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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 | |
3860280a CY |
83 | Lisp_Object Qinteractive_form; |
84 | ||
ce5b453a | 85 | static void swap_in_symval_forwarding (struct Lisp_Symbol *, struct Lisp_Buffer_Local_Value *); |
d02eeab3 | 86 | |
13d95cc0 | 87 | |
7921925c | 88 | Lisp_Object |
971de7fb | 89 | wrong_type_argument (register Lisp_Object predicate, register Lisp_Object value) |
7921925c | 90 | { |
2de9f71c SM |
91 | /* If VALUE is not even a valid Lisp object, we'd want to abort here |
92 | where we can get a backtrace showing where it came from. We used | |
93 | to try and do that by checking the tagbits, but nowadays all | |
94 | tagbits are potentially valid. */ | |
95 | /* if ((unsigned int) XTYPE (value) >= Lisp_Type_Limit) | |
1088b922 | 96 | * emacs_abort (); */ |
e1351ff7 | 97 | |
740ef0b5 | 98 | xsignal2 (Qwrong_type_argument, predicate, value); |
7921925c JB |
99 | } |
100 | ||
dfcf069d | 101 | void |
971de7fb | 102 | pure_write_error (void) |
7921925c JB |
103 | { |
104 | error ("Attempt to modify read-only object"); | |
105 | } | |
106 | ||
107 | void | |
971de7fb | 108 | args_out_of_range (Lisp_Object a1, Lisp_Object a2) |
7921925c | 109 | { |
740ef0b5 | 110 | xsignal2 (Qargs_out_of_range, a1, a2); |
7921925c JB |
111 | } |
112 | ||
113 | void | |
971de7fb | 114 | args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) |
7921925c | 115 | { |
740ef0b5 | 116 | xsignal3 (Qargs_out_of_range, a1, a2, a3); |
7921925c JB |
117 | } |
118 | ||
7921925c | 119 | \f |
61b108cc | 120 | /* Data type predicates. */ |
7921925c JB |
121 | |
122 | DEFUN ("eq", Feq, Seq, 2, 2, 0, | |
8c1a1077 | 123 | doc: /* Return t if the two args are the same Lisp object. */) |
5842a27b | 124 | (Lisp_Object obj1, Lisp_Object obj2) |
7921925c JB |
125 | { |
126 | if (EQ (obj1, obj2)) | |
127 | return Qt; | |
128 | return Qnil; | |
129 | } | |
130 | ||
8c1a1077 PJ |
131 | DEFUN ("null", Fnull, Snull, 1, 1, 0, |
132 | doc: /* Return t if OBJECT is nil. */) | |
5842a27b | 133 | (Lisp_Object object) |
7921925c | 134 | { |
39bcc759 | 135 | if (NILP (object)) |
7921925c JB |
136 | return Qt; |
137 | return Qnil; | |
138 | } | |
139 | ||
39bcc759 | 140 | DEFUN ("type-of", Ftype_of, Stype_of, 1, 1, 0, |
8c1a1077 PJ |
141 | doc: /* Return a symbol representing the type of OBJECT. |
142 | The symbol returned names the object's basic type; | |
143 | for example, (type-of 1) returns `integer'. */) | |
5842a27b | 144 | (Lisp_Object object) |
39bcc759 | 145 | { |
8e50cc2d | 146 | switch (XTYPE (object)) |
39bcc759 | 147 | { |
2de9f71c | 148 | case_Lisp_Int: |
39bcc759 RS |
149 | return Qinteger; |
150 | ||
151 | case Lisp_Symbol: | |
152 | return Qsymbol; | |
153 | ||
154 | case Lisp_String: | |
155 | return Qstring; | |
156 | ||
157 | case Lisp_Cons: | |
158 | return Qcons; | |
159 | ||
160 | case Lisp_Misc: | |
324a6eef | 161 | switch (XMISCTYPE (object)) |
39bcc759 RS |
162 | { |
163 | case Lisp_Misc_Marker: | |
164 | return Qmarker; | |
165 | case Lisp_Misc_Overlay: | |
166 | return Qoverlay; | |
167 | case Lisp_Misc_Float: | |
168 | return Qfloat; | |
169 | } | |
1088b922 | 170 | emacs_abort (); |
39bcc759 RS |
171 | |
172 | case Lisp_Vectorlike: | |
8e50cc2d | 173 | if (WINDOW_CONFIGURATIONP (object)) |
39bcc759 | 174 | return Qwindow_configuration; |
8e50cc2d | 175 | if (PROCESSP (object)) |
39bcc759 | 176 | return Qprocess; |
8e50cc2d | 177 | if (WINDOWP (object)) |
39bcc759 | 178 | return Qwindow; |
8e50cc2d | 179 | if (SUBRP (object)) |
39bcc759 | 180 | return Qsubr; |
876c194c SM |
181 | if (COMPILEDP (object)) |
182 | return Qcompiled_function; | |
8e50cc2d | 183 | if (BUFFERP (object)) |
39bcc759 | 184 | return Qbuffer; |
8e50cc2d | 185 | if (CHAR_TABLE_P (object)) |
fc67d5be | 186 | return Qchar_table; |
8e50cc2d | 187 | if (BOOL_VECTOR_P (object)) |
fc67d5be | 188 | return Qbool_vector; |
8e50cc2d | 189 | if (FRAMEP (object)) |
39bcc759 | 190 | return Qframe; |
8e50cc2d | 191 | if (HASH_TABLE_P (object)) |
81dc5de5 | 192 | return Qhash_table; |
4e6f2626 CY |
193 | if (FONT_SPEC_P (object)) |
194 | return Qfont_spec; | |
195 | if (FONT_ENTITY_P (object)) | |
196 | return Qfont_entity; | |
197 | if (FONT_OBJECT_P (object)) | |
198 | return Qfont_object; | |
39bcc759 RS |
199 | return Qvector; |
200 | ||
39bcc759 RS |
201 | case Lisp_Float: |
202 | return Qfloat; | |
39bcc759 RS |
203 | |
204 | default: | |
1088b922 | 205 | emacs_abort (); |
39bcc759 RS |
206 | } |
207 | } | |
208 | ||
8c1a1077 PJ |
209 | DEFUN ("consp", Fconsp, Sconsp, 1, 1, 0, |
210 | doc: /* Return t if OBJECT is a cons cell. */) | |
5842a27b | 211 | (Lisp_Object object) |
7921925c | 212 | { |
39bcc759 | 213 | if (CONSP (object)) |
7921925c JB |
214 | return Qt; |
215 | return Qnil; | |
216 | } | |
217 | ||
25638b07 | 218 | DEFUN ("atom", Fatom, Satom, 1, 1, 0, |
8c1a1077 | 219 | doc: /* Return t if OBJECT is not a cons cell. This includes nil. */) |
5842a27b | 220 | (Lisp_Object object) |
7921925c | 221 | { |
39bcc759 | 222 | if (CONSP (object)) |
7921925c JB |
223 | return Qnil; |
224 | return Qt; | |
225 | } | |
226 | ||
25638b07 | 227 | DEFUN ("listp", Flistp, Slistp, 1, 1, 0, |
4cdcdcc9 LT |
228 | doc: /* Return t if OBJECT is a list, that is, a cons cell or nil. |
229 | Otherwise, return nil. */) | |
5842a27b | 230 | (Lisp_Object object) |
7921925c | 231 | { |
39bcc759 | 232 | if (CONSP (object) || NILP (object)) |
7921925c JB |
233 | return Qt; |
234 | return Qnil; | |
235 | } | |
236 | ||
25638b07 | 237 | DEFUN ("nlistp", Fnlistp, Snlistp, 1, 1, 0, |
8c1a1077 | 238 | doc: /* Return t if OBJECT is not a list. Lists include nil. */) |
5842a27b | 239 | (Lisp_Object object) |
7921925c | 240 | { |
39bcc759 | 241 | if (CONSP (object) || NILP (object)) |
7921925c JB |
242 | return Qnil; |
243 | return Qt; | |
244 | } | |
245 | \f | |
25638b07 | 246 | DEFUN ("symbolp", Fsymbolp, Ssymbolp, 1, 1, 0, |
8c1a1077 | 247 | doc: /* Return t if OBJECT is a symbol. */) |
5842a27b | 248 | (Lisp_Object object) |
7921925c | 249 | { |
39bcc759 | 250 | if (SYMBOLP (object)) |
7921925c JB |
251 | return Qt; |
252 | return Qnil; | |
253 | } | |
254 | ||
cda9b832 DL |
255 | /* Define this in C to avoid unnecessarily consing up the symbol |
256 | name. */ | |
257 | DEFUN ("keywordp", Fkeywordp, Skeywordp, 1, 1, 0, | |
8c1a1077 PJ |
258 | doc: /* Return t if OBJECT is a keyword. |
259 | This means that it is a symbol with a print name beginning with `:' | |
260 | interned in the initial obarray. */) | |
5842a27b | 261 | (Lisp_Object object) |
cda9b832 DL |
262 | { |
263 | if (SYMBOLP (object) | |
d5db4077 | 264 | && SREF (SYMBOL_NAME (object), 0) == ':' |
f35d5bad | 265 | && SYMBOL_INTERNED_IN_INITIAL_OBARRAY_P (object)) |
cda9b832 DL |
266 | return Qt; |
267 | return Qnil; | |
268 | } | |
269 | ||
25638b07 | 270 | DEFUN ("vectorp", Fvectorp, Svectorp, 1, 1, 0, |
8c1a1077 | 271 | doc: /* Return t if OBJECT is a vector. */) |
5842a27b | 272 | (Lisp_Object object) |
7921925c | 273 | { |
39bcc759 | 274 | if (VECTORP (object)) |
7921925c JB |
275 | return Qt; |
276 | return Qnil; | |
277 | } | |
278 | ||
25638b07 | 279 | DEFUN ("stringp", Fstringp, Sstringp, 1, 1, 0, |
8c1a1077 | 280 | doc: /* Return t if OBJECT is a string. */) |
5842a27b | 281 | (Lisp_Object object) |
7921925c | 282 | { |
39bcc759 | 283 | if (STRINGP (object)) |
7921925c JB |
284 | return Qt; |
285 | return Qnil; | |
286 | } | |
287 | ||
25638b07 | 288 | DEFUN ("multibyte-string-p", Fmultibyte_string_p, Smultibyte_string_p, |
8c1a1077 PJ |
289 | 1, 1, 0, |
290 | doc: /* Return t if OBJECT is a multibyte string. */) | |
5842a27b | 291 | (Lisp_Object object) |
25638b07 RS |
292 | { |
293 | if (STRINGP (object) && STRING_MULTIBYTE (object)) | |
294 | return Qt; | |
295 | return Qnil; | |
296 | } | |
297 | ||
298 | DEFUN ("char-table-p", Fchar_table_p, Schar_table_p, 1, 1, 0, | |
8c1a1077 | 299 | doc: /* Return t if OBJECT is a char-table. */) |
5842a27b | 300 | (Lisp_Object object) |
4d276982 RS |
301 | { |
302 | if (CHAR_TABLE_P (object)) | |
303 | return Qt; | |
304 | return Qnil; | |
305 | } | |
306 | ||
7f0edce7 RS |
307 | DEFUN ("vector-or-char-table-p", Fvector_or_char_table_p, |
308 | Svector_or_char_table_p, 1, 1, 0, | |
8c1a1077 | 309 | doc: /* Return t if OBJECT is a char-table or vector. */) |
5842a27b | 310 | (Lisp_Object object) |
7f0edce7 RS |
311 | { |
312 | if (VECTORP (object) || CHAR_TABLE_P (object)) | |
313 | return Qt; | |
314 | return Qnil; | |
315 | } | |
316 | ||
8c1a1077 PJ |
317 | DEFUN ("bool-vector-p", Fbool_vector_p, Sbool_vector_p, 1, 1, 0, |
318 | doc: /* Return t if OBJECT is a bool-vector. */) | |
5842a27b | 319 | (Lisp_Object object) |
4d276982 RS |
320 | { |
321 | if (BOOL_VECTOR_P (object)) | |
322 | return Qt; | |
323 | return Qnil; | |
324 | } | |
325 | ||
8c1a1077 PJ |
326 | DEFUN ("arrayp", Farrayp, Sarrayp, 1, 1, 0, |
327 | doc: /* Return t if OBJECT is an array (string or vector). */) | |
5842a27b | 328 | (Lisp_Object object) |
7921925c | 329 | { |
0c64a8cd | 330 | if (ARRAYP (object)) |
7921925c JB |
331 | return Qt; |
332 | return Qnil; | |
333 | } | |
334 | ||
335 | DEFUN ("sequencep", Fsequencep, Ssequencep, 1, 1, 0, | |
8c1a1077 | 336 | doc: /* Return t if OBJECT is a sequence (list or array). */) |
5842a27b | 337 | (register Lisp_Object object) |
7921925c | 338 | { |
0c64a8cd | 339 | if (CONSP (object) || NILP (object) || ARRAYP (object)) |
7921925c JB |
340 | return Qt; |
341 | return Qnil; | |
342 | } | |
343 | ||
8c1a1077 PJ |
344 | DEFUN ("bufferp", Fbufferp, Sbufferp, 1, 1, 0, |
345 | doc: /* Return t if OBJECT is an editor buffer. */) | |
5842a27b | 346 | (Lisp_Object object) |
7921925c | 347 | { |
39bcc759 | 348 | if (BUFFERP (object)) |
7921925c JB |
349 | return Qt; |
350 | return Qnil; | |
351 | } | |
352 | ||
8c1a1077 PJ |
353 | DEFUN ("markerp", Fmarkerp, Smarkerp, 1, 1, 0, |
354 | doc: /* Return t if OBJECT is a marker (editor pointer). */) | |
5842a27b | 355 | (Lisp_Object object) |
7921925c | 356 | { |
39bcc759 | 357 | if (MARKERP (object)) |
7921925c JB |
358 | return Qt; |
359 | return Qnil; | |
360 | } | |
361 | ||
8c1a1077 PJ |
362 | DEFUN ("subrp", Fsubrp, Ssubrp, 1, 1, 0, |
363 | doc: /* Return t if OBJECT is a built-in function. */) | |
5842a27b | 364 | (Lisp_Object object) |
7921925c | 365 | { |
39bcc759 | 366 | if (SUBRP (object)) |
7921925c JB |
367 | return Qt; |
368 | return Qnil; | |
369 | } | |
370 | ||
dbc4e1c1 | 371 | DEFUN ("byte-code-function-p", Fbyte_code_function_p, Sbyte_code_function_p, |
8c1a1077 PJ |
372 | 1, 1, 0, |
373 | doc: /* Return t if OBJECT is a byte-compiled function object. */) | |
5842a27b | 374 | (Lisp_Object object) |
7921925c | 375 | { |
39bcc759 | 376 | if (COMPILEDP (object)) |
7921925c JB |
377 | return Qt; |
378 | return Qnil; | |
379 | } | |
380 | ||
0321d75c | 381 | DEFUN ("char-or-string-p", Fchar_or_string_p, Schar_or_string_p, 1, 1, 0, |
8637f5ee | 382 | doc: /* Return t if OBJECT is a character or a string. */) |
5842a27b | 383 | (register Lisp_Object object) |
7921925c | 384 | { |
cfd70f33 | 385 | if (CHARACTERP (object) || STRINGP (object)) |
7921925c JB |
386 | return Qt; |
387 | return Qnil; | |
388 | } | |
389 | \f | |
8c1a1077 PJ |
390 | DEFUN ("integerp", Fintegerp, Sintegerp, 1, 1, 0, |
391 | doc: /* Return t if OBJECT is an integer. */) | |
5842a27b | 392 | (Lisp_Object object) |
7921925c | 393 | { |
39bcc759 | 394 | if (INTEGERP (object)) |
7921925c JB |
395 | return Qt; |
396 | return Qnil; | |
397 | } | |
398 | ||
464f8898 | 399 | DEFUN ("integer-or-marker-p", Finteger_or_marker_p, Sinteger_or_marker_p, 1, 1, 0, |
8c1a1077 | 400 | doc: /* Return t if OBJECT is an integer or a marker (editor pointer). */) |
5842a27b | 401 | (register Lisp_Object object) |
7921925c | 402 | { |
39bcc759 | 403 | if (MARKERP (object) || INTEGERP (object)) |
7921925c JB |
404 | return Qt; |
405 | return Qnil; | |
406 | } | |
407 | ||
0321d75c | 408 | DEFUN ("natnump", Fnatnump, Snatnump, 1, 1, 0, |
8c1a1077 | 409 | doc: /* Return t if OBJECT is a nonnegative integer. */) |
5842a27b | 410 | (Lisp_Object object) |
7921925c | 411 | { |
39bcc759 | 412 | if (NATNUMP (object)) |
7921925c JB |
413 | return Qt; |
414 | return Qnil; | |
415 | } | |
416 | ||
417 | DEFUN ("numberp", Fnumberp, Snumberp, 1, 1, 0, | |
8c1a1077 | 418 | doc: /* Return t if OBJECT is a number (floating point or integer). */) |
5842a27b | 419 | (Lisp_Object object) |
7921925c | 420 | { |
39bcc759 | 421 | if (NUMBERP (object)) |
7921925c | 422 | return Qt; |
dbc4e1c1 JB |
423 | else |
424 | return Qnil; | |
7921925c JB |
425 | } |
426 | ||
427 | DEFUN ("number-or-marker-p", Fnumber_or_marker_p, | |
428 | Snumber_or_marker_p, 1, 1, 0, | |
8c1a1077 | 429 | doc: /* Return t if OBJECT is a number or a marker. */) |
5842a27b | 430 | (Lisp_Object object) |
7921925c | 431 | { |
39bcc759 | 432 | if (NUMBERP (object) || MARKERP (object)) |
7921925c JB |
433 | return Qt; |
434 | return Qnil; | |
435 | } | |
464f8898 | 436 | |
464f8898 | 437 | DEFUN ("floatp", Ffloatp, Sfloatp, 1, 1, 0, |
8c1a1077 | 438 | doc: /* Return t if OBJECT is a floating point number. */) |
5842a27b | 439 | (Lisp_Object object) |
464f8898 | 440 | { |
39bcc759 | 441 | if (FLOATP (object)) |
464f8898 RS |
442 | return Qt; |
443 | return Qnil; | |
444 | } | |
cc94f3b2 | 445 | |
7921925c JB |
446 | \f |
447 | /* Extract and set components of lists */ | |
448 | ||
a7ca3326 | 449 | DEFUN ("car", Fcar, Scar, 1, 1, 0, |
8c1a1077 | 450 | doc: /* Return the car of LIST. If arg is nil, return nil. |
9701c742 LT |
451 | Error if arg is not nil and not a cons cell. See also `car-safe'. |
452 | ||
da46c5be LT |
453 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
454 | Lisp concepts such as car, cdr, cons cell and list. */) | |
5842a27b | 455 | (register Lisp_Object list) |
7921925c | 456 | { |
0c64a8cd | 457 | return CAR (list); |
7921925c JB |
458 | } |
459 | ||
a7ca3326 | 460 | DEFUN ("car-safe", Fcar_safe, Scar_safe, 1, 1, 0, |
8c1a1077 | 461 | doc: /* Return the car of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 462 | (Lisp_Object object) |
7921925c | 463 | { |
0c64a8cd | 464 | return CAR_SAFE (object); |
7921925c JB |
465 | } |
466 | ||
a7ca3326 | 467 | DEFUN ("cdr", Fcdr, Scdr, 1, 1, 0, |
8c1a1077 | 468 | doc: /* Return the cdr of LIST. If arg is nil, return nil. |
9701c742 LT |
469 | Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
470 | ||
da46c5be LT |
471 | See Info node `(elisp)Cons Cells' for a discussion of related basic |
472 | Lisp concepts such as cdr, car, cons cell and list. */) | |
5842a27b | 473 | (register Lisp_Object list) |
7921925c | 474 | { |
0c64a8cd | 475 | return CDR (list); |
7921925c JB |
476 | } |
477 | ||
a7ca3326 | 478 | DEFUN ("cdr-safe", Fcdr_safe, Scdr_safe, 1, 1, 0, |
8c1a1077 | 479 | doc: /* Return the cdr of OBJECT if it is a cons cell, or else nil. */) |
5842a27b | 480 | (Lisp_Object object) |
7921925c | 481 | { |
0c64a8cd | 482 | return CDR_SAFE (object); |
7921925c JB |
483 | } |
484 | ||
a7ca3326 | 485 | DEFUN ("setcar", Fsetcar, Ssetcar, 2, 2, 0, |
8c1a1077 | 486 | doc: /* Set the car of CELL to be NEWCAR. Returns NEWCAR. */) |
5842a27b | 487 | (register Lisp_Object cell, Lisp_Object newcar) |
7921925c | 488 | { |
0c64a8cd | 489 | CHECK_CONS (cell); |
7921925c | 490 | CHECK_IMPURE (cell); |
f3fbd155 | 491 | XSETCAR (cell, newcar); |
7921925c JB |
492 | return newcar; |
493 | } | |
494 | ||
a7ca3326 | 495 | DEFUN ("setcdr", Fsetcdr, Ssetcdr, 2, 2, 0, |
8c1a1077 | 496 | doc: /* Set the cdr of CELL to be NEWCDR. Returns NEWCDR. */) |
5842a27b | 497 | (register Lisp_Object cell, Lisp_Object newcdr) |
7921925c | 498 | { |
0c64a8cd | 499 | CHECK_CONS (cell); |
7921925c | 500 | CHECK_IMPURE (cell); |
f3fbd155 | 501 | XSETCDR (cell, newcdr); |
7921925c JB |
502 | return newcdr; |
503 | } | |
504 | \f | |
