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7921925c | 1 | /* Primitive operations on Lisp data types for GNU Emacs Lisp interpreter. |
acaf905b | 2 | Copyright (C) 1985-1986, 1988, 1993-1995, 1997-2012 |
8cabe764 | 3 | Free Software 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; |
6f0e897f | 79 | static Lisp_Object Qsubrp, Qmany, Qunevalled; |
4e6f2626 | 80 | Lisp_Object Qfont_spec, Qfont_entity, Qfont_object; |
61b108cc | 81 | static Lisp_Object Qdefun; |
39bcc759 | 82 | |
12cc4337 PE |
83 | Lisp_Object Qinteractive_form; |
84 | static Lisp_Object Qdefalias_fset_function; | |
3860280a | 85 | |
ce5b453a | 86 | static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *); |
d02eeab3 | 87 | |
13d95cc0 | 88 | |
7921925c | 89 | Lisp_Object |
971de7fb | 90 | wrong_type_argument (register Lisp_Object predicate, register Lisp_Object value) |
7921925c | 91 | { |
2de9f71c SM |
92 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
93 | where we can get a backtrace showing where it came from. We used | |
94 | to try and do that by checking the tagbits, but nowadays all | |
95 | tagbits are potentially valid. */ | |
96 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
1088b922 | 97 | * emacs_abort (); */ |
e1351ff7 | 98 | |
740ef0b5 | 99 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
100 | } |
101 | ||
dfcf069d | 102 | void |
971de7fb | 103 | pure_write_error (void) |
7921925c JB |
104 | { |
105 | error ("Attempt to modify read-only object"); | |
106 | } | |
107 | ||
108 | void | |
971de7fb | 109 | args_out_of_range (Lisp_Object a1, Lisp_Object a2) |
7921925c | 110 | { |
740ef0b5 | 111 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
112 | } |
113 | ||
114 | void | |
971de7fb | 115 | args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) |
7921925c | 116 | { |
740ef0b5 | 117 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
118 | } |
119 | ||
7921925c | 120 | \f |
61b108cc | 121 | /* Data type predicates. */ |
7921925c JB |
122 | |
123 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 | 124 | doc: /* Return t if the two args are the same Lisp object. */) |
5842a27b | 125 | (Lisp_Object obj1, Lisp_Object obj2) |
7921925c JB |
126 | { |
127 | if (EQ (obj1, obj2)) | |
128 | return Qt; | |
129 | return Qnil; | |
130 | } | |
131 | ||
8c1a1077 PJ |
132 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
133 | doc: /* Return t if OBJECT is nil. */) | |
5842a27b | 134 | (Lisp_Object object) |
7921925c | 135 | { |
39bcc759 | 136 | if (NILP (object)) |
7921925c JB |
137 | return Qt; |
138 | return Qnil; | |
139 | } | |
140 | ||
39bcc759 | 141 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
142 | doc: /* Return a symbol representing the type of OBJECT. |
143 | The symbol returned names the object's basic type; | |
144 | for example, (type-of 1) returns `integer'. */) | |
5842a27b | 145 | (Lisp_Object object) |
39bcc759 | 146 | { |
8e50cc2d | 147 | switch (XTYPE (object)) |
39bcc759 | 148 | { |
2de9f71c | 149 | case_Lisp_Int: |
39bcc759 RS |
150 | return Qinteger; |
151 | ||
152 | case Lisp_Symbol: | |
153 | return Qsymbol; | |
154 | ||
155 | case Lisp_String: | |
156 | return Qstring; | |
157 | ||
158 | case Lisp_Cons: | |
159 | return Qcons; | |
160 | ||
161 | case Lisp_Misc: | |
324a6eef | 162 | switch (XMISCTYPE (object)) |
39bcc759 RS |
163 | { |
164 | case Lisp_Misc_Marker: | |
165 | return Qmarker; | |
166 | case Lisp_Misc_Overlay: | |
167 | return Qoverlay; | |
168 | case Lisp_Misc_Float: | |
169 | return Qfloat; | |
170 | } | |
1088b922 | 171 | emacs_abort (); |
39bcc759 RS |
172 | |
173 | case Lisp_Vectorlike: | |
8e50cc2d | 174 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 175 | return Qwindow_configuration; |
8e50cc2d | 176 | if (PROCESSP (object)) |
39bcc759 | 177 | return Qprocess; |
8e50cc2d | 178 | if (WINDOWP (object)) |
39bcc759 | 179 | return Qwindow; |
8e50cc2d | 180 | if (SUBRP (object)) |
39bcc759 | 181 | return Qsubr; |
876c194c SM |
182 | if (COMPILEDP (object)) |
183 | return Qcompiled_function; | |
8e50cc2d | 184 | if (BUFFERP (object)) |
39bcc759 | 185 | return Qbuffer; |
8e50cc2d | 186 | if (CHAR_TABLE_P (object)) |
fc67d5be | 187 | return Qchar_table; |
8e50cc2d | 188 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 189 | return Qbool_vector; |
8e50cc2d | 190 | if (FRAMEP (object)) |
39bcc759 | 191 | return Qframe; |
8e50cc2d | 192 | if (HASH_TABLE_P (object)) |
81dc5de5 | 193 | return Qhash_table; |
4e6f2626 CY |
194 | if (FONT_SPEC_P (object)) |
195 | return Qfont_spec; | |
196 | if (FONT_ENTITY_P (object)) | |
197 | return Qfont_entity; | |
198 | if (FONT_OBJECT_P (object)) | |
199 | return Qfont_object; | |
39bcc759 RS |
200 | return Qvector; |
201 | ||
39bcc759 RS |
202 | case Lisp_Float: |
203 | return Qfloat; | |
39bcc759 RS |
204 | |
205 | default: | |
1088b922 | 206 | emacs_abort (); |
39bcc759 RS |
207 | } |
208 | } | |
209 | ||
8c1a1077 PJ |
210 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
211 | doc: /* Return t if OBJECT is a cons cell. */) | |
5842a27b | 212 | (Lisp_Object object) |
7921925c | 213 | { |
39bcc759 | 214 | if (CONSP (object)) |
7921925c JB |
215 | return Qt; |
216 | return Qnil; | |
217 | } | |
218 | ||
25638b07 | 219 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 | 220 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
5842a27b | 221 | (Lisp_Object object) |
7921925c | 222 | { |
39bcc759 | 223 | if (CONSP (object)) |
7921925c JB |
224 | return Qnil; |
225 | return Qt; | |
226 | } | |
227 | ||
25638b07 | 228 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
229 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
230 | Otherwise, return nil. */) | |
5842a27b | 231 | (Lisp_Object object) |
7921925c | 232 | { |
39bcc759 | 233 | if (CONSP (object) || NILP (object)) |
7921925c JB |
234 | return Qt; |
235 | return Qnil; | |
236 | } | |
237 | ||
25638b07 | 238 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 | 239 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
5842a27b | 240 | (Lisp_Object object) |
7921925c | 241 | { |
39bcc759 | 242 | if (CONSP (object) || NILP (object)) |
7921925c JB |
243 | return Qnil; |
244 | return Qt; | |
245 | } | |
246 | \f | |
25638b07 | 247 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 | 248 | doc: /* Return t if OBJECT is a symbol. */) |
5842a27b | 249 | (Lisp_Object object) |
7921925c | 250 | { |
39bcc759 | 251 | if (SYMBOLP (object)) |
7921925c JB |
252 | return Qt; |
253 | return Qnil; | |
254 | } | |
255 | ||
cda9b832 DL |
256 | /* Define this in C to avoid unnecessarily consing up the symbol |
257 | name. */ | |
258 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
259 | doc: /* Return t if OBJECT is a keyword. |
260 | This means that it is a symbol with a print name beginning with `:' | |
261 | interned in the initial obarray. */) | |
5842a27b | 262 | (Lisp_Object object) |
cda9b832 DL |
263 | { |
264 | if (SYMBOLP (object) | |
d5db4077 | 265 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 266 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
267 | return Qt; |
268 | return Qnil; | |
269 | } | |
270 | ||
25638b07 | 271 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 | 272 | doc: /* Return t if OBJECT is a vector. */) |
5842a27b | 273 | (Lisp_Object object) |
7921925c | 274 | { |
39bcc759 | 275 | if (VECTORP (object)) |
7921925c JB |
276 | return Qt; |
277 | return Qnil; | |
278 | } | |
279 | ||
25638b07 | 280 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 | 281 | doc: /* Return t if OBJECT is a string. */) |
5842a27b | 282 | (Lisp_Object object) |
7921925c | 283 | { |
39bcc759 | 284 | if (STRINGP (object)) |
7921925c JB |
285 | return Qt; |
286 | return Qnil; | |
287 | } | |
288 | ||
25638b07 | 289 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 PJ |
290 | 1, 1, 0, |
291 | doc: /* Return t if OBJECT is a multibyte string. */) | |
5842a27b | 292 | (Lisp_Object object) |
25638b07 RS |
293 | { |
294 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
295 | return Qt; | |
296 | return Qnil; | |
297 | } | |
298 | ||
299 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 | 300 | doc: /* Return t if OBJECT is a char-table. */) |
5842a27b | 301 | (Lisp_Object object) |
4d276982 RS |
302 | { |
303 | if (CHAR_TABLE_P (object)) | |
304 | return Qt; | |
305 | return Qnil; | |
306 | } | |
307 | ||
7f0edce7 RS |
308 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
309 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 | 310 | doc: /* Return t if OBJECT is a char-table or vector. */) |
5842a27b | 311 | (Lisp_Object object) |
7f0edce7 RS |
312 | { |
313 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
314 | return Qt; | |
315 | return Qnil; | |
316 | } | |
317 | ||
8c1a1077 PJ |
318 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
319 | doc: /* Return t if OBJECT is a bool-vector. */) | |
5842a27b | 320 | (Lisp_Object object) |
4d276982 RS |
321 | { |
322 | if (BOOL_VECTOR_P (object)) | |
323 | return Qt; | |
324 | return Qnil; | |
325 | } | |
326 | ||
8c1a1077 PJ |
327 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
328 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
5842a27b | 329 | (Lisp_Object object) |
7921925c | 330 | { |
0c64a8cd | 331 | if (ARRAYP (object)) |
7921925c JB |
332 | return Qt; |
333 | return Qnil; | |
334 | } | |
335 | ||
336 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 | 337 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
5842a27b | 338 | (register Lisp_Object object) |
7921925c | 339 | { |
0c64a8cd | 340 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
341 | return Qt; |
342 | return Qnil; | |
343 | } | |
344 | ||
8c1a1077 PJ |
345 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
346 | doc: /* Return t if OBJECT is an editor buffer. */) | |
5842a27b | 347 | (Lisp_Object object) |
7921925c | 348 | { |
39bcc759 | 349 | if (BUFFERP (object)) |
7921925c JB |
350 | return Qt; |
351 | return Qnil; | |
352 | } | |
353 | ||
8c1a1077 PJ |
354 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
355 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
5842a27b | 356 | (Lisp_Object object) |
7921925c | 357 | { |
39bcc759 | 358 | if (MARKERP (object)) |
7921925c JB |
359 | return Qt; |
360 | return Qnil; | |
361 | } | |
362 | ||
8c1a1077 PJ |
363 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
364 | doc: /* Return t if OBJECT is a built-in function. */) | |
5842a27b | 365 | (Lisp_Object object) |
7921925c | 366 | { |
39bcc759 | 367 | if (SUBRP (object)) |
7921925c JB |
368 | return Qt; |
369 | return Qnil; | |
370 | } | |
371 | ||
dbc4e1c1 | 372 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
373 | 1, 1, 0, |
374 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
5842a27b | 375 | (Lisp_Object object) |
7921925c | 376 | { |
39bcc759 | 377 | if (COMPILEDP (object)) |
7921925c JB |
378 | return Qt; |
379 | return Qnil; | |
380 | } | |
381 | ||
0321d75c | 382 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 383 | doc: /* Return t if OBJECT is a character or a string. */) |
5842a27b | 384 | (register Lisp_Object object) |
7921925c | 385 | { |
cfd70f33 | 386 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
387 | return Qt; |
388 | return Qnil; | |
389 | } | |
390 | \f | |
8c1a1077 PJ |
391 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
392 | doc: /* Return t if OBJECT is an integer. */) | |
5842a27b | 393 | (Lisp_Object object) |
7921925c | 394 | { |
39bcc759 | 395 | if (INTEGERP (object)) |
7921925c JB |
396 | return Qt; |
397 | return Qnil; | |
398 | } | |
399 | ||
464f8898 | 400 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 | 401 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
5842a27b | 402 | (register Lisp_Object object) |
7921925c | 403 | { |
39bcc759 | 404 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
405 | return Qt; |
406 | return Qnil; | |
407 | } | |
408 | ||
0321d75c | 409 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 | 410 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
5842a27b | 411 | (Lisp_Object object) |
7921925c | 412 | { |
39bcc759 | 413 | if (NATNUMP (object)) |
7921925c JB |
414 | return Qt; |
415 | return Qnil; | |
416 | } | |
417 | ||
418 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 | 419 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
5842a27b | 420 | (Lisp_Object object) |
7921925c | 421 | { |
39bcc759 | 422 | if (NUMBERP (object)) |
7921925c | 423 | return Qt; |
dbc4e1c1 JB |
424 | else |
425 | return Qnil; | |
7921925c JB |
426 | } |
427 | ||
428 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
429 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 | 430 | doc: /* Return t if OBJECT is a number or a marker. */) |
5842a27b | 431 | (Lisp_Object object) |
7921925c | 432 | { |
39bcc759 | 433 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
434 | return Qt; |
435 | return Qnil; | |
436 | } | |
464f8898 | 437 | |
464f8898 | 438 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 | 439 | doc: /* Return t if OBJECT is a floating point number. */) |
5842a27b | 440 | (Lisp_Object object) |
464f8898 | 441 | { |
39bcc759 | 442 | if (FLOATP (object)) |
464f8898 RS |
443 | return Qt; |
444 | return Qnil; | |
445 | } | |
cc94f3b2 | 446 | |
7921925c | 447 | \f |
32e5c58c | 448 | /* Extract and set components of lists. */ |
7921925c | 449 | |
a7ca3326 | 450 | DEFUN ("car", Fcar, Scar, 1, 1, 0, |
8c1a1077 | 451 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
452 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
453 | ||
da46c5be LT |
454 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
455 | Lisp concepts such as car, cdr, cons cell and list. */) | |
5842a27b | 456 | (register Lisp_Object list) |
7921925c | 457 | { |
0c64a8cd | 458 | return CAR (list); |
7921925c JB |
459 | } |
460 | ||
a7ca3326 | 461 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, |
8c1a1077 | 462 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 463 | (Lisp_Object object) |
7921925c | 464 | { |
0c64a8cd | 465 | return CAR_SAFE (object); |
7921925c JB |
466 | } |
467 | ||
a7ca3326 | 468 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, |
8c1a1077 | 469 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
470 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
471 | ||
da46c5be LT |
472 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
473 | Lisp concepts such as cdr, car, cons cell and list. */) | |
5842a27b | 474 | (register Lisp_Object list) |
7921925c | 475 | { |
0c64a8cd | 476 | return CDR (list); |
7921925c JB |
477 | } |
478 | ||
a7ca3326 | 479 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, |
8c1a1077 | 480 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 481 | (Lisp_Object object) |
7921925c | 482 | { |
0c64a8cd | 483 | return CDR_SAFE (object); |
7921925c JB |
484 | } |
485 | ||
a7ca3326 | 486 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, |
8c1a1077 | 487 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
5842a27b | 488 | (register Lisp_Object cell, Lisp_Object newcar) |
7921925c | 489 | { |
0c64a8cd | 490 | CHECK_CONS (cell); |
7921925c | 491 | CHECK_IMPURE (cell); |
f3fbd155 | 492 | XSETCAR (cell, newcar); |
7921925c JB |
493 | return newcar; |
494 | } | |
495 | ||
a7ca3326 | 496 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, |
8c1a1077 | 497 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
5842a27b | 498 | (register Lisp_Object cell, Lisp_Object newcdr) |
