Commit | Line | Data |
---|---|---|
7921925c | 1 | /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter. |
ab422c4d PE |
2 | Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2013 Free Software |
3 | Foundation, Inc. | |
7921925c JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
7921925c | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
7921925c JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
7921925c JB |
19 | |
20 | ||
18160b98 | 21 | #include <config.h> |
dd8daec5 | 22 | #include <stdio.h> |
0ae6bdee PE |
23 | |
24 | #include <intprops.h> | |
25 | ||
7921925c | 26 | #include "lisp.h" |
29eab336 | 27 | #include "puresize.h" |
e6e1f521 | 28 | #include "character.h" |
7921925c | 29 | #include "buffer.h" |
077d751f | 30 | #include "keyboard.h" |
b0c2d1c6 | 31 | #include "frame.h" |
a44804c2 | 32 | #include "syssignal.h" |
620c53a6 | 33 | #include "termhooks.h" /* For FRAME_KBOARD reference in y-or-n-p. */ |
4e6f2626 | 34 | #include "font.h" |
61b108cc | 35 | #include "keymap.h" |
fb8e9847 | 36 | |
955cbe7b PE |
37 | Lisp_Object Qnil, Qt, Qquote, Qlambda, Qunbound; |
38 | static Lisp_Object Qsubr; | |
7921925c | 39 | Lisp_Object Qerror_conditions, Qerror_message, Qtop_level; |
71873e2b | 40 | Lisp_Object Qerror, Quser_error, Qquit, Qargs_out_of_range; |
955cbe7b PE |
41 | static Lisp_Object Qwrong_type_argument; |
42 | Lisp_Object Qvoid_variable, Qvoid_function; | |
43 | static Lisp_Object Qcyclic_function_indirection; | |
44 | static Lisp_Object Qcyclic_variable_indirection; | |
45 | Lisp_Object Qcircular_list; | |
46 | static Lisp_Object Qsetting_constant; | |
47 | Lisp_Object Qinvalid_read_syntax; | |
7921925c | 48 | Lisp_Object Qinvalid_function, Qwrong_number_of_arguments, Qno_catch; |
3b8819d6 | 49 | Lisp_Object Qend_of_file, Qarith_error, Qmark_inactive; |
7921925c | 50 | Lisp_Object Qbeginning_of_buffer, Qend_of_buffer, Qbuffer_read_only; |
8f9f49d7 | 51 | Lisp_Object Qtext_read_only; |
6b61353c | 52 | |
955cbe7b PE |
53 | Lisp_Object Qintegerp, Qwholenump, Qsymbolp, Qlistp, Qconsp; |
54 | static Lisp_Object Qnatnump; | |
7921925c JB |
55 | Lisp_Object Qstringp, Qarrayp, Qsequencep, Qbufferp; |
56 | Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qvectorp; | |
955cbe7b PE |
57 | Lisp_Object Qbuffer_or_string_p; |
58 | static Lisp_Object Qkeywordp, Qboundp; | |
59 | Lisp_Object Qfboundp; | |
7f0edce7 | 60 | Lisp_Object Qchar_table_p, Qvector_or_char_table_p; |
39bcc759 | 61 | |
7921925c | 62 | Lisp_Object Qcdr; |
955cbe7b | 63 | static Lisp_Object Qad_advice_info, Qad_activate_internal; |
7921925c | 64 | |
c990426a PE |
65 | static Lisp_Object Qdomain_error, Qsingularity_error, Qunderflow_error; |
66 | Lisp_Object Qrange_error, Qoverflow_error; | |
6315e761 | 67 | |
464f8898 | 68 | Lisp_Object Qfloatp; |
7921925c | 69 | Lisp_Object Qnumberp, Qnumber_or_marker_p; |
7921925c | 70 | |
b52d6985 PE |
71 | Lisp_Object Qinteger, Qsymbol; |
72 | static Lisp_Object Qcons, Qfloat, Qmisc, Qstring, Qvector; | |
e6cba650 | 73 | Lisp_Object Qwindow; |
3ab6e069 DA |
74 | static Lisp_Object Qoverlay, Qwindow_configuration; |
75 | static Lisp_Object Qprocess, Qmarker; | |
76 | static Lisp_Object Qcompiled_function, Qframe; | |
4b66faf3 | 77 | Lisp_Object Qbuffer; |
81dc5de5 | 78 | static Lisp_Object Qchar_table, Qbool_vector, Qhash_table; |
84575e67 PE |
79 | static Lisp_Object Qsubrp; |
80 | static Lisp_Object Qmany, Qunevalled; | |
4e6f2626 | 81 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
61b108cc | 82 | static Lisp_Object Qdefun; |
39bcc759 | 83 | |
12cc4337 PE |
84 | Lisp_Object Qinteractive_form; |
85 | static Lisp_Object Qdefalias_fset_function; | |
3860280a | 86 | |
ce5b453a | 87 | static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *); |
d02eeab3 | 88 | |
84575e67 PE |
89 | static bool |
90 | BOOLFWDP (union Lisp_Fwd *a) | |
91 | { | |
92 | return XFWDTYPE (a) == Lisp_Fwd_Bool; | |
93 | } | |
94 | static bool | |
95 | INTFWDP (union Lisp_Fwd *a) | |
96 | { | |
97 | return XFWDTYPE (a) == Lisp_Fwd_Int; | |
98 | } | |
99 | static bool | |
100 | KBOARD_OBJFWDP (union Lisp_Fwd *a) | |
101 | { | |
102 | return XFWDTYPE (a) == Lisp_Fwd_Kboard_Obj; | |
103 | } | |
104 | static bool | |
105 | OBJFWDP (union Lisp_Fwd *a) | |
106 | { | |
107 | return XFWDTYPE (a) == Lisp_Fwd_Obj; | |
108 | } | |
109 | ||
110 | static struct Lisp_Boolfwd * | |
111 | XBOOLFWD (union Lisp_Fwd *a) | |
112 | { | |
113 | eassert (BOOLFWDP (a)); | |
114 | return &a->u_boolfwd; | |
115 | } | |
116 | static struct Lisp_Kboard_Objfwd * | |
117 | XKBOARD_OBJFWD (union Lisp_Fwd *a) | |
118 | { | |
119 | eassert (KBOARD_OBJFWDP (a)); | |
120 | return &a->u_kboard_objfwd; | |
121 | } | |
122 | static struct Lisp_Intfwd * | |
123 | XINTFWD (union Lisp_Fwd *a) | |
124 | { | |
125 | eassert (INTFWDP (a)); | |
126 | return &a->u_intfwd; | |
127 | } | |
128 | static struct Lisp_Objfwd * | |
129 | XOBJFWD (union Lisp_Fwd *a) | |
130 | { | |
131 | eassert (OBJFWDP (a)); | |
132 | return &a->u_objfwd; | |
133 | } | |
134 | ||
135 | static void | |
136 | CHECK_SUBR (Lisp_Object x) | |
137 | { | |
138 | CHECK_TYPE (SUBRP (x), Qsubrp, x); | |
139 | } | |
140 | ||
141 | static void | |
142 | set_blv_found (struct Lisp_Buffer_Local_Value *blv, int found) | |
143 | { | |
144 | eassert (found == !EQ (blv->defcell, blv->valcell)); | |
145 | blv->found = found; | |
146 | } | |
147 | ||
148 | static Lisp_Object | |
149 | blv_value (struct Lisp_Buffer_Local_Value *blv) | |
150 | { | |
151 | return XCDR (blv->valcell); | |
152 | } | |
153 | ||
154 | static void | |
155 | set_blv_value (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
156 | { | |
157 | XSETCDR (blv->valcell, val); | |
158 | } | |
159 | ||
160 | static void | |
161 | set_blv_where (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
162 | { | |
163 | blv->where = val; | |
164 | } | |
165 | ||
166 | static void | |
167 | set_blv_defcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
168 | { | |
169 | blv->defcell = val; | |
170 | } | |
171 | ||
172 | static void | |
173 | set_blv_valcell (struct Lisp_Buffer_Local_Value *blv, Lisp_Object val) | |
174 | { | |
175 | blv->valcell = val; | |
176 | } | |
13d95cc0 | 177 | |
7921925c | 178 | Lisp_Object |
971de7fb | 179 | wrong_type_argument (register Lisp_Object predicate, register Lisp_Object value) |
7921925c | 180 | { |
2de9f71c SM |
181 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
182 | where we can get a backtrace showing where it came from. We used | |
183 | to try and do that by checking the tagbits, but nowadays all | |
184 | tagbits are potentially valid. */ | |
185 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
1088b922 | 186 | * emacs_abort (); */ |
e1351ff7 | 187 | |
740ef0b5 | 188 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
189 | } |
190 | ||
dfcf069d | 191 | void |
a8a7c5f6 | 192 | pure_write_error (Lisp_Object obj) |
7921925c | 193 | { |
3d5ee10a | 194 | xsignal2 (Qerror, build_string ("Attempt to modify read-only object"), obj); |
7921925c JB |
195 | } |
196 | ||
197 | void | |
971de7fb | 198 | args_out_of_range (Lisp_Object a1, Lisp_Object a2) |
7921925c | 199 | { |
740ef0b5 | 200 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
201 | } |
202 | ||
203 | void | |
971de7fb | 204 | args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) |
7921925c | 205 | { |
740ef0b5 | 206 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
207 | } |
208 | ||
7921925c | 209 | \f |
61b108cc | 210 | /* Data type predicates. */ |
7921925c JB |
211 | |
212 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 | 213 | doc: /* Return t if the two args are the same Lisp object. */) |
5842a27b | 214 | (Lisp_Object obj1, Lisp_Object obj2) |
7921925c JB |
215 | { |
216 | if (EQ (obj1, obj2)) | |
217 | return Qt; | |
218 | return Qnil; | |
219 | } | |
220 | ||
8c1a1077 PJ |
221 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
222 | doc: /* Return t if OBJECT is nil. */) | |
5842a27b | 223 | (Lisp_Object object) |
7921925c | 224 | { |
39bcc759 | 225 | if (NILP (object)) |
7921925c JB |
226 | return Qt; |
227 | return Qnil; | |
228 | } | |
229 | ||
39bcc759 | 230 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
231 | doc: /* Return a symbol representing the type of OBJECT. |
232 | The symbol returned names the object's basic type; | |
233 | for example, (type-of 1) returns `integer'. */) | |
5842a27b | 234 | (Lisp_Object object) |
39bcc759 | 235 | { |
8e50cc2d | 236 | switch (XTYPE (object)) |
39bcc759 | 237 | { |
2de9f71c | 238 | case_Lisp_Int: |
39bcc759 RS |
239 | return Qinteger; |
240 | ||
241 | case Lisp_Symbol: | |
242 | return Qsymbol; | |
243 | ||
244 | case Lisp_String: | |
245 | return Qstring; | |
246 | ||
247 | case Lisp_Cons: | |
248 | return Qcons; | |
249 | ||
250 | case Lisp_Misc: | |
324a6eef | 251 | switch (XMISCTYPE (object)) |
39bcc759 RS |
252 | { |
253 | case Lisp_Misc_Marker: | |
254 | return Qmarker; | |
255 | case Lisp_Misc_Overlay: | |
256 | return Qoverlay; | |
257 | case Lisp_Misc_Float: | |
258 | return Qfloat; | |
259 | } | |
1088b922 | 260 | emacs_abort (); |
39bcc759 RS |
261 | |
262 | case Lisp_Vectorlike: | |
8e50cc2d | 263 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 264 | return Qwindow_configuration; |
8e50cc2d | 265 | if (PROCESSP (object)) |
39bcc759 | 266 | return Qprocess; |
8e50cc2d | 267 | if (WINDOWP (object)) |
39bcc759 | 268 | return Qwindow; |
8e50cc2d | 269 | if (SUBRP (object)) |
39bcc759 | 270 | return Qsubr; |
876c194c SM |
271 | if (COMPILEDP (object)) |
272 | return Qcompiled_function; | |
8e50cc2d | 273 | if (BUFFERP (object)) |
39bcc759 | 274 | return Qbuffer; |
8e50cc2d | 275 | if (CHAR_TABLE_P (object)) |
fc67d5be | 276 | return Qchar_table; |
8e50cc2d | 277 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 278 | return Qbool_vector; |
8e50cc2d | 279 | if (FRAMEP (object)) |
39bcc759 | 280 | return Qframe; |
8e50cc2d | 281 | if (HASH_TABLE_P (object)) |
81dc5de5 | 282 | return Qhash_table; |
4e6f2626 CY |
283 | if (FONT_SPEC_P (object)) |
284 | return Qfont_spec; | |
285 | if (FONT_ENTITY_P (object)) | |
286 | return Qfont_entity; | |
287 | if (FONT_OBJECT_P (object)) | |
288 | return Qfont_object; | |
39bcc759 RS |
289 | return Qvector; |
290 | ||
39bcc759 RS |
291 | case Lisp_Float: |
292 | return Qfloat; | |
39bcc759 RS |
293 | |
294 | default: | |
1088b922 | 295 | emacs_abort (); |
39bcc759 RS |
296 | } |
297 | } | |
298 | ||
8c1a1077 PJ |
299 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
300 | doc: /* Return t if OBJECT is a cons cell. */) | |
5842a27b | 301 | (Lisp_Object object) |
7921925c | 302 | { |
39bcc759 | 303 | if (CONSP (object)) |
7921925c JB |
304 | return Qt; |
305 | return Qnil; | |
306 | } | |
307 | ||
25638b07 | 308 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 | 309 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
5842a27b | 310 | (Lisp_Object object) |
7921925c | 311 | { |
39bcc759 | 312 | if (CONSP (object)) |
7921925c JB |
313 | return Qnil; |
314 | return Qt; | |
315 | } | |
316 | ||
25638b07 | 317 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
318 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
319 | Otherwise, return nil. */) | |
5842a27b | 320 | (Lisp_Object object) |
7921925c | 321 | { |
39bcc759 | 322 | if (CONSP (object) || NILP (object)) |
7921925c JB |
323 | return Qt; |
324 | return Qnil; | |
325 | } | |
326 | ||
25638b07 | 327 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 | 328 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
5842a27b | 329 | (Lisp_Object object) |
7921925c | 330 | { |
39bcc759 | 331 | if (CONSP (object) || NILP (object)) |
7921925c JB |
332 | return Qnil; |
333 | return Qt; | |
334 | } | |
335 | \f | |
25638b07 | 336 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 | 337 | doc: /* Return t if OBJECT is a symbol. */) |
5842a27b | 338 | (Lisp_Object object) |
7921925c | 339 | { |
39bcc759 | 340 | if (SYMBOLP (object)) |
7921925c JB |
341 | return Qt; |
342 | return Qnil; | |
343 | } | |
344 | ||
cda9b832 DL |
345 | /* Define this in C to avoid unnecessarily consing up the symbol |
346 | name. */ | |
347 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
348 | doc: /* Return t if OBJECT is a keyword. |
349 | This means that it is a symbol with a print name beginning with `:' | |
350 | interned in the initial obarray. */) | |
5842a27b | 351 | (Lisp_Object object) |
cda9b832 DL |
352 | { |
353 | if (SYMBOLP (object) | |
d5db4077 | 354 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 355 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
356 | return Qt; |
357 | return Qnil; | |
358 | } | |
359 | ||
25638b07 | 360 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 | 361 | doc: /* Return t if OBJECT is a vector. */) |
5842a27b | 362 | (Lisp_Object object) |
7921925c | 363 | { |
39bcc759 | 364 | if (VECTORP (object)) |
7921925c JB |
365 | return Qt; |
366 | return Qnil; | |
367 | } | |
368 | ||
25638b07 | 369 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 | 370 | doc: /* Return t if OBJECT is a string. */) |
5842a27b | 371 | (Lisp_Object object) |
7921925c | 372 | { |
39bcc759 | 373 | if (STRINGP (object)) |
7921925c JB |
374 | return Qt; |
375 | return Qnil; | |
376 | } | |
377 | ||
25638b07 | 378 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 | 379 | 1, 1, 0, |
3323c263 EZ |
380 | doc: /* Return t if OBJECT is a multibyte string. |
381 | Return nil if OBJECT is either a unibyte string, or not a string. */) | |
5842a27b | 382 | (Lisp_Object object) |
25638b07 RS |
383 | { |
384 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
385 | return Qt; | |
386 | return Qnil; | |
387 | } | |
388 | ||
389 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 | 390 | doc: /* Return t if OBJECT is a char-table. */) |
5842a27b | 391 | (Lisp_Object object) |
4d276982 RS |
392 | { |
393 | if (CHAR_TABLE_P (object)) | |
394 | return Qt; | |
395 | return Qnil; | |
396 | } | |
397 | ||
7f0edce7 RS |
398 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
399 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 | 400 | doc: /* Return t if OBJECT is a char-table or vector. */) |
5842a27b | 401 | (Lisp_Object object) |
7f0edce7 RS |
402 | { |
403 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
404 | return Qt; | |
405 | return Qnil; | |
406 | } | |
407 | ||
8c1a1077 PJ |
408 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
409 | doc: /* Return t if OBJECT is a bool-vector. */) | |
5842a27b | 410 | (Lisp_Object object) |
4d276982 RS |
411 | { |
412 | if (BOOL_VECTOR_P (object)) | |
413 | return Qt; | |
414 | return Qnil; | |
415 | } | |
416 | ||
8c1a1077 PJ |
417 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
418 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
5842a27b | 419 | (Lisp_Object object) |
7921925c | 420 | { |
0c64a8cd | 421 | if (ARRAYP (object)) |
7921925c JB |
422 | return Qt; |
423 | return Qnil; | |
424 | } | |
425 | ||
426 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 | 427 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
5842a27b | 428 | (register Lisp_Object object) |
7921925c | 429 | { |
0c64a8cd | 430 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
431 | return Qt; |
432 | return Qnil; | |
433 | } | |
434 | ||
8c1a1077 PJ |
435 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
436 | doc: /* Return t if OBJECT is an editor buffer. */) | |
5842a27b | 437 | (Lisp_Object object) |
7921925c | 438 | { |
39bcc759 | 439 | if (BUFFERP (object)) |
7921925c JB |
440 | return Qt; |
441 | return Qnil; | |
442 | } | |
443 | ||
8c1a1077 PJ |
444 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