1ec4b7b2 | 505 | /* Extract and set components of symbols. */ |
7921925c | 506 | |
a7ca3326 | 507 | DEFUN ("boundp", Fboundp, Sboundp, 1, 1, 0, |
8c1a1077 | 508 | doc: /* Return t if SYMBOL's value is not void. */) |
5842a27b | 509 | (register Lisp_Object symbol) |
7921925c JB |
510 | { |
511 | Lisp_Object valcontents; | |
ce5b453a | 512 | struct Lisp_Symbol *sym; |
b7826503 | 513 | CHECK_SYMBOL (symbol); |
ce5b453a | 514 | sym = XSYMBOL (symbol); |
7921925c | 515 | |
ce5b453a SM |
516 | start: |
517 | switch (sym->redirect) | |
518 | { | |
519 | case SYMBOL_PLAINVAL: valcontents = SYMBOL_VAL (sym); break; | |
520 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
521 | case SYMBOL_LOCALIZED: | |
522 | { | |
523 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
524 | if (blv->fwd) | |
525 | /* In set_internal, we un-forward vars when their value is | |
526 | set to Qunbound. */ | |
527 | return Qt; | |
528 | else | |
529 | { | |
530 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 531 | valcontents = blv_value (blv); |
ce5b453a SM |
532 | } |
533 | break; | |
534 | } | |
535 | case SYMBOL_FORWARDED: | |
536 | /* In set_internal, we un-forward vars when their value is | |
537 | set to Qunbound. */ | |
538 | return Qt; | |
1088b922 | 539 | default: emacs_abort (); |
ce5b453a | 540 | } |
7921925c | 541 | |
1bfcade3 | 542 | return (EQ (valcontents, Qunbound) ? Qnil : Qt); |
7921925c JB |
543 | } |
544 | ||
a7ca3326 | 545 | DEFUN ("fboundp", Ffboundp, Sfboundp, 1, 1, 0, |
8c1a1077 | 546 | doc: /* Return t if SYMBOL's function definition is not void. */) |
5842a27b | 547 | (register Lisp_Object symbol) |
7921925c | 548 | { |
b7826503 | 549 | CHECK_SYMBOL (symbol); |
c644523b | 550 | return EQ (XSYMBOL (symbol)->function, Qunbound) ? Qnil : Qt; |
7921925c JB |
551 | } |
552 | ||
8c1a1077 | 553 | DEFUN ("makunbound", Fmakunbound, Smakunbound, 1, 1, 0, |
bfb96cb7 FP |
554 | doc: /* Make SYMBOL's value be void. |
555 | Return SYMBOL. */) | |
5842a27b | 556 | (register Lisp_Object symbol) |
7921925c | 557 | { |
b7826503 | 558 | CHECK_SYMBOL (symbol); |
64ec26d6 | 559 | if (SYMBOL_CONSTANT_P (symbol)) |
740ef0b5 | 560 | xsignal1 (Qsetting_constant, symbol); |
d9c2a0f2 EN |
561 | Fset (symbol, Qunbound); |
562 | return symbol; | |
7921925c JB |
563 | } |
564 | ||
8c1a1077 | 565 | DEFUN ("fmakunbound", Ffmakunbound, Sfmakunbound, 1, 1, 0, |
bfb96cb7 FP |
566 | doc: /* Make SYMBOL's function definition be void. |
567 | Return SYMBOL. */) | |
5842a27b | 568 | (register Lisp_Object symbol) |
7921925c | 569 | { |
b7826503 | 570 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 571 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 572 | xsignal1 (Qsetting_constant, symbol); |
c644523b | 573 | set_symbol_function (symbol, Qunbound); |
d9c2a0f2 | 574 | return symbol; |
7921925c JB |
575 | } |
576 | ||
a7ca3326 | 577 | DEFUN ("symbol-function", Fsymbol_function, Ssymbol_function, 1, 1, 0, |
8c1a1077 | 578 | doc: /* Return SYMBOL's function definition. Error if that is void. */) |
5842a27b | 579 | (register Lisp_Object symbol) |
7921925c | 580 | { |
b7826503 | 581 | CHECK_SYMBOL (symbol); |
c644523b DA |
582 | if (!EQ (XSYMBOL (symbol)->function, Qunbound)) |
583 | return XSYMBOL (symbol)->function; | |
740ef0b5 | 584 | xsignal1 (Qvoid_function, symbol); |
7921925c JB |
585 | } |
586 | ||
8c1a1077 PJ |
587 | DEFUN ("symbol-plist", Fsymbol_plist, Ssymbol_plist, 1, 1, 0, |
588 | doc: /* Return SYMBOL's property list. */) | |
5842a27b | 589 | (register Lisp_Object symbol) |
7921925c | 590 | { |
b7826503 | 591 | CHECK_SYMBOL (symbol); |
c644523b | 592 | return XSYMBOL (symbol)->plist; |
7921925c JB |
593 | } |
594 | ||
a7ca3326 | 595 | DEFUN ("symbol-name", Fsymbol_name, Ssymbol_name, 1, 1, 0, |
8c1a1077 | 596 | doc: /* Return SYMBOL's name, a string. */) |
5842a27b | 597 | (register Lisp_Object symbol) |
7921925c JB |
598 | { |
599 | register Lisp_Object name; | |
600 | ||
b7826503 | 601 | CHECK_SYMBOL (symbol); |
84023177 | 602 | name = SYMBOL_NAME (symbol); |
7921925c JB |
603 | return name; |
604 | } | |
605 | ||
a7ca3326 | 606 | DEFUN ("fset", Ffset, Sfset, 2, 2, 0, |
8c1a1077 | 607 | doc: /* Set SYMBOL's function definition to DEFINITION, and return DEFINITION. */) |
5842a27b | 608 | (register Lisp_Object symbol, Lisp_Object definition) |
d9c2a0f2 | 609 | { |
764ea377 JB |
610 | register Lisp_Object function; |
611 | ||
b7826503 | 612 | CHECK_SYMBOL (symbol); |
d9c2a0f2 | 613 | if (NILP (symbol) || EQ (symbol, Qt)) |
740ef0b5 | 614 | xsignal1 (Qsetting_constant, symbol); |
764ea377 | 615 | |
c644523b | 616 | function = XSYMBOL (symbol)->function; |
764ea377 JB |
617 | |
618 | if (!NILP (Vautoload_queue) && !EQ (function, Qunbound)) | |
619 | Vautoload_queue = Fcons (Fcons (symbol, function), Vautoload_queue); | |
620 | ||
621 | if (CONSP (function) && EQ (XCAR (function), Qautoload)) | |
622 | Fput (symbol, Qautoload, XCDR (function)); | |
623 | ||
c644523b | 624 | set_symbol_function (symbol, definition); |
1053a871 | 625 | /* Handle automatic advice activation. */ |
c644523b | 626 | if (CONSP (XSYMBOL (symbol)->plist) |
1053a871 | 627 | && !NILP (Fget (symbol, Qad_advice_info))) |
f845f2c9 | 628 | { |
c1307a23 | 629 | call2 (Qad_activate_internal, symbol, Qnil); |
c644523b | 630 | definition = XSYMBOL (symbol)->function; |
f845f2c9 | 631 | } |
8c0b5540 | 632 | return definition; |
7921925c JB |
633 | } |
634 | ||
d2fde41d | 635 | DEFUN ("defalias", Fdefalias, Sdefalias, 2, 3, 0, |
1053a871 | 636 | doc: /* Set SYMBOL's function definition to DEFINITION. |
96143227 RS |
637 | Associates the function with the current load file, if any. |
638 | The optional third argument DOCSTRING specifies the documentation string | |
639 | for SYMBOL; if it is omitted or nil, SYMBOL uses the documentation string | |
1053a871 SM |
640 | determined by DEFINITION. |
641 | The return value is undefined. */) | |
5842a27b | 642 | (register Lisp_Object symbol, Lisp_Object definition, Lisp_Object docstring) |
fc08c367 | 643 | { |
8a658a52 | 644 | CHECK_SYMBOL (symbol); |
c644523b DA |
645 | if (CONSP (XSYMBOL (symbol)->function) |
646 | && EQ (XCAR (XSYMBOL (symbol)->function), Qautoload)) | |
894f6538 | 647 | LOADHIST_ATTACH (Fcons (Qt, symbol)); |
61b108cc SM |
648 | if (!NILP (Vpurify_flag) |
649 | /* If `definition' is a keymap, immutable (and copying) is wrong. */ | |
650 | && !KEYMAPP (definition)) | |
651 | definition = Fpurecopy (definition); | |
32f532b7 | 652 | definition = Ffset (symbol, definition); |
62a29071 | 653 | LOADHIST_ATTACH (Fcons (Qdefun, symbol)); |
d2fde41d SM |
654 | if (!NILP (docstring)) |
655 | Fput (symbol, Qfunction_documentation, docstring); | |
1053a871 SM |
656 | /* We used to return `definition', but now that `defun' and `defmacro' expand |
657 | to a call to `defalias', we return `symbol' for backward compatibility | |
658 | (bug#11686). */ | |
659 | return symbol; | |
fc08c367 RS |
660 | } |
661 | ||
7921925c | 662 | DEFUN ("setplist", Fsetplist, Ssetplist, 2, 2, 0, |
6b61353c | 663 | doc: /* Set SYMBOL's property list to NEWPLIST, and return NEWPLIST. */) |
5842a27b | 664 | (register Lisp_Object symbol, Lisp_Object newplist) |
7921925c | 665 | { |
b7826503 | 666 | CHECK_SYMBOL (symbol); |
c644523b | 667 | set_symbol_plist (symbol, newplist); |
7921925c JB |
668 | return newplist; |
669 | } | |
ffd56f97 | 670 | |
6f0e897f | 671 | DEFUN ("subr-arity", Fsubr_arity, Ssubr_arity, 1, 1, 0, |
8c1a1077 PJ |
672 | doc: /* Return minimum and maximum number of args allowed for SUBR. |
673 | SUBR must be a built-in function. | |
674 | The returned value is a pair (MIN . MAX). MIN is the minimum number | |
675 | of args. MAX is the maximum number or the symbol `many', for a | |
676 | function with `&rest' args, or `unevalled' for a special form. */) | |
5842a27b | 677 | (Lisp_Object subr) |
6f0e897f DL |
678 | { |
679 | short minargs, maxargs; | |
0c64a8cd | 680 | CHECK_SUBR (subr); |
6f0e897f DL |
681 | minargs = XSUBR (subr)->min_args; |
682 | maxargs = XSUBR (subr)->max_args; | |
683 | if (maxargs == MANY) | |
684 | return Fcons (make_number (minargs), Qmany); | |
685 | else if (maxargs == UNEVALLED) | |
686 | return Fcons (make_number (minargs), Qunevalled); | |
687 | else | |
688 | return Fcons (make_number (minargs), make_number (maxargs)); | |
689 | } | |
690 | ||
0fddae66 SM |
691 | DEFUN ("subr-name", Fsubr_name, Ssubr_name, 1, 1, 0, |
692 | doc: /* Return name of subroutine SUBR. | |
693 | SUBR must be a built-in function. */) | |
5842a27b | 694 | (Lisp_Object subr) |
0fddae66 SM |
695 | { |
696 | const char *name; | |
0c64a8cd | 697 | CHECK_SUBR (subr); |
0fddae66 | 698 | name = XSUBR (subr)->symbol_name; |
f3e92b69 | 699 | return build_string (name); |
0fddae66 SM |
700 | } |
701 | ||
a7ca3326 | 702 | DEFUN ("interactive-form", Finteractive_form, Sinteractive_form, 1, 1, 0, |
6b61353c | 703 | doc: /* Return the interactive form of CMD or nil if none. |
df133612 LT |
704 | If CMD is not a command, the return value is nil. |
705 | Value, if non-nil, is a list \(interactive SPEC). */) | |
5842a27b | 706 | (Lisp_Object cmd) |
cc515226 | 707 | { |
c4f46926 | 708 | Lisp_Object fun = indirect_function (cmd); /* Check cycles. */ |
764ea377 | 709 | |
c4f46926 SM |
710 | if (NILP (fun) || EQ (fun, Qunbound)) |
711 | return Qnil; | |
712 | ||
713 | /* Use an `interactive-form' property if present, analogous to the | |
714 | function-documentation property. */ | |
715 | fun = cmd; | |
716 | while (SYMBOLP (fun)) | |
717 | { | |
3860280a | 718 | Lisp_Object tmp = Fget (fun, Qinteractive_form); |
c4f46926 SM |
719 | if (!NILP (tmp)) |
720 | return tmp; | |
721 | else | |
722 | fun = Fsymbol_function (fun); | |
723 | } | |
6b61353c KH |
724 | |
725 | if (SUBRP (fun)) | |
726 | { | |
eec47d6b | 727 | const char *spec = XSUBR (fun)->intspec; |
8a6d230a MC |
728 | if (spec) |
729 | return list2 (Qinteractive, | |
730 | (*spec != '(') ? build_string (spec) : | |
731 | Fcar (Fread_from_string (build_string (spec), Qnil, Qnil))); | |
6b61353c KH |
732 | } |
733 | else if (COMPILEDP (fun)) | |
734 | { | |
735 | if ((ASIZE (fun) & PSEUDOVECTOR_SIZE_MASK) > COMPILED_INTERACTIVE) | |
736 | return list2 (Qinteractive, AREF (fun, COMPILED_INTERACTIVE)); | |
737 | } | |
738 | else if (CONSP (fun)) | |
739 | { | |
740 | Lisp_Object funcar = XCAR (fun); | |
b38b1ec0 | 741 | if (EQ (funcar, Qclosure)) |
23aba0ea SM |
742 | return Fassq (Qinteractive, Fcdr (Fcdr (XCDR (fun)))); |
743 | else if (EQ (funcar, Qlambda)) | |
6b61353c KH |
744 | return Fassq (Qinteractive, Fcdr (XCDR (fun))); |
745 | else if (EQ (funcar, Qautoload)) | |
746 | { | |
747 | struct gcpro gcpro1; | |
748 | GCPRO1 (cmd); | |
7abaf5cc | 749 | Fautoload_do_load (fun, cmd, Qnil); |
6b61353c KH |
750 | UNGCPRO; |
751 | return Finteractive_form (cmd); | |
752 | } | |
753 | } | |
cc515226 GM |
754 | return Qnil; |
755 | } | |
756 | ||
7921925c | 757 | \f |
f35d5bad GM |
758 | /*********************************************************************** |
759 | Getting and Setting Values of Symbols | |
760 | ***********************************************************************/ | |
761 | ||
762 | /* Return the symbol holding SYMBOL's value. Signal | |
763 | `cyclic-variable-indirection' if SYMBOL's chain of variable | |
764 | indirections contains a loop. */ | |
765 | ||
ad97b375 | 766 | struct Lisp_Symbol * |
971de7fb | 767 | indirect_variable (struct Lisp_Symbol *symbol) |
f35d5bad | 768 | { |
ad97b375 | 769 | struct Lisp_Symbol *tortoise, *hare; |
f35d5bad GM |
770 | |
771 | hare = tortoise = symbol; | |
772 | ||
ce5b453a | 773 | while (hare->redirect == SYMBOL_VARALIAS) |
f35d5bad | 774 | { |
ce5b453a SM |
775 | hare = SYMBOL_ALIAS (hare); |
776 | if (hare->redirect != SYMBOL_VARALIAS) | |
f35d5bad | 777 | break; |
bfb96cb7 | 778 | |
ce5b453a SM |
779 | hare = SYMBOL_ALIAS (hare); |
780 | tortoise = SYMBOL_ALIAS (tortoise); | |
f35d5bad | 781 | |
ad97b375 SM |
782 | if (hare == tortoise) |
783 | { | |
784 | Lisp_Object tem; | |
785 | XSETSYMBOL (tem, symbol); | |
786 | xsignal1 (Qcyclic_variable_indirection, tem); | |
787 | } | |
f35d5bad GM |
788 | } |
789 | ||
790 | return hare; | |
791 | } | |
792 | ||
793 | ||
794 | DEFUN ("indirect-variable", Findirect_variable, Sindirect_variable, 1, 1, 0, | |
8c1a1077 | 795 | doc: /* Return the variable at the end of OBJECT's variable chain. |
4abcdac8 CY |
796 | If OBJECT is a symbol, follow its variable indirections (if any), and |
797 | return the variable at the end of the chain of aliases. See Info node | |
798 | `(elisp)Variable Aliases'. | |
799 | ||
800 | If OBJECT is not a symbol, just return it. If there is a loop in the | |
801 | chain of aliases, signal a `cyclic-variable-indirection' error. */) | |
5842a27b | 802 | (Lisp_Object object) |
f35d5bad GM |
803 | { |
804 | if (SYMBOLP (object)) | |
946f9a5b PE |
805 | { |
806 | struct Lisp_Symbol *sym = indirect_variable (XSYMBOL (object)); | |
807 | XSETSYMBOL (object, sym); | |
808 | } | |
f35d5bad GM |
809 | return object; |
810 | } | |
811 | ||
7921925c JB |
812 | |
813 | /* Given the raw contents of a symbol value cell, | |
814 | return the Lisp value of the symbol. | |
815 | This does not handle buffer-local variables; use | |
816 | swap_in_symval_forwarding for that. */ | |
817 | ||
818 | Lisp_Object | |
971de7fb | 819 | do_symval_forwarding (register union Lisp_Fwd *valcontents) |
7921925c JB |
820 | { |
821 | register Lisp_Object val; | |
ce5b453a SM |
822 | switch (XFWDTYPE (valcontents)) |
823 | { | |
824 | case Lisp_Fwd_Int: | |
825 | XSETINT (val, *XINTFWD (valcontents)->intvar); | |
826 | return val; | |
827 | ||
828 | case Lisp_Fwd_Bool: | |
829 | return (*XBOOLFWD (valcontents)->boolvar ? Qt : Qnil); | |
830 | ||
831 | case Lisp_Fwd_Obj: | |
832 | return *XOBJFWD (valcontents)->objvar; | |
833 | ||
834 | case Lisp_Fwd_Buffer_Obj: | |
4ce60d2e | 835 | return per_buffer_value (current_buffer, |
ce5b453a SM |
836 | XBUFFER_OBJFWD (valcontents)->offset); |
837 | ||
838 | case Lisp_Fwd_Kboard_Obj: | |
839 | /* We used to simply use current_kboard here, but from Lisp | |
a98edce9 | 840 | code, its value is often unexpected. It seems nicer to |
ce5b453a SM |
841 | allow constructions like this to work as intuitively expected: |
842 | ||
843 | (with-selected-frame frame | |
844 | (define-key local-function-map "\eOP" [f1])) | |
845 | ||
846 | On the other hand, this affects the semantics of | |
847 | last-command and real-last-command, and people may rely on | |
848 | that. I took a quick look at the Lisp codebase, and I | |
849 | don't think anything will break. --lorentey */ | |
850 | return *(Lisp_Object *)(XKBOARD_OBJFWD (valcontents)->offset | |
851 | + (char *)FRAME_KBOARD (SELECTED_FRAME ())); | |
1088b922 | 852 | default: emacs_abort (); |
ce5b453a | 853 | } |
7921925c JB |
854 | } |
855 | ||
d9c2a0f2 EN |
856 | /* Store NEWVAL into SYMBOL, where VALCONTENTS is found in the value cell |
857 | of SYMBOL. If SYMBOL is buffer-local, VALCONTENTS should be the | |
7921925c | 858 | buffer-independent contents of the value cell: forwarded just one |
7a283f36 GM |
859 | step past the buffer-localness. |
860 | ||
861 | BUF non-zero means set the value in buffer BUF instead of the | |
862 | current buffer. This only plays a role for per-buffer variables. */ | |
7921925c | 863 | |
ce5b453a | 864 | static void |
971de7fb | 865 | store_symval_forwarding (union Lisp_Fwd *valcontents, register Lisp_Object newval, struct buffer *buf) |
7921925c | 866 | { |
ce5b453a | 867 | switch (XFWDTYPE (valcontents)) |
7921925c | 868 | { |
ce5b453a SM |
869 | case Lisp_Fwd_Int: |
870 | CHECK_NUMBER (newval); | |
871 | *XINTFWD (valcontents)->intvar = XINT (newval); | |
872 | break; | |
aa3830c4 | 873 | |
ce5b453a SM |
874 | case Lisp_Fwd_Bool: |
875 | *XBOOLFWD (valcontents)->boolvar = !NILP (newval); | |
876 | break; | |
