym = XSYMBOL (symbol); |
7921925c | 625 | |
ce5b453a SM |
626 | start: |
627 | switch (sym->redirect) | |
628 | { | |
629 | case SYMBOL_PLAINVAL: valcontents = SYMBOL_VAL (sym); break; | |
630 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
631 | case SYMBOL_LOCALIZED: | |
632 | { | |
633 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
634 | if (blv->fwd) | |
635 | /* In set_internal, we un-forward vars when their value is | |
7be68de5 | 636 | set to Qunbound. */ |
ce5b453a SM |
637 | return Qt; |
638 | else | |
639 | { | |
640 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 641 | valcontents = blv_value (blv); |
ce5b453a SM |
642 | } |
643 | break; | |
644 | } | |
645 | case SYMBOL_FORWARDED: | |
646 | /* In set_internal, we un-forward vars when their value is | |
7be68de5 | 647 | set to Qunbound. */ |
ce5b453a | 648 | return Qt; |
1088b922 | 649 | default: emacs_abort (); |
ce5b453a | 650 | } |
7921925c | 651 | |
1bfcade3 | 652 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
653 | } |
654 | ||
eadf1faa | 655 | /* FIXME: Make it an alias for function-symbol! */ |
a7ca3326 | 656 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
8c1a1077 | 657 | doc: /* Return t if SYMBOL's function definition is not void. */) |
5842a27b | 658 | (register Lisp_Object symbol) |
7921925c | 659 | { |
b7826503 | 660 | CHECK_SYMBOL (symbol); |
eadf1faa | 661 | return NILP (XSYMBOL (symbol)->function) ? Qnil : Qt; |
7921925c JB |
662 | } |
663 | ||
8c1a1077 | 664 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
665 | doc: /* Make SYMBOL's value be void. |
666 | Return SYMBOL. */) | |
5842a27b | 667 | (register Lisp_Object symbol) |
7921925c | 668 | { |
b7826503 | 669 | CHECK_SYMBOL (symbol); |
64ec26d6 | 670 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 671 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
672 | Fset (symbol, Qunbound); |
673 | return symbol; | |
7921925c JB |
674 | } |
675 | ||
8c1a1077 | 676 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
eadf1faa | 677 | doc: /* Make SYMBOL's function definition be nil. |
bfb96cb7 | 678 | Return SYMBOL. */) |
5842a27b | 679 | (register Lisp_Object symbol) |
7921925c | 680 | { |
b7826503 | 681 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 682 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 683 | xsignal1 (Qsetting_constant, symbol); |
eadf1faa | 684 | set_symbol_function (symbol, Qnil); |
d9c2a0f2 | 685 | return symbol; |
7921925c JB |
686 | } |
687 | ||
a7ca3326 | 688 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, |
0f1d2934 | 689 | doc: /* Return SYMBOL's function definition, or nil if that is void. */) |
5842a27b | 690 | (register Lisp_Object symbol) |
7921925c | 691 | { |
b7826503 | 692 | CHECK_SYMBOL (symbol); |
39a035e8 | 693 | return XSYMBOL (symbol)->function; |
7921925c JB |
694 | } |
695 | ||
8c1a1077 PJ |
696 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
697 | doc: /* Return SYMBOL's property list. */) | |
5842a27b | 698 | (register Lisp_Object symbol) |
7921925c | 699 | { |
b7826503 | 700 | CHECK_SYMBOL (symbol); |
c644523b | 701 | return XSYMBOL (symbol)->plist; |
7921925c JB |
702 | } |
703 | ||
a7ca3326 | 704 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
8c1a1077 | 705 | doc: /* Return SYMBOL's name, a string. */) |
5842a27b | 706 | (register Lisp_Object symbol) |
7921925c JB |
707 | { |
708 | register Lisp_Object name; | |
709 | ||
b7826503 | 710 | CHECK_SYMBOL (symbol); |
84023177 | 711 | name = SYMBOL_NAME (symbol); |
7921925c JB |
712 | return name; |
713 | } | |
714 | ||
a7ca3326 | 715 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, |
8c1a1077 | 716 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
5842a27b | 717 | (register Lisp_Object symbol, Lisp_Object definition) |
d9c2a0f2 | 718 | { |
764ea377 | 719 | register Lisp_Object function; |
b7826503 | 720 | CHECK_SYMBOL (symbol); |
764ea377 | 721 | |
c644523b | 722 | function = XSYMBOL (symbol)->function; |
764ea377 | 723 | |
eadf1faa | 724 | if (!NILP (Vautoload_queue) && !NILP (function)) |
764ea377 JB |
725 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); |
726 | ||
32e5c58c | 727 | if (AUTOLOADP (function)) |
764ea377 JB |
728 | Fput (symbol, Qautoload, XCDR (function)); |
729 | ||
c644523b | 730 | set_symbol_function (symbol, definition); |
32e5c58c | 731 | |
8c0b5540 | 732 | return definition; |
7921925c JB |
733 | } |
734 | ||
d2fde41d | 735 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, |
1053a871 | 736 | doc: /* Set SYMBOL's function definition to DEFINITION. |
96143227 RS |
737 | Associates the function with the current load file, if any. |
738 | The optional third argument DOCSTRING specifies the documentation string | |
739 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
1053a871 | 740 | determined by DEFINITION. |
189e7007 GM |
741 | |
742 | Internally, this normally uses `fset', but if SYMBOL has a | |
743 | `defalias-fset-function' property, the associated value is used instead. | |
744 | ||
1053a871 | 745 | The return value is undefined. */) |
5842a27b | 746 | (register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring) |
fc08c367 | 747 | { |
8a658a52 | 748 | CHECK_SYMBOL (symbol); |
61b108cc SM |
749 | if (!NILP (Vpurify_flag) |
750 | /* If `definition' is a keymap, immutable (and copying) is wrong. */ | |
751 | && !KEYMAPP (definition)) | |
752 | definition = Fpurecopy (definition); | |
32e5c58c SM |
753 | |
754 | { | |
755 | bool autoload = AUTOLOADP (definition); | |
756 | if (NILP (Vpurify_flag) || !autoload) | |
757 | { /* Only add autoload entries after dumping, because the ones before are | |
758 | not useful and else we get loads of them from the loaddefs.el. */ | |
759 | ||
760 | if (AUTOLOADP (XSYMBOL (symbol)->function)) | |
761 | /* Remember that the function was already an autoload. */ | |
762 | LOADHIST_ATTACH (Fcons (Qt, symbol)); | |
763 | LOADHIST_ATTACH (Fcons (autoload ? Qautoload : Qdefun, symbol)); | |
764 | } | |
765 | } | |
766 | ||
767 | { /* Handle automatic advice activation. */ | |
768 | Lisp_Object hook = Fget (symbol, Qdefalias_fset_function); | |
769 | if (!NILP (hook)) | |
770 | call2 (hook, symbol, definition); | |
771 | else | |
772 | Ffset (symbol, definition); | |
773 | } | |
774 | ||
d2fde41d SM |
775 | if (!NILP (docstring)) |
776 | Fput (symbol, Qfunction_documentation, docstring); | |
1053a871 SM |
777 | /* We used to return `definition', but now that `defun' and `defmacro' expand |
778 | to a call to `defalias', we return `symbol' for backward compatibility | |
779 | (bug#11686). */ | |
780 | return symbol; | |
fc08c367 RS |
781 | } |
782 | ||
7921925c | 783 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 784 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
5842a27b | 785 | (register Lisp_Object symbol, Lisp_Object newplist) |
7921925c | 786 | { |
b7826503 | 787 | CHECK_SYMBOL (symbol); |
c644523b | 788 | set_symbol_plist (symbol, newplist); |
7921925c JB |
789 | return newplist; |
790 | } | |
ffd56f97 | 791 | |
6f0e897f | 792 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
793 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
794 | SUBR must be a built-in function. | |
795 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
796 | of args. MAX is the maximum number or the symbol `many', for a | |
797 | function with `&rest' args, or `unevalled' for a special form. */) | |
5842a27b | 798 | (Lisp_Object subr) |
6f0e897f DL |
799 | { |
800 | short minargs, maxargs; | |
0c64a8cd | 801 | CHECK_SUBR (subr); |
6f0e897f DL |
802 | minargs = XSUBR (subr)->min_args; |
803 | maxargs = XSUBR (subr)->max_args; | |
32e5c58c SM |
804 | return Fcons (make_number (minargs), |
805 | maxargs == MANY ? Qmany | |
806 | : maxargs == UNEVALLED ? Qunevalled | |
807 | : make_number (maxargs)); | |
6f0e897f DL |
808 | } |
809 | ||
0fddae66 SM |
810 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
811 | doc: /* Return name of subroutine SUBR. | |
812 | SUBR must be a built-in function. */) | |
5842a27b | 813 | (Lisp_Object subr) |
0fddae66 SM |
814 | { |
815 | const char *name; | |
0c64a8cd | 816 | CHECK_SUBR (subr); |
0fddae66 | 817 | name = XSUBR (subr)->symbol_name; |
f3e92b69 | 818 | return build_string (name); |
0fddae66 SM |
819 | } |
820 | ||
a7ca3326 | 821 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
6b61353c | 822 | doc: /* Return the interactive form of CMD or nil if none. |
df133612 LT |
823 | If CMD is not a command, the return value is nil. |
824 | Value, if non-nil, is a list \(interactive SPEC). */) | |
5842a27b | 825 | (Lisp_Object cmd) |
cc515226 | 826 | { |
c4f46926 | 827 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 828 | |
eadf1faa | 829 | if (NILP (fun)) |
c4f46926 SM |
830 | return Qnil; |
831 | ||
832 | /* Use an `interactive-form' property if present, analogous to the | |
32e5c58c | 833 | function-documentation property. */ |
c4f46926 SM |
834 | fun = cmd; |
835 | while (SYMBOLP (fun)) | |
836 | { | |
3860280a | 837 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
838 | if (!NILP (tmp)) |
839 | return tmp; | |
840 | else | |
841 | fun = Fsymbol_function (fun); | |
842 | } | |
6b61353c KH |
843 | |
844 | if (SUBRP (fun)) | |
845 | { | |
eec47d6b | 846 | const char *spec = XSUBR (fun)->intspec; |
8a6d230a MC |
847 | if (spec) |
848 | return list2 (Qinteractive, | |
849 | (*spec != '(') ? build_string (spec) : | |
850 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
851 | } |
852 | else if (COMPILEDP (fun)) | |
853 | { | |
854 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
855 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
856 | } | |
32e5c58c SM |
857 | else if (AUTOLOADP (fun)) |
858 | return Finteractive_form (Fautoload_do_load (fun, cmd, Qnil)); | |
6b61353c KH |
859 | else if (CONSP (fun)) |
860 | { | |
861 | Lisp_Object funcar = XCAR (fun); | |
b38b1ec0 | 862 | if (EQ (funcar, Qclosure)) |
23aba0ea SM |
863 | return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun)))); |
864 | else if (EQ (funcar, Qlambda)) | |
6b61353c | 865 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); |
6b61353c | 866 | } |
cc515226 GM |
867 | return Qnil; |
868 | } | |
869 | ||
7921925c | 870 | \f |
f35d5bad GM |
871 | /*********************************************************************** |
872 | Getting and Setting Values of Symbols | |
873 | ***********************************************************************/ | |
874 | ||
875 | /* Return the symbol holding SYMBOL's value. Signal | |
876 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
877 | indirections contains a loop. */ | |
878 | ||
ad97b375 | 879 | struct Lisp_Symbol * |
971de7fb | 880 | indirect_variable (struct Lisp_Symbol *symbol) |
f35d5bad | 881 | { |
ad97b375 | 882 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
883 | |
884 | hare = tortoise = symbol; | |
885 | ||
ce5b453a | 886 | while (hare->redirect == SYMBOL_VARALIAS) |
f35d5bad | 887 | { |
ce5b453a SM |
888 | hare = SYMBOL_ALIAS (hare); |
889 | if (hare->redirect != SYMBOL_VARALIAS) | |
f35d5bad | 890 | break; |
bfb96cb7 | 891 | |
ce5b453a SM |
892 | hare = SYMBOL_ALIAS (hare); |
893 | tortoise = SYMBOL_ALIAS (tortoise); | |
f35d5bad | 894 | |
ad97b375 SM |
895 | if (hare == tortoise) |
896 | { | |
897 | Lisp_Object tem; | |
898 | XSETSYMBOL (tem, symbol); | |
899 | xsignal1 (Qcyclic_variable_indirection, tem); | |
900 | } | |
f35d5bad GM |
901 | } |
902 | ||
903 | return hare; | |
904 | } | |
905 | ||
906 | ||
907 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 | 908 | doc: /* Return the variable at the end of OBJECT's variable chain. |
4abcdac8 CY |
909 | If OBJECT is a symbol, follow its variable indirections (if any), and |
910 | return the variable at the end of the chain of aliases. See Info node | |
911 | `(elisp)Variable Aliases'. | |
912 | ||
913 | If OBJECT is not a symbol, just return it. If there is a loop in the | |
914 | chain of aliases, signal a `cyclic-variable-indirection' error. */) | |
5842a27b | 915 | (Lisp_Object object) |
f35d5bad GM |
916 | { |
917 | if (SYMBOLP (object)) | |
946f9a5b PE |
918 | { |
919 | struct Lisp_Symbol *sym = indirect_variable (XSYMBOL (object)); | |
920 | XSETSYMBOL (object, sym); | |
921 | } | |
f35d5bad GM |
922 | return object; |
923 | } | |
924 | ||
7921925c JB |
925 | |
926 | /* Given the raw contents of a symbol value cell, | |
927 | return the Lisp value of the symbol. | |
928 | This does not handle buffer-local variables; use | |
929 | swap_in_symval_forwarding for that. */ | |
930 | ||
931 | Lisp_Object | |
971de7fb | 932 | do_symval_forwarding (register union Lisp_Fwd *valcontents) |
7921925c JB |
933 | { |
934 | register Lisp_Object val; | |
ce5b453a SM |
935 | switch (XFWDTYPE (valcontents)) |
936 | { | |
937 | case Lisp_Fwd_Int: | |
938 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
939 | return val; | |
940 | ||
941 | case Lisp_Fwd_Bool: | |
942 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
943 | ||
944 | case Lisp_Fwd_Obj: | |
945 | return *XOBJFWD (valcontents)->objvar; | |
946 | ||
947 | case Lisp_Fwd_Buffer_Obj: | |
4ce60d2e | 948 | return per_buffer_value (current_buffer, |
ce5b453a SM |
949 | XBUFFER_OBJFWD (valcontents)->offset); |
950 | ||
951 | case Lisp_Fwd_Kboard_Obj: | |
952 | /* We used to simply use current_kboard here, but from Lisp | |
a98edce9 | 953 | code, its value is often unexpected. It seems nicer to |
ce5b453a SM |
954 | allow constructions like this to work as intuitively expected: |
955 | ||
956 | (with-selected-frame frame | |
957 | (define-key local-function-map "\eOP" [f1])) | |
958 | ||
959 | On the other hand, this affects the semantics of | |
960 | last-command and real-last-command, and people may rely on | |
961 | that. I took a quick look at the Lisp codebase, and I | |
962 | don't think anything will break. --lorentey */ | |
963 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset | |
964 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
1088b922 | 965 | default: emacs_abort (); |
ce5b453a | 966 | } |
7921925c JB |
967 | } |
968 | ||
d9c2a0f2 EN |
969 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
970 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 971 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
972 | step past the buffer-localness. |
973 | ||
974 | BUF non-zero means set the value in buffer BUF instead of the | |
975 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c | 976 | |
ce5b453a | 977 | static void |
971de7fb | 978 | store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newval, struct buffer *buf) |
7921925c | 979 | { |
ce5b453a | 980 | switch (XFWDTYPE (valcontents)) |
7921925c | 981 | { |
ce5b453a SM |
982 | case Lisp_Fwd_Int: |
983 | CHECK_NUMBER (newval); | |
984 | *XINTFWD (valcontents)->intvar = XINT (newval); | |
985 | break; | |
aa3830c4 | 986 | |
ce5b453a SM |
987 | case Lisp_Fwd_Bool: |
988 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); | |
989 | break; | |
aa3830c4 | 990 | |
ce5b453a SM |
991 | case Lisp_Fwd_Obj: |
992 | *XOBJFWD (valcontents)->objvar = newval; | |
aa3830c4 | 993 | |
ce5b453a SM |
994 | /* If this variable is a default for something stored |
995 | in the buffer itself, such as default-fill-column, | |
996 | find the buffers that don't have local values for it | |
997 | and update them. */ | |
998 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
999 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
46b2ac21 | 1000 | { |
ce5b453a SM |
1001 | int offset = ((char *) XOBJFWD (valcontents)->objvar |
1002 | - (char *) &buffer_defaults); | |
