Mercurial > hg > xemacs-beta
annotate src/data.c @ 5767:4e69b24a2301
Disable ASLR on Mavericks.
| author | Marcus Crestani <crestani@informatik.uni-tuebingen.de> |
|---|---|
| date | Mon, 28 Oct 2013 16:03:53 +0100 |
| parents | 427a72c6ee17 |
| children | 3bfcdeb65578 |
| rev | line source |
|---|---|
| 428 | 1 /* Primitive operations on Lisp data types for XEmacs Lisp interpreter. |
| 2 Copyright (C) 1985, 1986, 1988, 1992, 1993, 1994, 1995 | |
| 3 Free Software Foundation, Inc. | |
|
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4 Copyright (C) 2000, 2001, 2002, 2003, 2005, 2010 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
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8 XEmacs is free software: you can redistribute it and/or modify it |
| 428 | 9 under the terms of the GNU General Public License as published by the |
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10 Free Software Foundation, either version 3 of the License, or (at your |
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11 option) any later version. |
| 428 | 12 |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
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19 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */ |
| 428 | 20 |
| 21 /* Synched up with: Mule 2.0, FSF 19.30. Some of FSF's data.c is in | |
| 22 XEmacs' symbols.c. */ | |
| 23 | |
| 24 /* This file has been Mule-ized. */ | |
| 25 | |
| 26 #include <config.h> | |
| 27 #include "lisp.h" | |
| 28 | |
| 29 #include "buffer.h" | |
| 30 #include "bytecode.h" | |
|
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31 #include "gc.h" |
| 428 | 32 #include "syssignal.h" |
| 771 | 33 #include "sysfloat.h" |
| 428 | 34 |
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35 Lisp_Object Qnil, Qt, Qlambda, Qunbound; |
| 428 | 36 Lisp_Object Qerror_conditions, Qerror_message; |
| 442 | 37 Lisp_Object Qerror, Qquit, Qsyntax_error, Qinvalid_read_syntax; |
| 563 | 38 Lisp_Object Qlist_formation_error, Qstructure_formation_error; |
| 442 | 39 Lisp_Object Qmalformed_list, Qmalformed_property_list; |
| 40 Lisp_Object Qcircular_list, Qcircular_property_list; | |
| 563 | 41 Lisp_Object Qinvalid_argument, Qinvalid_constant, Qwrong_type_argument; |
| 42 Lisp_Object Qargs_out_of_range; | |
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43 Lisp_Object Qwrong_number_of_arguments, Qinvalid_function; |
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44 Lisp_Object Qinvalid_keyword_argument, Qno_catch; |
| 563 | 45 Lisp_Object Qinternal_error, Qinvalid_state, Qstack_overflow, Qout_of_memory; |
| 428 | 46 Lisp_Object Qvoid_variable, Qcyclic_variable_indirection; |
| 47 Lisp_Object Qvoid_function, Qcyclic_function_indirection; | |
| 563 | 48 Lisp_Object Qinvalid_operation, Qinvalid_change, Qprinting_unreadable_object; |
| 442 | 49 Lisp_Object Qsetting_constant; |
| 50 Lisp_Object Qediting_error; | |
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51 Lisp_Object Qbeginning_of_buffer, Qend_of_buffer; |
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52 Lisp_Object Qbuffer_read_only, Qextent_read_only; |
| 563 | 53 Lisp_Object Qio_error, Qfile_error, Qconversion_error, Qend_of_file; |
| 580 | 54 Lisp_Object Qtext_conversion_error; |
| 428 | 55 Lisp_Object Qarith_error, Qrange_error, Qdomain_error; |
| 56 Lisp_Object Qsingularity_error, Qoverflow_error, Qunderflow_error; | |
| 1983 | 57 Lisp_Object Qintegerp, Qnatnump, Qnonnegativep, Qsymbolp; |
| 428 | 58 Lisp_Object Qlistp, Qtrue_list_p, Qweak_listp; |
| 59 Lisp_Object Qconsp, Qsubrp; | |
| 60 Lisp_Object Qcharacterp, Qstringp, Qarrayp, Qsequencep, Qvectorp; | |
| 61 Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qbufferp; | |
| 62 Lisp_Object Qinteger_or_char_p, Qinteger_char_or_marker_p; | |
| 63 Lisp_Object Qnumberp, Qnumber_char_or_marker_p; | |
| 64 Lisp_Object Qbit_vectorp, Qbitp, Qcdr; | |
| 65 | |
| 563 | 66 Lisp_Object Qerror_lacks_explanatory_string; |
| 428 | 67 Lisp_Object Qfloatp; |
| 68 | |
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69 Fixnum Vmost_negative_fixnum, Vmost_positive_fixnum; |
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70 |
| 428 | 71 #ifdef DEBUG_XEMACS |
| 72 | |
| 73 int debug_issue_ebola_notices; | |
| 74 | |
| 458 | 75 Fixnum debug_ebola_backtrace_length; |
| 428 | 76 |
| 77 int | |
| 78 eq_with_ebola_notice (Lisp_Object obj1, Lisp_Object obj2) | |
| 79 { | |
| 80 if (debug_issue_ebola_notices | |
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81 && ((CHARP (obj1) && FIXNUMP (obj2)) || (CHARP (obj2) && FIXNUMP (obj1)))) |
| 428 | 82 { |
| 83 /* #### It would be really nice if this were a proper warning | |
| 1551 | 84 instead of brain-dead print to Qexternal_debugging_output. */ |
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85 write_msg_string |
| 826 | 86 (Qexternal_debugging_output, |
| 87 "Comparison between integer and character is constant nil ("); | |
| 428 | 88 Fprinc (obj1, Qexternal_debugging_output); |
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89 write_msg_string (Qexternal_debugging_output, " and "); |
| 428 | 90 Fprinc (obj2, Qexternal_debugging_output); |
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91 write_msg_string (Qexternal_debugging_output, ")\n"); |
| 428 | 92 debug_short_backtrace (debug_ebola_backtrace_length); |
| 93 } | |
| 94 return EQ (obj1, obj2); | |
| 95 } | |
| 96 | |
| 97 #endif /* DEBUG_XEMACS */ | |
| 98 | |
| 99 | |
| 100 | |
| 101 Lisp_Object | |
| 102 wrong_type_argument (Lisp_Object predicate, Lisp_Object value) | |
| 103 { | |
| 104 /* This function can GC */ | |
| 105 REGISTER Lisp_Object tem; | |
| 106 do | |
| 107 { | |
| 108 value = Fsignal (Qwrong_type_argument, list2 (predicate, value)); | |
| 109 tem = call1 (predicate, value); | |
| 110 } | |
| 111 while (NILP (tem)); | |
| 112 return value; | |
| 113 } | |
| 114 | |
| 115 DOESNT_RETURN | |
| 116 dead_wrong_type_argument (Lisp_Object predicate, Lisp_Object value) | |
| 117 { | |
| 563 | 118 signal_error_1 (Qwrong_type_argument, list2 (predicate, value)); |
| 428 | 119 } |
| 120 | |
| 121 DEFUN ("wrong-type-argument", Fwrong_type_argument, 2, 2, 0, /* | |
| 122 Signal an error until the correct type value is given by the user. | |
| 123 This function loops, signalling a continuable `wrong-type-argument' error | |
| 124 with PREDICATE and VALUE as the data associated with the error and then | |
| 125 calling PREDICATE on the returned value, until the value gotten satisfies | |
| 126 PREDICATE. At that point, the gotten value is returned. | |
| 127 */ | |
| 128 (predicate, value)) | |
| 129 { | |
| 130 return wrong_type_argument (predicate, value); | |
| 131 } | |
| 132 | |
| 133 DOESNT_RETURN | |
| 134 c_write_error (Lisp_Object obj) | |
| 135 { | |
| 563 | 136 signal_error (Qsetting_constant, |
| 137 "Attempt to modify read-only object (c)", obj); | |
| 428 | 138 } |
| 139 | |
| 140 DOESNT_RETURN | |
| 141 lisp_write_error (Lisp_Object obj) | |
| 142 { | |
| 563 | 143 signal_error (Qsetting_constant, |
| 144 "Attempt to modify read-only object (lisp)", obj); | |
| 428 | 145 } |
| 146 | |
| 147 DOESNT_RETURN | |
| 148 args_out_of_range (Lisp_Object a1, Lisp_Object a2) | |
| 149 { | |
| 563 | 150 signal_error_1 (Qargs_out_of_range, list2 (a1, a2)); |
| 428 | 151 } |
| 152 | |
| 153 DOESNT_RETURN | |
| 154 args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) | |
| 155 { | |
| 563 | 156 signal_error_1 (Qargs_out_of_range, list3 (a1, a2, a3)); |
| 428 | 157 } |
| 158 | |
| 159 void | |
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160 check_integer_range (Lisp_Object val, Lisp_Object min, Lisp_Object max) |
| 428 | 161 { |
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162 Lisp_Object args[] = { min, val, max }; |
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163 int ii; |
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164 |
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165 for (ii = 0; ii < countof (args); ii++) |
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166 { |
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167 CHECK_INTEGER (args[ii]); |
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168 } |
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169 |
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170 if (NILP (Fleq (countof (args), args))) |
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171 args_out_of_range_3 (val, min, max); |
| 428 | 172 } |
| 173 | |
| 174 | |
| 175 /* Data type predicates */ | |
| 176 | |
| 177 DEFUN ("eq", Feq, 2, 2, 0, /* | |
| 178 Return t if the two args are the same Lisp object. | |
| 179 */ | |
| 444 | 180 (object1, object2)) |
| 428 | 181 { |
| 444 | 182 return EQ_WITH_EBOLA_NOTICE (object1, object2) ? Qt : Qnil; |
| 428 | 183 } |
| 184 | |
| 185 DEFUN ("null", Fnull, 1, 1, 0, /* | |
| 186 Return t if OBJECT is nil. | |
| 187 */ | |
| 188 (object)) | |
| 189 { | |
| 190 return NILP (object) ? Qt : Qnil; | |
| 191 } | |
| 192 | |
| 193 DEFUN ("consp", Fconsp, 1, 1, 0, /* | |
| 194 Return t if OBJECT is a cons cell. `nil' is not a cons cell. | |
| 3343 | 195 |
| 3355 | 196 See the documentation for `cons' or the Lisp manual for more details on what |
| 197 a cons cell is. | |
| 428 | 198 */ |
| 199 (object)) | |
| 200 { | |
| 201 return CONSP (object) ? Qt : Qnil; | |
| 202 } | |
| 203 | |
| 204 DEFUN ("atom", Fatom, 1, 1, 0, /* | |
| 205 Return t if OBJECT is not a cons cell. `nil' is not a cons cell. | |
| 3355 | 206 |
| 207 See the documentation for `cons' or the Lisp manual for more details on what | |
| 208 a cons cell is. | |
| 428 | 209 */ |
| 210 (object)) | |
| 211 { | |
| 212 return CONSP (object) ? Qnil : Qt; | |
| 213 } | |
| 214 | |
| 215 DEFUN ("listp", Flistp, 1, 1, 0, /* | |
| 216 Return t if OBJECT is a list. `nil' is a list. | |
| 3343 | 217 |
| 3355 | 218 A list is either the Lisp object nil (a symbol), interpreted as the empty |
| 219 list in this context, or a cons cell whose CDR refers to either nil or a | |
| 220 cons cell. A "proper list" contains no cycles. | |
| 428 | 221 */ |
| 222 (object)) | |
| 223 { | |
| 224 return LISTP (object) ? Qt : Qnil; | |
| 225 } | |
| 226 | |
| 227 DEFUN ("nlistp", Fnlistp, 1, 1, 0, /* | |
| 228 Return t if OBJECT is not a list. `nil' is a list. | |
| 229 */ | |
| 230 (object)) | |
| 231 { | |
| 232 return LISTP (object) ? Qnil : Qt; | |
| 233 } | |
| 234 | |
| 235 DEFUN ("true-list-p", Ftrue_list_p, 1, 1, 0, /* | |
| 1551 | 236 Return t if OBJECT is an acyclic, nil-terminated (ie, not dotted), list. |
| 428 | 237 */ |
| 238 (object)) | |
| 239 { | |