aa3830c4 | 877 | |
ce5b453a SM |
878 | case Lisp_Fwd_Obj: |
879 | *XOBJFWD (valcontents)->objvar = newval; | |
aa3830c4 | 880 | |
ce5b453a SM |
881 | /* If this variable is a default for something stored |
882 | in the buffer itself, such as default-fill-column, | |
883 | find the buffers that don't have local values for it | |
884 | and update them. */ | |
885 | if (XOBJFWD (valcontents)->objvar > (Lisp_Object *) &buffer_defaults | |
886 | && XOBJFWD (valcontents)->objvar < (Lisp_Object *) (&buffer_defaults + 1)) | |
46b2ac21 | 887 | { |
ce5b453a SM |
888 | int offset = ((char *) XOBJFWD (valcontents)->objvar |
889 | - (char *) &buffer_defaults); | |
890 | int idx = PER_BUFFER_IDX (offset); | |
aa3830c4 | 891 | |
ce5b453a | 892 | Lisp_Object tail; |
aa3830c4 | 893 | |
ce5b453a SM |
894 | if (idx <= 0) |
895 | break; | |
aa3830c4 | 896 | |
ce5b453a | 897 | for (tail = Vbuffer_alist; CONSP (tail); tail = XCDR (tail)) |
6b61353c | 898 | { |
b9b84fa9 | 899 | Lisp_Object lbuf; |
ce5b453a | 900 | struct buffer *b; |
6b61353c | 901 | |
b9b84fa9 PE |
902 | lbuf = Fcdr (XCAR (tail)); |
903 | if (!BUFFERP (lbuf)) continue; | |
904 | b = XBUFFER (lbuf); | |
6b61353c | 905 | |
ce5b453a | 906 | if (! PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 907 | set_per_buffer_value (b, offset, newval); |
6b61353c | 908 | } |
ce5b453a SM |
909 | } |
910 | break; | |
7403b5c8 | 911 | |
ce5b453a SM |
912 | case Lisp_Fwd_Buffer_Obj: |
913 | { | |
914 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
915 | Lisp_Object type = XBUFFER_OBJFWD (valcontents)->slottype; | |
916 | ||
917 | if (!(NILP (type) || NILP (newval) | |
d5040d2d | 918 | || (XINT (type) == Lisp_Int0 |
ce5b453a SM |
919 | ? INTEGERP (newval) |
920 | : XTYPE (newval) == XINT (type)))) | |
921 | buffer_slot_type_mismatch (newval, XINT (type)); | |
922 | ||
923 | if (buf == NULL) | |
924 | buf = current_buffer; | |
4ce60d2e | 925 | set_per_buffer_value (buf, offset, newval); |
ce5b453a SM |
926 | } |
927 | break; | |
7403b5c8 | 928 | |
ce5b453a SM |
929 | case Lisp_Fwd_Kboard_Obj: |
930 | { | |
931 | char *base = (char *) FRAME_KBOARD (SELECTED_FRAME ()); | |
932 | char *p = base + XKBOARD_OBJFWD (valcontents)->offset; | |
933 | *(Lisp_Object *) p = newval; | |
934 | } | |
7921925c JB |
935 | break; |
936 | ||
7921925c | 937 | default: |
1088b922 | 938 | emacs_abort (); /* goto def; */ |
7921925c JB |
939 | } |
940 | } | |
941 | ||
d73e321c DA |
942 | /* Set up SYMBOL to refer to its global binding. This makes it safe |
943 | to alter the status of other bindings. BEWARE: this may be called | |
944 | during the mark phase of GC, where we assume that Lisp_Object slots | |
945 | of BLV are marked after this function has changed them. */ | |
b0d53add GM |
946 | |
947 | void | |
971de7fb | 948 | swap_in_global_binding (struct Lisp_Symbol *symbol) |
b0d53add | 949 | { |
ce5b453a | 950 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (symbol); |
b0d53add GM |
951 | |
952 | /* Unload the previously loaded binding. */ | |
ce5b453a | 953 | if (blv->fwd) |
a04e2c62 | 954 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
bfb96cb7 | 955 | |
b0d53add | 956 | /* Select the global binding in the symbol. */ |
a04e2c62 | 957 | set_blv_valcell (blv, blv->defcell); |
ce5b453a SM |
958 | if (blv->fwd) |
959 | store_symval_forwarding (blv->fwd, XCDR (blv->defcell), NULL); | |
b0d53add GM |
960 | |
961 | /* Indicate that the global binding is set up now. */ | |
a04e2c62 DA |
962 | set_blv_where (blv, Qnil); |
963 | set_blv_found (blv, 0); | |
b0d53add GM |
964 | } |
965 | ||
2829d05f | 966 | /* Set up the buffer-local symbol SYMBOL for validity in the current buffer. |
42e975f0 RS |
967 | VALCONTENTS is the contents of its value cell, |
968 | which points to a struct Lisp_Buffer_Local_Value. | |
969 | ||
970 | Return the value forwarded one step past the buffer-local stage. | |
971 | This could be another forwarding pointer. */ | |
7921925c | 972 | |
ce5b453a | 973 | static void |
971de7fb | 974 | swap_in_symval_forwarding (struct Lisp_Symbol *symbol, struct Lisp_Buffer_Local_Value *blv) |
7921925c | 975 | { |
7921925c | 976 | register Lisp_Object tem1; |
bfb96cb7 | 977 | |
ce5b453a SM |
978 | eassert (blv == SYMBOL_BLV (symbol)); |
979 | ||
980 | tem1 = blv->where; | |
7921925c | 981 | |
42e975f0 | 982 | if (NILP (tem1) |
ce5b453a SM |
983 | || (blv->frame_local |
984 | ? !EQ (selected_frame, tem1) | |
985 | : current_buffer != XBUFFER (tem1))) | |
7921925c | 986 | { |
bfb96cb7 | 987 | |
42e975f0 | 988 | /* Unload the previously loaded binding. */ |
ce5b453a SM |
989 | tem1 = blv->valcell; |
990 | if (blv->fwd) | |
a04e2c62 | 991 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
42e975f0 | 992 | /* Choose the new binding. */ |
ce5b453a SM |
993 | { |
994 | Lisp_Object var; | |
995 | XSETSYMBOL (var, symbol); | |
996 | if (blv->frame_local) | |
997 | { | |
e69b0960 | 998 | tem1 = assq_no_quit (var, XFRAME (selected_frame)->param_alist); |
a04e2c62 | 999 | set_blv_where (blv, selected_frame); |
ce5b453a SM |
1000 | } |
1001 | else | |
1002 | { | |
4b4deea2 | 1003 | tem1 = assq_no_quit (var, BVAR (current_buffer, local_var_alist)); |
d73e321c | 1004 | set_blv_where (blv, Fcurrent_buffer ()); |
ce5b453a SM |
1005 | } |
1006 | } | |
1007 | if (!(blv->found = !NILP (tem1))) | |
1008 | tem1 = blv->defcell; | |
b0c2d1c6 | 1009 | |
42e975f0 | 1010 | /* Load the new binding. */ |
a04e2c62 | 1011 | set_blv_valcell (blv, tem1); |
ce5b453a | 1012 | if (blv->fwd) |
a04e2c62 | 1013 | store_symval_forwarding (blv->fwd, blv_value (blv), NULL); |
7921925c | 1014 | } |
7921925c JB |
1015 | } |
1016 | \f | |
14e76af9 JB |
1017 | /* Find the value of a symbol, returning Qunbound if it's not bound. |
1018 | This is helpful for code which just wants to get a variable's value | |
8e6208c5 | 1019 | if it has one, without signaling an error. |
14e76af9 JB |
1020 | Note that it must not be possible to quit |
1021 | within this function. Great care is required for this. */ | |
7921925c | 1022 | |
14e76af9 | 1023 | Lisp_Object |
971de7fb | 1024 | find_symbol_value (Lisp_Object symbol) |
7921925c | 1025 | { |
ce5b453a | 1026 | struct Lisp_Symbol *sym; |
bfb96cb7 | 1027 | |
b7826503 | 1028 | CHECK_SYMBOL (symbol); |
ce5b453a | 1029 | sym = XSYMBOL (symbol); |
7921925c | 1030 | |
ce5b453a SM |
1031 | start: |
1032 | switch (sym->redirect) | |
1033 | { | |
1034 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1035 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1036 | case SYMBOL_LOCALIZED: | |
1037 | { | |
1038 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1039 | swap_in_symval_forwarding (sym, blv); | |
a04e2c62 | 1040 | return blv->fwd ? do_symval_forwarding (blv->fwd) : blv_value (blv); |
ce5b453a SM |
1041 | } |
1042 | /* FALLTHROUGH */ | |
1043 | case SYMBOL_FORWARDED: | |
1044 | return do_symval_forwarding (SYMBOL_FWD (sym)); | |
1088b922 | 1045 | default: emacs_abort (); |
ce5b453a | 1046 | } |
7921925c JB |
1047 | } |
1048 | ||
a7ca3326 | 1049 | DEFUN ("symbol-value", Fsymbol_value, Ssymbol_value, 1, 1, 0, |
8c1a1077 | 1050 | doc: /* Return SYMBOL's value. Error if that is void. */) |
5842a27b | 1051 | (Lisp_Object symbol) |
14e76af9 | 1052 | { |
0671d7c0 | 1053 | Lisp_Object val; |
14e76af9 | 1054 | |
d9c2a0f2 | 1055 | val = find_symbol_value (symbol); |
740ef0b5 | 1056 | if (!EQ (val, Qunbound)) |
14e76af9 | 1057 | return val; |
740ef0b5 KS |
1058 | |
1059 | xsignal1 (Qvoid_variable, symbol); | |
14e76af9 JB |
1060 | } |
1061 | ||
a7ca3326 | 1062 | DEFUN ("set", Fset, Sset, 2, 2, 0, |
8c1a1077 | 1063 | doc: /* Set SYMBOL's value to NEWVAL, and return NEWVAL. */) |
5842a27b | 1064 | (register Lisp_Object symbol, Lisp_Object newval) |
05ef7169 | 1065 | { |
94b612ad | 1066 | set_internal (symbol, newval, Qnil, 0); |
ce5b453a | 1067 | return newval; |
05ef7169 RS |
1068 | } |
1069 | ||
de1339b0 | 1070 | /* Return true if SYMBOL currently has a let-binding |
1f35ce36 RS |
1071 | which was made in the buffer that is now current. */ |
1072 | ||
de1339b0 | 1073 | static bool |
ce5b453a | 1074 | let_shadows_buffer_binding_p (struct Lisp_Symbol *symbol) |
1f35ce36 | 1075 | { |
ce5b453a | 1076 | struct specbinding *p; |
1f35ce36 | 1077 | |
d311d28c PE |
1078 | for (p = specpdl_ptr; p > specpdl; ) |
1079 | if ((--p)->func == NULL | |
f35d5bad GM |
1080 | && CONSP (p->symbol)) |
1081 | { | |
ad97b375 | 1082 | struct Lisp_Symbol *let_bound_symbol = XSYMBOL (XCAR (p->symbol)); |
ce5b453a SM |
1083 | eassert (let_bound_symbol->redirect != SYMBOL_VARALIAS); |
1084 | if (symbol == let_bound_symbol | |
f35d5bad | 1085 | && XBUFFER (XCDR (XCDR (p->symbol))) == current_buffer) |
d311d28c | 1086 | return 1; |
f35d5bad | 1087 | } |
1f35ce36 | 1088 | |
d311d28c | 1089 | return 0; |
1f35ce36 RS |
1090 | } |
1091 | ||
de1339b0 | 1092 | static bool |
971de7fb | 1093 | let_shadows_global_binding_p (Lisp_Object symbol) |
ce5b453a SM |
1094 | { |
1095 | struct specbinding *p; | |
1096 | ||
bc985141 | 1097 | for (p = specpdl_ptr; p > specpdl; ) |
d311d28c PE |
1098 | if ((--p)->func == NULL && EQ (p->symbol, symbol)) |
1099 | return 1; | |
ce5b453a | 1100 | |
d311d28c | 1101 | return 0; |
ce5b453a SM |
1102 | } |
1103 | ||
25638b07 | 1104 | /* Store the value NEWVAL into SYMBOL. |
94b612ad SM |
1105 | If buffer/frame-locality is an issue, WHERE specifies which context to use. |
1106 | (nil stands for the current buffer/frame). | |
2829d05f | 1107 | |
de1339b0 | 1108 | If BINDFLAG is false, then if this symbol is supposed to become |
05ef7169 | 1109 | local in every buffer where it is set, then we make it local. |
de1339b0 | 1110 | If BINDFLAG is true, we don't do that. */ |
05ef7169 | 1111 | |
ce5b453a | 1112 | void |
de1339b0 PE |
1113 | set_internal (Lisp_Object symbol, Lisp_Object newval, Lisp_Object where, |
1114 | bool bindflag) | |
7921925c | 1115 | { |
de1339b0 | 1116 | bool voide = EQ (newval, Qunbound); |
ce5b453a SM |
1117 | struct Lisp_Symbol *sym; |
1118 | Lisp_Object tem1; | |
7921925c | 1119 | |
2829d05f | 1120 | /* If restoring in a dead buffer, do nothing. */ |
94b612ad SM |
1121 | /* if (BUFFERP (where) && NILP (XBUFFER (where)->name)) |
1122 | return; */ | |
2829d05f | 1123 | |
b7826503 | 1124 | CHECK_SYMBOL (symbol); |
ce5b453a | 1125 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1126 | { |
ce5b453a SM |
1127 | if (NILP (Fkeywordp (symbol)) |
1128 | || !EQ (newval, Fsymbol_value (symbol))) | |
1129 | xsignal1 (Qsetting_constant, symbol); | |
1130 | else | |
1131 | /* Allow setting keywords to their own value. */ | |
1132 | return; | |
7921925c | 1133 | } |
42e975f0 | 1134 | |
ce5b453a | 1135 | sym = XSYMBOL (symbol); |
7921925c | 1136 | |
ce5b453a SM |
1137 | start: |
1138 | switch (sym->redirect) | |
1139 | { | |
1140 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1141 | case SYMBOL_PLAINVAL: SET_SYMBOL_VAL (sym , newval); return; | |
1142 | case SYMBOL_LOCALIZED: | |
1143 | { | |
1144 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
94b612ad SM |
1145 | if (NILP (where)) |
1146 | { | |
1147 | if (blv->frame_local) | |
1148 | where = selected_frame; | |
1149 | else | |
1150 | XSETBUFFER (where, current_buffer); | |
1151 | } | |
ce5b453a SM |
1152 | /* If the current buffer is not the buffer whose binding is |
1153 | loaded, or if there may be frame-local bindings and the frame | |
1154 | isn't the right one, or if it's a Lisp_Buffer_Local_Value and | |
1155 | the default binding is loaded, the loaded binding may be the | |
1156 | wrong one. */ | |
94b612ad | 1157 | if (!EQ (blv->where, where) |
bfeae2cf | 1158 | /* Also unload a global binding (if the var is local_if_set). */ |
ce5b453a SM |
1159 | || (EQ (blv->valcell, blv->defcell))) |
1160 | { | |
1161 | /* The currently loaded binding is not necessarily valid. | |
1162 | We need to unload it, and choose a new binding. */ | |
1163 | ||
1164 | /* Write out `realvalue' to the old loaded binding. */ | |
1165 | if (blv->fwd) | |
a04e2c62 | 1166 | set_blv_value (blv, do_symval_forwarding (blv->fwd)); |
b0c2d1c6 | 1167 | |
ce5b453a | 1168 | /* Find the new binding. */ |
94b612ad SM |
1169 | XSETSYMBOL (symbol, sym); /* May have changed via aliasing. */ |
1170 | tem1 = Fassq (symbol, | |
1171 | (blv->frame_local | |
e69b0960 | 1172 | ? XFRAME (where)->param_alist |
4b4deea2 | 1173 | : BVAR (XBUFFER (where), local_var_alist))); |
a04e2c62 | 1174 | set_blv_where (blv, where); |
9e677988 | 1175 | blv->found = 1; |
ce5b453a SM |
1176 | |
1177 | if (NILP (tem1)) | |
1178 | { | |
1179 | /* This buffer still sees the default value. */ | |
1180 | ||
1181 | /* If the variable is a Lisp_Some_Buffer_Local_Value, | |
1182 | or if this is `let' rather than `set', | |
1183 | make CURRENT-ALIST-ELEMENT point to itself, | |
1184 | indicating that we're seeing the default value. | |
1185 | Likewise if the variable has been let-bound | |
1186 | in the current buffer. */ | |
1187 | if (bindflag || !blv->local_if_set | |
1188 | || let_shadows_buffer_binding_p (sym)) | |
1189 | { | |
9e677988 | 1190 | blv->found = 0; |
ce5b453a SM |
1191 | tem1 = blv->defcell; |
1192 | } | |
1193 | /* If it's a local_if_set, being set not bound, | |
1194 | and we're not within a let that was made for this buffer, | |
1195 | create a new buffer-local binding for the variable. | |
1196 | That means, give this buffer a new assoc for a local value | |
1197 | and load that binding. */ | |
1198 | else | |
1199 | { | |
1200 | /* local_if_set is only supported for buffer-local | |
1201 | bindings, not for frame-local bindings. */ | |
1202 | eassert (!blv->frame_local); | |
1203 | tem1 = Fcons (symbol, XCDR (blv->defcell)); | |
39eb03f1 PE |
1204 | bset_local_var_alist |
1205 | (XBUFFER (where), | |
1206 | Fcons (tem1, BVAR (XBUFFER (where), local_var_alist))); | |
ce5b453a SM |
1207 | } |
1208 | } | |
1209 | ||
1210 | /* Record which binding is now loaded. */ | |
a04e2c62 | 1211 | set_blv_valcell (blv, tem1); |
ce5b453a | 1212 | } |
b0c2d1c6 | 1213 | |
ce5b453a | 1214 | /* Store the new value in the cons cell. */ |
a04e2c62 | 1215 | set_blv_value (blv, newval); |
d8cafeb5 | 1216 | |
ce5b453a SM |
1217 | if (blv->fwd) |
1218 | { | |
1219 | if (voide) | |
1220 | /* If storing void (making the symbol void), forward only through | |
1221 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1222 | blv->fwd = NULL; | |
1223 | else | |
94b612ad SM |
1224 | store_symval_forwarding (blv->fwd, newval, |
1225 | BUFFERP (where) | |
1226 | ? XBUFFER (where) : current_buffer); | |
ce5b453a SM |
1227 | } |
1228 | break; | |
1229 | } | |
1230 | case SYMBOL_FORWARDED: | |
1231 | { | |
94b612ad SM |
1232 | struct buffer *buf |
1233 | = BUFFERP (where) ? XBUFFER (where) : current_buffer; | |
ce5b453a SM |
1234 | union Lisp_Fwd *innercontents = SYMBOL_FWD (sym); |
1235 | if (BUFFER_OBJFWDP (innercontents)) | |
1236 | { | |
1237 | int offset = XBUFFER_OBJFWD (innercontents)->offset; | |
1238 | int idx = PER_BUFFER_IDX (offset); | |
1239 | if (idx > 0 | |
1240 | && !bindflag | |
1241 | && !let_shadows_buffer_binding_p (sym)) | |
1242 | SET_PER_BUFFER_VALUE_P (buf, idx, 1); | |
1243 | } | |
569c11e3 | 1244 | |
ce5b453a SM |
1245 | if (voide) |
1246 | { /* If storing void (making the symbol void), forward only through | |
1247 | buffer-local indicator, not through Lisp_Objfwd, etc. */ | |
1248 | sym->redirect = SYMBOL_PLAINVAL; | |
1249 | SET_SYMBOL_VAL (sym, newval); | |
1250 | } | |
1251 | else | |
1252 | store_symval_forwarding (/* sym, */ innercontents, newval, buf); | |
1253 | break; | |
1254 | } | |
1088b922 | 1255 | default: emacs_abort (); |
7921925c | 1256 | } |
ce5b453a | 1257 | return; |
7921925c JB |
1258 | } |
1259 | \f | |
1260 | /* Access or set a buffer-local symbol's default value. */ | |
1261 | ||
d9c2a0f2 | 1262 | /* Return the default value of SYMBOL, but don't check for voidness. |