1003 | int idx = PER_BUFFER_IDX (offset); | |
aa3830c4 | 1004 | |
8f3a2c26 | 1005 | Lisp_Object tail, buf; |
aa3830c4 | 1006 | |
ce5b453a SM |
1007 | if (idx <= 0) |
1008 | break; | |
aa3830c4 | 1009 | |
8f3a2c26 | 1010 | FOR_EACH_LIVE_BUFFER (tail, buf) |
6b61353c | 1011 | { |
8f3a2c26 | 1012 | struct buffer *b = XBUFFER (buf); |
6b61353c | 1013 | |
ce5b453a | 1014 | if (! PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1015 | set_per_buffer_value (b, offset, newval); |
6b61353c | 1016 | } |
ce5b453a SM |
1017 | } |
1018 | break; | |
7403b5c8 | 1019 | |
ce5b453a SM |
1020 | case Lisp_Fwd_Buffer_Obj: |
1021 | { | |
1022 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
58cc0a01 | 1023 | Lisp_Object predicate = XBUFFER_OBJFWD (valcontents)->predicate; |
ce5b453a | 1024 | |
58cc0a01 DA |
1025 | if (!NILP (predicate) && !NILP (newval) |
1026 | && NILP (call1 (predicate, newval))) | |
1027 | wrong_type_argument (predicate, newval); | |
ce5b453a SM |
1028 | |
1029 | if (buf == NULL) | |
1030 | buf = current_buffer; | |
4ce60d2e | 1031 | set_per_buffer_value (buf, offset, newval); |
ce5b453a SM |
1032 | } |
1033 | break; | |
7403b5c8 | 1034 | |
ce5b453a SM |
1035 | case Lisp_Fwd_Kboard_Obj: |
1036 | { | |
1037 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); | |
1038 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; | |
1039 | *(Lisp_Object *) p = newval; | |
1040 | } | |
7921925c JB |
1041 | break; |
1042 | ||
7921925c | 1043 | default: |
1088b922 | 1044 | emacs_abort (); /* goto def; */ |
7921925c JB |
1045 | } |
1046 | } | |
1047 | ||
d73e321c DA |
1048 | /* Set up SYMBOL to refer to its global binding. This makes it safe |
1049 | to alter the status of other bindings. BEWARE: this may be called | |
1050 | during the mark phase of GC, where we assume that Lisp_Object slots | |
1051 | of BLV are marked after this function has changed them. */ | |
b0d53add GM |
1052 | |
1053 | void | |
971de7fb | 1054 | swap_in_global_binding (struct Lisp_Symbol *symbol) |
b0d53add | 1055 | { |
ce5b453a | 1056 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (symbol); |
b0d53add GM |
1057 | |
1058 | /* Unload the previously loaded binding. */ | |
ce5b453a | 1059 | if (blv->fwd) |
a04e2c62 | 1060 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
bfb96cb7 | 1061 | |
b0d53add | 1062 | /* Select the global binding in the symbol. */ |
a04e2c62 | 1063 | set_blv_valcell (blv, blv->defcell); |
ce5b453a SM |
1064 | if (blv->fwd) |
1065 | store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL); | |
b0d53add GM |
1066 | |
1067 | /* Indicate that the global binding is set up now. */ | |
a04e2c62 DA |
1068 | set_blv_where (blv, Qnil); |
1069 | set_blv_found (blv, 0); | |
b0d53add GM |
1070 | } |
1071 | ||
2829d05f | 1072 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
1073 | VALCONTENTS is the contents of its value cell, |
1074 | which points to a struct Lisp_Buffer_Local_Value. | |
1075 | ||
1076 | Return the value forwarded one step past the buffer-local stage. | |
1077 | This could be another forwarding pointer. */ | |
7921925c | 1078 | |
ce5b453a | 1079 | static void |
971de7fb | 1080 | swap_in_symval_forwarding (struct Lisp_Symbol *symbol, struct Lisp_Buffer_Local_Value *blv) |
7921925c | 1081 | { |
7921925c | 1082 | register Lisp_Object tem1; |
bfb96cb7 | 1083 | |
ce5b453a SM |
1084 | eassert (blv == SYMBOL_BLV (symbol)); |
1085 | ||
1086 | tem1 = blv->where; | |
7921925c | 1087 | |
42e975f0 | 1088 | if (NILP (tem1) |
ce5b453a SM |
1089 | || (blv->frame_local |
1090 | ? !EQ (selected_frame, tem1) | |
1091 | : current_buffer != XBUFFER (tem1))) | |
7921925c | 1092 | { |
bfb96cb7 | 1093 | |
42e975f0 | 1094 | /* Unload the previously loaded binding. */ |
ce5b453a SM |
1095 | tem1 = blv->valcell; |
1096 | if (blv->fwd) | |
a04e2c62 | 1097 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
42e975f0 | 1098 | /* Choose the new binding. */ |
ce5b453a SM |
1099 | { |
1100 | Lisp_Object var; | |
1101 | XSETSYMBOL (var, symbol); | |
1102 | if (blv->frame_local) | |
1103 | { | |
e69b0960 | 1104 | tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist); |
a04e2c62 | 1105 | set_blv_where (blv, selected_frame); |
ce5b453a SM |
1106 | } |
1107 | else | |
1108 | { | |
4b4deea2 | 1109 | tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist)); |
d73e321c | 1110 | set_blv_where (blv, Fcurrent_buffer ()); |
ce5b453a SM |
1111 | } |
1112 | } | |
1113 | if (!(blv->found = !NILP (tem1))) | |
1114 | tem1 = blv->defcell; | |
b0c2d1c6 | 1115 | |
42e975f0 | 1116 | /* Load the new binding. */ |
a04e2c62 | 1117 | set_blv_valcell (blv, tem1); |
ce5b453a | 1118 | if (blv->fwd) |
a04e2c62 | 1119 | store_symval_forwarding (blv->fwd, blv_value (blv), NULL); |
7921925c | 1120 | } |
7921925c JB |
1121 | } |
1122 | \f | |
14e76af9 JB |
1123 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1124 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1125 | if it has one, without signaling an error. |
14e76af9 JB |
1126 | Note that it must not be possible to quit |
1127 | within this function. Great care is required for this. */ | |
7921925c | 1128 | |
14e76af9 | 1129 | Lisp_Object |
971de7fb | 1130 | find_symbol_value (Lisp_Object symbol) |
7921925c | 1131 | { |
ce5b453a | 1132 | struct Lisp_Symbol *sym; |
bfb96cb7 | 1133 | |
b7826503 | 1134 | CHECK_SYMBOL (symbol); |
ce5b453a | 1135 | sym = XSYMBOL (symbol); |
7921925c | 1136 | |
ce5b453a SM |
1137 | start: |
1138 | switch (sym->redirect) | |
1139 | { | |
1140 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1141 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1142 | case SYMBOL_LOCALIZED: | |
1143 | { | |
1144 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1145 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 1146 | return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv); |
ce5b453a SM |
1147 | } |
1148 | /* FALLTHROUGH */ | |
1149 | case SYMBOL_FORWARDED: | |
1150 | return do_symval_forwarding (SYMBOL_FWD (sym)); | |
1088b922 | 1151 | default: emacs_abort (); |
ce5b453a | 1152 | } |
7921925c JB |
1153 | } |
1154 | ||
a7ca3326 | 1155 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
14d27346 GM |
1156 | doc: /* Return SYMBOL's value. Error if that is void. |
1157 | Note that if `lexical-binding' is in effect, this returns the | |
1158 | global value outside of any lexical scope. */) | |
5842a27b | 1159 | (Lisp_Object symbol) |
14e76af9 | 1160 | { |
0671d7c0 | 1161 | Lisp_Object val; |
14e76af9 | 1162 | |
d9c2a0f2 | 1163 | val = find_symbol_value (symbol); |
740ef0b5 | 1164 | if (!EQ (val, Qunbound)) |
14e76af9 | 1165 | return val; |
740ef0b5 KS |
1166 | |
1167 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1168 | } |
1169 | ||
a7ca3326 | 1170 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 | 1171 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
5842a27b | 1172 | (register Lisp_Object symbol, Lisp_Object newval) |
05ef7169 | 1173 | { |
94b612ad | 1174 | set_internal (symbol, newval, Qnil, 0); |
ce5b453a | 1175 | return newval; |
05ef7169 RS |
1176 | } |
1177 | ||
25638b07 | 1178 | /* Store the value NEWVAL into SYMBOL. |
94b612ad SM |
1179 | If buffer/frame-locality is an issue, WHERE specifies which context to use. |
1180 | (nil stands for the current buffer/frame). | |
2829d05f | 1181 | |
de1339b0 | 1182 | If BINDFLAG is false, then if this symbol is supposed to become |
05ef7169 | 1183 | local in every buffer where it is set, then we make it local. |
de1339b0 | 1184 | If BINDFLAG is true, we don't do that. */ |
05ef7169 | 1185 | |
ce5b453a | 1186 | void |
de1339b0 PE |
1187 | set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where, |
1188 | bool bindflag) | |
7921925c | 1189 | { |
de1339b0 | 1190 | bool voide = EQ (newval, Qunbound); |
ce5b453a SM |
1191 | struct Lisp_Symbol *sym; |
1192 | Lisp_Object tem1; | |
7921925c | 1193 | |
2829d05f | 1194 | /* If restoring in a dead buffer, do nothing. */ |
94b612ad SM |
1195 | /* if (BUFFERP (where) && NILP (XBUFFER (where)->name)) |
1196 | return; */ | |
2829d05f | 1197 | |
b7826503 | 1198 | CHECK_SYMBOL (symbol); |
ce5b453a | 1199 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1200 | { |
ce5b453a SM |
1201 | if (NILP (Fkeywordp (symbol)) |
1202 | || !EQ (newval, Fsymbol_value (symbol))) | |
1203 | xsignal1 (Qsetting_constant, symbol); | |
1204 | else | |
1205 | /* Allow setting keywords to their own value. */ | |
1206 | return; | |
7921925c | 1207 | } |
42e975f0 | 1208 | |
ce5b453a | 1209 | sym = XSYMBOL (symbol); |
7921925c | 1210 | |
ce5b453a SM |
1211 | start: |
1212 | switch (sym->redirect) | |
1213 | { | |
1214 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1215 | case SYMBOL_PLAINVAL: SET_SYMBOL_VAL (sym , newval); return; | |
1216 | case SYMBOL_LOCALIZED: | |
1217 | { | |
1218 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
94b612ad SM |
1219 | if (NILP (where)) |
1220 | { | |
1221 | if (blv->frame_local) | |
1222 | where = selected_frame; | |
1223 | else | |
1224 | XSETBUFFER (where, current_buffer); | |
1225 | } | |
ce5b453a SM |
1226 | /* If the current buffer is not the buffer whose binding is |
1227 | loaded, or if there may be frame-local bindings and the frame | |
1228 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1229 | the default binding is loaded, the loaded binding may be the | |
1230 | wrong one. */ | |
94b612ad | 1231 | if (!EQ (blv->where, where) |
bfeae2cf | 1232 | /* Also unload a global binding (if the var is local_if_set). */ |
ce5b453a SM |
1233 | || (EQ (blv->valcell, blv->defcell))) |
1234 | { | |
1235 | /* The currently loaded binding is not necessarily valid. | |
1236 | We need to unload it, and choose a new binding. */ | |
1237 | ||
1238 | /* Write out `realvalue' to the old loaded binding. */ | |
1239 | if (blv->fwd) | |
a04e2c62 | 1240 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
b0c2d1c6 | 1241 | |
ce5b453a | 1242 | /* Find the new binding. */ |
94b612ad SM |
1243 | XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */ |
1244 | tem1 = Fassq (symbol, | |
1245 | (blv->frame_local | |
e69b0960 | 1246 | ? XFRAME (where)->param_alist |
4b4deea2 | 1247 | : BVAR (XBUFFER (where), local_var_alist))); |
a04e2c62 | 1248 | set_blv_where (blv, where); |
9e677988 | 1249 | blv->found = 1; |
ce5b453a SM |
1250 | |
1251 | if (NILP (tem1)) | |
1252 | { | |
1253 | /* This buffer still sees the default value. */ | |
1254 | ||
1255 | /* If the variable is a Lisp_Some_Buffer_Local_Value, | |
1256 | or if this is `let' rather than `set', | |
1257 | make CURRENT-ALIST-ELEMENT point to itself, | |
1258 | indicating that we're seeing the default value. | |
1259 | Likewise if the variable has been let-bound | |
1260 | in the current buffer. */ | |
1261 | if (bindflag || !blv->local_if_set | |
1262 | || let_shadows_buffer_binding_p (sym)) | |
1263 | { | |
9e677988 | 1264 | blv->found = 0; |
ce5b453a SM |
1265 | tem1 = blv->defcell; |
1266 | } | |
1267 | /* If it's a local_if_set, being set not bound, | |
1268 | and we're not within a let that was made for this buffer, | |
1269 | create a new buffer-local binding for the variable. | |
1270 | That means, give this buffer a new assoc for a local value | |
1271 | and load that binding. */ | |
1272 | else | |
1273 | { | |
1274 | /* local_if_set is only supported for buffer-local | |
1275 | bindings, not for frame-local bindings. */ | |
1276 | eassert (!blv->frame_local); | |
1277 | tem1 = Fcons (symbol, XCDR (blv->defcell)); | |
39eb03f1 PE |
1278 | bset_local_var_alist |
1279 | (XBUFFER (where), | |
1280 | Fcons (tem1, BVAR (XBUFFER (where), local_var_alist))); | |
ce5b453a SM |
1281 | } |
1282 | } | |
1283 | ||
1284 | /* Record which binding is now loaded. */ | |
a04e2c62 | 1285 | set_blv_valcell (blv, tem1); |
ce5b453a | 1286 | } |
b0c2d1c6 | 1287 | |
ce5b453a | 1288 | /* Store the new value in the cons cell. */ |
a04e2c62 | 1289 | set_blv_value (blv, newval); |
d8cafeb5 | 1290 | |
ce5b453a SM |
1291 | if (blv->fwd) |
1292 | { | |
1293 | if (voide) | |
1294 | /* If storing void (making the symbol void), forward only through | |
1295 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1296 | blv->fwd = NULL; | |
1297 | else | |
94b612ad SM |
1298 | store_symval_forwarding (blv->fwd, newval, |
1299 | BUFFERP (where) | |
1300 | ? XBUFFER (where) : current_buffer); | |
ce5b453a SM |
1301 | } |
1302 | break; | |
1303 | } | |
1304 | case SYMBOL_FORWARDED: | |
1305 | { | |
94b612ad SM |
1306 | struct buffer *buf |
1307 | = BUFFERP (where) ? XBUFFER (where) : current_buffer; | |
ce5b453a SM |
1308 | union Lisp_Fwd *innercontents = SYMBOL_FWD (sym); |
1309 | if (BUFFER_OBJFWDP (innercontents)) | |
1310 | { | |
1311 | int offset = XBUFFER_OBJFWD (innercontents)->offset; | |
1312 | int idx = PER_BUFFER_IDX (offset); | |
1313 | if (idx > 0 | |
1314 | && !bindflag | |
1315 | && !let_shadows_buffer_binding_p (sym)) | |
1316 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); | |
1317 | } | |
569c11e3 | 1318 | |
ce5b453a SM |
1319 | if (voide) |
1320 | { /* If storing void (making the symbol void), forward only through | |
1321 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1322 | sym->redirect = SYMBOL_PLAINVAL; | |
1323 | SET_SYMBOL_VAL (sym, newval); | |
1324 | } | |
1325 | else | |
1326 | store_symval_forwarding (/* sym, */ innercontents, newval, buf); | |
1327 | break; | |
1328 | } | |
1088b922 | 1329 | default: emacs_abort (); |
7921925c | 1330 | } |
ce5b453a | 1331 | return; |
7921925c JB |
1332 | } |
1333 | \f | |
1334 | /* Access or set a buffer-local symbol's default value. */ | |
1335 | ||
d9c2a0f2 | 1336 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1337 | Return Qunbound if it is void. */ |
7921925c | 1338 | |
112396d6 | 1339 | static Lisp_Object |
971de7fb | 1340 | default_value (Lisp_Object symbol) |
7921925c | 1341 | { |
ce5b453a | 1342 | struct Lisp_Symbol *sym; |
7921925c | 1343 | |
b7826503 | 1344 | CHECK_SYMBOL (symbol); |
ce5b453a | 1345 | sym = XSYMBOL (symbol); |
7921925c | 1346 | |
ce5b453a SM |
1347 | start: |
1348 | switch (sym->redirect) | |
7921925c | 1349 | { |
ce5b453a SM |
1350 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1351 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1352 | case SYMBOL_LOCALIZED: | |
1353 | { | |
1354 | /* If var is set up for a buffer that lacks a local value for it, | |
1355 | the current value is nominally the default value. | |
1356 | But the `realvalue' slot may be more up to date, since | |
1357 | ordinary setq stores just that slot. So use that. */ | |
1358 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1359 | if (blv->fwd && EQ (blv->valcell, blv->defcell)) | |
1360 | return do_symval_forwarding (blv->fwd); | |
1361 | else | |
1362 | return XCDR (blv->defcell); | |
1363 | } | |
1364 | case SYMBOL_FORWARDED: | |
1365 | { | |
1366 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1367 | |
ce5b453a SM |
1368 | /* For a built-in buffer-local variable, get the default value |
1369 | rather than letting do_symval_forwarding get the current value. */ | |
1370 | if (BUFFER_OBJFWDP (valcontents)) | |
1371 | { | |
1372 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1373 | if (PER_BUFFER_IDX (offset) != 0) | |
4ce60d2e | 1374 | return per_buffer_default (offset); |
ce5b453a SM |
1375 | } |
1376 | ||
1377 | /* For other variables, get the current value. */ | |
1378 | return do_symval_forwarding (valcontents); | |
1379 | } | |
1088b922 | 1380 | default: emacs_abort (); |
7921925c | 1381 | } |
7921925c JB |
1382 | } |
1383 | ||
a7ca3326 | 1384 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, |