| 240 return TRUE_LIST_P (object) ? Qt : Qnil; | |
| 241 } | |
| 242 | |
| 243 DEFUN ("symbolp", Fsymbolp, 1, 1, 0, /* | |
| 244 Return t if OBJECT is a symbol. | |
| 3343 | 245 |
| 246 A symbol is a Lisp object with a name. It can optionally have any and all of | |
| 247 a value, a property list and an associated function. | |
| 428 | 248 */ |
| 249 (object)) | |
| 250 { | |
| 251 return SYMBOLP (object) ? Qt : Qnil; | |
| 252 } | |
| 253 | |
| 254 DEFUN ("keywordp", Fkeywordp, 1, 1, 0, /* | |
| 255 Return t if OBJECT is a keyword. | |
| 256 */ | |
| 257 (object)) | |
| 258 { | |
| 259 return KEYWORDP (object) ? Qt : Qnil; | |
| 260 } | |
| 261 | |
| 262 DEFUN ("vectorp", Fvectorp, 1, 1, 0, /* | |
| 263 Return t if OBJECT is a vector. | |
| 264 */ | |
| 265 (object)) | |
| 266 { | |
| 267 return VECTORP (object) ? Qt : Qnil; | |
| 268 } | |
| 269 | |
| 270 DEFUN ("bit-vector-p", Fbit_vector_p, 1, 1, 0, /* | |
| 271 Return t if OBJECT is a bit vector. | |
| 272 */ | |
| 273 (object)) | |
| 274 { | |
| 275 return BIT_VECTORP (object) ? Qt : Qnil; | |
| 276 } | |
| 277 | |
| 278 DEFUN ("stringp", Fstringp, 1, 1, 0, /* | |
| 279 Return t if OBJECT is a string. | |
| 280 */ | |
| 281 (object)) | |
| 282 { | |
| 283 return STRINGP (object) ? Qt : Qnil; | |
| 284 } | |
| 285 | |
| 286 DEFUN ("arrayp", Farrayp, 1, 1, 0, /* | |
| 287 Return t if OBJECT is an array (string, vector, or bit vector). | |
| 288 */ | |
| 289 (object)) | |
| 290 { | |
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291 return ARRAYP (object) ? Qt : Qnil; |
| 428 | 292 } |
| 293 | |
| 294 DEFUN ("sequencep", Fsequencep, 1, 1, 0, /* | |
| 295 Return t if OBJECT is a sequence (list or array). | |
| 296 */ | |
| 297 (object)) | |
| 298 { | |
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299 return SEQUENCEP (object) ? Qt : Qnil; |
| 428 | 300 } |
| 301 | |
| 302 DEFUN ("markerp", Fmarkerp, 1, 1, 0, /* | |
| 303 Return t if OBJECT is a marker (editor pointer). | |
| 304 */ | |
| 305 (object)) | |
| 306 { | |
| 307 return MARKERP (object) ? Qt : Qnil; | |
| 308 } | |
| 309 | |
| 310 DEFUN ("subrp", Fsubrp, 1, 1, 0, /* | |
| 311 Return t if OBJECT is a built-in function. | |
| 312 */ | |
| 313 (object)) | |
| 314 { | |
| 315 return SUBRP (object) ? Qt : Qnil; | |
| 316 } | |
| 317 | |
| 318 DEFUN ("subr-min-args", Fsubr_min_args, 1, 1, 0, /* | |
| 319 Return minimum number of args built-in function SUBR may be called with. | |
| 320 */ | |
| 321 (subr)) | |
| 322 { | |
| 323 CHECK_SUBR (subr); | |
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324 return make_fixnum (XSUBR (subr)->min_args); |
| 428 | 325 } |
| 326 | |
| 327 DEFUN ("subr-max-args", Fsubr_max_args, 1, 1, 0, /* | |
| 328 Return maximum number of args built-in function SUBR may be called with, | |
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329 or nil if it takes an arbitrary number of arguments or is a special operator. |
| 428 | 330 */ |
| 331 (subr)) | |
| 332 { | |
| 333 int nargs; | |
| 334 CHECK_SUBR (subr); | |
| 335 nargs = XSUBR (subr)->max_args; | |
| 336 if (nargs == MANY || nargs == UNEVALLED) | |
| 337 return Qnil; | |
| 338 else | |
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339 return make_fixnum (nargs); |
| 428 | 340 } |
| 341 | |
| 342 DEFUN ("subr-interactive", Fsubr_interactive, 1, 1, 0, /* | |
| 444 | 343 Return the interactive spec of the subr object SUBR, or nil. |
| 428 | 344 If non-nil, the return value will be a list whose first element is |
| 345 `interactive' and whose second element is the interactive spec. | |
| 346 */ | |
| 347 (subr)) | |
| 348 { | |
| 867 | 349 const CIbyte *prompt; |
| 428 | 350 CHECK_SUBR (subr); |
| 351 prompt = XSUBR (subr)->prompt; | |
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352 return prompt ? list2 (Qinteractive, build_msg_cistring (prompt)) : Qnil; |
| 428 | 353 } |
| 354 | |
| 355 | |
| 356 DEFUN ("characterp", Fcharacterp, 1, 1, 0, /* | |
| 357 Return t if OBJECT is a character. | |
| 358 Unlike in XEmacs v19 and FSF Emacs, a character is its own primitive type. | |
| 359 Any character can be converted into an equivalent integer using | |
| 360 `char-int'. To convert the other way, use `int-char'; however, | |
| 361 only some integers can be converted into characters. Such an integer | |
| 362 is called a `char-int'; see `char-int-p'. | |
| 363 | |
| 364 Some functions that work on integers (e.g. the comparison functions | |
| 365 <, <=, =, /=, etc. and the arithmetic functions +, -, *, etc.) | |
| 366 accept characters and implicitly convert them into integers. In | |
| 367 general, functions that work on characters also accept char-ints and | |
| 368 implicitly convert them into characters. WARNING: Neither of these | |
| 369 behaviors is very desirable, and they are maintained for backward | |
| 370 compatibility with old E-Lisp programs that confounded characters and | |
| 371 integers willy-nilly. These behaviors may change in the future; therefore, | |
| 372 do not rely on them. Instead, use the character-specific functions such | |
| 373 as `char='. | |
| 374 */ | |
| 375 (object)) | |
| 376 { | |
| 377 return CHARP (object) ? Qt : Qnil; | |
| 378 } | |
| 379 | |
| 380 DEFUN ("char-to-int", Fchar_to_int, 1, 1, 0, /* | |
| 444 | 381 Convert CHARACTER into an equivalent integer. |
| 428 | 382 The resulting integer will always be non-negative. The integers in |
| 383 the range 0 - 255 map to characters as follows: | |
| 384 | |
| 385 0 - 31 Control set 0 | |
| 386 32 - 127 ASCII | |
| 387 128 - 159 Control set 1 | |
| 388 160 - 255 Right half of ISO-8859-1 | |
| 389 | |
| 390 If support for Mule does not exist, these are the only valid character | |
| 391 values. When Mule support exists, the values assigned to other characters | |
| 392 may vary depending on the particular version of XEmacs, the order in which | |
| 393 character sets were loaded, etc., and you should not depend on them. | |
| 394 */ | |
| 444 | 395 (character)) |
| 428 | 396 { |
| 444 | 397 CHECK_CHAR (character); |
|
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398 return make_fixnum (XCHAR (character)); |
| 428 | 399 } |
| 400 | |
| 401 DEFUN ("int-to-char", Fint_to_char, 1, 1, 0, /* | |
| 444 | 402 Convert integer INTEGER into the equivalent character. |
| 428 | 403 Not all integers correspond to valid characters; use `char-int-p' to |
| 404 determine whether this is the case. If the integer cannot be converted, | |
| 405 nil is returned. | |
| 406 */ | |
| 407 (integer)) | |
| 408 { | |
|
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|
409 CHECK_INTEGER (integer); |
| 428 | 410 if (CHAR_INTP (integer)) |
|
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changeset
|
411 return make_char (XFIXNUM (integer)); |
| 428 | 412 else |
| 413 return Qnil; | |
| 414 } | |
| 415 | |
| 416 DEFUN ("char-int-p", Fchar_int_p, 1, 1, 0, /* | |
| 417 Return t if OBJECT is an integer that can be converted into a character. | |
| 418 See `char-int'. | |
| 419 */ | |
| 420 (object)) | |
| 421 { | |
| 422 return CHAR_INTP (object) ? Qt : Qnil; | |
| 423 } | |
| 424 | |
| 425 DEFUN ("char-or-char-int-p", Fchar_or_char_int_p, 1, 1, 0, /* | |
| 426 Return t if OBJECT is a character or an integer that can be converted into one. | |
| 427 */ | |
| 428 (object)) | |
| 429 { | |
| 430 return CHAR_OR_CHAR_INTP (object) ? Qt : Qnil; | |
| 431 } | |
| 432 | |
| 433 DEFUN ("char-or-string-p", Fchar_or_string_p, 1, 1, 0, /* | |
| 434 Return t if OBJECT is a character (or a char-int) or a string. | |
| 435 It is semi-hateful that we allow a char-int here, as it goes against | |
| 436 the name of this function, but it makes the most sense considering the | |
| 437 other steps we take to maintain compatibility with the old character/integer | |
| 438 confoundedness in older versions of E-Lisp. | |
| 439 */ | |
| 440 (object)) | |
| 441 { | |
| 442 return CHAR_OR_CHAR_INTP (object) || STRINGP (object) ? Qt : Qnil; | |
| 443 } | |
| 444 | |
| 1983 | 445 DEFUN ("fixnump", Ffixnump, 1, 1, 0, /* |
| 446 Return t if OBJECT is a fixnum. | |
|
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|
447 |
|
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|
448 In this implementation, a fixnum is an immediate integer, and has a |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
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|
449 maximum value described by the constant `most-positive-fixnum'. This |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
450 contrasts with bignums, integers where the values are limited by your |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
451 available memory. |
| 1983 | 452 */ |
| 453 (object)) | |
| 454 { | |
|
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|
455 return FIXNUMP (object) ? Qt : Qnil; |
| 1983 | 456 } |
| 428 | 457 DEFUN ("integerp", Fintegerp, 1, 1, 0, /* |
|
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|
458 Return t if OBJECT is an integer, nil otherwise. |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
459 |
|
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|
460 On builds without bignum support, this function is identical to `fixnump'. |
| 428 | 461 */ |
| 462 (object)) | |
| 463 { | |
|
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|
464 return INTEGERP (object) ? Qt : Qnil; |
| 428 | 465 } |
| 466 | |
| 467 DEFUN ("integer-or-marker-p", Finteger_or_marker_p, 1, 1, 0, /* | |
| 468 Return t if OBJECT is an integer or a marker (editor pointer). | |
| 469 */ | |
| 470 (object)) | |
| 471 { | |
|
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|
472 return INTEGERP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 473 } |
| 474 | |
| 475 DEFUN ("integer-or-char-p", Finteger_or_char_p, 1, 1, 0, /* | |
| 476 Return t if OBJECT is an integer or a character. | |
| 477 */ | |
| 478 (object)) | |
| 479 { | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
480 return INTEGERP (object) || CHARP (object) ? Qt : Qnil; |
| 428 | 481 } |
| 482 | |
| 483 DEFUN ("integer-char-or-marker-p", Finteger_char_or_marker_p, 1, 1, 0, /* | |
| 484 Return t if OBJECT is an integer, character or a marker (editor pointer). | |
| 485 */ | |
| 486 (object)) | |
| 487 { | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
488 return INTEGERP (object) || CHARP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 489 } |
| 490 | |
| 491 DEFUN ("natnump", Fnatnump, 1, 1, 0, /* | |
| 492 Return t if OBJECT is a nonnegative integer. | |
| 493 */ | |
| 494 (object)) | |
| 495 { | |
|
5307
c096d8051f89
Have NATNUMP give t for positive bignums; check limits appropriately.