445 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
5842a27b | 446 | (Lisp_Object object) |
7921925c | 447 | { |
39bcc759 | 448 | if (MARKERP (object)) |
7921925c JB |
449 | return Qt; |
450 | return Qnil; | |
451 | } | |
452 | ||
8c1a1077 PJ |
453 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
454 | doc: /* Return t if OBJECT is a built-in function. */) | |
5842a27b | 455 | (Lisp_Object object) |
7921925c | 456 | { |
39bcc759 | 457 | if (SUBRP (object)) |
7921925c JB |
458 | return Qt; |
459 | return Qnil; | |
460 | } | |
461 | ||
dbc4e1c1 | 462 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
463 | 1, 1, 0, |
464 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
5842a27b | 465 | (Lisp_Object object) |
7921925c | 466 | { |
39bcc759 | 467 | if (COMPILEDP (object)) |
7921925c JB |
468 | return Qt; |
469 | return Qnil; | |
470 | } | |
471 | ||
0321d75c | 472 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 473 | doc: /* Return t if OBJECT is a character or a string. */) |
5842a27b | 474 | (register Lisp_Object object) |
7921925c | 475 | { |
cfd70f33 | 476 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
477 | return Qt; |
478 | return Qnil; | |
479 | } | |
480 | \f | |
8c1a1077 PJ |
481 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
482 | doc: /* Return t if OBJECT is an integer. */) | |
5842a27b | 483 | (Lisp_Object object) |
7921925c | 484 | { |
39bcc759 | 485 | if (INTEGERP (object)) |
7921925c JB |
486 | return Qt; |
487 | return Qnil; | |
488 | } | |
489 | ||
464f8898 | 490 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 | 491 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
5842a27b | 492 | (register Lisp_Object object) |
7921925c | 493 | { |
39bcc759 | 494 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
495 | return Qt; |
496 | return Qnil; | |
497 | } | |
498 | ||
0321d75c | 499 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 | 500 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
5842a27b | 501 | (Lisp_Object object) |
7921925c | 502 | { |
39bcc759 | 503 | if (NATNUMP (object)) |
7921925c JB |
504 | return Qt; |
505 | return Qnil; | |
506 | } | |
507 | ||
508 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 | 509 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
5842a27b | 510 | (Lisp_Object object) |
7921925c | 511 | { |
39bcc759 | 512 | if (NUMBERP (object)) |
7921925c | 513 | return Qt; |
dbc4e1c1 JB |
514 | else |
515 | return Qnil; | |
7921925c JB |
516 | } |
517 | ||
518 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
519 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 | 520 | doc: /* Return t if OBJECT is a number or a marker. */) |
5842a27b | 521 | (Lisp_Object object) |
7921925c | 522 | { |
39bcc759 | 523 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
524 | return Qt; |
525 | return Qnil; | |
526 | } | |
464f8898 | 527 | |
464f8898 | 528 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 | 529 | doc: /* Return t if OBJECT is a floating point number. */) |
5842a27b | 530 | (Lisp_Object object) |
464f8898 | 531 | { |
39bcc759 | 532 | if (FLOATP (object)) |
464f8898 RS |
533 | return Qt; |
534 | return Qnil; | |
535 | } | |
cc94f3b2 | 536 | |
7921925c | 537 | \f |
32e5c58c | 538 | /* Extract and set components of lists. */ |
7921925c | 539 | |
a7ca3326 | 540 | DEFUN ("car", Fcar, Scar, 1, 1, 0, |
8c1a1077 | 541 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
542 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
543 | ||
da46c5be LT |
544 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
545 | Lisp concepts such as car, cdr, cons cell and list. */) | |
5842a27b | 546 | (register Lisp_Object list) |
7921925c | 547 | { |
0c64a8cd | 548 | return CAR (list); |
7921925c JB |
549 | } |
550 | ||
a7ca3326 | 551 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, |
8c1a1077 | 552 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 553 | (Lisp_Object object) |
7921925c | 554 | { |
0c64a8cd | 555 | return CAR_SAFE (object); |
7921925c JB |
556 | } |
557 | ||
a7ca3326 | 558 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, |
8c1a1077 | 559 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
560 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
561 | ||
da46c5be LT |
562 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
563 | Lisp concepts such as cdr, car, cons cell and list. */) | |
5842a27b | 564 | (register Lisp_Object list) |
7921925c | 565 | { |
0c64a8cd | 566 | return CDR (list); |
7921925c JB |
567 | } |
568 | ||
a7ca3326 | 569 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, |
8c1a1077 | 570 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 571 | (Lisp_Object object) |
7921925c | 572 | { |
0c64a8cd | 573 | return CDR_SAFE (object); |
7921925c JB |
574 | } |
575 | ||
a7ca3326 | 576 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, |
8c1a1077 | 577 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
5842a27b | 578 | (register Lisp_Object cell, Lisp_Object newcar) |
7921925c | 579 | { |
0c64a8cd | 580 | CHECK_CONS (cell); |
7921925c | 581 | CHECK_IMPURE (cell); |
f3fbd155 | 582 | XSETCAR (cell, newcar); |
7921925c JB |
583 | return newcar; |
584 | } | |
585 | ||
a7ca3326 | 586 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, |
8c1a1077 | 587 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
5842a27b | 588 | (register Lisp_Object cell, Lisp_Object newcdr) |
7921925c | 589 | { |
0c64a8cd | 590 | CHECK_CONS (cell); |
7921925c | 591 | CHECK_IMPURE (cell); |
f3fbd155 | 592 | XSETCDR (cell, newcdr); |
7921925c JB |
593 | return newcdr; |
594 | } | |
595 | \f | |
1ec4b7b2 | 596 | /* Extract and set components of symbols. */ |
7921925c | 597 | |
a7ca3326 | 598 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
a9de9f0c GM |
599 | doc: /* Return t if SYMBOL's value is not void. |
600 | Note that if `lexical-binding' is in effect, this refers to the | |
601 | global value outside of any lexical scope. */) | |
5842a27b | 602 | (register Lisp_Object symbol) |
7921925c JB |
603 | { |
604 | Lisp_Object valcontents; | |
ce5b453a | 605 | struct Lisp_Symbol *sym; |
b7826503 | 606 | CHECK_SYMBOL (symbol); |
ce5b453a | 607 | sym = XSYMBOL (symbol); |
7921925c | 608 | |
ce5b453a SM |
609 | start: |
610 | switch (sym->redirect) | |
611 | { | |
612 | case SYMBOL_PLAINVAL: valcontents = SYMBOL_VAL (sym); break; | |
613 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
614 | case SYMBOL_LOCALIZED: | |
615 | { | |
616 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
617 | if (blv->fwd) | |
618 | /* In set_internal, we un-forward vars when their value is | |
619 | set to Qunbound. */ | |
620 | return Qt; | |
621 | else | |
622 | { | |
623 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 624 | valcontents = blv_value (blv); |
ce5b453a SM |
625 | } |
626 | break; | |
627 | } | |
628 | case SYMBOL_FORWARDED: | |
629 | /* In set_internal, we un-forward vars when their value is | |
630 | set to Qunbound. */ | |
631 | return Qt; | |
1088b922 | 632 | default: emacs_abort (); |
ce5b453a | 633 | } |
7921925c | 634 | |
1bfcade3 | 635 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
636 | } |
637 | ||
eadf1faa | 638 | /* FIXME: Make it an alias for function-symbol! */ |
a7ca3326 | 639 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
8c1a1077 | 640 | doc: /* Return t if SYMBOL's function definition is not void. */) |
5842a27b | 641 | (register Lisp_Object symbol) |
7921925c | 642 | { |
b7826503 | 643 | CHECK_SYMBOL (symbol); |
eadf1faa | 644 | return NILP (XSYMBOL (symbol)->function) ? Qnil : Qt; |
7921925c JB |
645 | } |
646 | ||
8c1a1077 | 647 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
648 | doc: /* Make SYMBOL's value be void. |
649 | Return SYMBOL. */) | |
5842a27b | 650 | (register Lisp_Object symbol) |
7921925c | 651 | { |
b7826503 | 652 | CHECK_SYMBOL (symbol); |
64ec26d6 | 653 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 654 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
655 | Fset (symbol, Qunbound); |
656 | return symbol; | |
7921925c JB |
657 | } |
658 | ||
8c1a1077 | 659 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
eadf1faa | 660 | doc: /* Make SYMBOL's function definition be nil. |
bfb96cb7 | 661 | Return SYMBOL. */) |
5842a27b | 662 | (register Lisp_Object symbol) |
7921925c | 663 | { |
b7826503 | 664 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 665 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 666 | xsignal1 (Qsetting_constant, symbol); |
eadf1faa | 667 | set_symbol_function (symbol, Qnil); |
d9c2a0f2 | 668 | return symbol; |
7921925c JB |
669 | } |
670 | ||
a7ca3326 | 671 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, |
8c1a1077 | 672 | doc: /* Return SYMBOL's function definition. Error if that is void. */) |
5842a27b | 673 | (register Lisp_Object symbol) |
7921925c | 674 | { |
b7826503 | 675 | CHECK_SYMBOL (symbol); |
39a035e8 | 676 | return XSYMBOL (symbol)->function; |
7921925c JB |
677 | } |
678 | ||
8c1a1077 PJ |
679 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
680 | doc: /* Return SYMBOL's property list. */) | |
5842a27b | 681 | (register Lisp_Object symbol) |
7921925c | 682 | { |
b7826503 | 683 | CHECK_SYMBOL (symbol); |
c644523b | 684 | return XSYMBOL (symbol)->plist; |
7921925c JB |
685 | } |
686 | ||
a7ca3326 | 687 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
8c1a1077 | 688 | doc: /* Return SYMBOL's name, a string. */) |
5842a27b | 689 | (register Lisp_Object symbol) |
7921925c JB |
690 | { |
691 | register Lisp_Object name; | |
692 | ||
b7826503 | 693 | CHECK_SYMBOL (symbol); |
84023177 | 694 | name = SYMBOL_NAME (symbol); |
7921925c JB |
695 | return name; |
696 | } | |
697 | ||
a7ca3326 | 698 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, |
8c1a1077 | 699 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
5842a27b | 700 | (register Lisp_Object symbol, Lisp_Object definition) |
d9c2a0f2 | 701 | { |
764ea377 | 702 | register Lisp_Object function; |
b7826503 | 703 | CHECK_SYMBOL (symbol); |
764ea377 | 704 | |
c644523b | 705 | function = XSYMBOL (symbol)->function; |
764ea377 | 706 | |
eadf1faa | 707 | if (!NILP (Vautoload_queue) && !NILP (function)) |
764ea377 JB |
708 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); |
709 | ||
32e5c58c | 710 | if (AUTOLOADP (function)) |
764ea377 JB |
711 | Fput (symbol, Qautoload, XCDR (function)); |
712 | ||
c644523b | 713 | set_symbol_function (symbol, definition); |
32e5c58c | 714 | |
8c0b5540 | 715 | return definition; |
7921925c JB |
716 | } |
717 | ||
d2fde41d | 718 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, |
1053a871 | 719 | doc: /* Set SYMBOL's function definition to DEFINITION. |
96143227 RS |
720 | Associates the function with the current load file, if any. |
721 | The optional third argument DOCSTRING specifies the documentation string | |
722 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
1053a871 SM |
723 | determined by DEFINITION. |
724 | The return value is undefined. */) | |
5842a27b | 725 | (register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring) |
fc08c367 | 726 | { |
8a658a52 | 727 | CHECK_SYMBOL (symbol); |
61b108cc SM |
728 | if (!NILP (Vpurify_flag) |
729 | /* If `definition' is a keymap, immutable (and copying) is wrong. */ | |
730 | && !KEYMAPP (definition)) | |
731 | definition = Fpurecopy (definition); | |
32e5c58c SM |
732 | |
733 | { | |
734 | bool autoload = AUTOLOADP (definition); | |
735 | if (NILP (Vpurify_flag) || !autoload) | |
736 | { /* Only add autoload entries after dumping, because the ones before are | |
737 | not useful and else we get loads of them from the loaddefs.el. */ | |
738 | ||
739 | if (AUTOLOADP (XSYMBOL (symbol)->function)) | |
740 | /* Remember that the function was already an autoload. */ | |
741 | LOADHIST_ATTACH (Fcons (Qt, symbol)); | |
742 | LOADHIST_ATTACH (Fcons (autoload ? Qautoload : Qdefun, symbol)); | |
743 | } | |
744 | } | |
745 | ||
746 | { /* Handle automatic advice activation. */ | |
747 | Lisp_Object hook = Fget (symbol, Qdefalias_fset_function); | |
748 | if (!NILP (hook)) | |
749 | call2 (hook, symbol, definition); | |
750 | else | |
751 | Ffset (symbol, definition); | |
752 | } | |
753 | ||
d2fde41d SM |
754 | if (!NILP (docstring)) |
755 | Fput (symbol, Qfunction_documentation, docstring); | |
1053a871 SM |
756 | /* We used to return `definition', but now that `defun' and `defmacro' expand |
757 | to a call to `defalias', we return `symbol' for backward compatibility | |
758 | (bug#11686). */ | |
759 | return symbol; | |
fc08c367 RS |
760 | } |
761 | ||
7921925c | 762 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 763 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
5842a27b | 764 | (register Lisp_Object symbol, Lisp_Object newplist) |
7921925c | 765 | { |
b7826503 | 766 | CHECK_SYMBOL (symbol); |
c644523b | 767 | set_symbol_plist (symbol, newplist); |
7921925c JB |
768 | return newplist; |
769 | } | |
ffd56f97 | 770 | |
6f0e897f | 771 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
772 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
773 | SUBR must be a built-in function. | |
774 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
775 | of args. MAX is the maximum number or the symbol `many', for a | |
776 | function with `&rest' args, or `unevalled' for a special form. */) | |
5842a27b | 777 | (Lisp_Object subr) |
6f0e897f DL |
778 | { |
779 | short minargs, maxargs; | |
0c64a8cd | 780 | CHECK_SUBR (subr); |
6f0e897f DL |
781 | minargs = XSUBR (subr)->min_args; |
782 | maxargs = XSUBR (subr)->max_args; | |
32e5c58c SM |
783 | return Fcons (make_number (minargs), |
784 | maxargs == MANY ? Qmany | |
785 | : maxargs == UNEVALLED ? Qunevalled | |
786 | : make_number (maxargs)); | |
6f0e897f DL |
787 | } |
788 | ||
0fddae66 SM |
789 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
790 | doc: /* Return name of subroutine SUBR. | |
791 | SUBR must be a built-in function. */) | |
5842a27b | 792 | (Lisp_Object subr) |
0fddae66 SM |
793 | { |
794 | const char *name; | |
0c64a8cd | 795 | CHECK_SUBR (subr); |
0fddae66 | 796 | name = XSUBR (subr)->symbol_name; |
f3e92b69 | 797 | return build_string (name); |
0fddae66 SM |
798 | } |
799 | ||
a7ca3326 | 800 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
6b61353c | 801 | doc: /* Return the interactive form of CMD or nil if none. |
df133612 LT |
802 | If CMD is not a command, the return value is nil. |
803 | Value, if non-nil, is a list \(interactive SPEC). */) | |
5842a27b | 804 | (Lisp_Object cmd) |
cc515226 | 805 | { |
c4f46926 | 806 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 807 | |
eadf1faa | 808 | if (NILP (fun)) |
c4f46926 SM |
809 | return Qnil; |
810 | ||
811 | /* Use an `interactive-form' property if present, analogous to the | |
32e5c58c | 812 | function-documentation property. */ |
c4f46926 SM |
813 | fun = cmd; |
814 | while (SYMBOLP (fun)) | |
815 | { | |
3860280a | 816 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
817 | if (!NILP (tmp)) |
818 | return tmp; | |
819 | else | |
820 | fun = Fsymbol_function (fun); | |
821 | } | |
6b61353c KH |
822 | |
823 | if (SUBRP (fun)) | |
824 | { | |
eec47d6b | 825 | const char *spec = XSUBR (fun)->intspec; |
8a6d230a MC |
826 | if (spec) |
827 | return list2 (Qinteractive, | |
828 | (*spec != '(') ? build_string (spec) : | |
829 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
830 | } |
831 | else if (COMPILEDP (fun)) | |
832 | { | |
833 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
834 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
835 | } | |
32e5c58c SM |
836 | else if (AUTOLOADP (fun)) |