8c1a1077 PJ |
1385 | doc: /* Return t if SYMBOL has a non-void default value. |
1386 | This is the value that is seen in buffers that do not have their own values | |
1387 | for this variable. */) | |
5842a27b | 1388 | (Lisp_Object symbol) |
7921925c JB |
1389 | { |
1390 | register Lisp_Object value; | |
1391 | ||
d9c2a0f2 | 1392 | value = default_value (symbol); |
1bfcade3 | 1393 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1394 | } |
1395 | ||
a7ca3326 | 1396 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, |
8c1a1077 PJ |
1397 | doc: /* Return SYMBOL's default value. |
1398 | This is the value that is seen in buffers that do not have their own values | |
1399 | for this variable. The default value is meaningful for variables with | |
1400 | local bindings in certain buffers. */) | |
5842a27b | 1401 | (Lisp_Object symbol) |
7921925c | 1402 | { |
a104f656 | 1403 | Lisp_Object value = default_value (symbol); |
740ef0b5 KS |
1404 | if (!EQ (value, Qunbound)) |
1405 | return value; | |
1406 | ||
1407 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1408 | } |
1409 | ||
a7ca3326 | 1410 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, |
6e86a75d | 1411 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1412 | The default value is seen in buffers that do not have their own values |
1413 | for this variable. */) | |
5842a27b | 1414 | (Lisp_Object symbol, Lisp_Object value) |
7921925c | 1415 | { |
ce5b453a | 1416 | struct Lisp_Symbol *sym; |
7921925c | 1417 | |
b7826503 | 1418 | CHECK_SYMBOL (symbol); |
ce5b453a | 1419 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1420 | { |
ce5b453a SM |
1421 | if (NILP (Fkeywordp (symbol)) |
1422 | || !EQ (value, Fdefault_value (symbol))) | |
1423 | xsignal1 (Qsetting_constant, symbol); | |
1424 | else | |
1425 | /* Allow setting keywords to their own value. */ | |
1426 | return value; | |
1427 | } | |
1428 | sym = XSYMBOL (symbol); | |
7921925c | 1429 | |
ce5b453a SM |
1430 | start: |
1431 | switch (sym->redirect) | |
1432 | { | |
1433 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1434 | case SYMBOL_PLAINVAL: return Fset (symbol, value); | |
1435 | case SYMBOL_LOCALIZED: | |
1436 | { | |
1437 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
984ef137 | 1438 | |
ce5b453a SM |
1439 | /* Store new value into the DEFAULT-VALUE slot. */ |
1440 | XSETCDR (blv->defcell, value); | |
bfb96cb7 | 1441 | |
ce5b453a SM |
1442 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
1443 | if (blv->fwd && EQ (blv->defcell, blv->valcell)) | |
1444 | store_symval_forwarding (blv->fwd, value, NULL); | |
1445 | return value; | |
1446 | } | |
1447 | case SYMBOL_FORWARDED: | |
1448 | { | |
1449 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1450 | |
ce5b453a SM |
1451 | /* Handle variables like case-fold-search that have special slots |
1452 | in the buffer. | |
1453 | Make them work apparently like Lisp_Buffer_Local_Value variables. */ | |
1454 | if (BUFFER_OBJFWDP (valcontents)) | |
1455 | { | |
1456 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1457 | int idx = PER_BUFFER_IDX (offset); | |
7921925c | 1458 | |
4ce60d2e | 1459 | set_per_buffer_default (offset, value); |
7921925c | 1460 | |
ce5b453a SM |
1461 | /* If this variable is not always local in all buffers, |
1462 | set it in the buffers that don't nominally have a local value. */ | |
1463 | if (idx > 0) | |
1464 | { | |
1465 | struct buffer *b; | |
7921925c | 1466 | |
52b852c7 | 1467 | FOR_EACH_BUFFER (b) |
ce5b453a | 1468 | if (!PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1469 | set_per_buffer_value (b, offset, value); |
ce5b453a SM |
1470 | } |
1471 | return value; | |
1472 | } | |
1473 | else | |
1474 | return Fset (symbol, value); | |
1475 | } | |
1088b922 | 1476 | default: emacs_abort (); |
ce5b453a | 1477 | } |
7921925c JB |
1478 | } |
1479 | ||
7a7df7ac | 1480 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1481 | doc: /* Set the default value of variable VAR to VALUE. |
1482 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1483 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1484 | The default value of a variable is seen in buffers |
1485 | that do not have their own values for the variable. | |
1486 | ||
1487 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1488 | (setq-default VAR VALUE VAR VALUE...) |
1489 | This sets each VAR's default value to the corresponding VALUE. | |
1490 | The VALUE for the Nth VAR can refer to the new default values | |
1491 | of previous VARs. | |
70e9f399 | 1492 | usage: (setq-default [VAR VALUE]...) */) |
5842a27b | 1493 | (Lisp_Object args) |
7921925c | 1494 | { |
16b0520a | 1495 | Lisp_Object args_left, symbol, val; |
7921925c JB |
1496 | struct gcpro gcpro1; |
1497 | ||
16b0520a | 1498 | args_left = val = args; |
7921925c JB |
1499 | GCPRO1 (args); |
1500 | ||
16b0520a | 1501 | while (CONSP (args_left)) |
7921925c | 1502 | { |
16b0520a | 1503 | val = eval_sub (Fcar (XCDR (args_left))); |
d2fde41d | 1504 | symbol = XCAR (args_left); |
d9c2a0f2 | 1505 | Fset_default (symbol, val); |
d2fde41d | 1506 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1507 | } |
7921925c JB |
1508 | |
1509 | UNGCPRO; | |
1510 | return val; | |
1511 | } | |
1512 | \f | |
a5ca2b75 JB |
1513 | /* Lisp functions for creating and removing buffer-local variables. */ |
1514 | ||
ce5b453a SM |
1515 | union Lisp_Val_Fwd |
1516 | { | |
1517 | Lisp_Object value; | |
1518 | union Lisp_Fwd *fwd; | |
1519 | }; | |
1520 | ||
1521 | static struct Lisp_Buffer_Local_Value * | |
de1339b0 PE |
1522 | make_blv (struct Lisp_Symbol *sym, bool forwarded, |
1523 | union Lisp_Val_Fwd valcontents) | |
ce5b453a | 1524 | { |
38182d90 | 1525 | struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv); |
c632dfda JD |
1526 | Lisp_Object symbol; |
1527 | Lisp_Object tem; | |
1528 | ||
1529 | XSETSYMBOL (symbol, sym); | |
1530 | tem = Fcons (symbol, (forwarded | |
1531 | ? do_symval_forwarding (valcontents.fwd) | |
1532 | : valcontents.value)); | |
1533 | ||
ce5b453a SM |
1534 | /* Buffer_Local_Values cannot have as realval a buffer-local |
1535 | or keyboard-local forwarding. */ | |
1536 | eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd))); | |
1537 | eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd))); | |
1538 | blv->fwd = forwarded ? valcontents.fwd : NULL; | |
a04e2c62 | 1539 | set_blv_where (blv, Qnil); |
ce5b453a SM |
1540 | blv->frame_local = 0; |
1541 | blv->local_if_set = 0; | |
a04e2c62 DA |
1542 | set_blv_defcell (blv, tem); |
1543 | set_blv_valcell (blv, tem); | |
1544 | set_blv_found (blv, 0); | |
ce5b453a SM |
1545 | return blv; |
1546 | } | |
1547 | ||
a7ca3326 | 1548 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, |
16a97296 | 1549 | Smake_variable_buffer_local, 1, 1, "vMake Variable Buffer Local: ", |
8c1a1077 PJ |
1550 | doc: /* Make VARIABLE become buffer-local whenever it is set. |
1551 | At any time, the value for the current buffer is in effect, | |
1552 | unless the variable has never been set in this buffer, | |
1553 | in which case the default value is in effect. | |
1554 | Note that binding the variable with `let', or setting it while | |
1555 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1556 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1557 | |
450533b0 SM |
1558 | This globally affects all uses of this variable, so it belongs together with |
1559 | the variable declaration, rather than with its uses (if you just want to make | |
1560 | a variable local to the current buffer for one particular use, use | |
1561 | `make-local-variable'). Buffer-local bindings are normally cleared | |
1562 | while setting up a new major mode, unless they have a `permanent-local' | |
1563 | property. | |
a9908653 | 1564 | |
8c1a1077 | 1565 | The function `default-value' gets the default value and `set-default' sets it. */) |
5842a27b | 1566 | (register Lisp_Object variable) |
7921925c | 1567 | { |
ad97b375 | 1568 | struct Lisp_Symbol *sym; |
ce5b453a | 1569 | struct Lisp_Buffer_Local_Value *blv = NULL; |
bfe3e0a2 | 1570 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
de1339b0 | 1571 | bool forwarded IF_LINT (= 0); |
7921925c | 1572 | |
b7826503 | 1573 | CHECK_SYMBOL (variable); |
ce5b453a | 1574 | sym = XSYMBOL (variable); |
7921925c | 1575 | |
ce5b453a SM |
1576 | start: |
1577 | switch (sym->redirect) | |
fd9440c5 | 1578 | { |
ce5b453a SM |
1579 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1580 | case SYMBOL_PLAINVAL: | |
1581 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1582 | if (EQ (valcontents.value, Qunbound)) | |
1583 | valcontents.value = Qnil; | |
1584 | break; | |
1585 | case SYMBOL_LOCALIZED: | |
1586 | blv = SYMBOL_BLV (sym); | |
1587 | if (blv->frame_local) | |
1588 | error ("Symbol %s may not be buffer-local", | |
1589 | SDATA (SYMBOL_NAME (variable))); | |
1590 | break; | |
1591 | case SYMBOL_FORWARDED: | |
1592 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1593 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1594 | error ("Symbol %s may not be buffer-local", | |
1595 | SDATA (SYMBOL_NAME (variable))); | |
1596 | else if (BUFFER_OBJFWDP (valcontents.fwd)) | |
1597 | return variable; | |
1598 | break; | |
1088b922 | 1599 | default: emacs_abort (); |
fd9440c5 | 1600 | } |
ce5b453a SM |
1601 | |
1602 | if (sym->constant) | |
1603 | error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable))); | |
1604 | ||
1605 | if (!blv) | |
7921925c | 1606 | { |
ce5b453a SM |
1607 | blv = make_blv (sym, forwarded, valcontents); |
1608 | sym->redirect = SYMBOL_LOCALIZED; | |
1609 | SET_SYMBOL_BLV (sym, blv); | |
1610 | { | |
1611 | Lisp_Object symbol; | |
1612 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1613 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1614 | message ("Making %s buffer-local while let-bound!", |
1615 | SDATA (SYMBOL_NAME (variable))); | |
ce5b453a | 1616 | } |
7921925c | 1617 | } |
ce5b453a SM |
1618 | |
1619 | blv->local_if_set = 1; | |
d9c2a0f2 | 1620 | return variable; |
7921925c JB |
1621 | } |
1622 | ||
a7ca3326 | 1623 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, |
8c1a1077 PJ |
1624 | 1, 1, "vMake Local Variable: ", |
1625 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1626 | Other buffers will continue to share a common default value. | |
1627 | \(The buffer-local value of VARIABLE starts out as the same value | |
1628 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1629 | Return VARIABLE. |
8c1a1077 PJ |
1630 | |
1631 | If the variable is already arranged to become local when set, | |
1632 | this function causes a local value to exist for this buffer, | |
1633 | just as setting the variable would do. | |
1634 | ||
1635 | This function returns VARIABLE, and therefore | |
1636 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1637 | works. | |
1638 | ||
a9908653 RS |
1639 | See also `make-variable-buffer-local'. |
1640 | ||
8c1a1077 | 1641 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1642 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
de1339b0 | 1643 | (Lisp_Object variable) |
7921925c | 1644 | { |
de1339b0 PE |
1645 | Lisp_Object tem; |
1646 | bool forwarded IF_LINT (= 0); | |
bfe3e0a2 | 1647 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
ad97b375 | 1648 | struct Lisp_Symbol *sym; |
ce5b453a | 1649 | struct Lisp_Buffer_Local_Value *blv = NULL; |
7921925c | 1650 | |
b7826503 | 1651 | CHECK_SYMBOL (variable); |
ce5b453a | 1652 | sym = XSYMBOL (variable); |
7921925c | 1653 | |
ce5b453a SM |
1654 | start: |
1655 | switch (sym->redirect) | |
1656 | { | |
1657 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1658 | case SYMBOL_PLAINVAL: | |
1659 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); break; | |
1660 | case SYMBOL_LOCALIZED: | |
1661 | blv = SYMBOL_BLV (sym); | |
1662 | if (blv->frame_local) | |
1663 | error ("Symbol %s may not be buffer-local", | |
1664 | SDATA (SYMBOL_NAME (variable))); | |
1665 | break; | |
1666 | case SYMBOL_FORWARDED: | |
1667 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1668 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1669 | error ("Symbol %s may not be buffer-local", | |
1670 | SDATA (SYMBOL_NAME (variable))); | |
1671 | break; | |
1088b922 | 1672 | default: emacs_abort (); |
ce5b453a SM |
1673 | } |
1674 | ||
1675 | if (sym->constant) | |
8b1e1112 SM |
1676 | error ("Symbol %s may not be buffer-local", |
1677 | SDATA (SYMBOL_NAME (variable))); | |
7921925c | 1678 | |
ce5b453a SM |
1679 | if (blv ? blv->local_if_set |
1680 | : (forwarded && BUFFER_OBJFWDP (valcontents.fwd))) | |
7921925c | 1681 | { |
d9c2a0f2 | 1682 | tem = Fboundp (variable); |
7921925c JB |
1683 | /* Make sure the symbol has a local value in this particular buffer, |
1684 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1685 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1686 | return variable; | |
7921925c | 1687 | } |
ce5b453a | 1688 | if (!blv) |
7921925c | 1689 | { |
ce5b453a SM |
1690 | blv = make_blv (sym, forwarded, valcontents); |
1691 | sym->redirect = SYMBOL_LOCALIZED; | |
1692 | SET_SYMBOL_BLV (sym, blv); | |
1693 | { | |
1694 | Lisp_Object symbol; | |
1695 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1696 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1697 | message ("Making %s local to %s while let-bound!", |
1698 | SDATA (SYMBOL_NAME (variable)), | |
4b4deea2 | 1699 | SDATA (BVAR (current_buffer, name))); |
ce5b453a | 1700 | } |
7921925c | 1701 | } |
ce5b453a | 1702 | |
42e975f0 | 1703 | /* Make sure this buffer has its own value of symbol. */ |
ce5b453a | 1704 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
4b4deea2 | 1705 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1706 | if (NILP (tem)) |
7921925c | 1707 | { |
ce5b453a SM |
1708 | if (let_shadows_buffer_binding_p (sym)) |
1709 | message ("Making %s buffer-local while locally let-bound!", | |
1710 | SDATA (SYMBOL_NAME (variable))); | |
1711 | ||
a5d004a1 RS |
1712 | /* Swap out any local binding for some other buffer, and make |
1713 | sure the current value is permanently recorded, if it's the | |
1714 | default value. */ | |
d9c2a0f2 | 1715 | find_symbol_value (variable); |
a5d004a1 | 1716 | |
39eb03f1 PE |
1717 | bset_local_var_alist |
1718 | (current_buffer, | |
1719 | Fcons (Fcons (variable, XCDR (blv->defcell)), | |
1720 | BVAR (current_buffer, local_var_alist))); | |
7921925c JB |
1721 | |
1722 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1723 | force it to look once again for this buffer's value. */ |
ce5b453a | 1724 | if (current_buffer == XBUFFER (blv->where)) |
a04e2c62 DA |
1725 | set_blv_where (blv, Qnil); |
1726 | set_blv_found (blv, 0); | |
7921925c | 1727 | } |
a5ca2b75 | 1728 | |
42e975f0 RS |
1729 | /* If the symbol forwards into a C variable, then load the binding |
1730 | for this buffer now. If C code modifies the variable before we | |
1731 | load the binding in, then that new value will clobber the default | |
1732 | binding the next time we unload it. */ | |
ce5b453a SM |
1733 | if (blv->fwd) |
1734 | swap_in_symval_forwarding (sym, blv); | |
a5ca2b75 | 1735 | |
d9c2a0f2 | 1736 | return variable; |
7921925c JB |
1737 | } |
1738 | ||
1739 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1740 | 1, 1, "vKill Local Variable: ", |
1741 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1742 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
5842a27b | 1743 | (register Lisp_Object variable) |
7921925c | 1744 | { |
ce5b453a SM |
1745 | register Lisp_Object tem; |
1746 | struct Lisp_Buffer_Local_Value *blv; | |