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|
496 return NATNUMP (object) ? Qt : Qnil; |
| 1983 | 497 } |
| 498 | |
| 499 DEFUN ("nonnegativep", Fnonnegativep, 1, 1, 0, /* | |
| 500 Return t if OBJECT is a nonnegative number. | |
| 501 */ | |
| 502 (object)) | |
| 503 { | |
| 504 return NATNUMP (object) | |
| 505 #ifdef HAVE_RATIO | |
| 506 || (RATIOP (object) && ratio_sign (XRATIO_DATA (object)) >= 0) | |
| 507 #endif | |
| 508 #ifdef HAVE_BIGFLOAT | |
| 509 || (BIGFLOATP (object) && bigfloat_sign (XBIGFLOAT_DATA (object)) >= 0) | |
| 510 #endif | |
| 511 ? Qt : Qnil; | |
| 428 | 512 } |
| 513 | |
| 514 DEFUN ("bitp", Fbitp, 1, 1, 0, /* | |
| 515 Return t if OBJECT is a bit (0 or 1). | |
| 516 */ | |
| 517 (object)) | |
| 518 { | |
| 519 return BITP (object) ? Qt : Qnil; | |
| 520 } | |
| 521 | |
| 522 DEFUN ("numberp", Fnumberp, 1, 1, 0, /* | |
| 523 Return t if OBJECT is a number (floating point or integer). | |
| 524 */ | |
| 525 (object)) | |
| 526 { | |
| 1983 | 527 return NUMBERP (object) ? Qt : Qnil; |
| 428 | 528 } |
| 529 | |
| 530 DEFUN ("number-or-marker-p", Fnumber_or_marker_p, 1, 1, 0, /* | |
| 531 Return t if OBJECT is a number or a marker. | |
| 532 */ | |
| 533 (object)) | |
| 534 { | |
|
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changeset
|
535 return NUMBERP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 536 } |
| 537 | |
| 538 DEFUN ("number-char-or-marker-p", Fnumber_char_or_marker_p, 1, 1, 0, /* | |
| 539 Return t if OBJECT is a number, character or a marker. | |
| 540 */ | |
| 541 (object)) | |
| 542 { | |
|
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changeset
|
543 return (NUMBERP (object) || CHARP (object) || MARKERP (object)) |
| 428 | 544 ? Qt : Qnil; |
| 545 } | |
| 546 | |
| 547 DEFUN ("floatp", Ffloatp, 1, 1, 0, /* | |
| 548 Return t if OBJECT is a floating point number. | |
| 549 */ | |
| 550 (object)) | |
| 551 { | |
| 552 return FLOATP (object) ? Qt : Qnil; | |
| 553 } | |
| 554 | |
| 555 DEFUN ("type-of", Ftype_of, 1, 1, 0, /* | |
| 556 Return a symbol representing the type of OBJECT. | |
| 557 */ | |
| 558 (object)) | |
| 559 { | |
| 560 switch (XTYPE (object)) | |
| 561 { | |
| 562 case Lisp_Type_Record: | |
| 563 return intern (XRECORD_LHEADER_IMPLEMENTATION (object)->name); | |
| 564 | |
| 565 case Lisp_Type_Char: return Qcharacter; | |
| 566 | |
|
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873d7425c1ad
Change integer to fixnum in a few places where it wasn't possible mechanically.
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parents:
5581
diff
changeset
|
567 default: return Qfixnum; |
| 428 | 568 } |
| 569 } | |
| 570 | |
| 571 | |
| 572 /* Extract and set components of lists */ | |
| 573 | |
| 574 DEFUN ("car", Fcar, 1, 1, 0, /* | |
|
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|
575 Return the car of LIST. If LIST is nil, return nil. |
| 3343 | 576 The car of a list or a dotted pair is its first element. |
| 577 | |
|
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|
578 Error if LIST is not nil and not a cons cell. See also `car-safe'. |
| 428 | 579 */ |
|
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changeset
|
580 (list)) |
| 428 | 581 { |
| 582 while (1) | |
| 583 { | |
|
5752
70a3f4ff8da8
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parents:
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diff
changeset
|
584 if (CONSP (list)) |
|
70a3f4ff8da8
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changeset
|
585 return XCAR (list); |
|
70a3f4ff8da8
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changeset
|
586 else if (NILP (list)) |
| 428 | 587 return Qnil; |
| 588 else | |
|
5752
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parents:
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diff
changeset
|
589 list = wrong_type_argument (Qlistp, list); |
| 428 | 590 } |
| 591 } | |
| 592 | |
| 593 DEFUN ("car-safe", Fcar_safe, 1, 1, 0, /* | |
| 594 Return the car of OBJECT if it is a cons cell, or else nil. | |
| 595 */ | |
| 596 (object)) | |
| 597 { | |
| 598 return CONSP (object) ? XCAR (object) : Qnil; | |
| 599 } | |
| 600 | |
| 601 DEFUN ("cdr", Fcdr, 1, 1, 0, /* | |
|
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diff
changeset
|
602 Return the cdr of LIST. If LIST is nil, return nil. |
| 3343 | 603 The cdr of a list is the list without its first element. The cdr of a |
| 604 dotted pair (A . B) is the second element, B. | |
| 605 | |
| 428 | 606 Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
| 607 */ | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
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parents:
5736
diff
changeset
|
608 (list)) |
| 428 | 609 { |
| 610 while (1) | |
| 611 { | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
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5736
diff
changeset
|
612 if (CONSP (list)) |
|
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
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5736
diff
changeset
|
613 return XCDR (list); |
|
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
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5736
diff
changeset
|
614 else if (NILP (list)) |
| 428 | 615 return Qnil; |
| 616 else | |
|
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Improve coding style, variable names, data.c, sequence.c
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changeset
|
617 list = wrong_type_argument (Qlistp, list); |
| 428 | 618 } |
| 619 } | |
| 620 | |
| 621 DEFUN ("cdr-safe", Fcdr_safe, 1, 1, 0, /* | |
| 622 Return the cdr of OBJECT if it is a cons cell, else nil. | |
| 623 */ | |
| 624 (object)) | |
| 625 { | |
| 626 return CONSP (object) ? XCDR (object) : Qnil; | |
| 627 } | |
| 628 | |
| 629 DEFUN ("setcar", Fsetcar, 2, 2, 0, /* | |
| 444 | 630 Set the car of CONS-CELL to be NEWCAR. Return NEWCAR. |
| 3343 | 631 The car of a list or a dotted pair is its first element. |
| 428 | 632 */ |
| 444 | 633 (cons_cell, newcar)) |
| 428 | 634 { |
| 444 | 635 if (!CONSP (cons_cell)) |
| 636 cons_cell = wrong_type_argument (Qconsp, cons_cell); | |
| 428 | 637 |
| 444 | 638 XCAR (cons_cell) = newcar; |
| 428 | 639 return newcar; |
| 640 } | |
| 641 | |
| 642 DEFUN ("setcdr", Fsetcdr, 2, 2, 0, /* | |
| 444 | 643 Set the cdr of CONS-CELL to be NEWCDR. Return NEWCDR. |
| 3343 | 644 The cdr of a list is the list without its first element. The cdr of a |
| 645 dotted pair (A . B) is the second element, B. | |
| 428 | 646 */ |
| 444 | 647 (cons_cell, newcdr)) |
| 428 | 648 { |
| 444 | 649 if (!CONSP (cons_cell)) |
| 650 cons_cell = wrong_type_argument (Qconsp, cons_cell); | |
| 428 | 651 |
| 444 | 652 XCDR (cons_cell) = newcdr; |
| 428 | 653 return newcdr; |
| 654 } | |
| 655 | |
| 656 /* Find the function at the end of a chain of symbol function indirections. | |
| 657 | |
| 658 If OBJECT is a symbol, find the end of its function chain and | |
| 659 return the value found there. If OBJECT is not a symbol, just | |
| 660 return it. If there is a cycle in the function chain, signal a | |
| 661 cyclic-function-indirection error. | |
| 662 | |
| 442 | 663 This is like Findirect_function when VOID_FUNCTION_ERRORP is true. |
| 664 When VOID_FUNCTION_ERRORP is false, no error is signaled if the end | |
| 665 of the chain ends up being Qunbound. */ | |
| 428 | 666 Lisp_Object |
| 442 | 667 indirect_function (Lisp_Object object, int void_function_errorp) |
| 428 | 668 { |
| 669 #define FUNCTION_INDIRECTION_SUSPICION_LENGTH 16 | |
| 670 Lisp_Object tortoise, hare; | |
| 671 int count; | |
| 672 | |
| 673 for (hare = tortoise = object, count = 0; | |
| 674 SYMBOLP (hare); | |
| 675 hare = XSYMBOL (hare)->function, count++) | |
| 676 { | |
| 677 if (count < FUNCTION_INDIRECTION_SUSPICION_LENGTH) continue; | |
| 678 | |
| 679 if (count & 1) | |
| 680 tortoise = XSYMBOL (tortoise)->function; | |
| 681 if (EQ (hare, tortoise)) | |
| 682 return Fsignal (Qcyclic_function_indirection, list1 (object)); | |
| 683 } | |
| 684 | |
| 442 | 685 if (void_function_errorp && UNBOUNDP (hare)) |
| 436 | 686 return signal_void_function_error (object); |
| 428 | 687 |
| 688 return hare; | |
| 689 } | |
| 690 | |
| 691 DEFUN ("indirect-function", Findirect_function, 1, 1, 0, /* | |
| 692 Return the function at the end of OBJECT's function chain. | |
| 693 If OBJECT is a symbol, follow all function indirections and return | |
| 694 the final function binding. | |
| 695 If OBJECT is not a symbol, just return it. | |
| 696 Signal a void-function error if the final symbol is unbound. | |
| 697 Signal a cyclic-function-indirection error if there is a loop in the | |
| 698 function chain of symbols. | |
| 699 */ | |
| 700 (object)) | |
| 701 { | |
| 702 return indirect_function (object, 1); | |
| 703 } | |
| 704 | |
| 705 /* Extract and set vector and string elements */ | |
| 706 | |
| 707 DEFUN ("aref", Faref, 2, 2, 0, /* | |
| 708 Return the element of ARRAY at index INDEX. | |