837 | return Finteractive_form (Fautoload_do_load (fun, cmd, Qnil)); | |
6b61353c KH |
838 | else if (CONSP (fun)) |
839 | { | |
840 | Lisp_Object funcar = XCAR (fun); | |
b38b1ec0 | 841 | if (EQ (funcar, Qclosure)) |
23aba0ea SM |
842 | return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun)))); |
843 | else if (EQ (funcar, Qlambda)) | |
6b61353c | 844 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); |
6b61353c | 845 | } |
cc515226 GM |
846 | return Qnil; |
847 | } | |
848 | ||
7921925c | 849 | \f |
f35d5bad GM |
850 | /*********************************************************************** |
851 | Getting and Setting Values of Symbols | |
852 | ***********************************************************************/ | |
853 | ||
854 | /* Return the symbol holding SYMBOL's value. Signal | |
855 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
856 | indirections contains a loop. */ | |
857 | ||
ad97b375 | 858 | struct Lisp_Symbol * |
971de7fb | 859 | indirect_variable (struct Lisp_Symbol *symbol) |
f35d5bad | 860 | { |
ad97b375 | 861 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
862 | |
863 | hare = tortoise = symbol; | |
864 | ||
ce5b453a | 865 | while (hare->redirect == SYMBOL_VARALIAS) |
f35d5bad | 866 | { |
ce5b453a SM |
867 | hare = SYMBOL_ALIAS (hare); |
868 | if (hare->redirect != SYMBOL_VARALIAS) | |
f35d5bad | 869 | break; |
bfb96cb7 | 870 | |
ce5b453a SM |
871 | hare = SYMBOL_ALIAS (hare); |
872 | tortoise = SYMBOL_ALIAS (tortoise); | |
f35d5bad | 873 | |
ad97b375 SM |
874 | if (hare == tortoise) |
875 | { | |
876 | Lisp_Object tem; | |
877 | XSETSYMBOL (tem, symbol); | |
878 | xsignal1 (Qcyclic_variable_indirection, tem); | |
879 | } | |
f35d5bad GM |
880 | } |
881 | ||
882 | return hare; | |
883 | } | |
884 | ||
885 | ||
886 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 | 887 | doc: /* Return the variable at the end of OBJECT's variable chain. |
4abcdac8 CY |
888 | If OBJECT is a symbol, follow its variable indirections (if any), and |
889 | return the variable at the end of the chain of aliases. See Info node | |
890 | `(elisp)Variable Aliases'. | |
891 | ||
892 | If OBJECT is not a symbol, just return it. If there is a loop in the | |
893 | chain of aliases, signal a `cyclic-variable-indirection' error. */) | |
5842a27b | 894 | (Lisp_Object object) |
f35d5bad GM |
895 | { |
896 | if (SYMBOLP (object)) | |
946f9a5b PE |
897 | { |
898 | struct Lisp_Symbol *sym = indirect_variable (XSYMBOL (object)); | |
899 | XSETSYMBOL (object, sym); | |
900 | } | |
f35d5bad GM |
901 | return object; |
902 | } | |
903 | ||
7921925c JB |
904 | |
905 | /* Given the raw contents of a symbol value cell, | |
906 | return the Lisp value of the symbol. | |
907 | This does not handle buffer-local variables; use | |
908 | swap_in_symval_forwarding for that. */ | |
909 | ||
910 | Lisp_Object | |
971de7fb | 911 | do_symval_forwarding (register union Lisp_Fwd *valcontents) |
7921925c JB |
912 | { |
913 | register Lisp_Object val; | |
ce5b453a SM |
914 | switch (XFWDTYPE (valcontents)) |
915 | { | |
916 | case Lisp_Fwd_Int: | |
917 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
918 | return val; | |
919 | ||
920 | case Lisp_Fwd_Bool: | |
921 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
922 | ||
923 | case Lisp_Fwd_Obj: | |
924 | return *XOBJFWD (valcontents)->objvar; | |
925 | ||
926 | case Lisp_Fwd_Buffer_Obj: | |
4ce60d2e | 927 | return per_buffer_value (current_buffer, |
ce5b453a SM |
928 | XBUFFER_OBJFWD (valcontents)->offset); |
929 | ||
930 | case Lisp_Fwd_Kboard_Obj: | |
931 | /* We used to simply use current_kboard here, but from Lisp | |
a98edce9 | 932 | code, its value is often unexpected. It seems nicer to |
ce5b453a SM |
933 | allow constructions like this to work as intuitively expected: |
934 | ||
935 | (with-selected-frame frame | |
936 | (define-key local-function-map "\eOP" [f1])) | |
937 | ||
938 | On the other hand, this affects the semantics of | |
939 | last-command and real-last-command, and people may rely on | |
940 | that. I took a quick look at the Lisp codebase, and I | |
941 | don't think anything will break. --lorentey */ | |
942 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset | |
943 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
1088b922 | 944 | default: emacs_abort (); |
ce5b453a | 945 | } |
7921925c JB |
946 | } |
947 | ||
d9c2a0f2 EN |
948 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
949 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 950 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
951 | step past the buffer-localness. |
952 | ||
953 | BUF non-zero means set the value in buffer BUF instead of the | |
954 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c | 955 | |
ce5b453a | 956 | static void |
971de7fb | 957 | store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newval, struct buffer *buf) |
7921925c | 958 | { |
ce5b453a | 959 | switch (XFWDTYPE (valcontents)) |
7921925c | 960 | { |
ce5b453a SM |
961 | case Lisp_Fwd_Int: |
962 | CHECK_NUMBER (newval); | |
963 | *XINTFWD (valcontents)->intvar = XINT (newval); | |
964 | break; | |
aa3830c4 | 965 | |
ce5b453a SM |
966 | case Lisp_Fwd_Bool: |
967 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); | |
968 | break; | |
aa3830c4 | 969 | |
ce5b453a SM |
970 | case Lisp_Fwd_Obj: |
971 | *XOBJFWD (valcontents)->objvar = newval; | |
aa3830c4 | 972 | |
ce5b453a SM |
973 | /* If this variable is a default for something stored |
974 | in the buffer itself, such as default-fill-column, | |
975 | find the buffers that don't have local values for it | |
976 | and update them. */ | |
977 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
978 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
46b2ac21 | 979 | { |
ce5b453a SM |
980 | int offset = ((char *) XOBJFWD (valcontents)->objvar |
981 | - (char *) &buffer_defaults); | |
982 | int idx = PER_BUFFER_IDX (offset); | |
aa3830c4 | 983 | |
ce5b453a | 984 | Lisp_Object tail; |
aa3830c4 | 985 | |
ce5b453a SM |
986 | if (idx <= 0) |
987 | break; | |
aa3830c4 | 988 | |
ce5b453a | 989 | for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail)) |
6b61353c | 990 | { |
b9b84fa9 | 991 | Lisp_Object lbuf; |
ce5b453a | 992 | struct buffer *b; |
6b61353c | 993 | |
b9b84fa9 PE |
994 | lbuf = Fcdr (XCAR (tail)); |
995 | if (!BUFFERP (lbuf)) continue; | |
996 | b = XBUFFER (lbuf); | |
6b61353c | 997 | |
ce5b453a | 998 | if (! PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 999 | set_per_buffer_value (b, offset, newval); |
6b61353c | 1000 | } |
ce5b453a SM |
1001 | } |
1002 | break; | |
7403b5c8 | 1003 | |
ce5b453a SM |
1004 | case Lisp_Fwd_Buffer_Obj: |
1005 | { | |
1006 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
58cc0a01 | 1007 | Lisp_Object predicate = XBUFFER_OBJFWD (valcontents)->predicate; |
ce5b453a | 1008 | |
58cc0a01 DA |
1009 | if (!NILP (predicate) && !NILP (newval) |
1010 | && NILP (call1 (predicate, newval))) | |
1011 | wrong_type_argument (predicate, newval); | |
ce5b453a SM |
1012 | |
1013 | if (buf == NULL) | |
1014 | buf = current_buffer; | |
4ce60d2e | 1015 | set_per_buffer_value (buf, offset, newval); |
ce5b453a SM |
1016 | } |
1017 | break; | |
7403b5c8 | 1018 | |
ce5b453a SM |
1019 | case Lisp_Fwd_Kboard_Obj: |
1020 | { | |
1021 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); | |
1022 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; | |
1023 | *(Lisp_Object *) p = newval; | |
1024 | } | |
7921925c JB |
1025 | break; |
1026 | ||
7921925c | 1027 | default: |
1088b922 | 1028 | emacs_abort (); /* goto def; */ |
7921925c JB |
1029 | } |
1030 | } | |
1031 | ||
d73e321c DA |
1032 | /* Set up SYMBOL to refer to its global binding. This makes it safe |
1033 | to alter the status of other bindings. BEWARE: this may be called | |
1034 | during the mark phase of GC, where we assume that Lisp_Object slots | |
1035 | of BLV are marked after this function has changed them. */ | |
b0d53add GM |
1036 | |
1037 | void | |
971de7fb | 1038 | swap_in_global_binding (struct Lisp_Symbol *symbol) |
b0d53add | 1039 | { |
ce5b453a | 1040 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (symbol); |
b0d53add GM |
1041 | |
1042 | /* Unload the previously loaded binding. */ | |
ce5b453a | 1043 | if (blv->fwd) |
a04e2c62 | 1044 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
bfb96cb7 | 1045 | |
b0d53add | 1046 | /* Select the global binding in the symbol. */ |
a04e2c62 | 1047 | set_blv_valcell (blv, blv->defcell); |
ce5b453a SM |
1048 | if (blv->fwd) |
1049 | store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL); | |
b0d53add GM |
1050 | |
1051 | /* Indicate that the global binding is set up now. */ | |
a04e2c62 DA |
1052 | set_blv_where (blv, Qnil); |
1053 | set_blv_found (blv, 0); | |
b0d53add GM |
1054 | } |
1055 | ||
2829d05f | 1056 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
1057 | VALCONTENTS is the contents of its value cell, |
1058 | which points to a struct Lisp_Buffer_Local_Value. | |
1059 | ||
1060 | Return the value forwarded one step past the buffer-local stage. | |
1061 | This could be another forwarding pointer. */ | |
7921925c | 1062 | |
ce5b453a | 1063 | static void |
971de7fb | 1064 | swap_in_symval_forwarding (struct Lisp_Symbol *symbol, struct Lisp_Buffer_Local_Value *blv) |
7921925c | 1065 | { |
7921925c | 1066 | register Lisp_Object tem1; |
bfb96cb7 | 1067 | |
ce5b453a SM |
1068 | eassert (blv == SYMBOL_BLV (symbol)); |
1069 | ||
1070 | tem1 = blv->where; | |
7921925c | 1071 | |
42e975f0 | 1072 | if (NILP (tem1) |
ce5b453a SM |
1073 | || (blv->frame_local |
1074 | ? !EQ (selected_frame, tem1) | |
1075 | : current_buffer != XBUFFER (tem1))) | |
7921925c | 1076 | { |
bfb96cb7 | 1077 | |
42e975f0 | 1078 | /* Unload the previously loaded binding. */ |
ce5b453a SM |
1079 | tem1 = blv->valcell; |
1080 | if (blv->fwd) | |
a04e2c62 | 1081 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
42e975f0 | 1082 | /* Choose the new binding. */ |
ce5b453a SM |
1083 | { |
1084 | Lisp_Object var; | |
1085 | XSETSYMBOL (var, symbol); | |
1086 | if (blv->frame_local) | |
1087 | { | |
e69b0960 | 1088 | tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist); |
a04e2c62 | 1089 | set_blv_where (blv, selected_frame); |
ce5b453a SM |
1090 | } |
1091 | else | |
1092 | { | |
4b4deea2 | 1093 | tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist)); |
d73e321c | 1094 | set_blv_where (blv, Fcurrent_buffer ()); |
ce5b453a SM |
1095 | } |
1096 | } | |
1097 | if (!(blv->found = !NILP (tem1))) | |
1098 | tem1 = blv->defcell; | |
b0c2d1c6 | 1099 | |
42e975f0 | 1100 | /* Load the new binding. */ |
a04e2c62 | 1101 | set_blv_valcell (blv, tem1); |
ce5b453a | 1102 | if (blv->fwd) |
a04e2c62 | 1103 | store_symval_forwarding (blv->fwd, blv_value (blv), NULL); |
7921925c | 1104 | } |
7921925c JB |
1105 | } |
1106 | \f | |
14e76af9 JB |
1107 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1108 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1109 | if it has one, without signaling an error. |
14e76af9 JB |
1110 | Note that it must not be possible to quit |
1111 | within this function. Great care is required for this. */ | |
7921925c | 1112 | |
14e76af9 | 1113 | Lisp_Object |
971de7fb | 1114 | find_symbol_value (Lisp_Object symbol) |
7921925c | 1115 | { |
ce5b453a | 1116 | struct Lisp_Symbol *sym; |
bfb96cb7 | 1117 | |
b7826503 | 1118 | CHECK_SYMBOL (symbol); |
ce5b453a | 1119 | sym = XSYMBOL (symbol); |
7921925c | 1120 | |
ce5b453a SM |
1121 | start: |
1122 | switch (sym->redirect) | |
1123 | { | |
1124 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1125 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1126 | case SYMBOL_LOCALIZED: | |
1127 | { | |
1128 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1129 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 1130 | return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv); |
ce5b453a SM |
1131 | } |
1132 | /* FALLTHROUGH */ | |
1133 | case SYMBOL_FORWARDED: | |
1134 | return do_symval_forwarding (SYMBOL_FWD (sym)); | |
1088b922 | 1135 | default: emacs_abort (); |
ce5b453a | 1136 | } |
7921925c JB |
1137 | } |
1138 | ||
a7ca3326 | 1139 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
14d27346 GM |
1140 | doc: /* Return SYMBOL's value. Error if that is void. |
1141 | Note that if `lexical-binding' is in effect, this returns the | |
1142 | global value outside of any lexical scope. */) | |
5842a27b | 1143 | (Lisp_Object symbol) |
14e76af9 | 1144 | { |
0671d7c0 | 1145 | Lisp_Object val; |
14e76af9 | 1146 | |
d9c2a0f2 | 1147 | val = find_symbol_value (symbol); |
740ef0b5 | 1148 | if (!EQ (val, Qunbound)) |
14e76af9 | 1149 | return val; |
740ef0b5 KS |
1150 | |
1151 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1152 | } |
1153 | ||
a7ca3326 | 1154 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 | 1155 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
5842a27b | 1156 | (register Lisp_Object symbol, Lisp_Object newval) |
05ef7169 | 1157 | { |
94b612ad | 1158 | set_internal (symbol, newval, Qnil, 0); |
ce5b453a | 1159 | return newval; |
05ef7169 RS |
1160 | } |
1161 | ||
25638b07 | 1162 | /* Store the value NEWVAL into SYMBOL. |
94b612ad SM |
1163 | If buffer/frame-locality is an issue, WHERE specifies which context to use. |
1164 | (nil stands for the current buffer/frame). | |
2829d05f | 1165 | |
de1339b0 | 1166 | If BINDFLAG is false, then if this symbol is supposed to become |
05ef7169 | 1167 | local in every buffer where it is set, then we make it local. |
de1339b0 | 1168 | If BINDFLAG is true, we don't do that. */ |
05ef7169 | 1169 | |
ce5b453a | 1170 | void |
de1339b0 PE |
1171 | set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where, |
1172 | bool bindflag) | |
7921925c | 1173 | { |
de1339b0 | 1174 | bool voide = EQ (newval, Qunbound); |
ce5b453a SM |
1175 | struct Lisp_Symbol *sym; |
1176 | Lisp_Object tem1; | |
7921925c | 1177 | |
2829d05f | 1178 | /* If restoring in a dead buffer, do nothing. */ |
94b612ad SM |
1179 | /* if (BUFFERP (where) && NILP (XBUFFER (where)->name)) |
1180 | return; */ | |
2829d05f | 1181 | |
b7826503 | 1182 | CHECK_SYMBOL (symbol); |
ce5b453a | 1183 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1184 | { |
ce5b453a SM |
1185 | if (NILP (Fkeywordp (symbol)) |
1186 | || !EQ (newval, Fsymbol_value (symbol))) | |
1187 | xsignal1 (Qsetting_constant, symbol); | |
1188 | else | |
1189 | /* Allow setting keywords to their own value. */ | |
1190 | return; | |
7921925c | 1191 | } |
42e975f0 | 1192 | |
ce5b453a | 1193 | sym = XSYMBOL (symbol); |
7921925c | 1194 | |
ce5b453a SM |
1195 | start: |
1196 | switch (sym->redirect) | |
1197 | { | |
1198 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1199 | case SYMBOL_PLAINVAL: SET_SYMBOL_VAL (sym , newval); return; | |
1200 | case SYMBOL_LOCALIZED: | |
1201 | { | |
1202 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
94b612ad SM |
1203 | if (NILP (where)) |
1204 | { | |
1205 | if (blv->frame_local) | |
1206 | where = selected_frame; | |
1207 | else | |
1208 | XSETBUFFER (where, current_buffer); | |
1209 | } | |
ce5b453a SM |
1210 | /* If the current buffer is not the buffer whose binding is |
1211 | loaded, or if there may be frame-local bindings and the frame | |
1212 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1213 | the default binding is loaded, the loaded binding may be the | |
1214 | wrong one. */ | |
94b612ad | 1215 | if (!EQ (blv->where, where) |
bfeae2cf | 1216 | /* Also unload a global binding (if the var is local_if_set). */ |
ce5b453a SM |
1217 | || (EQ (blv->valcell, blv->defcell))) |
1218 | { | |