ad97b375 | 1747 | struct Lisp_Symbol *sym; |
7921925c | 1748 | |
b7826503 | 1749 | CHECK_SYMBOL (variable); |
ce5b453a | 1750 | sym = XSYMBOL (variable); |
7921925c | 1751 | |
ce5b453a SM |
1752 | start: |
1753 | switch (sym->redirect) | |
7921925c | 1754 | { |
ce5b453a SM |
1755 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1756 | case SYMBOL_PLAINVAL: return variable; | |
1757 | case SYMBOL_FORWARDED: | |
1758 | { | |
1759 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1760 | if (BUFFER_OBJFWDP (valcontents)) | |
1761 | { | |
1762 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1763 | int idx = PER_BUFFER_IDX (offset); | |
1764 | ||
1765 | if (idx > 0) | |
1766 | { | |
1767 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); | |
4ce60d2e DA |
1768 | set_per_buffer_value (current_buffer, offset, |
1769 | per_buffer_default (offset)); | |
ce5b453a SM |
1770 | } |
1771 | } | |
1772 | return variable; | |
1773 | } | |
1774 | case SYMBOL_LOCALIZED: | |
1775 | blv = SYMBOL_BLV (sym); | |
1776 | if (blv->frame_local) | |
1777 | return variable; | |
1778 | break; | |
1088b922 | 1779 | default: emacs_abort (); |
7921925c JB |
1780 | } |
1781 | ||
42e975f0 | 1782 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1783 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
4b4deea2 | 1784 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1785 | if (!NILP (tem)) |
39eb03f1 PE |
1786 | bset_local_var_alist |
1787 | (current_buffer, | |
1788 | Fdelq (tem, BVAR (current_buffer, local_var_alist))); | |
7921925c | 1789 | |
42e975f0 RS |
1790 | /* If the symbol is set up with the current buffer's binding |
1791 | loaded, recompute its value. We have to do it now, or else | |
1792 | forwarded objects won't work right. */ | |
7921925c | 1793 | { |
ce5b453a SM |
1794 | Lisp_Object buf; XSETBUFFER (buf, current_buffer); |
1795 | if (EQ (buf, blv->where)) | |
79c83e03 | 1796 | { |
a04e2c62 | 1797 | set_blv_where (blv, Qnil); |
9e677988 | 1798 | blv->found = 0; |
978dd578 | 1799 | find_symbol_value (variable); |
79c83e03 | 1800 | } |
7921925c JB |
1801 | } |
1802 | ||
d9c2a0f2 | 1803 | return variable; |
7921925c | 1804 | } |
62476adc | 1805 | |
b0c2d1c6 RS |
1806 | /* Lisp functions for creating and removing buffer-local variables. */ |
1807 | ||
ab795c65 GM |
1808 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1809 | when/if this is removed. */ | |
1810 | ||
b0c2d1c6 | 1811 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1812 | 1, 1, "vMake Variable Frame Local: ", |
1813 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1814 | This does not create any frame-local bindings for VARIABLE, |
1815 | it just makes them possible. | |
1816 | ||
1817 | A frame-local binding is actually a frame parameter value. | |
1818 | If a frame F has a value for the frame parameter named VARIABLE, | |
1819 | that also acts as a frame-local binding for VARIABLE in F-- | |
1820 | provided this function has been called to enable VARIABLE | |
1821 | to have frame-local bindings at all. | |
1822 | ||
1823 | The only way to create a frame-local binding for VARIABLE in a frame | |
1824 | is to set the VARIABLE frame parameter of that frame. See | |
1825 | `modify-frame-parameters' for how to set frame parameters. | |
1826 | ||
a02a1384 GM |
1827 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1828 | frame-local any more (buffer-local bindings used to take precedence over | |
1829 | frame-local bindings). */) | |
de1339b0 | 1830 | (Lisp_Object variable) |
b0c2d1c6 | 1831 | { |
de1339b0 | 1832 | bool forwarded; |
ce5b453a | 1833 | union Lisp_Val_Fwd valcontents; |
ad97b375 | 1834 | struct Lisp_Symbol *sym; |
ce5b453a | 1835 | struct Lisp_Buffer_Local_Value *blv = NULL; |
b0c2d1c6 | 1836 | |
b7826503 | 1837 | CHECK_SYMBOL (variable); |
ce5b453a | 1838 | sym = XSYMBOL (variable); |
b0c2d1c6 | 1839 | |
ce5b453a SM |
1840 | start: |
1841 | switch (sym->redirect) | |
42e975f0 | 1842 | { |
ce5b453a SM |
1843 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1844 | case SYMBOL_PLAINVAL: | |
1845 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1846 | if (EQ (valcontents.value, Qunbound)) | |
1847 | valcontents.value = Qnil; | |
1848 | break; | |
1849 | case SYMBOL_LOCALIZED: | |
1850 | if (SYMBOL_BLV (sym)->frame_local) | |
1851 | return variable; | |
1852 | else | |
1853 | error ("Symbol %s may not be frame-local", | |
1854 | SDATA (SYMBOL_NAME (variable))); | |
1855 | case SYMBOL_FORWARDED: | |
1856 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1857 | if (KBOARD_OBJFWDP (valcontents.fwd) || BUFFER_OBJFWDP (valcontents.fwd)) | |
1858 | error ("Symbol %s may not be frame-local", | |
1859 | SDATA (SYMBOL_NAME (variable))); | |
1860 | break; | |
1088b922 | 1861 | default: emacs_abort (); |
42e975f0 | 1862 | } |
b0c2d1c6 | 1863 | |
ce5b453a SM |
1864 | if (sym->constant) |
1865 | error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable))); | |
1866 | ||
1867 | blv = make_blv (sym, forwarded, valcontents); | |
1868 | blv->frame_local = 1; | |
1869 | sym->redirect = SYMBOL_LOCALIZED; | |
1870 | SET_SYMBOL_BLV (sym, blv); | |
8b1e1112 SM |
1871 | { |
1872 | Lisp_Object symbol; | |
1873 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1874 | if (let_shadows_global_binding_p (symbol)) | |
1875 | message ("Making %s frame-local while let-bound!", | |
1876 | SDATA (SYMBOL_NAME (variable))); | |
1877 | } | |
b0c2d1c6 RS |
1878 | return variable; |
1879 | } | |
1880 | ||
a7ca3326 | 1881 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1882 | 1, 2, 0, |
1883 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1884 | BUFFER defaults to the current buffer. */) | |
5842a27b | 1885 | (register Lisp_Object variable, Lisp_Object buffer) |
62476adc | 1886 | { |
c48ead86 | 1887 | register struct buffer *buf; |
ad97b375 | 1888 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1889 | |
1890 | if (NILP (buffer)) | |
1891 | buf = current_buffer; | |
1892 | else | |
1893 | { | |
b7826503 | 1894 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1895 | buf = XBUFFER (buffer); |
1896 | } | |
62476adc | 1897 | |
b7826503 | 1898 | CHECK_SYMBOL (variable); |
ce5b453a | 1899 | sym = XSYMBOL (variable); |
be95bee9 | 1900 | |
ce5b453a SM |
1901 | start: |
1902 | switch (sym->redirect) | |
c48ead86 | 1903 | { |
ce5b453a SM |
1904 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1905 | case SYMBOL_PLAINVAL: return Qnil; | |
1906 | case SYMBOL_LOCALIZED: | |
1907 | { | |
1908 | Lisp_Object tail, elt, tmp; | |
1909 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1910 | XSETBUFFER (tmp, buf); | |
8d1d9587 | 1911 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
aa3830c4 | 1912 | |
2f592f95 SM |
1913 | if (EQ (blv->where, tmp)) /* The binding is already loaded. */ |
1914 | return blv_found (blv) ? Qt : Qnil; | |
1915 | else | |
1916 | for (tail = BVAR (buf, local_var_alist); CONSP (tail); tail = XCDR (tail)) | |
1917 | { | |
1918 | elt = XCAR (tail); | |
1919 | if (EQ (variable, XCAR (elt))) | |
1920 | { | |
1921 | eassert (!blv->frame_local); | |
1922 | return Qt; | |
1923 | } | |
1924 | } | |
ce5b453a SM |
1925 | return Qnil; |
1926 | } | |
1927 | case SYMBOL_FORWARDED: | |
1928 | { | |
1929 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1930 | if (BUFFER_OBJFWDP (valcontents)) | |
1931 | { | |
1932 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1933 | int idx = PER_BUFFER_IDX (offset); | |
1934 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
1935 | return Qt; | |
1936 | } | |
1937 | return Qnil; | |
1938 | } | |
1088b922 | 1939 | default: emacs_abort (); |
c48ead86 | 1940 | } |
62476adc | 1941 | } |
f4f04cee RS |
1942 | |
1943 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1944 | 1, 2, 0, |
1a5432bc CY |
1945 | doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there. |
1946 | BUFFER defaults to the current buffer. | |
1947 | ||
1948 | More precisely, return non-nil if either VARIABLE already has a local | |
1949 | value in BUFFER, or if VARIABLE is automatically buffer-local (see | |
1950 | `make-variable-buffer-local'). */) | |
5842a27b | 1951 | (register Lisp_Object variable, Lisp_Object buffer) |
f4f04cee | 1952 | { |
ad97b375 | 1953 | struct Lisp_Symbol *sym; |
f4f04cee | 1954 | |
b7826503 | 1955 | CHECK_SYMBOL (variable); |
ce5b453a | 1956 | sym = XSYMBOL (variable); |
f4f04cee | 1957 | |
ce5b453a SM |
1958 | start: |
1959 | switch (sym->redirect) | |
f4f04cee | 1960 | { |
ce5b453a SM |
1961 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1962 | case SYMBOL_PLAINVAL: return Qnil; | |
1963 | case SYMBOL_LOCALIZED: | |
1964 | { | |
1965 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1966 | if (blv->local_if_set) | |
1967 | return Qt; | |
1968 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ | |
1969 | return Flocal_variable_p (variable, buffer); | |
1970 | } | |
1971 | case SYMBOL_FORWARDED: | |
1972 | /* All BUFFER_OBJFWD slots become local if they are set. */ | |
1973 | return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil); | |
1088b922 | 1974 | default: emacs_abort (); |
f4f04cee | 1975 | } |
f4f04cee | 1976 | } |
6b61353c KH |
1977 | |
1978 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1979 | 1, 1, 0, | |
1980 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1981 | If the current binding is buffer-local, the value is the current buffer. | |
1982 | If the current binding is frame-local, the value is the selected frame. | |
1983 | If the current binding is global (the default), the value is nil. */) | |
5842a27b | 1984 | (register Lisp_Object variable) |
6b61353c | 1985 | { |
ad97b375 | 1986 | struct Lisp_Symbol *sym; |
6b61353c KH |
1987 | |
1988 | CHECK_SYMBOL (variable); | |
ce5b453a | 1989 | sym = XSYMBOL (variable); |
6b61353c KH |
1990 | |
1991 | /* Make sure the current binding is actually swapped in. */ | |
1992 | find_symbol_value (variable); | |
1993 | ||
ce5b453a SM |
1994 | start: |
1995 | switch (sym->redirect) | |
6b61353c | 1996 | { |
ce5b453a SM |
1997 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1998 | case SYMBOL_PLAINVAL: return Qnil; | |
1999 | case SYMBOL_FORWARDED: | |
2000 | { | |
2001 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
2002 | if (KBOARD_OBJFWDP (valcontents)) | |
d2a95ffb | 2003 | return Fframe_terminal (selected_frame); |
ce5b453a SM |
2004 | else if (!BUFFER_OBJFWDP (valcontents)) |
2005 | return Qnil; | |
2006 | } | |
2007 | /* FALLTHROUGH */ | |
2008 | case SYMBOL_LOCALIZED: | |
6b61353c KH |
2009 | /* For a local variable, record both the symbol and which |
2010 | buffer's or frame's value we are saving. */ | |
2011 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
2012 | return Fcurrent_buffer (); | |
ce5b453a | 2013 | else if (sym->redirect == SYMBOL_LOCALIZED |
a04e2c62 | 2014 | && blv_found (SYMBOL_BLV (sym))) |
ce5b453a SM |
2015 | return SYMBOL_BLV (sym)->where; |
2016 | else | |
2017 | return Qnil; | |
1088b922 | 2018 | default: emacs_abort (); |
6b61353c | 2019 | } |
6b61353c | 2020 | } |
2a42d440 | 2021 | |
c40bb1ba | 2022 | /* This code is disabled now that we use the selected frame to return |
7be68de5 | 2023 | keyboard-local-values. */ |
c40bb1ba | 2024 | #if 0 |
f57e2426 | 2025 | extern struct terminal *get_terminal (Lisp_Object display, int); |
2a42d440 | 2026 | |
a7ca3326 | 2027 | DEFUN ("terminal-local-value", Fterminal_local_value, |
16a97296 | 2028 | Sterminal_local_value, 2, 2, 0, |
6ed8eeff | 2029 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
2030 | If SYMBOL is not a terminal-local variable, then return its normal |
2031 | value, like `symbol-value'. | |
2032 | ||
708e05dc | 2033 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2034 | selected frame's terminal device). */) |
5842a27b | 2035 | (Lisp_Object symbol, Lisp_Object terminal) |
2a42d440 KL |
2036 | { |
2037 | Lisp_Object result; | |
6ed8eeff KL |
2038 | struct terminal *t = get_terminal (terminal, 1); |
2039 | push_kboard (t->kboard); | |
2a42d440 | 2040 | result = Fsymbol_value (symbol); |
256c9c3a | 2041 | pop_kboard (); |
2a42d440 KL |
2042 | return result; |
2043 | } | |
2044 | ||
a7ca3326 | 2045 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, |
16a97296 | 2046 | Sset_terminal_local_value, 3, 3, 0, |
6ed8eeff | 2047 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 2048 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
2049 | binding, like `set'. |
2050 | ||
708e05dc | 2051 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2052 | selected frame's terminal device). */) |
5842a27b | 2053 | (Lisp_Object symbol, Lisp_Object terminal, Lisp_Object value) |
2a42d440 KL |
2054 | { |
2055 | Lisp_Object result; | |
6ed8eeff | 2056 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 2057 | push_kboard (d->kboard); |
2a42d440 | 2058 | result = Fset (symbol, value); |
256c9c3a | 2059 | pop_kboard (); |
2a42d440 KL |
2060 | return result; |
2061 | } | |
c40bb1ba | 2062 | #endif |
7921925c | 2063 | \f |
ffd56f97 JB |
2064 | /* Find the function at the end of a chain of symbol function indirections. */ |
2065 | ||
2066 | /* If OBJECT is a symbol, find the end of its function chain and | |
2067 | return the value found there. If OBJECT is not a symbol, just | |
2068 | return it. If there is a cycle in the function chain, signal a | |
2069 | cyclic-function-indirection error. | |
2070 | ||
2071 | This is like Findirect_function, except that it doesn't signal an | |
2072 | error if the chain ends up unbound. */ | |
2073 | Lisp_Object | |
971de7fb | 2074 | indirect_function (register Lisp_Object object) |
ffd56f97 | 2075 | { |
eb8c3be9 | 2076 | Lisp_Object tortoise, hare; |
ffd56f97 | 2077 | |
eb8c3be9 | 2078 | hare = tortoise = object; |
ffd56f97 JB |
2079 | |
2080 | for (;;) | |
2081 | { | |
eadf1faa | 2082 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2083 | break; |
c644523b | 2084 | hare = XSYMBOL (hare)->function; |
eadf1faa | 2085 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2086 | break; |
c644523b | 2087 | hare = XSYMBOL (hare)->function; |
ffd56f97 | 2088 | |
c644523b | 2089 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 2090 | |
eb8c3be9 | 2091 | if (EQ (hare, tortoise)) |
740ef0b5 | 2092 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
2093 | } |
2094 | ||
2095 | return hare; | |
2096 | } | |
2097 | ||
a7ca3326 | 2098 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 2099 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
2100 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
2101 | function indirections to find the final function binding and return it. | |
2102 | If the final symbol in the chain is unbound, signal a void-function error. | |
8350f087 | 2103 | Optional arg NOERROR non-nil means to return nil instead of signaling. |
8c1a1077 PJ |
2104 | Signal a cyclic-function-indirection error if there is a loop in the |
2105 | function chain of symbols. */) | |
5842a27b | 2106 | (register Lisp_Object object, Lisp_Object noerror) |
ffd56f97 JB |
2107 | { |
2108 | Lisp_Object result; | |
2109 | ||
64de53d8 KS |
2110 | /* Optimize for no indirection. */ |
2111 | result = object; | |
eadf1faa | 2112 | if (SYMBOLP (result) && !NILP (result) |
c644523b | 2113 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) |
64de53d8 | 2114 | result = indirect_function (result); |
eadf1faa | 2115 | if (!NILP (result)) |
64de53d8 | 2116 | return result; |
ffd56f97 | 2117 | |
64de53d8 | 2118 | if (NILP (noerror)) |
740ef0b5 | 2119 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 2120 | |
64de53d8 | 2121 | return Qnil; |
ffd56f97 JB |
2122 | } |
2123 | \f | |