| 709 ARRAY may be a vector, bit vector, or string. INDEX starts at 0. | |
| 710 */ | |
| 711 (array, index_)) | |
| 712 { | |
| 713 EMACS_INT idx; | |
| 714 | |
| 715 retry: | |
| 716 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
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changeset
|
717 if (FIXNUMP (index_)) idx = XFIXNUM (index_); |
| 428 | 718 else if (CHARP (index_)) idx = XCHAR (index_); /* yuck! */ |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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changeset
|
719 #ifdef HAVE_BIGNUM |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
720 else if (BIGNUMP (index_)) |
|
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|
721 { |
|
6772ce4d982b
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diff
changeset
|
722 Lisp_Object canon = Fcanonicalize_number (index_); |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
723 if (EQ (canon, index_)) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
724 { |
|
6772ce4d982b
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Aidan Kehoe <kehoea@parhasard.net>
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4846
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changeset
|
725 /* We don't support non-fixnum indices. */ |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
726 goto range_error; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
727 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
728 index_ = canon; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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4846
diff
changeset
|
729 goto retry; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
730 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
731 #endif |
| 428 | 732 else |
| 733 { | |
| 734 index_ = wrong_type_argument (Qinteger_or_char_p, index_); | |
| 735 goto retry; | |
| 736 } | |
| 737 | |
| 738 if (idx < 0) goto range_error; | |
| 739 | |
| 740 if (VECTORP (array)) | |
| 741 { | |
| 742 if (idx >= XVECTOR_LENGTH (array)) goto range_error; | |
| 743 return XVECTOR_DATA (array)[idx]; | |
| 744 } | |
| 745 else if (BIT_VECTORP (array)) | |
| 746 { | |
| 647 | 747 if (idx >= (EMACS_INT) bit_vector_length (XBIT_VECTOR (array))) |
| 748 goto range_error; | |
|
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diff
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|
749 return make_fixnum (bit_vector_bit (XBIT_VECTOR (array), idx)); |
| 428 | 750 } |
| 751 else if (STRINGP (array)) | |
| 752 { | |
| 826 | 753 if (idx >= string_char_length (array)) goto range_error; |
| 867 | 754 return make_char (string_ichar (array, idx)); |
| 428 | 755 } |
| 756 else | |
| 757 { | |
| 758 check_losing_bytecode ("aref", array); | |
| 759 array = wrong_type_argument (Qarrayp, array); | |
| 760 goto retry; | |
| 761 } | |
| 762 | |
| 763 range_error: | |
| 764 args_out_of_range (array, index_); | |
| 1204 | 765 RETURN_NOT_REACHED (Qnil); |
| 428 | 766 } |
| 767 | |
| 768 DEFUN ("aset", Faset, 3, 3, 0, /* | |
| 769 Store into the element of ARRAY at index INDEX the value NEWVAL. | |
| 770 ARRAY may be a vector, bit vector, or string. INDEX starts at 0. | |
| 771 */ | |
| 772 (array, index_, newval)) | |
| 773 { | |
| 774 EMACS_INT idx; | |
| 775 | |
| 776 retry: | |
| 777 | |
|
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|
778 if (FIXNUMP (index_)) idx = XFIXNUM (index_); |
| 428 | 779 else if (CHARP (index_)) idx = XCHAR (index_); /* yuck! */ |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
780 #ifdef HAVE_BIGNUM |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
781 else if (BIGNUMP (index_)) |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
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|
782 { |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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|
783 Lisp_Object canon = Fcanonicalize_number (index_); |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
784 if (EQ (canon, index_)) |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
785 { |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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4846
diff
changeset
|
786 /* We don't support non-fixnum indices. */ |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
787 goto range_error; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
788 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
789 index_ = canon; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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changeset
|
790 goto retry; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
791 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
792 #endif |
| 428 | 793 else |
| 794 { | |
| 795 index_ = wrong_type_argument (Qinteger_or_char_p, index_); | |
| 796 goto retry; | |
| 797 } | |
| 798 | |
| 799 if (idx < 0) goto range_error; | |
| 800 | |
| 771 | 801 CHECK_LISP_WRITEABLE (array); |
| 428 | 802 if (VECTORP (array)) |
| 803 { | |
| 804 if (idx >= XVECTOR_LENGTH (array)) goto range_error; | |
| 805 XVECTOR_DATA (array)[idx] = newval; | |
| 806 } | |
| 807 else if (BIT_VECTORP (array)) | |
| 808 { | |
| 647 | 809 if (idx >= (EMACS_INT) bit_vector_length (XBIT_VECTOR (array))) |
| 810 goto range_error; | |
| 428 | 811 CHECK_BIT (newval); |
| 812 set_bit_vector_bit (XBIT_VECTOR (array), idx, !ZEROP (newval)); | |
| 813 } | |
| 814 else if (STRINGP (array)) | |
| 815 { | |
| 816 CHECK_CHAR_COERCE_INT (newval); | |
| 826 | 817 if (idx >= string_char_length (array)) goto range_error; |
| 793 | 818 set_string_char (array, idx, XCHAR (newval)); |
| 428 | 819 bump_string_modiff (array); |
| 820 } | |
| 821 else | |
| 822 { | |
| 823 array = wrong_type_argument (Qarrayp, array); | |
| 824 goto retry; | |
| 825 } | |
| 826 | |
| 827 return newval; | |
| 828 | |
| 829 range_error: | |
| 830 args_out_of_range (array, index_); | |
| 1204 | 831 RETURN_NOT_REACHED (Qnil); |
| 428 | 832 } |
| 833 | |
| 834 | |
| 835 /**********************************************************************/ | |
| 836 /* Arithmetic functions */ | |
| 837 /**********************************************************************/ | |
| 2001 | 838 #ifndef WITH_NUMBER_TYPES |
| 428 | 839 typedef struct |
| 840 { | |
| 841 int int_p; | |
| 842 union | |
| 843 { | |
| 844 EMACS_INT ival; | |
| 845 double dval; | |
| 846 } c; | |
| 847 } int_or_double; | |
| 848 | |
| 849 static void | |
| 850 number_char_or_marker_to_int_or_double (Lisp_Object obj, int_or_double *p) | |
| 851 { | |
| 852 retry: | |
| 853 p->int_p = 1; | |
|
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|
854 if (FIXNUMP (obj)) p->c.ival = XFIXNUM (obj); |
| 428 | 855 else if (CHARP (obj)) p->c.ival = XCHAR (obj); |
| 856 else if (MARKERP (obj)) p->c.ival = marker_position (obj); | |
| 857 else if (FLOATP (obj)) p->c.dval = XFLOAT_DATA (obj), p->int_p = 0; | |
| 858 else | |
| 859 { | |
| 860 obj = wrong_type_argument (Qnumber_char_or_marker_p, obj); | |
| 861 goto retry; | |
| 862 } | |
| 863 } | |
| 864 | |
| 865 static double | |
| 866 number_char_or_marker_to_double (Lisp_Object obj) | |
| 867 { | |
| 868 retry: | |
|
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|
869 if (FIXNUMP (obj)) return (double) XFIXNUM (obj); |
| 428 | 870 else if (CHARP (obj)) return (double) XCHAR (obj); |
| 871 else if (MARKERP (obj)) return (double) marker_position (obj); | |
| 872 else if (FLOATP (obj)) return XFLOAT_DATA (obj); | |
| 873 else | |
| 874 { | |
| 875 obj = wrong_type_argument (Qnumber_char_or_marker_p, obj); | |
| 876 goto retry; | |
| 877 } | |
| 878 } | |
| 2001 | 879 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 880 |
| 881 static EMACS_INT | |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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changeset
|
882 fixnum_char_or_marker_to_int (Lisp_Object obj) |
| 428 | 883 { |
| 884 retry: | |
|
5581
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diff
changeset
|
885 if (FIXNUMP (obj)) return XFIXNUM (obj); |
| 428 | 886 else if (CHARP (obj)) return XCHAR (obj); |
| 887 else if (MARKERP (obj)) return marker_position (obj); | |
| 888 else | |
| 889 { | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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changeset
|
890 /* On bignum builds, we can only be called from #'lognot, which |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
891 protects against this happening: */ |
|
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
892 assert (!BIGNUMP (obj)); |
| 428 | 893 obj = wrong_type_argument (Qinteger_char_or_marker_p, obj); |
| 894 goto retry; | |
| 895 } | |
| 896 } | |
| 897 | |
| 1983 | 898 #ifdef WITH_NUMBER_TYPES |
| 899 | |
| 900 #ifdef HAVE_BIGNUM | |
| 901 #define BIGNUM_CASE(op) \ | |
| 902 case BIGNUM_T: \ | |
| 903 if (!bignum_##op (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2))) \ | |
| 904 return Qnil; \ | |
| 905 break; | |
| 906 #else | |
| 907 #define BIGNUM_CASE(op) | |