1219 | /* The currently loaded binding is not necessarily valid. | |
1220 | We need to unload it, and choose a new binding. */ | |
1221 | ||
1222 | /* Write out `realvalue' to the old loaded binding. */ | |
1223 | if (blv->fwd) | |
a04e2c62 | 1224 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
b0c2d1c6 | 1225 | |
ce5b453a | 1226 | /* Find the new binding. */ |
94b612ad SM |
1227 | XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */ |
1228 | tem1 = Fassq (symbol, | |
1229 | (blv->frame_local | |
e69b0960 | 1230 | ? XFRAME (where)->param_alist |
4b4deea2 | 1231 | : BVAR (XBUFFER (where), local_var_alist))); |
a04e2c62 | 1232 | set_blv_where (blv, where); |
9e677988 | 1233 | blv->found = 1; |
ce5b453a SM |
1234 | |
1235 | if (NILP (tem1)) | |
1236 | { | |
1237 | /* This buffer still sees the default value. */ | |
1238 | ||
1239 | /* If the variable is a Lisp_Some_Buffer_Local_Value, | |
1240 | or if this is `let' rather than `set', | |
1241 | make CURRENT-ALIST-ELEMENT point to itself, | |
1242 | indicating that we're seeing the default value. | |
1243 | Likewise if the variable has been let-bound | |
1244 | in the current buffer. */ | |
1245 | if (bindflag || !blv->local_if_set | |
1246 | || let_shadows_buffer_binding_p (sym)) | |
1247 | { | |
9e677988 | 1248 | blv->found = 0; |
ce5b453a SM |
1249 | tem1 = blv->defcell; |
1250 | } | |
1251 | /* If it's a local_if_set, being set not bound, | |
1252 | and we're not within a let that was made for this buffer, | |
1253 | create a new buffer-local binding for the variable. | |
1254 | That means, give this buffer a new assoc for a local value | |
1255 | and load that binding. */ | |
1256 | else | |
1257 | { | |
1258 | /* local_if_set is only supported for buffer-local | |
1259 | bindings, not for frame-local bindings. */ | |
1260 | eassert (!blv->frame_local); | |
1261 | tem1 = Fcons (symbol, XCDR (blv->defcell)); | |
39eb03f1 PE |
1262 | bset_local_var_alist |
1263 | (XBUFFER (where), | |
1264 | Fcons (tem1, BVAR (XBUFFER (where), local_var_alist))); | |
ce5b453a SM |
1265 | } |
1266 | } | |
1267 | ||
1268 | /* Record which binding is now loaded. */ | |
a04e2c62 | 1269 | set_blv_valcell (blv, tem1); |
ce5b453a | 1270 | } |
b0c2d1c6 | 1271 | |
ce5b453a | 1272 | /* Store the new value in the cons cell. */ |
a04e2c62 | 1273 | set_blv_value (blv, newval); |
d8cafeb5 | 1274 | |
ce5b453a SM |
1275 | if (blv->fwd) |
1276 | { | |
1277 | if (voide) | |
1278 | /* If storing void (making the symbol void), forward only through | |
1279 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1280 | blv->fwd = NULL; | |
1281 | else | |
94b612ad SM |
1282 | store_symval_forwarding (blv->fwd, newval, |
1283 | BUFFERP (where) | |
1284 | ? XBUFFER (where) : current_buffer); | |
ce5b453a SM |
1285 | } |
1286 | break; | |
1287 | } | |
1288 | case SYMBOL_FORWARDED: | |
1289 | { | |
94b612ad SM |
1290 | struct buffer *buf |
1291 | = BUFFERP (where) ? XBUFFER (where) : current_buffer; | |
ce5b453a SM |
1292 | union Lisp_Fwd *innercontents = SYMBOL_FWD (sym); |
1293 | if (BUFFER_OBJFWDP (innercontents)) | |
1294 | { | |
1295 | int offset = XBUFFER_OBJFWD (innercontents)->offset; | |
1296 | int idx = PER_BUFFER_IDX (offset); | |
1297 | if (idx > 0 | |
1298 | && !bindflag | |
1299 | && !let_shadows_buffer_binding_p (sym)) | |
1300 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); | |
1301 | } | |
569c11e3 | 1302 | |
ce5b453a SM |
1303 | if (voide) |
1304 | { /* If storing void (making the symbol void), forward only through | |
1305 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1306 | sym->redirect = SYMBOL_PLAINVAL; | |
1307 | SET_SYMBOL_VAL (sym, newval); | |
1308 | } | |
1309 | else | |
1310 | store_symval_forwarding (/* sym, */ innercontents, newval, buf); | |
1311 | break; | |
1312 | } | |
1088b922 | 1313 | default: emacs_abort (); |
7921925c | 1314 | } |
ce5b453a | 1315 | return; |
7921925c JB |
1316 | } |
1317 | \f | |
1318 | /* Access or set a buffer-local symbol's default value. */ | |
1319 | ||
d9c2a0f2 | 1320 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1321 | Return Qunbound if it is void. */ |
7921925c | 1322 | |
112396d6 | 1323 | static Lisp_Object |
971de7fb | 1324 | default_value (Lisp_Object symbol) |
7921925c | 1325 | { |
ce5b453a | 1326 | struct Lisp_Symbol *sym; |
7921925c | 1327 | |
b7826503 | 1328 | CHECK_SYMBOL (symbol); |
ce5b453a | 1329 | sym = XSYMBOL (symbol); |
7921925c | 1330 | |
ce5b453a SM |
1331 | start: |
1332 | switch (sym->redirect) | |
7921925c | 1333 | { |
ce5b453a SM |
1334 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1335 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1336 | case SYMBOL_LOCALIZED: | |
1337 | { | |
1338 | /* If var is set up for a buffer that lacks a local value for it, | |
1339 | the current value is nominally the default value. | |
1340 | But the `realvalue' slot may be more up to date, since | |
1341 | ordinary setq stores just that slot. So use that. */ | |
1342 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1343 | if (blv->fwd && EQ (blv->valcell, blv->defcell)) | |
1344 | return do_symval_forwarding (blv->fwd); | |
1345 | else | |
1346 | return XCDR (blv->defcell); | |
1347 | } | |
1348 | case SYMBOL_FORWARDED: | |
1349 | { | |
1350 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1351 | |
ce5b453a SM |
1352 | /* For a built-in buffer-local variable, get the default value |
1353 | rather than letting do_symval_forwarding get the current value. */ | |
1354 | if (BUFFER_OBJFWDP (valcontents)) | |
1355 | { | |
1356 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1357 | if (PER_BUFFER_IDX (offset) != 0) | |
4ce60d2e | 1358 | return per_buffer_default (offset); |
ce5b453a SM |
1359 | } |
1360 | ||
1361 | /* For other variables, get the current value. */ | |
1362 | return do_symval_forwarding (valcontents); | |
1363 | } | |
1088b922 | 1364 | default: emacs_abort (); |
7921925c | 1365 | } |
7921925c JB |
1366 | } |
1367 | ||
a7ca3326 | 1368 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, |
8c1a1077 PJ |
1369 | doc: /* Return t if SYMBOL has a non-void default value. |
1370 | This is the value that is seen in buffers that do not have their own values | |
1371 | for this variable. */) | |
5842a27b | 1372 | (Lisp_Object symbol) |
7921925c JB |
1373 | { |
1374 | register Lisp_Object value; | |
1375 | ||
d9c2a0f2 | 1376 | value = default_value (symbol); |
1bfcade3 | 1377 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1378 | } |
1379 | ||
a7ca3326 | 1380 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, |
8c1a1077 PJ |
1381 | doc: /* Return SYMBOL's default value. |
1382 | This is the value that is seen in buffers that do not have their own values | |
1383 | for this variable. The default value is meaningful for variables with | |
1384 | local bindings in certain buffers. */) | |
5842a27b | 1385 | (Lisp_Object symbol) |
7921925c JB |
1386 | { |
1387 | register Lisp_Object value; | |
1388 | ||
d9c2a0f2 | 1389 | value = default_value (symbol); |
740ef0b5 KS |
1390 | if (!EQ (value, Qunbound)) |
1391 | return value; | |
1392 | ||
1393 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1394 | } |
1395 | ||
a7ca3326 | 1396 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, |
6e86a75d | 1397 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1398 | The default value is seen in buffers that do not have their own values |
1399 | for this variable. */) | |
5842a27b | 1400 | (Lisp_Object symbol, Lisp_Object value) |
7921925c | 1401 | { |
ce5b453a | 1402 | struct Lisp_Symbol *sym; |
7921925c | 1403 | |
b7826503 | 1404 | CHECK_SYMBOL (symbol); |
ce5b453a | 1405 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1406 | { |
ce5b453a SM |
1407 | if (NILP (Fkeywordp (symbol)) |
1408 | || !EQ (value, Fdefault_value (symbol))) | |
1409 | xsignal1 (Qsetting_constant, symbol); | |
1410 | else | |
1411 | /* Allow setting keywords to their own value. */ | |
1412 | return value; | |
1413 | } | |
1414 | sym = XSYMBOL (symbol); | |
7921925c | 1415 | |
ce5b453a SM |
1416 | start: |
1417 | switch (sym->redirect) | |
1418 | { | |
1419 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1420 | case SYMBOL_PLAINVAL: return Fset (symbol, value); | |
1421 | case SYMBOL_LOCALIZED: | |
1422 | { | |
1423 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
984ef137 | 1424 | |
ce5b453a SM |
1425 | /* Store new value into the DEFAULT-VALUE slot. */ |
1426 | XSETCDR (blv->defcell, value); | |
bfb96cb7 | 1427 | |
ce5b453a SM |
1428 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
1429 | if (blv->fwd && EQ (blv->defcell, blv->valcell)) | |
1430 | store_symval_forwarding (blv->fwd, value, NULL); | |
1431 | return value; | |
1432 | } | |
1433 | case SYMBOL_FORWARDED: | |
1434 | { | |
1435 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1436 | |
ce5b453a SM |
1437 | /* Handle variables like case-fold-search that have special slots |
1438 | in the buffer. | |
1439 | Make them work apparently like Lisp_Buffer_Local_Value variables. */ | |
1440 | if (BUFFER_OBJFWDP (valcontents)) | |
1441 | { | |
1442 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1443 | int idx = PER_BUFFER_IDX (offset); | |
7921925c | 1444 | |
4ce60d2e | 1445 | set_per_buffer_default (offset, value); |
7921925c | 1446 | |
ce5b453a SM |
1447 | /* If this variable is not always local in all buffers, |
1448 | set it in the buffers that don't nominally have a local value. */ | |
1449 | if (idx > 0) | |
1450 | { | |
1451 | struct buffer *b; | |
7921925c | 1452 | |
52b852c7 | 1453 | FOR_EACH_BUFFER (b) |
ce5b453a | 1454 | if (!PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1455 | set_per_buffer_value (b, offset, value); |
ce5b453a SM |
1456 | } |
1457 | return value; | |
1458 | } | |
1459 | else | |
1460 | return Fset (symbol, value); | |
1461 | } | |
1088b922 | 1462 | default: emacs_abort (); |
ce5b453a | 1463 | } |
7921925c JB |
1464 | } |
1465 | ||
7a7df7ac | 1466 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1467 | doc: /* Set the default value of variable VAR to VALUE. |
1468 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1469 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1470 | The default value of a variable is seen in buffers |
1471 | that do not have their own values for the variable. | |
1472 | ||
1473 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1474 | (setq-default VAR VALUE VAR VALUE...) |
1475 | This sets each VAR's default value to the corresponding VALUE. | |
1476 | The VALUE for the Nth VAR can refer to the new default values | |
1477 | of previous VARs. | |
70e9f399 | 1478 | usage: (setq-default [VAR VALUE]...) */) |
5842a27b | 1479 | (Lisp_Object args) |
7921925c JB |
1480 | { |
1481 | register Lisp_Object args_left; | |
d9c2a0f2 | 1482 | register Lisp_Object val, symbol; |
7921925c JB |
1483 | struct gcpro gcpro1; |
1484 | ||
a33ef3ab | 1485 | if (NILP (args)) |
7921925c JB |
1486 | return Qnil; |
1487 | ||
1488 | args_left = args; | |
1489 | GCPRO1 (args); | |
1490 | ||
1491 | do | |
1492 | { | |
defb1411 | 1493 | val = eval_sub (Fcar (Fcdr (args_left))); |
d2fde41d | 1494 | symbol = XCAR (args_left); |
d9c2a0f2 | 1495 | Fset_default (symbol, val); |
d2fde41d | 1496 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1497 | } |
a33ef3ab | 1498 | while (!NILP (args_left)); |
7921925c JB |
1499 | |
1500 | UNGCPRO; | |
1501 | return val; | |
1502 | } | |
1503 | \f | |
a5ca2b75 JB |
1504 | /* Lisp functions for creating and removing buffer-local variables. */ |
1505 | ||
ce5b453a SM |
1506 | union Lisp_Val_Fwd |
1507 | { | |
1508 | Lisp_Object value; | |
1509 | union Lisp_Fwd *fwd; | |
1510 | }; | |
1511 | ||
1512 | static struct Lisp_Buffer_Local_Value * | |
de1339b0 PE |
1513 | make_blv (struct Lisp_Symbol *sym, bool forwarded, |
1514 | union Lisp_Val_Fwd valcontents) | |
ce5b453a | 1515 | { |
38182d90 | 1516 | struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv); |
c632dfda JD |
1517 | Lisp_Object symbol; |
1518 | Lisp_Object tem; | |
1519 | ||
1520 | XSETSYMBOL (symbol, sym); | |
1521 | tem = Fcons (symbol, (forwarded | |
1522 | ? do_symval_forwarding (valcontents.fwd) | |
1523 | : valcontents.value)); | |
1524 | ||
ce5b453a SM |
1525 | /* Buffer_Local_Values cannot have as realval a buffer-local |
1526 | or keyboard-local forwarding. */ | |
1527 | eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd))); | |
1528 | eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd))); | |
1529 | blv->fwd = forwarded ? valcontents.fwd : NULL; | |
a04e2c62 | 1530 | set_blv_where (blv, Qnil); |
ce5b453a SM |
1531 | blv->frame_local = 0; |
1532 | blv->local_if_set = 0; | |
a04e2c62 DA |
1533 | set_blv_defcell (blv, tem); |
1534 | set_blv_valcell (blv, tem); | |
1535 | set_blv_found (blv, 0); | |
ce5b453a SM |
1536 | return blv; |
1537 | } | |
1538 | ||
a7ca3326 | 1539 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, |
16a97296 | 1540 | Smake_variable_buffer_local, 1, 1, "vMake Variable Buffer Local: ", |
8c1a1077 PJ |
1541 | doc: /* Make VARIABLE become buffer-local whenever it is set. |
1542 | At any time, the value for the current buffer is in effect, | |
1543 | unless the variable has never been set in this buffer, | |
1544 | in which case the default value is in effect. | |
1545 | Note that binding the variable with `let', or setting it while | |
1546 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1547 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1548 | |
a9908653 RS |
1549 | In most cases it is better to use `make-local-variable', |
1550 | which makes a variable local in just one buffer. | |
1551 | ||
8c1a1077 | 1552 | The function `default-value' gets the default value and `set-default' sets it. */) |
5842a27b | 1553 | (register Lisp_Object variable) |
7921925c | 1554 | { |
ad97b375 | 1555 | struct Lisp_Symbol *sym; |
ce5b453a | 1556 | struct Lisp_Buffer_Local_Value *blv = NULL; |
bfe3e0a2 | 1557 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
de1339b0 | 1558 | bool forwarded IF_LINT (= 0); |
7921925c | 1559 | |
b7826503 | 1560 | CHECK_SYMBOL (variable); |
ce5b453a | 1561 | sym = XSYMBOL (variable); |
7921925c | 1562 | |
ce5b453a SM |
1563 | start: |
1564 | switch (sym->redirect) | |
fd9440c5 | 1565 | { |
ce5b453a SM |
1566 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1567 | case SYMBOL_PLAINVAL: | |
1568 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1569 | if (EQ (valcontents.value, Qunbound)) | |
1570 | valcontents.value = Qnil; | |
1571 | break; | |
1572 | case SYMBOL_LOCALIZED: | |
1573 | blv = SYMBOL_BLV (sym); | |
1574 | if (blv->frame_local) | |
1575 | error ("Symbol %s may not be buffer-local", | |
1576 | SDATA (SYMBOL_NAME (variable))); | |
1577 | break; | |
1578 | case SYMBOL_FORWARDED: | |
1579 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1580 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1581 | error ("Symbol %s may not be buffer-local", | |
1582 | SDATA (SYMBOL_NAME (variable))); | |
1583 | else if (BUFFER_OBJFWDP (valcontents.fwd)) | |
1584 | return variable; | |
1585 | break; | |
1088b922 | 1586 | default: emacs_abort (); |
fd9440c5 | 1587 | } |
ce5b453a SM |
1588 | |
1589 | if (sym->constant) | |
1590 | error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable))); | |
1591 | ||
1592 | if (!blv) | |
7921925c | 1593 | { |
ce5b453a SM |
1594 | blv = make_blv (sym, forwarded, valcontents); |
1595 | sym->redirect = SYMBOL_LOCALIZED; | |
1596 | SET_SYMBOL_BLV (sym, blv); | |
1597 | { | |
1598 | Lisp_Object symbol; | |
1599 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1600 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1601 | message ("Making %s buffer-local while let-bound!", |