7abaf5cc | 2124 | /* Extract and set vector and string elements. */ |
7921925c | 2125 | |
a7ca3326 | 2126 | DEFUN ("aref", Faref, Saref, 2, 2, 0, |
8c1a1077 PJ |
2127 | doc: /* Return the element of ARRAY at index IDX. |
2128 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
2129 | or a byte-code object. IDX starts at 0. */) | |
5842a27b | 2130 | (register Lisp_Object array, Lisp_Object idx) |
7921925c | 2131 | { |
ace1712c | 2132 | register EMACS_INT idxval; |
7921925c | 2133 | |
b7826503 | 2134 | CHECK_NUMBER (idx); |
7921925c | 2135 | idxval = XINT (idx); |
e9ebc175 | 2136 | if (STRINGP (array)) |
7921925c | 2137 | { |
ace1712c | 2138 | int c; |
d311d28c | 2139 | ptrdiff_t idxval_byte; |
25638b07 | 2140 | |
d5db4077 | 2141 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2142 | args_out_of_range (array, idx); |
25638b07 | 2143 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2144 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2145 | idxval_byte = string_char_to_byte (array, idxval); |
2146 | ||
62a6e103 | 2147 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2148 | return make_number (c); |
7921925c | 2149 | } |
4d276982 RS |
2150 | else if (BOOL_VECTOR_P (array)) |
2151 | { | |
1c0a7493 | 2152 | if (idxval < 0 || idxval >= bool_vector_size (array)) |
4d276982 | 2153 | args_out_of_range (array, idx); |
df5b4930 | 2154 | return bool_vector_ref (array, idxval); |
4d276982 RS |
2155 | } |
2156 | else if (CHAR_TABLE_P (array)) | |
2157 | { | |
e6e1f521 KH |
2158 | CHECK_CHARACTER (idx); |
2159 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2160 | } |
7921925c | 2161 | else |
c24e4efe | 2162 | { |
90d8445b | 2163 | ptrdiff_t size = 0; |
7f358972 | 2164 | if (VECTORP (array)) |
77b37c05 | 2165 | size = ASIZE (array); |
876c194c | 2166 | else if (COMPILEDP (array)) |
77b37c05 | 2167 | size = ASIZE (array) & PSEUDOVECTOR_SIZE_MASK; |
7f358972 RS |
2168 | else |
2169 | wrong_type_argument (Qarrayp, array); | |
2170 | ||
2171 | if (idxval < 0 || idxval >= size) | |
c24e4efe | 2172 | args_out_of_range (array, idx); |
b9598260 | 2173 | return AREF (array, idxval); |
c24e4efe | 2174 | } |
7921925c JB |
2175 | } |
2176 | ||
a7ca3326 | 2177 | DEFUN ("aset", Faset, Saset, 3, 3, 0, |
8c1a1077 | 2178 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2179 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2180 | bool-vector. IDX starts at 0. */) | |
5842a27b | 2181 | (register Lisp_Object array, Lisp_Object idx, Lisp_Object newelt) |
7921925c | 2182 | { |
ace1712c | 2183 | register EMACS_INT idxval; |
7921925c | 2184 | |
b7826503 | 2185 | CHECK_NUMBER (idx); |
7921925c | 2186 | idxval = XINT (idx); |
0c64a8cd | 2187 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2188 | CHECK_IMPURE (array); |
2189 | ||
e9ebc175 | 2190 | if (VECTORP (array)) |
c24e4efe | 2191 | { |
77b37c05 | 2192 | if (idxval < 0 || idxval >= ASIZE (array)) |
c24e4efe | 2193 | args_out_of_range (array, idx); |
28be1ada | 2194 | ASET (array, idxval, newelt); |
c24e4efe | 2195 | } |
4d276982 RS |
2196 | else if (BOOL_VECTOR_P (array)) |
2197 | { | |
1c0a7493 | 2198 | if (idxval < 0 || idxval >= bool_vector_size (array)) |
4d276982 | 2199 | args_out_of_range (array, idx); |
df5b4930 | 2200 | bool_vector_set (array, idxval, !NILP (newelt)); |
4d276982 RS |
2201 | } |
2202 | else if (CHAR_TABLE_P (array)) | |
2203 | { | |
e6e1f521 KH |
2204 | CHECK_CHARACTER (idx); |
2205 | CHAR_TABLE_SET (array, idxval, newelt); | |
4d276982 | 2206 | } |
0fed43f3 | 2207 | else |
25638b07 | 2208 | { |
13bdea59 | 2209 | int c; |
25638b07 | 2210 | |
d5db4077 | 2211 | if (idxval < 0 || idxval >= SCHARS (array)) |
25638b07 | 2212 | args_out_of_range (array, idx); |
d9130605 | 2213 | CHECK_CHARACTER (newelt); |
13bdea59 | 2214 | c = XFASTINT (newelt); |
25638b07 | 2215 | |
0fed43f3 | 2216 | if (STRING_MULTIBYTE (array)) |
3c9de1af | 2217 | { |
d311d28c PE |
2218 | ptrdiff_t idxval_byte, nbytes; |
2219 | int prev_bytes, new_bytes; | |
0fed43f3 PE |
2220 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1; |
2221 | ||
2222 | nbytes = SBYTES (array); | |
2223 | idxval_byte = string_char_to_byte (array, idxval); | |
d5db4077 | 2224 | p1 = SDATA (array) + idxval_byte; |
0fed43f3 PE |
2225 | prev_bytes = BYTES_BY_CHAR_HEAD (*p1); |
2226 | new_bytes = CHAR_STRING (c, p0); | |
2227 | if (prev_bytes != new_bytes) | |
2228 | { | |
2229 | /* We must relocate the string data. */ | |
d311d28c | 2230 | ptrdiff_t nchars = SCHARS (array); |
0fed43f3 | 2231 | USE_SAFE_ALLOCA; |
98c6f1e3 | 2232 | unsigned char *str = SAFE_ALLOCA (nbytes); |
0fed43f3 | 2233 | |
0fed43f3 PE |
2234 | memcpy (str, SDATA (array), nbytes); |
2235 | allocate_string_data (XSTRING (array), nchars, | |
2236 | nbytes + new_bytes - prev_bytes); | |
2237 | memcpy (SDATA (array), str, idxval_byte); | |
2238 | p1 = SDATA (array) + idxval_byte; | |
2239 | memcpy (p1 + new_bytes, str + idxval_byte + prev_bytes, | |
2240 | nbytes - (idxval_byte + prev_bytes)); | |
2241 | SAFE_FREE (); | |
2242 | clear_string_char_byte_cache (); | |
2243 | } | |
2244 | while (new_bytes--) | |
2245 | *p1++ = *p0++; | |
3c9de1af | 2246 | } |
0fed43f3 | 2247 | else |
5dff5999 | 2248 | { |
0fed43f3 PE |
2249 | if (! SINGLE_BYTE_CHAR_P (c)) |
2250 | { | |
2251 | int i; | |
2252 | ||
2253 | for (i = SBYTES (array) - 1; i >= 0; i--) | |
2254 | if (SREF (array, i) >= 0x80) | |
2255 | args_out_of_range (array, newelt); | |
2256 | /* ARRAY is an ASCII string. Convert it to a multibyte | |
2257 | string, and try `aset' again. */ | |
2258 | STRING_SET_MULTIBYTE (array); | |
2259 | return Faset (array, idx, newelt); | |
2260 | } | |
2261 | SSET (array, idxval, c); | |
5dff5999 | 2262 | } |
7921925c JB |
2263 | } |
2264 | ||
2265 | return newelt; | |
2266 | } | |
7921925c JB |
2267 | \f |
2268 | /* Arithmetic functions */ | |
2269 | ||
ebb99847 BR |
2270 | Lisp_Object |
2271 | arithcompare (Lisp_Object num1, Lisp_Object num2, enum Arith_Comparison comparison) | |
7921925c | 2272 | { |
6bbd7a29 | 2273 | double f1 = 0, f2 = 0; |
de1339b0 | 2274 | bool floatp = 0; |
7921925c | 2275 | |
b7826503 PJ |
2276 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2277 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2278 | |
e9ebc175 | 2279 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2280 | { |
2281 | floatp = 1; | |
7539e11f KR |
2282 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2283 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2284 | } |
7921925c JB |
2285 | |
2286 | switch (comparison) | |
2287 | { | |
ebb99847 | 2288 | case ARITH_EQUAL: |
7921925c JB |
2289 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) |
2290 | return Qt; | |
2291 | return Qnil; | |
2292 | ||
ebb99847 | 2293 | case ARITH_NOTEQUAL: |
7921925c JB |
2294 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) |
2295 | return Qt; | |
2296 | return Qnil; | |
2297 | ||
ebb99847 | 2298 | case ARITH_LESS: |
7921925c JB |
2299 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) |
2300 | return Qt; | |
2301 | return Qnil; | |
2302 | ||
ebb99847 | 2303 | case ARITH_LESS_OR_EQUAL: |
7921925c JB |
2304 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) |
2305 | return Qt; | |
2306 | return Qnil; | |
2307 | ||
ebb99847 | 2308 | case ARITH_GRTR: |
7921925c JB |
2309 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) |
2310 | return Qt; | |
2311 | return Qnil; | |
2312 | ||
ebb99847 | 2313 | case ARITH_GRTR_OR_EQUAL: |
7921925c JB |
2314 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) |
2315 | return Qt; | |
2316 | return Qnil; | |
25e40a4b JB |
2317 | |
2318 | default: | |
1088b922 | 2319 | emacs_abort (); |
7921925c JB |
2320 | } |
2321 | } | |
2322 | ||
ebb99847 BR |
2323 | static Lisp_Object |
2324 | arithcompare_driver (ptrdiff_t nargs, Lisp_Object *args, | |
2325 | enum Arith_Comparison comparison) | |
7921925c | 2326 | { |
56a0e352 PE |
2327 | ptrdiff_t argnum; |
2328 | for (argnum = 1; argnum < nargs; ++argnum) | |
ebb99847 BR |
2329 | { |
2330 | if (EQ (Qnil, arithcompare (args[argnum-1], args[argnum], comparison))) | |
2331 | return Qnil; | |
2332 | } | |
2333 | return Qt; | |
7921925c JB |
2334 | } |
2335 | ||
ebb99847 | 2336 | DEFUN ("=", Feqlsign, Seqlsign, 1, MANY, 0, |
53482f41 DA |
2337 | doc: /* Return t if args, all numbers or markers, are equal. |
2338 | usage: (= NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2339 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2340 | { |
ebb99847 | 2341 | return arithcompare_driver (nargs, args, ARITH_EQUAL); |
7921925c JB |
2342 | } |
2343 | ||
ebb99847 | 2344 | DEFUN ("<", Flss, Slss, 1, MANY, 0, |
53482f41 DA |
2345 | doc: /* Return t if each arg is less than the next arg. All must be numbers or markers. |
2346 | usage: (< NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2347 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2348 | { |
ebb99847 | 2349 | return arithcompare_driver (nargs, args, ARITH_LESS); |
7921925c JB |
2350 | } |
2351 | ||
ebb99847 | 2352 | DEFUN (">", Fgtr, Sgtr, 1, MANY, 0, |
53482f41 DA |
2353 | doc: /* Return t if each arg is greater than the next arg. All must be numbers or markers. |
2354 | usage: (> NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) | |
ebb99847 | 2355 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2356 | { |
ebb99847 | 2357 | return arithcompare_driver (nargs, args, ARITH_GRTR); |
7921925c JB |
2358 | } |
2359 | ||
ebb99847 BR |
2360 | DEFUN ("<=", Fleq, Sleq, 1, MANY, 0, |
2361 | doc: /* Return t if each arg is less 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 BR |
2364 | (ptrdiff_t nargs, Lisp_Object *args) |
2365 | { | |
2366 | return arithcompare_driver (nargs, args, ARITH_LESS_OR_EQUAL); | |
2367 | } | |
2368 | ||
2369 | DEFUN (">=", Fgeq, Sgeq, 1, MANY, 0, | |
2370 | doc: /* Return t if each arg is greater than or equal to the next arg. | |
53482f41 | 2371 | All must be numbers or markers. |
bd21bf41 | 2372 | usage: (>= NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
ebb99847 | 2373 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2374 | { |
ebb99847 | 2375 | return arithcompare_driver (nargs, args, ARITH_GRTR_OR_EQUAL); |
7921925c JB |
2376 | } |
2377 | ||
2378 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 | 2379 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
5842a27b | 2380 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c | 2381 | { |
ebb99847 | 2382 | return arithcompare (num1, num2, ARITH_NOTEQUAL); |
7921925c JB |
2383 | } |
2384 | ||
a7ca3326 | 2385 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
8c1a1077 | 2386 | doc: /* Return t if NUMBER is zero. */) |
5842a27b | 2387 | (register Lisp_Object number) |
7921925c | 2388 | { |
b7826503 | 2389 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2390 | |
d9c2a0f2 | 2391 | if (FLOATP (number)) |
7921925c | 2392 | { |
7539e11f | 2393 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2394 | return Qt; |
2395 | return Qnil; | |
2396 | } | |
7921925c | 2397 | |
d9c2a0f2 | 2398 | if (!XINT (number)) |
7921925c JB |
2399 | return Qt; |
2400 | return Qnil; | |
2401 | } | |
2402 | \f | |
be44ca6c PE |
2403 | /* Convert the cons-of-integers, integer, or float value C to an |
2404 | unsigned value with maximum value MAX. Signal an error if C does not | |
2405 | have a valid format or is out of range. */ | |
2406 | uintmax_t | |
2407 | cons_to_unsigned (Lisp_Object c, uintmax_t max) | |
2408 | { | |
de1339b0 | 2409 | bool valid = 0; |
be44ca6c PE |
2410 | uintmax_t val IF_LINT (= 0); |
2411 | if (INTEGERP (c)) | |
2412 | { | |
2413 | valid = 0 <= XINT (c); | |
2414 | val = XINT (c); | |
2415 | } | |
2416 | else if (FLOATP (c)) | |
2417 | { | |
2418 | double d = XFLOAT_DATA (c); | |
2419 | if (0 <= d | |
2420 | && d < (max == UINTMAX_MAX ? (double) UINTMAX_MAX + 1 : max + 1)) | |
2421 | { | |
2422 | val = d; | |
2423 | valid = 1; | |
2424 | } | |
2425 | } | |
2426 | else if (CONSP (c) && NATNUMP (XCAR (c))) | |
2427 | { | |
2428 | uintmax_t top = XFASTINT (XCAR (c)); | |
2429 | Lisp_Object rest = XCDR (c); | |
2430 | if (top <= UINTMAX_MAX >> 24 >> 16 | |
2431 | && CONSP (rest) | |
2432 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2433 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2434 | { | |
2435 | uintmax_t mid = XFASTINT (XCAR (rest)); | |
2436 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2437 | valid = 1; | |
2438 | } | |
2439 | else if (top <= UINTMAX_MAX >> 16) | |
2440 | { | |
2441 | if (CONSP (rest)) | |
2442 | rest = XCAR (rest); | |
2443 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2444 | { | |
2445 | val = top << 16 | XFASTINT (rest); | |
2446 | valid = 1; | |
2447 | } | |
2448 | } | |
2449 | } | |
51cf3e31 | 2450 | |
be44ca6c PE |
2451 | if (! (valid && val <= max)) |
2452 | error ("Not an in-range integer, float, or cons of integers"); | |
2453 | return val; | |
51cf3e31 JB |
2454 | } |
2455 | ||
be44ca6c PE |
2456 | /* Convert the cons-of-integers, integer, or float value C to a signed |
2457 | value with extrema MIN and MAX. Signal an error if C does not have | |
2458 | a valid format or is out of range. */ | |
2459 | intmax_t | |
2460 | cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max) | |
51cf3e31 | 2461 | { |
de1339b0 | 2462 | bool valid = 0; |
be44ca6c | 2463 | intmax_t val IF_LINT (= 0); |
51cf3e31 | 2464 | if (INTEGERP (c)) |
be44ca6c PE |
2465 | { |
2466 | val = XINT (c); | |
2467 | valid = 1; | |
2468 | } | |
2469 | else if (FLOATP (c)) | |
2470 | { | |
2471 | double d = XFLOAT_DATA (c); | |
2472 | if (min <= d | |
2473 | && d < (max == INTMAX_MAX ? (double) INTMAX_MAX + 1 : max + 1)) | |
2474 | { | |
2475 | val = d; | |
2476 | valid = 1; | |
2477 | } | |
2478 | } | |
2479 | else if (CONSP (c) && INTEGERP (XCAR (c))) | |
2480 | { | |
2481 | intmax_t top = XINT (XCAR (c)); | |
2482 | Lisp_Object rest = XCDR (c); | |
2483 | if (INTMAX_MIN >> 24 >> 16 <= top && top <= INTMAX_MAX >> 24 >> 16 | |
2484 | && CONSP (rest) | |
2485 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2486 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2487 | { | |
2488 | intmax_t mid = XFASTINT (XCAR (rest)); | |
2489 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2490 | valid = 1; | |
2491 | } | |
2492 | else if (INTMAX_MIN >> 16 <= top && top <= INTMAX_MAX >> 16) | |
2493 | { | |
2494 | if (CONSP (rest)) | |
2495 | rest = XCAR (rest); | |
2496 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2497 | { | |
2498 | val = top << 16 | XFASTINT (rest); | |
2499 | valid = 1; | |
2500 | } | |
2501 | } | |
2502 | } | |
2503 | ||
2504 | if (! (valid && min <= val && val <= max)) | |
2505 | error ("Not an in-range integer, float, or cons of integers"); | |
2506 | return val; | |
51cf3e31 JB |
2507 | } |
2508 | \f | |
a7ca3326 | 2509 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2510 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2511 | Uses a minus sign if negative. |
2512 | NUMBER may be an integer or a floating point number. */) | |
5842a27b | 2513 | (Lisp_Object number) |
7921925c | 2514 | { |
99027bdd PE |
2515 | char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))]; |
2516 | int len; | |
7921925c | 2517 | |
b7826503 | 2518 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2519 | |
d9c2a0f2 | 2520 | if (FLOATP (number)) |
99027bdd PE |
2521 | len = float_to_string (buffer, XFLOAT_DATA (number)); |
2522 | else | |
2523 | len = sprintf (buffer, "%"pI"d", XINT (number)); | |
7921925c | 2524 | |
99027bdd | 2525 | return make_unibyte_string (buffer, len); |
7921925c JB |
2526 | } |
2527 | ||