1bfcade3 | 1263 | Return Qunbound if it is void. */ |
7921925c | 1264 | |
112396d6 | 1265 | static Lisp_Object |
971de7fb | 1266 | default_value (Lisp_Object symbol) |
7921925c | 1267 | { |
ce5b453a | 1268 | struct Lisp_Symbol *sym; |
7921925c | 1269 | |
b7826503 | 1270 | CHECK_SYMBOL (symbol); |
ce5b453a | 1271 | sym = XSYMBOL (symbol); |
7921925c | 1272 | |
ce5b453a SM |
1273 | start: |
1274 | switch (sym->redirect) | |
7921925c | 1275 | { |
ce5b453a SM |
1276 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1277 | case SYMBOL_PLAINVAL: return SYMBOL_VAL (sym); | |
1278 | case SYMBOL_LOCALIZED: | |
1279 | { | |
1280 | /* If var is set up for a buffer that lacks a local value for it, | |
1281 | the current value is nominally the default value. | |
1282 | But the `realvalue' slot may be more up to date, since | |
1283 | ordinary setq stores just that slot. So use that. */ | |
1284 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1285 | if (blv->fwd && EQ (blv->valcell, blv->defcell)) | |
1286 | return do_symval_forwarding (blv->fwd); | |
1287 | else | |
1288 | return XCDR (blv->defcell); | |
1289 | } | |
1290 | case SYMBOL_FORWARDED: | |
1291 | { | |
1292 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1293 | |
ce5b453a SM |
1294 | /* For a built-in buffer-local variable, get the default value |
1295 | rather than letting do_symval_forwarding get the current value. */ | |
1296 | if (BUFFER_OBJFWDP (valcontents)) | |
1297 | { | |
1298 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1299 | if (PER_BUFFER_IDX (offset) != 0) | |
4ce60d2e | 1300 | return per_buffer_default (offset); |
ce5b453a SM |
1301 | } |
1302 | ||
1303 | /* For other variables, get the current value. */ | |
1304 | return do_symval_forwarding (valcontents); | |
1305 | } | |
1088b922 | 1306 | default: emacs_abort (); |
7921925c | 1307 | } |
7921925c JB |
1308 | } |
1309 | ||
a7ca3326 | 1310 | DEFUN ("default-boundp", Fdefault_boundp, Sdefault_boundp, 1, 1, 0, |
8c1a1077 PJ |
1311 | doc: /* Return t if SYMBOL has a non-void default value. |
1312 | This is the value that is seen in buffers that do not have their own values | |
1313 | for this variable. */) | |
5842a27b | 1314 | (Lisp_Object symbol) |
7921925c JB |
1315 | { |
1316 | register Lisp_Object value; | |
1317 | ||
d9c2a0f2 | 1318 | value = default_value (symbol); |
1bfcade3 | 1319 | return (EQ (value, Qunbound) ? Qnil : Qt); |
7921925c JB |
1320 | } |
1321 | ||
a7ca3326 | 1322 | DEFUN ("default-value", Fdefault_value, Sdefault_value, 1, 1, 0, |
8c1a1077 PJ |
1323 | doc: /* Return SYMBOL's default value. |
1324 | This is the value that is seen in buffers that do not have their own values | |
1325 | for this variable. The default value is meaningful for variables with | |
1326 | local bindings in certain buffers. */) | |
5842a27b | 1327 | (Lisp_Object symbol) |
7921925c JB |
1328 | { |
1329 | register Lisp_Object value; | |
1330 | ||
d9c2a0f2 | 1331 | value = default_value (symbol); |
740ef0b5 KS |
1332 | if (!EQ (value, Qunbound)) |
1333 | return value; | |
1334 | ||
1335 | xsignal1 (Qvoid_variable, symbol); | |
7921925c JB |
1336 | } |
1337 | ||
a7ca3326 | 1338 | DEFUN ("set-default", Fset_default, Sset_default, 2, 2, 0, |
6e86a75d | 1339 | doc: /* Set SYMBOL's default value to VALUE. SYMBOL and VALUE are evaluated. |
8c1a1077 PJ |
1340 | The default value is seen in buffers that do not have their own values |
1341 | for this variable. */) | |
5842a27b | 1342 | (Lisp_Object symbol, Lisp_Object value) |
7921925c | 1343 | { |
ce5b453a | 1344 | struct Lisp_Symbol *sym; |
7921925c | 1345 | |
b7826503 | 1346 | CHECK_SYMBOL (symbol); |
ce5b453a | 1347 | if (SYMBOL_CONSTANT_P (symbol)) |
7921925c | 1348 | { |
ce5b453a SM |
1349 | if (NILP (Fkeywordp (symbol)) |
1350 | || !EQ (value, Fdefault_value (symbol))) | |
1351 | xsignal1 (Qsetting_constant, symbol); | |
1352 | else | |
1353 | /* Allow setting keywords to their own value. */ | |
1354 | return value; | |
1355 | } | |
1356 | sym = XSYMBOL (symbol); | |
7921925c | 1357 | |
ce5b453a SM |
1358 | start: |
1359 | switch (sym->redirect) | |
1360 | { | |
1361 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1362 | case SYMBOL_PLAINVAL: return Fset (symbol, value); | |
1363 | case SYMBOL_LOCALIZED: | |
1364 | { | |
1365 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
984ef137 | 1366 | |
ce5b453a SM |
1367 | /* Store new value into the DEFAULT-VALUE slot. */ |
1368 | XSETCDR (blv->defcell, value); | |
bfb96cb7 | 1369 | |
ce5b453a SM |
1370 | /* If the default binding is now loaded, set the REALVALUE slot too. */ |
1371 | if (blv->fwd && EQ (blv->defcell, blv->valcell)) | |
1372 | store_symval_forwarding (blv->fwd, value, NULL); | |
1373 | return value; | |
1374 | } | |
1375 | case SYMBOL_FORWARDED: | |
1376 | { | |
1377 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
7921925c | 1378 | |
ce5b453a SM |
1379 | /* Handle variables like case-fold-search that have special slots |
1380 | in the buffer. | |
1381 | Make them work apparently like Lisp_Buffer_Local_Value variables. */ | |
1382 | if (BUFFER_OBJFWDP (valcontents)) | |
1383 | { | |
1384 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1385 | int idx = PER_BUFFER_IDX (offset); | |
7921925c | 1386 | |
4ce60d2e | 1387 | set_per_buffer_default (offset, value); |
7921925c | 1388 | |
ce5b453a SM |
1389 | /* If this variable is not always local in all buffers, |
1390 | set it in the buffers that don't nominally have a local value. */ | |
1391 | if (idx > 0) | |
1392 | { | |
1393 | struct buffer *b; | |
7921925c | 1394 | |
52b852c7 | 1395 | FOR_EACH_BUFFER (b) |
ce5b453a | 1396 | if (!PER_BUFFER_VALUE_P (b, idx)) |
4ce60d2e | 1397 | set_per_buffer_value (b, offset, value); |
ce5b453a SM |
1398 | } |
1399 | return value; | |
1400 | } | |
1401 | else | |
1402 | return Fset (symbol, value); | |
1403 | } | |
1088b922 | 1404 | default: emacs_abort (); |
ce5b453a | 1405 | } |
7921925c JB |
1406 | } |
1407 | ||
7a7df7ac | 1408 | DEFUN ("setq-default", Fsetq_default, Ssetq_default, 0, UNEVALLED, 0, |
8c1a1077 PJ |
1409 | doc: /* Set the default value of variable VAR to VALUE. |
1410 | VAR, the variable name, is literal (not evaluated); | |
bfb96cb7 | 1411 | VALUE is an expression: it is evaluated and its value returned. |
8c1a1077 PJ |
1412 | The default value of a variable is seen in buffers |
1413 | that do not have their own values for the variable. | |
1414 | ||
1415 | More generally, you can use multiple variables and values, as in | |
948d2995 JB |
1416 | (setq-default VAR VALUE VAR VALUE...) |
1417 | This sets each VAR's default value to the corresponding VALUE. | |
1418 | The VALUE for the Nth VAR can refer to the new default values | |
1419 | of previous VARs. | |
70e9f399 | 1420 | usage: (setq-default [VAR VALUE]...) */) |
5842a27b | 1421 | (Lisp_Object args) |
7921925c JB |
1422 | { |
1423 | register Lisp_Object args_left; | |
d9c2a0f2 | 1424 | register Lisp_Object val, symbol; |
7921925c JB |
1425 | struct gcpro gcpro1; |
1426 | ||
a33ef3ab | 1427 | if (NILP (args)) |
7921925c JB |
1428 | return Qnil; |
1429 | ||
1430 | args_left = args; | |
1431 | GCPRO1 (args); | |
1432 | ||
1433 | do | |
1434 | { | |
defb1411 | 1435 | val = eval_sub (Fcar (Fcdr (args_left))); |
d2fde41d | 1436 | symbol = XCAR (args_left); |
d9c2a0f2 | 1437 | Fset_default (symbol, val); |
d2fde41d | 1438 | args_left = Fcdr (XCDR (args_left)); |
7921925c | 1439 | } |
a33ef3ab | 1440 | while (!NILP (args_left)); |
7921925c JB |
1441 | |
1442 | UNGCPRO; | |
1443 | return val; | |
1444 | } | |
1445 | \f | |
a5ca2b75 JB |
1446 | /* Lisp functions for creating and removing buffer-local variables. */ |
1447 | ||
ce5b453a SM |
1448 | union Lisp_Val_Fwd |
1449 | { | |
1450 | Lisp_Object value; | |
1451 | union Lisp_Fwd *fwd; | |
1452 | }; | |
1453 | ||
1454 | static struct Lisp_Buffer_Local_Value * | |
de1339b0 PE |
1455 | make_blv (struct Lisp_Symbol *sym, bool forwarded, |
1456 | union Lisp_Val_Fwd valcontents) | |
ce5b453a | 1457 | { |
38182d90 | 1458 | struct Lisp_Buffer_Local_Value *blv = xmalloc (sizeof *blv); |
c632dfda JD |
1459 | Lisp_Object symbol; |
1460 | Lisp_Object tem; | |
1461 | ||
1462 | XSETSYMBOL (symbol, sym); | |
1463 | tem = Fcons (symbol, (forwarded | |
1464 | ? do_symval_forwarding (valcontents.fwd) | |
1465 | : valcontents.value)); | |
1466 | ||
ce5b453a SM |
1467 | /* Buffer_Local_Values cannot have as realval a buffer-local |
1468 | or keyboard-local forwarding. */ | |
1469 | eassert (!(forwarded && BUFFER_OBJFWDP (valcontents.fwd))); | |
1470 | eassert (!(forwarded && KBOARD_OBJFWDP (valcontents.fwd))); | |
1471 | blv->fwd = forwarded ? valcontents.fwd : NULL; | |
a04e2c62 | 1472 | set_blv_where (blv, Qnil); |
ce5b453a SM |
1473 | blv->frame_local = 0; |
1474 | blv->local_if_set = 0; | |
a04e2c62 DA |
1475 | set_blv_defcell (blv, tem); |
1476 | set_blv_valcell (blv, tem); | |
1477 | set_blv_found (blv, 0); | |
ce5b453a SM |
1478 | return blv; |
1479 | } | |
1480 | ||
a7ca3326 | 1481 | DEFUN ("make-variable-buffer-local", Fmake_variable_buffer_local, |
16a97296 | 1482 | Smake_variable_buffer_local, 1, 1, "vMake Variable Buffer Local: ", |
8c1a1077 PJ |
1483 | doc: /* Make VARIABLE become buffer-local whenever it is set. |
1484 | At any time, the value for the current buffer is in effect, | |
1485 | unless the variable has never been set in this buffer, | |
1486 | in which case the default value is in effect. | |
1487 | Note that binding the variable with `let', or setting it while | |
1488 | a `let'-style binding made in this buffer is in effect, | |
bfb96cb7 | 1489 | does not make the variable buffer-local. Return VARIABLE. |
8c1a1077 | 1490 | |
a9908653 RS |
1491 | In most cases it is better to use `make-local-variable', |
1492 | which makes a variable local in just one buffer. | |
1493 | ||
8c1a1077 | 1494 | The function `default-value' gets the default value and `set-default' sets it. */) |
5842a27b | 1495 | (register Lisp_Object variable) |
7921925c | 1496 | { |
ad97b375 | 1497 | struct Lisp_Symbol *sym; |
ce5b453a | 1498 | struct Lisp_Buffer_Local_Value *blv = NULL; |
bfe3e0a2 | 1499 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
de1339b0 | 1500 | bool forwarded IF_LINT (= 0); |
7921925c | 1501 | |
b7826503 | 1502 | CHECK_SYMBOL (variable); |
ce5b453a | 1503 | sym = XSYMBOL (variable); |
7921925c | 1504 | |
ce5b453a SM |
1505 | start: |
1506 | switch (sym->redirect) | |
fd9440c5 | 1507 | { |
ce5b453a SM |
1508 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1509 | case SYMBOL_PLAINVAL: | |
1510 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1511 | if (EQ (valcontents.value, Qunbound)) | |
1512 | valcontents.value = Qnil; | |
1513 | break; | |
1514 | case SYMBOL_LOCALIZED: | |
1515 | blv = SYMBOL_BLV (sym); | |
1516 | if (blv->frame_local) | |
1517 | error ("Symbol %s may not be buffer-local", | |
1518 | SDATA (SYMBOL_NAME (variable))); | |
1519 | break; | |
1520 | case SYMBOL_FORWARDED: | |
1521 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1522 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1523 | error ("Symbol %s may not be buffer-local", | |
1524 | SDATA (SYMBOL_NAME (variable))); | |
1525 | else if (BUFFER_OBJFWDP (valcontents.fwd)) | |
1526 | return variable; | |
1527 | break; | |
1088b922 | 1528 | default: emacs_abort (); |
fd9440c5 | 1529 | } |
ce5b453a SM |
1530 | |
1531 | if (sym->constant) | |
1532 | error ("Symbol %s may not be buffer-local", SDATA (SYMBOL_NAME (variable))); | |
1533 | ||
1534 | if (!blv) | |
7921925c | 1535 | { |
ce5b453a SM |
1536 | blv = make_blv (sym, forwarded, valcontents); |
1537 | sym->redirect = SYMBOL_LOCALIZED; | |
1538 | SET_SYMBOL_BLV (sym, blv); | |
1539 | { | |
1540 | Lisp_Object symbol; | |
1541 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1542 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1543 | message ("Making %s buffer-local while let-bound!", |
1544 | SDATA (SYMBOL_NAME (variable))); | |
ce5b453a | 1545 | } |
7921925c | 1546 | } |
ce5b453a SM |
1547 | |
1548 | blv->local_if_set = 1; | |
d9c2a0f2 | 1549 | return variable; |
7921925c JB |
1550 | } |
1551 | ||
a7ca3326 | 1552 | DEFUN ("make-local-variable", Fmake_local_variable, Smake_local_variable, |
8c1a1077 PJ |
1553 | 1, 1, "vMake Local Variable: ", |
1554 | doc: /* Make VARIABLE have a separate value in the current buffer. | |
1555 | Other buffers will continue to share a common default value. | |
1556 | \(The buffer-local value of VARIABLE starts out as the same value | |
1557 | VARIABLE previously had. If VARIABLE was void, it remains void.\) | |
a9908653 | 1558 | Return VARIABLE. |
8c1a1077 PJ |
1559 | |
1560 | If the variable is already arranged to become local when set, | |
1561 | this function causes a local value to exist for this buffer, | |
1562 | just as setting the variable would do. | |
1563 | ||
1564 | This function returns VARIABLE, and therefore | |
1565 | (set (make-local-variable 'VARIABLE) VALUE-EXP) | |
1566 | works. | |
1567 | ||
a9908653 RS |
1568 | See also `make-variable-buffer-local'. |
1569 | ||
8c1a1077 | 1570 | Do not use `make-local-variable' to make a hook variable buffer-local. |
515f3f25 | 1571 | Instead, use `add-hook' and specify t for the LOCAL argument. */) |
de1339b0 | 1572 | (Lisp_Object variable) |
7921925c | 1573 | { |
de1339b0 PE |
1574 | Lisp_Object tem; |
1575 | bool forwarded IF_LINT (= 0); | |
bfe3e0a2 | 1576 | union Lisp_Val_Fwd valcontents IF_LINT (= {LISP_INITIALLY_ZERO}); |
ad97b375 | 1577 | struct Lisp_Symbol *sym; |
ce5b453a | 1578 | struct Lisp_Buffer_Local_Value *blv = NULL; |
7921925c | 1579 | |
b7826503 | 1580 | CHECK_SYMBOL (variable); |
ce5b453a | 1581 | sym = XSYMBOL (variable); |
7921925c | 1582 | |
ce5b453a SM |
1583 | start: |
1584 | switch (sym->redirect) | |
1585 | { | |
1586 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; | |
1587 | case SYMBOL_PLAINVAL: | |
1588 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); break; | |
1589 | case SYMBOL_LOCALIZED: | |
1590 | blv = SYMBOL_BLV (sym); | |
1591 | if (blv->frame_local) | |
1592 | error ("Symbol %s may not be buffer-local", | |
1593 | SDATA (SYMBOL_NAME (variable))); | |
1594 | break; | |
1595 | case SYMBOL_FORWARDED: | |
1596 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1597 | if (KBOARD_OBJFWDP (valcontents.fwd)) | |
1598 | error ("Symbol %s may not be buffer-local", | |
1599 | SDATA (SYMBOL_NAME (variable))); | |
1600 | break; | |
1088b922 | 1601 | default: emacs_abort (); |
ce5b453a SM |
1602 | } |
1603 | ||
1604 | if (sym->constant) | |
8b1e1112 SM |
1605 | error ("Symbol %s may not be buffer-local", |
1606 | SDATA (SYMBOL_NAME (variable))); | |
7921925c | 1607 | |
ce5b453a SM |
1608 | if (blv ? blv->local_if_set |
1609 | : (forwarded && BUFFER_OBJFWDP (valcontents.fwd))) | |
7921925c | 1610 | { |
d9c2a0f2 | 1611 | tem = Fboundp (variable); |
7921925c JB |
1612 | /* Make sure the symbol has a local value in this particular buffer, |
1613 | by setting it to the same value it already has. */ | |
d9c2a0f2 EN |
1614 | Fset (variable, (EQ (tem, Qt) ? Fsymbol_value (variable) : Qunbound)); |
1615 | return variable; | |
7921925c | 1616 | } |
ce5b453a | 1617 | if (!blv) |
7921925c | 1618 | { |
ce5b453a SM |
1619 | blv = make_blv (sym, forwarded, valcontents); |
1620 | sym->redirect = SYMBOL_LOCALIZED; | |
1621 | SET_SYMBOL_BLV (sym, blv); | |
1622 | { | |
1623 | Lisp_Object symbol; | |
1624 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1625 | if (let_shadows_global_binding_p (symbol)) | |
8b1e1112 SM |
1626 | message ("Making %s local to %s while let-bound!", |
1627 | SDATA (SYMBOL_NAME (variable)), | |
4b4deea2 | 1628 | SDATA (BVAR (current_buffer, name))); |
ce5b453a | 1629 | } |
7921925c | 1630 | } |
ce5b453a | 1631 | |
42e975f0 | 1632 | /* Make sure this buffer has its own value of symbol. */ |
ce5b453a | 1633 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