1602 | SDATA (SYMBOL_NAME (variable))); | |
ce5b453a | 1603 | } |
7921925c | 1604 | } |
ce5b453a SM |
1605 | |
1606 | blv->local_if_set = 1; | |
d9c2a0f2 | 1607 | return variable; |
7921925c JB |
1608 | } |
1609 | ||
a7ca3326 | 1610 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, |
8c1a1077 PJ |
1611 | 1, 1, "vMake Local Variable: ", |
1612 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1613 | Other buffers will continue to share a common default value. | |
1614 | \(The buffer-local value of VARIABLE starts out as the same value | |
1615 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1616 | Return VARIABLE. |
8c1a1077 PJ |
1617 | |
1618 | If the variable is already arranged to become local when set, | |
1619 | this function causes a local value to exist for this buffer, | |
1620 | just as setting the variable would do. | |
1621 | ||
1622 | This function returns VARIABLE, and therefore | |
1623 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1624 | works. | |
1625 | ||
a9908653 RS |
1626 | See also `make-variable-buffer-local'. |
1627 | ||
8c1a1077 | 1628 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1629 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
de1339b0 | 1630 | (Lisp_Object variable) |
7921925c | 1631 | { |
de1339b0 PE |
1632 | Lisp_Object tem; |
1633 | bool forwarded IF_LINT (= 0); | |
bfe3e0a2 | 1634 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
ad97b375 | 1635 | struct Lisp_Symbol *sym; |
ce5b453a | 1636 | struct Lisp_Buffer_Local_Value *blv = NULL; |
7921925c | 1637 | |
b7826503 | 1638 | CHECK_SYMBOL (variable); |
ce5b453a | 1639 | sym = XSYMBOL (variable); |
7921925c | 1640 | |
ce5b453a SM |
1641 | start: |
1642 | switch (sym->redirect) | |
1643 | { | |
1644 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1645 | case SYMBOL_PLAINVAL: | |
1646 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); break; | |
1647 | case SYMBOL_LOCALIZED: | |
1648 | blv = SYMBOL_BLV (sym); | |
1649 | if (blv->frame_local) | |
1650 | error ("Symbol %s may not be buffer-local", | |
1651 | SDATA (SYMBOL_NAME (variable))); | |
1652 | break; | |
1653 | case SYMBOL_FORWARDED: | |
1654 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1655 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1656 | error ("Symbol %s may not be buffer-local", | |
1657 | SDATA (SYMBOL_NAME (variable))); | |
1658 | break; | |
1088b922 | 1659 | default: emacs_abort (); |
ce5b453a SM |
1660 | } |
1661 | ||
1662 | if (sym->constant) | |
8b1e1112 SM |
1663 | error ("Symbol %s may not be buffer-local", |
1664 | SDATA (SYMBOL_NAME (variable))); | |
7921925c | 1665 | |
ce5b453a SM |
1666 | if (blv ? blv->local_if_set |
1667 | : (forwarded && BUFFER_OBJFWDP (valcontents.fwd))) | |
7921925c | 1668 | { |
d9c2a0f2 | 1669 | tem = Fboundp (variable); |
7921925c JB |
1670 | /* Make sure the symbol has a local value in this particular buffer, |
1671 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1672 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1673 | return variable; | |
7921925c | 1674 | } |
ce5b453a | 1675 | if (!blv) |
7921925c | 1676 | { |
ce5b453a SM |
1677 | blv = make_blv (sym, forwarded, valcontents); |
1678 | sym->redirect = SYMBOL_LOCALIZED; | |
1679 | SET_SYMBOL_BLV (sym, blv); | |
1680 | { | |
1681 | Lisp_Object symbol; | |
1682 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1683 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1684 | message ("Making %s local to %s while let-bound!", |
1685 | SDATA (SYMBOL_NAME (variable)), | |
4b4deea2 | 1686 | SDATA (BVAR (current_buffer, name))); |
ce5b453a | 1687 | } |
7921925c | 1688 | } |
ce5b453a | 1689 | |
42e975f0 | 1690 | /* Make sure this buffer has its own value of symbol. */ |
ce5b453a | 1691 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
4b4deea2 | 1692 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1693 | if (NILP (tem)) |
7921925c | 1694 | { |
ce5b453a SM |
1695 | if (let_shadows_buffer_binding_p (sym)) |
1696 | message ("Making %s buffer-local while locally let-bound!", | |
1697 | SDATA (SYMBOL_NAME (variable))); | |
1698 | ||
a5d004a1 RS |
1699 | /* Swap out any local binding for some other buffer, and make |
1700 | sure the current value is permanently recorded, if it's the | |
1701 | default value. */ | |
d9c2a0f2 | 1702 | find_symbol_value (variable); |
a5d004a1 | 1703 | |
39eb03f1 PE |
1704 | bset_local_var_alist |
1705 | (current_buffer, | |
1706 | Fcons (Fcons (variable, XCDR (blv->defcell)), | |
1707 | BVAR (current_buffer, local_var_alist))); | |
7921925c JB |
1708 | |
1709 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1710 | force it to look once again for this buffer's value. */ |
ce5b453a | 1711 | if (current_buffer == XBUFFER (blv->where)) |
a04e2c62 DA |
1712 | set_blv_where (blv, Qnil); |
1713 | set_blv_found (blv, 0); | |
7921925c | 1714 | } |
a5ca2b75 | 1715 | |
42e975f0 RS |
1716 | /* If the symbol forwards into a C variable, then load the binding |
1717 | for this buffer now. If C code modifies the variable before we | |
1718 | load the binding in, then that new value will clobber the default | |
1719 | binding the next time we unload it. */ | |
ce5b453a SM |
1720 | if (blv->fwd) |
1721 | swap_in_symval_forwarding (sym, blv); | |
a5ca2b75 | 1722 | |
d9c2a0f2 | 1723 | return variable; |
7921925c JB |
1724 | } |
1725 | ||
1726 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1727 | 1, 1, "vKill Local Variable: ", |
1728 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1729 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
5842a27b | 1730 | (register Lisp_Object variable) |
7921925c | 1731 | { |
ce5b453a SM |
1732 | register Lisp_Object tem; |
1733 | struct Lisp_Buffer_Local_Value *blv; | |
ad97b375 | 1734 | struct Lisp_Symbol *sym; |
7921925c | 1735 | |
b7826503 | 1736 | CHECK_SYMBOL (variable); |
ce5b453a | 1737 | sym = XSYMBOL (variable); |
7921925c | 1738 | |
ce5b453a SM |
1739 | start: |
1740 | switch (sym->redirect) | |
7921925c | 1741 | { |
ce5b453a SM |
1742 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1743 | case SYMBOL_PLAINVAL: return variable; | |
1744 | case SYMBOL_FORWARDED: | |
1745 | { | |
1746 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1747 | if (BUFFER_OBJFWDP (valcontents)) | |
1748 | { | |
1749 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1750 | int idx = PER_BUFFER_IDX (offset); | |
1751 | ||
1752 | if (idx > 0) | |
1753 | { | |
1754 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); | |
4ce60d2e DA |
1755 | set_per_buffer_value (current_buffer, offset, |
1756 | per_buffer_default (offset)); | |
ce5b453a SM |
1757 | } |
1758 | } | |
1759 | return variable; | |
1760 | } | |
1761 | case SYMBOL_LOCALIZED: | |
1762 | blv = SYMBOL_BLV (sym); | |
1763 | if (blv->frame_local) | |
1764 | return variable; | |
1765 | break; | |
1088b922 | 1766 | default: emacs_abort (); |
7921925c JB |
1767 | } |
1768 | ||
42e975f0 | 1769 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1770 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
4b4deea2 | 1771 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1772 | if (!NILP (tem)) |
39eb03f1 PE |
1773 | bset_local_var_alist |
1774 | (current_buffer, | |
1775 | Fdelq (tem, BVAR (current_buffer, local_var_alist))); | |
7921925c | 1776 | |
42e975f0 RS |
1777 | /* If the symbol is set up with the current buffer's binding |
1778 | loaded, recompute its value. We have to do it now, or else | |
1779 | forwarded objects won't work right. */ | |
7921925c | 1780 | { |
ce5b453a SM |
1781 | Lisp_Object buf; XSETBUFFER (buf, current_buffer); |
1782 | if (EQ (buf, blv->where)) | |
79c83e03 | 1783 | { |
a04e2c62 | 1784 | set_blv_where (blv, Qnil); |
9e677988 | 1785 | blv->found = 0; |
978dd578 | 1786 | find_symbol_value (variable); |
79c83e03 | 1787 | } |
7921925c JB |
1788 | } |
1789 | ||
d9c2a0f2 | 1790 | return variable; |
7921925c | 1791 | } |
62476adc | 1792 | |
b0c2d1c6 RS |
1793 | /* Lisp functions for creating and removing buffer-local variables. */ |
1794 | ||
ab795c65 GM |
1795 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1796 | when/if this is removed. */ | |
1797 | ||
b0c2d1c6 | 1798 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1799 | 1, 1, "vMake Variable Frame Local: ", |
1800 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1801 | This does not create any frame-local bindings for VARIABLE, |
1802 | it just makes them possible. | |
1803 | ||
1804 | A frame-local binding is actually a frame parameter value. | |
1805 | If a frame F has a value for the frame parameter named VARIABLE, | |
1806 | that also acts as a frame-local binding for VARIABLE in F-- | |
1807 | provided this function has been called to enable VARIABLE | |
1808 | to have frame-local bindings at all. | |
1809 | ||
1810 | The only way to create a frame-local binding for VARIABLE in a frame | |
1811 | is to set the VARIABLE frame parameter of that frame. See | |
1812 | `modify-frame-parameters' for how to set frame parameters. | |
1813 | ||
a02a1384 GM |
1814 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1815 | frame-local any more (buffer-local bindings used to take precedence over | |
1816 | frame-local bindings). */) | |
de1339b0 | 1817 | (Lisp_Object variable) |
b0c2d1c6 | 1818 | { |
de1339b0 | 1819 | bool forwarded; |
ce5b453a | 1820 | union Lisp_Val_Fwd valcontents; |
ad97b375 | 1821 | struct Lisp_Symbol *sym; |
ce5b453a | 1822 | struct Lisp_Buffer_Local_Value *blv = NULL; |
b0c2d1c6 | 1823 | |
b7826503 | 1824 | CHECK_SYMBOL (variable); |
ce5b453a | 1825 | sym = XSYMBOL (variable); |
b0c2d1c6 | 1826 | |
ce5b453a SM |
1827 | start: |
1828 | switch (sym->redirect) | |
42e975f0 | 1829 | { |
ce5b453a SM |
1830 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1831 | case SYMBOL_PLAINVAL: | |
1832 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1833 | if (EQ (valcontents.value, Qunbound)) | |
1834 | valcontents.value = Qnil; | |
1835 | break; | |
1836 | case SYMBOL_LOCALIZED: | |
1837 | if (SYMBOL_BLV (sym)->frame_local) | |
1838 | return variable; | |
1839 | else | |
1840 | error ("Symbol %s may not be frame-local", | |
1841 | SDATA (SYMBOL_NAME (variable))); | |
1842 | case SYMBOL_FORWARDED: | |
1843 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1844 | if (KBOARD_OBJFWDP (valcontents.fwd) || BUFFER_OBJFWDP (valcontents.fwd)) | |
1845 | error ("Symbol %s may not be frame-local", | |
1846 | SDATA (SYMBOL_NAME (variable))); | |
1847 | break; | |
1088b922 | 1848 | default: emacs_abort (); |
42e975f0 | 1849 | } |
b0c2d1c6 | 1850 | |
ce5b453a SM |
1851 | if (sym->constant) |
1852 | error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable))); | |
1853 | ||
1854 | blv = make_blv (sym, forwarded, valcontents); | |
1855 | blv->frame_local = 1; | |
1856 | sym->redirect = SYMBOL_LOCALIZED; | |
1857 | SET_SYMBOL_BLV (sym, blv); | |
8b1e1112 SM |
1858 | { |
1859 | Lisp_Object symbol; | |
1860 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1861 | if (let_shadows_global_binding_p (symbol)) | |
1862 | message ("Making %s frame-local while let-bound!", | |
1863 | SDATA (SYMBOL_NAME (variable))); | |
1864 | } | |
b0c2d1c6 RS |
1865 | return variable; |
1866 | } | |
1867 | ||
a7ca3326 | 1868 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1869 | 1, 2, 0, |
1870 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1871 | BUFFER defaults to the current buffer. */) | |
5842a27b | 1872 | (register Lisp_Object variable, Lisp_Object buffer) |
62476adc | 1873 | { |
c48ead86 | 1874 | register struct buffer *buf; |
ad97b375 | 1875 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1876 | |
1877 | if (NILP (buffer)) | |
1878 | buf = current_buffer; | |
1879 | else | |
1880 | { | |
b7826503 | 1881 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1882 | buf = XBUFFER (buffer); |
1883 | } | |
62476adc | 1884 | |
b7826503 | 1885 | CHECK_SYMBOL (variable); |
ce5b453a | 1886 | sym = XSYMBOL (variable); |
be95bee9 | 1887 | |
ce5b453a SM |
1888 | start: |
1889 | switch (sym->redirect) | |
c48ead86 | 1890 | { |
ce5b453a SM |
1891 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1892 | case SYMBOL_PLAINVAL: return Qnil; | |
1893 | case SYMBOL_LOCALIZED: | |
1894 | { | |
1895 | Lisp_Object tail, elt, tmp; | |
1896 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1897 | XSETBUFFER (tmp, buf); | |
8d1d9587 | 1898 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
aa3830c4 | 1899 | |
2f592f95 SM |
1900 | if (EQ (blv->where, tmp)) /* The binding is already loaded. */ |
1901 | return blv_found (blv) ? Qt : Qnil; | |
1902 | else | |
1903 | for (tail = BVAR (buf, local_var_alist); CONSP (tail); tail = XCDR (tail)) | |
1904 | { | |
1905 | elt = XCAR (tail); | |
1906 | if (EQ (variable, XCAR (elt))) | |
1907 | { | |
1908 | eassert (!blv->frame_local); | |
1909 | return Qt; | |
1910 | } | |
1911 | } | |
ce5b453a SM |
1912 | return Qnil; |
1913 | } | |
1914 | case SYMBOL_FORWARDED: | |
1915 | { | |
1916 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1917 | if (BUFFER_OBJFWDP (valcontents)) | |
1918 | { | |
1919 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1920 | int idx = PER_BUFFER_IDX (offset); | |
1921 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
1922 | return Qt; | |
1923 | } | |
1924 | return Qnil; | |
1925 | } | |
1088b922 | 1926 | default: emacs_abort (); |
c48ead86 | 1927 | } |
62476adc | 1928 | } |
f4f04cee RS |
1929 | |
1930 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1931 | 1, 2, 0, |
1a5432bc CY |
1932 | doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there. |
1933 | BUFFER defaults to the current buffer. | |
1934 | ||
1935 | More precisely, return non-nil if either VARIABLE already has a local | |
1936 | value in BUFFER, or if VARIABLE is automatically buffer-local (see | |
1937 | `make-variable-buffer-local'). */) | |
5842a27b | 1938 | (register Lisp_Object variable, Lisp_Object buffer) |
f4f04cee | 1939 | { |
ad97b375 | 1940 | struct Lisp_Symbol *sym; |
f4f04cee | 1941 | |
b7826503 | 1942 | CHECK_SYMBOL (variable); |
ce5b453a | 1943 | sym = XSYMBOL (variable); |
f4f04cee | 1944 | |
ce5b453a SM |
1945 | start: |
1946 | switch (sym->redirect) | |
f4f04cee | 1947 | { |
ce5b453a SM |
1948 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1949 | case SYMBOL_PLAINVAL: return Qnil; | |
1950 | case SYMBOL_LOCALIZED: | |
1951 | { | |
1952 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1953 | if (blv->local_if_set) | |
1954 | return Qt; | |
1955 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ | |
1956 | return Flocal_variable_p (variable, buffer); | |
1957 | } | |
1958 | case SYMBOL_FORWARDED: | |
1959 | /* All BUFFER_OBJFWD slots become local if they are set. */ | |
1960 | return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil); | |
1088b922 | 1961 | default: emacs_abort (); |
f4f04cee | 1962 | } |
f4f04cee | 1963 | } |
6b61353c KH |
1964 | |
1965 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1966 | 1, 1, 0, | |
1967 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1968 | If the current binding is buffer-local, the value is the current buffer. | |
1969 | If the current binding is frame-local, the value is the selected frame. | |
1970 | If the current binding is global (the default), the value is nil. */) | |
5842a27b | 1971 | (register Lisp_Object variable) |
6b61353c | 1972 | { |
ad97b375 | 1973 | struct Lisp_Symbol *sym; |
6b61353c KH |
1974 | |
1975 | CHECK_SYMBOL (variable); | |
ce5b453a | 1976 | sym = XSYMBOL (variable); |
6b61353c KH |
1977 | |
1978 | /* Make sure the current binding is actually swapped in. */ | |
1979 | find_symbol_value (variable); | |