a7ca3326 | 2528 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, |
558ee900 | 2529 | doc: /* Parse STRING as a decimal number and return the number. |
12cb2b06 PE |
2530 | Ignore leading spaces and tabs, and all trailing chars. Return 0 if |
2531 | STRING cannot be parsed as an integer or floating point number. | |
8c1a1077 PJ |
2532 | |
2533 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2534 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
12cb2b06 | 2535 | If the base used is not 10, STRING is always parsed as an integer. */) |
5842a27b | 2536 | (register Lisp_Object string, Lisp_Object base) |
7921925c | 2537 | { |
57ace6d0 | 2538 | register char *p; |
342858a5 | 2539 | register int b; |
452f4150 | 2540 | Lisp_Object val; |
25e40a4b | 2541 | |
b7826503 | 2542 | CHECK_STRING (string); |
7921925c | 2543 | |
3883fbeb RS |
2544 | if (NILP (base)) |
2545 | b = 10; | |
2546 | else | |
2547 | { | |
b7826503 | 2548 | CHECK_NUMBER (base); |
d311d28c | 2549 | if (! (2 <= XINT (base) && XINT (base) <= 16)) |
740ef0b5 | 2550 | xsignal1 (Qargs_out_of_range, base); |
d311d28c | 2551 | b = XINT (base); |
3883fbeb RS |
2552 | } |
2553 | ||
57ace6d0 | 2554 | p = SSDATA (string); |
0a3e4d65 | 2555 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2556 | p++; |
2557 | ||
452f4150 PE |
2558 | val = string_to_number (p, b, 1); |
2559 | return NILP (val) ? make_number (0) : val; | |
7921925c | 2560 | } |
7403b5c8 | 2561 | \f |
7921925c | 2562 | enum arithop |
7a283f36 GM |
2563 | { |
2564 | Aadd, | |
2565 | Asub, | |
2566 | Amult, | |
2567 | Adiv, | |
2568 | Alogand, | |
2569 | Alogior, | |
2570 | Alogxor, | |
2571 | Amax, | |
2572 | Amin | |
2573 | }; | |
2574 | ||
f66c7cf8 PE |
2575 | static Lisp_Object float_arith_driver (double, ptrdiff_t, enum arithop, |
2576 | ptrdiff_t, Lisp_Object *); | |
112396d6 | 2577 | static Lisp_Object |
f66c7cf8 | 2578 | arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2579 | { |
de1339b0 PE |
2580 | Lisp_Object val; |
2581 | ptrdiff_t argnum, ok_args; | |
2582 | EMACS_INT accum = 0; | |
2583 | EMACS_INT next, ok_accum; | |
2584 | bool overflow = 0; | |
0ae6bdee | 2585 | |
7393bcbb | 2586 | switch (code) |
7921925c JB |
2587 | { |
2588 | case Alogior: | |
2589 | case Alogxor: | |
2590 | case Aadd: | |
2591 | case Asub: | |
7a283f36 GM |
2592 | accum = 0; |
2593 | break; | |
7921925c | 2594 | case Amult: |
7a283f36 GM |
2595 | accum = 1; |
2596 | break; | |
7921925c | 2597 | case Alogand: |
7a283f36 GM |
2598 | accum = -1; |
2599 | break; | |
2600 | default: | |
2601 | break; | |
7921925c JB |
2602 | } |
2603 | ||
2604 | for (argnum = 0; argnum < nargs; argnum++) | |
2605 | { | |
0ae6bdee PE |
2606 | if (! overflow) |
2607 | { | |
2608 | ok_args = argnum; | |
2609 | ok_accum = accum; | |
2610 | } | |
2611 | ||
7a283f36 GM |
2612 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2613 | val = args[argnum]; | |
b7826503 | 2614 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2615 | |
7a283f36 | 2616 | if (FLOATP (val)) |
0ae6bdee | 2617 | return float_arith_driver (ok_accum, ok_args, code, |
7a283f36 GM |
2618 | nargs, args); |
2619 | args[argnum] = val; | |
7921925c | 2620 | next = XINT (args[argnum]); |
7393bcbb | 2621 | switch (code) |
7921925c | 2622 | { |
7a283f36 | 2623 | case Aadd: |
0ae6bdee PE |
2624 | if (INT_ADD_OVERFLOW (accum, next)) |
2625 | { | |
2626 | overflow = 1; | |
2627 | accum &= INTMASK; | |
2628 | } | |
7a283f36 GM |
2629 | accum += next; |
2630 | break; | |
7921925c | 2631 | case Asub: |
0ae6bdee PE |
2632 | if (INT_SUBTRACT_OVERFLOW (accum, next)) |
2633 | { | |
2634 | overflow = 1; | |
2635 | accum &= INTMASK; | |
2636 | } | |
e64981da | 2637 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2638 | break; |
7a283f36 | 2639 | case Amult: |
0ae6bdee PE |
2640 | if (INT_MULTIPLY_OVERFLOW (accum, next)) |
2641 | { | |
c8a9ca5a | 2642 | EMACS_UINT a = accum, b = next, ab = a * b; |
0ae6bdee | 2643 | overflow = 1; |
c8a9ca5a | 2644 | accum = ab & INTMASK; |
0ae6bdee PE |
2645 | } |
2646 | else | |
2647 | accum *= next; | |
7a283f36 | 2648 | break; |
7921925c | 2649 | case Adiv: |
7a283f36 GM |
2650 | if (!argnum) |
2651 | accum = next; | |
87fbf902 RS |
2652 | else |
2653 | { | |
2654 | if (next == 0) | |
740ef0b5 | 2655 | xsignal0 (Qarith_error); |
87fbf902 RS |
2656 | accum /= next; |
2657 | } | |
7921925c | 2658 | break; |
7a283f36 GM |
2659 | case Alogand: |
2660 | accum &= next; | |
2661 | break; | |
2662 | case Alogior: | |
2663 | accum |= next; | |
2664 | break; | |
2665 | case Alogxor: | |
2666 | accum ^= next; | |
2667 | break; | |
2668 | case Amax: | |
2669 | if (!argnum || next > accum) | |
2670 | accum = next; | |
2671 | break; | |
2672 | case Amin: | |
2673 | if (!argnum || next < accum) | |
2674 | accum = next; | |
2675 | break; | |
7921925c JB |
2676 | } |
2677 | } | |
2678 | ||
f187f1f7 | 2679 | XSETINT (val, accum); |
7921925c JB |
2680 | return val; |
2681 | } | |
2682 | ||
1a2f2d33 KH |
2683 | #undef isnan |
2684 | #define isnan(x) ((x) != (x)) | |
2685 | ||
7a283f36 | 2686 | static Lisp_Object |
f66c7cf8 PE |
2687 | float_arith_driver (double accum, ptrdiff_t argnum, enum arithop code, |
2688 | ptrdiff_t nargs, Lisp_Object *args) | |
7921925c JB |
2689 | { |
2690 | register Lisp_Object val; | |
2691 | double next; | |
7403b5c8 | 2692 | |
7921925c JB |
2693 | for (; argnum < nargs; argnum++) |
2694 | { | |
2695 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2696 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2697 | |
e9ebc175 | 2698 | if (FLOATP (val)) |
7921925c | 2699 | { |
7539e11f | 2700 | next = XFLOAT_DATA (val); |
7921925c JB |
2701 | } |
2702 | else | |
2703 | { | |
2704 | args[argnum] = val; /* runs into a compiler bug. */ | |
2705 | next = XINT (args[argnum]); | |
2706 | } | |
7393bcbb | 2707 | switch (code) |
7921925c JB |
2708 | { |
2709 | case Aadd: | |
2710 | accum += next; | |
2711 | break; | |
2712 | case Asub: | |
e64981da | 2713 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2714 | break; |
2715 | case Amult: | |
2716 | accum *= next; | |
2717 | break; | |
2718 | case Adiv: | |
2719 | if (!argnum) | |
2720 | accum = next; | |
2721 | else | |
87fbf902 | 2722 | { |
ad8d56b9 | 2723 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2724 | xsignal0 (Qarith_error); |
87fbf902 RS |
2725 | accum /= next; |
2726 | } | |
7921925c JB |
2727 | break; |
2728 | case Alogand: | |
2729 | case Alogior: | |
2730 | case Alogxor: | |
2731 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2732 | case Amax: | |
1a2f2d33 | 2733 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2734 | accum = next; |
2735 | break; | |
2736 | case Amin: | |
1a2f2d33 | 2737 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2738 | accum = next; |
2739 | break; | |
2740 | } | |
2741 | } | |
2742 | ||
2743 | return make_float (accum); | |
2744 | } | |
cc94f3b2 | 2745 | |
7921925c | 2746 | |
a7ca3326 | 2747 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, |
8c1a1077 PJ |
2748 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2749 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
f66c7cf8 | 2750 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2751 | { |
2752 | return arith_driver (Aadd, nargs, args); | |
2753 | } | |
2754 | ||
a7ca3326 | 2755 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, |
558ee900 | 2756 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2757 | With one arg, negates it. With more than one arg, |
f44fba9e | 2758 | subtracts all but the first from the first. |
8c1a1077 | 2759 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2760 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2761 | { |
2762 | return arith_driver (Asub, nargs, args); | |
2763 | } | |
2764 | ||
a7ca3326 | 2765 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, |
be24eadf | 2766 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 | 2767 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2768 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2769 | { |
2770 | return arith_driver (Amult, nargs, args); | |
2771 | } | |
2772 | ||
32e5c58c | 2773 | DEFUN ("/", Fquo, Squo, 1, MANY, 0, |
be24eadf | 2774 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2775 | The arguments must be numbers or markers. |
32e5c58c | 2776 | usage: (/ DIVIDEND &rest DIVISORS) */) |
f66c7cf8 | 2777 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2778 | { |
f66c7cf8 | 2779 | ptrdiff_t argnum; |
7ef98053 | 2780 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2781 | if (FLOATP (args[argnum])) |
2782 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2783 | return arith_driver (Adiv, nargs, args); |
2784 | } | |
2785 | ||
a7ca3326 | 2786 | DEFUN ("%", Frem, Srem, 2, 2, 0, |
be24eadf | 2787 | doc: /* Return remainder of X divided by Y. |
8c1a1077 | 2788 | Both must be integers or markers. */) |
5842a27b | 2789 | (register Lisp_Object x, Lisp_Object y) |
7921925c JB |
2790 | { |
2791 | Lisp_Object val; | |
2792 | ||
b7826503 PJ |
2793 | CHECK_NUMBER_COERCE_MARKER (x); |
2794 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2795 | |
d311d28c | 2796 | if (XINT (y) == 0) |
740ef0b5 | 2797 | xsignal0 (Qarith_error); |
87fbf902 | 2798 | |
d9c2a0f2 | 2799 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2800 | return val; |
2801 | } | |
2802 | ||
44fa9da5 | 2803 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2804 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2805 | The result falls between zero (inclusive) and Y (exclusive). |
2806 | Both X and Y must be numbers or markers. */) | |
5842a27b | 2807 | (register Lisp_Object x, Lisp_Object y) |
44fa9da5 PE |
2808 | { |
2809 | Lisp_Object val; | |
5260234d | 2810 | EMACS_INT i1, i2; |
44fa9da5 | 2811 | |
b7826503 PJ |
2812 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2813 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2814 | |
d9c2a0f2 | 2815 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2816 | return fmod_float (x, y); |
2817 | ||
d9c2a0f2 EN |
2818 | i1 = XINT (x); |
2819 | i2 = XINT (y); | |
44fa9da5 PE |
2820 | |
2821 | if (i2 == 0) | |
740ef0b5 | 2822 | xsignal0 (Qarith_error); |
7403b5c8 | 2823 | |
44fa9da5 PE |
2824 | i1 %= i2; |
2825 | ||
2826 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2827 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2828 | i1 += i2; |
2829 | ||
f187f1f7 | 2830 | XSETINT (val, i1); |
44fa9da5 PE |
2831 | return val; |
2832 | } | |
2833 | ||
a7ca3326 | 2834 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2835 | doc: /* Return largest 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: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2838 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2839 | { |
2840 | return arith_driver (Amax, nargs, args); | |
2841 | } | |
2842 | ||
a7ca3326 | 2843 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, |
8c1a1077 | 2844 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2845 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2846 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2847 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2848 | { |
2849 | return arith_driver (Amin, nargs, args); | |
2850 | } | |
2851 | ||
2852 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2853 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2854 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2855 | usage: (logand &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2856 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2857 | { |
2858 | return arith_driver (Alogand, nargs, args); | |
2859 | } | |
2860 | ||
2861 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2862 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2863 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2864 | usage: (logior &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2865 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2866 | { |
2867 | return arith_driver (Alogior, nargs, args); | |
2868 | } | |
2869 | ||
2870 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2871 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2872 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2873 | usage: (logxor &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2874 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2875 | { |
2876 | return arith_driver (Alogxor, nargs, args); | |
2877 | } | |
2878 | ||
2879 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2880 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2881 | If COUNT is negative, shifting is actually to the right. | |
2882 | In this case, the sign bit is duplicated. */) | |
5842a27b | 2883 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2884 | { |
2885 | register Lisp_Object val; | |
2886 | ||
b7826503 PJ |
2887 | CHECK_NUMBER (value); |
2888 | CHECK_NUMBER (count); | |
7921925c | 2889 | |
81d70626 RS |
2890 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2891 | XSETINT (val, 0); | |
2892 | else if (XINT (count) > 0) | |
3d9652eb | 2893 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2894 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2895 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2896 | else |
3d9652eb | 2897 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2898 | return val; |
2899 | } | |
2900 | ||
2901 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2902 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2903 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2904 | In this case, zeros are shifted in on the left. */) |
5842a27b | 2905 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2906 | { |
2907 | register Lisp_Object val; | |
2908 | ||
b7826503 PJ |
2909 | CHECK_NUMBER (value); |
2910 | CHECK_NUMBER (count); | |
7921925c | 2911 | |
81d70626 RS |
2912 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2913 | XSETINT (val, 0); | |
2914 | else if (XINT (count) > 0) | |
c8a9ca5a | 2915 | XSETINT (val, XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2916 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2917 | XSETINT (val, 0); | |
7921925c | 2918 | else |
c8a9ca5a | 2919 | XSETINT (val, XUINT (value) >> -XINT (count)); |
7921925c JB |
2920 | return val; |
2921 | } | |
2922 | ||
a7ca3326 | 2923 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, |
8c1a1077 PJ |
2924 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2925 | Markers are converted to integers. */) | |
5842a27b | 2926 | (register Lisp_Object number) |
7921925c | 2927 | { |
b7826503 | 2928 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2929 | |
d9c2a0f2 | 2930 | if (FLOATP (number)) |
7539e11f | 2931 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2932 | |
d9c2a0f2 EN |
2933 | XSETINT (number, XINT (number) + 1); |
2934 | return number; | |
7921925c JB |
2935 | } |
2936 | ||
a7ca3326 | 2937 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, |
8c1a1077 PJ |
2938 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2939 | Markers are converted to integers. */) | |
5842a27b | 2940 | (register Lisp_Object number) |
7921925c | 2941 | { |
b7826503 | 2942 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2943 | |
d9c2a0f2 | 2944 | if (FLOATP (number)) |
7539e11f | 2945 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2946 | |
d9c2a0f2 EN |
2947 | XSETINT (number, XINT (number) - 1); |
2948 | return number; | |
7921925c JB |
2949 | } |
2950 | ||
2951 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 | 2952 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
5842a27b | 2953 | (register Lisp_Object number) |
7921925c | 2954 | { |
b7826503 | 2955 | CHECK_NUMBER (number); |