7921925c | 499 | { |
0c64a8cd | 500 | CHECK_CONS (cell); |
7921925c | 501 | CHECK_IMPURE (cell); |
f3fbd155 | 502 | XSETCDR (cell, newcdr); |
7921925c JB |
503 | return newcdr; |
504 | } | |
505 | \f | |
1ec4b7b2 | 506 | /* Extract and set components of symbols. */ |
7921925c | 507 | |
a7ca3326 | 508 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
a9de9f0c GM |
509 | doc: /* Return t if SYMBOL's value is not void. |
510 | Note that if `lexical-binding' is in effect, this refers to the | |
511 | global value outside of any lexical scope. */) | |
5842a27b | 512 | (register Lisp_Object symbol) |
7921925c JB |
513 | { |
514 | Lisp_Object valcontents; | |
ce5b453a | 515 | struct Lisp_Symbol *sym; |
b7826503 | 516 | CHECK_SYMBOL (symbol); |
ce5b453a | 517 | sym = XSYMBOL (symbol); |
7921925c | 518 | |
ce5b453a SM |
519 | start: |
520 | switch (sym->redirect) | |
521 | { | |
522 | case SYMBOL_PLAINVAL: valcontents = SYMBOL_VAL (sym); break; | |
523 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
524 | case SYMBOL_LOCALIZED: | |
525 | { | |
526 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
527 | if (blv->fwd) | |
528 | /* In set_internal, we un-forward vars when their value is | |
529 | set to Qunbound. */ | |
530 | return Qt; | |
531 | else | |
532 | { | |
533 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 534 | valcontents = blv_value (blv); |
ce5b453a SM |
535 | } |
536 | break; | |
537 | } | |
538 | case SYMBOL_FORWARDED: | |
539 | /* In set_internal, we un-forward vars when their value is | |
540 | set to Qunbound. */ | |
541 | return Qt; | |
1088b922 | 542 | default: emacs_abort (); |
ce5b453a | 543 | } |
7921925c | 544 | |
1bfcade3 | 545 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
546 | } |
547 | ||
eadf1faa | 548 | /* FIXME: Make it an alias for function-symbol! */ |
a7ca3326 | 549 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
8c1a1077 | 550 | doc: /* Return t if SYMBOL's function definition is not void. */) |
5842a27b | 551 | (register Lisp_Object symbol) |
7921925c | 552 | { |
b7826503 | 553 | CHECK_SYMBOL (symbol); |
eadf1faa | 554 | return NILP (XSYMBOL (symbol)->function) ? Qnil : Qt; |
7921925c JB |
555 | } |
556 | ||
8c1a1077 | 557 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
558 | doc: /* Make SYMBOL's value be void. |
559 | Return SYMBOL. */) | |
5842a27b | 560 | (register Lisp_Object symbol) |
7921925c | 561 | { |
b7826503 | 562 | CHECK_SYMBOL (symbol); |
64ec26d6 | 563 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 564 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
565 | Fset (symbol, Qunbound); |
566 | return symbol; | |
7921925c JB |
567 | } |
568 | ||
8c1a1077 | 569 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
eadf1faa | 570 | doc: /* Make SYMBOL's function definition be nil. |
bfb96cb7 | 571 | Return SYMBOL. */) |
5842a27b | 572 | (register Lisp_Object symbol) |
7921925c | 573 | { |
b7826503 | 574 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 575 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 576 | xsignal1 (Qsetting_constant, symbol); |
eadf1faa | 577 | set_symbol_function (symbol, Qnil); |
d9c2a0f2 | 578 | return symbol; |
7921925c JB |
579 | } |
580 | ||
a7ca3326 | 581 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, |
8c1a1077 | 582 | doc: /* Return SYMBOL's function definition. Error if that is void. */) |
5842a27b | 583 | (register Lisp_Object symbol) |
7921925c | 584 | { |
b7826503 | 585 | CHECK_SYMBOL (symbol); |
39a035e8 | 586 | return XSYMBOL (symbol)->function; |
7921925c JB |
587 | } |
588 | ||
8c1a1077 PJ |
589 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
590 | doc: /* Return SYMBOL's property list. */) | |
5842a27b | 591 | (register Lisp_Object symbol) |
7921925c | 592 | { |
b7826503 | 593 | CHECK_SYMBOL (symbol); |
c644523b | 594 | return XSYMBOL (symbol)->plist; |
7921925c JB |
595 | } |
596 | ||
a7ca3326 | 597 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
8c1a1077 | 598 | doc: /* Return SYMBOL's name, a string. */) |
5842a27b | 599 | (register Lisp_Object symbol) |
7921925c JB |
600 | { |
601 | register Lisp_Object name; | |
602 | ||
b7826503 | 603 | CHECK_SYMBOL (symbol); |
84023177 | 604 | name = SYMBOL_NAME (symbol); |
7921925c JB |
605 | return name; |
606 | } | |
607 | ||
a7ca3326 | 608 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, |
8c1a1077 | 609 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
5842a27b | 610 | (register Lisp_Object symbol, Lisp_Object definition) |
d9c2a0f2 | 611 | { |
764ea377 | 612 | register Lisp_Object function; |
b7826503 | 613 | CHECK_SYMBOL (symbol); |
764ea377 | 614 | |
c644523b | 615 | function = XSYMBOL (symbol)->function; |
764ea377 | 616 | |
eadf1faa | 617 | if (!NILP (Vautoload_queue) && !NILP (function)) |
764ea377 JB |
618 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); |
619 | ||
32e5c58c | 620 | if (AUTOLOADP (function)) |
764ea377 JB |
621 | Fput (symbol, Qautoload, XCDR (function)); |
622 | ||
c644523b | 623 | set_symbol_function (symbol, definition); |
32e5c58c | 624 | |
8c0b5540 | 625 | return definition; |
7921925c JB |
626 | } |
627 | ||
d2fde41d | 628 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, |
1053a871 | 629 | doc: /* Set SYMBOL's function definition to DEFINITION. |
96143227 RS |
630 | Associates the function with the current load file, if any. |
631 | The optional third argument DOCSTRING specifies the documentation string | |
632 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
1053a871 SM |
633 | determined by DEFINITION. |
634 | The return value is undefined. */) | |
5842a27b | 635 | (register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring) |
fc08c367 | 636 | { |
8a658a52 | 637 | CHECK_SYMBOL (symbol); |
61b108cc SM |
638 | if (!NILP (Vpurify_flag) |
639 | /* If `definition' is a keymap, immutable (and copying) is wrong. */ | |
640 | && !KEYMAPP (definition)) | |
641 | definition = Fpurecopy (definition); | |
32e5c58c SM |
642 | |
643 | { | |
644 | bool autoload = AUTOLOADP (definition); | |
645 | if (NILP (Vpurify_flag) || !autoload) | |
646 | { /* Only add autoload entries after dumping, because the ones before are | |
647 | not useful and else we get loads of them from the loaddefs.el. */ | |
648 | ||
649 | if (AUTOLOADP (XSYMBOL (symbol)->function)) | |
650 | /* Remember that the function was already an autoload. */ | |
651 | LOADHIST_ATTACH (Fcons (Qt, symbol)); | |
652 | LOADHIST_ATTACH (Fcons (autoload ? Qautoload : Qdefun, symbol)); | |
653 | } | |
654 | } | |
655 | ||
656 | { /* Handle automatic advice activation. */ | |
657 | Lisp_Object hook = Fget (symbol, Qdefalias_fset_function); | |
658 | if (!NILP (hook)) | |
659 | call2 (hook, symbol, definition); | |
660 | else | |
661 | Ffset (symbol, definition); | |
662 | } | |
663 | ||
d2fde41d SM |
664 | if (!NILP (docstring)) |
665 | Fput (symbol, Qfunction_documentation, docstring); | |
1053a871 SM |
666 | /* We used to return `definition', but now that `defun' and `defmacro' expand |
667 | to a call to `defalias', we return `symbol' for backward compatibility | |
668 | (bug#11686). */ | |
669 | return symbol; | |
fc08c367 RS |
670 | } |
671 | ||
7921925c | 672 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 673 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
5842a27b | 674 | (register Lisp_Object symbol, Lisp_Object newplist) |
7921925c | 675 | { |
b7826503 | 676 | CHECK_SYMBOL (symbol); |
c644523b | 677 | set_symbol_plist (symbol, newplist); |
7921925c JB |
678 | return newplist; |
679 | } | |
ffd56f97 | 680 | |
6f0e897f | 681 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
682 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
683 | SUBR must be a built-in function. | |
684 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
685 | of args. MAX is the maximum number or the symbol `many', for a | |
686 | function with `&rest' args, or `unevalled' for a special form. */) | |
5842a27b | 687 | (Lisp_Object subr) |
6f0e897f DL |
688 | { |
689 | short minargs, maxargs; | |
0c64a8cd | 690 | CHECK_SUBR (subr); |
6f0e897f DL |
691 | minargs = XSUBR (subr)->min_args; |
692 | maxargs = XSUBR (subr)->max_args; | |
32e5c58c SM |
693 | return Fcons (make_number (minargs), |
694 | maxargs == MANY ? Qmany | |
695 | : maxargs == UNEVALLED ? Qunevalled | |
696 | : make_number (maxargs)); | |
6f0e897f DL |
697 | } |
698 | ||
0fddae66 SM |
699 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
700 | doc: /* Return name of subroutine SUBR. | |
701 | SUBR must be a built-in function. */) | |
5842a27b | 702 | (Lisp_Object subr) |
0fddae66 SM |
703 | { |
704 | const char *name; | |
0c64a8cd | 705 | CHECK_SUBR (subr); |
0fddae66 | 706 | name = XSUBR (subr)->symbol_name; |
f3e92b69 | 707 | return build_string (name); |
0fddae66 SM |
708 | } |
709 | ||
a7ca3326 | 710 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
6b61353c | 711 | doc: /* Return the interactive form of CMD or nil if none. |
df133612 LT |
712 | If CMD is not a command, the return value is nil. |
713 | Value, if non-nil, is a list \(interactive SPEC). */) | |
5842a27b | 714 | (Lisp_Object cmd) |
cc515226 | 715 | { |
c4f46926 | 716 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 717 | |
eadf1faa | 718 | if (NILP (fun)) |
c4f46926 SM |
719 | return Qnil; |
720 | ||
721 | /* Use an `interactive-form' property if present, analogous to the | |
32e5c58c | 722 | function-documentation property. */ |
c4f46926 SM |
723 | fun = cmd; |
724 | while (SYMBOLP (fun)) | |
725 | { | |
3860280a | 726 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
727 | if (!NILP (tmp)) |
728 | return tmp; | |
729 | else | |
730 | fun = Fsymbol_function (fun); | |
731 | } | |
6b61353c KH |
732 | |
733 | if (SUBRP (fun)) | |
734 | { | |
eec47d6b | 735 | const char *spec = XSUBR (fun)->intspec; |
8a6d230a MC |
736 | if (spec) |
737 | return list2 (Qinteractive, | |
738 | (*spec != '(') ? build_string (spec) : | |
739 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
740 | } |
741 | else if (COMPILEDP (fun)) | |
742 | { | |
743 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
744 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
745 | } | |
32e5c58c SM |
746 | else if (AUTOLOADP (fun)) |
747 | return Finteractive_form (Fautoload_do_load (fun, cmd, Qnil)); | |
6b61353c KH |
748 | else if (CONSP (fun)) |
749 | { | |
750 | Lisp_Object funcar = XCAR (fun); | |
b38b1ec0 | 751 | if (EQ (funcar, Qclosure)) |
23aba0ea SM |
752 | return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun)))); |
753 | else if (EQ (funcar, Qlambda)) | |
6b61353c | 754 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); |
6b61353c | 755 | } |
cc515226 GM |
756 | return Qnil; |
757 | } | |
758 | ||
7921925c | 759 | \f |
f35d5bad GM |
760 | /*********************************************************************** |
761 | Getting and Setting Values of Symbols | |
762 | ***********************************************************************/ | |
763 | ||
764 | /* Return the symbol holding SYMBOL's value. Signal | |
765 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
766 | indirections contains a loop. */ | |
767 | ||
ad97b375 | 768 | struct Lisp_Symbol * |
971de7fb | 769 | indirect_variable (struct Lisp_Symbol *symbol) |
f35d5bad | 770 | { |
ad97b375 | 771 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
772 | |
773 | hare = tortoise = symbol; | |
774 | ||
ce5b453a | 775 | while (hare->redirect == SYMBOL_VARALIAS) |
f35d5bad | 776 | { |
ce5b453a SM |
777 | hare = SYMBOL_ALIAS (hare); |
778 | if (hare->redirect != SYMBOL_VARALIAS) | |
f35d5bad | 779 | break; |
bfb96cb7 | 780 | |
ce5b453a SM |
781 | hare = SYMBOL_ALIAS (hare); |
782 | tortoise = SYMBOL_ALIAS (tortoise); | |
f35d5bad | 783 | |
ad97b375 SM |
784 | if (hare == tortoise) |
785 | { | |
786 | Lisp_Object tem; | |
787 | XSETSYMBOL (tem, symbol); | |
788 | xsignal1 (Qcyclic_variable_indirection, tem); | |
789 | } | |
f35d5bad GM |
790 | } |
791 | ||
792 | return hare; | |
793 | } | |
794 | ||
795 | ||
796 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 | 797 | doc: /* Return the variable at the end of OBJECT's variable chain. |
4abcdac8 CY |
798 | If OBJECT is a symbol, follow its variable indirections (if any), and |
799 | return the variable at the end of the chain of aliases. See Info node | |
800 | `(elisp)Variable Aliases'. | |
801 | ||
802 | If OBJECT is not a symbol, just return it. If there is a loop in the | |
803 | chain of aliases, signal a `cyclic-variable-indirection' error. */) | |
5842a27b | 804 | (Lisp_Object object) |
f35d5bad GM |
805 | { |
806 | if (SYMBOLP (object)) | |
946f9a5b PE |
807 | { |
808 | struct Lisp_Symbol *sym = indirect_variable (XSYMBOL (object)); | |
809 | XSETSYMBOL (object, sym); | |
810 | } | |
f35d5bad GM |
811 | return object; |
812 | } | |
813 | ||
7921925c JB |
814 | |
815 | /* Given the raw contents of a symbol value cell, | |
816 | return the Lisp value of the symbol. | |
817 | This does not handle buffer-local variables; use | |
818 | swap_in_symval_forwarding for that. */ | |
819 | ||
820 | Lisp_Object | |
971de7fb | 821 | do_symval_forwarding (register union Lisp_Fwd *valcontents) |
7921925c JB |
822 | { |
823 | register Lisp_Object val; | |
ce5b453a SM |
824 | switch (XFWDTYPE (valcontents)) |
825 | { | |
826 | case Lisp_Fwd_Int: | |
827 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
828 | return val; | |
829 | ||
830 | case Lisp_Fwd_Bool: | |
831 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
832 | ||
833 | case Lisp_Fwd_Obj: | |
834 | return *XOBJFWD (valcontents)->objvar; | |
835 | ||
836 | case Lisp_Fwd_Buffer_Obj: | |
4ce60d2e | 837 | return per_buffer_value (current_buffer, |
ce5b453a SM |
838 | XBUFFER_OBJFWD (valcontents)->offset); |
839 | ||
840 | case Lisp_Fwd_Kboard_Obj: | |
841 | /* We used to simply use current_kboard here, but from Lisp | |
a98edce9 | 842 | code, its value is often unexpected. It seems nicer to |
ce5b453a SM |
843 | allow constructions like this to work as intuitively expected: |
844 | ||
845 | (with-selected-frame frame | |
846 | (define-key local-function-map "\eOP" [f1])) | |
847 | ||
848 | On the other hand, this affects the semantics of | |
849 | last-command and real-last-command, and people may rely on | |
850 | that. I took a quick look at the Lisp codebase, and I | |
851 | don't think anything will break. --lorentey */ | |
852 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset | |
853 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
1088b922 | 854 | default: emacs_abort (); |
ce5b453a | 855 | } |
7921925c JB |
856 | } |
857 | ||
d9c2a0f2 EN |
858 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
859 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 860 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
861 | step past the buffer-localness. |
862 | ||
863 | BUF non-zero means set the value in buffer BUF instead of the | |
864 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c | 865 | |
ce5b453a | 866 | static void |
971de7fb | 867 | store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newval, struct buffer *buf) |
7921925c | 868 | { |
ce5b453a | 869 | switch (XFWDTYPE (valcontents)) |
7921925c | 870 | { |
ce5b453a SM |
871 | case Lisp_Fwd_Int: |
872 | CHECK_NUMBER (newval); | |
873 | *XINTFWD (valcontents)->intvar = XINT (newval); | |
874 | break; | |
aa3830c4 | 875 | |