4b4deea2 | 1634 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1635 | if (NILP (tem)) |
7921925c | 1636 | { |
ce5b453a SM |
1637 | if (let_shadows_buffer_binding_p (sym)) |
1638 | message ("Making %s buffer-local while locally let-bound!", | |
1639 | SDATA (SYMBOL_NAME (variable))); | |
1640 | ||
a5d004a1 RS |
1641 | /* Swap out any local binding for some other buffer, and make |
1642 | sure the current value is permanently recorded, if it's the | |
1643 | default value. */ | |
d9c2a0f2 | 1644 | find_symbol_value (variable); |
a5d004a1 | 1645 | |
39eb03f1 PE |
1646 | bset_local_var_alist |
1647 | (current_buffer, | |
1648 | Fcons (Fcons (variable, XCDR (blv->defcell)), | |
1649 | BVAR (current_buffer, local_var_alist))); | |
7921925c JB |
1650 | |
1651 | /* Make sure symbol does not think it is set up for this buffer; | |
42e975f0 | 1652 | force it to look once again for this buffer's value. */ |
ce5b453a | 1653 | if (current_buffer == XBUFFER (blv->where)) |
a04e2c62 DA |
1654 | set_blv_where (blv, Qnil); |
1655 | set_blv_found (blv, 0); | |
7921925c | 1656 | } |
a5ca2b75 | 1657 | |
42e975f0 RS |
1658 | /* If the symbol forwards into a C variable, then load the binding |
1659 | for this buffer now. If C code modifies the variable before we | |
1660 | load the binding in, then that new value will clobber the default | |
1661 | binding the next time we unload it. */ | |
ce5b453a SM |
1662 | if (blv->fwd) |
1663 | swap_in_symval_forwarding (sym, blv); | |
a5ca2b75 | 1664 | |
d9c2a0f2 | 1665 | return variable; |
7921925c JB |
1666 | } |
1667 | ||
1668 | DEFUN ("kill-local-variable", Fkill_local_variable, Skill_local_variable, | |
8c1a1077 PJ |
1669 | 1, 1, "vKill Local Variable: ", |
1670 | doc: /* Make VARIABLE no longer have a separate value in the current buffer. | |
bfb96cb7 | 1671 | From now on the default value will apply in this buffer. Return VARIABLE. */) |
5842a27b | 1672 | (register Lisp_Object variable) |
7921925c | 1673 | { |
ce5b453a SM |
1674 | register Lisp_Object tem; |
1675 | struct Lisp_Buffer_Local_Value *blv; | |
ad97b375 | 1676 | struct Lisp_Symbol *sym; |
7921925c | 1677 | |
b7826503 | 1678 | CHECK_SYMBOL (variable); |
ce5b453a | 1679 | sym = XSYMBOL (variable); |
7921925c | 1680 | |
ce5b453a SM |
1681 | start: |
1682 | switch (sym->redirect) | |
7921925c | 1683 | { |
ce5b453a SM |
1684 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1685 | case SYMBOL_PLAINVAL: return variable; | |
1686 | case SYMBOL_FORWARDED: | |
1687 | { | |
1688 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1689 | if (BUFFER_OBJFWDP (valcontents)) | |
1690 | { | |
1691 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1692 | int idx = PER_BUFFER_IDX (offset); | |
1693 | ||
1694 | if (idx > 0) | |
1695 | { | |
1696 | SET_PER_BUFFER_VALUE_P (current_buffer, idx, 0); | |
4ce60d2e DA |
1697 | set_per_buffer_value (current_buffer, offset, |
1698 | per_buffer_default (offset)); | |
ce5b453a SM |
1699 | } |
1700 | } | |
1701 | return variable; | |
1702 | } | |
1703 | case SYMBOL_LOCALIZED: | |
1704 | blv = SYMBOL_BLV (sym); | |
1705 | if (blv->frame_local) | |
1706 | return variable; | |
1707 | break; | |
1088b922 | 1708 | default: emacs_abort (); |
7921925c JB |
1709 | } |
1710 | ||
42e975f0 | 1711 | /* Get rid of this buffer's alist element, if any. */ |
ad97b375 | 1712 | XSETSYMBOL (variable, sym); /* Propagate variable indirection. */ |
4b4deea2 | 1713 | tem = Fassq (variable, BVAR (current_buffer, local_var_alist)); |
a33ef3ab | 1714 | if (!NILP (tem)) |
39eb03f1 PE |
1715 | bset_local_var_alist |
1716 | (current_buffer, | |
1717 | Fdelq (tem, BVAR (current_buffer, local_var_alist))); | |
7921925c | 1718 | |
42e975f0 RS |
1719 | /* If the symbol is set up with the current buffer's binding |
1720 | loaded, recompute its value. We have to do it now, or else | |
1721 | forwarded objects won't work right. */ | |
7921925c | 1722 | { |
ce5b453a SM |
1723 | Lisp_Object buf; XSETBUFFER (buf, current_buffer); |
1724 | if (EQ (buf, blv->where)) | |
79c83e03 | 1725 | { |
a04e2c62 | 1726 | set_blv_where (blv, Qnil); |
9e677988 | 1727 | blv->found = 0; |
978dd578 | 1728 | find_symbol_value (variable); |
79c83e03 | 1729 | } |
7921925c JB |
1730 | } |
1731 | ||
d9c2a0f2 | 1732 | return variable; |
7921925c | 1733 | } |
62476adc | 1734 | |
b0c2d1c6 RS |
1735 | /* Lisp functions for creating and removing buffer-local variables. */ |
1736 | ||
ab795c65 GM |
1737 | /* Obsolete since 22.2. NB adjust doc of modify-frame-parameters |
1738 | when/if this is removed. */ | |
1739 | ||
b0c2d1c6 | 1740 | DEFUN ("make-variable-frame-local", Fmake_variable_frame_local, Smake_variable_frame_local, |
8c1a1077 PJ |
1741 | 1, 1, "vMake Variable Frame Local: ", |
1742 | doc: /* Enable VARIABLE to have frame-local bindings. | |
4d4d36b1 RS |
1743 | This does not create any frame-local bindings for VARIABLE, |
1744 | it just makes them possible. | |
1745 | ||
1746 | A frame-local binding is actually a frame parameter value. | |
1747 | If a frame F has a value for the frame parameter named VARIABLE, | |
1748 | that also acts as a frame-local binding for VARIABLE in F-- | |
1749 | provided this function has been called to enable VARIABLE | |
1750 | to have frame-local bindings at all. | |
1751 | ||
1752 | The only way to create a frame-local binding for VARIABLE in a frame | |
1753 | is to set the VARIABLE frame parameter of that frame. See | |
1754 | `modify-frame-parameters' for how to set frame parameters. | |
1755 | ||
a02a1384 GM |
1756 | Note that since Emacs 23.1, variables cannot be both buffer-local and |
1757 | frame-local any more (buffer-local bindings used to take precedence over | |
1758 | frame-local bindings). */) | |
de1339b0 | 1759 | (Lisp_Object variable) |
b0c2d1c6 | 1760 | { |
de1339b0 | 1761 | bool forwarded; |
ce5b453a | 1762 | union Lisp_Val_Fwd valcontents; |
ad97b375 | 1763 | struct Lisp_Symbol *sym; |
ce5b453a | 1764 | struct Lisp_Buffer_Local_Value *blv = NULL; |
b0c2d1c6 | 1765 | |
b7826503 | 1766 | CHECK_SYMBOL (variable); |
ce5b453a | 1767 | sym = XSYMBOL (variable); |
b0c2d1c6 | 1768 | |
ce5b453a SM |
1769 | start: |
1770 | switch (sym->redirect) | |
42e975f0 | 1771 | { |
ce5b453a SM |
1772 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1773 | case SYMBOL_PLAINVAL: | |
1774 | forwarded = 0; valcontents.value = SYMBOL_VAL (sym); | |
1775 | if (EQ (valcontents.value, Qunbound)) | |
1776 | valcontents.value = Qnil; | |
1777 | break; | |
1778 | case SYMBOL_LOCALIZED: | |
1779 | if (SYMBOL_BLV (sym)->frame_local) | |
1780 | return variable; | |
1781 | else | |
1782 | error ("Symbol %s may not be frame-local", | |
1783 | SDATA (SYMBOL_NAME (variable))); | |
1784 | case SYMBOL_FORWARDED: | |
1785 | forwarded = 1; valcontents.fwd = SYMBOL_FWD (sym); | |
1786 | if (KBOARD_OBJFWDP (valcontents.fwd) || BUFFER_OBJFWDP (valcontents.fwd)) | |
1787 | error ("Symbol %s may not be frame-local", | |
1788 | SDATA (SYMBOL_NAME (variable))); | |
1789 | break; | |
1088b922 | 1790 | default: emacs_abort (); |
42e975f0 | 1791 | } |
b0c2d1c6 | 1792 | |
ce5b453a SM |
1793 | if (sym->constant) |
1794 | error ("Symbol %s may not be frame-local", SDATA (SYMBOL_NAME (variable))); | |
1795 | ||
1796 | blv = make_blv (sym, forwarded, valcontents); | |
1797 | blv->frame_local = 1; | |
1798 | sym->redirect = SYMBOL_LOCALIZED; | |
1799 | SET_SYMBOL_BLV (sym, blv); | |
8b1e1112 SM |
1800 | { |
1801 | Lisp_Object symbol; | |
1802 | XSETSYMBOL (symbol, sym); /* In case `variable' is aliased. */ | |
1803 | if (let_shadows_global_binding_p (symbol)) | |
1804 | message ("Making %s frame-local while let-bound!", | |
1805 | SDATA (SYMBOL_NAME (variable))); | |
1806 | } | |
b0c2d1c6 RS |
1807 | return variable; |
1808 | } | |
1809 | ||
a7ca3326 | 1810 | DEFUN ("local-variable-p", Flocal_variable_p, Slocal_variable_p, |
8c1a1077 PJ |
1811 | 1, 2, 0, |
1812 | doc: /* Non-nil if VARIABLE has a local binding in buffer BUFFER. | |
1813 | BUFFER defaults to the current buffer. */) | |
5842a27b | 1814 | (register Lisp_Object variable, Lisp_Object buffer) |
62476adc | 1815 | { |
c48ead86 | 1816 | register struct buffer *buf; |
ad97b375 | 1817 | struct Lisp_Symbol *sym; |
c48ead86 KH |
1818 | |
1819 | if (NILP (buffer)) | |
1820 | buf = current_buffer; | |
1821 | else | |
1822 | { | |
b7826503 | 1823 | CHECK_BUFFER (buffer); |
c48ead86 KH |
1824 | buf = XBUFFER (buffer); |
1825 | } | |
62476adc | 1826 | |
b7826503 | 1827 | CHECK_SYMBOL (variable); |
ce5b453a | 1828 | sym = XSYMBOL (variable); |
be95bee9 | 1829 | |
ce5b453a SM |
1830 | start: |
1831 | switch (sym->redirect) | |
c48ead86 | 1832 | { |
ce5b453a SM |
1833 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1834 | case SYMBOL_PLAINVAL: return Qnil; | |
1835 | case SYMBOL_LOCALIZED: | |
1836 | { | |
1837 | Lisp_Object tail, elt, tmp; | |
1838 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1839 | XSETBUFFER (tmp, buf); | |
8d1d9587 | 1840 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ |
aa3830c4 | 1841 | |
4b4deea2 | 1842 | for (tail = BVAR (buf, local_var_alist); CONSP (tail); tail = XCDR (tail)) |
ce5b453a SM |
1843 | { |
1844 | elt = XCAR (tail); | |
1845 | if (EQ (variable, XCAR (elt))) | |
1846 | { | |
1847 | eassert (!blv->frame_local); | |
a04e2c62 | 1848 | eassert (blv_found (blv) || !EQ (blv->where, tmp)); |
ce5b453a SM |
1849 | return Qt; |
1850 | } | |
1851 | } | |
a04e2c62 | 1852 | eassert (!blv_found (blv) || !EQ (blv->where, tmp)); |
ce5b453a SM |
1853 | return Qnil; |
1854 | } | |
1855 | case SYMBOL_FORWARDED: | |
1856 | { | |
1857 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1858 | if (BUFFER_OBJFWDP (valcontents)) | |
1859 | { | |
1860 | int offset = XBUFFER_OBJFWD (valcontents)->offset; | |
1861 | int idx = PER_BUFFER_IDX (offset); | |
1862 | if (idx == -1 || PER_BUFFER_VALUE_P (buf, idx)) | |
1863 | return Qt; | |
1864 | } | |
1865 | return Qnil; | |
1866 | } | |
1088b922 | 1867 | default: emacs_abort (); |
c48ead86 | 1868 | } |
62476adc | 1869 | } |
f4f04cee RS |
1870 | |
1871 | DEFUN ("local-variable-if-set-p", Flocal_variable_if_set_p, Slocal_variable_if_set_p, | |
8c1a1077 | 1872 | 1, 2, 0, |
1a5432bc CY |
1873 | doc: /* Non-nil if VARIABLE is local in buffer BUFFER when set there. |
1874 | BUFFER defaults to the current buffer. | |
1875 | ||
1876 | More precisely, return non-nil if either VARIABLE already has a local | |
1877 | value in BUFFER, or if VARIABLE is automatically buffer-local (see | |
1878 | `make-variable-buffer-local'). */) | |
5842a27b | 1879 | (register Lisp_Object variable, Lisp_Object buffer) |
f4f04cee | 1880 | { |
ad97b375 | 1881 | struct Lisp_Symbol *sym; |
f4f04cee | 1882 | |
b7826503 | 1883 | CHECK_SYMBOL (variable); |
ce5b453a | 1884 | sym = XSYMBOL (variable); |
f4f04cee | 1885 | |
ce5b453a SM |
1886 | start: |
1887 | switch (sym->redirect) | |
f4f04cee | 1888 | { |
ce5b453a SM |
1889 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1890 | case SYMBOL_PLAINVAL: return Qnil; | |
1891 | case SYMBOL_LOCALIZED: | |
1892 | { | |
1893 | struct Lisp_Buffer_Local_Value *blv = SYMBOL_BLV (sym); | |
1894 | if (blv->local_if_set) | |
1895 | return Qt; | |
1896 | XSETSYMBOL (variable, sym); /* Update in case of aliasing. */ | |
1897 | return Flocal_variable_p (variable, buffer); | |
1898 | } | |
1899 | case SYMBOL_FORWARDED: | |
1900 | /* All BUFFER_OBJFWD slots become local if they are set. */ | |
1901 | return (BUFFER_OBJFWDP (SYMBOL_FWD (sym)) ? Qt : Qnil); | |
1088b922 | 1902 | default: emacs_abort (); |
f4f04cee | 1903 | } |
f4f04cee | 1904 | } |
6b61353c KH |
1905 | |
1906 | DEFUN ("variable-binding-locus", Fvariable_binding_locus, Svariable_binding_locus, | |
1907 | 1, 1, 0, | |
1908 | doc: /* Return a value indicating where VARIABLE's current binding comes from. | |
1909 | If the current binding is buffer-local, the value is the current buffer. | |
1910 | If the current binding is frame-local, the value is the selected frame. | |
1911 | If the current binding is global (the default), the value is nil. */) | |
5842a27b | 1912 | (register Lisp_Object variable) |
6b61353c | 1913 | { |
ad97b375 | 1914 | struct Lisp_Symbol *sym; |
6b61353c KH |
1915 | |
1916 | CHECK_SYMBOL (variable); | |
ce5b453a | 1917 | sym = XSYMBOL (variable); |
6b61353c KH |
1918 | |
1919 | /* Make sure the current binding is actually swapped in. */ | |
1920 | find_symbol_value (variable); | |
1921 | ||
ce5b453a SM |
1922 | start: |
1923 | switch (sym->redirect) | |
6b61353c | 1924 | { |
ce5b453a SM |
1925 | case SYMBOL_VARALIAS: sym = indirect_variable (sym); goto start; |
1926 | case SYMBOL_PLAINVAL: return Qnil; | |
1927 | case SYMBOL_FORWARDED: | |
1928 | { | |
1929 | union Lisp_Fwd *valcontents = SYMBOL_FWD (sym); | |
1930 | if (KBOARD_OBJFWDP (valcontents)) | |
1931 | return Fframe_terminal (Fselected_frame ()); | |
1932 | else if (!BUFFER_OBJFWDP (valcontents)) | |
1933 | return Qnil; | |
1934 | } | |
1935 | /* FALLTHROUGH */ | |
1936 | case SYMBOL_LOCALIZED: | |
6b61353c KH |
1937 | /* For a local variable, record both the symbol and which |
1938 | buffer's or frame's value we are saving. */ | |
1939 | if (!NILP (Flocal_variable_p (variable, Qnil))) | |
1940 | return Fcurrent_buffer (); | |
ce5b453a | 1941 | else if (sym->redirect == SYMBOL_LOCALIZED |
a04e2c62 | 1942 | && blv_found (SYMBOL_BLV (sym))) |
ce5b453a SM |
1943 | return SYMBOL_BLV (sym)->where; |
1944 | else | |
1945 | return Qnil; | |
1088b922 | 1946 | default: emacs_abort (); |
6b61353c | 1947 | } |
6b61353c | 1948 | } |
2a42d440 | 1949 | |
c40bb1ba KL |
1950 | /* This code is disabled now that we use the selected frame to return |
1951 | keyboard-local-values. */ | |
1952 | #if 0 | |
f57e2426 | 1953 | extern struct terminal *get_terminal (Lisp_Object display, int); |
2a42d440 | 1954 | |
a7ca3326 | 1955 | DEFUN ("terminal-local-value", Fterminal_local_value, |
16a97296 | 1956 | Sterminal_local_value, 2, 2, 0, |
6ed8eeff | 1957 | doc: /* Return the terminal-local value of SYMBOL on TERMINAL. |
2a42d440 KL |
1958 | If SYMBOL is not a terminal-local variable, then return its normal |
1959 | value, like `symbol-value'. | |
1960 | ||
708e05dc | 1961 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 1962 | selected frame's terminal device). */) |
5842a27b | 1963 | (Lisp_Object symbol, Lisp_Object terminal) |
2a42d440 KL |
1964 | { |
1965 | Lisp_Object result; | |
6ed8eeff KL |
1966 | struct terminal *t = get_terminal (terminal, 1); |
1967 | push_kboard (t->kboard); | |
2a42d440 | 1968 | result = Fsymbol_value (symbol); |
256c9c3a | 1969 | pop_kboard (); |
2a42d440 KL |
1970 | return result; |
1971 | } | |
1972 | ||
a7ca3326 | 1973 | DEFUN ("set-terminal-local-value", Fset_terminal_local_value, |
16a97296 | 1974 | Sset_terminal_local_value, 3, 3, 0, |
6ed8eeff | 1975 | doc: /* Set the terminal-local binding of SYMBOL on TERMINAL to VALUE. |
2a42d440 | 1976 | If VARIABLE is not a terminal-local variable, then set its normal |
7e59217d KL |
1977 | binding, like `set'. |
1978 | ||
708e05dc | 1979 | TERMINAL may be a terminal object, a frame, or nil (meaning the |
6ed8eeff | 1980 | selected frame's terminal device). */) |
5842a27b | 1981 | (Lisp_Object symbol, Lisp_Object terminal, Lisp_Object value) |
2a42d440 KL |
1982 | { |
1983 | Lisp_Object result; | |
6ed8eeff | 1984 | struct terminal *t = get_terminal (terminal, 1); |
256c9c3a | 1985 | push_kboard (d->kboard); |
2a42d440 | 1986 | result = Fset (symbol, value); |
256c9c3a | 1987 | pop_kboard (); |
2a42d440 KL |
1988 | return result; |
1989 | } | |
c40bb1ba | 1990 | #endif |
7921925c | 1991 | \f |
ffd56f97 JB |
1992 | /* Find the function at the end of a chain of symbol function indirections. */ |
1993 | ||
1994 | /* If OBJECT is a symbol, find the end of its function chain and | |
1995 | return the value found there. If OBJECT is not a symbol, just | |