1980 | ||
ce5b453a SM |
1981 | start: |
1982 | switch (sym->redirect) | |
6b61353c | 1983 | { |
ce5b453a SM |
1984 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1985 | case SYMBOL_PLAINVAL: return Qnil; | |
1986 | case SYMBOL_FORWARDED: | |
1987 | { | |
1988 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1989 | if (KBOARD_OBJFWDP (valcontents)) | |
1990 | return Fframe_terminal (Fselected_frame ()); | |
1991 | else if (!BUFFER_OBJFWDP (valcontents)) | |
1992 | return Qnil; | |
1993 | } | |
1994 | /* FALLTHROUGH */ | |
1995 | case SYMBOL_LOCALIZED: | |
6b61353c KH |
1996 | /* For a local variable, record both the symbol and which |
1997 | buffer's or frame's value we are saving. */ | |
1998 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
1999 | return Fcurrent_buffer (); | |
ce5b453a | 2000 | else if (sym->redirect == SYMBOL_LOCALIZED |
a04e2c62 | 2001 | && blv_found (SYMBOL_BLV (sym))) |
ce5b453a SM |
2002 | return SYMBOL_BLV (sym)->where; |
2003 | else | |
2004 | return Qnil; | |
1088b922 | 2005 | default: emacs_abort (); |
6b61353c | 2006 | } |
6b61353c | 2007 | } |
2a42d440 | 2008 | |
c40bb1ba KL |
2009 | /* This code is disabled now that we use the selected frame to return |
2010 | keyboard-local-values. */ | |
2011 | #if 0 | |
f57e2426 | 2012 | extern struct terminal *get_terminal (Lisp_Object display, int); |
2a42d440 | 2013 | |
a7ca3326 | 2014 | DEFUN ("terminal-local-value", Fterminal_local_value, |
16a97296 | 2015 | Sterminal_local_value, 2, 2, 0, |
6ed8eeff | 2016 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
2017 | If SYMBOL is not a terminal-local variable, then return its normal |
2018 | value, like `symbol-value'. | |
2019 | ||
708e05dc | 2020 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2021 | selected frame's terminal device). */) |
5842a27b | 2022 | (Lisp_Object symbol, Lisp_Object terminal) |
2a42d440 KL |
2023 | { |
2024 | Lisp_Object result; | |
6ed8eeff KL |
2025 | struct terminal *t = get_terminal (terminal, 1); |
2026 | push_kboard (t->kboard); | |
2a42d440 | 2027 | result = Fsymbol_value (symbol); |
256c9c3a | 2028 | pop_kboard (); |
2a42d440 KL |
2029 | return result; |
2030 | } | |
2031 | ||
a7ca3326 | 2032 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, |
16a97296 | 2033 | Sset_terminal_local_value, 3, 3, 0, |
6ed8eeff | 2034 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 2035 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
2036 | binding, like `set'. |
2037 | ||
708e05dc | 2038 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 2039 | selected frame's terminal device). */) |
5842a27b | 2040 | (Lisp_Object symbol, Lisp_Object terminal, Lisp_Object value) |
2a42d440 KL |
2041 | { |
2042 | Lisp_Object result; | |
6ed8eeff | 2043 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 2044 | push_kboard (d->kboard); |
2a42d440 | 2045 | result = Fset (symbol, value); |
256c9c3a | 2046 | pop_kboard (); |
2a42d440 KL |
2047 | return result; |
2048 | } | |
c40bb1ba | 2049 | #endif |
7921925c | 2050 | \f |
ffd56f97 JB |
2051 | /* Find the function at the end of a chain of symbol function indirections. */ |
2052 | ||
2053 | /* If OBJECT is a symbol, find the end of its function chain and | |
2054 | return the value found there. If OBJECT is not a symbol, just | |
2055 | return it. If there is a cycle in the function chain, signal a | |
2056 | cyclic-function-indirection error. | |
2057 | ||
2058 | This is like Findirect_function, except that it doesn't signal an | |
2059 | error if the chain ends up unbound. */ | |
2060 | Lisp_Object | |
971de7fb | 2061 | indirect_function (register Lisp_Object object) |
ffd56f97 | 2062 | { |
eb8c3be9 | 2063 | Lisp_Object tortoise, hare; |
ffd56f97 | 2064 | |
eb8c3be9 | 2065 | hare = tortoise = object; |
ffd56f97 JB |
2066 | |
2067 | for (;;) | |
2068 | { | |
eadf1faa | 2069 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2070 | break; |
c644523b | 2071 | hare = XSYMBOL (hare)->function; |
eadf1faa | 2072 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2073 | break; |
c644523b | 2074 | hare = XSYMBOL (hare)->function; |
ffd56f97 | 2075 | |
c644523b | 2076 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 2077 | |
eb8c3be9 | 2078 | if (EQ (hare, tortoise)) |
740ef0b5 | 2079 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
2080 | } |
2081 | ||
2082 | return hare; | |
2083 | } | |
2084 | ||
a7ca3326 | 2085 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 2086 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
2087 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
2088 | function indirections to find the final function binding and return it. | |
2089 | If the final symbol in the chain is unbound, signal a void-function error. | |
8350f087 | 2090 | Optional arg NOERROR non-nil means to return nil instead of signaling. |
8c1a1077 PJ |
2091 | Signal a cyclic-function-indirection error if there is a loop in the |
2092 | function chain of symbols. */) | |
5842a27b | 2093 | (register Lisp_Object object, Lisp_Object noerror) |
ffd56f97 JB |
2094 | { |
2095 | Lisp_Object result; | |
2096 | ||
64de53d8 KS |
2097 | /* Optimize for no indirection. */ |
2098 | result = object; | |
eadf1faa | 2099 | if (SYMBOLP (result) && !NILP (result) |
c644523b | 2100 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) |
64de53d8 | 2101 | result = indirect_function (result); |
eadf1faa | 2102 | if (!NILP (result)) |
64de53d8 | 2103 | return result; |
ffd56f97 | 2104 | |
64de53d8 | 2105 | if (NILP (noerror)) |
740ef0b5 | 2106 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 2107 | |
64de53d8 | 2108 | return Qnil; |
ffd56f97 JB |
2109 | } |
2110 | \f | |
7abaf5cc | 2111 | /* Extract and set vector and string elements. */ |
7921925c | 2112 | |
a7ca3326 | 2113 | DEFUN ("aref", Faref, Saref, 2, 2, 0, |
8c1a1077 PJ |
2114 | doc: /* Return the element of ARRAY at index IDX. |
2115 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
2116 | or a byte-code object. IDX starts at 0. */) | |
5842a27b | 2117 | (register Lisp_Object array, Lisp_Object idx) |
7921925c | 2118 | { |
ace1712c | 2119 | register EMACS_INT idxval; |
7921925c | 2120 | |
b7826503 | 2121 | CHECK_NUMBER (idx); |
7921925c | 2122 | idxval = XINT (idx); |
e9ebc175 | 2123 | if (STRINGP (array)) |
7921925c | 2124 | { |
ace1712c | 2125 | int c; |
d311d28c | 2126 | ptrdiff_t idxval_byte; |
25638b07 | 2127 | |
d5db4077 | 2128 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2129 | args_out_of_range (array, idx); |
25638b07 | 2130 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2131 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2132 | idxval_byte = string_char_to_byte (array, idxval); |
2133 | ||
62a6e103 | 2134 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2135 | return make_number (c); |
7921925c | 2136 | } |
4d276982 RS |
2137 | else if (BOOL_VECTOR_P (array)) |
2138 | { | |
2139 | int val; | |
4d276982 RS |
2140 | |
2141 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2142 | args_out_of_range (array, idx); | |
2143 | ||
b9ed2177 AS |
2144 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
2145 | return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil); | |
4d276982 RS |
2146 | } |
2147 | else if (CHAR_TABLE_P (array)) | |
2148 | { | |
e6e1f521 KH |
2149 | CHECK_CHARACTER (idx); |
2150 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2151 | } |
7921925c | 2152 | else |
c24e4efe | 2153 | { |
90d8445b | 2154 | ptrdiff_t size = 0; |
7f358972 | 2155 | if (VECTORP (array)) |
77b37c05 | 2156 | size = ASIZE (array); |
876c194c | 2157 | else if (COMPILEDP (array)) |
77b37c05 | 2158 | size = ASIZE (array) & PSEUDOVECTOR_SIZE_MASK; |
7f358972 RS |
2159 | else |
2160 | wrong_type_argument (Qarrayp, array); | |
2161 | ||
2162 | if (idxval < 0 || idxval >= size) | |
c24e4efe | 2163 | args_out_of_range (array, idx); |
b9598260 | 2164 | return AREF (array, idxval); |
c24e4efe | 2165 | } |
7921925c JB |
2166 | } |
2167 | ||
a7ca3326 | 2168 | DEFUN ("aset", Faset, Saset, 3, 3, 0, |
8c1a1077 | 2169 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2170 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2171 | bool-vector. IDX starts at 0. */) | |
5842a27b | 2172 | (register Lisp_Object array, Lisp_Object idx, Lisp_Object newelt) |
7921925c | 2173 | { |
ace1712c | 2174 | register EMACS_INT idxval; |
7921925c | 2175 | |
b7826503 | 2176 | CHECK_NUMBER (idx); |
7921925c | 2177 | idxval = XINT (idx); |
0c64a8cd | 2178 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2179 | CHECK_IMPURE (array); |
2180 | ||
e9ebc175 | 2181 | if (VECTORP (array)) |
c24e4efe | 2182 | { |
77b37c05 | 2183 | if (idxval < 0 || idxval >= ASIZE (array)) |
c24e4efe | 2184 | args_out_of_range (array, idx); |
28be1ada | 2185 | ASET (array, idxval, newelt); |
c24e4efe | 2186 | } |
4d276982 RS |
2187 | else if (BOOL_VECTOR_P (array)) |
2188 | { | |
2189 | int val; | |
4d276982 RS |
2190 | |
2191 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2192 | args_out_of_range (array, idx); | |
2193 | ||
b9ed2177 | 2194 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
4d276982 RS |
2195 | |
2196 | if (! NILP (newelt)) | |
b9ed2177 | 2197 | val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR); |
4d276982 | 2198 | else |
b9ed2177 AS |
2199 | val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)); |
2200 | XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val; | |
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 | ||
2270 | enum comparison { equal, notequal, less, grtr, less_or_equal, grtr_or_equal }; | |
2271 | ||
112396d6 | 2272 | static Lisp_Object |
971de7fb | 2273 | arithcompare (Lisp_Object num1, Lisp_Object num2, enum comparison comparison) |
7921925c | 2274 | { |
6bbd7a29 | 2275 | double f1 = 0, f2 = 0; |
de1339b0 | 2276 | bool floatp = 0; |
7921925c | 2277 | |
b7826503 PJ |
2278 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2279 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2280 | |
e9ebc175 | 2281 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2282 | { |
2283 | floatp = 1; | |
7539e11f KR |
2284 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2285 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2286 | } |
7921925c JB |
2287 | |
2288 | switch (comparison) | |
2289 | { | |
2290 | case equal: | |
2291 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) | |
2292 | return Qt; | |
2293 | return Qnil; | |
2294 | ||
2295 | case notequal: | |
2296 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) | |
2297 | return Qt; | |
2298 | return Qnil; | |
2299 | ||
2300 | case less: | |
2301 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) | |
2302 | return Qt; | |
2303 | return Qnil; | |
2304 | ||
2305 | case less_or_equal: | |
2306 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) | |
2307 | return Qt; | |
2308 | return Qnil; | |
2309 | ||
2310 | case grtr: | |
2311 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) | |
2312 | return Qt; | |
2313 | return Qnil; | |
2314 | ||
2315 | case grtr_or_equal: | |
2316 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) | |
2317 | return Qt; | |
2318 | return Qnil; | |
25e40a4b JB |
2319 | |
2320 | default: | |
1088b922 | 2321 | emacs_abort (); |
7921925c JB |
2322 | } |
2323 | } | |
2324 | ||
2325 | DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0, | |
8c1a1077 | 2326 | doc: /* Return t if two args, both numbers or markers, are equal. */) |
5842a27b | 2327 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2328 | { |
2329 | return arithcompare (num1, num2, equal); | |
2330 | } | |
2331 | ||
a7ca3326 | 2332 | DEFUN ("<", Flss, Slss, 2, 2, 0, |
8c1a1077 | 2333 | doc: /* Return t if first arg is less than second arg. Both must be numbers or markers. */) |
5842a27b | 2334 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2335 | { |
2336 | return arithcompare (num1, num2, less); | |
2337 | } | |
2338 | ||
a7ca3326 | 2339 | DEFUN (">", Fgtr, Sgtr, 2, 2, 0, |
8c1a1077 | 2340 | doc: /* Return t if first arg is greater than second arg. Both must be numbers or markers. */) |
5842a27b | 2341 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2342 | { |
2343 | return arithcompare (num1, num2, grtr); | |
2344 | } | |
2345 | ||
a7ca3326 | 2346 | DEFUN ("<=", Fleq, Sleq, 2, 2, 0, |
8c1a1077 PJ |
2347 | doc: /* Return t if first arg is less than or equal to second arg. |
2348 | Both must be numbers or markers. */) | |
5842a27b | 2349 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2350 | { |
2351 | return arithcompare (num1, num2, less_or_equal); | |
2352 | } | |
2353 | ||
a7ca3326 | 2354 | DEFUN (">=", Fgeq, Sgeq, 2, 2, 0, |
8c1a1077 PJ |
2355 | doc: /* Return t if first arg is greater than or equal to second arg. |
2356 | Both must be numbers or markers. */) | |
5842a27b | 2357 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2358 | { |
2359 | return arithcompare (num1, num2, grtr_or_equal); | |
2360 | } | |
2361 | ||
2362 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 | 2363 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
5842a27b | 2364 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2365 | { |
2366 | return arithcompare (num1, num2, notequal); | |
2367 | } | |
2368 | ||
a7ca3326 | 2369 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
8c1a1077 | 2370 | doc: /* Return t if NUMBER is zero. */) |
5842a27b | 2371 | (register Lisp_Object number) |
7921925c | 2372 | { |
b7826503 | 2373 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2374 | |
d9c2a0f2 | 2375 | if (FLOATP (number)) |
7921925c | 2376 | { |
7539e11f | 2377 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2378 | return Qt; |
2379 | return Qnil; | |
2380 | } | |
7921925c | 2381 | |
d9c2a0f2 | 2382 | if (!XINT (number)) |
7921925c JB |
2383 | return Qt; |
2384 | return Qnil; | |
2385 | } | |
2386 | \f | |
be44ca6c PE |
2387 | /* Convert the cons-of-integers, integer, or float value C to an |
2388 | unsigned value with maximum value MAX. Signal an error if C does not | |
2389 | have a valid format or is out of range. */ | |
2390 | uintmax_t | |
2391 | cons_to_unsigned (Lisp_Object c, uintmax_t max) | |
2392 | { | |
de1339b0 | 2393 | bool valid = 0; |
be44ca6c PE |
2394 | uintmax_t val IF_LINT (= 0); |
2395 | if (INTEGERP (c)) | |
2396 | { | |
2397 | valid = 0 <= XINT (c); | |
2398 | val = XINT (c); | |
2399 | } | |
2400 | else if (FLOATP (c)) | |
2401 | { | |
2402 | double d = XFLOAT_DATA (c); | |
2403 | if (0 <= d | |
2404 | && d < (max == UINTMAX_MAX ? (double) UINTMAX_MAX + 1 : max + 1)) | |
2405 | { | |
2406 | val = d; | |
2407 | valid = 1; | |
2408 | } | |
2409 | } | |
2410 | else if (CONSP (c) && NATNUMP (XCAR (c))) | |
2411 | { | |
2412 | uintmax_t top = XFASTINT (XCAR (c)); | |
2413 | Lisp_Object rest = XCDR (c); | |
2414 | if (top <= UINTMAX_MAX >> 24 >> 16 | |
2415 | && CONSP (rest) | |
2416 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2417 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2418 | { | |
2419 | uintmax_t mid = XFASTINT (XCAR (rest)); | |
2420 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2421 | valid = 1; | |
2422 | } | |
2423 | else if (top <= UINTMAX_MAX >> 16) | |
2424 | { | |
2425 | if (CONSP (rest)) | |
2426 | rest = XCAR (rest); | |
2427 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2428 | { | |
2429 | val = top << 16 | XFASTINT (rest); | |
2430 | valid = 1; | |
2431 | } | |
2432 | } | |
2433 | } | |
51cf3e31 | 2434 | |
be44ca6c PE |
2435 | if (! (valid && val <= max)) |
2436 | error ("Not an in-range integer, float, or cons of integers"); | |
2437 | return val; | |
51cf3e31 JB |
2438 | } |
2439 | ||
be44ca6c PE |