ce5b453a SM |
876 | case Lisp_Fwd_Bool: |
877 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); | |
878 | break; | |
aa3830c4 | 879 | |
ce5b453a SM |
880 | case Lisp_Fwd_Obj: |
881 | *XOBJFWD (valcontents)->objvar = newval; | |
aa3830c4 | 882 | |
ce5b453a SM |
883 | /* If this variable is a default for something stored |
884 | in the buffer itself, such as default-fill-column, | |
885 | find the buffers that don't have local values for it | |
886 | and update them. */ | |
887 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
888 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
46b2ac21 | 889 | { |
ce5b453a SM |
890 | int offset = ((char *) XOBJFWD (valcontents)->objvar |
891 | - (char *) &buffer_defaults); | |
892 | int idx = PER_BUFFER_IDX (offset); | |
aa3830c4 | 893 | |
ce5b453a | 894 | Lisp_Object tail; |
aa3830c4 | 895 | |
ce5b453a SM |
896 | if (idx <= 0) |
897 | break; | |
aa3830c4 | 898 | |
ce5b453a | 899 | for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail)) |
6b61353c | 900 | { |
b9b84fa9 | 901 | Lisp_Object lbuf; |
ce5b453a | 902 | struct buffer *b; |
6b61353c | 903 | |
b9b84fa9 PE |
904 | lbuf = Fcdr (XCAR (tail)); |
905 | if (!BUFFERP (lbuf)) continue; | |
906 | b = XBUFFER (lbuf); | |
6b61353c | 907 | |
ce5b453a | 908 | if (! PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 909 | set_per_buffer_value (b, offset, newval); |
6b61353c | 910 | } |
ce5b453a SM |
911 | } |
912 | break; | |
7403b5c8 | 913 | |
ce5b453a SM |
914 | case Lisp_Fwd_Buffer_Obj: |
915 | { | |
916 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
917 | Lisp_Object type = XBUFFER_OBJFWD (valcontents)->slottype; | |
918 | ||
919 | if (!(NILP (type) || NILP (newval) | |
d5040d2d | 920 | || (XINT (type) == Lisp_Int0 |
ce5b453a SM |
921 | ? INTEGERP (newval) |
922 | : XTYPE (newval) == XINT (type)))) | |
923 | buffer_slot_type_mismatch (newval, XINT (type)); | |
924 | ||
925 | if (buf == NULL) | |
926 | buf = current_buffer; | |
4ce60d2e | 927 | set_per_buffer_value (buf, offset, newval); |
ce5b453a SM |
928 | } |
929 | break; | |
7403b5c8 | 930 | |
ce5b453a SM |
931 | case Lisp_Fwd_Kboard_Obj: |
932 | { | |
933 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); | |
934 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; | |
935 | *(Lisp_Object *) p = newval; | |
936 | } | |
7921925c JB |
937 | break; |
938 | ||
7921925c | 939 | default: |
1088b922 | 940 | emacs_abort (); /* goto def; */ |
7921925c JB |
941 | } |
942 | } | |
943 | ||
d73e321c DA |
944 | /* Set up SYMBOL to refer to its global binding. This makes it safe |
945 | to alter the status of other bindings. BEWARE: this may be called | |
946 | during the mark phase of GC, where we assume that Lisp_Object slots | |
947 | of BLV are marked after this function has changed them. */ | |
b0d53add GM |
948 | |
949 | void | |
971de7fb | 950 | swap_in_global_binding (struct Lisp_Symbol *symbol) |
b0d53add | 951 | { |
ce5b453a | 952 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (symbol); |
b0d53add GM |
953 | |
954 | /* Unload the previously loaded binding. */ | |
ce5b453a | 955 | if (blv->fwd) |
a04e2c62 | 956 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
bfb96cb7 | 957 | |
b0d53add | 958 | /* Select the global binding in the symbol. */ |
a04e2c62 | 959 | set_blv_valcell (blv, blv->defcell); |
ce5b453a SM |
960 | if (blv->fwd) |
961 | store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL); | |
b0d53add GM |
962 | |
963 | /* Indicate that the global binding is set up now. */ | |
a04e2c62 DA |
964 | set_blv_where (blv, Qnil); |
965 | set_blv_found (blv, 0); | |
b0d53add GM |
966 | } |
967 | ||
2829d05f | 968 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
969 | VALCONTENTS is the contents of its value cell, |
970 | which points to a struct Lisp_Buffer_Local_Value. | |
971 | ||
972 | Return the value forwarded one step past the buffer-local stage. | |
973 | This could be another forwarding pointer. */ | |
7921925c | 974 | |
ce5b453a | 975 | static void |
971de7fb | 976 | swap_in_symval_forwarding (struct Lisp_Symbol *symbol, struct Lisp_Buffer_Local_Value *blv) |
7921925c | 977 | { |
7921925c | 978 | register Lisp_Object tem1; |
bfb96cb7 | 979 | |
ce5b453a SM |
980 | eassert (blv == SYMBOL_BLV (symbol)); |
981 | ||
982 | tem1 = blv->where; | |
7921925c | 983 | |
42e975f0 | 984 | if (NILP (tem1) |
ce5b453a SM |
985 | || (blv->frame_local |
986 | ? !EQ (selected_frame, tem1) | |
987 | : current_buffer != XBUFFER (tem1))) | |
7921925c | 988 | { |
bfb96cb7 | 989 | |
42e975f0 | 990 | /* Unload the previously loaded binding. */ |
ce5b453a SM |
991 | tem1 = blv->valcell; |
992 | if (blv->fwd) | |
a04e2c62 | 993 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
42e975f0 | 994 | /* Choose the new binding. */ |
ce5b453a SM |
995 | { |
996 | Lisp_Object var; | |
997 | XSETSYMBOL (var, symbol); | |
998 | if (blv->frame_local) | |
999 | { | |
e69b0960 | 1000 | tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist); |
a04e2c62 | 1001 | set_blv_where (blv, selected_frame); |
ce5b453a SM |
1002 | } |
1003 | else | |
1004 | { | |
4b4deea2 | 1005 | tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist)); |
d73e321c | 1006 | set_blv_where (blv, Fcurrent_buffer ()); |
ce5b453a SM |
1007 | } |
1008 | } | |
1009 | if (!(blv->found = !NILP (tem1))) | |
1010 | tem1 = blv->defcell; | |
b0c2d1c6 | 1011 | |
42e975f0 | 1012 | /* Load the new binding. */ |
a04e2c62 | 1013 | set_blv_valcell (blv, tem1); |
ce5b453a | 1014 | if (blv->fwd) |
a04e2c62 | 1015 | store_symval_forwarding (blv->fwd, blv_value (blv), NULL); |
7921925c | 1016 | } |
7921925c JB |
1017 | } |
1018 | \f | |
14e76af9 JB |
1019 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1020 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1021 | if it has one, without signaling an error. |
14e76af9 JB |
1022 | Note that it must not be possible to quit |
1023 | within this function. Great care is required for this. */ | |
7921925c | 1024 | |
14e76af9 | 1025 | Lisp_Object |
971de7fb | 1026 | find_symbol_value (Lisp_Object symbol) |
7921925c | 1027 | { |
ce5b453a | 1028 | struct Lisp_Symbol *sym; |
bfb96cb7 | 1029 | |
b7826503 | 1030 | CHECK_SYMBOL (symbol); |
ce5b453a | 1031 | sym = XSYMBOL (symbol); |
7921925c | 1032 | |
ce5b453a SM |
1033 | start: |
1034 | switch (sym->redirect) | |
1035 | { | |
1036 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1037 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1038 | case SYMBOL_LOCALIZED: | |
1039 | { | |
1040 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1041 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 1042 | return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv); |
ce5b453a SM |
1043 | } |
1044 | /* FALLTHROUGH */ | |
1045 | case SYMBOL_FORWARDED: | |
1046 | return do_symval_forwarding (SYMBOL_FWD (sym)); | |
1088b922 | 1047 | default: emacs_abort (); |
ce5b453a | 1048 | } |
7921925c JB |
1049 | } |
1050 | ||
a7ca3326 | 1051 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
14d27346 GM |
1052 | doc: /* Return SYMBOL's value. Error if that is void. |
1053 | Note that if `lexical-binding' is in effect, this returns the | |
1054 | global value outside of any lexical scope. */) | |
5842a27b | 1055 | (Lisp_Object symbol) |
14e76af9 | 1056 | { |
0671d7c0 | 1057 | Lisp_Object val; |
14e76af9 | 1058 | |
d9c2a0f2 | 1059 | val = find_symbol_value (symbol); |
740ef0b5 | 1060 | if (!EQ (val, Qunbound)) |
14e76af9 | 1061 | return val; |
740ef0b5 KS |
1062 | |
1063 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1064 | } |
1065 | ||
a7ca3326 | 1066 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 | 1067 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
5842a27b | 1068 | (register Lisp_Object symbol, Lisp_Object newval) |
05ef7169 | 1069 | { |
94b612ad | 1070 | set_internal (symbol, newval, Qnil, 0); |
ce5b453a | 1071 | return newval; |
05ef7169 RS |
1072 | } |
1073 | ||
de1339b0 | 1074 | /* Return true if SYMBOL currently has a let-binding |
1f35ce36 RS |
1075 | which was made in the buffer that is now current. */ |
1076 | ||
de1339b0 | 1077 | static bool |
ce5b453a | 1078 | let_shadows_buffer_binding_p (struct Lisp_Symbol *symbol) |
1f35ce36 | 1079 | { |
ce5b453a | 1080 | struct specbinding *p; |
1f35ce36 | 1081 | |
d311d28c PE |
1082 | for (p = specpdl_ptr; p > specpdl; ) |
1083 | if ((--p)->func == NULL | |
f35d5bad GM |
1084 | && CONSP (p->symbol)) |
1085 | { | |
ad97b375 | 1086 | struct Lisp_Symbol *let_bound_symbol = XSYMBOL (XCAR (p->symbol)); |
ce5b453a SM |
1087 | eassert (let_bound_symbol->redirect != SYMBOL_VARALIAS); |
1088 | if (symbol == let_bound_symbol | |
f35d5bad | 1089 | && XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer) |
d311d28c | 1090 | return 1; |
f35d5bad | 1091 | } |
1f35ce36 | 1092 | |
d311d28c | 1093 | return 0; |
1f35ce36 RS |
1094 | } |
1095 | ||
de1339b0 | 1096 | static bool |
971de7fb | 1097 | let_shadows_global_binding_p (Lisp_Object symbol) |
ce5b453a SM |
1098 | { |
1099 | struct specbinding *p; | |
1100 | ||
bc985141 | 1101 | for (p = specpdl_ptr; p > specpdl; ) |
d311d28c PE |
1102 | if ((--p)->func == NULL && EQ (p->symbol, symbol)) |
1103 | return 1; | |
ce5b453a | 1104 | |
d311d28c | 1105 | return 0; |
ce5b453a SM |
1106 | } |
1107 | ||
25638b07 | 1108 | /* Store the value NEWVAL into SYMBOL. |
94b612ad SM |
1109 | If buffer/frame-locality is an issue, WHERE specifies which context to use. |
1110 | (nil stands for the current buffer/frame). | |
2829d05f | 1111 | |
de1339b0 | 1112 | If BINDFLAG is false, then if this symbol is supposed to become |
05ef7169 | 1113 | local in every buffer where it is set, then we make it local. |
de1339b0 | 1114 | If BINDFLAG is true, we don't do that. */ |
05ef7169 | 1115 | |
ce5b453a | 1116 | void |
de1339b0 PE |
1117 | set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where, |
1118 | bool bindflag) | |
7921925c | 1119 | { |
de1339b0 | 1120 | bool voide = EQ (newval, Qunbound); |
ce5b453a SM |
1121 | struct Lisp_Symbol *sym; |
1122 | Lisp_Object tem1; | |
7921925c | 1123 | |
2829d05f | 1124 | /* If restoring in a dead buffer, do nothing. */ |
94b612ad SM |
1125 | /* if (BUFFERP (where) && NILP (XBUFFER (where)->name)) |
1126 | return; */ | |
2829d05f | 1127 | |
b7826503 | 1128 | CHECK_SYMBOL (symbol); |
ce5b453a | 1129 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1130 | { |
ce5b453a SM |
1131 | if (NILP (Fkeywordp (symbol)) |
1132 | || !EQ (newval, Fsymbol_value (symbol))) | |
1133 | xsignal1 (Qsetting_constant, symbol); | |
1134 | else | |
1135 | /* Allow setting keywords to their own value. */ | |
1136 | return; | |
7921925c | 1137 | } |
42e975f0 | 1138 | |
ce5b453a | 1139 | sym = XSYMBOL (symbol); |
7921925c | 1140 | |
ce5b453a SM |
1141 | start: |
1142 | switch (sym->redirect) | |
1143 | { | |
1144 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1145 | case SYMBOL_PLAINVAL: SET_SYMBOL_VAL (sym , newval); return; | |
1146 | case SYMBOL_LOCALIZED: | |
1147 | { | |
1148 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
94b612ad SM |
1149 | if (NILP (where)) |
1150 | { | |
1151 | if (blv->frame_local) | |
1152 | where = selected_frame; | |
1153 | else | |
1154 | XSETBUFFER (where, current_buffer); | |
1155 | } | |
ce5b453a SM |
1156 | /* If the current buffer is not the buffer whose binding is |
1157 | loaded, or if there may be frame-local bindings and the frame | |
1158 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1159 | the default binding is loaded, the loaded binding may be the | |
1160 | wrong one. */ | |
94b612ad | 1161 | if (!EQ (blv->where, where) |
bfeae2cf | 1162 | /* Also unload a global binding (if the var is local_if_set). */ |
ce5b453a SM |
1163 | || (EQ (blv->valcell, blv->defcell))) |
1164 | { | |
1165 | /* The currently loaded binding is not necessarily valid. | |
1166 | We need to unload it, and choose a new binding. */ | |
1167 | ||
1168 | /* Write out `realvalue' to the old loaded binding. */ | |
1169 | if (blv->fwd) | |
a04e2c62 | 1170 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
b0c2d1c6 | 1171 | |
ce5b453a | 1172 | /* Find the new binding. */ |
94b612ad SM |
1173 | XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */ |
1174 | tem1 = Fassq (symbol, | |
1175 | (blv->frame_local | |
e69b0960 | 1176 | ? XFRAME (where)->param_alist |
4b4deea2 | 1177 | : BVAR (XBUFFER (where), local_var_alist))); |
a04e2c62 | 1178 | set_blv_where (blv, where); |
9e677988 | 1179 | blv->found = 1; |
ce5b453a SM |
1180 | |
1181 | if (NILP (tem1)) | |
1182 | { | |
1183 | /* This buffer still sees the default value. */ | |
1184 | ||
1185 | /* If the variable is a Lisp_Some_Buffer_Local_Value, | |
1186 | or if this is `let' rather than `set', | |
1187 | make CURRENT-ALIST-ELEMENT point to itself, | |
1188 | indicating that we're seeing the default value. | |
1189 | Likewise if the variable has been let-bound | |
1190 | in the current buffer. */ | |
1191 | if (bindflag || !blv->local_if_set | |
1192 | || let_shadows_buffer_binding_p (sym)) | |
1193 | { | |
9e677988 | 1194 | blv->found = 0; |
ce5b453a SM |
1195 | tem1 = blv->defcell; |
1196 | } | |
1197 | /* If it's a local_if_set, being set not bound, | |
1198 | and we're not within a let that was made for this buffer, | |
1199 | create a new buffer-local binding for the variable. | |
1200 | That means, give this buffer a new assoc for a local value | |
1201 | and load that binding. */ | |
1202 | else | |
1203 | { | |
1204 | /* local_if_set is only supported for buffer-local | |
1205 | bindings, not for frame-local bindings. */ | |
1206 | eassert (!blv->frame_local); | |
1207 | tem1 = Fcons (symbol, XCDR (blv->defcell)); | |
39eb03f1 PE |
1208 | bset_local_var_alist |
1209 | (XBUFFER (where), | |
1210 | Fcons (tem1, BVAR (XBUFFER (where), local_var_alist))); | |
ce5b453a SM |
1211 | } |
1212 | } | |
1213 | ||
1214 | /* Record which binding is now loaded. */ | |
a04e2c62 | 1215 | set_blv_valcell (blv, tem1); |
ce5b453a | 1216 | } |
b0c2d1c6 | 1217 | |
ce5b453a | 1218 | /* Store the new value in the cons cell. */ |
a04e2c62 | 1219 | set_blv_value (blv, newval); |
d8cafeb5 | 1220 | |
ce5b453a SM |
1221 | if (blv->fwd) |
1222 | { | |
1223 | if (voide) | |
1224 | /* If storing void (making the symbol void), forward only through | |
1225 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1226 | blv->fwd = NULL; | |
1227 | else | |
94b612ad SM |
1228 | store_symval_forwarding (blv->fwd, newval, |
1229 | BUFFERP (where) | |
1230 | ? XBUFFER (where) : current_buffer); | |
ce5b453a SM |
1231 | } |
1232 | break; | |
1233 | } | |
1234 | case SYMBOL_FORWARDED: | |
1235 | { | |
94b612ad SM |
1236 | struct buffer *buf |
1237 | = BUFFERP (where) ? XBUFFER (where) : current_buffer; | |
ce5b453a SM |
1238 | union Lisp_Fwd *innercontents = SYMBOL_FWD (sym); |
1239 | if (BUFFER_OBJFWDP (innercontents)) | |
1240 | { | |
1241 | int offset = XBUFFER_OBJFWD (innercontents)->offset; | |
1242 | int idx = PER_BUFFER_IDX (offset); | |
1243 | if (idx > 0 | |
1244 | && !bindflag | |
1245 | && !let_shadows_buffer_binding_p (sym)) | |
1246 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); | |
1247 | } | |
569c11e3 | 1248 | |
ce5b453a SM |
1249 | if (voide) |
1250 | { /* If storing void (making the symbol void), forward only through | |
1251 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1252 | sym->redirect = SYMBOL_PLAINVAL; | |
1253 | SET_SYMBOL_VAL (sym, newval); | |