| 908 #endif /* HAVE_BIGNUM */ | |
| 909 | |
| 910 #ifdef HAVE_RATIO | |
| 911 #define RATIO_CASE(op) \ | |
| 912 case RATIO_T: \ | |
| 913 if (!ratio_##op (XRATIO_DATA (obj1), XRATIO_DATA (obj2))) \ | |
| 914 return Qnil; \ | |
| 915 break; | |
| 916 #else | |
| 917 #define RATIO_CASE(op) | |
| 918 #endif /* HAVE_RATIO */ | |
| 919 | |
| 920 #ifdef HAVE_BIGFLOAT | |
| 921 #define BIGFLOAT_CASE(op) \ | |
| 922 case BIGFLOAT_T: \ | |
| 923 if (!bigfloat_##op (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2))) \ | |
| 924 return Qnil; \ | |
| 925 break; | |
| 926 #else | |
| 927 #define BIGFLOAT_CASE(op) | |
| 928 #endif /* HAVE_BIGFLOAT */ | |
| 929 | |
| 930 #define ARITHCOMPARE_MANY(c_op,op) \ | |
| 931 { \ | |
| 932 REGISTER int i; \ | |
| 933 Lisp_Object obj1, obj2; \ | |
| 934 \ | |
| 935 for (i = 1; i < nargs; i++) \ | |
| 936 { \ | |
| 937 obj1 = args[i - 1]; \ | |
| 938 obj2 = args[i]; \ | |
| 939 switch (promote_args (&obj1, &obj2)) \ | |
| 940 { \ | |
| 941 case FIXNUM_T: \ | |
|
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diff
changeset
|
942 if (!(XREALFIXNUM (obj1) c_op XREALFIXNUM (obj2))) \ |
| 1983 | 943 return Qnil; \ |
| 944 break; \ | |
| 945 BIGNUM_CASE (op) \ | |
| 946 RATIO_CASE (op) \ | |
| 947 case FLOAT_T: \ | |
| 948 if (!(XFLOAT_DATA (obj1) c_op XFLOAT_DATA (obj2))) \ | |
| 949 return Qnil; \ | |
| 950 break; \ | |
| 951 BIGFLOAT_CASE (op) \ | |
| 952 } \ | |
| 953 } \ | |
| 954 return Qt; \ | |
| 955 } | |
| 956 #else /* !WITH_NUMBER_TYPES */ | |
| 957 #define ARITHCOMPARE_MANY(c_op,op) \ | |
| 428 | 958 { \ |
| 959 int_or_double iod1, iod2, *p = &iod1, *q = &iod2; \ | |
| 960 Lisp_Object *args_end = args + nargs; \ | |
| 961 \ | |
| 962 number_char_or_marker_to_int_or_double (*args++, p); \ | |
| 963 \ | |
| 964 while (args < args_end) \ | |
| 965 { \ | |
| 966 number_char_or_marker_to_int_or_double (*args++, q); \ | |
| 967 \ | |
| 968 if (!((p->int_p && q->int_p) ? \ | |
| 1983 | 969 (p->c.ival c_op q->c.ival) : \ |
| 970 ((p->int_p ? (double) p->c.ival : p->c.dval) c_op \ | |
| 428 | 971 (q->int_p ? (double) q->c.ival : q->c.dval)))) \ |
| 972 return Qnil; \ | |
| 973 \ | |
| 974 { /* swap */ int_or_double *r = p; p = q; q = r; } \ | |
| 975 } \ | |
| 976 return Qt; \ | |
| 977 } | |
| 1983 | 978 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 979 |
| 980 DEFUN ("=", Feqlsign, 1, MANY, 0, /* | |
| 981 Return t if all the arguments are numerically equal. | |
| 982 The arguments may be numbers, characters or markers. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
983 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
984 arguments: (FIRST &rest ARGS) |
| 428 | 985 */ |
| 986 (int nargs, Lisp_Object *args)) | |
| 987 { | |
| 1983 | 988 ARITHCOMPARE_MANY (==, eql) |
| 428 | 989 } |
| 990 | |
| 991 DEFUN ("<", Flss, 1, MANY, 0, /* | |
| 992 Return t if the sequence of arguments is monotonically increasing. | |
| 3343 | 993 |
| 994 (That is, if there is a second argument, it must be numerically greater than | |
| 995 the first. If there is a third, it must be numerically greater than the | |
| 996 second, and so on.) At least one argument is required. | |
| 997 | |
| 998 The arguments may be numbers, characters or markers. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
999 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1000 arguments: (FIRST &rest ARGS) |
| 428 | 1001 */ |
| 1002 (int nargs, Lisp_Object *args)) | |
| 1003 { | |
| 1983 | 1004 ARITHCOMPARE_MANY (<, lt) |
| 428 | 1005 } |
| 1006 | |
| 1007 DEFUN (">", Fgtr, 1, MANY, 0, /* | |
| 1008 Return t if the sequence of arguments is monotonically decreasing. | |
| 3343 | 1009 |
| 1010 (That is, if there is a second argument, it must be numerically less than | |
| 1011 the first. If there is a third, it must be numerically less than the | |
| 1012 second, and so forth.) At least one argument is required. | |
| 1013 | |
| 428 | 1014 The arguments may be numbers, characters or markers. |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1015 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1016 arguments: (FIRST &rest ARGS) |
| 428 | 1017 */ |
| 1018 (int nargs, Lisp_Object *args)) | |
| 1019 { | |
| 1983 | 1020 ARITHCOMPARE_MANY (>, gt) |
| 428 | 1021 } |
| 1022 | |
| 1023 DEFUN ("<=", Fleq, 1, MANY, 0, /* | |
| 1024 Return t if the sequence of arguments is monotonically nondecreasing. | |
| 1025 The arguments may be numbers, characters or markers. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1026 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1027 arguments: (FIRST &rest ARGS) |
| 428 | 1028 */ |
| 1029 (int nargs, Lisp_Object *args)) | |
| 1030 { | |
| 1983 | 1031 ARITHCOMPARE_MANY (<=, le) |
| 428 | 1032 } |
| 1033 | |
| 1034 DEFUN (">=", Fgeq, 1, MANY, 0, /* | |
| 1035 Return t if the sequence of arguments is monotonically nonincreasing. | |
| 1036 The arguments may be numbers, characters or markers. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1037 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1038 arguments: (FIRST &rest ARGS) |
| 428 | 1039 */ |
| 1040 (int nargs, Lisp_Object *args)) | |
| 1041 { | |
| 1983 | 1042 ARITHCOMPARE_MANY (>=, ge) |
| 428 | 1043 } |
| 1044 | |
| 1983 | 1045 /* Unlike all the other comparisons, this is an O(N*N) algorithm. But who |
| 1046 cares? Inspection of all elisp code distributed by xemacs.org shows that | |
| 1047 it is almost always called with 2 arguments, rarely with 3, and never with | |
| 1048 more than 3. The constant factors of algorithms with better asymptotic | |
| 1049 complexity are higher, which means that those algorithms will run SLOWER | |
| 1050 than this one in the common case. Optimize the common case! */ | |
| 428 | 1051 DEFUN ("/=", Fneq, 1, MANY, 0, /* |
| 1052 Return t if no two arguments are numerically equal. | |
| 1053 The arguments may be numbers, characters or markers. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1054 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1055 arguments: (FIRST &rest ARGS) |
| 428 | 1056 */ |
| 1057 (int nargs, Lisp_Object *args)) | |
| 1058 { | |
| 1983 | 1059 #ifdef WITH_NUMBER_TYPES |
| 1060 REGISTER int i, j; | |
| 1061 Lisp_Object obj1, obj2; | |
| 1062 | |
| 1063 for (i = 0; i < nargs - 1; i++) | |
| 1064 { | |
| 1065 obj1 = args[i]; | |
| 1066 for (j = i + 1; j < nargs; j++) | |
| 1067 { | |
| 1068 obj2 = args[j]; | |
| 1069 switch (promote_args (&obj1, &obj2)) | |
| 1070 { | |
| 1071 case FIXNUM_T: | |
|
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diff
changeset
|
1072 if (XREALFIXNUM (obj1) == XREALFIXNUM (obj2)) |
| 1983 | 1073 return Qnil; |
| 1074 break; | |
| 1075 #ifdef HAVE_BIGNUM | |
| 1076 case BIGNUM_T: | |
| 1077 if (bignum_eql (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2))) | |
| 1078 return Qnil; | |
| 1079 break; | |
| 1080 #endif | |
| 1081 #ifdef HAVE_RATIO | |
| 1082 case RATIO_T: | |
| 1083 if (ratio_eql (XRATIO_DATA (obj1), XRATIO_DATA (obj2))) | |
| 1084 return Qnil; | |
| 1085 break; | |
| 1086 #endif | |
| 1087 case FLOAT_T: | |
| 1088 if (XFLOAT_DATA (obj1) == XFLOAT_DATA (obj2)) | |
| 1089 return Qnil; | |
| 1090 break; | |
| 1091 #ifdef HAVE_BIGFLOAT | |
| 1092 case BIGFLOAT_T: | |
| 1093 if (bigfloat_eql (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2))) | |
| 1094 return Qnil; | |
| 1095 break; | |
| 1096 #endif | |
| 1097 } | |
| 1098 } | |
| 1099 } | |
| 1100 return Qt; | |
| 1101 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1102 Lisp_Object *args_end = args + nargs; |
| 1103 Lisp_Object *p, *q; | |
| 1104 | |
| 1105 /* Unlike all the other comparisons, this is an N*N algorithm. | |
| 1106 We could use a hash table for nargs > 50 to make this linear. */ | |
| 1107 for (p = args; p < args_end; p++) | |
| 1108 { | |
| 1109 int_or_double iod1, iod2; | |
| 1110 number_char_or_marker_to_int_or_double (*p, &iod1); | |
| 1111 | |
| 1112 for (q = p + 1; q < args_end; q++) | |
| 1113 { | |
| 1114 number_char_or_marker_to_int_or_double (*q, &iod2); | |
| 1115 | |
| 1116 if (!((iod1.int_p && iod2.int_p) ? | |
| 1117 (iod1.c.ival != iod2.c.ival) : | |
| 1118 ((iod1.int_p ? (double) iod1.c.ival : iod1.c.dval) != | |
| 1119 (iod2.int_p ? (double) iod2.c.ival : iod2.c.dval)))) | |
| 1120 return Qnil; | |
| 1121 } | |
| 1122 } | |
| 1123 return Qt; | |
| 1983 | 1124 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1125 } |
| 1126 | |
| 1127 DEFUN ("zerop", Fzerop, 1, 1, 0, /* | |
| 1128 Return t if NUMBER is zero. | |
| 1129 */ | |
| 1130 (number)) | |
| 1131 { | |
| 1132 retry: | |
|
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|
1133 if (FIXNUMP (number)) |
| 428 | 1134 return EQ (number, Qzero) ? Qt : Qnil; |
| 1983 | 1135 #ifdef HAVE_BIGNUM |
| 1136 else if (BIGNUMP (number)) | |
| 1137 return bignum_sign (XBIGNUM_DATA (number)) == 0 ? Qt : Qnil; | |
| 1138 #endif | |
| 1139 #ifdef HAVE_RATIO | |
| 1140 else if (RATIOP (number)) | |
| 1141 return ratio_sign (XRATIO_DATA (number)) == 0 ? Qt : Qnil; | |