53924017 | 2956 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2957 | return number; |
7921925c | 2958 | } |
6b61353c | 2959 | |
a7ca3326 | 2960 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, |
6b61353c KH |
2961 | doc: /* Return the byteorder for the machine. |
2962 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2963 | lowercase l) for small endian machines. */) | |
5842a27b | 2964 | (void) |
6b61353c KH |
2965 | { |
2966 | unsigned i = 0x04030201; | |
2967 | int order = *(char *)&i == 1 ? 108 : 66; | |
2968 | ||
2969 | return make_number (order); | |
2970 | } | |
2971 | ||
3e0b94e7 DC |
2972 | /* Because we round up the bool vector allocate size to word_size |
2973 | units, we can safely read past the "end" of the vector in the | |
2cf00efc | 2974 | operations below. These extra bits are always zero. */ |
3e0b94e7 | 2975 | |
87c4314d | 2976 | static bits_word |
f2752e01 | 2977 | bool_vector_spare_mask (EMACS_INT nr_bits) |
3e0b94e7 | 2978 | { |
87c4314d | 2979 | return (((bits_word) 1) << (nr_bits % BITS_PER_BITS_WORD)) - 1; |
3e0b94e7 DC |
2980 | } |
2981 | ||
2cf00efc PE |
2982 | /* Info about unsigned long long, falling back on unsigned long |
2983 | if unsigned long long is not available. */ | |
2984 | ||
2985 | #if HAVE_UNSIGNED_LONG_LONG_INT | |
2986 | enum { BITS_PER_ULL = CHAR_BIT * sizeof (unsigned long long) }; | |
56a0e352 | 2987 | # define ULL_MAX ULLONG_MAX |
3e0b94e7 | 2988 | #else |
2cf00efc | 2989 | enum { BITS_PER_ULL = CHAR_BIT * sizeof (unsigned long) }; |
56a0e352 | 2990 | # define ULL_MAX ULONG_MAX |
2cf00efc | 2991 | # define count_one_bits_ll count_one_bits_l |
56a0e352 | 2992 | # define count_trailing_zeros_ll count_trailing_zeros_l |
3e0b94e7 DC |
2993 | #endif |
2994 | ||
2cf00efc PE |
2995 | /* Shift VAL right by the width of an unsigned long long. |
2996 | BITS_PER_ULL must be less than BITS_PER_BITS_WORD. */ | |
2997 | ||
2998 | static bits_word | |
2999 | shift_right_ull (bits_word w) | |
3000 | { | |
3001 | /* Pacify bogus GCC warning about shift count exceeding type width. */ | |
3002 | int shift = BITS_PER_ULL - BITS_PER_BITS_WORD < 0 ? BITS_PER_ULL : 0; | |
3003 | return w >> shift; | |
3004 | } | |
3005 | ||
3006 | /* Return the number of 1 bits in W. */ | |
3007 | ||
3008 | static int | |
3009 | count_one_bits_word (bits_word w) | |
3010 | { | |
3011 | if (BITS_WORD_MAX <= UINT_MAX) | |
3012 | return count_one_bits (w); | |
3013 | else if (BITS_WORD_MAX <= ULONG_MAX) | |
3014 | return count_one_bits_l (w); | |
3015 | else | |
3016 | { | |
3017 | int i = 0, count = 0; | |
3018 | while (count += count_one_bits_ll (w), | |
0fadc0b0 | 3019 | (i += BITS_PER_ULL) < BITS_PER_BITS_WORD) |
2cf00efc PE |
3020 | w = shift_right_ull (w); |
3021 | return count; | |
3022 | } | |
3023 | } | |
3024 | ||
3e0b94e7 DC |
3025 | enum bool_vector_op { bool_vector_exclusive_or, |
3026 | bool_vector_union, | |
3027 | bool_vector_intersection, | |
3028 | bool_vector_set_difference, | |
3029 | bool_vector_subsetp }; | |
3030 | ||
7be68de5 | 3031 | static Lisp_Object |
23e79746 PE |
3032 | bool_vector_binop_driver (Lisp_Object a, |
3033 | Lisp_Object b, | |
3e0b94e7 DC |
3034 | Lisp_Object dest, |
3035 | enum bool_vector_op op) | |
3036 | { | |
3037 | EMACS_INT nr_bits; | |
23e79746 | 3038 | bits_word *adata, *bdata, *destdata; |
87d86601 | 3039 | ptrdiff_t i = 0; |
3e0b94e7 DC |
3040 | ptrdiff_t nr_words; |
3041 | ||
23e79746 PE |
3042 | CHECK_BOOL_VECTOR (a); |
3043 | CHECK_BOOL_VECTOR (b); | |
3e0b94e7 | 3044 | |
23e79746 PE |
3045 | nr_bits = bool_vector_size (a); |
3046 | if (bool_vector_size (b) != nr_bits) | |
3047 | wrong_length_argument (a, b, dest); | |
3e0b94e7 | 3048 | |
87d86601 | 3049 | nr_words = bool_vector_words (nr_bits); |
23e79746 PE |
3050 | adata = bool_vector_data (a); |
3051 | bdata = bool_vector_data (b); | |
87d86601 | 3052 | |
3e0b94e7 DC |
3053 | if (NILP (dest)) |
3054 | { | |
2cf00efc | 3055 | dest = make_uninit_bool_vector (nr_bits); |
23e79746 | 3056 | destdata = bool_vector_data (dest); |
3e0b94e7 DC |
3057 | } |
3058 | else | |
3059 | { | |
3060 | CHECK_BOOL_VECTOR (dest); | |
23e79746 | 3061 | destdata = bool_vector_data (dest); |
454e2fb9 | 3062 | if (bool_vector_size (dest) != nr_bits) |
23e79746 | 3063 | wrong_length_argument (a, b, dest); |
3e0b94e7 | 3064 | |
87d86601 PE |
3065 | switch (op) |
3066 | { | |
3067 | case bool_vector_exclusive_or: | |
75360f19 PE |
3068 | for (; i < nr_words; i++) |
3069 | if (destdata[i] != (adata[i] ^ bdata[i])) | |
3070 | goto set_dest; | |
87d86601 | 3071 | break; |
7be68de5 | 3072 | |
87d86601 | 3073 | case bool_vector_subsetp: |
75360f19 PE |
3074 | for (; i < nr_words; i++) |
3075 | if (adata[i] &~ bdata[i]) | |
87d86601 | 3076 | return Qnil; |
75360f19 PE |
3077 | return Qt; |
3078 | ||
3079 | case bool_vector_union: | |
3080 | for (; i < nr_words; i++) | |
3081 | if (destdata[i] != (adata[i] | bdata[i])) | |
3082 | goto set_dest; | |
87d86601 PE |
3083 | break; |
3084 | ||
3085 | case bool_vector_intersection: | |
75360f19 PE |
3086 | for (; i < nr_words; i++) |
3087 | if (destdata[i] != (adata[i] & bdata[i])) | |
3088 | goto set_dest; | |
87d86601 | 3089 | break; |
2cf00efc | 3090 | |
87d86601 | 3091 | case bool_vector_set_difference: |
75360f19 PE |
3092 | for (; i < nr_words; i++) |
3093 | if (destdata[i] != (adata[i] &~ bdata[i])) | |
3094 | goto set_dest; | |
87d86601 PE |
3095 | break; |
3096 | } | |
75360f19 PE |
3097 | |
3098 | return Qnil; | |
87d86601 PE |
3099 | } |
3100 | ||
75360f19 | 3101 | set_dest: |
87d86601 | 3102 | switch (op) |
3e0b94e7 | 3103 | { |
87d86601 | 3104 | case bool_vector_exclusive_or: |
75360f19 | 3105 | for (; i < nr_words; i++) |
23e79746 | 3106 | destdata[i] = adata[i] ^ bdata[i]; |
87d86601 PE |
3107 | break; |
3108 | ||
3109 | case bool_vector_union: | |
75360f19 | 3110 | for (; i < nr_words; i++) |
23e79746 | 3111 | destdata[i] = adata[i] | bdata[i]; |
87d86601 | 3112 | break; |
3e0b94e7 | 3113 | |
87d86601 | 3114 | case bool_vector_intersection: |
75360f19 | 3115 | for (; i < nr_words; i++) |
23e79746 | 3116 | destdata[i] = adata[i] & bdata[i]; |
87d86601 | 3117 | break; |
3e0b94e7 | 3118 | |
87d86601 | 3119 | case bool_vector_set_difference: |
75360f19 | 3120 | for (; i < nr_words; i++) |
23e79746 | 3121 | destdata[i] = adata[i] &~ bdata[i]; |
87d86601 | 3122 | break; |
75360f19 PE |
3123 | |
3124 | default: | |
3125 | eassume (0); | |
3e0b94e7 | 3126 | } |
7be68de5 | 3127 | |
87d86601 | 3128 | return dest; |
3e0b94e7 DC |
3129 | } |
3130 | ||
2fcc742f PE |
3131 | /* PRECONDITION must be true. Return VALUE. This odd construction |
3132 | works around a bogus GCC diagnostic "shift count >= width of type". */ | |
3133 | ||
3134 | static int | |
3135 | pre_value (bool precondition, int value) | |
3136 | { | |
3137 | eassume (precondition); | |
3138 | return precondition ? value : 0; | |
3139 | } | |
3140 | ||
3e0b94e7 DC |
3141 | /* Compute the number of trailing zero bits in val. If val is zero, |
3142 | return the number of bits in val. */ | |
595e113b | 3143 | static int |
87c4314d | 3144 | count_trailing_zero_bits (bits_word val) |
3e0b94e7 | 3145 | { |
87c4314d | 3146 | if (BITS_WORD_MAX == UINT_MAX) |
595e113b | 3147 | return count_trailing_zeros (val); |
87c4314d | 3148 | if (BITS_WORD_MAX == ULONG_MAX) |
595e113b | 3149 | return count_trailing_zeros_l (val); |
56a0e352 | 3150 | if (BITS_WORD_MAX == ULL_MAX) |
595e113b | 3151 | return count_trailing_zeros_ll (val); |
595e113b | 3152 | |
87c4314d | 3153 | /* The rest of this code is for the unlikely platform where bits_word differs |
595e113b | 3154 | in width from unsigned int, unsigned long, and unsigned long long. */ |
2cf00efc | 3155 | val |= ~ BITS_WORD_MAX; |
87c4314d | 3156 | if (BITS_WORD_MAX <= UINT_MAX) |
595e113b | 3157 | return count_trailing_zeros (val); |
87c4314d | 3158 | if (BITS_WORD_MAX <= ULONG_MAX) |
595e113b | 3159 | return count_trailing_zeros_l (val); |
2cf00efc PE |
3160 | else |
3161 | { | |
3162 | int count; | |
3163 | for (count = 0; | |
3164 | count < BITS_PER_BITS_WORD - BITS_PER_ULL; | |
3165 | count += BITS_PER_ULL) | |
3166 | { | |
56a0e352 | 3167 | if (val & ULL_MAX) |
2cf00efc PE |
3168 | return count + count_trailing_zeros_ll (val); |
3169 | val = shift_right_ull (val); | |
3170 | } | |
3171 | ||
3172 | if (BITS_PER_BITS_WORD % BITS_PER_ULL != 0 | |
3173 | && BITS_WORD_MAX == (bits_word) -1) | |
2fcc742f PE |
3174 | val |= (bits_word) 1 << pre_value (ULONG_MAX < BITS_WORD_MAX, |
3175 | BITS_PER_BITS_WORD % BITS_PER_ULL); | |
2cf00efc PE |
3176 | return count + count_trailing_zeros_ll (val); |
3177 | } | |
3e0b94e7 DC |
3178 | } |
3179 | ||
87c4314d PE |
3180 | static bits_word |
3181 | bits_word_to_host_endian (bits_word val) | |
3e0b94e7 | 3182 | { |
595e113b PE |
3183 | #ifndef WORDS_BIGENDIAN |
3184 | return val; | |
3e0b94e7 | 3185 | #else |
2cf00efc PE |
3186 | if (BITS_WORD_MAX >> 31 == 1) |
3187 | return bswap_32 (val); | |
3188 | # if HAVE_UNSIGNED_LONG_LONG | |
3189 | if (BITS_WORD_MAX >> 31 >> 31 >> 1 == 1) | |
3190 | return bswap_64 (val); | |
3191 | # endif | |
3192 | { | |
3193 | int i; | |
3194 | bits_word r = 0; | |
3195 | for (i = 0; i < sizeof val; i++) | |
3196 | { | |
3197 | r = ((r << 1 << (CHAR_BIT - 1)) | |
3198 | | (val & ((1u << 1 << (CHAR_BIT - 1)) - 1))); | |
3199 | val = val >> 1 >> (CHAR_BIT - 1); | |
3200 | } | |
3201 | return r; | |
3202 | } | |
3e0b94e7 DC |
3203 | #endif |
3204 | } | |
3205 | ||
3206 | DEFUN ("bool-vector-exclusive-or", Fbool_vector_exclusive_or, | |
3207 | Sbool_vector_exclusive_or, 2, 3, 0, | |
454e2fb9 PE |
3208 | doc: /* Return A ^ B, bitwise exclusive or. |
3209 | If optional third argument C is given, store result into C. | |
3210 | A, B, and C must be bool vectors of the same length. | |
3211 | Return the destination vector if it changed or nil otherwise. */) | |
3e0b94e7 DC |
3212 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) |
3213 | { | |
3214 | return bool_vector_binop_driver (a, b, c, bool_vector_exclusive_or); | |
3215 | } | |
3216 | ||
3217 | DEFUN ("bool-vector-union", Fbool_vector_union, | |
3218 | Sbool_vector_union, 2, 3, 0, | |
454e2fb9 PE |
3219 | doc: /* Return A | B, bitwise or. |
3220 | If optional third argument C is given, store result into C. | |
3221 | A, B, and C must be bool vectors of the same length. | |
3222 | Return the destination vector if it changed or nil otherwise. */) | |
3e0b94e7 DC |
3223 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) |
3224 | { | |
3225 | return bool_vector_binop_driver (a, b, c, bool_vector_union); | |
3226 | } | |
3227 | ||
3228 | DEFUN ("bool-vector-intersection", Fbool_vector_intersection, | |
3229 | Sbool_vector_intersection, 2, 3, 0, | |
454e2fb9 PE |
3230 | doc: /* Return A & B, bitwise and. |
3231 | If optional third argument C is given, store result into C. | |
3232 | A, B, and C must be bool vectors of the same length. | |
3233 | Return the destination vector if it changed or nil otherwise. */) | |
3e0b94e7 DC |
3234 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) |
3235 | { | |
3236 | return bool_vector_binop_driver (a, b, c, bool_vector_intersection); | |
3237 | } | |
3238 | ||
3239 | DEFUN ("bool-vector-set-difference", Fbool_vector_set_difference, | |
3240 | Sbool_vector_set_difference, 2, 3, 0, | |
454e2fb9 PE |
3241 | doc: /* Return A &~ B, set difference. |
3242 | If optional third argument C is given, store result into C. | |
3243 | A, B, and C must be bool vectors of the same length. | |
3244 | Return the destination vector if it changed or nil otherwise. */) | |
3e0b94e7 DC |
3245 | (Lisp_Object a, Lisp_Object b, Lisp_Object c) |
3246 | { | |
3247 | return bool_vector_binop_driver (a, b, c, bool_vector_set_difference); | |
3248 | } | |
3249 | ||
3250 | DEFUN ("bool-vector-subsetp", Fbool_vector_subsetp, | |
3251 | Sbool_vector_subsetp, 2, 2, 0, | |
3f73284a PE |
3252 | doc: /* Return t if every t value in A is also t in B, nil otherwise. |
3253 | A and B must be bool vectors of the same length. */) | |
3e0b94e7 DC |
3254 | (Lisp_Object a, Lisp_Object b) |
3255 | { | |
3f73284a | 3256 | return bool_vector_binop_driver (a, b, b, bool_vector_subsetp); |
3e0b94e7 DC |
3257 | } |
3258 | ||
3259 | DEFUN ("bool-vector-not", Fbool_vector_not, | |
3260 | Sbool_vector_not, 1, 2, 0, | |
454e2fb9 PE |
3261 | doc: /* Compute ~A, set complement. |
3262 | If optional second argument B is given, store result into B. | |
3263 | A and B must be bool vectors of the same length. | |
3e0b94e7 DC |
3264 | Return the destination vector. */) |
3265 | (Lisp_Object a, Lisp_Object b) | |
3266 | { | |
3267 | EMACS_INT nr_bits; | |
87c4314d | 3268 | bits_word *bdata, *adata; |
3e0b94e7 | 3269 | ptrdiff_t i; |
3e0b94e7 DC |
3270 | |
3271 | CHECK_BOOL_VECTOR (a); | |
1c0a7493 | 3272 | nr_bits = bool_vector_size (a); |
3e0b94e7 DC |
3273 | |
3274 | if (NILP (b)) | |
2cf00efc | 3275 | b = make_uninit_bool_vector (nr_bits); |
3e0b94e7 DC |
3276 | else |
3277 | { | |
3278 | CHECK_BOOL_VECTOR (b); | |
454e2fb9 PE |
3279 | if (bool_vector_size (b) != nr_bits) |
3280 | wrong_length_argument (a, b, Qnil); | |
3e0b94e7 DC |
3281 | } |
3282 | ||
df5b4930 PE |
3283 | bdata = bool_vector_data (b); |
3284 | adata = bool_vector_data (a); | |
3e0b94e7 | 3285 | |
87c4314d | 3286 | for (i = 0; i < nr_bits / BITS_PER_BITS_WORD; i++) |
df5b4930 | 3287 | bdata[i] = BITS_WORD_MAX & ~adata[i]; |
3e0b94e7 | 3288 | |
87c4314d | 3289 | if (nr_bits % BITS_PER_BITS_WORD) |
3e0b94e7 | 3290 | { |
df5b4930 | 3291 | bits_word mword = bits_word_to_host_endian (adata[i]); |
3e0b94e7 DC |
3292 | mword = ~mword; |
3293 | mword &= bool_vector_spare_mask (nr_bits); | |
87c4314d | 3294 | bdata[i] = bits_word_to_host_endian (mword); |
3e0b94e7 DC |
3295 | } |
3296 | ||
3297 | return b; | |
3298 | } | |
3299 | ||
ec2c4ee6 PE |
3300 | DEFUN ("bool-vector-count-population", Fbool_vector_count_population, |
3301 | Sbool_vector_count_population, 1, 1, 0, | |
3302 | doc: /* Count how many elements in A are t. | |
3303 | A is a bool vector. To count A's nil elements, subtract the return | |
3304 | value from A's length. */) | |
3305 | (Lisp_Object a) | |
3e0b94e7 | 3306 | { |
f2752e01 | 3307 | EMACS_INT count; |
3e0b94e7 | 3308 | EMACS_INT nr_bits; |
87c4314d | 3309 | bits_word *adata; |
2cf00efc | 3310 | ptrdiff_t i, nwords; |
3e0b94e7 DC |
3311 | |
3312 | CHECK_BOOL_VECTOR (a); | |
3313 | ||
1c0a7493 | 3314 | nr_bits = bool_vector_size (a); |
2cf00efc | 3315 | nwords = bool_vector_words (nr_bits); |
3e0b94e7 | 3316 | count = 0; |
df5b4930 | 3317 | adata = bool_vector_data (a); |
3e0b94e7 | 3318 | |
2cf00efc PE |
3319 | for (i = 0; i < nwords; i++) |
3320 | count += count_one_bits_word (adata[i]); | |
3e0b94e7 DC |
3321 | |
3322 | return make_number (count); | |
3323 | } | |
3324 | ||
ec2c4ee6 PE |
3325 | DEFUN ("bool-vector-count-consecutive", Fbool_vector_count_consecutive, |
3326 | Sbool_vector_count_consecutive, 3, 3, 0, | |
3327 | doc: /* Count how many consecutive elements in A equal B starting at I. | |
3328 | A is a bool vector, B is t or nil, and I is an index into A. */) | |
3e0b94e7 DC |
3329 | (Lisp_Object a, Lisp_Object b, Lisp_Object i) |
3330 | { | |
f2752e01 | 3331 | EMACS_INT count; |
3e0b94e7 | 3332 | EMACS_INT nr_bits; |
f2752e01 | 3333 | int offset; |
87c4314d PE |
3334 | bits_word *adata; |
3335 | bits_word twiddle; | |
3336 | bits_word mword; /* Machine word. */ | |
2cf00efc | 3337 | ptrdiff_t pos, pos0; |
3e0b94e7 DC |
3338 | ptrdiff_t nr_words; |
3339 | ||
3340 | CHECK_BOOL_VECTOR (a); | |
3341 | CHECK_NATNUM (i); | |
3342 | ||
1c0a7493 | 3343 | nr_bits = bool_vector_size (a); |