1254 | } | |
1255 | else | |
1256 | store_symval_forwarding (/* sym, */ innercontents, newval, buf); | |
1257 | break; | |
1258 | } | |
1088b922 | 1259 | default: emacs_abort (); |
7921925c | 1260 | } |
ce5b453a | 1261 | return; |
7921925c JB |
1262 | } |
1263 | \f | |
1264 | /* Access or set a buffer-local symbol's default value. */ | |
1265 | ||
d9c2a0f2 | 1266 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1267 | Return Qunbound if it is void. */ |
7921925c | 1268 | |
112396d6 | 1269 | static Lisp_Object |
971de7fb | 1270 | default_value (Lisp_Object symbol) |
7921925c | 1271 | { |
ce5b453a | 1272 | struct Lisp_Symbol *sym; |
7921925c | 1273 | |
b7826503 | 1274 | CHECK_SYMBOL (symbol); |
ce5b453a | 1275 | sym = XSYMBOL (symbol); |
7921925c | 1276 | |
ce5b453a SM |
1277 | start: |
1278 | switch (sym->redirect) | |
7921925c | 1279 | { |
ce5b453a SM |
1280 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1281 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1282 | case SYMBOL_LOCALIZED: | |
1283 | { | |
1284 | /* If var is set up for a buffer that lacks a local value for it, | |
1285 | the current value is nominally the default value. | |
1286 | But the `realvalue' slot may be more up to date, since | |
1287 | ordinary setq stores just that slot. So use that. */ | |
1288 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1289 | if (blv->fwd && EQ (blv->valcell, blv->defcell)) | |
1290 | return do_symval_forwarding (blv->fwd); | |
1291 | else | |
1292 | return XCDR (blv->defcell); | |
1293 | } | |
1294 | case SYMBOL_FORWARDED: | |
1295 | { | |
1296 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1297 | |
ce5b453a SM |
1298 | /* For a built-in buffer-local variable, get the default value |
1299 | rather than letting do_symval_forwarding get the current value. */ | |
1300 | if (BUFFER_OBJFWDP (valcontents)) | |
1301 | { | |
1302 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1303 | if (PER_BUFFER_IDX (offset) != 0) | |
4ce60d2e | 1304 | return per_buffer_default (offset); |
ce5b453a SM |
1305 | } |
1306 | ||
1307 | /* For other variables, get the current value. */ | |
1308 | return do_symval_forwarding (valcontents); | |
1309 | } | |
1088b922 | 1310 | default: emacs_abort (); |
7921925c | 1311 | } |
7921925c JB |
1312 | } |
1313 | ||
a7ca3326 | 1314 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, |
8c1a1077 PJ |
1315 | doc: /* Return t if SYMBOL has a non-void default value. |
1316 | This is the value that is seen in buffers that do not have their own values | |
1317 | for this variable. */) | |
5842a27b | 1318 | (Lisp_Object symbol) |
7921925c JB |
1319 | { |
1320 | register Lisp_Object value; | |
1321 | ||
d9c2a0f2 | 1322 | value = default_value (symbol); |
1bfcade3 | 1323 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1324 | } |
1325 | ||
a7ca3326 | 1326 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, |
8c1a1077 PJ |
1327 | doc: /* Return SYMBOL's default value. |
1328 | This is the value that is seen in buffers that do not have their own values | |
1329 | for this variable. The default value is meaningful for variables with | |
1330 | local bindings in certain buffers. */) | |
5842a27b | 1331 | (Lisp_Object symbol) |
7921925c JB |
1332 | { |
1333 | register Lisp_Object value; | |
1334 | ||
d9c2a0f2 | 1335 | value = default_value (symbol); |
740ef0b5 KS |
1336 | if (!EQ (value, Qunbound)) |
1337 | return value; | |
1338 | ||
1339 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1340 | } |
1341 | ||
a7ca3326 | 1342 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, |
6e86a75d | 1343 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1344 | The default value is seen in buffers that do not have their own values |
1345 | for this variable. */) | |
5842a27b | 1346 | (Lisp_Object symbol, Lisp_Object value) |
7921925c | 1347 | { |
ce5b453a | 1348 | struct Lisp_Symbol *sym; |
7921925c | 1349 | |
b7826503 | 1350 | CHECK_SYMBOL (symbol); |
ce5b453a | 1351 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1352 | { |
ce5b453a SM |
1353 | if (NILP (Fkeywordp (symbol)) |
1354 | || !EQ (value, Fdefault_value (symbol))) | |
1355 | xsignal1 (Qsetting_constant, symbol); | |
1356 | else | |
1357 | /* Allow setting keywords to their own value. */ | |
1358 | return value; | |
1359 | } | |
1360 | sym = XSYMBOL (symbol); | |
7921925c | 1361 | |
ce5b453a SM |
1362 | start: |
1363 | switch (sym->redirect) | |
1364 | { | |
1365 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1366 | case SYMBOL_PLAINVAL: return Fset (symbol, value); | |
1367 | case SYMBOL_LOCALIZED: | |
1368 | { | |
1369 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
984ef137 | 1370 | |
ce5b453a SM |
1371 | /* Store new value into the DEFAULT-VALUE slot. */ |
1372 | XSETCDR (blv->defcell, value); | |
bfb96cb7 | 1373 | |
ce5b453a SM |
1374 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
1375 | if (blv->fwd && EQ (blv->defcell, blv->valcell)) | |
1376 | store_symval_forwarding (blv->fwd, value, NULL); | |
1377 | return value; | |
1378 | } | |
1379 | case SYMBOL_FORWARDED: | |
1380 | { | |
1381 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1382 | |
ce5b453a SM |
1383 | /* Handle variables like case-fold-search that have special slots |
1384 | in the buffer. | |
1385 | Make them work apparently like Lisp_Buffer_Local_Value variables. */ | |
1386 | if (BUFFER_OBJFWDP (valcontents)) | |
1387 | { | |
1388 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1389 | int idx = PER_BUFFER_IDX (offset); | |
7921925c | 1390 | |
4ce60d2e | 1391 | set_per_buffer_default (offset, value); |
7921925c | 1392 | |
ce5b453a SM |
1393 | /* If this variable is not always local in all buffers, |
1394 | set it in the buffers that don't nominally have a local value. */ | |
1395 | if (idx > 0) | |
1396 | { | |
1397 | struct buffer *b; | |
7921925c | 1398 | |
52b852c7 | 1399 | FOR_EACH_BUFFER (b) |
ce5b453a | 1400 | if (!PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1401 | set_per_buffer_value (b, offset, value); |
ce5b453a SM |
1402 | } |
1403 | return value; | |
1404 | } | |
1405 | else | |
1406 | return Fset (symbol, value); | |
1407 | } | |
1088b922 | 1408 | default: emacs_abort (); |
ce5b453a | 1409 | } |
7921925c JB |
1410 | } |
1411 | ||
7a7df7ac | 1412 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1413 | doc: /* Set the default value of variable VAR to VALUE. |
1414 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1415 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1416 | The default value of a variable is seen in buffers |
1417 | that do not have their own values for the variable. | |
1418 | ||
1419 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1420 | (setq-default VAR VALUE VAR VALUE...) |
1421 | This sets each VAR's default value to the corresponding VALUE. | |
1422 | The VALUE for the Nth VAR can refer to the new default values | |
1423 | of previous VARs. | |
70e9f399 | 1424 | usage: (setq-default [VAR VALUE]...) */) |
5842a27b | 1425 | (Lisp_Object args) |
7921925c JB |
1426 | { |
1427 | register Lisp_Object args_left; | |
d9c2a0f2 | 1428 | register Lisp_Object val, symbol; |
7921925c JB |
1429 | struct gcpro gcpro1; |
1430 | ||
a33ef3ab | 1431 | if (NILP (args)) |
7921925c JB |
1432 | return Qnil; |
1433 | ||
1434 | args_left = args; | |
1435 | GCPRO1 (args); | |
1436 | ||
1437 | do | |
1438 | { | |
defb1411 | 1439 | val = eval_sub (Fcar (Fcdr (args_left))); |
d2fde41d | 1440 | symbol = XCAR (args_left); |
d9c2a0f2 | 1441 | Fset_default (symbol, val); |
d2fde41d | 1442 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1443 | } |
a33ef3ab | 1444 | while (!NILP (args_left)); |
7921925c JB |
1445 | |
1446 | UNGCPRO; | |
1447 | return val; | |
1448 | } | |
1449 | \f | |
a5ca2b75 JB |
1450 | /* Lisp functions for creating and removing buffer-local variables. */ |
1451 | ||
ce5b453a SM |
1452 | union Lisp_Val_Fwd |
1453 | { | |
1454 | Lisp_Object value; | |
1455 | union Lisp_Fwd *fwd; | |
1456 | }; | |
1457 | ||
1458 | static struct Lisp_Buffer_Local_Value * | |
de1339b0 PE |
1459 | make_blv (struct Lisp_Symbol *sym, bool forwarded, |
1460 | union Lisp_Val_Fwd valcontents) | |
ce5b453a | 1461 | { |
38182d90 | 1462 | struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv); |
c632dfda JD |
1463 | Lisp_Object symbol; |
1464 | Lisp_Object tem; | |
1465 | ||
1466 | XSETSYMBOL (symbol, sym); | |
1467 | tem = Fcons (symbol, (forwarded | |
1468 | ? do_symval_forwarding (valcontents.fwd) | |
1469 | : valcontents.value)); | |
1470 | ||
ce5b453a SM |
1471 | /* Buffer_Local_Values cannot have as realval a buffer-local |
1472 | or keyboard-local forwarding. */ | |
1473 | eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd))); | |
1474 | eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd))); | |
1475 | blv->fwd = forwarded ? valcontents.fwd : NULL; | |
a04e2c62 | 1476 | set_blv_where (blv, Qnil); |
ce5b453a SM |
1477 | blv->frame_local = 0; |
1478 | blv->local_if_set = 0; | |
a04e2c62 DA |
1479 | set_blv_defcell (blv, tem); |
1480 | set_blv_valcell (blv, tem); | |
1481 | set_blv_found (blv, 0); | |
ce5b453a SM |
1482 | return blv; |
1483 | } | |
1484 | ||
a7ca3326 | 1485 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, |
16a97296 | 1486 | Smake_variable_buffer_local, 1, 1, "vMake Variable Buffer Local: ", |
8c1a1077 PJ |
1487 | doc: /* Make VARIABLE become buffer-local whenever it is set. |
1488 | At any time, the value for the current buffer is in effect, | |
1489 | unless the variable has never been set in this buffer, | |
1490 | in which case the default value is in effect. | |
1491 | Note that binding the variable with `let', or setting it while | |
1492 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1493 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1494 | |
a9908653 RS |
1495 | In most cases it is better to use `make-local-variable', |
1496 | which makes a variable local in just one buffer. | |
1497 | ||
8c1a1077 | 1498 | The function `default-value' gets the default value and `set-default' sets it. */) |
5842a27b | 1499 | (register Lisp_Object variable) |
7921925c | 1500 | { |
ad97b375 | 1501 | struct Lisp_Symbol *sym; |
ce5b453a | 1502 | struct Lisp_Buffer_Local_Value *blv = NULL; |
bfe3e0a2 | 1503 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
de1339b0 | 1504 | bool forwarded IF_LINT (= 0); |
7921925c | 1505 | |
b7826503 | 1506 | CHECK_SYMBOL (variable); |
ce5b453a | 1507 | sym = XSYMBOL (variable); |
7921925c | 1508 | |
ce5b453a SM |
1509 | start: |
1510 | switch (sym->redirect) | |
fd9440c5 | 1511 | { |
ce5b453a SM |
1512 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1513 | case SYMBOL_PLAINVAL: | |
1514 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1515 | if (EQ (valcontents.value, Qunbound)) | |
1516 | valcontents.value = Qnil; | |
1517 | break; | |
1518 | case SYMBOL_LOCALIZED: | |
1519 | blv = SYMBOL_BLV (sym); | |
1520 | if (blv->frame_local) | |
1521 | error ("Symbol %s may not be buffer-local", | |
1522 | SDATA (SYMBOL_NAME (variable))); | |
1523 | break; | |
1524 | case SYMBOL_FORWARDED: | |
1525 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1526 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1527 | error ("Symbol %s may not be buffer-local", | |
1528 | SDATA (SYMBOL_NAME (variable))); | |
1529 | else if (BUFFER_OBJFWDP (valcontents.fwd)) | |
1530 | return variable; | |
1531 | break; | |
1088b922 | 1532 | default: emacs_abort (); |
fd9440c5 | 1533 | } |
ce5b453a SM |
1534 | |
1535 | if (sym->constant) | |
1536 | error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable))); | |
1537 | ||
1538 | if (!blv) | |
7921925c | 1539 | { |
ce5b453a SM |
1540 | blv = make_blv (sym, forwarded, valcontents); |
1541 | sym->redirect = SYMBOL_LOCALIZED; | |
1542 | SET_SYMBOL_BLV (sym, blv); | |
1543 | { | |
1544 | Lisp_Object symbol; | |
1545 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1546 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1547 | message ("Making %s buffer-local while let-bound!", |
1548 | SDATA (SYMBOL_NAME (variable))); | |
ce5b453a | 1549 | } |
7921925c | 1550 | } |
ce5b453a SM |
1551 | |
1552 | blv->local_if_set = 1; | |
d9c2a0f2 | 1553 | return variable; |
7921925c JB |
1554 | } |
1555 | ||
a7ca3326 | 1556 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, |
8c1a1077 PJ |
1557 | 1, 1, "vMake Local Variable: ", |
1558 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1559 | Other buffers will continue to share a common default value. | |
1560 | \(The buffer-local value of VARIABLE starts out as the same value | |
1561 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1562 | Return VARIABLE. |
8c1a1077 PJ |
1563 | |
1564 | If the variable is already arranged to become local when set, | |
1565 | this function causes a local value to exist for this buffer, | |
1566 | just as setting the variable would do. | |
1567 | ||
1568 | This function returns VARIABLE, and therefore | |
1569 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1570 | works. | |
1571 | ||
a9908653 RS |
1572 | See also `make-variable-buffer-local'. |
1573 | ||
8c1a1077 | 1574 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1575 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
de1339b0 | 1576 | (Lisp_Object variable) |
7921925c | 1577 | { |
de1339b0 PE |
1578 | Lisp_Object tem; |
1579 | bool forwarded IF_LINT (= 0); | |
bfe3e0a2 | 1580 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
ad97b375 | 1581 | struct Lisp_Symbol *sym; |
ce5b453a | 1582 | struct Lisp_Buffer_Local_Value *blv = NULL; |
7921925c | 1583 | |
b7826503 | 1584 | CHECK_SYMBOL (variable); |
ce5b453a | 1585 | sym = XSYMBOL (variable); |
7921925c | 1586 | |
ce5b453a SM |
1587 | start: |
1588 | switch (sym->redirect) | |
1589 | { | |
1590 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1591 | case SYMBOL_PLAINVAL: | |
1592 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); break; | |
1593 | case SYMBOL_LOCALIZED: | |
1594 | blv = SYMBOL_BLV (sym); | |
1595 | if (blv->frame_local) | |
1596 | error ("Symbol %s may not be buffer-local", | |
1597 | SDATA (SYMBOL_NAME (variable))); | |
1598 | break; | |
1599 | case SYMBOL_FORWARDED: | |
1600 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1601 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1602 | error ("Symbol %s may not be buffer-local", | |
1603 | SDATA (SYMBOL_NAME (variable))); | |
1604 | break; | |
1088b922 | 1605 | default: emacs_abort (); |
ce5b453a SM |
1606 | } |
1607 | ||
1608 | if (sym->constant) | |
8b1e1112 SM |
1609 | error ("Symbol %s may not be buffer-local", |
1610 | SDATA (SYMBOL_NAME (variable))); | |
7921925c | 1611 | |
ce5b453a SM |
1612 | if (blv ? blv->local_if_set |
1613 | : (forwarded && BUFFER_OBJFWDP (valcontents.fwd))) | |
7921925c | 1614 | { |
d9c2a0f2 | 1615 | tem = Fboundp (variable); |
7921925c JB |
1616 | /* Make sure the symbol has a local value in this particular buffer, |
1617 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1618 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1619 | return variable; | |
7921925c | 1620 | } |
ce5b453a | 1621 | if (!blv) |
7921925c | 1622 | { |
ce5b453a SM |
1623 | blv = make_blv (sym, forwarded, valcontents); |
1624 | sym->redirect = SYMBOL_LOCALIZED; | |
1625 | SET_SYMBOL_BLV (sym, blv); | |
1626 | { | |
1627 | Lisp_Object symbol; | |