1996 | return it. If there is a cycle in the function chain, signal a | |
1997 | cyclic-function-indirection error. | |
1998 | ||
1999 | This is like Findirect_function, except that it doesn't signal an | |
2000 | error if the chain ends up unbound. */ | |
2001 | Lisp_Object | |
971de7fb | 2002 | indirect_function (register Lisp_Object object) |
ffd56f97 | 2003 | { |
eb8c3be9 | 2004 | Lisp_Object tortoise, hare; |
ffd56f97 | 2005 | |
eb8c3be9 | 2006 | hare = tortoise = object; |
ffd56f97 JB |
2007 | |
2008 | for (;;) | |
2009 | { | |
e9ebc175 | 2010 | if (!SYMBOLP (hare) || EQ (hare, Qunbound)) |
ffd56f97 | 2011 | break; |
c644523b | 2012 | hare = XSYMBOL (hare)->function; |
e9ebc175 | 2013 | if (!SYMBOLP (hare) || EQ (hare, Qunbound)) |
ffd56f97 | 2014 | break; |
c644523b | 2015 | hare = XSYMBOL (hare)->function; |
ffd56f97 | 2016 | |
c644523b | 2017 | tortoise = XSYMBOL (tortoise)->function; |
ffd56f97 | 2018 | |
eb8c3be9 | 2019 | if (EQ (hare, tortoise)) |
740ef0b5 | 2020 | xsignal1 (Qcyclic_function_indirection, object); |
ffd56f97 JB |
2021 | } |
2022 | ||
2023 | return hare; | |
2024 | } | |
2025 | ||
a7ca3326 | 2026 | DEFUN ("indirect-function", Findirect_function, Sindirect_function, 1, 2, 0, |
8c1a1077 | 2027 | doc: /* Return the function at the end of OBJECT's function chain. |
0ddb0ae8 TTN |
2028 | If OBJECT is not a symbol, just return it. Otherwise, follow all |
2029 | function indirections to find the final function binding and return it. | |
2030 | If the final symbol in the chain is unbound, signal a void-function error. | |
8350f087 | 2031 | Optional arg NOERROR non-nil means to return nil instead of signaling. |
8c1a1077 PJ |
2032 | Signal a cyclic-function-indirection error if there is a loop in the |
2033 | function chain of symbols. */) | |
5842a27b | 2034 | (register Lisp_Object object, Lisp_Object noerror) |
ffd56f97 JB |
2035 | { |
2036 | Lisp_Object result; | |
2037 | ||
64de53d8 KS |
2038 | /* Optimize for no indirection. */ |
2039 | result = object; | |
2040 | if (SYMBOLP (result) && !EQ (result, Qunbound) | |
c644523b | 2041 | && (result = XSYMBOL (result)->function, SYMBOLP (result))) |
64de53d8 KS |
2042 | result = indirect_function (result); |
2043 | if (!EQ (result, Qunbound)) | |
2044 | return result; | |
ffd56f97 | 2045 | |
64de53d8 | 2046 | if (NILP (noerror)) |
740ef0b5 | 2047 | xsignal1 (Qvoid_function, object); |
ffd56f97 | 2048 | |
64de53d8 | 2049 | return Qnil; |
ffd56f97 JB |
2050 | } |
2051 | \f | |
7abaf5cc | 2052 | /* Extract and set vector and string elements. */ |
7921925c | 2053 | |
a7ca3326 | 2054 | DEFUN ("aref", Faref, Saref, 2, 2, 0, |
8c1a1077 PJ |
2055 | doc: /* Return the element of ARRAY at index IDX. |
2056 | ARRAY may be a vector, a string, a char-table, a bool-vector, | |
2057 | or a byte-code object. IDX starts at 0. */) | |
5842a27b | 2058 | (register Lisp_Object array, Lisp_Object idx) |
7921925c | 2059 | { |
ace1712c | 2060 | register EMACS_INT idxval; |
7921925c | 2061 | |
b7826503 | 2062 | CHECK_NUMBER (idx); |
7921925c | 2063 | idxval = XINT (idx); |
e9ebc175 | 2064 | if (STRINGP (array)) |
7921925c | 2065 | { |
ace1712c | 2066 | int c; |
d311d28c | 2067 | ptrdiff_t idxval_byte; |
25638b07 | 2068 | |
d5db4077 | 2069 | if (idxval < 0 || idxval >= SCHARS (array)) |
c24e4efe | 2070 | args_out_of_range (array, idx); |
25638b07 | 2071 | if (! STRING_MULTIBYTE (array)) |
d5db4077 | 2072 | return make_number ((unsigned char) SREF (array, idxval)); |
25638b07 RS |
2073 | idxval_byte = string_char_to_byte (array, idxval); |
2074 | ||
62a6e103 | 2075 | c = STRING_CHAR (SDATA (array) + idxval_byte); |
25638b07 | 2076 | return make_number (c); |
7921925c | 2077 | } |
4d276982 RS |
2078 | else if (BOOL_VECTOR_P (array)) |
2079 | { | |
2080 | int val; | |
4d276982 RS |
2081 | |
2082 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2083 | args_out_of_range (array, idx); | |
2084 | ||
b9ed2177 AS |
2085 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
2086 | return (val & (1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)) ? Qt : Qnil); | |
4d276982 RS |
2087 | } |
2088 | else if (CHAR_TABLE_P (array)) | |
2089 | { | |
e6e1f521 KH |
2090 | CHECK_CHARACTER (idx); |
2091 | return CHAR_TABLE_REF (array, idxval); | |
4d276982 | 2092 | } |
7921925c | 2093 | else |
c24e4efe | 2094 | { |
90d8445b | 2095 | ptrdiff_t size = 0; |
7f358972 | 2096 | if (VECTORP (array)) |
77b37c05 | 2097 | size = ASIZE (array); |
876c194c | 2098 | else if (COMPILEDP (array)) |
77b37c05 | 2099 | size = ASIZE (array) & PSEUDOVECTOR_SIZE_MASK; |
7f358972 RS |
2100 | else |
2101 | wrong_type_argument (Qarrayp, array); | |
2102 | ||
2103 | if (idxval < 0 || idxval >= size) | |
c24e4efe | 2104 | args_out_of_range (array, idx); |
b9598260 | 2105 | return AREF (array, idxval); |
c24e4efe | 2106 | } |
7921925c JB |
2107 | } |
2108 | ||
a7ca3326 | 2109 | DEFUN ("aset", Faset, Saset, 3, 3, 0, |
8c1a1077 | 2110 | doc: /* Store into the element of ARRAY at index IDX the value NEWELT. |
bfb96cb7 FP |
2111 | Return NEWELT. ARRAY may be a vector, a string, a char-table or a |
2112 | bool-vector. IDX starts at 0. */) | |
5842a27b | 2113 | (register Lisp_Object array, Lisp_Object idx, Lisp_Object newelt) |
7921925c | 2114 | { |
ace1712c | 2115 | register EMACS_INT idxval; |
7921925c | 2116 | |
b7826503 | 2117 | CHECK_NUMBER (idx); |
7921925c | 2118 | idxval = XINT (idx); |
0c64a8cd | 2119 | CHECK_ARRAY (array, Qarrayp); |
7921925c JB |
2120 | CHECK_IMPURE (array); |
2121 | ||
e9ebc175 | 2122 | if (VECTORP (array)) |
c24e4efe | 2123 | { |
77b37c05 | 2124 | if (idxval < 0 || idxval >= ASIZE (array)) |
c24e4efe | 2125 | args_out_of_range (array, idx); |
28be1ada | 2126 | ASET (array, idxval, newelt); |
c24e4efe | 2127 | } |
4d276982 RS |
2128 | else if (BOOL_VECTOR_P (array)) |
2129 | { | |
2130 | int val; | |
4d276982 RS |
2131 | |
2132 | if (idxval < 0 || idxval >= XBOOL_VECTOR (array)->size) | |
2133 | args_out_of_range (array, idx); | |
2134 | ||
b9ed2177 | 2135 | val = (unsigned char) XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR]; |
4d276982 RS |
2136 | |
2137 | if (! NILP (newelt)) | |
b9ed2177 | 2138 | val |= 1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR); |
4d276982 | 2139 | else |
b9ed2177 AS |
2140 | val &= ~(1 << (idxval % BOOL_VECTOR_BITS_PER_CHAR)); |
2141 | XBOOL_VECTOR (array)->data[idxval / BOOL_VECTOR_BITS_PER_CHAR] = val; | |
4d276982 RS |
2142 | } |
2143 | else if (CHAR_TABLE_P (array)) | |
2144 | { | |
e6e1f521 KH |
2145 | CHECK_CHARACTER (idx); |
2146 | CHAR_TABLE_SET (array, idxval, newelt); | |
4d276982 | 2147 | } |
0fed43f3 | 2148 | else |
25638b07 | 2149 | { |
13bdea59 | 2150 | int c; |
25638b07 | 2151 | |
d5db4077 | 2152 | if (idxval < 0 || idxval >= SCHARS (array)) |
25638b07 | 2153 | args_out_of_range (array, idx); |
d9130605 | 2154 | CHECK_CHARACTER (newelt); |
13bdea59 | 2155 | c = XFASTINT (newelt); |
25638b07 | 2156 | |
0fed43f3 | 2157 | if (STRING_MULTIBYTE (array)) |
3c9de1af | 2158 | { |
d311d28c PE |
2159 | ptrdiff_t idxval_byte, nbytes; |
2160 | int prev_bytes, new_bytes; | |
0fed43f3 PE |
2161 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *p0 = workbuf, *p1; |
2162 | ||
2163 | nbytes = SBYTES (array); | |
2164 | idxval_byte = string_char_to_byte (array, idxval); | |
d5db4077 | 2165 | p1 = SDATA (array) + idxval_byte; |
0fed43f3 PE |
2166 | prev_bytes = BYTES_BY_CHAR_HEAD (*p1); |
2167 | new_bytes = CHAR_STRING (c, p0); | |
2168 | if (prev_bytes != new_bytes) | |
2169 | { | |
2170 | /* We must relocate the string data. */ | |
d311d28c | 2171 | ptrdiff_t nchars = SCHARS (array); |
0fed43f3 | 2172 | USE_SAFE_ALLOCA; |
98c6f1e3 | 2173 | unsigned char *str = SAFE_ALLOCA (nbytes); |
0fed43f3 | 2174 | |
0fed43f3 PE |
2175 | memcpy (str, SDATA (array), nbytes); |
2176 | allocate_string_data (XSTRING (array), nchars, | |
2177 | nbytes + new_bytes - prev_bytes); | |
2178 | memcpy (SDATA (array), str, idxval_byte); | |
2179 | p1 = SDATA (array) + idxval_byte; | |
2180 | memcpy (p1 + new_bytes, str + idxval_byte + prev_bytes, | |
2181 | nbytes - (idxval_byte + prev_bytes)); | |
2182 | SAFE_FREE (); | |
2183 | clear_string_char_byte_cache (); | |
2184 | } | |
2185 | while (new_bytes--) | |
2186 | *p1++ = *p0++; | |
3c9de1af | 2187 | } |
0fed43f3 | 2188 | else |
5dff5999 | 2189 | { |
0fed43f3 PE |
2190 | if (! SINGLE_BYTE_CHAR_P (c)) |
2191 | { | |
2192 | int i; | |
2193 | ||
2194 | for (i = SBYTES (array) - 1; i >= 0; i--) | |
2195 | if (SREF (array, i) >= 0x80) | |
2196 | args_out_of_range (array, newelt); | |
2197 | /* ARRAY is an ASCII string. Convert it to a multibyte | |
2198 | string, and try `aset' again. */ | |
2199 | STRING_SET_MULTIBYTE (array); | |
2200 | return Faset (array, idx, newelt); | |
2201 | } | |
2202 | SSET (array, idxval, c); | |
5dff5999 | 2203 | } |
7921925c JB |
2204 | } |
2205 | ||
2206 | return newelt; | |
2207 | } | |
7921925c JB |
2208 | \f |
2209 | /* Arithmetic functions */ | |
2210 | ||
2211 | enum comparison { equal, notequal, less, grtr, less_or_equal, grtr_or_equal }; | |
2212 | ||
112396d6 | 2213 | static Lisp_Object |
971de7fb | 2214 | arithcompare (Lisp_Object num1, Lisp_Object num2, enum comparison comparison) |
7921925c | 2215 | { |
6bbd7a29 | 2216 | double f1 = 0, f2 = 0; |
de1339b0 | 2217 | bool floatp = 0; |
7921925c | 2218 | |
b7826503 PJ |
2219 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num1); |
2220 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (num2); | |
7921925c | 2221 | |
e9ebc175 | 2222 | if (FLOATP (num1) || FLOATP (num2)) |
7921925c JB |
2223 | { |
2224 | floatp = 1; | |
7539e11f KR |
2225 | f1 = (FLOATP (num1)) ? XFLOAT_DATA (num1) : XINT (num1); |
2226 | f2 = (FLOATP (num2)) ? XFLOAT_DATA (num2) : XINT (num2); | |
7921925c | 2227 | } |
7921925c JB |
2228 | |
2229 | switch (comparison) | |
2230 | { | |
2231 | case equal: | |
2232 | if (floatp ? f1 == f2 : XINT (num1) == XINT (num2)) | |
2233 | return Qt; | |
2234 | return Qnil; | |
2235 | ||
2236 | case notequal: | |
2237 | if (floatp ? f1 != f2 : XINT (num1) != XINT (num2)) | |
2238 | return Qt; | |
2239 | return Qnil; | |
2240 | ||
2241 | case less: | |
2242 | if (floatp ? f1 < f2 : XINT (num1) < XINT (num2)) | |
2243 | return Qt; | |
2244 | return Qnil; | |
2245 | ||
2246 | case less_or_equal: | |
2247 | if (floatp ? f1 <= f2 : XINT (num1) <= XINT (num2)) | |
2248 | return Qt; | |
2249 | return Qnil; | |
2250 | ||
2251 | case grtr: | |
2252 | if (floatp ? f1 > f2 : XINT (num1) > XINT (num2)) | |
2253 | return Qt; | |
2254 | return Qnil; | |
2255 | ||
2256 | case grtr_or_equal: | |
2257 | if (floatp ? f1 >= f2 : XINT (num1) >= XINT (num2)) | |
2258 | return Qt; | |
2259 | return Qnil; | |
25e40a4b JB |
2260 | |
2261 | default: | |
1088b922 | 2262 | emacs_abort (); |
7921925c JB |
2263 | } |
2264 | } | |
2265 | ||
2266 | DEFUN ("=", Feqlsign, Seqlsign, 2, 2, 0, | |
8c1a1077 | 2267 | doc: /* Return t if two args, both numbers or markers, are equal. */) |
5842a27b | 2268 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2269 | { |
2270 | return arithcompare (num1, num2, equal); | |
2271 | } | |
2272 | ||
a7ca3326 | 2273 | DEFUN ("<", Flss, Slss, 2, 2, 0, |
8c1a1077 | 2274 | doc: /* Return t if first arg is less than second arg. Both must be numbers or markers. */) |
5842a27b | 2275 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2276 | { |
2277 | return arithcompare (num1, num2, less); | |
2278 | } | |
2279 | ||
a7ca3326 | 2280 | DEFUN (">", Fgtr, Sgtr, 2, 2, 0, |
8c1a1077 | 2281 | doc: /* Return t if first arg is greater than second arg. Both must be numbers or markers. */) |
5842a27b | 2282 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2283 | { |
2284 | return arithcompare (num1, num2, grtr); | |
2285 | } | |
2286 | ||
a7ca3326 | 2287 | DEFUN ("<=", Fleq, Sleq, 2, 2, 0, |
8c1a1077 PJ |
2288 | doc: /* Return t if first arg is less than or equal to second arg. |
2289 | Both must be numbers or markers. */) | |
5842a27b | 2290 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2291 | { |
2292 | return arithcompare (num1, num2, less_or_equal); | |
2293 | } | |
2294 | ||
a7ca3326 | 2295 | DEFUN (">=", Fgeq, Sgeq, 2, 2, 0, |
8c1a1077 PJ |
2296 | doc: /* Return t if first arg is greater than or equal to second arg. |
2297 | Both must be numbers or markers. */) | |
5842a27b | 2298 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2299 | { |
2300 | return arithcompare (num1, num2, grtr_or_equal); | |
2301 | } | |
2302 | ||
2303 | DEFUN ("/=", Fneq, Sneq, 2, 2, 0, | |
8c1a1077 | 2304 | doc: /* Return t if first arg is not equal to second arg. Both must be numbers or markers. */) |
5842a27b | 2305 | (register Lisp_Object num1, Lisp_Object num2) |
7921925c JB |
2306 | { |
2307 | return arithcompare (num1, num2, notequal); | |
2308 | } | |
2309 | ||
a7ca3326 | 2310 | DEFUN ("zerop", Fzerop, Szerop, 1, 1, 0, |
8c1a1077 | 2311 | doc: /* Return t if NUMBER is zero. */) |
5842a27b | 2312 | (register Lisp_Object number) |
7921925c | 2313 | { |
b7826503 | 2314 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2315 | |
d9c2a0f2 | 2316 | if (FLOATP (number)) |
7921925c | 2317 | { |
7539e11f | 2318 | if (XFLOAT_DATA (number) == 0.0) |
7921925c JB |
2319 | return Qt; |
2320 | return Qnil; | |
2321 | } | |
7921925c | 2322 | |
d9c2a0f2 | 2323 | if (!XINT (number)) |
7921925c JB |
2324 | return Qt; |
2325 | return Qnil; | |
2326 | } | |
2327 | \f | |
be44ca6c PE |
2328 | /* Convert the cons-of-integers, integer, or float value C to an |
2329 | unsigned value with maximum value MAX. Signal an error if C does not | |
2330 | have a valid format or is out of range. */ | |
2331 | uintmax_t | |
2332 | cons_to_unsigned (Lisp_Object c, uintmax_t max) | |
2333 | { | |
de1339b0 | 2334 | bool valid = 0; |
be44ca6c PE |
2335 | uintmax_t val IF_LINT (= 0); |
2336 | if (INTEGERP (c)) | |
2337 | { | |
2338 | valid = 0 <= XINT (c); | |
2339 | val = XINT (c); | |
2340 | } | |
2341 | else if (FLOATP (c)) | |
2342 | { | |
2343 | double d = XFLOAT_DATA (c); | |
2344 | if (0 <= d | |
2345 | && d < (max == UINTMAX_MAX ? (double) UINTMAX_MAX + 1 : max + 1)) | |
2346 | { | |
2347 | val = d; | |
2348 | valid = 1; | |
2349 | } | |
2350 | } | |
2351 | else if (CONSP (c) && NATNUMP (XCAR (c))) | |
2352 | { | |
2353 | uintmax_t top = XFASTINT (XCAR (c)); | |
2354 | Lisp_Object rest = XCDR (c); | |
2355 | if (top <= UINTMAX_MAX >> 24 >> 16 | |
2356 | && CONSP (rest) | |
2357 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2358 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2359 | { | |
2360 | uintmax_t mid = XFASTINT (XCAR (rest)); | |
2361 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2362 | valid = 1; | |
2363 | } | |
2364 | else if (top <= UINTMAX_MAX >> 16) | |
2365 | { | |
2366 | if (CONSP (rest)) | |
2367 | rest = XCAR (rest); | |
2368 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2369 | { | |
2370 | val = top << 16 | XFASTINT (rest); | |
2371 | valid = 1; | |
2372 | } | |
2373 | } | |
2374 | } | |
51cf3e31 | 2375 | |
be44ca6c PE |
2376 | if (! (valid && val <= max)) |
2377 | error ("Not an in-range integer, float, or cons of integers"); | |
2378 | return val; | |
51cf3e31 JB |
2379 | } |
2380 | ||
be44ca6c PE |
2381 | /* Convert the cons-of-integers, integer, or float value C to a signed |
2382 | value with extrema MIN and MAX. Signal an error if C does not have | |
2383 | a valid format or is out of range. */ | |
2384 | intmax_t | |
2385 | cons_to_signed (Lisp_Object c, intmax_t min, intmax_t max) | |
51cf3e31 | 2386 | { |
de1339b0 | 2387 | bool valid = 0; |
be44ca6c | 2388 | intmax_t val IF_LINT (= 0); |
51cf3e31 | 2389 | if (INTEGERP (c)) |
be44ca6c PE |
2390 | { |
2391 | val = XINT (c); | |
2392 | valid = 1; | |
2393 | } | |
2394 | else if (FLOATP (c)) | |
2395 | { | |
2396 | double d = XFLOAT_DATA (c); | |
2397 | if (min <= d | |