| 1142 #endif | |
| 428 | 1143 else if (FLOATP (number)) |
| 1144 return XFLOAT_DATA (number) == 0.0 ? Qt : Qnil; | |
| 1983 | 1145 #ifdef HAVE_BIGFLOAT |
| 1146 else if (BIGFLOATP (number)) | |
| 1147 return bigfloat_sign (XBIGFLOAT_DATA (number)) == 0 ? Qt : Qnil; | |
| 1148 #endif | |
| 428 | 1149 else |
| 1150 { | |
| 1151 number = wrong_type_argument (Qnumberp, number); | |
| 1152 goto retry; | |
| 1153 } | |
| 1154 } | |
| 1155 | |
| 1156 /* Convert between a 32-bit value and a cons of two 16-bit values. | |
| 1157 This is used to pass 32-bit integers to and from the user. | |
| 1158 Use time_to_lisp() and lisp_to_time() for time values. | |
| 1159 | |
| 1160 If you're thinking of using this to store a pointer into a Lisp Object | |
| 1161 for internal purposes (such as when calling record_unwind_protect()), | |
| 1162 try using make_opaque_ptr()/get_opaque_ptr() instead. */ | |
| 1163 Lisp_Object | |
| 1164 word_to_lisp (unsigned int item) | |
| 1165 { | |
|
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|
1166 return Fcons (make_fixnum (item >> 16), make_fixnum (item & 0xffff)); |
| 428 | 1167 } |
| 1168 | |
| 1169 unsigned int | |
| 1170 lisp_to_word (Lisp_Object item) | |
| 1171 { | |
|
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1172 if (FIXNUMP (item)) |
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|
1173 return XFIXNUM (item); |
| 428 | 1174 else |
| 1175 { | |
| 1176 Lisp_Object top = Fcar (item); | |
| 1177 Lisp_Object bot = Fcdr (item); | |
|
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1178 CHECK_FIXNUM (top); |
|
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1179 CHECK_FIXNUM (bot); |
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|
1180 return (XFIXNUM (top) << 16) | (XFIXNUM (bot) & 0xffff); |
| 428 | 1181 } |
| 1182 } | |
| 1183 | |
| 1184 | |
| 1185 DEFUN ("number-to-string", Fnumber_to_string, 1, 1, 0, /* | |
| 444 | 1186 Convert NUMBER to a string by printing it in decimal. |
| 428 | 1187 Uses a minus sign if negative. |
| 444 | 1188 NUMBER may be an integer or a floating point number. |
| 1983 | 1189 If supported, it may also be a ratio. |
| 428 | 1190 */ |
| 444 | 1191 (number)) |
| 428 | 1192 { |
| 1983 | 1193 CHECK_NUMBER (number); |
| 428 | 1194 |
| 444 | 1195 if (FLOATP (number)) |
| 428 | 1196 { |
|
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1197 Ascbyte pigbuf[350]; /* see comments in float_to_string */ |
| 428 | 1198 |
| 444 | 1199 float_to_string (pigbuf, XFLOAT_DATA (number)); |
|
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1200 return build_ascstring (pigbuf); |
| 428 | 1201 } |
| 1983 | 1202 #ifdef HAVE_BIGNUM |
| 1203 if (BIGNUMP (number)) | |
| 1204 { | |
|
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1205 Ascbyte *str = bignum_to_string (XBIGNUM_DATA (number), 10); |
|
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1206 Lisp_Object retval = build_ascstring (str); |
|
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1207 xfree (str); |
| 1983 | 1208 return retval; |
| 1209 } | |
| 1210 #endif | |
| 1211 #ifdef HAVE_RATIO | |
| 1212 if (RATIOP (number)) | |
| 1213 { | |
|
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1214 Ascbyte *str = ratio_to_string (XRATIO_DATA (number), 10); |
|
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1215 Lisp_Object retval = build_ascstring (str); |
|
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|
1216 xfree (str); |
| 1983 | 1217 return retval; |
| 1218 } | |
| 1219 #endif | |
| 1220 #ifdef HAVE_BIGFLOAT | |
| 1221 if (BIGFLOATP (number)) | |
| 1222 { | |
|
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1223 Ascbyte *str = bigfloat_to_string (XBIGFLOAT_DATA (number), 10); |
|
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|
1224 Lisp_Object retval = build_ascstring (str); |
|
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|
1225 xfree (str); |
| 1983 | 1226 return retval; |
| 1227 } | |
| 1228 #endif | |
| 428 | 1229 |
| 603 | 1230 { |
|
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|
1231 Ascbyte buffer[DECIMAL_PRINT_SIZE (long)]; |
| 603 | 1232 |
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|
1233 long_to_string (buffer, XFIXNUM (number)); |
|
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1234 return build_ascstring (buffer); |
| 603 | 1235 } |
| 428 | 1236 } |
| 1237 | |
| 2001 | 1238 #ifndef HAVE_BIGNUM |
| 428 | 1239 static int |
| 1240 digit_to_number (int character, int base) | |
| 1241 { | |
| 1242 /* Assumes ASCII */ | |
| 1243 int digit = ((character >= '0' && character <= '9') ? character - '0' : | |
| 1244 (character >= 'a' && character <= 'z') ? character - 'a' + 10 : | |
| 1245 (character >= 'A' && character <= 'Z') ? character - 'A' + 10 : | |
| 1246 -1); | |
| 1247 | |
| 1248 return digit >= base ? -1 : digit; | |
| 1249 } | |
| 2001 | 1250 #endif |
| 428 | 1251 |
| 1252 DEFUN ("string-to-number", Fstring_to_number, 1, 2, 0, /* | |
| 444 | 1253 Convert STRING to a number by parsing it as a number in base BASE. |
| 428 | 1254 This parses both integers and floating point numbers. |
| 1983 | 1255 If they are supported, it also reads ratios. |
| 428 | 1256 It ignores leading spaces and tabs. |
| 1257 | |
| 444 | 1258 If BASE is nil or omitted, base 10 is used. |
| 1259 BASE must be an integer between 2 and 16 (inclusive). | |
| 428 | 1260 Floating point numbers always use base 10. |
| 1261 */ | |
| 1262 (string, base)) | |
| 1263 { | |
| 1995 | 1264 Ibyte *p; |
| 428 | 1265 int b; |
| 1266 | |
| 1267 CHECK_STRING (string); | |
| 1268 | |
| 1269 if (NILP (base)) | |
| 1270 b = 10; | |
| 1271 else | |
| 1272 { | |
|
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1273 check_integer_range (base, make_fixnum (2), make_fixnum (16)); |
|
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|
1274 b = XFIXNUM (base); |
| 428 | 1275 } |
| 1276 | |
| 1995 | 1277 p = XSTRING_DATA (string); |
| 428 | 1278 |
| 1279 /* Skip any whitespace at the front of the number. Some versions of | |
| 1280 atoi do this anyway, so we might as well make Emacs lisp consistent. */ | |
| 1281 while (*p == ' ' || *p == '\t') | |
| 1282 p++; | |
| 1283 | |
| 1995 | 1284 if (isfloat_string ((const char *) p) && b == 10) |
| 1983 | 1285 { |
| 1286 #ifdef HAVE_BIGFLOAT | |
| 1287 if (ZEROP (Vdefault_float_precision)) | |
| 1288 #endif | |
| 1995 | 1289 return make_float (atof ((const char *) p)); |
| 1983 | 1290 #ifdef HAVE_BIGFLOAT |
| 1291 else | |
| 1292 { | |
| 2013 | 1293 /* The GMP version of bigfloat_set_string (mpf_set_str) has the |
| 1294 following limitation: if p starts with a '+' sign, it does | |
| 1295 nothing; i.e., it leaves its bigfloat argument untouched. | |
| 1296 Therefore, move p past any leading '+' signs. */ | |
| 2010 | 1297 if (*p == '+') |
| 1298 p++; | |
| 1983 | 1299 bigfloat_set_prec (scratch_bigfloat, bigfloat_get_default_prec ()); |
| 1995 | 1300 bigfloat_set_string (scratch_bigfloat, (const char *) p, b); |
| 1983 | 1301 return make_bigfloat_bf (scratch_bigfloat); |
| 1302 } | |
| 1303 #endif | |
| 1304 } | |
| 1305 | |
| 1306 #ifdef HAVE_RATIO | |
| 1307 if (qxestrchr (p, '/') != NULL) | |
| 1308 { | |
| 2013 | 1309 /* The GMP version of ratio_set_string (mpq_set_str) has the following |
| 1310 limitations: | |
| 1311 - If p starts with a '+' sign, it does nothing; i.e., it leaves its | |
| 1312 ratio argument untouched. | |
| 1313 - If p has a '+' sign after the '/' (e.g., 300/+400), it sets the | |
| 1314 numerator from the string, but *leaves the denominator unchanged*. | |
| 1315 - If p has trailing nonnumeric characters, it sets the numerator from | |
| 1316 the string, but leaves the denominator unchanged. | |
| 1317 - If p has more than one '/', (e.g., 1/2/3), then it sets the | |
| 1318 numerator from the string, but leaves the denominator unchanged. | |
| 1319 | |
| 1320 Therefore, move p past any leading '+' signs, temporarily drop a null | |
| 1321 after the numeric characters we are trying to convert, and then put | |
| 1322 the nulled character back afterward. I am not going to fix problem | |
| 1323 #2; just don't write ratios that look like that. */ | |
| 1324 Ibyte *end, save; | |
| 1325 | |
| 2010 | 1326 if (*p == '+') |
| 1327 p++; | |
| 2013 | 1328 |
| 2014 | 1329 end = p; |
| 1330 if (*end == '-') | |
| 1331 end++; | |
| 1332 while ((*end >= '0' && *end <= '9') || | |
| 2013 | 1333 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || |
| 2014 | 1334 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) |
| 1335 end++; | |
| 2013 | 1336 if (*end == '/') |
| 2014 | 1337 { |
| 1338 end++; | |
| 1339 if (*end == '-') | |
| 1340 end++; | |
| 1341 while ((*end >= '0' && *end <= '9') || | |
| 1342 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || | |
| 1343 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) | |
| 1344 end++; | |
| 1345 } | |
| 2013 | 1346 save = *end; |
| 1347 *end = '\0'; | |
| 1995 | 1348 ratio_set_string (scratch_ratio, (const char *) p, b); |