1628 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1629 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1630 | message ("Making %s local to %s while let-bound!", |
1631 | SDATA (SYMBOL_NAME (variable)), | |
4b4deea2 | 1632 | SDATA (BVAR (current_buffer, name))); |
ce5b453a | 1633 | } |
7921925c | 1634 | } |
ce5b453a | 1635 | |
42e975f0 | 1636 | /* Make sure this buffer has its own value of symbol. */ |
ce5b453a | 1637 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
4b4deea2 | 1638 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1639 | if (NILP (tem)) |
7921925c | 1640 | { |
ce5b453a SM |
1641 | if (let_shadows_buffer_binding_p (sym)) |
1642 | message ("Making %s buffer-local while locally let-bound!", | |
1643 | SDATA (SYMBOL_NAME (variable))); | |
1644 | ||
a5d004a1 RS |
1645 | /* Swap out any local binding for some other buffer, and make |
1646 | sure the current value is permanently recorded, if it's the | |
1647 | default value. */ | |
d9c2a0f2 | 1648 | find_symbol_value (variable); |
a5d004a1 | 1649 | |
39eb03f1 PE |
1650 | bset_local_var_alist |
1651 | (current_buffer, | |
1652 | Fcons (Fcons (variable, XCDR (blv->defcell)), | |
1653 | BVAR (current_buffer, local_var_alist))); | |
7921925c JB |
1654 | |
1655 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1656 | force it to look once again for this buffer's value. */ |
ce5b453a | 1657 | if (current_buffer == XBUFFER (blv->where)) |
a04e2c62 DA |
1658 | set_blv_where (blv, Qnil); |
1659 | set_blv_found (blv, 0); | |
7921925c | 1660 | } |
a5ca2b75 | 1661 | |
42e975f0 RS |
1662 | /* If the symbol forwards into a C variable, then load the binding |
1663 | for this buffer now. If C code modifies the variable before we | |
1664 | load the binding in, then that new value will clobber the default | |
1665 | binding the next time we unload it. */ | |
ce5b453a SM |
1666 | if (blv->fwd) |
1667 | swap_in_symval_forwarding (sym, blv); | |
a5ca2b75 | 1668 | |
d9c2a0f2 | 1669 | return variable; |
7921925c JB |
1670 | } |
1671 | ||
1672 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1673 | 1, 1, "vKill Local Variable: ", |
1674 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1675 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
5842a27b | 1676 | (register Lisp_Object variable) |
7921925c | 1677 | { |
ce5b453a SM |
1678 | register Lisp_Object tem; |
1679 | struct Lisp_Buffer_Local_Value *blv; | |
ad97b375 | 1680 | struct Lisp_Symbol *sym; |
7921925c | 1681 | |
b7826503 | 1682 | CHECK_SYMBOL (variable); |
ce5b453a | 1683 | sym = XSYMBOL (variable); |
7921925c | 1684 | |
ce5b453a SM |
1685 | start: |
1686 | switch (sym->redirect) | |
7921925c | 1687 | { |
ce5b453a SM |
1688 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1689 | case SYMBOL_PLAINVAL: return variable; | |
1690 | case SYMBOL_FORWARDED: | |
1691 | { | |
1692 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1693 | if (BUFFER_OBJFWDP (valcontents)) | |
1694 | { | |
1695 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1696 | int idx = PER_BUFFER_IDX (offset); | |
1697 | ||
1698 | if (idx > 0) | |
1699 | { | |
1700 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); | |
4ce60d2e DA |
1701 | set_per_buffer_value (current_buffer, offset, |
1702 | per_buffer_default (offset)); | |
ce5b453a SM |
1703 | } |
1704 | } | |
1705 | return variable; | |
1706 | } | |
1707 | case SYMBOL_LOCALIZED: | |
1708 | blv = SYMBOL_BLV (sym); | |
1709 | if (blv->frame_local) | |
1710 | return variable; | |
1711 | break; | |
1088b922 | 1712 | default: emacs_abort (); |
7921925c JB |
1713 | } |
1714 | ||
42e975f0 | 1715 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1716 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
4b4deea2 | 1717 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1718 | if (!NILP (tem)) |
39eb03f1 PE |
1719 | bset_local_var_alist |
1720 | (current_buffer, | |
1721 | Fdelq (tem, BVAR (current_buffer, local_var_alist))); | |
7921925c | 1722 | |
42e975f0 RS |
1723 | /* If the symbol is set up with the current buffer's binding |
1724 | loaded, recompute its value. We have to do it now, or else | |
1725 | forwarded objects won't work right. */ | |
7921925c | 1726 | { |
ce5b453a SM |
1727 | Lisp_Object buf; XSETBUFFER (buf, current_buffer); |
1728 | if (EQ (buf, blv->where)) | |
79c83e03 | 1729 | { |
a04e2c62 | 1730 | set_blv_where (blv, Qnil); |
9e677988 | 1731 | blv->found = 0; |
978dd578 | 1732 | find_symbol_value (variable); |
79c83e03 | 1733 | } |
7921925c JB |
1734 | } |
1735 | ||
d9c2a0f2 | 1736 | return variable; |
7921925c | 1737 | } |
62476adc | 1738 | |
b0c2d1c6 RS |
1739 | /* Lisp functions for creating and removing buffer-local variables. */ |
1740 | ||
ab795c65 GM |
1741 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1742 | when/if this is removed. */ | |
1743 | ||
b0c2d1c6 | 1744 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1745 | 1, 1, "vMake Variable Frame Local: ", |
1746 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1747 | This does not create any frame-local bindings for VARIABLE, |
1748 | it just makes them possible. | |
1749 | ||
1750 | A frame-local binding is actually a frame parameter value. | |
1751 | If a frame F has a value for the frame parameter named VARIABLE, | |
1752 | that also acts as a frame-local binding for VARIABLE in F-- | |
1753 | provided this function has been called to enable VARIABLE | |
1754 | to have frame-local bindings at all. | |
1755 | ||
1756 | The only way to create a frame-local binding for VARIABLE in a frame | |
1757 | is to set the VARIABLE frame parameter of that frame. See | |
1758 | `modify-frame-parameters' for how to set frame parameters. | |
1759 | ||
a02a1384 GM |
1760 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1761 | frame-local any more (buffer-local bindings used to take precedence over | |
1762 | frame-local bindings). */) | |
de1339b0 | 1763 | (Lisp_Object variable) |
b0c2d1c6 | 1764 | { |
de1339b0 | 1765 | bool forwarded; |
ce5b453a | 1766 | union Lisp_Val_Fwd valcontents; |
ad97b375 | 1767 | struct Lisp_Symbol *sym; |
ce5b453a | 1768 | struct Lisp_Buffer_Local_Value *blv = NULL; |
b0c2d1c6 | 1769 | |
b7826503 | 1770 | CHECK_SYMBOL (variable); |
ce5b453a | 1771 | sym = XSYMBOL (variable); |
b0c2d1c6 | 1772 | |
ce5b453a SM |
1773 | start: |
1774 | switch (sym->redirect) | |
42e975f0 | 1775 | { |
ce5b453a SM |
1776 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1777 | case SYMBOL_PLAINVAL: | |
1778 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1779 | if (EQ (valcontents.value, Qunbound)) | |
1780 | valcontents.value = Qnil; | |
1781 | break; | |
1782 | case SYMBOL_LOCALIZED: | |
1783 | if (SYMBOL_BLV (sym)->frame_local) | |
1784 | return variable; | |
1785 | else | |
1786 | error ("Symbol %s may not be frame-local", | |
1787 | SDATA (SYMBOL_NAME (variable))); | |
1788 | case SYMBOL_FORWARDED: | |
1789 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1790 | if (KBOARD_OBJFWDP (valcontents.fwd) || BUFFER_OBJFWDP (valcontents.fwd)) | |
1791 | error ("Symbol %s may not be frame-local", | |
1792 | SDATA (SYMBOL_NAME (variable))); | |
1793 | break; | |
1088b922 | 1794 | default: emacs_abort (); |
42e975f0 | 1795 | } |
b0c2d1c6 | 1796 | |
ce5b453a SM |
1797 | if (sym->constant) |
1798 | error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable))); | |
1799 | ||
1800 | blv = make_blv (sym, forwarded, valcontents); | |
1801 | blv->frame_local = 1; | |
1802 | sym->redirect = SYMBOL_LOCALIZED; | |
1803 | SET_SYMBOL_BLV (sym, blv); | |
8b1e1112 SM |
1804 | { |
1805 | Lisp_Object symbol; | |
1806 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1807 | if (let_shadows_global_binding_p (symbol)) | |
1808 | message ("Making %s frame-local while let-bound!", | |
1809 | SDATA (SYMBOL_NAME (variable))); | |
1810 | } | |
b0c2d1c6 RS |
1811 | return variable; |
1812 | } | |
1813 | ||
a7ca3326 | 1814 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1815 | 1, 2, 0, |
1816 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1817 | BUFFER defaults to the current buffer. */) | |
5842a27b | 1818 | (register Lisp_Object variable, Lisp_Object buffer) |
62476adc | 1819 | { |
c48ead86 | 1820 | register struct buffer *buf; |
ad97b375 | 1821 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1822 | |
1823 | if (NILP (buffer)) | |
1824 | buf = current_buffer; | |
1825 | else | |
1826 | { | |
b7826503 | 1827 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1828 | buf = XBUFFER (buffer); |
1829 | } | |
62476adc | 1830 | |
b7826503 | 1831 | CHECK_SYMBOL (variable); |
ce5b453a | 1832 | sym = XSYMBOL (variable); |
be95bee9 | 1833 | |
ce5b453a SM |
1834 | start: |
1835 | switch (sym->redirect) | |
c48ead86 | 1836 | { |
ce5b453a SM |
1837 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1838 | case SYMBOL_PLAINVAL: return Qnil; | |
1839 | case SYMBOL_LOCALIZED: | |
1840 | { | |
1841 | Lisp_Object tail, elt, tmp; | |
1842 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1843 | XSETBUFFER (tmp, buf); | |
8d1d9587 | 1844 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
aa3830c4 | 1845 | |
4b4deea2 | 1846 | for (tail = BVAR (buf, local_var_alist); CONSP (tail); tail = XCDR (tail)) |
ce5b453a SM |
1847 | { |
1848 | elt = XCAR (tail); | |
1849 | if (EQ (variable, XCAR (elt))) | |
1850 | { | |
1851 | eassert (!blv->frame_local); | |
a04e2c62 | 1852 | eassert (blv_found (blv) || !EQ (blv->where, tmp)); |
ce5b453a SM |
1853 | return Qt; |
1854 | } | |
1855 | } | |
a04e2c62 | 1856 | eassert (!blv_found (blv) || !EQ (blv->where, tmp)); |
ce5b453a SM |
1857 | return Qnil; |
1858 | } | |
1859 | case SYMBOL_FORWARDED: | |
1860 | { | |
1861 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1862 | if (BUFFER_OBJFWDP (valcontents)) | |
1863 | { | |
1864 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1865 | int idx = PER_BUFFER_IDX (offset); | |
1866 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
1867 | return Qt; | |
1868 | } | |
1869 | return Qnil; | |
1870 | } | |
1088b922 | 1871 | default: emacs_abort (); |
c48ead86 | 1872 | } |
62476adc | 1873 | } |
f4f04cee RS |
1874 | |
1875 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1876 | 1, 2, 0, |
1a5432bc CY |
1877 | doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there. |
1878 | BUFFER defaults to the current buffer. | |
1879 | ||
1880 | More precisely, return non-nil if either VARIABLE already has a local | |
1881 | value in BUFFER, or if VARIABLE is automatically buffer-local (see | |
1882 | `make-variable-buffer-local'). */) | |
5842a27b | 1883 | (register Lisp_Object variable, Lisp_Object buffer) |
f4f04cee | 1884 | { |
ad97b375 | 1885 | struct Lisp_Symbol *sym; |
f4f04cee | 1886 | |
b7826503 | 1887 | CHECK_SYMBOL (variable); |
ce5b453a | 1888 | sym = XSYMBOL (variable); |
f4f04cee | 1889 | |
ce5b453a SM |
1890 | start: |
1891 | switch (sym->redirect) | |
f4f04cee | 1892 | { |
ce5b453a SM |
1893 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1894 | case SYMBOL_PLAINVAL: return Qnil; | |
1895 | case SYMBOL_LOCALIZED: | |
1896 | { | |
1897 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1898 | if (blv->local_if_set) | |
1899 | return Qt; | |
1900 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ | |
1901 | return Flocal_variable_p (variable, buffer); | |
1902 | } | |
1903 | case SYMBOL_FORWARDED: | |
1904 | /* All BUFFER_OBJFWD slots become local if they are set. */ | |
1905 | return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil); | |
1088b922 | 1906 | default: emacs_abort (); |
f4f04cee | 1907 | } |
f4f04cee | 1908 | } |
6b61353c KH |
1909 | |
1910 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1911 | 1, 1, 0, | |
1912 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1913 | If the current binding is buffer-local, the value is the current buffer. | |
1914 | If the current binding is frame-local, the value is the selected frame. | |
1915 | If the current binding is global (the default), the value is nil. */) | |
5842a27b | 1916 | (register Lisp_Object variable) |
6b61353c | 1917 | { |
ad97b375 | 1918 | struct Lisp_Symbol *sym; |
6b61353c KH |
1919 | |
1920 | CHECK_SYMBOL (variable); | |
ce5b453a | 1921 | sym = XSYMBOL (variable); |
6b61353c KH |
1922 | |
1923 | /* Make sure the current binding is actually swapped in. */ | |
1924 | find_symbol_value (variable); | |
1925 | ||
ce5b453a SM |
1926 | start: |
1927 | switch (sym->redirect) | |
6b61353c | 1928 | { |
ce5b453a SM |
1929 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1930 | case SYMBOL_PLAINVAL: return Qnil; | |
1931 | case SYMBOL_FORWARDED: | |
1932 | { | |
1933 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1934 | if (KBOARD_OBJFWDP (valcontents)) | |
1935 | return Fframe_terminal (Fselected_frame ()); | |
1936 | else if (!BUFFER_OBJFWDP (valcontents)) | |
1937 | return Qnil; | |
1938 | } | |
1939 | /* FALLTHROUGH */ | |
1940 | case SYMBOL_LOCALIZED: | |
6b61353c KH |
1941 | /* For a local variable, record both the symbol and which |
1942 | buffer's or frame's value we are saving. */ | |
1943 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
1944 | return Fcurrent_buffer (); | |
ce5b453a | 1945 | else if (sym->redirect == SYMBOL_LOCALIZED |
a04e2c62 | 1946 | && blv_found (SYMBOL_BLV (sym))) |
ce5b453a SM |
1947 | return SYMBOL_BLV (sym)->where; |
1948 | else | |
1949 | return Qnil; | |
1088b922 | 1950 | default: emacs_abort (); |
6b61353c | 1951 | } |
6b61353c | 1952 | } |
2a42d440 | 1953 | |
c40bb1ba KL |
1954 | /* This code is disabled now that we use the selected frame to return |
1955 | keyboard-local-values. */ | |
1956 | #if 0 | |
f57e2426 | 1957 | extern struct terminal *get_terminal (Lisp_Object display, int); |
2a42d440 | 1958 | |
a7ca3326 | 1959 | DEFUN ("terminal-local-value", Fterminal_local_value, |
16a97296 | 1960 | Sterminal_local_value, 2, 2, 0, |
6ed8eeff | 1961 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
1962 | If SYMBOL is not a terminal-local variable, then return its normal |
1963 | value, like `symbol-value'. | |
1964 | ||
708e05dc | 1965 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 1966 | selected frame's terminal device). */) |
5842a27b | 1967 | (Lisp_Object symbol, Lisp_Object terminal) |
2a42d440 KL |
1968 | { |
1969 | Lisp_Object result; | |
6ed8eeff KL |
1970 | struct terminal *t = get_terminal (terminal, 1); |
1971 | push_kboard (t->kboard); | |
2a42d440 | 1972 | result = Fsymbol_value (symbol); |
256c9c3a | 1973 | pop_kboard (); |
2a42d440 KL |
1974 | return result; |
1975 | } | |
1976 | ||
a7ca3326 | 1977 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, |
16a97296 | 1978 | Sset_terminal_local_value, 3, 3, 0, |
6ed8eeff | 1979 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 1980 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
1981 | binding, like `set'. |
1982 | ||
708e05dc | 1983 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 1984 | selected frame's terminal device). */) |
5842a27b | 1985 | (Lisp_Object symbol, Lisp_Object terminal, Lisp_Object value) |
2a42d440 KL |
1986 | { |
1987 | Lisp_Object result; | |
6ed8eeff | 1988 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 1989 | push_kboard (d->kboard); |
2a42d440 | 1990 | result = Fset (symbol, value); |
256c9c3a | 1991 | pop_kboard (); |
2a42d440 KL |
1992 | return result; |
1993 | } | |
c40bb1ba | 1994 | #endif |
7921925c | 1995 | \f |
ffd56f97 JB |
1996 | /* Find the function at the end of a chain of symbol function indirections. */ |
1997 | ||