2398 | && d < (max == INTMAX_MAX ? (double) INTMAX_MAX + 1 : max + 1)) | |
2399 | { | |
2400 | val = d; | |
2401 | valid = 1; | |
2402 | } | |
2403 | } | |
2404 | else if (CONSP (c) && INTEGERP (XCAR (c))) | |
2405 | { | |
2406 | intmax_t top = XINT (XCAR (c)); | |
2407 | Lisp_Object rest = XCDR (c); | |
2408 | if (INTMAX_MIN >> 24 >> 16 <= top && top <= INTMAX_MAX >> 24 >> 16 | |
2409 | && CONSP (rest) | |
2410 | && NATNUMP (XCAR (rest)) && XFASTINT (XCAR (rest)) < 1 << 24 | |
2411 | && NATNUMP (XCDR (rest)) && XFASTINT (XCDR (rest)) < 1 << 16) | |
2412 | { | |
2413 | intmax_t mid = XFASTINT (XCAR (rest)); | |
2414 | val = top << 24 << 16 | mid << 16 | XFASTINT (XCDR (rest)); | |
2415 | valid = 1; | |
2416 | } | |
2417 | else if (INTMAX_MIN >> 16 <= top && top <= INTMAX_MAX >> 16) | |
2418 | { | |
2419 | if (CONSP (rest)) | |
2420 | rest = XCAR (rest); | |
2421 | if (NATNUMP (rest) && XFASTINT (rest) < 1 << 16) | |
2422 | { | |
2423 | val = top << 16 | XFASTINT (rest); | |
2424 | valid = 1; | |
2425 | } | |
2426 | } | |
2427 | } | |
2428 | ||
2429 | if (! (valid && min <= val && val <= max)) | |
2430 | error ("Not an in-range integer, float, or cons of integers"); | |
2431 | return val; | |
51cf3e31 JB |
2432 | } |
2433 | \f | |
a7ca3326 | 2434 | DEFUN ("number-to-string", Fnumber_to_string, Snumber_to_string, 1, 1, 0, |
bfb96cb7 | 2435 | doc: /* Return the decimal representation of NUMBER as a string. |
8c1a1077 PJ |
2436 | Uses a minus sign if negative. |
2437 | NUMBER may be an integer or a floating point number. */) | |
5842a27b | 2438 | (Lisp_Object number) |
7921925c | 2439 | { |
99027bdd PE |
2440 | char buffer[max (FLOAT_TO_STRING_BUFSIZE, INT_BUFSIZE_BOUND (EMACS_INT))]; |
2441 | int len; | |
7921925c | 2442 | |
b7826503 | 2443 | CHECK_NUMBER_OR_FLOAT (number); |
7921925c | 2444 | |
d9c2a0f2 | 2445 | if (FLOATP (number)) |
99027bdd PE |
2446 | len = float_to_string (buffer, XFLOAT_DATA (number)); |
2447 | else | |
2448 | len = sprintf (buffer, "%"pI"d", XINT (number)); | |
7921925c | 2449 | |
99027bdd | 2450 | return make_unibyte_string (buffer, len); |
7921925c JB |
2451 | } |
2452 | ||
a7ca3326 | 2453 | DEFUN ("string-to-number", Fstring_to_number, Sstring_to_number, 1, 2, 0, |
558ee900 | 2454 | doc: /* Parse STRING as a decimal number and return the number. |
8c1a1077 | 2455 | This parses both integers and floating point numbers. |
be95bee9 | 2456 | It ignores leading spaces and tabs, and all trailing chars. |
8c1a1077 PJ |
2457 | |
2458 | If BASE, interpret STRING as a number in that base. If BASE isn't | |
2459 | present, base 10 is used. BASE must be between 2 and 16 (inclusive). | |
be95bee9 | 2460 | If the base used is not 10, STRING is always parsed as integer. */) |
5842a27b | 2461 | (register Lisp_Object string, Lisp_Object base) |
7921925c | 2462 | { |
57ace6d0 | 2463 | register char *p; |
342858a5 | 2464 | register int b; |
452f4150 | 2465 | Lisp_Object val; |
25e40a4b | 2466 | |
b7826503 | 2467 | CHECK_STRING (string); |
7921925c | 2468 | |
3883fbeb RS |
2469 | if (NILP (base)) |
2470 | b = 10; | |
2471 | else | |
2472 | { | |
b7826503 | 2473 | CHECK_NUMBER (base); |
d311d28c | 2474 | if (! (2 <= XINT (base) && XINT (base) <= 16)) |
740ef0b5 | 2475 | xsignal1 (Qargs_out_of_range, base); |
d311d28c | 2476 | b = XINT (base); |
3883fbeb RS |
2477 | } |
2478 | ||
57ace6d0 | 2479 | p = SSDATA (string); |
0a3e4d65 | 2480 | while (*p == ' ' || *p == '\t') |
25e40a4b JB |
2481 | p++; |
2482 | ||
452f4150 PE |
2483 | val = string_to_number (p, b, 1); |
2484 | return NILP (val) ? make_number (0) : val; | |
7921925c | 2485 | } |
7403b5c8 | 2486 | \f |
7921925c | 2487 | enum arithop |
7a283f36 GM |
2488 | { |
2489 | Aadd, | |
2490 | Asub, | |
2491 | Amult, | |
2492 | Adiv, | |
2493 | Alogand, | |
2494 | Alogior, | |
2495 | Alogxor, | |
2496 | Amax, | |
2497 | Amin | |
2498 | }; | |
2499 | ||
f66c7cf8 PE |
2500 | static Lisp_Object float_arith_driver (double, ptrdiff_t, enum arithop, |
2501 | ptrdiff_t, Lisp_Object *); | |
112396d6 | 2502 | static Lisp_Object |
f66c7cf8 | 2503 | arith_driver (enum arithop code, ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2504 | { |
de1339b0 PE |
2505 | Lisp_Object val; |
2506 | ptrdiff_t argnum, ok_args; | |
2507 | EMACS_INT accum = 0; | |
2508 | EMACS_INT next, ok_accum; | |
2509 | bool overflow = 0; | |
0ae6bdee | 2510 | |
7393bcbb | 2511 | switch (code) |
7921925c JB |
2512 | { |
2513 | case Alogior: | |
2514 | case Alogxor: | |
2515 | case Aadd: | |
2516 | case Asub: | |
7a283f36 GM |
2517 | accum = 0; |
2518 | break; | |
7921925c | 2519 | case Amult: |
7a283f36 GM |
2520 | accum = 1; |
2521 | break; | |
7921925c | 2522 | case Alogand: |
7a283f36 GM |
2523 | accum = -1; |
2524 | break; | |
2525 | default: | |
2526 | break; | |
7921925c JB |
2527 | } |
2528 | ||
2529 | for (argnum = 0; argnum < nargs; argnum++) | |
2530 | { | |
0ae6bdee PE |
2531 | if (! overflow) |
2532 | { | |
2533 | ok_args = argnum; | |
2534 | ok_accum = accum; | |
2535 | } | |
2536 | ||
7a283f36 GM |
2537 | /* Using args[argnum] as argument to CHECK_NUMBER_... */ |
2538 | val = args[argnum]; | |
b7826503 | 2539 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2540 | |
7a283f36 | 2541 | if (FLOATP (val)) |
0ae6bdee | 2542 | return float_arith_driver (ok_accum, ok_args, code, |
7a283f36 GM |
2543 | nargs, args); |
2544 | args[argnum] = val; | |
7921925c | 2545 | next = XINT (args[argnum]); |
7393bcbb | 2546 | switch (code) |
7921925c | 2547 | { |
7a283f36 | 2548 | case Aadd: |
0ae6bdee PE |
2549 | if (INT_ADD_OVERFLOW (accum, next)) |
2550 | { | |
2551 | overflow = 1; | |
2552 | accum &= INTMASK; | |
2553 | } | |
7a283f36 GM |
2554 | accum += next; |
2555 | break; | |
7921925c | 2556 | case Asub: |
0ae6bdee PE |
2557 | if (INT_SUBTRACT_OVERFLOW (accum, next)) |
2558 | { | |
2559 | overflow = 1; | |
2560 | accum &= INTMASK; | |
2561 | } | |
e64981da | 2562 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c | 2563 | break; |
7a283f36 | 2564 | case Amult: |
0ae6bdee PE |
2565 | if (INT_MULTIPLY_OVERFLOW (accum, next)) |
2566 | { | |
c8a9ca5a | 2567 | EMACS_UINT a = accum, b = next, ab = a * b; |
0ae6bdee | 2568 | overflow = 1; |
c8a9ca5a | 2569 | accum = ab & INTMASK; |
0ae6bdee PE |
2570 | } |
2571 | else | |
2572 | accum *= next; | |
7a283f36 | 2573 | break; |
7921925c | 2574 | case Adiv: |
7a283f36 GM |
2575 | if (!argnum) |
2576 | accum = next; | |
87fbf902 RS |
2577 | else |
2578 | { | |
2579 | if (next == 0) | |
740ef0b5 | 2580 | xsignal0 (Qarith_error); |
87fbf902 RS |
2581 | accum /= next; |
2582 | } | |
7921925c | 2583 | break; |
7a283f36 GM |
2584 | case Alogand: |
2585 | accum &= next; | |
2586 | break; | |
2587 | case Alogior: | |
2588 | accum |= next; | |
2589 | break; | |
2590 | case Alogxor: | |
2591 | accum ^= next; | |
2592 | break; | |
2593 | case Amax: | |
2594 | if (!argnum || next > accum) | |
2595 | accum = next; | |
2596 | break; | |
2597 | case Amin: | |
2598 | if (!argnum || next < accum) | |
2599 | accum = next; | |
2600 | break; | |
7921925c JB |
2601 | } |
2602 | } | |
2603 | ||
f187f1f7 | 2604 | XSETINT (val, accum); |
7921925c JB |
2605 | return val; |
2606 | } | |
2607 | ||
1a2f2d33 KH |
2608 | #undef isnan |
2609 | #define isnan(x) ((x) != (x)) | |
2610 | ||
7a283f36 | 2611 | static Lisp_Object |
f66c7cf8 PE |
2612 | float_arith_driver (double accum, ptrdiff_t argnum, enum arithop code, |
2613 | ptrdiff_t nargs, Lisp_Object *args) | |
7921925c JB |
2614 | { |
2615 | register Lisp_Object val; | |
2616 | double next; | |
7403b5c8 | 2617 | |
7921925c JB |
2618 | for (; argnum < nargs; argnum++) |
2619 | { | |
2620 | val = args[argnum]; /* using args[argnum] as argument to CHECK_NUMBER_... */ | |
b7826503 | 2621 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (val); |
7921925c | 2622 | |
e9ebc175 | 2623 | if (FLOATP (val)) |
7921925c | 2624 | { |
7539e11f | 2625 | next = XFLOAT_DATA (val); |
7921925c JB |
2626 | } |
2627 | else | |
2628 | { | |
2629 | args[argnum] = val; /* runs into a compiler bug. */ | |
2630 | next = XINT (args[argnum]); | |
2631 | } | |
7393bcbb | 2632 | switch (code) |
7921925c JB |
2633 | { |
2634 | case Aadd: | |
2635 | accum += next; | |
2636 | break; | |
2637 | case Asub: | |
e64981da | 2638 | accum = argnum ? accum - next : nargs == 1 ? - next : next; |
7921925c JB |
2639 | break; |
2640 | case Amult: | |
2641 | accum *= next; | |
2642 | break; | |
2643 | case Adiv: | |
2644 | if (!argnum) | |
2645 | accum = next; | |
2646 | else | |
87fbf902 | 2647 | { |
ad8d56b9 | 2648 | if (! IEEE_FLOATING_POINT && next == 0) |
740ef0b5 | 2649 | xsignal0 (Qarith_error); |
87fbf902 RS |
2650 | accum /= next; |
2651 | } | |
7921925c JB |
2652 | break; |
2653 | case Alogand: | |
2654 | case Alogior: | |
2655 | case Alogxor: | |
2656 | return wrong_type_argument (Qinteger_or_marker_p, val); | |
2657 | case Amax: | |
1a2f2d33 | 2658 | if (!argnum || isnan (next) || next > accum) |
7921925c JB |
2659 | accum = next; |
2660 | break; | |
2661 | case Amin: | |
1a2f2d33 | 2662 | if (!argnum || isnan (next) || next < accum) |
7921925c JB |
2663 | accum = next; |
2664 | break; | |
2665 | } | |
2666 | } | |
2667 | ||
2668 | return make_float (accum); | |
2669 | } | |
cc94f3b2 | 2670 | |
7921925c | 2671 | |
a7ca3326 | 2672 | DEFUN ("+", Fplus, Splus, 0, MANY, 0, |
8c1a1077 PJ |
2673 | doc: /* Return sum of any number of arguments, which are numbers or markers. |
2674 | usage: (+ &rest NUMBERS-OR-MARKERS) */) | |
f66c7cf8 | 2675 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2676 | { |
2677 | return arith_driver (Aadd, nargs, args); | |
2678 | } | |
2679 | ||
a7ca3326 | 2680 | DEFUN ("-", Fminus, Sminus, 0, MANY, 0, |
558ee900 | 2681 | doc: /* Negate number or subtract numbers or markers and return the result. |
8c1a1077 | 2682 | With one arg, negates it. With more than one arg, |
f44fba9e | 2683 | subtracts all but the first from the first. |
8c1a1077 | 2684 | usage: (- &optional NUMBER-OR-MARKER &rest MORE-NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2685 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2686 | { |
2687 | return arith_driver (Asub, nargs, args); | |
2688 | } | |
2689 | ||
a7ca3326 | 2690 | DEFUN ("*", Ftimes, Stimes, 0, MANY, 0, |
be24eadf | 2691 | doc: /* Return product of any number of arguments, which are numbers or markers. |
8c1a1077 | 2692 | usage: (* &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2693 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2694 | { |
2695 | return arith_driver (Amult, nargs, args); | |
2696 | } | |
2697 | ||
a7ca3326 | 2698 | DEFUN ("/", Fquo, Squo, 2, MANY, 0, |
be24eadf | 2699 | doc: /* Return first argument divided by all the remaining arguments. |
f44fba9e | 2700 | The arguments must be numbers or markers. |
8c1a1077 | 2701 | usage: (/ DIVIDEND DIVISOR &rest DIVISORS) */) |
f66c7cf8 | 2702 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c | 2703 | { |
f66c7cf8 | 2704 | ptrdiff_t argnum; |
7ef98053 | 2705 | for (argnum = 2; argnum < nargs; argnum++) |
28712a21 JB |
2706 | if (FLOATP (args[argnum])) |
2707 | return float_arith_driver (0, 0, Adiv, nargs, args); | |
7921925c JB |
2708 | return arith_driver (Adiv, nargs, args); |
2709 | } | |
2710 | ||
a7ca3326 | 2711 | DEFUN ("%", Frem, Srem, 2, 2, 0, |
be24eadf | 2712 | doc: /* Return remainder of X divided by Y. |
8c1a1077 | 2713 | Both must be integers or markers. */) |
5842a27b | 2714 | (register Lisp_Object x, Lisp_Object y) |
7921925c JB |
2715 | { |
2716 | Lisp_Object val; | |
2717 | ||
b7826503 PJ |
2718 | CHECK_NUMBER_COERCE_MARKER (x); |
2719 | CHECK_NUMBER_COERCE_MARKER (y); | |
7921925c | 2720 | |
d311d28c | 2721 | if (XINT (y) == 0) |
740ef0b5 | 2722 | xsignal0 (Qarith_error); |
87fbf902 | 2723 | |
d9c2a0f2 | 2724 | XSETINT (val, XINT (x) % XINT (y)); |
7921925c JB |
2725 | return val; |
2726 | } | |
2727 | ||
44fa9da5 | 2728 | DEFUN ("mod", Fmod, Smod, 2, 2, 0, |
be24eadf | 2729 | doc: /* Return X modulo Y. |
8c1a1077 PJ |
2730 | The result falls between zero (inclusive) and Y (exclusive). |
2731 | Both X and Y must be numbers or markers. */) | |
5842a27b | 2732 | (register Lisp_Object x, Lisp_Object y) |
44fa9da5 PE |
2733 | { |
2734 | Lisp_Object val; | |
5260234d | 2735 | EMACS_INT i1, i2; |
44fa9da5 | 2736 | |
b7826503 PJ |
2737 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (x); |
2738 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (y); | |
44fa9da5 | 2739 | |
d9c2a0f2 | 2740 | if (FLOATP (x) || FLOATP (y)) |
ad8d56b9 PE |
2741 | return fmod_float (x, y); |
2742 | ||
d9c2a0f2 EN |
2743 | i1 = XINT (x); |
2744 | i2 = XINT (y); | |
44fa9da5 PE |
2745 | |
2746 | if (i2 == 0) | |
740ef0b5 | 2747 | xsignal0 (Qarith_error); |
7403b5c8 | 2748 | |
44fa9da5 PE |
2749 | i1 %= i2; |
2750 | ||
2751 | /* If the "remainder" comes out with the wrong sign, fix it. */ | |
04f7ec69 | 2752 | if (i2 < 0 ? i1 > 0 : i1 < 0) |
44fa9da5 PE |
2753 | i1 += i2; |
2754 | ||
f187f1f7 | 2755 | XSETINT (val, i1); |
44fa9da5 PE |
2756 | return val; |
2757 | } | |
2758 | ||
a7ca3326 | 2759 | DEFUN ("max", Fmax, Smax, 1, MANY, 0, |
8c1a1077 | 2760 | doc: /* Return largest of all the arguments (which must be numbers or markers). |
f44fba9e | 2761 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2762 | usage: (max NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2763 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2764 | { |
2765 | return arith_driver (Amax, nargs, args); | |
2766 | } | |
2767 | ||
a7ca3326 | 2768 | DEFUN ("min", Fmin, Smin, 1, MANY, 0, |
8c1a1077 | 2769 | doc: /* Return smallest of all the arguments (which must be numbers or markers). |
f44fba9e | 2770 | The value is always a number; markers are converted to numbers. |
8c1a1077 | 2771 | usage: (min NUMBER-OR-MARKER &rest NUMBERS-OR-MARKERS) */) |
f66c7cf8 | 2772 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2773 | { |
2774 | return arith_driver (Amin, nargs, args); | |
2775 | } | |
2776 | ||
2777 | DEFUN ("logand", Flogand, Slogand, 0, MANY, 0, | |
8c1a1077 | 2778 | doc: /* Return bitwise-and of all the arguments. |
f44fba9e | 2779 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2780 | usage: (logand &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2781 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2782 | { |
2783 | return arith_driver (Alogand, nargs, args); | |
2784 | } | |
2785 | ||
2786 | DEFUN ("logior", Flogior, Slogior, 0, MANY, 0, | |
8c1a1077 | 2787 | doc: /* Return bitwise-or of all the arguments. |
f44fba9e | 2788 | Arguments may be integers, or markers converted to integers. |
8c1a1077 | 2789 | usage: (logior &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2790 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2791 | { |
2792 | return arith_driver (Alogior, nargs, args); | |
2793 | } | |
2794 | ||
2795 | DEFUN ("logxor", Flogxor, Slogxor, 0, MANY, 0, | |
8c1a1077 | 2796 | doc: /* Return bitwise-exclusive-or of all the arguments. |
f44fba9e | 2797 | Arguments may be integers, or markers converted to integers. |
31fb1b2c | 2798 | usage: (logxor &rest INTS-OR-MARKERS) */) |
f66c7cf8 | 2799 | (ptrdiff_t nargs, Lisp_Object *args) |
7921925c JB |
2800 | { |
2801 | return arith_driver (Alogxor, nargs, args); | |
2802 | } | |
2803 | ||
2804 | DEFUN ("ash", Fash, Sash, 2, 2, 0, | |
8c1a1077 PJ |
2805 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2806 | If COUNT is negative, shifting is actually to the right. | |
2807 | In this case, the sign bit is duplicated. */) | |
5842a27b | 2808 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2809 | { |
2810 | register Lisp_Object val; | |
2811 | ||
b7826503 PJ |
2812 | CHECK_NUMBER (value); |
2813 | CHECK_NUMBER (count); | |
7921925c | 2814 | |
81d70626 RS |
2815 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2816 | XSETINT (val, 0); | |
2817 | else if (XINT (count) > 0) | |