3e0b94e7 DC |
3344 | if (XFASTINT (i) > nr_bits) /* Allow one past the end for convenience */ |
3345 | args_out_of_range (a, i); | |
3346 | ||
df5b4930 PE |
3347 | adata = bool_vector_data (a); |
3348 | nr_words = bool_vector_words (nr_bits); | |
87c4314d PE |
3349 | pos = XFASTINT (i) / BITS_PER_BITS_WORD; |
3350 | offset = XFASTINT (i) % BITS_PER_BITS_WORD; | |
3e0b94e7 DC |
3351 | count = 0; |
3352 | ||
3353 | /* By XORing with twiddle, we transform the problem of "count | |
3354 | consecutive equal values" into "count the zero bits". The latter | |
3355 | operation usually has hardware support. */ | |
df5b4930 | 3356 | twiddle = NILP (b) ? 0 : BITS_WORD_MAX; |
3e0b94e7 DC |
3357 | |
3358 | /* Scan the remainder of the mword at the current offset. */ | |
3359 | if (pos < nr_words && offset != 0) | |
3360 | { | |
87c4314d | 3361 | mword = bits_word_to_host_endian (adata[pos]); |
3e0b94e7 DC |
3362 | mword ^= twiddle; |
3363 | mword >>= offset; | |
87d86601 PE |
3364 | |
3365 | /* Do not count the pad bits. */ | |
2cf00efc | 3366 | mword |= (bits_word) 1 << (BITS_PER_BITS_WORD - offset); |
87d86601 | 3367 | |
3e0b94e7 | 3368 | count = count_trailing_zero_bits (mword); |
7be68de5 | 3369 | pos++; |
87c4314d | 3370 | if (count + offset < BITS_PER_BITS_WORD) |
3e0b94e7 DC |
3371 | return make_number (count); |
3372 | } | |
3373 | ||
3374 | /* Scan whole words until we either reach the end of the vector or | |
3375 | find an mword that doesn't completely match. twiddle is | |
3376 | endian-independent. */ | |
2cf00efc | 3377 | pos0 = pos; |
3e0b94e7 | 3378 | while (pos < nr_words && adata[pos] == twiddle) |
2cf00efc PE |
3379 | pos++; |
3380 | count += (pos - pos0) * BITS_PER_BITS_WORD; | |
3e0b94e7 DC |
3381 | |
3382 | if (pos < nr_words) | |
3383 | { | |
3384 | /* If we stopped because of a mismatch, see how many bits match | |
3385 | in the current mword. */ | |
87c4314d | 3386 | mword = bits_word_to_host_endian (adata[pos]); |
3e0b94e7 DC |
3387 | mword ^= twiddle; |
3388 | count += count_trailing_zero_bits (mword); | |
3389 | } | |
87c4314d | 3390 | else if (nr_bits % BITS_PER_BITS_WORD != 0) |
3e0b94e7 DC |
3391 | { |
3392 | /* If we hit the end, we might have overshot our count. Reduce | |
3393 | the total by the number of spare bits at the end of the | |
3394 | vector. */ | |
87c4314d | 3395 | count -= BITS_PER_BITS_WORD - nr_bits % BITS_PER_BITS_WORD; |
3e0b94e7 DC |
3396 | } |
3397 | ||
3398 | return make_number (count); | |
3399 | } | |
6b61353c | 3400 | |
7921925c JB |
3401 | \f |
3402 | void | |
971de7fb | 3403 | syms_of_data (void) |
7921925c | 3404 | { |
6315e761 RS |
3405 | Lisp_Object error_tail, arith_tail; |
3406 | ||
620c53a6 SM |
3407 | DEFSYM (Qquote, "quote"); |
3408 | DEFSYM (Qlambda, "lambda"); | |
3409 | DEFSYM (Qsubr, "subr"); | |
3410 | DEFSYM (Qerror_conditions, "error-conditions"); | |
3411 | DEFSYM (Qerror_message, "error-message"); | |
3412 | DEFSYM (Qtop_level, "top-level"); | |
3413 | ||
3414 | DEFSYM (Qerror, "error"); | |
71873e2b | 3415 | DEFSYM (Quser_error, "user-error"); |
620c53a6 | 3416 | DEFSYM (Qquit, "quit"); |
454e2fb9 | 3417 | DEFSYM (Qwrong_length_argument, "wrong-length-argument"); |
620c53a6 SM |
3418 | DEFSYM (Qwrong_type_argument, "wrong-type-argument"); |
3419 | DEFSYM (Qargs_out_of_range, "args-out-of-range"); | |
3420 | DEFSYM (Qvoid_function, "void-function"); | |
3421 | DEFSYM (Qcyclic_function_indirection, "cyclic-function-indirection"); | |
3422 | DEFSYM (Qcyclic_variable_indirection, "cyclic-variable-indirection"); | |
3423 | DEFSYM (Qvoid_variable, "void-variable"); | |
3424 | DEFSYM (Qsetting_constant, "setting-constant"); | |
3425 | DEFSYM (Qinvalid_read_syntax, "invalid-read-syntax"); | |
3426 | ||
3427 | DEFSYM (Qinvalid_function, "invalid-function"); | |
3428 | DEFSYM (Qwrong_number_of_arguments, "wrong-number-of-arguments"); | |
3429 | DEFSYM (Qno_catch, "no-catch"); | |
3430 | DEFSYM (Qend_of_file, "end-of-file"); | |
3431 | DEFSYM (Qarith_error, "arith-error"); | |
3432 | DEFSYM (Qbeginning_of_buffer, "beginning-of-buffer"); | |
3433 | DEFSYM (Qend_of_buffer, "end-of-buffer"); | |
3434 | DEFSYM (Qbuffer_read_only, "buffer-read-only"); | |
3435 | DEFSYM (Qtext_read_only, "text-read-only"); | |
3436 | DEFSYM (Qmark_inactive, "mark-inactive"); | |
3437 | ||
3438 | DEFSYM (Qlistp, "listp"); | |
3439 | DEFSYM (Qconsp, "consp"); | |
3440 | DEFSYM (Qsymbolp, "symbolp"); | |
3441 | DEFSYM (Qkeywordp, "keywordp"); | |
3442 | DEFSYM (Qintegerp, "integerp"); | |
3443 | DEFSYM (Qnatnump, "natnump"); | |
3444 | DEFSYM (Qwholenump, "wholenump"); | |
3445 | DEFSYM (Qstringp, "stringp"); | |
3446 | DEFSYM (Qarrayp, "arrayp"); | |
3447 | DEFSYM (Qsequencep, "sequencep"); | |
3448 | DEFSYM (Qbufferp, "bufferp"); | |
3449 | DEFSYM (Qvectorp, "vectorp"); | |
3e0b94e7 | 3450 | DEFSYM (Qbool_vector_p, "bool-vector-p"); |
620c53a6 SM |
3451 | DEFSYM (Qchar_or_string_p, "char-or-string-p"); |
3452 | DEFSYM (Qmarkerp, "markerp"); | |
3453 | DEFSYM (Qbuffer_or_string_p, "buffer-or-string-p"); | |
3454 | DEFSYM (Qinteger_or_marker_p, "integer-or-marker-p"); | |
3455 | DEFSYM (Qboundp, "boundp"); | |
3456 | DEFSYM (Qfboundp, "fboundp"); | |
3457 | ||
3458 | DEFSYM (Qfloatp, "floatp"); | |
3459 | DEFSYM (Qnumberp, "numberp"); | |
3460 | DEFSYM (Qnumber_or_marker_p, "number-or-marker-p"); | |
3461 | ||
3462 | DEFSYM (Qchar_table_p, "char-table-p"); | |
3463 | DEFSYM (Qvector_or_char_table_p, "vector-or-char-table-p"); | |
3464 | ||
3465 | DEFSYM (Qsubrp, "subrp"); | |
3466 | DEFSYM (Qunevalled, "unevalled"); | |
3467 | DEFSYM (Qmany, "many"); | |
3468 | ||
3469 | DEFSYM (Qcdr, "cdr"); | |
3470 | ||
3471 | /* Handle automatic advice activation. */ | |
3472 | DEFSYM (Qad_advice_info, "ad-advice-info"); | |
3473 | DEFSYM (Qad_activate_internal, "ad-activate-internal"); | |
f845f2c9 | 3474 | |
d67b4f80 | 3475 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 3476 | |
620c53a6 SM |
3477 | /* ERROR is used as a signaler for random errors for which nothing else is |
3478 | right. */ | |
7921925c JB |
3479 | |
3480 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 3481 | error_tail); |
7921925c | 3482 | Fput (Qerror, Qerror_message, |
2a0213a6 | 3483 | build_pure_c_string ("error")); |
7921925c | 3484 | |
71873e2b SM |
3485 | #define PUT_ERROR(sym, tail, msg) \ |
3486 | Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \ | |
2a0213a6 | 3487 | Fput (sym, Qerror_message, build_pure_c_string (msg)) |
71873e2b SM |
3488 | |
3489 | PUT_ERROR (Qquit, Qnil, "Quit"); | |
3490 | ||
3491 | PUT_ERROR (Quser_error, error_tail, ""); | |
454e2fb9 | 3492 | PUT_ERROR (Qwrong_length_argument, error_tail, "Wrong length argument"); |
71873e2b SM |
3493 | PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument"); |
3494 | PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range"); | |
3495 | PUT_ERROR (Qvoid_function, error_tail, | |
3496 | "Symbol's function definition is void"); | |
3497 | PUT_ERROR (Qcyclic_function_indirection, error_tail, | |
3498 | "Symbol's chain of function indirections contains a loop"); | |
3499 | PUT_ERROR (Qcyclic_variable_indirection, error_tail, | |
3500 | "Symbol's chain of variable indirections contains a loop"); | |
620c53a6 | 3501 | DEFSYM (Qcircular_list, "circular-list"); |
71873e2b SM |
3502 | PUT_ERROR (Qcircular_list, error_tail, "List contains a loop"); |
3503 | PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void"); | |
3504 | PUT_ERROR (Qsetting_constant, error_tail, | |
3505 | "Attempt to set a constant symbol"); | |
3506 | PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax"); | |
3507 | PUT_ERROR (Qinvalid_function, error_tail, "Invalid function"); | |
3508 | PUT_ERROR (Qwrong_number_of_arguments, error_tail, | |
3509 | "Wrong number of arguments"); | |
3510 | PUT_ERROR (Qno_catch, error_tail, "No catch for tag"); | |
3511 | PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing"); | |
7921925c | 3512 | |
d67b4f80 | 3513 | arith_tail = pure_cons (Qarith_error, error_tail); |
71873e2b | 3514 | Fput (Qarith_error, Qerror_conditions, arith_tail); |
2a0213a6 | 3515 | Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error")); |
71873e2b SM |
3516 | |
3517 | PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer"); | |
3518 | PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer"); | |
3519 | PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only"); | |
3520 | PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail), | |
3521 | "Text is read-only"); | |
8f9f49d7 | 3522 | |
620c53a6 SM |
3523 | DEFSYM (Qrange_error, "range-error"); |
3524 | DEFSYM (Qdomain_error, "domain-error"); | |
3525 | DEFSYM (Qsingularity_error, "singularity-error"); | |
3526 | DEFSYM (Qoverflow_error, "overflow-error"); | |
3527 | DEFSYM (Qunderflow_error, "underflow-error"); | |
6315e761 | 3528 | |
71873e2b SM |
3529 | PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error"); |
3530 | ||
3531 | PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error"); | |
3532 | ||
3533 | PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail), | |
3534 | "Arithmetic singularity error"); | |
3535 | ||
3536 | PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail), | |
3537 | "Arithmetic overflow error"); | |
3538 | PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail), | |
3539 | "Arithmetic underflow error"); | |
6315e761 | 3540 | |
7921925c JB |
3541 | staticpro (&Qnil); |
3542 | staticpro (&Qt); | |
7921925c | 3543 | staticpro (&Qunbound); |
7921925c | 3544 | |
39bcc759 | 3545 | /* Types that type-of returns. */ |
620c53a6 SM |
3546 | DEFSYM (Qinteger, "integer"); |
3547 | DEFSYM (Qsymbol, "symbol"); | |
3548 | DEFSYM (Qstring, "string"); | |
3549 | DEFSYM (Qcons, "cons"); | |
3550 | DEFSYM (Qmarker, "marker"); | |
3551 | DEFSYM (Qoverlay, "overlay"); | |
3552 | DEFSYM (Qfloat, "float"); | |
3553 | DEFSYM (Qwindow_configuration, "window-configuration"); | |
3554 | DEFSYM (Qprocess, "process"); | |
3555 | DEFSYM (Qwindow, "window"); | |
620c53a6 SM |
3556 | DEFSYM (Qcompiled_function, "compiled-function"); |
3557 | DEFSYM (Qbuffer, "buffer"); | |
3558 | DEFSYM (Qframe, "frame"); | |
3559 | DEFSYM (Qvector, "vector"); | |
3560 | DEFSYM (Qchar_table, "char-table"); | |
3561 | DEFSYM (Qbool_vector, "bool-vector"); | |
3562 | DEFSYM (Qhash_table, "hash-table"); | |
3ab6e069 | 3563 | DEFSYM (Qmisc, "misc"); |
39bcc759 | 3564 | |
61b108cc SM |
3565 | DEFSYM (Qdefun, "defun"); |
3566 | ||
4e6f2626 CY |
3567 | DEFSYM (Qfont_spec, "font-spec"); |
3568 | DEFSYM (Qfont_entity, "font-entity"); | |
3569 | DEFSYM (Qfont_object, "font-object"); | |
3570 | ||
3860280a | 3571 | DEFSYM (Qinteractive_form, "interactive-form"); |
32e5c58c | 3572 | DEFSYM (Qdefalias_fset_function, "defalias-fset-function"); |
3860280a | 3573 | |
f35d5bad | 3574 | defsubr (&Sindirect_variable); |
6b61353c | 3575 | defsubr (&Sinteractive_form); |
7921925c JB |
3576 | defsubr (&Seq); |
3577 | defsubr (&Snull); | |
39bcc759 | 3578 | defsubr (&Stype_of); |
7921925c JB |
3579 | defsubr (&Slistp); |
3580 | defsubr (&Snlistp); | |
3581 | defsubr (&Sconsp); | |
3582 | defsubr (&Satom); | |
3583 | defsubr (&Sintegerp); | |
464f8898 | 3584 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3585 | defsubr (&Snumberp); |
3586 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3587 | defsubr (&Sfloatp); |
7921925c JB |
3588 | defsubr (&Snatnump); |
3589 | defsubr (&Ssymbolp); | |
cda9b832 | 3590 | defsubr (&Skeywordp); |
7921925c | 3591 | defsubr (&Sstringp); |
0f56470d | 3592 | defsubr (&Smultibyte_string_p); |
7921925c | 3593 | defsubr (&Svectorp); |
4d276982 | 3594 | defsubr (&Schar_table_p); |
7f0edce7 | 3595 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3596 | defsubr (&Sbool_vector_p); |
7921925c JB |
3597 | defsubr (&Sarrayp); |
3598 | defsubr (&Ssequencep); | |
3599 | defsubr (&Sbufferp); | |
3600 | defsubr (&Smarkerp); | |
7921925c | 3601 | defsubr (&Ssubrp); |
dbc4e1c1 | 3602 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3603 | defsubr (&Schar_or_string_p); |
3604 | defsubr (&Scar); | |
3605 | defsubr (&Scdr); | |
3606 | defsubr (&Scar_safe); | |
3607 | defsubr (&Scdr_safe); | |
3608 | defsubr (&Ssetcar); | |
3609 | defsubr (&Ssetcdr); | |
3610 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3611 | defsubr (&Sindirect_function); |
7921925c JB |
3612 | defsubr (&Ssymbol_plist); |
3613 | defsubr (&Ssymbol_name); | |
3614 | defsubr (&Smakunbound); | |
3615 | defsubr (&Sfmakunbound); | |
3616 | defsubr (&Sboundp); | |
3617 | defsubr (&Sfboundp); | |
3618 | defsubr (&Sfset); | |
80df38a2 | 3619 | defsubr (&Sdefalias); |
7921925c JB |
3620 | defsubr (&Ssetplist); |
3621 | defsubr (&Ssymbol_value); | |
3622 | defsubr (&Sset); | |
3623 | defsubr (&Sdefault_boundp); | |
3624 | defsubr (&Sdefault_value); | |
3625 | defsubr (&Sset_default); | |
3626 | defsubr (&Ssetq_default); | |
3627 | defsubr (&Smake_variable_buffer_local); | |
3628 | defsubr (&Smake_local_variable); | |
3629 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3630 | defsubr (&Smake_variable_frame_local); |
62476adc | 3631 | defsubr (&Slocal_variable_p); |
f4f04cee | 3632 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3633 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3634 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3635 | defsubr (&Sterminal_local_value); |
3636 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3637 | #endif |
7921925c JB |
3638 | defsubr (&Saref); |
3639 | defsubr (&Saset); | |
f2980264 | 3640 | defsubr (&Snumber_to_string); |
25e40a4b | 3641 | defsubr (&Sstring_to_number); |
7921925c JB |
3642 | defsubr (&Seqlsign); |
3643 | defsubr (&Slss); | |
3644 | defsubr (&Sgtr); | |
3645 | defsubr (&Sleq); | |
3646 | defsubr (&Sgeq); | |
3647 | defsubr (&Sneq); | |
3648 | defsubr (&Szerop); | |
3649 | defsubr (&Splus); | |
3650 | defsubr (&Sminus); | |
3651 | defsubr (&Stimes); | |
3652 | defsubr (&Squo); | |
3653 | defsubr (&Srem); | |
44fa9da5 | 3654 | defsubr (&Smod); |
7921925c JB |
3655 | defsubr (&Smax); |
3656 | defsubr (&Smin); | |
3657 | defsubr (&Slogand); | |
3658 | defsubr (&Slogior); | |
3659 | defsubr (&Slogxor); | |
3660 | defsubr (&Slsh); | |
3661 | defsubr (&Sash); | |
3662 | defsubr (&Sadd1); | |
3663 | defsubr (&Ssub1); | |
3664 | defsubr (&Slognot); | |
6b61353c | 3665 | defsubr (&Sbyteorder); |
6f0e897f | 3666 | defsubr (&Ssubr_arity); |
0fddae66 | 3667 | defsubr (&Ssubr_name); |
8e86942b | 3668 | |
3e0b94e7 DC |
3669 | defsubr (&Sbool_vector_exclusive_or); |
3670 | defsubr (&Sbool_vector_union); | |
3671 | defsubr (&Sbool_vector_intersection); | |
3672 | defsubr (&Sbool_vector_set_difference); | |
3673 | defsubr (&Sbool_vector_not); | |
3674 | defsubr (&Sbool_vector_subsetp); | |
ec2c4ee6 PE |
3675 | defsubr (&Sbool_vector_count_consecutive); |
3676 | defsubr (&Sbool_vector_count_population); | |
3e0b94e7 | 3677 | |
c644523b | 3678 | set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function); |
e6190b11 | 3679 | |
29208e82 | 3680 | DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum, |
9d113d9d AS |
3681 | doc: /* The largest value that is representable in a Lisp integer. */); |
3682 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3683 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3684 | |
29208e82 | 3685 | DEFVAR_LISP ("most-negative-fixnum", Vmost_negative_fixnum, |
9d113d9d AS |
3686 | doc: /* The smallest value that is representable in a Lisp integer. */); |
3687 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3688 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c | 3689 | } |