1998 | /* If OBJECT is a symbol, find the end of its function chain and | |
1999 | return the value found there. If OBJECT is not a symbol, just | |
2000 | return it. If there is a cycle in the function chain, signal a | |
2001 | cyclic-function-indirection error. | |
2002 | ||
2003 | This is like Findirect_function, except that it doesn't signal an | |
2004 | error if the chain ends up unbound. */ | |
2005 | Lisp_Object | |
971de7fb | 2006 | indirect_function (register Lisp_Object object) |
ffd56f97 | 2007 | { |
eb8c3be9 | 2008 | Lisp_Object tortoise, hare; |
ffd56f97 | 2009 | |
eb8c3be9 | 2010 | hare = tortoise = object; |
ffd56f97 JB |
2011 | |
2012 | for (;;) | |
2013 | { | |
eadf1faa | 2014 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2015 | break; |
c644523b | 2016 | hare = XSYMBOL (hare)->function; |
eadf1faa | 2017 | if (!SYMBOLP (hare) || NILP (hare)) |
ffd56f97 | 2018 | break; |
c644523b | 2019 | hare = XSYMBOL (hare)->function; |
ffd56f97 | 2020 | |
c644523b | 2021 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 2022 | |
eb8c3be9 | 2023 | if (EQ (hare, tortoise)) |
740ef0b5 | 2024 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
2025 | } |
2026 | ||
2027 | return hare; | |
2028 | } | |
2029 | ||
a7ca3326 | 2030 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 2031 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
2032 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
2033 | function indirections to find the final function binding and return it. | |
2034 | If the final symbol in the chain is unbound, signal a void-function error. | |
8350f087 | 2035 | Optional arg NOERROR non-nil means to return nil instead of signaling. |
8c1a1077 PJ |
2036 | Signal a cyclic-function-indirection error if there is a loop in the |
2037 | function chain of symbols. */) | |
5842a27b | 2038 | (register Lisp_Object object, Lisp_Object noerror) |
ffd56f97 JB |
2039 | { |
2040 | Lisp_Object result; | |
2041 | ||
64de53d8 KS |
2042 | /* Optimize for no indirection. */ |
2043 | result = object; | |
eadf1faa | 2044 | if (SYMBOLP (result) && !NILP (result) |
c644523b | 2045 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) |
64de53d8 | 2046 | result = indirect_function (result); |
eadf1faa | 2047 | if (!NILP (result)) |
64de53d8 | 2048 | return result; |
ffd56f97 | 2049 | |
64de53d8 | 2050 | if (NILP (noerror)) |
740ef0b5 | 2051 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 2052 | |
64de53d8 | 2053 | return Qnil; |
ffd56f97 JB |
2054 | } |
2055 | \f | |
7abaf5cc | 2056 | /* Extract and set vector and string elements. */ |
7921925c | 2057 | |
a7ca3326 | 2058 | DEFUN ("aref", Faref, Saref, 2, 2, 0, |
8c1a1077 PJ |
2059 | doc: /* Return the element of ARRAY at index IDX. |
2060 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
2061 | or a byte-code object. IDX starts at 0. */) | |
5842a27b | 2062 | (register Lisp_Object array, Lisp_Object idx) |
7921925c | 2063 | { |
ace1712c | 2064 | register EMACS_INT idxval; |
7921925c | 2065 | |
b7826503 | 2066 | CHECK_NUMBER (idx); |
7921925c | 2067 | idxval = XINT (idx); |
e9ebc175 | 2068 | if (STRINGP (array)) |
7921925c | 2069 | { |
ace1712c | 2070 | int c; |
d311d28c | 2071 | ptrdiff_t idxval_byte; |
25638b07 | 2072 | |
d5db4077 | 2073 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2074 | args_out_of_range (array, idx); |
25638b07 | 2075 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2076 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2077 | idxval_byte = string_char_to_byte (array, idxval); |
2078 | ||
62a6e103 | 2079 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2080 | return make_number (c); |
7921925c | 2081 | } |
4d276982 RS |
2082 | else if (BOOL_VECTOR_P (array)) |
2083 | { | |
2084 | int val; | |
4d276982 RS |
2085 | |
2086 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2087 | args_out_of_range (array, idx); | |
2088 | ||
b9ed2177 AS |
2089 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
2090 | return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil); | |
4d276982 RS |
2091 | } |
2092 | else if (CHAR_TABLE_P (array)) | |
2093 | { | |
e6e1f521 KH |
2094 | CHECK_CHARACTER (idx); |
2095 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2096 | } |
7921925c | 2097 | else |
c24e4efe | 2098 | { |
90d8445b | 2099 | ptrdiff_t size = 0; |
7f358972 | 2100 | if (VECTORP (array)) |
77b37c05 | 2101 | size = ASIZE (array); |
876c194c | 2102 | else if (COMPILEDP (array)) |
77b37c05 | 2103 | size = ASIZE (array) & PSEUDOVECTOR_SIZE_MASK; |
7f358972 RS |
2104 | else |
2105 | wrong_type_argument (Qarrayp, array); | |
2106 | ||
2107 | if (idxval < 0 || idxval >= size) | |
c24e4efe | 2108 | args_out_of_range (array, idx); |
b9598260 | 2109 | return AREF (array, idxval); |
c24e4efe | 2110 | } |
7921925c JB |
2111 | } |
2112 | ||
a7ca3326 | 2113 | DEFUN ("aset", Faset, Saset, 3, 3, 0, |
8c1a1077 | 2114 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2115 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2116 | bool-vector. IDX starts at 0. */) | |
5842a27b | 2117 | (register Lisp_Object array, Lisp_Object idx, Lisp_Object newelt) |
7921925c | 2118 | { |
ace1712c | 2119 | register EMACS_INT idxval; |
7921925c | 2120 | |
b7826503 | 2121 | CHECK_NUMBER (idx); |
7921925c | 2122 | idxval = XINT (idx); |
0c64a8cd | 2123 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2124 | CHECK_IMPURE (array); |
2125 | ||
e9ebc175 | 2126 | if (VECTORP (array)) |
c24e4efe | 2127 | { |
77b37c05 | 2128 | if (idxval < 0 || idxval >= ASIZE (array)) |
c24e4efe | 2129 | args_out_of_range (array, idx); |
28be1ada | 2130 | ASET (array, idxval, newelt); |
c24e4efe | 2131 | } |
4d276982 RS |
2132 | else if (BOOL_VECTOR_P (array)) |
2133 | { | |
2134 | int val; | |
4d276982 RS |
2135 | |
2136 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2137 | args_out_of_range (array, idx); | |
2138 | ||
b9ed2177 | 2139 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
4d276982 RS |
2140 | |
2141 | if (! NILP (newelt)) | |
b9ed2177 | 2142 | val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR); |
4d276982 | 2143 | else |
b9ed2177 AS |
2144 | val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)); |
2145 | XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val; | |
4d276982 RS |
2146 | } |
2147 | else if (CHAR_TABLE_P (array)) | |
2148 | { | |
e6e1f521 KH |
2149 | CHECK_CHARACTER (idx); |
2150 | CHAR_TABLE_SET (array, idxval, newelt); | |
4d276982 | 2151 | } |
0fed43f3 | 2152 | else |
25638b07 | 2153 | { |
13bdea59 | 2154 | int c; |
25638b07 | 2155 | |
d5db4077 | 2156 | if (idxval < 0 || idxval >= SCHARS (array)) |
25638b07 | 2157 | args_out_of_range (array, idx); |
d9130605 | 2158 | CHECK_CHARACTER (newelt); |
13bdea59 | 2159 | c = XFASTINT (newelt); |
25638b07 | 2160 | |
0fed43f3 | 2161 | if (STRING_MULTIBYTE (array)) |
3c9de1af | 2162 | { |
d311d28c PE |
2163 | ptrdiff_t idxval_byte, nbytes; |
2164 | int prev_bytes, new_bytes; | |
0fed43f3 PE |
2165 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1; |
2166 | ||
2167 | nbytes = SBYTES (array); | |
2168 | idxval_byte = string_char_to_byte (array, idxval); | |
d5db4077 | 2169 | p1 = SDATA (array) + idxval_byte; |
0fed43f3 PE |
2170 | prev_bytes = BYTES_BY_CHAR_HEAD (*p1); |
2171 | new_bytes = CHAR_STRING (c, p0); | |
2172 | if (prev_bytes != new_bytes) | |
2173 | { | |
2174 | /* We must relocate the string data. */ | |
d311d28c | 2175 | ptrdiff_t nchars = SCHARS (array); |
0fed43f3 | 2176 | USE_SAFE_ALLOCA; |
98c6f1e3 | 2177 | unsigned char *str = SAFE_ALLOCA (nbytes); |
0fed43f3 | 2178 | |
0fed43f3 PE |
2179 | memcpy (str, SDATA (array), nbytes); |
2180 | allocate_string_data (XSTRING (array), nchars, | |
2181 | nbytes + new_bytes - prev_bytes); | |
2182 | memcpy (SDATA (array), str, idxval_byte); | |
2183 | p1 = SDATA (array) + idxval_byte; | |
2184 | memcpy (p1 + new_bytes, str + idxval_byte + prev_bytes, | |
2185 | nbytes - (idxval_byte + prev_bytes)); | |
2186 | SAFE_FREE (); | |
2187 | clear_string_char_byte_cache (); | |
2188 | } | |
2189 | while (new_bytes--) | |
2190 | *p1++ = *p0++; | |
3c9de1af | 2191 | } |
0fed43f3 | 2192 | else |
5dff5999 | 2193 | { |
0fed43f3 PE |
2194 | if (! SINGLE_BYTE_CHAR_P (c)) |
2195 | { | |
2196 | int i; | |
2197 | ||
2198 | for (i = SBYTES (array) - 1; i >= 0; i--) | |
2199 | if (SREF (array, i) >= 0x80) | |
2200 | args_out_of_range (array, newelt); | |
2201 | /* ARRAY is an ASCII string. Convert it to a multibyte | |
2202 | string, and try `aset' again. */ | |
2203 | STRING_SET_MULTIBYTE (array); | |
2204 | return Faset (array, idx, newelt); | |
2205 | } | |
2206 | SSET (array, idxval, c); | |
5dff5999 | 2207 | } |
7921925c JB |
2208 | } |
2209 | ||
2210 | return newelt; | |
2211 | } | |
7921925c JB |
2212 | \f |
2213 | /* Arithmetic functions */ | |
2214 | ||
2215 | enum comparison { equal, notequal, less, grtr, less_or_equal, grtr_or_equal }; | |
2216 | ||
112396d6 | 2217 | static Lisp_Object |
971de7fb | 2218 | arithcompare (Lisp_Object num1, Lisp_Object num2, enum comparison comparison) |
7921925c | 2219 | { |
6bbd7a29 | 2220 | double f1 = 0, f2 = 0; |
de1339b0 | 2221 | bool floatp = 0; |
7921925c | 2222 | |
b7826503 PJ |
2223 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2224 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2225 | |
e9ebc175 | 2226 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2227 | { |
2228 | floatp = 1; | |
7539e11f KR |
2229 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2230 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2231 | } |
7921925c JB |
2232 | |
2233 | switch (comparison) | |
2234 | { | |
2235 | case equal: | |
2236 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) | |
2237 | return Qt; | |
2238 | return Qnil; | |
2239 | ||
2240 | case notequal: | |
2241 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) | |
2242 | return Qt; | |
2243 | return Qnil; | |
2244 | ||
2245 | case less: | |
2246 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) | |
2247 | return Qt; | |
2248 | return Qnil; | |
2249 | ||
2250 | case less_or_equal: | |
2251 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) | |
2252 | return Qt; | |
2253 | return Qnil; | |
2254 | ||
2255 | case grtr: | |
2256 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) | |
2257 | return Qt; | |
2258 | return Qnil; | |
2259 | ||
2260 | case grtr_or_equal: | |
2261 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) | |
2262 | return Qt; | |
2263 | return Qnil; | |
25e40a4b JB |
2264 | |
2265 | default: | |
1088b922 | 2266 | emacs_abort (); |
7921925c JB |
2267 | } |
2268 | } | |
2269 | ||
2270 | DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0, | |
8c1a1077 | 2271 | doc: /* Return t if two args, both numbers or markers, are equal. */) |
5842a27b | 2272 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2273 | { |
2274 | return arithcompare (num1, num2, equal); | |
2275 | } | |
2276 | ||
a7ca3326 | 2277 | DEFUN ("<", Flss, Slss, 2, 2, 0, |
8c1a1077 | 2278 | doc: /* Return t if first arg is less than second arg. Both must be numbers or markers. */) |
5842a27b | 2279 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2280 | { |
2281 | return arithcompare (num1, num2, less); | |
2282 | } | |
2283 | ||
a7ca3326 | 2284 | DEFUN (">", Fgtr, Sgtr, 2, 2, 0, |
8c1a1077 | 2285 | doc: /* Return t if first arg is greater than second arg. Both must be numbers or markers. */) |
5842a27b | 2286 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2287 | { |
2288 | return arithcompare (num1, num2, grtr); | |
2289 | } | |
2290 | ||
a7ca3326 | 2291 | DEFUN ("<=", Fleq, Sleq, 2, 2, 0, |
8c1a1077 PJ |
2292 | doc: /* Return t if first arg is less than or equal to second arg. |
2293 | Both must be numbers or markers. */) | |
5842a27b | 2294 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2295 | { |
2296 | return arithcompare (num1, num2, less_or_equal); | |
2297 | } | |
2298 | ||
a7ca3326 | 2299 | DEFUN (">=", Fgeq, Sgeq, 2, 2, 0, |
8c1a1077 PJ |
2300 | doc: /* Return t if first arg is greater than or equal to second arg. |
2301 | Both must be numbers or markers. */) | |
5842a27b | 2302 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2303 | { |
2304 | return arithcompare (num1, num2, grtr_or_equal); | |
2305 | } | |
2306 | ||
2307 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 | 2308 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
5842a27b | 2309 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2310 | { |
2311 | return arithcompare (num1, num2, notequal); | |
2312 | } | |
2313 | ||
a7ca3326 | 2314 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
8c1a1077 | 2315 | doc: /* Return t if NUMBER is zero. */) |
5842a27b | 2316 | (register Lisp_Object number) |
7921925c | 2317 | { |
b7826503 | 2318 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2319 | |
d9c2a0f2 | 2320 | if (FLOATP (number)) |
7921925c | 2321 | { |
7539e11f | 2322 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2323 | return Qt; |
2324 | return Qnil; | |
2325 | } | |
7921925c | 2326 | |
d9c2a0f2 | 2327 | if (!XINT (number)) |
7921925c JB |
2328 | return Qt; |
2329 | return Qnil; | |
2330 | } | |
2331 | \f | |
be44ca6c PE |
2332 | /* Convert the cons-of-integers, integer, or float value C to an |
2333 | unsigned value with maximum value MAX. Signal an error if C does not | |
2334 | have a valid format or is out of range. */ | |
2335 | uintmax_t | |
2336 | cons_to_unsigned (Lisp_Object c, uintmax_t max) | |
2337 | { | |
de1339b0 | 2338 | bool valid = 0; |
be44ca6c PE |
2339 | uintmax_t val IF_LINT (= 0); |
2340 | if (INTEGERP (c)) | |
2341 | { | |
2342 | valid = 0 <= XINT (c); | |
2343 | val = XINT (c); | |
2344 | } | |
2345 | else if (FLOATP (c)) | |
2346 | { | |
2347 | double d = XFLOAT_DATA (c); | |
2348 | if (0 <= d | |
2349 | && d < (max == UINTMAX_MAX ? (double) UINTMAX_MAX + 1 : max + 1)) | |
2350 | { | |
2351 | val = d; | |
2352 | valid = 1; | |
2353 | } | |
2354 | } | |
2355 | else if (CONSP (c) && NATNUMP (XCAR (c))) | |
2356 | { | |
2357 | uintmax_t top = XFASTINT (XCAR (c)); | |
2358 | Lisp_Object rest = XCDR (c); | |
2359 | if (top <= UINTMAX_MAX >> 24 >> 16 | |
2360 | && CONSP (rest) | |
2361 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2362 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2363 | { | |
2364 | uintmax_t mid = XFASTINT (XCAR (rest)); | |
2365 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2366 | valid = 1; | |
2367 | } | |
2368 | else if (top <= UINTMAX_MAX >> 16) | |
2369 | { | |
2370 | if (CONSP (rest)) | |
2371 | rest = XCAR (rest); | |
2372 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2373 | { | |
2374 | val = top << 16 | XFASTINT (rest); | |
2375 | valid = 1; | |
2376 | } | |
2377 | } | |
2378 | } | |
51cf3e31 | 2379 | |
be44ca6c PE |
2380 | if (! (valid && val <= max)) |
2381 | error ("Not an in-range integer, float, or cons of integers"); | |
2382 | return val; | |
51cf3e31 JB |
2383 | } |
2384 | ||
be44ca6c PE |
2385 | /* Convert the cons-of-integers, integer, or float value C to a signed |
2386 | value with extrema MIN and MAX. Signal an error if C does not have | |
2387 | a valid format or is out of range. */ | |
2388 | intmax_t | |
2389 | cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max) | |
51cf3e31 | 2390 | { |
de1339b0 | 2391 | bool valid = 0; |
be44ca6c | 2392 | intmax_t val IF_LINT (= 0); |
51cf3e31 | 2393 | if (INTEGERP (c)) |
be44ca6c PE |
2394 | { |
2395 | val = XINT (c); | |