2440 | /* Convert the cons-of-integers, integer, or float value C to a signed |
2441 | value with extrema MIN and MAX. Signal an error if C does not have | |
2442 | a valid format or is out of range. */ | |
2443 | intmax_t | |
2444 | cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max) | |
51cf3e31 | 2445 | { |
de1339b0 | 2446 | bool valid = 0; |
be44ca6c | 2447 | intmax_t val IF_LINT (= 0); |
51cf3e31 | 2448 | if (INTEGERP (c)) |
be44ca6c PE |
2449 | { |
2450 | val = XINT (c); | |
2451 | valid = 1; | |
2452 | } | |
2453 | else if (FLOATP (c)) | |
2454 | { | |
2455 | double d = XFLOAT_DATA (c); | |
2456 | if (min <= d | |
2457 | && d < (max == INTMAX_MAX ? (double) INTMAX_MAX + 1 : max + 1)) | |
2458 | { | |
2459 | val = d; | |
2460 | valid = 1; | |
2461 | } | |
2462 | } | |
2463 | else if (CONSP (c) && INTEGERP (XCAR (c))) | |
2464 | { | |
2465 | intmax_t top = XINT (XCAR (c)); | |
2466 | Lisp_Object rest = XCDR (c); | |
2467 | if (INTMAX_MIN >> 24 >> 16 <= top && top <= INTMAX_MAX >> 24 >> 16 | |
2468 | && CONSP (rest) | |
2469 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2470 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2471 | { | |
2472 | intmax_t mid = XFASTINT (XCAR (rest)); | |
2473 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2474 | valid = 1; | |
2475 | } | |
2476 | else if (INTMAX_MIN >> 16 <= top && top <= INTMAX_MAX >> 16) | |
2477 | { | |
2478 | if (CONSP (rest)) | |
2479 | rest = XCAR (rest); | |
2480 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2481 | { | |
2482 | val = top << 16 | XFASTINT (rest); | |
2483 | valid = 1; | |
2484 | } | |
2485 | } | |
2486 | } | |
2487 | ||
2488 | if (! (valid && min <= val && val <= max)) | |
2489 | error ("Not an in-range integer, float, or cons of integers"); | |
2490 | return val; | |
51cf3e31 JB |
2491 | } |
2492 | \f | |
a7ca3326 | 2493 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2494 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2495 | Uses a minus sign if negative. |
2496 | NUMBER may be an integer or a floating point number. */) | |
5842a27b | 2497 | (Lisp_Object number) |
7921925c | 2498 | { |
99027bdd PE |
2499 | char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))]; |
2500 | int len; | |
7921925c | 2501 | |
b7826503 | 2502 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2503 | |
d9c2a0f2 | 2504 | if (FLOATP (number)) |
99027bdd PE |
2505 | len = float_to_string (buffer, XFLOAT_DATA (number)); |
2506 | else | |
2507 | len = sprintf (buffer, "%"pI"d", XINT (number)); | |
7921925c | 2508 | |
99027bdd | 2509 | return make_unibyte_string (buffer, len); |
7921925c JB |
2510 | } |
2511 | ||
a7ca3326 | 2512 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, |
558ee900 | 2513 | doc: /* Parse STRING as a decimal number and return the number. |
8c1a1077 | 2514 | This parses both integers and floating point numbers. |
be95bee9 | 2515 | It ignores leading spaces and tabs, and all trailing chars. |
8c1a1077 PJ |
2516 | |
2517 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2518 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
be95bee9 | 2519 | If the base used is not 10, STRING is always parsed as integer. */) |
5842a27b | 2520 | (register Lisp_Object string, Lisp_Object base) |
7921925c | 2521 | { |
57ace6d0 | 2522 | register char *p; |
342858a5 | 2523 | register int b; |
452f4150 | 2524 | Lisp_Object val; |
25e40a4b | 2525 | |
b7826503 | 2526 | CHECK_STRING (string); |
7921925c | 2527 | |
3883fbeb RS |
2528 | if (NILP (base)) |
2529 | b = 10; | |
2530 | else | |
2531 | { | |
b7826503 | 2532 | CHECK_NUMBER (base); |
d311d28c | 2533 | if (! (2 <= XINT (base) && XINT (base) <= 16)) |
740ef0b5 | 2534 | xsignal1 (Qargs_out_of_range, base); |
d311d28c | 2535 | b = XINT (base); |
3883fbeb RS |
2536 | } |
2537 | ||
57ace6d0 | 2538 | p = SSDATA (string); |
0a3e4d65 | 2539 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2540 | p++; |
2541 | ||
452f4150 PE |
2542 | val = string_to_number (p, b, 1); |
2543 | return NILP (val) ? make_number (0) : val; | |
7921925c | 2544 | } |
7403b5c8 | 2545 | \f |
7921925c | 2546 | enum arithop |
7a283f36 GM |
2547 | { |
2548 | Aadd, | |
2549 | Asub, | |
2550 | Amult, | |
2551 | Adiv, | |
2552 | Alogand, | |
2553 | Alogior, | |
2554 | Alogxor, | |
2555 | Amax, | |
2556 | Amin | |
2557 | }; | |
2558 | ||
f66c7cf8 PE |
2559 | static Lisp_Object float_arith_driver (double, ptrdiff_t, enum arithop, |
2560 | ptrdiff_t, Lisp_Object *); | |
112396d6 | 2561 | static Lisp_Object |
f66c7cf8 | 2562 | arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2563 | { |
de1339b0 PE |
2564 | Lisp_Object val; |
2565 | ptrdiff_t argnum, ok_args; | |
2566 | EMACS_INT accum = 0; | |
2567 | EMACS_INT next, ok_accum; | |
2568 | bool overflow = 0; | |
0ae6bdee | 2569 | |
7393bcbb | 2570 | switch (code) |
7921925c JB |
2571 | { |
2572 | case Alogior: | |
2573 | case Alogxor: | |
2574 | case Aadd: | |
2575 | case Asub: | |
7a283f36 GM |
2576 | accum = 0; |
2577 | break; | |
7921925c | 2578 | case Amult: |
7a283f36 GM |
2579 | accum = 1; |
2580 | break; | |
7921925c | 2581 | case Alogand: |
7a283f36 GM |
2582 | accum = -1; |
2583 | break; | |
2584 | default: | |
2585 | break; | |
7921925c JB |
2586 | } |
2587 | ||
2588 | for (argnum = 0; argnum < nargs; argnum++) | |
2589 | { | |
0ae6bdee PE |
2590 | if (! overflow) |
2591 | { | |
2592 | ok_args = argnum; | |
2593 | ok_accum = accum; | |
2594 | } | |
2595 | ||
7a283f36 GM |
2596 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2597 | val = args[argnum]; | |
b7826503 | 2598 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2599 | |
7a283f36 | 2600 | if (FLOATP (val)) |
0ae6bdee | 2601 | return float_arith_driver (ok_accum, ok_args, code, |
7a283f36 GM |
2602 | nargs, args); |
2603 | args[argnum] = val; | |
7921925c | 2604 | next = XINT (args[argnum]); |
7393bcbb | 2605 | switch (code) |
7921925c | 2606 | { |
7a283f36 | 2607 | case Aadd: |
0ae6bdee PE |
2608 | if (INT_ADD_OVERFLOW (accum, next)) |
2609 | { | |
2610 | overflow = 1; | |
2611 | accum &= INTMASK; | |
2612 | } | |
7a283f36 GM |
2613 | accum += next; |
2614 | break; | |
7921925c | 2615 | case Asub: |
0ae6bdee PE |
2616 | if (INT_SUBTRACT_OVERFLOW (accum, next)) |
2617 | { | |
2618 | overflow = 1; | |
2619 | accum &= INTMASK; | |
2620 | } | |
e64981da | 2621 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2622 | break; |
7a283f36 | 2623 | case Amult: |
0ae6bdee PE |
2624 | if (INT_MULTIPLY_OVERFLOW (accum, next)) |
2625 | { | |
c8a9ca5a | 2626 | EMACS_UINT a = accum, b = next, ab = a * b; |
0ae6bdee | 2627 | overflow = 1; |
c8a9ca5a | 2628 | accum = ab & INTMASK; |
0ae6bdee PE |
2629 | } |
2630 | else | |
2631 | accum *= next; | |
7a283f36 | 2632 | break; |
7921925c | 2633 | case Adiv: |
7a283f36 GM |
2634 | if (!argnum) |
2635 | accum = next; | |
87fbf902 RS |
2636 | else |
2637 | { | |
2638 | if (next == 0) | |
740ef0b5 | 2639 | xsignal0 (Qarith_error); |
87fbf902 RS |
2640 | accum /= next; |
2641 | } | |
7921925c | 2642 | break; |
7a283f36 GM |
2643 | case Alogand: |
2644 | accum &= next; | |
2645 | break; | |
2646 | case Alogior: | |
2647 | accum |= next; | |
2648 | break; | |
2649 | case Alogxor: | |
2650 | accum ^= next; | |
2651 | break; | |
2652 | case Amax: | |
2653 | if (!argnum || next > accum) | |
2654 | accum = next; | |
2655 | break; | |
2656 | case Amin: | |
2657 | if (!argnum || next < accum) | |
2658 | accum = next; | |
2659 | break; | |
7921925c JB |
2660 | } |
2661 | } | |
2662 | ||
f187f1f7 | 2663 | XSETINT (val, accum); |
7921925c JB |
2664 | return val; |
2665 | } | |
2666 | ||
1a2f2d33 KH |
2667 | #undef isnan |
2668 | #define isnan(x) ((x) != (x)) | |
2669 | ||
7a283f36 | 2670 | static Lisp_Object |
f66c7cf8 PE |
2671 | float_arith_driver (double accum, ptrdiff_t argnum, enum arithop code, |
2672 | ptrdiff_t nargs, Lisp_Object *args) | |
7921925c JB |
2673 | { |
2674 | register Lisp_Object val; | |
2675 | double next; | |
7403b5c8 | 2676 | |
7921925c JB |
2677 | for (; argnum < nargs; argnum++) |
2678 | { | |
2679 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2680 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2681 | |
e9ebc175 | 2682 | if (FLOATP (val)) |
7921925c | 2683 | { |
7539e11f | 2684 | next = XFLOAT_DATA (val); |
7921925c JB |
2685 | } |
2686 | else | |
2687 | { | |
2688 | args[argnum] = val; /* runs into a compiler bug. */ | |
2689 | next = XINT (args[argnum]); | |
2690 | } | |
7393bcbb | 2691 | switch (code) |
7921925c JB |
2692 | { |
2693 | case Aadd: | |
2694 | accum += next; | |
2695 | break; | |
2696 | case Asub: | |
e64981da | 2697 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2698 | break; |
2699 | case Amult: | |
2700 | accum *= next; | |
2701 | break; | |
2702 | case Adiv: | |
2703 | if (!argnum) | |
2704 | accum = next; | |
2705 | else | |
87fbf902 | 2706 | { |
ad8d56b9 | 2707 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2708 | xsignal0 (Qarith_error); |
87fbf902 RS |
2709 | accum /= next; |
2710 | } | |
7921925c JB |
2711 | break; |
2712 | case Alogand: | |
2713 | case Alogior: | |
2714 | case Alogxor: | |
2715 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2716 | case Amax: | |
1a2f2d33 | 2717 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2718 | accum = next; |
2719 | break; | |
2720 | case Amin: | |
1a2f2d33 | 2721 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2722 | accum = next; |
2723 | break; | |
2724 | } | |
2725 | } | |
2726 | ||
2727 | return make_float (accum); | |
2728 | } | |
cc94f3b2 | 2729 | |
7921925c | 2730 | |
a7ca3326 | 2731 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, |
8c1a1077 PJ |
2732 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2733 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
f66c7cf8 | 2734 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2735 | { |
2736 | return arith_driver (Aadd, nargs, args); | |
2737 | } | |
2738 | ||
a7ca3326 | 2739 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, |
558ee900 | 2740 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2741 | With one arg, negates it. With more than one arg, |
f44fba9e | 2742 | subtracts all but the first from the first. |
8c1a1077 | 2743 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2744 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2745 | { |
2746 | return arith_driver (Asub, nargs, args); | |
2747 | } | |
2748 | ||
a7ca3326 | 2749 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, |
be24eadf | 2750 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 | 2751 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2752 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2753 | { |
2754 | return arith_driver (Amult, nargs, args); | |
2755 | } | |
2756 | ||
32e5c58c | 2757 | DEFUN ("/", Fquo, Squo, 1, MANY, 0, |
be24eadf | 2758 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2759 | The arguments must be numbers or markers. |
32e5c58c | 2760 | usage: (/ DIVIDEND &rest DIVISORS) */) |
f66c7cf8 | 2761 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2762 | { |
f66c7cf8 | 2763 | ptrdiff_t argnum; |
7ef98053 | 2764 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2765 | if (FLOATP (args[argnum])) |
2766 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2767 | return arith_driver (Adiv, nargs, args); |
2768 | } | |
2769 | ||
a7ca3326 | 2770 | DEFUN ("%", Frem, Srem, 2, 2, 0, |
be24eadf | 2771 | doc: /* Return remainder of X divided by Y. |
8c1a1077 | 2772 | Both must be integers or markers. */) |
5842a27b | 2773 | (register Lisp_Object x, Lisp_Object y) |
7921925c JB |
2774 | { |
2775 | Lisp_Object val; | |
2776 | ||
b7826503 PJ |
2777 | CHECK_NUMBER_COERCE_MARKER (x); |
2778 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2779 | |
d311d28c | 2780 | if (XINT (y) == 0) |
740ef0b5 | 2781 | xsignal0 (Qarith_error); |
87fbf902 | 2782 | |
d9c2a0f2 | 2783 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2784 | return val; |
2785 | } | |
2786 | ||
44fa9da5 | 2787 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2788 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2789 | The result falls between zero (inclusive) and Y (exclusive). |
2790 | Both X and Y must be numbers or markers. */) | |
5842a27b | 2791 | (register Lisp_Object x, Lisp_Object y) |
44fa9da5 PE |
2792 | { |
2793 | Lisp_Object val; | |
5260234d | 2794 | EMACS_INT i1, i2; |
44fa9da5 | 2795 | |
b7826503 PJ |
2796 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2797 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2798 | |
d9c2a0f2 | 2799 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2800 | return fmod_float (x, y); |
2801 | ||
d9c2a0f2 EN |
2802 | i1 = XINT (x); |
2803 | i2 = XINT (y); | |
44fa9da5 PE |
2804 | |
2805 | if (i2 == 0) | |
740ef0b5 | 2806 | xsignal0 (Qarith_error); |
7403b5c8 | 2807 | |
44fa9da5 PE |
2808 | i1 %= i2; |
2809 | ||
2810 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2811 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2812 | i1 += i2; |
2813 | ||
f187f1f7 | 2814 | XSETINT (val, i1); |
44fa9da5 PE |
2815 | return val; |
2816 | } | |
2817 | ||
a7ca3326 | 2818 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2819 | doc: /* Return largest of all the arguments (which must be numbers or markers). |
f44fba9e | 2820 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2821 | usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2822 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2823 | { |
2824 | return arith_driver (Amax, nargs, args); | |
2825 | } | |
2826 | ||
a7ca3326 | 2827 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, |
8c1a1077 | 2828 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2829 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2830 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2831 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2832 | { |
2833 | return arith_driver (Amin, nargs, args); | |
2834 | } | |
2835 | ||
2836 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2837 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2838 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2839 | usage: (logand &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2840 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2841 | { |
2842 | return arith_driver (Alogand, nargs, args); | |
2843 | } | |
2844 | ||
2845 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2846 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2847 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2848 | usage: (logior &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2849 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2850 | { |
2851 | return arith_driver (Alogior, nargs, args); | |
2852 | } | |
2853 | ||
2854 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2855 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2856 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2857 | usage: (logxor &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2858 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2859 | { |
2860 | return arith_driver (Alogxor, nargs, args); | |
2861 | } | |
2862 | ||
2863 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2864 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2865 | If COUNT is negative, shifting is actually to the right. | |
2866 | In this case, the sign bit is duplicated. */) | |
5842a27b | 2867 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2868 | { |
2869 | register Lisp_Object val; | |
2870 | ||
b7826503 PJ |
2871 | CHECK_NUMBER (value); |
2872 | CHECK_NUMBER (count); | |
7921925c | 2873 | |
81d70626 RS |
2874 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2875 | XSETINT (val, 0); | |