| 2013 | 1349 *end = save; |
| 1350 ratio_canonicalize (scratch_ratio); | |
| 1983 | 1351 return make_ratio_rt (scratch_ratio); |
| 1352 } | |
| 1353 #endif /* HAVE_RATIO */ | |
| 1354 | |
| 1355 #ifdef HAVE_BIGNUM | |
| 2013 | 1356 { |
| 1357 /* The GMP version of bignum_set_string (mpz_set_str) has the following | |
| 1358 limitations: | |
| 1359 - If p starts with a '+' sign, it does nothing; i.e., it leaves its | |
| 1360 bignum argument untouched. | |
| 1361 - If p is the empty string, it does nothing. | |
| 1362 - If p has trailing nonnumeric characters, it does nothing. | |
| 1363 | |
| 1364 Therefore, move p past any leading '+' signs, temporarily drop a null | |
| 1365 after the numeric characters we are trying to convert, special case the | |
| 1366 empty string, and then put the nulled character back afterward. */ | |
| 1367 Ibyte *end, save; | |
| 1368 Lisp_Object retval; | |
| 1369 | |
| 1370 if (*p == '+') | |
| 1371 p++; | |
| 2014 | 1372 end = p; |
| 1373 if (*end == '-') | |
| 1374 end++; | |
| 1375 while ((*end >= '0' && *end <= '9') || | |
| 2013 | 1376 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || |
| 2014 | 1377 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) |
| 1378 end++; | |
| 2013 | 1379 save = *end; |
| 1380 *end = '\0'; | |
| 1381 if (*p == '\0') | |
|
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1382 retval = make_fixnum (0); |
| 2013 | 1383 else |
| 1384 { | |
| 1385 bignum_set_string (scratch_bignum, (const char *) p, b); | |
| 1386 retval = Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 1387 } | |
| 1388 *end = save; | |
| 1389 return retval; | |
| 1390 } | |
| 1983 | 1391 #else |
| 428 | 1392 if (b == 10) |
| 1393 { | |
| 1394 /* Use the system-provided functions for base 10. */ | |
| 1395 #if SIZEOF_EMACS_INT == SIZEOF_INT | |
|
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1396 return make_fixnum (atoi ((char*) p)); |
| 428 | 1397 #elif SIZEOF_EMACS_INT == SIZEOF_LONG |
|
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|
1398 return make_fixnum (atol ((char*) p)); |
| 428 | 1399 #elif SIZEOF_EMACS_INT == SIZEOF_LONG_LONG |
|
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1400 return make_fixnum (atoll ((char*) p)); |
| 428 | 1401 #endif |
| 1402 } | |
| 1403 else | |
| 1404 { | |
| 444 | 1405 int negative = 1; |
| 428 | 1406 EMACS_INT v = 0; |
| 1407 | |
| 1408 if (*p == '-') | |
| 1409 { | |
| 1410 negative = -1; | |
| 1411 p++; | |
| 1412 } | |
| 1413 else if (*p == '+') | |
| 1414 p++; | |
| 1415 while (1) | |
| 1416 { | |
| 444 | 1417 int digit = digit_to_number (*p++, b); |
| 428 | 1418 if (digit < 0) |
| 1419 break; | |
| 1420 v = v * b + digit; | |
| 1421 } | |
|
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1422 return make_fixnum (negative * v); |
| 428 | 1423 } |
| 1983 | 1424 #endif /* HAVE_BIGNUM */ |
| 428 | 1425 } |
| 1426 | |
| 1427 | |
| 1428 DEFUN ("+", Fplus, 0, MANY, 0, /* | |
| 1429 Return sum of any number of arguments. | |
| 1430 The arguments should all be numbers, characters or markers. | |
|
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1431 |
|
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1432 arguments: (&rest ARGS) |
| 428 | 1433 */ |
| 1434 (int nargs, Lisp_Object *args)) | |
| 1435 { | |
| 1983 | 1436 #ifdef WITH_NUMBER_TYPES |
| 1437 REGISTER int i; | |
|
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1438 Lisp_Object accum = make_fixnum (0), addend; |
| 1983 | 1439 |
| 1440 for (i = 0; i < nargs; i++) | |
| 1441 { | |
| 1442 addend = args[i]; | |
| 1443 switch (promote_args (&accum, &addend)) | |
| 1444 { | |
| 1445 case FIXNUM_T: | |
|
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1446 accum = make_integer (XREALFIXNUM (accum) + XREALFIXNUM (addend)); |
| 1983 | 1447 break; |
| 1448 #ifdef HAVE_BIGNUM | |
| 1449 case BIGNUM_T: | |
|
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1450 bignum_add (XBIGNUM_DATA (accum), XBIGNUM_DATA (accum), |
| 1983 | 1451 XBIGNUM_DATA (addend)); |
| 1452 break; | |
| 1453 #endif | |
| 1454 #ifdef HAVE_RATIO | |
| 1455 case RATIO_T: | |
|
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|
1456 ratio_add (XRATIO_DATA (accum), XRATIO_DATA (accum), |
| 1983 | 1457 XRATIO_DATA (addend)); |
| 1458 break; | |
| 1459 #endif | |
| 1460 case FLOAT_T: | |
| 1461 accum = make_float (XFLOAT_DATA (accum) + XFLOAT_DATA (addend)); | |
| 1462 break; | |
| 1463 #ifdef HAVE_BIGFLOAT | |
| 1464 case BIGFLOAT_T: | |
|
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1465 bigfloat_set_prec (XBIGFLOAT_DATA (accum), |
| 1983 | 1466 max (XBIGFLOAT_GET_PREC (addend), |
| 1467 XBIGFLOAT_GET_PREC (accum))); | |
|
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1468 bigfloat_add (XBIGFLOAT_DATA (accum), XBIGFLOAT_DATA (accum), |
| 1983 | 1469 XBIGFLOAT_DATA (addend)); |
| 1470 break; | |
| 1471 #endif | |
| 1472 } | |
| 1473 } | |
| 1474 return Fcanonicalize_number (accum); | |
| 1475 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1476 EMACS_INT iaccum = 0; |
| 1477 Lisp_Object *args_end = args + nargs; | |
| 1478 | |
| 1479 while (args < args_end) | |
| 1480 { | |
| 1481 int_or_double iod; | |
| 1482 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1483 if (iod.int_p) | |
| 1484 iaccum += iod.c.ival; | |
| 1485 else | |
| 1486 { | |
| 1487 double daccum = (double) iaccum + iod.c.dval; | |
| 1488 while (args < args_end) | |
| 1489 daccum += number_char_or_marker_to_double (*args++); | |
| 1490 return make_float (daccum); | |
| 1491 } | |
| 1492 } | |
| 1493 | |
|
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1494 return make_fixnum (iaccum); |
| 1983 | 1495 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1496 } |
| 1497 | |
| 1498 DEFUN ("-", Fminus, 1, MANY, 0, /* | |
| 1499 Negate number or subtract numbers, characters or markers. | |
| 1500 With one arg, negates it. With more than one arg, | |
| 1501 subtracts all but the first from the first. | |
|
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1502 |
|
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|
1503 arguments: (FIRST &rest ARGS) |
| 428 | 1504 */ |
| 1505 (int nargs, Lisp_Object *args)) | |
| 1506 { | |
| 1983 | 1507 #ifdef WITH_NUMBER_TYPES |
| 1508 REGISTER int i; | |
| 1509 Lisp_Object accum = args[0], subtrahend; | |
| 1510 | |
| 1511 if (nargs == 1) | |
| 1512 { | |
| 1513 if (CHARP (accum)) | |
|
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changeset
|
1514 accum = make_fixnum (XCHAR (accum)); |
| 1983 | 1515 else if (MARKERP (accum)) |
|
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|
1516 accum = make_fixnum (marker_position (accum)); |
| 1983 | 1517 |
| 1518 /* Invert the sign of accum */ | |
| 1519 CHECK_NUMBER (accum); | |
| 1520 switch (get_number_type (accum)) | |
| 1521 { | |
| 1522 case FIXNUM_T: | |
|
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|
1523 return make_integer (-XREALFIXNUM (accum)); |
| 1983 | 1524 #ifdef HAVE_BIGNUM |
| 1525 case BIGNUM_T: | |
| 1526 bignum_neg (scratch_bignum, XBIGNUM_DATA (accum)); | |
| 1527 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 1528 #endif | |
| 1529 #ifdef HAVE_RATIO | |
| 1530 case RATIO_T: | |
| 1531 ratio_neg (scratch_ratio, XRATIO_DATA (accum)); | |
| 1532 return make_ratio_rt (scratch_ratio); | |
| 1533 #endif | |
| 1534 case FLOAT_T: | |
| 1535 return make_float (-XFLOAT_DATA (accum)); | |
| 1536 #ifdef HAVE_BIGFLOAT | |
| 1537 case BIGFLOAT_T: | |
| 1538 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (accum)); | |
| 1539 bigfloat_neg (scratch_bigfloat, XBIGFLOAT_DATA (accum)); | |
| 1540 return make_bigfloat_bf (scratch_bigfloat); | |
| 1541 #endif | |
| 1542 } | |
| 1543 } | |
| 1544 else | |
| 1545 { | |
| 1546 /* Subtrace the remaining arguments from accum */ | |
| 1547 for (i = 1; i < nargs; i++) | |
| 1548 { | |
| 1549 subtrahend = args[i]; | |
| 1550 switch (promote_args (&accum, &subtrahend)) | |
| 1551 { | |
| 1552 case FIXNUM_T: | |
|
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|
1553 accum = make_integer (XREALFIXNUM (accum) - XREALFIXNUM (subtrahend)); |
| 1983 | 1554 break; |
| 1555 #ifdef HAVE_BIGNUM | |
| 1556 case BIGNUM_T: | |
| 1557 bignum_sub (scratch_bignum, XBIGNUM_DATA (accum), | |
| 1558 XBIGNUM_DATA (subtrahend)); | |
| 1559 accum = make_bignum_bg (scratch_bignum); | |
| 1560 break; | |
| 1561 #endif | |
| 1562 #ifdef HAVE_RATIO | |
| 1563 case RATIO_T: | |
| 1564 ratio_sub (scratch_ratio, XRATIO_DATA (accum), | |
| 1565 XRATIO_DATA (subtrahend)); | |
| 1566 accum = make_ratio_rt (scratch_ratio); | |
| 1567 break; | |
| 1568 #endif | |
| 1569 case FLOAT_T: | |
| 1570 accum = | |
| 1571 make_float (XFLOAT_DATA (accum) - XFLOAT_DATA (subtrahend)); | |
| 1572 break; | |
| 1573 #ifdef HAVE_BIGFLOAT | |
| 1574 case BIGFLOAT_T: | |
| 1575 bigfloat_set_prec (scratch_bigfloat, | |
| 1576 max (XBIGFLOAT_GET_PREC (subtrahend), | |
| 1577 XBIGFLOAT_GET_PREC (accum))); | |