2396 | valid = 1; | |
2397 | } | |
2398 | else if (FLOATP (c)) | |
2399 | { | |
2400 | double d = XFLOAT_DATA (c); | |
2401 | if (min <= d | |
2402 | && d < (max == INTMAX_MAX ? (double) INTMAX_MAX + 1 : max + 1)) | |
2403 | { | |
2404 | val = d; | |
2405 | valid = 1; | |
2406 | } | |
2407 | } | |
2408 | else if (CONSP (c) && INTEGERP (XCAR (c))) | |
2409 | { | |
2410 | intmax_t top = XINT (XCAR (c)); | |
2411 | Lisp_Object rest = XCDR (c); | |
2412 | if (INTMAX_MIN >> 24 >> 16 <= top && top <= INTMAX_MAX >> 24 >> 16 | |
2413 | && CONSP (rest) | |
2414 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2415 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2416 | { | |
2417 | intmax_t mid = XFASTINT (XCAR (rest)); | |
2418 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2419 | valid = 1; | |
2420 | } | |
2421 | else if (INTMAX_MIN >> 16 <= top && top <= INTMAX_MAX >> 16) | |
2422 | { | |
2423 | if (CONSP (rest)) | |
2424 | rest = XCAR (rest); | |
2425 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2426 | { | |
2427 | val = top << 16 | XFASTINT (rest); | |
2428 | valid = 1; | |
2429 | } | |
2430 | } | |
2431 | } | |
2432 | ||
2433 | if (! (valid && min <= val && val <= max)) | |
2434 | error ("Not an in-range integer, float, or cons of integers"); | |
2435 | return val; | |
51cf3e31 JB |
2436 | } |
2437 | \f | |
a7ca3326 | 2438 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2439 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2440 | Uses a minus sign if negative. |
2441 | NUMBER may be an integer or a floating point number. */) | |
5842a27b | 2442 | (Lisp_Object number) |
7921925c | 2443 | { |
99027bdd PE |
2444 | char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))]; |
2445 | int len; | |
7921925c | 2446 | |
b7826503 | 2447 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2448 | |
d9c2a0f2 | 2449 | if (FLOATP (number)) |
99027bdd PE |
2450 | len = float_to_string (buffer, XFLOAT_DATA (number)); |
2451 | else | |
2452 | len = sprintf (buffer, "%"pI"d", XINT (number)); | |
7921925c | 2453 | |
99027bdd | 2454 | return make_unibyte_string (buffer, len); |
7921925c JB |
2455 | } |
2456 | ||
a7ca3326 | 2457 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, |
558ee900 | 2458 | doc: /* Parse STRING as a decimal number and return the number. |
8c1a1077 | 2459 | This parses both integers and floating point numbers. |
be95bee9 | 2460 | It ignores leading spaces and tabs, and all trailing chars. |
8c1a1077 PJ |
2461 | |
2462 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2463 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
be95bee9 | 2464 | If the base used is not 10, STRING is always parsed as integer. */) |
5842a27b | 2465 | (register Lisp_Object string, Lisp_Object base) |
7921925c | 2466 | { |
57ace6d0 | 2467 | register char *p; |
342858a5 | 2468 | register int b; |
452f4150 | 2469 | Lisp_Object val; |
25e40a4b | 2470 | |
b7826503 | 2471 | CHECK_STRING (string); |
7921925c | 2472 | |
3883fbeb RS |
2473 | if (NILP (base)) |
2474 | b = 10; | |
2475 | else | |
2476 | { | |
b7826503 | 2477 | CHECK_NUMBER (base); |
d311d28c | 2478 | if (! (2 <= XINT (base) && XINT (base) <= 16)) |
740ef0b5 | 2479 | xsignal1 (Qargs_out_of_range, base); |
d311d28c | 2480 | b = XINT (base); |
3883fbeb RS |
2481 | } |
2482 | ||
57ace6d0 | 2483 | p = SSDATA (string); |
0a3e4d65 | 2484 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2485 | p++; |
2486 | ||
452f4150 PE |
2487 | val = string_to_number (p, b, 1); |
2488 | return NILP (val) ? make_number (0) : val; | |
7921925c | 2489 | } |
7403b5c8 | 2490 | \f |
7921925c | 2491 | enum arithop |
7a283f36 GM |
2492 | { |
2493 | Aadd, | |
2494 | Asub, | |
2495 | Amult, | |
2496 | Adiv, | |
2497 | Alogand, | |
2498 | Alogior, | |
2499 | Alogxor, | |
2500 | Amax, | |
2501 | Amin | |
2502 | }; | |
2503 | ||
f66c7cf8 PE |
2504 | static Lisp_Object float_arith_driver (double, ptrdiff_t, enum arithop, |
2505 | ptrdiff_t, Lisp_Object *); | |
112396d6 | 2506 | static Lisp_Object |
f66c7cf8 | 2507 | arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2508 | { |
de1339b0 PE |
2509 | Lisp_Object val; |
2510 | ptrdiff_t argnum, ok_args; | |
2511 | EMACS_INT accum = 0; | |
2512 | EMACS_INT next, ok_accum; | |
2513 | bool overflow = 0; | |
0ae6bdee | 2514 | |
7393bcbb | 2515 | switch (code) |
7921925c JB |
2516 | { |
2517 | case Alogior: | |
2518 | case Alogxor: | |
2519 | case Aadd: | |
2520 | case Asub: | |
7a283f36 GM |
2521 | accum = 0; |
2522 | break; | |
7921925c | 2523 | case Amult: |
7a283f36 GM |
2524 | accum = 1; |
2525 | break; | |
7921925c | 2526 | case Alogand: |
7a283f36 GM |
2527 | accum = -1; |
2528 | break; | |
2529 | default: | |
2530 | break; | |
7921925c JB |
2531 | } |
2532 | ||
2533 | for (argnum = 0; argnum < nargs; argnum++) | |
2534 | { | |
0ae6bdee PE |
2535 | if (! overflow) |
2536 | { | |
2537 | ok_args = argnum; | |
2538 | ok_accum = accum; | |
2539 | } | |
2540 | ||
7a283f36 GM |
2541 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2542 | val = args[argnum]; | |
b7826503 | 2543 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2544 | |
7a283f36 | 2545 | if (FLOATP (val)) |
0ae6bdee | 2546 | return float_arith_driver (ok_accum, ok_args, code, |
7a283f36 GM |
2547 | nargs, args); |
2548 | args[argnum] = val; | |
7921925c | 2549 | next = XINT (args[argnum]); |
7393bcbb | 2550 | switch (code) |
7921925c | 2551 | { |
7a283f36 | 2552 | case Aadd: |
0ae6bdee PE |
2553 | if (INT_ADD_OVERFLOW (accum, next)) |
2554 | { | |
2555 | overflow = 1; | |
2556 | accum &= INTMASK; | |
2557 | } | |
7a283f36 GM |
2558 | accum += next; |
2559 | break; | |
7921925c | 2560 | case Asub: |
0ae6bdee PE |
2561 | if (INT_SUBTRACT_OVERFLOW (accum, next)) |
2562 | { | |
2563 | overflow = 1; | |
2564 | accum &= INTMASK; | |
2565 | } | |
e64981da | 2566 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2567 | break; |
7a283f36 | 2568 | case Amult: |
0ae6bdee PE |
2569 | if (INT_MULTIPLY_OVERFLOW (accum, next)) |
2570 | { | |
c8a9ca5a | 2571 | EMACS_UINT a = accum, b = next, ab = a * b; |
0ae6bdee | 2572 | overflow = 1; |
c8a9ca5a | 2573 | accum = ab & INTMASK; |
0ae6bdee PE |
2574 | } |
2575 | else | |
2576 | accum *= next; | |
7a283f36 | 2577 | break; |
7921925c | 2578 | case Adiv: |
7a283f36 GM |
2579 | if (!argnum) |
2580 | accum = next; | |
87fbf902 RS |
2581 | else |
2582 | { | |
2583 | if (next == 0) | |
740ef0b5 | 2584 | xsignal0 (Qarith_error); |
87fbf902 RS |
2585 | accum /= next; |
2586 | } | |
7921925c | 2587 | break; |
7a283f36 GM |
2588 | case Alogand: |
2589 | accum &= next; | |
2590 | break; | |
2591 | case Alogior: | |
2592 | accum |= next; | |
2593 | break; | |
2594 | case Alogxor: | |
2595 | accum ^= next; | |
2596 | break; | |
2597 | case Amax: | |
2598 | if (!argnum || next > accum) | |
2599 | accum = next; | |
2600 | break; | |
2601 | case Amin: | |
2602 | if (!argnum || next < accum) | |
2603 | accum = next; | |
2604 | break; | |
7921925c JB |
2605 | } |
2606 | } | |
2607 | ||
f187f1f7 | 2608 | XSETINT (val, accum); |
7921925c JB |
2609 | return val; |
2610 | } | |
2611 | ||
1a2f2d33 KH |
2612 | #undef isnan |
2613 | #define isnan(x) ((x) != (x)) | |
2614 | ||
7a283f36 | 2615 | static Lisp_Object |
f66c7cf8 PE |
2616 | float_arith_driver (double accum, ptrdiff_t argnum, enum arithop code, |
2617 | ptrdiff_t nargs, Lisp_Object *args) | |
7921925c JB |
2618 | { |
2619 | register Lisp_Object val; | |
2620 | double next; | |
7403b5c8 | 2621 | |
7921925c JB |
2622 | for (; argnum < nargs; argnum++) |
2623 | { | |
2624 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2625 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2626 | |
e9ebc175 | 2627 | if (FLOATP (val)) |
7921925c | 2628 | { |
7539e11f | 2629 | next = XFLOAT_DATA (val); |
7921925c JB |
2630 | } |
2631 | else | |
2632 | { | |
2633 | args[argnum] = val; /* runs into a compiler bug. */ | |
2634 | next = XINT (args[argnum]); | |
2635 | } | |
7393bcbb | 2636 | switch (code) |
7921925c JB |
2637 | { |
2638 | case Aadd: | |
2639 | accum += next; | |
2640 | break; | |
2641 | case Asub: | |
e64981da | 2642 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2643 | break; |
2644 | case Amult: | |
2645 | accum *= next; | |
2646 | break; | |
2647 | case Adiv: | |
2648 | if (!argnum) | |
2649 | accum = next; | |
2650 | else | |
87fbf902 | 2651 | { |
ad8d56b9 | 2652 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2653 | xsignal0 (Qarith_error); |
87fbf902 RS |
2654 | accum /= next; |
2655 | } | |
7921925c JB |
2656 | break; |
2657 | case Alogand: | |
2658 | case Alogior: | |
2659 | case Alogxor: | |
2660 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2661 | case Amax: | |
1a2f2d33 | 2662 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2663 | accum = next; |
2664 | break; | |
2665 | case Amin: | |
1a2f2d33 | 2666 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2667 | accum = next; |
2668 | break; | |
2669 | } | |
2670 | } | |
2671 | ||
2672 | return make_float (accum); | |
2673 | } | |
cc94f3b2 | 2674 | |
7921925c | 2675 | |
a7ca3326 | 2676 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, |
8c1a1077 PJ |
2677 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2678 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
f66c7cf8 | 2679 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2680 | { |
2681 | return arith_driver (Aadd, nargs, args); | |
2682 | } | |
2683 | ||
a7ca3326 | 2684 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, |
558ee900 | 2685 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2686 | With one arg, negates it. With more than one arg, |
f44fba9e | 2687 | subtracts all but the first from the first. |
8c1a1077 | 2688 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2689 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2690 | { |
2691 | return arith_driver (Asub, nargs, args); | |
2692 | } | |
2693 | ||
a7ca3326 | 2694 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, |
be24eadf | 2695 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 | 2696 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2697 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2698 | { |
2699 | return arith_driver (Amult, nargs, args); | |
2700 | } | |
2701 | ||
32e5c58c | 2702 | DEFUN ("/", Fquo, Squo, 1, MANY, 0, |
be24eadf | 2703 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2704 | The arguments must be numbers or markers. |
32e5c58c | 2705 | usage: (/ DIVIDEND &rest DIVISORS) */) |
f66c7cf8 | 2706 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2707 | { |
f66c7cf8 | 2708 | ptrdiff_t argnum; |
7ef98053 | 2709 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2710 | if (FLOATP (args[argnum])) |
2711 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2712 | return arith_driver (Adiv, nargs, args); |
2713 | } | |
2714 | ||
a7ca3326 | 2715 | DEFUN ("%", Frem, Srem, 2, 2, 0, |
be24eadf | 2716 | doc: /* Return remainder of X divided by Y. |
8c1a1077 | 2717 | Both must be integers or markers. */) |
5842a27b | 2718 | (register Lisp_Object x, Lisp_Object y) |
7921925c JB |
2719 | { |
2720 | Lisp_Object val; | |
2721 | ||
b7826503 PJ |
2722 | CHECK_NUMBER_COERCE_MARKER (x); |
2723 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2724 | |
d311d28c | 2725 | if (XINT (y) == 0) |
740ef0b5 | 2726 | xsignal0 (Qarith_error); |
87fbf902 | 2727 | |
d9c2a0f2 | 2728 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2729 | return val; |
2730 | } | |
2731 | ||
44fa9da5 | 2732 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2733 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2734 | The result falls between zero (inclusive) and Y (exclusive). |
2735 | Both X and Y must be numbers or markers. */) | |
5842a27b | 2736 | (register Lisp_Object x, Lisp_Object y) |
44fa9da5 PE |
2737 | { |
2738 | Lisp_Object val; | |
5260234d | 2739 | EMACS_INT i1, i2; |
44fa9da5 | 2740 | |
b7826503 PJ |
2741 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2742 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2743 | |
d9c2a0f2 | 2744 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2745 | return fmod_float (x, y); |
2746 | ||
d9c2a0f2 EN |
2747 | i1 = XINT (x); |
2748 | i2 = XINT (y); | |
44fa9da5 PE |
2749 | |
2750 | if (i2 == 0) | |
740ef0b5 | 2751 | xsignal0 (Qarith_error); |
7403b5c8 | 2752 | |
44fa9da5 PE |
2753 | i1 %= i2; |
2754 | ||
2755 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2756 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2757 | i1 += i2; |
2758 | ||
f187f1f7 | 2759 | XSETINT (val, i1); |
44fa9da5 PE |
2760 | return val; |
2761 | } | |
2762 | ||
a7ca3326 | 2763 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2764 | doc: /* Return largest of all the arguments (which must be numbers or markers). |
f44fba9e | 2765 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2766 | usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2767 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2768 | { |
2769 | return arith_driver (Amax, nargs, args); | |
2770 | } | |
2771 | ||
a7ca3326 | 2772 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, |
8c1a1077 | 2773 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2774 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2775 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2776 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2777 | { |
2778 | return arith_driver (Amin, nargs, args); | |
2779 | } | |
2780 | ||
2781 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2782 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2783 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2784 | usage: (logand &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2785 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2786 | { |
2787 | return arith_driver (Alogand, nargs, args); | |
2788 | } | |
2789 | ||
2790 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2791 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2792 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2793 | usage: (logior &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2794 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2795 | { |
2796 | return arith_driver (Alogior, nargs, args); | |
2797 | } | |
2798 | ||
2799 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2800 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2801 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2802 | usage: (logxor &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2803 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2804 | { |
2805 | return arith_driver (Alogxor, nargs, args); | |
2806 | } | |
2807 | ||
2808 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2809 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2810 | If COUNT is negative, shifting is actually to the right. | |
2811 | In this case, the sign bit is duplicated. */) | |
5842a27b | 2812 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2813 | { |
2814 | register Lisp_Object val; | |
2815 | ||
b7826503 PJ |
2816 | CHECK_NUMBER (value); |
2817 | CHECK_NUMBER (count); | |
7921925c | 2818 | |
81d70626 RS |
2819 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2820 | XSETINT (val, 0); | |
2821 | else if (XINT (count) > 0) | |
3d9652eb | 2822 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2823 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2824 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2825 | else |