2876 | else if (XINT (count) > 0) | |
3d9652eb | 2877 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2878 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2879 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2880 | else |
3d9652eb | 2881 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2882 | return val; |
2883 | } | |
2884 | ||
2885 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2886 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2887 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2888 | In this case, zeros are shifted in on the left. */) |
5842a27b | 2889 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2890 | { |
2891 | register Lisp_Object val; | |
2892 | ||
b7826503 PJ |
2893 | CHECK_NUMBER (value); |
2894 | CHECK_NUMBER (count); | |
7921925c | 2895 | |
81d70626 RS |
2896 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2897 | XSETINT (val, 0); | |
2898 | else if (XINT (count) > 0) | |
c8a9ca5a | 2899 | XSETINT (val, XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2900 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2901 | XSETINT (val, 0); | |
7921925c | 2902 | else |
c8a9ca5a | 2903 | XSETINT (val, XUINT (value) >> -XINT (count)); |
7921925c JB |
2904 | return val; |
2905 | } | |
2906 | ||
a7ca3326 | 2907 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, |
8c1a1077 PJ |
2908 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2909 | Markers are converted to integers. */) | |
5842a27b | 2910 | (register Lisp_Object number) |
7921925c | 2911 | { |
b7826503 | 2912 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2913 | |
d9c2a0f2 | 2914 | if (FLOATP (number)) |
7539e11f | 2915 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2916 | |
d9c2a0f2 EN |
2917 | XSETINT (number, XINT (number) + 1); |
2918 | return number; | |
7921925c JB |
2919 | } |
2920 | ||
a7ca3326 | 2921 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, |
8c1a1077 PJ |
2922 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2923 | Markers are converted to integers. */) | |
5842a27b | 2924 | (register Lisp_Object number) |
7921925c | 2925 | { |
b7826503 | 2926 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2927 | |
d9c2a0f2 | 2928 | if (FLOATP (number)) |
7539e11f | 2929 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2930 | |
d9c2a0f2 EN |
2931 | XSETINT (number, XINT (number) - 1); |
2932 | return number; | |
7921925c JB |
2933 | } |
2934 | ||
2935 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 | 2936 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
5842a27b | 2937 | (register Lisp_Object number) |
7921925c | 2938 | { |
b7826503 | 2939 | CHECK_NUMBER (number); |
53924017 | 2940 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2941 | return number; |
7921925c | 2942 | } |
6b61353c | 2943 | |
a7ca3326 | 2944 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, |
6b61353c KH |
2945 | doc: /* Return the byteorder for the machine. |
2946 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2947 | lowercase l) for small endian machines. */) | |
5842a27b | 2948 | (void) |
6b61353c KH |
2949 | { |
2950 | unsigned i = 0x04030201; | |
2951 | int order = *(char *)&i == 1 ? 108 : 66; | |
2952 | ||
2953 | return make_number (order); | |
2954 | } | |
2955 | ||
2956 | ||
7921925c JB |
2957 | \f |
2958 | void | |
971de7fb | 2959 | syms_of_data (void) |
7921925c | 2960 | { |
6315e761 RS |
2961 | Lisp_Object error_tail, arith_tail; |
2962 | ||
620c53a6 SM |
2963 | DEFSYM (Qquote, "quote"); |
2964 | DEFSYM (Qlambda, "lambda"); | |
2965 | DEFSYM (Qsubr, "subr"); | |
2966 | DEFSYM (Qerror_conditions, "error-conditions"); | |
2967 | DEFSYM (Qerror_message, "error-message"); | |
2968 | DEFSYM (Qtop_level, "top-level"); | |
2969 | ||
2970 | DEFSYM (Qerror, "error"); | |
71873e2b | 2971 | DEFSYM (Quser_error, "user-error"); |
620c53a6 SM |
2972 | DEFSYM (Qquit, "quit"); |
2973 | DEFSYM (Qwrong_type_argument, "wrong-type-argument"); | |
2974 | DEFSYM (Qargs_out_of_range, "args-out-of-range"); | |
2975 | DEFSYM (Qvoid_function, "void-function"); | |
2976 | DEFSYM (Qcyclic_function_indirection, "cyclic-function-indirection"); | |
2977 | DEFSYM (Qcyclic_variable_indirection, "cyclic-variable-indirection"); | |
2978 | DEFSYM (Qvoid_variable, "void-variable"); | |
2979 | DEFSYM (Qsetting_constant, "setting-constant"); | |
2980 | DEFSYM (Qinvalid_read_syntax, "invalid-read-syntax"); | |
2981 | ||
2982 | DEFSYM (Qinvalid_function, "invalid-function"); | |
2983 | DEFSYM (Qwrong_number_of_arguments, "wrong-number-of-arguments"); | |
2984 | DEFSYM (Qno_catch, "no-catch"); | |
2985 | DEFSYM (Qend_of_file, "end-of-file"); | |
2986 | DEFSYM (Qarith_error, "arith-error"); | |
2987 | DEFSYM (Qbeginning_of_buffer, "beginning-of-buffer"); | |
2988 | DEFSYM (Qend_of_buffer, "end-of-buffer"); | |
2989 | DEFSYM (Qbuffer_read_only, "buffer-read-only"); | |
2990 | DEFSYM (Qtext_read_only, "text-read-only"); | |
2991 | DEFSYM (Qmark_inactive, "mark-inactive"); | |
2992 | ||
2993 | DEFSYM (Qlistp, "listp"); | |
2994 | DEFSYM (Qconsp, "consp"); | |
2995 | DEFSYM (Qsymbolp, "symbolp"); | |
2996 | DEFSYM (Qkeywordp, "keywordp"); | |
2997 | DEFSYM (Qintegerp, "integerp"); | |
2998 | DEFSYM (Qnatnump, "natnump"); | |
2999 | DEFSYM (Qwholenump, "wholenump"); | |
3000 | DEFSYM (Qstringp, "stringp"); | |
3001 | DEFSYM (Qarrayp, "arrayp"); | |
3002 | DEFSYM (Qsequencep, "sequencep"); | |
3003 | DEFSYM (Qbufferp, "bufferp"); | |
3004 | DEFSYM (Qvectorp, "vectorp"); | |
3005 | DEFSYM (Qchar_or_string_p, "char-or-string-p"); | |
3006 | DEFSYM (Qmarkerp, "markerp"); | |
3007 | DEFSYM (Qbuffer_or_string_p, "buffer-or-string-p"); | |
3008 | DEFSYM (Qinteger_or_marker_p, "integer-or-marker-p"); | |
3009 | DEFSYM (Qboundp, "boundp"); | |
3010 | DEFSYM (Qfboundp, "fboundp"); | |
3011 | ||
3012 | DEFSYM (Qfloatp, "floatp"); | |
3013 | DEFSYM (Qnumberp, "numberp"); | |
3014 | DEFSYM (Qnumber_or_marker_p, "number-or-marker-p"); | |
3015 | ||
3016 | DEFSYM (Qchar_table_p, "char-table-p"); | |
3017 | DEFSYM (Qvector_or_char_table_p, "vector-or-char-table-p"); | |
3018 | ||
3019 | DEFSYM (Qsubrp, "subrp"); | |
3020 | DEFSYM (Qunevalled, "unevalled"); | |
3021 | DEFSYM (Qmany, "many"); | |
3022 | ||
3023 | DEFSYM (Qcdr, "cdr"); | |
3024 | ||
3025 | /* Handle automatic advice activation. */ | |
3026 | DEFSYM (Qad_advice_info, "ad-advice-info"); | |
3027 | DEFSYM (Qad_activate_internal, "ad-activate-internal"); | |
f845f2c9 | 3028 | |
d67b4f80 | 3029 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 3030 | |
620c53a6 SM |
3031 | /* ERROR is used as a signaler for random errors for which nothing else is |
3032 | right. */ | |
7921925c JB |
3033 | |
3034 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 3035 | error_tail); |
7921925c | 3036 | Fput (Qerror, Qerror_message, |
2a0213a6 | 3037 | build_pure_c_string ("error")); |
7921925c | 3038 | |
71873e2b SM |
3039 | #define PUT_ERROR(sym, tail, msg) \ |
3040 | Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \ | |
2a0213a6 | 3041 | Fput (sym, Qerror_message, build_pure_c_string (msg)) |
71873e2b SM |
3042 | |
3043 | PUT_ERROR (Qquit, Qnil, "Quit"); | |
3044 | ||
3045 | PUT_ERROR (Quser_error, error_tail, ""); | |
3046 | PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument"); | |
3047 | PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range"); | |
3048 | PUT_ERROR (Qvoid_function, error_tail, | |
3049 | "Symbol's function definition is void"); | |
3050 | PUT_ERROR (Qcyclic_function_indirection, error_tail, | |
3051 | "Symbol's chain of function indirections contains a loop"); | |
3052 | PUT_ERROR (Qcyclic_variable_indirection, error_tail, | |
3053 | "Symbol's chain of variable indirections contains a loop"); | |
620c53a6 | 3054 | DEFSYM (Qcircular_list, "circular-list"); |
71873e2b SM |
3055 | PUT_ERROR (Qcircular_list, error_tail, "List contains a loop"); |
3056 | PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void"); | |
3057 | PUT_ERROR (Qsetting_constant, error_tail, | |
3058 | "Attempt to set a constant symbol"); | |
3059 | PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax"); | |
3060 | PUT_ERROR (Qinvalid_function, error_tail, "Invalid function"); | |
3061 | PUT_ERROR (Qwrong_number_of_arguments, error_tail, | |
3062 | "Wrong number of arguments"); | |
3063 | PUT_ERROR (Qno_catch, error_tail, "No catch for tag"); | |
3064 | PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing"); | |
7921925c | 3065 | |
d67b4f80 | 3066 | arith_tail = pure_cons (Qarith_error, error_tail); |
71873e2b | 3067 | Fput (Qarith_error, Qerror_conditions, arith_tail); |
2a0213a6 | 3068 | Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error")); |
71873e2b SM |
3069 | |
3070 | PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer"); | |
3071 | PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer"); | |
3072 | PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only"); | |
3073 | PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail), | |
3074 | "Text is read-only"); | |
8f9f49d7 | 3075 | |
620c53a6 SM |
3076 | DEFSYM (Qrange_error, "range-error"); |
3077 | DEFSYM (Qdomain_error, "domain-error"); | |
3078 | DEFSYM (Qsingularity_error, "singularity-error"); | |
3079 | DEFSYM (Qoverflow_error, "overflow-error"); | |
3080 | DEFSYM (Qunderflow_error, "underflow-error"); | |
6315e761 | 3081 | |
71873e2b SM |
3082 | PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error"); |
3083 | ||
3084 | PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error"); | |
3085 | ||
3086 | PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail), | |
3087 | "Arithmetic singularity error"); | |
3088 | ||
3089 | PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail), | |
3090 | "Arithmetic overflow error"); | |
3091 | PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail), | |
3092 | "Arithmetic underflow error"); | |
6315e761 | 3093 | |
7921925c JB |
3094 | staticpro (&Qnil); |
3095 | staticpro (&Qt); | |
7921925c | 3096 | staticpro (&Qunbound); |
7921925c | 3097 | |
39bcc759 | 3098 | /* Types that type-of returns. */ |
620c53a6 SM |
3099 | DEFSYM (Qinteger, "integer"); |
3100 | DEFSYM (Qsymbol, "symbol"); | |
3101 | DEFSYM (Qstring, "string"); | |
3102 | DEFSYM (Qcons, "cons"); | |
3103 | DEFSYM (Qmarker, "marker"); | |
3104 | DEFSYM (Qoverlay, "overlay"); | |
3105 | DEFSYM (Qfloat, "float"); | |
3106 | DEFSYM (Qwindow_configuration, "window-configuration"); | |
3107 | DEFSYM (Qprocess, "process"); | |
3108 | DEFSYM (Qwindow, "window"); | |
620c53a6 SM |
3109 | DEFSYM (Qcompiled_function, "compiled-function"); |
3110 | DEFSYM (Qbuffer, "buffer"); | |
3111 | DEFSYM (Qframe, "frame"); | |
3112 | DEFSYM (Qvector, "vector"); | |
3113 | DEFSYM (Qchar_table, "char-table"); | |
3114 | DEFSYM (Qbool_vector, "bool-vector"); | |
3115 | DEFSYM (Qhash_table, "hash-table"); | |
3ab6e069 | 3116 | DEFSYM (Qmisc, "misc"); |
39bcc759 | 3117 | |
61b108cc SM |
3118 | DEFSYM (Qdefun, "defun"); |
3119 | ||
4e6f2626 CY |
3120 | DEFSYM (Qfont_spec, "font-spec"); |
3121 | DEFSYM (Qfont_entity, "font-entity"); | |
3122 | DEFSYM (Qfont_object, "font-object"); | |
3123 | ||
3860280a | 3124 | DEFSYM (Qinteractive_form, "interactive-form"); |
32e5c58c | 3125 | DEFSYM (Qdefalias_fset_function, "defalias-fset-function"); |
3860280a | 3126 | |
f35d5bad | 3127 | defsubr (&Sindirect_variable); |
6b61353c | 3128 | defsubr (&Sinteractive_form); |
7921925c JB |
3129 | defsubr (&Seq); |
3130 | defsubr (&Snull); | |
39bcc759 | 3131 | defsubr (&Stype_of); |
7921925c JB |
3132 | defsubr (&Slistp); |
3133 | defsubr (&Snlistp); | |
3134 | defsubr (&Sconsp); | |
3135 | defsubr (&Satom); | |
3136 | defsubr (&Sintegerp); | |
464f8898 | 3137 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3138 | defsubr (&Snumberp); |
3139 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3140 | defsubr (&Sfloatp); |
7921925c JB |
3141 | defsubr (&Snatnump); |
3142 | defsubr (&Ssymbolp); | |
cda9b832 | 3143 | defsubr (&Skeywordp); |
7921925c | 3144 | defsubr (&Sstringp); |
0f56470d | 3145 | defsubr (&Smultibyte_string_p); |
7921925c | 3146 | defsubr (&Svectorp); |
4d276982 | 3147 | defsubr (&Schar_table_p); |
7f0edce7 | 3148 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3149 | defsubr (&Sbool_vector_p); |
7921925c JB |
3150 | defsubr (&Sarrayp); |
3151 | defsubr (&Ssequencep); | |
3152 | defsubr (&Sbufferp); | |
3153 | defsubr (&Smarkerp); | |
7921925c | 3154 | defsubr (&Ssubrp); |
dbc4e1c1 | 3155 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3156 | defsubr (&Schar_or_string_p); |
3157 | defsubr (&Scar); | |
3158 | defsubr (&Scdr); | |
3159 | defsubr (&Scar_safe); | |
3160 | defsubr (&Scdr_safe); | |
3161 | defsubr (&Ssetcar); | |
3162 | defsubr (&Ssetcdr); | |
3163 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3164 | defsubr (&Sindirect_function); |
7921925c JB |
3165 | defsubr (&Ssymbol_plist); |
3166 | defsubr (&Ssymbol_name); | |
3167 | defsubr (&Smakunbound); | |
3168 | defsubr (&Sfmakunbound); | |
3169 | defsubr (&Sboundp); | |
3170 | defsubr (&Sfboundp); | |
3171 | defsubr (&Sfset); | |
80df38a2 | 3172 | defsubr (&Sdefalias); |
7921925c JB |
3173 | defsubr (&Ssetplist); |
3174 | defsubr (&Ssymbol_value); | |
3175 | defsubr (&Sset); | |
3176 | defsubr (&Sdefault_boundp); | |
3177 | defsubr (&Sdefault_value); | |
3178 | defsubr (&Sset_default); | |
3179 | defsubr (&Ssetq_default); | |
3180 | defsubr (&Smake_variable_buffer_local); | |
3181 | defsubr (&Smake_local_variable); | |
3182 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3183 | defsubr (&Smake_variable_frame_local); |
62476adc | 3184 | defsubr (&Slocal_variable_p); |
f4f04cee | 3185 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3186 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3187 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3188 | defsubr (&Sterminal_local_value); |
3189 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3190 | #endif |
7921925c JB |
3191 | defsubr (&Saref); |
3192 | defsubr (&Saset); | |
f2980264 | 3193 | defsubr (&Snumber_to_string); |
25e40a4b | 3194 | defsubr (&Sstring_to_number); |
7921925c JB |
3195 | defsubr (&Seqlsign); |
3196 | defsubr (&Slss); | |
3197 | defsubr (&Sgtr); | |
3198 | defsubr (&Sleq); | |
3199 | defsubr (&Sgeq); | |
3200 | defsubr (&Sneq); | |
3201 | defsubr (&Szerop); | |
3202 | defsubr (&Splus); | |
3203 | defsubr (&Sminus); | |
3204 | defsubr (&Stimes); | |
3205 | defsubr (&Squo); | |
3206 | defsubr (&Srem); | |
44fa9da5 | 3207 | defsubr (&Smod); |
7921925c JB |
3208 | defsubr (&Smax); |
3209 | defsubr (&Smin); | |
3210 | defsubr (&Slogand); | |
3211 | defsubr (&Slogior); | |
3212 | defsubr (&Slogxor); | |
3213 | defsubr (&Slsh); | |
3214 | defsubr (&Sash); | |
3215 | defsubr (&Sadd1); | |
3216 | defsubr (&Ssub1); | |
3217 | defsubr (&Slognot); | |
6b61353c | 3218 | defsubr (&Sbyteorder); |
6f0e897f | 3219 | defsubr (&Ssubr_arity); |
0fddae66 | 3220 | defsubr (&Ssubr_name); |
8e86942b | 3221 | |
c644523b | 3222 | set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function); |
e6190b11 | 3223 | |
29208e82 | 3224 | DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum, |
9d113d9d AS |
3225 | doc: /* The largest value that is representable in a Lisp integer. */); |
3226 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3227 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3228 | |
29208e82 | 3229 | DEFVAR_LISP ("most-negative-fixnum", Vmost_negative_fixnum, |
9d113d9d AS |
3230 | doc: /* The smallest value that is representable in a Lisp integer. */); |
3231 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3232 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c | 3233 | } |