3d9652eb | 2818 | XSETINT (val, XINT (value) << XFASTINT (count)); |
81d70626 RS |
2819 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2820 | XSETINT (val, XINT (value) < 0 ? -1 : 0); | |
7921925c | 2821 | else |
3d9652eb | 2822 | XSETINT (val, XINT (value) >> -XINT (count)); |
7921925c JB |
2823 | return val; |
2824 | } | |
2825 | ||
2826 | DEFUN ("lsh", Flsh, Slsh, 2, 2, 0, | |
8c1a1077 PJ |
2827 | doc: /* Return VALUE with its bits shifted left by COUNT. |
2828 | If COUNT is negative, shifting is actually to the right. | |
3a9b1297 | 2829 | In this case, zeros are shifted in on the left. */) |
5842a27b | 2830 | (register Lisp_Object value, Lisp_Object count) |
7921925c JB |
2831 | { |
2832 | register Lisp_Object val; | |
2833 | ||
b7826503 PJ |
2834 | CHECK_NUMBER (value); |
2835 | CHECK_NUMBER (count); | |
7921925c | 2836 | |
81d70626 RS |
2837 | if (XINT (count) >= BITS_PER_EMACS_INT) |
2838 | XSETINT (val, 0); | |
2839 | else if (XINT (count) > 0) | |
c8a9ca5a | 2840 | XSETINT (val, XUINT (value) << XFASTINT (count)); |
81d70626 RS |
2841 | else if (XINT (count) <= -BITS_PER_EMACS_INT) |
2842 | XSETINT (val, 0); | |
7921925c | 2843 | else |
c8a9ca5a | 2844 | XSETINT (val, XUINT (value) >> -XINT (count)); |
7921925c JB |
2845 | return val; |
2846 | } | |
2847 | ||
a7ca3326 | 2848 | DEFUN ("1+", Fadd1, Sadd1, 1, 1, 0, |
8c1a1077 PJ |
2849 | doc: /* Return NUMBER plus one. NUMBER may be a number or a marker. |
2850 | Markers are converted to integers. */) | |
5842a27b | 2851 | (register Lisp_Object number) |
7921925c | 2852 | { |
b7826503 | 2853 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2854 | |
d9c2a0f2 | 2855 | if (FLOATP (number)) |
7539e11f | 2856 | return (make_float (1.0 + XFLOAT_DATA (number))); |
7921925c | 2857 | |
d9c2a0f2 EN |
2858 | XSETINT (number, XINT (number) + 1); |
2859 | return number; | |
7921925c JB |
2860 | } |
2861 | ||
a7ca3326 | 2862 | DEFUN ("1-", Fsub1, Ssub1, 1, 1, 0, |
8c1a1077 PJ |
2863 | doc: /* Return NUMBER minus one. NUMBER may be a number or a marker. |
2864 | Markers are converted to integers. */) | |
5842a27b | 2865 | (register Lisp_Object number) |
7921925c | 2866 | { |
b7826503 | 2867 | CHECK_NUMBER_OR_FLOAT_COERCE_MARKER (number); |
7921925c | 2868 | |
d9c2a0f2 | 2869 | if (FLOATP (number)) |
7539e11f | 2870 | return (make_float (-1.0 + XFLOAT_DATA (number))); |
7921925c | 2871 | |
d9c2a0f2 EN |
2872 | XSETINT (number, XINT (number) - 1); |
2873 | return number; | |
7921925c JB |
2874 | } |
2875 | ||
2876 | DEFUN ("lognot", Flognot, Slognot, 1, 1, 0, | |
8c1a1077 | 2877 | doc: /* Return the bitwise complement of NUMBER. NUMBER must be an integer. */) |
5842a27b | 2878 | (register Lisp_Object number) |
7921925c | 2879 | { |
b7826503 | 2880 | CHECK_NUMBER (number); |
53924017 | 2881 | XSETINT (number, ~XINT (number)); |
d9c2a0f2 | 2882 | return number; |
7921925c | 2883 | } |
6b61353c | 2884 | |
a7ca3326 | 2885 | DEFUN ("byteorder", Fbyteorder, Sbyteorder, 0, 0, 0, |
6b61353c KH |
2886 | doc: /* Return the byteorder for the machine. |
2887 | Returns 66 (ASCII uppercase B) for big endian machines or 108 (ASCII | |
2888 | lowercase l) for small endian machines. */) | |
5842a27b | 2889 | (void) |
6b61353c KH |
2890 | { |
2891 | unsigned i = 0x04030201; | |
2892 | int order = *(char *)&i == 1 ? 108 : 66; | |
2893 | ||
2894 | return make_number (order); | |
2895 | } | |
2896 | ||
2897 | ||
7921925c JB |
2898 | \f |
2899 | void | |
971de7fb | 2900 | syms_of_data (void) |
7921925c | 2901 | { |
6315e761 RS |
2902 | Lisp_Object error_tail, arith_tail; |
2903 | ||
620c53a6 SM |
2904 | DEFSYM (Qquote, "quote"); |
2905 | DEFSYM (Qlambda, "lambda"); | |
2906 | DEFSYM (Qsubr, "subr"); | |
2907 | DEFSYM (Qerror_conditions, "error-conditions"); | |
2908 | DEFSYM (Qerror_message, "error-message"); | |
2909 | DEFSYM (Qtop_level, "top-level"); | |
2910 | ||
2911 | DEFSYM (Qerror, "error"); | |
71873e2b | 2912 | DEFSYM (Quser_error, "user-error"); |
620c53a6 SM |
2913 | DEFSYM (Qquit, "quit"); |
2914 | DEFSYM (Qwrong_type_argument, "wrong-type-argument"); | |
2915 | DEFSYM (Qargs_out_of_range, "args-out-of-range"); | |
2916 | DEFSYM (Qvoid_function, "void-function"); | |
2917 | DEFSYM (Qcyclic_function_indirection, "cyclic-function-indirection"); | |
2918 | DEFSYM (Qcyclic_variable_indirection, "cyclic-variable-indirection"); | |
2919 | DEFSYM (Qvoid_variable, "void-variable"); | |
2920 | DEFSYM (Qsetting_constant, "setting-constant"); | |
2921 | DEFSYM (Qinvalid_read_syntax, "invalid-read-syntax"); | |
2922 | ||
2923 | DEFSYM (Qinvalid_function, "invalid-function"); | |
2924 | DEFSYM (Qwrong_number_of_arguments, "wrong-number-of-arguments"); | |
2925 | DEFSYM (Qno_catch, "no-catch"); | |
2926 | DEFSYM (Qend_of_file, "end-of-file"); | |
2927 | DEFSYM (Qarith_error, "arith-error"); | |
2928 | DEFSYM (Qbeginning_of_buffer, "beginning-of-buffer"); | |
2929 | DEFSYM (Qend_of_buffer, "end-of-buffer"); | |
2930 | DEFSYM (Qbuffer_read_only, "buffer-read-only"); | |
2931 | DEFSYM (Qtext_read_only, "text-read-only"); | |
2932 | DEFSYM (Qmark_inactive, "mark-inactive"); | |
2933 | ||
2934 | DEFSYM (Qlistp, "listp"); | |
2935 | DEFSYM (Qconsp, "consp"); | |
2936 | DEFSYM (Qsymbolp, "symbolp"); | |
2937 | DEFSYM (Qkeywordp, "keywordp"); | |
2938 | DEFSYM (Qintegerp, "integerp"); | |
2939 | DEFSYM (Qnatnump, "natnump"); | |
2940 | DEFSYM (Qwholenump, "wholenump"); | |
2941 | DEFSYM (Qstringp, "stringp"); | |
2942 | DEFSYM (Qarrayp, "arrayp"); | |
2943 | DEFSYM (Qsequencep, "sequencep"); | |
2944 | DEFSYM (Qbufferp, "bufferp"); | |
2945 | DEFSYM (Qvectorp, "vectorp"); | |
2946 | DEFSYM (Qchar_or_string_p, "char-or-string-p"); | |
2947 | DEFSYM (Qmarkerp, "markerp"); | |
2948 | DEFSYM (Qbuffer_or_string_p, "buffer-or-string-p"); | |
2949 | DEFSYM (Qinteger_or_marker_p, "integer-or-marker-p"); | |
2950 | DEFSYM (Qboundp, "boundp"); | |
2951 | DEFSYM (Qfboundp, "fboundp"); | |
2952 | ||
2953 | DEFSYM (Qfloatp, "floatp"); | |
2954 | DEFSYM (Qnumberp, "numberp"); | |
2955 | DEFSYM (Qnumber_or_marker_p, "number-or-marker-p"); | |
2956 | ||
2957 | DEFSYM (Qchar_table_p, "char-table-p"); | |
2958 | DEFSYM (Qvector_or_char_table_p, "vector-or-char-table-p"); | |
2959 | ||
2960 | DEFSYM (Qsubrp, "subrp"); | |
2961 | DEFSYM (Qunevalled, "unevalled"); | |
2962 | DEFSYM (Qmany, "many"); | |
2963 | ||
2964 | DEFSYM (Qcdr, "cdr"); | |
2965 | ||
2966 | /* Handle automatic advice activation. */ | |
2967 | DEFSYM (Qad_advice_info, "ad-advice-info"); | |
2968 | DEFSYM (Qad_activate_internal, "ad-activate-internal"); | |
f845f2c9 | 2969 | |
d67b4f80 | 2970 | error_tail = pure_cons (Qerror, Qnil); |
6315e761 | 2971 | |
620c53a6 SM |
2972 | /* ERROR is used as a signaler for random errors for which nothing else is |
2973 | right. */ | |
7921925c JB |
2974 | |
2975 | Fput (Qerror, Qerror_conditions, | |
6315e761 | 2976 | error_tail); |
7921925c | 2977 | Fput (Qerror, Qerror_message, |
2a0213a6 | 2978 | build_pure_c_string ("error")); |
7921925c | 2979 | |
71873e2b SM |
2980 | #define PUT_ERROR(sym, tail, msg) \ |
2981 | Fput (sym, Qerror_conditions, pure_cons (sym, tail)); \ | |
2a0213a6 | 2982 | Fput (sym, Qerror_message, build_pure_c_string (msg)) |
71873e2b SM |
2983 | |
2984 | PUT_ERROR (Qquit, Qnil, "Quit"); | |
2985 | ||
2986 | PUT_ERROR (Quser_error, error_tail, ""); | |
2987 | PUT_ERROR (Qwrong_type_argument, error_tail, "Wrong type argument"); | |
2988 | PUT_ERROR (Qargs_out_of_range, error_tail, "Args out of range"); | |
2989 | PUT_ERROR (Qvoid_function, error_tail, | |
2990 | "Symbol's function definition is void"); | |
2991 | PUT_ERROR (Qcyclic_function_indirection, error_tail, | |
2992 | "Symbol's chain of function indirections contains a loop"); | |
2993 | PUT_ERROR (Qcyclic_variable_indirection, error_tail, | |
2994 | "Symbol's chain of variable indirections contains a loop"); | |
620c53a6 | 2995 | DEFSYM (Qcircular_list, "circular-list"); |
71873e2b SM |
2996 | PUT_ERROR (Qcircular_list, error_tail, "List contains a loop"); |
2997 | PUT_ERROR (Qvoid_variable, error_tail, "Symbol's value as variable is void"); | |
2998 | PUT_ERROR (Qsetting_constant, error_tail, | |
2999 | "Attempt to set a constant symbol"); | |
3000 | PUT_ERROR (Qinvalid_read_syntax, error_tail, "Invalid read syntax"); | |
3001 | PUT_ERROR (Qinvalid_function, error_tail, "Invalid function"); | |
3002 | PUT_ERROR (Qwrong_number_of_arguments, error_tail, | |
3003 | "Wrong number of arguments"); | |
3004 | PUT_ERROR (Qno_catch, error_tail, "No catch for tag"); | |
3005 | PUT_ERROR (Qend_of_file, error_tail, "End of file during parsing"); | |
7921925c | 3006 | |
d67b4f80 | 3007 | arith_tail = pure_cons (Qarith_error, error_tail); |
71873e2b | 3008 | Fput (Qarith_error, Qerror_conditions, arith_tail); |
2a0213a6 | 3009 | Fput (Qarith_error, Qerror_message, build_pure_c_string ("Arithmetic error")); |
71873e2b SM |
3010 | |
3011 | PUT_ERROR (Qbeginning_of_buffer, error_tail, "Beginning of buffer"); | |
3012 | PUT_ERROR (Qend_of_buffer, error_tail, "End of buffer"); | |
3013 | PUT_ERROR (Qbuffer_read_only, error_tail, "Buffer is read-only"); | |
3014 | PUT_ERROR (Qtext_read_only, pure_cons (Qbuffer_read_only, error_tail), | |
3015 | "Text is read-only"); | |
8f9f49d7 | 3016 | |
620c53a6 SM |
3017 | DEFSYM (Qrange_error, "range-error"); |
3018 | DEFSYM (Qdomain_error, "domain-error"); | |
3019 | DEFSYM (Qsingularity_error, "singularity-error"); | |
3020 | DEFSYM (Qoverflow_error, "overflow-error"); | |
3021 | DEFSYM (Qunderflow_error, "underflow-error"); | |
6315e761 | 3022 | |
71873e2b SM |
3023 | PUT_ERROR (Qdomain_error, arith_tail, "Arithmetic domain error"); |
3024 | ||
3025 | PUT_ERROR (Qrange_error, arith_tail, "Arithmetic range error"); | |
3026 | ||
3027 | PUT_ERROR (Qsingularity_error, Fcons (Qdomain_error, arith_tail), | |
3028 | "Arithmetic singularity error"); | |
3029 | ||
3030 | PUT_ERROR (Qoverflow_error, Fcons (Qdomain_error, arith_tail), | |
3031 | "Arithmetic overflow error"); | |
3032 | PUT_ERROR (Qunderflow_error, Fcons (Qdomain_error, arith_tail), | |
3033 | "Arithmetic underflow error"); | |
6315e761 | 3034 | |
7921925c JB |
3035 | staticpro (&Qnil); |
3036 | staticpro (&Qt); | |
7921925c | 3037 | staticpro (&Qunbound); |
7921925c | 3038 | |
39bcc759 | 3039 | /* Types that type-of returns. */ |
620c53a6 SM |
3040 | DEFSYM (Qinteger, "integer"); |
3041 | DEFSYM (Qsymbol, "symbol"); | |
3042 | DEFSYM (Qstring, "string"); | |
3043 | DEFSYM (Qcons, "cons"); | |
3044 | DEFSYM (Qmarker, "marker"); | |
3045 | DEFSYM (Qoverlay, "overlay"); | |
3046 | DEFSYM (Qfloat, "float"); | |
3047 | DEFSYM (Qwindow_configuration, "window-configuration"); | |
3048 | DEFSYM (Qprocess, "process"); | |
3049 | DEFSYM (Qwindow, "window"); | |
620c53a6 SM |
3050 | DEFSYM (Qcompiled_function, "compiled-function"); |
3051 | DEFSYM (Qbuffer, "buffer"); | |
3052 | DEFSYM (Qframe, "frame"); | |
3053 | DEFSYM (Qvector, "vector"); | |
3054 | DEFSYM (Qchar_table, "char-table"); | |
3055 | DEFSYM (Qbool_vector, "bool-vector"); | |
3056 | DEFSYM (Qhash_table, "hash-table"); | |
3ab6e069 | 3057 | DEFSYM (Qmisc, "misc"); |
39bcc759 | 3058 | |
61b108cc SM |
3059 | DEFSYM (Qdefun, "defun"); |
3060 | ||
4e6f2626 CY |
3061 | DEFSYM (Qfont_spec, "font-spec"); |
3062 | DEFSYM (Qfont_entity, "font-entity"); | |
3063 | DEFSYM (Qfont_object, "font-object"); | |
3064 | ||
3860280a CY |
3065 | DEFSYM (Qinteractive_form, "interactive-form"); |
3066 | ||
f35d5bad | 3067 | defsubr (&Sindirect_variable); |
6b61353c | 3068 | defsubr (&Sinteractive_form); |
7921925c JB |
3069 | defsubr (&Seq); |
3070 | defsubr (&Snull); | |
39bcc759 | 3071 | defsubr (&Stype_of); |
7921925c JB |
3072 | defsubr (&Slistp); |
3073 | defsubr (&Snlistp); | |
3074 | defsubr (&Sconsp); | |
3075 | defsubr (&Satom); | |
3076 | defsubr (&Sintegerp); | |
464f8898 | 3077 | defsubr (&Sinteger_or_marker_p); |
7921925c JB |
3078 | defsubr (&Snumberp); |
3079 | defsubr (&Snumber_or_marker_p); | |
464f8898 | 3080 | defsubr (&Sfloatp); |
7921925c JB |
3081 | defsubr (&Snatnump); |
3082 | defsubr (&Ssymbolp); | |
cda9b832 | 3083 | defsubr (&Skeywordp); |
7921925c | 3084 | defsubr (&Sstringp); |
0f56470d | 3085 | defsubr (&Smultibyte_string_p); |
7921925c | 3086 | defsubr (&Svectorp); |
4d276982 | 3087 | defsubr (&Schar_table_p); |
7f0edce7 | 3088 | defsubr (&Svector_or_char_table_p); |
4d276982 | 3089 | defsubr (&Sbool_vector_p); |
7921925c JB |
3090 | defsubr (&Sarrayp); |
3091 | defsubr (&Ssequencep); | |
3092 | defsubr (&Sbufferp); | |
3093 | defsubr (&Smarkerp); | |
7921925c | 3094 | defsubr (&Ssubrp); |
dbc4e1c1 | 3095 | defsubr (&Sbyte_code_function_p); |
7921925c JB |
3096 | defsubr (&Schar_or_string_p); |
3097 | defsubr (&Scar); | |
3098 | defsubr (&Scdr); | |
3099 | defsubr (&Scar_safe); | |
3100 | defsubr (&Scdr_safe); | |
3101 | defsubr (&Ssetcar); | |
3102 | defsubr (&Ssetcdr); | |
3103 | defsubr (&Ssymbol_function); | |
ffd56f97 | 3104 | defsubr (&Sindirect_function); |
7921925c JB |
3105 | defsubr (&Ssymbol_plist); |
3106 | defsubr (&Ssymbol_name); | |
3107 | defsubr (&Smakunbound); | |
3108 | defsubr (&Sfmakunbound); | |
3109 | defsubr (&Sboundp); | |
3110 | defsubr (&Sfboundp); | |
3111 | defsubr (&Sfset); | |
80df38a2 | 3112 | defsubr (&Sdefalias); |
7921925c JB |
3113 | defsubr (&Ssetplist); |
3114 | defsubr (&Ssymbol_value); | |
3115 | defsubr (&Sset); | |
3116 | defsubr (&Sdefault_boundp); | |
3117 | defsubr (&Sdefault_value); | |
3118 | defsubr (&Sset_default); | |
3119 | defsubr (&Ssetq_default); | |
3120 | defsubr (&Smake_variable_buffer_local); | |
3121 | defsubr (&Smake_local_variable); | |
3122 | defsubr (&Skill_local_variable); | |
b0c2d1c6 | 3123 | defsubr (&Smake_variable_frame_local); |
62476adc | 3124 | defsubr (&Slocal_variable_p); |
f4f04cee | 3125 | defsubr (&Slocal_variable_if_set_p); |
6b61353c | 3126 | defsubr (&Svariable_binding_locus); |
c40bb1ba | 3127 | #if 0 /* XXX Remove this. --lorentey */ |
2a42d440 KL |
3128 | defsubr (&Sterminal_local_value); |
3129 | defsubr (&Sset_terminal_local_value); | |
c40bb1ba | 3130 | #endif |
7921925c JB |
3131 | defsubr (&Saref); |
3132 | defsubr (&Saset); | |
f2980264 | 3133 | defsubr (&Snumber_to_string); |
25e40a4b | 3134 | defsubr (&Sstring_to_number); |
7921925c JB |
3135 | defsubr (&Seqlsign); |
3136 | defsubr (&Slss); | |
3137 | defsubr (&Sgtr); | |
3138 | defsubr (&Sleq); | |
3139 | defsubr (&Sgeq); | |
3140 | defsubr (&Sneq); | |
3141 | defsubr (&Szerop); | |
3142 | defsubr (&Splus); | |
3143 | defsubr (&Sminus); | |
3144 | defsubr (&Stimes); | |
3145 | defsubr (&Squo); | |
3146 | defsubr (&Srem); | |
44fa9da5 | 3147 | defsubr (&Smod); |
7921925c JB |
3148 | defsubr (&Smax); |
3149 | defsubr (&Smin); | |
3150 | defsubr (&Slogand); | |
3151 | defsubr (&Slogior); | |
3152 | defsubr (&Slogxor); | |
3153 | defsubr (&Slsh); | |
3154 | defsubr (&Sash); | |
3155 | defsubr (&Sadd1); | |
3156 | defsubr (&Ssub1); | |
3157 | defsubr (&Slognot); | |
6b61353c | 3158 | defsubr (&Sbyteorder); |
6f0e897f | 3159 | defsubr (&Ssubr_arity); |
0fddae66 | 3160 | defsubr (&Ssubr_name); |
8e86942b | 3161 | |
c644523b | 3162 | set_symbol_function (Qwholenump, XSYMBOL (Qnatnump)->function); |
e6190b11 | 3163 | |
29208e82 | 3164 | DEFVAR_LISP ("most-positive-fixnum", Vmost_positive_fixnum, |
9d113d9d AS |
3165 | doc: /* The largest value that is representable in a Lisp integer. */); |
3166 | Vmost_positive_fixnum = make_number (MOST_POSITIVE_FIXNUM); | |
d67b4f80 | 3167 | XSYMBOL (intern_c_string ("most-positive-fixnum"))->constant = 1; |
bfb96cb7 | 3168 | |
29208e82 | 3169 | DEFVAR_LISP ("most-negative-fixnum", Vmost_negative_fixnum, |
9d113d9d AS |
3170 | doc: /* The smallest value that is representable in a Lisp integer. */); |
3171 | Vmost_negative_fixnum = make_number (MOST_NEGATIVE_FIXNUM); | |
d67b4f80 | 3172 | XSYMBOL (intern_c_string ("most-negative-fixnum"))->constant = 1; |
7921925c | 3173 | } |