3d9652eb | 2826 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2827 | return val; |
2828 | } | |
2829 | ||
2830 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2831 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2832 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2833 | In this case, zeros are shifted in on the left. */) |
5842a27b | 2834 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2835 | { |
2836 | register Lisp_Object val; | |
2837 | ||
b7826503 PJ |
2838 | CHECK_NUMBER (value); |
2839 | CHECK_NUMBER (count); | |
7921925c | 2840 | |
81d70626 RS |
2841 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2842 | XSETINT (val, 0); | |
2843 | else if (XINT (count) > 0) | |
c8a9ca5a | 2844 | XSETINT (val, XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2845 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2846 | XSETINT (val, 0); | |
7921925c | 2847 | else |
c8a9ca5a | 2848 | XSETINT (val, XUINT (value) >> -XINT (count)); |
7921925c JB |
2849 | return val; |
2850 | } | |
2851 | ||
a7ca3326 | 2852 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, |
8c1a1077 PJ |
2853 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2854 | Markers are converted to integers. */) | |
5842a27b | 2855 | (register Lisp_Object number) |
7921925c | 2856 | { |
b7826503 | 2857 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2858 | |
d9c2a0f2 | 2859 | if (FLOATP (number)) |
7539e11f | 2860 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2861 | |
d9c2a0f2 EN |
2862 | XSETINT (number, XINT (number) + 1); |
2863 | return number; | |
7921925c JB |
2864 | } |
2865 | ||
a7ca3326 | 2866 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, |
8c1a1077 PJ |
2867 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2868 | Markers are converted to integers. */) | |
5842a27b | 2869 | (register Lisp_Object number) |
7921925c | 2870 | { |
b7826503 | 2871 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2872 | |
d9c2a0f2 | 2873 | if (FLOATP (number)) |
7539e11f | 2874 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2875 | |
d9c2a0f2 EN |
2876 | XSETINT (number, XINT (number) - 1); |
2877 | return number; | |
7921925c JB |
2878 | } |
2879 | ||
2880 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 | 2881 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
5842a27b | 2882 | (register Lisp_Object number) |
7921925c | 2883 | { |
b7826503 | 2884 | CHECK_NUMBER (number); |
53924017 | 2885 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2886 | return number; |
7921925c | 2887 | } |
6b61353c | 2888 | |
a7ca3326 | 2889 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, |
6b61353c KH |
2890 | doc: /* Return the byteorder for the machine. |
2891 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2892 | lowercase l) for small endian machines. */) | |
5842a27b | 2893 | (void) |
6b61353c KH |
2894 | { |
2895 | unsigned i = 0x04030201; | |
2896 | int order = *(char *)&i == 1 ? 108 : 66; | |
2897 | ||
2898 | return make_number (order); | |
2899 | } | |
2900 | ||
2901 | ||
7921925c JB |
2902 | \f |
2903 | void | |
971de7fb | 2904 | syms_of_data (void) |
7921925c | 2905 | { |
6315e761 RS |
2906 | Lisp_Object error_tail, arith_tail; |
2907 | ||
620c53a6 SM |
2908 | DEFSYM (Qquote, "quote"); |
2909 | DEFSYM (Qlambda, "lambda"); | |
2910 | DEFSYM (Qsubr, "subr"); | |
2911 | DEFSYM (Qerror_conditions, "error-conditions"); | |
2912 | DEFSYM (Qerror_message, "error-message"); | |
2913 | DEFSYM (Qtop_level, "top-level"); | |
2914 | ||
2915 | DEFSYM (Qerror, "error"); | |
71873e2b | 2916 | DEFSYM (Quser_error, "user-error"); |
620c53a6 SM |
2917 | DEFSYM (Qquit, "quit"); |
2918 | DEFSYM (Qwrong_type_argument, "wrong-type-argument"); | |
2919 | DEFSYM (Qargs_out_of_range, "args-out-of-range"); | |
2920 | DEFSYM (Qvoid_function, "void-function"); | |
2921 | DEFSYM (Qcyclic_function_indirection, "cyclic-function-indirection"); | |
2922 | DEFSYM (Qcyclic_variable_indirection, "cyclic-variable-indirection"); | |
2923 | DEFSYM (Qvoid_variable, "void-variable"); | |
2924 | DEFSYM (Qsetting_constant, "setting-constant"); | |
2925 | DEFSYM (Qinvalid_read_syntax, "invalid-read-syntax"); | |
2926 | ||
2927 | DEFSYM (Qinvalid_function, "invalid-function"); | |
2928 | DEFSYM (Qwrong_number_of_arguments, "wrong-number-of-arguments"); | |
2929 | DEFSYM (Qno_catch, "no-catch"); | |
2930 | DEFSYM (Qend_of_file, "end-of-file"); | |
2931 | DEFSYM (Qarith_error, "arith-error"); | |
2932 | DEFSYM (Qbeginning_of_buffer, "beginning-of-buffer"); | |
2933 | DEFSYM (Qend_of_buffer, "end-of-buffer"); | |
2934 | DEFSYM (Qbuffer_read_only, "buffer-read-only"); | |
2935 | DEFSYM (Qtext_read_only, "text-read-only"); | |
2936 | DEFSYM (Qmark_inactive, "mark-inactive"); | |
2937 | ||
2938 | DEFSYM (Qlistp, "listp"); | |
2939 | DEFSYM (Qconsp, "consp"); | |
2940 | DEFSYM (Qsymbolp, "symbolp"); | |
2941 | DEFSYM (Qkeywordp, "keywordp"); | |
2942 | DEFSYM (Qintegerp, "integerp"); | |
2943 | DEFSYM (Qnatnump, "natnump"); | |
2944 | DEFSYM (Qwholenump, "wholenump"); | |
2945 | DEFSYM (Qstringp, "stringp"); | |
2946 | DEFSYM (Qarrayp, "arrayp"); | |
2947 | DEFSYM (Qsequencep, "sequencep"); | |
2948 | DEFSYM (Qbufferp, "bufferp"); | |
2949 | DEFSYM (Qvectorp, "vectorp"); | |
2950 | DEFSYM (Qchar_or_string_p, "char-or-string-p"); | |
2951 | DEFSYM (Qmarkerp, "markerp"); | |
2952 | DEFSYM (Qbuffer_or_string_p, "buffer-or-string-p"); | |
2953 | DEFSYM (Qinteger_or_marker_p, "integer-or-marker-p"); | |
2954 | DEFSYM (Qboundp, "boundp"); | |
2955 | DEFSYM (Qfboundp, "fboundp"); | |
2956 | ||
2957 | DEFSYM (Qfloatp, "floatp"); | |
2958 | DEFSYM (Qnumberp, "numberp"); | |
2959 | DEFSYM (Qnumber_or_marker_p, "number-or-marker-p"); | |
2960 | ||
2961 | DEFSYM (Qchar_table_p, "char-table-p"); | |
2962 | DEFSYM (Qvector_or_char_table_p, "vector-or-char-table-p"); | |
2963 | ||
2964 | DEFSYM (Qsubrp, "subrp"); | |
2965 | DEFSYM (Qunevalled, "unevalled"); | |
2966 | DEFSYM (Qmany, "many"); | |
2967 | ||
2968 | DEFSYM (Qcdr, "cdr"); | |
2969 | ||
2970 | /* Handle automatic advice activation. */ | |
2971 | DEFSYM (Qad_advice_info, "ad-advice-info"); | |
2972 | DEFSYM (Qad_activate_internal, "ad-activate-internal"); | |
f845f2c9 | 2973 | |
d67b4f80 | 2974 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 2975 | |
620c53a6 SM |
2976 | /* ERROR is used as a signaler for random errors for which nothing else is |
2977 | right. */ | |
7921925c JB |
2978 | |
2979 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 2980 | error_tail); |
7921925c | 2981 | Fput (Qerror, Qerror_message, |
2a0213a6 | 2982 | build_pure_c_string ("error")); |
7921925c | 2983 | |
71873e2b SM |
2984 | #define PUT_ERROR(sym, tail, msg) \ |
2985 | Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \ | |
2a0213a6 | 2986 | Fput (sym, Qerror_message, build_pure_c_string (msg)) |
71873e2b SM |
2987 | |
2988 | PUT_ERROR (Qquit, Qnil, "Quit"); | |
2989 | ||
2990 | PUT_ERROR (Quser_error, error_tail, ""); | |
2991 | PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument"); | |
2992 | PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range"); | |
2993 | PUT_ERROR (Qvoid_function, error_tail, | |
2994 | "Symbol's function definition is void"); | |
2995 | PUT_ERROR (Qcyclic_function_indirection, error_tail, | |
2996 | "Symbol's chain of function indirections contains a loop"); | |
2997 | PUT_ERROR (Qcyclic_variable_indirection, error_tail, | |
2998 | "Symbol's chain of variable indirections contains a loop"); | |
620c53a6 | 2999 | DEFSYM (Qcircular_list, "circular-list"); |
71873e2b SM |
3000 | PUT_ERROR (Qcircular_list, error_tail, "List contains a loop"); |
3001 | PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void"); | |
3002 | PUT_ERROR (Qsetting_constant, error_tail, | |
3003 | "Attempt to set a constant symbol"); | |
3004 | PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax"); | |
3005 | PUT_ERROR (Qinvalid_function, error_tail, "Invalid function"); | |
3006 | PUT_ERROR (Qwrong_number_of_arguments, error_tail, | |
3007 | "Wrong number of arguments"); | |
3008 | PUT_ERROR (Qno_catch, error_tail, "No catch for tag"); | |
3009 | PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing"); | |
7921925c | 3010 | |
d67b4f80 | 3011 | arith_tail = pure_cons (Qarith_error, error_tail); |
71873e2b | 3012 | Fput (Qarith_error, Qerror_conditions, arith_tail); |
2a0213a6 | 3013 | Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error")); |
71873e2b SM |
3014 | |
3015 | PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer"); | |
3016 | PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer"); | |
3017 | PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only"); | |
3018 | PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail), | |
3019 | "Text is read-only"); | |
8f9f49d7 | 3020 | |
620c53a6 SM |
3021 | DEFSYM (Qrange_error, "range-error"); |
3022 | DEFSYM (Qdomain_error, "domain-error"); | |
3023 | DEFSYM (Qsingularity_error, "singularity-error"); | |
3024 | DEFSYM (Qoverflow_error, "overflow-error"); | |
3025 | DEFSYM (Qunderflow_error, "underflow-error"); | |
6315e761 | 3026 | |
71873e2b SM |
3027 | PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error"); |
3028 | ||
3029 | PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error"); | |
3030 | ||
3031 | PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail), | |
3032 | "Arithmetic singularity error"); | |
3033 | ||
3034 | PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail), | |
3035 | "Arithmetic overflow error"); | |
3036 | PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail), | |
3037 | "Arithmetic underflow error"); | |
6315e761 | 3038 | |
7921925c JB |
3039 | staticpro (&Qnil); |
3040 | staticpro (&Qt); | |
7921925c | 3041 | staticpro (&Qunbound); |
7921925c | 3042 | |
39bcc759 | 3043 | /* Types that type-of returns. */ |
620c53a6 SM |
3044 | DEFSYM (Qinteger, "integer"); |
3045 | DEFSYM (Qsymbol, "symbol"); | |
3046 | DEFSYM (Qstring, "string"); | |
3047 | DEFSYM (Qcons, "cons"); | |
3048 | DEFSYM (Qmarker, "marker"); | |
3049 | DEFSYM (Qoverlay, "overlay"); | |
3050 | DEFSYM (Qfloat, "float"); | |
3051 | DEFSYM (Qwindow_configuration, "window-configuration"); | |
3052 | DEFSYM (Qprocess, "process"); | |
3053 | DEFSYM (Qwindow, "window"); | |
620c53a6 SM |
3054 | DEFSYM (Qcompiled_function, "compiled-function"); |
3055 | DEFSYM (Qbuffer, "buffer"); | |
3056 | DEFSYM (Qframe, "frame"); | |
3057 | DEFSYM (Qvector, "vector"); | |
3058 | DEFSYM (Qchar_table, "char-table"); | |
3059 | DEFSYM (Qbool_vector, "bool-vector"); | |
3060 | DEFSYM (Qhash_table, "hash-table"); | |
3ab6e069 | 3061 | DEFSYM (Qmisc, "misc"); |
39bcc759 | 3062 | |
61b108cc SM |
3063 | DEFSYM (Qdefun, "defun"); |
3064 | ||
4e6f2626 CY |
3065 | DEFSYM (Qfont_spec, "font-spec"); |
3066 | DEFSYM (Qfont_entity, "font-entity"); | |
3067 | DEFSYM (Qfont_object, "font-object"); | |
3068 | ||
3860280a | 3069 | DEFSYM (Qinteractive_form, "interactive-form"); |
32e5c58c | 3070 | DEFSYM (Qdefalias_fset_function, "defalias-fset-function"); |
3860280a | 3071 | |
f35d5bad | 3072 | defsubr (&Sindirect_variable); |
6b61353c | 3073 | defsubr (&Sinteractive_form); |
7921925c JB |
3074 | defsubr (&Seq); |
3075 | defsubr (&Snull); | |
39bcc759 | 3076 | defsubr (&Stype_of); |
7921925c JB |
3077 | defsubr (&Slistp); |
3078 | defsubr (&Snlistp); | |
3079 | defsubr (&Sconsp); | |
3080 | defsubr (&Satom); | |
3081 | defsubr (&Sintegerp); | |
464f8898 | 3082 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3083 | defsubr (&Snumberp); |
3084 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3085 | defsubr (&Sfloatp); |
7921925c JB |
3086 | defsubr (&Snatnump); |
3087 | defsubr (&Ssymbolp); | |
cda9b832 | 3088 | defsubr (&Skeywordp); |
7921925c | 3089 | defsubr (&Sstringp); |
0f56470d | 3090 | defsubr (&Smultibyte_string_p); |
7921925c | 3091 | defsubr (&Svectorp); |
4d276982 | 3092 | defsubr (&Schar_table_p); |
7f0edce7 | 3093 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3094 | defsubr (&Sbool_vector_p); |
7921925c JB |
3095 | defsubr (&Sarrayp); |
3096 | defsubr (&Ssequencep); | |
3097 | defsubr (&Sbufferp); | |
3098 | defsubr (&Smarkerp); | |
7921925c | 3099 | defsubr (&Ssubrp); |
dbc4e1c1 | 3100 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3101 | defsubr (&Schar_or_string_p); |
3102 | defsubr (&Scar); | |
3103 | defsubr (&Scdr); | |
3104 | defsubr (&Scar_safe); | |
3105 | defsubr (&Scdr_safe); | |
3106 | defsubr (&Ssetcar); | |
3107 | defsubr (&Ssetcdr); | |
3108 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3109 | defsubr (&Sindirect_function); |
7921925c JB |
3110 | defsubr (&Ssymbol_plist); |
3111 | defsubr (&Ssymbol_name); | |
3112 | defsubr (&Smakunbound); | |
3113 | defsubr (&Sfmakunbound); | |
3114 | defsubr (&Sboundp); | |
3115 | defsubr (&Sfboundp); | |
3116 | defsubr (&Sfset); | |
80df38a2 | 3117 | defsubr (&Sdefalias); |
7921925c JB |
3118 | defsubr (&Ssetplist); |
3119 | defsubr (&Ssymbol_value); | |
3120 | defsubr (&Sset); | |
3121 | defsubr (&Sdefault_boundp); | |
3122 | defsubr (&Sdefault_value); | |
3123 | defsubr (&Sset_default); | |
3124 | defsubr (&Ssetq_default); | |
3125 | defsubr (&Smake_variable_buffer_local); | |
3126 | defsubr (&Smake_local_variable); | |
3127 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3128 | defsubr (&Smake_variable_frame_local); |
62476adc | 3129 | defsubr (&Slocal_variable_p); |
f4f04cee | 3130 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3131 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3132 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3133 | defsubr (&Sterminal_local_value); |
3134 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3135 | #endif |
7921925c JB |
3136 | defsubr (&Saref); |
3137 | defsubr (&Saset); | |
f2980264 | 3138 | defsubr (&Snumber_to_string); |
25e40a4b | 3139 | defsubr (&Sstring_to_number); |
7921925c JB |
3140 | defsubr (&Seqlsign); |
3141 | defsubr (&Slss); | |
3142 | defsubr (&Sgtr); | |
3143 | defsubr (&Sleq); | |
3144 | defsubr (&Sgeq); | |
3145 | defsubr (&Sneq); | |
3146 | defsubr (&Szerop); | |
3147 | defsubr (&Splus); | |
3148 | defsubr (&Sminus); | |
3149 | defsubr (&Stimes); | |
3150 | defsubr (&Squo); | |
3151 | defsubr (&Srem); | |
44fa9da5 | 3152 | defsubr (&Smod); |
7921925c JB |
3153 | defsubr (&Smax); |
3154 | defsubr (&Smin); | |
3155 | defsubr (&Slogand); | |
3156 | defsubr (&Slogior); | |
3157 | defsubr (&Slogxor); | |
3158 | defsubr (&Slsh); | |
3159 | defsubr (&Sash); | |
3160 | defsubr (&Sadd1); | |
3161 | defsubr (&Ssub1); | |
3162 | defsubr (&Slognot); | |
6b61353c | 3163 | defsubr (&Sbyteorder); |
6f0e897f | 3164 | defsubr (&Ssubr_arity); |
0fddae66 | 3165 | defsubr (&Ssubr_name); |
8e86942b | 3166 | |
c644523b | 3167 | set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function); |
e6190b11 | 3168 | |
29208e82 | 3169 | DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum, |
9d113d9d AS |
3170 | doc: /* The largest value that is representable in a Lisp integer. */); |
3171 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3172 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3173 | |
29208e82 | 3174 | DEFVAR_LISP ("most-negative-fixnum", Vmost_negative_fixnum, |
9d113d9d AS |
3175 | doc: /* The smallest value that is representable in a Lisp integer. */); |
3176 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3177 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c | 3178 | } |