| 1578 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 1579 XBIGFLOAT_DATA (subtrahend)); | |
| 1580 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 1581 break; | |
| 1582 #endif | |
| 1583 } | |
| 1584 } | |
| 1585 } | |
| 1586 return Fcanonicalize_number (accum); | |
| 1587 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1588 EMACS_INT iaccum; |
| 1589 double daccum; | |
| 1590 Lisp_Object *args_end = args + nargs; | |
| 1591 int_or_double iod; | |
| 1592 | |
| 1593 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1594 if (iod.int_p) | |
| 1595 iaccum = nargs > 1 ? iod.c.ival : - iod.c.ival; | |
| 1596 else | |
| 1597 { | |
| 1598 daccum = nargs > 1 ? iod.c.dval : - iod.c.dval; | |
| 1599 goto do_float; | |
| 1600 } | |
| 1601 | |
| 1602 while (args < args_end) | |
| 1603 { | |
| 1604 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1605 if (iod.int_p) | |
| 1606 iaccum -= iod.c.ival; | |
| 1607 else | |
| 1608 { | |
| 1609 daccum = (double) iaccum - iod.c.dval; | |
| 1610 goto do_float; | |
| 1611 } | |
| 1612 } | |
| 1613 | |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1614 return make_fixnum (iaccum); |
| 428 | 1615 |
| 1616 do_float: | |
| 1617 for (; args < args_end; args++) | |
| 1618 daccum -= number_char_or_marker_to_double (*args); | |
| 1619 return make_float (daccum); | |
| 1983 | 1620 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1621 } |
| 1622 | |
| 1623 DEFUN ("*", Ftimes, 0, MANY, 0, /* | |
| 1624 Return product of any number of arguments. | |
| 1625 The arguments should all be numbers, characters or markers. | |
|
4693
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diff
changeset
|
1626 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
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parents:
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diff
changeset
|
1627 arguments: (&rest ARGS) |
| 428 | 1628 */ |
| 1629 (int nargs, Lisp_Object *args)) | |
| 1630 { | |
| 1983 | 1631 #ifdef WITH_NUMBER_TYPES |
| 1632 REGISTER int i; | |
| 1633 /* Start with a bignum to avoid overflow */ | |
| 1634 Lisp_Object accum = make_bignum (1L), multiplier; | |
| 1635 | |
| 1636 for (i = 0; i < nargs; i++) | |
| 1637 { | |
| 1638 multiplier = args[i]; | |
| 1639 switch (promote_args (&accum, &multiplier)) | |
| 1640 { | |
| 1641 #ifdef HAVE_BIGNUM | |
| 1642 case BIGNUM_T: | |
|
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|
1643 bignum_mul (XBIGNUM_DATA (accum), XBIGNUM_DATA (accum), |
| 1983 | 1644 XBIGNUM_DATA (multiplier)); |
| 1645 break; | |
| 1646 #endif | |
| 1647 #ifdef HAVE_RATIO | |
| 1648 case RATIO_T: | |
|
5736
3192994c49ca
Convert C (un)signed long long values to bignums properly.
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changeset
|
1649 ratio_mul (XRATIO_DATA (accum), XRATIO_DATA (accum), |
| 1983 | 1650 XRATIO_DATA (multiplier)); |
| 1651 break; | |
| 1652 #endif | |
| 1653 case FLOAT_T: | |
| 1654 accum = make_float (XFLOAT_DATA (accum) * XFLOAT_DATA (multiplier)); | |
| 1655 break; | |
| 1656 #ifdef HAVE_BIGFLOAT | |
| 1657 case BIGFLOAT_T: | |
|
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Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
parents:
5582
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changeset
|
1658 bigfloat_set_prec (XBIGFLOAT_DATA (accum), |
| 1983 | 1659 max (XBIGFLOAT_GET_PREC (multiplier), |
| 1660 XBIGFLOAT_GET_PREC (accum))); | |
|
5736
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Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
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changeset
|
1661 bigfloat_mul (XBIGFLOAT_DATA (accum), XBIGFLOAT_DATA (accum), |
| 1983 | 1662 XBIGFLOAT_DATA (multiplier)); |
| 1663 break; | |
| 1664 #endif | |
| 1665 } | |
| 1666 } | |
| 1667 return Fcanonicalize_number (accum); | |
| 1668 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1669 EMACS_INT iaccum = 1; |
| 1670 Lisp_Object *args_end = args + nargs; | |
| 1671 | |
| 1672 while (args < args_end) | |
| 1673 { | |
| 1674 int_or_double iod; | |
| 1675 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1676 if (iod.int_p) | |
| 1677 iaccum *= iod.c.ival; | |
| 1678 else | |
| 1679 { | |
| 1680 double daccum = (double) iaccum * iod.c.dval; | |
| 1681 while (args < args_end) | |
| 1682 daccum *= number_char_or_marker_to_double (*args++); | |
| 1683 return make_float (daccum); | |
| 1684 } | |
| 1685 } | |
| 1686 | |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1687 return make_fixnum (iaccum); |
| 1983 | 1688 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1689 } |
| 1690 | |
| 1983 | 1691 #ifdef HAVE_RATIO |
| 1692 DEFUN ("div", Fdiv, 1, MANY, 0, /* | |
| 1693 Same as `/', but dividing integers creates a ratio instead of truncating. | |
| 1694 Note that this is a departure from Common Lisp, where / creates ratios when | |
| 1695 dividing integers. Having a separate function lets us avoid breaking existing | |
| 1696 Emacs Lisp code that expects / to do integer division. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1697 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1698 arguments: (FIRST &rest ARGS) |
| 1983 | 1699 */ |
| 1700 (int nargs, Lisp_Object *args)) | |
| 1701 { | |
| 1702 REGISTER int i; | |
| 1703 Lisp_Object accum, divisor; | |
| 1704 | |
| 1705 if (nargs == 1) | |
| 1706 { | |
| 1707 i = 0; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1708 accum = make_fixnum (1); |
| 1983 | 1709 } |
| 1710 else | |
| 1711 { | |
| 1712 i = 1; | |
| 1713 accum = args[0]; | |
| 1714 } | |
| 1715 for (; i < nargs; i++) | |
| 1716 { | |
| 1717 divisor = args[i]; | |
| 1718 switch (promote_args (&accum, &divisor)) | |
| 1719 { | |
| 1720 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1721 if (XREALFIXNUM (divisor) == 0) goto divide_by_zero; |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1722 bignum_set_long (scratch_bignum, XREALFIXNUM (accum)); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1723 bignum_set_long (scratch_bignum2, XREALFIXNUM (divisor)); |
| 1983 | 1724 accum = make_ratio_bg (scratch_bignum, scratch_bignum2); |
| 1725 break; | |
| 1726 case BIGNUM_T: | |
| 1727 if (bignum_sign (XBIGNUM_DATA (divisor)) == 0) goto divide_by_zero; | |
| 1728 accum = make_ratio_bg (XBIGNUM_DATA (accum), XBIGNUM_DATA (divisor)); | |
| 1729 break; | |
| 1730 case RATIO_T: | |
| 1731 if (ratio_sign (XRATIO_DATA (divisor)) == 0) goto divide_by_zero; | |
| 1732 ratio_div (scratch_ratio, XRATIO_DATA (accum), | |
| 1733 XRATIO_DATA (divisor)); | |
| 1734 accum = make_ratio_rt (scratch_ratio); | |
| 1735 break; | |
| 1736 case FLOAT_T: | |
| 1737 if (XFLOAT_DATA (divisor) == 0.0) goto divide_by_zero; | |
| 1738 accum = make_float (XFLOAT_DATA (accum) / XFLOAT_DATA (divisor)); | |
| 1739 break; | |
| 1740 #ifdef HAVE_BIGFLOAT | |
| 1741 case BIGFLOAT_T: | |
| 1742 if (bigfloat_sign (XBIGFLOAT_DATA (divisor)) == 0) | |
| 1743 goto divide_by_zero; | |
| 1744 bigfloat_set_prec (scratch_bigfloat, | |
| 1745 max (XBIGFLOAT_GET_PREC (divisor), | |
| 1746 XBIGFLOAT_GET_PREC (accum))); | |
| 1747 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 1748 XBIGFLOAT_DATA (divisor)); | |
| 1749 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 1750 break; | |
| 1751 #endif | |
| 1752 } | |
| 1753 } | |
| 1754 return Fcanonicalize_number (accum); | |
| 1755 | |
| 1756 divide_by_zero: | |
| 1757 Fsignal (Qarith_error, Qnil); | |
| 1758 return Qnil; /* not (usually) reached */ | |
| 1759 } | |
| 1760 #endif /* HAVE_RATIO */ | |
| 1761 | |
| 428 | 1762 DEFUN ("/", Fquo, 1, MANY, 0, /* |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1763 Return FIRST divided by all the remaining arguments. |
| 428 | 1764 The arguments must be numbers, characters or markers. |
| 1765 With one argument, reciprocates the argument. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1766 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1767 arguments: (FIRST &rest ARGS) |
| 428 | 1768 */ |
| 1769 (int nargs, Lisp_Object *args)) | |
| 1770 { | |
| 1983 | 1771 #ifdef WITH_NUMBER_TYPES |
| 1772 REGISTER int i; | |
| 1773 Lisp_Object accum, divisor; | |
| 1774 | |
| 1775 if (nargs == 1) | |
| 1776 { | |
| 1777 i = 0; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1778 accum = make_fixnum (1); |
| 1983 | 1779 } |
| 1780 else | |
| 1781 { | |
| 1782 i = 1; | |
| 1783 accum = args[0]; | |
| 1784 } | |
| 1785 for (; i < nargs; i++) | |
| 1786 { | |
| 1787 divisor = args[i]; | |
| 1788 switch (promote_args (&accum, &divisor)) | |
| 1789 { | |
| 1790 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1791 if (XREALFIXNUM (divisor) == 0) goto divide_by_zero; |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1792 accum = make_integer (XREALFIXNUM (accum) / XREALFIXNUM (divisor)); |
| 1983 | 1793 break; |
| 1794 #ifdef HAVE_BIGNUM | |
| 1795 case BIGNUM_T: | |
| 1796 if (bignum_sign (XBIGNUM_DATA (divisor)) == 0) goto divide_by_zero; | |
| 1797 bignum_div (scratch_bignum, XBIGNUM_DATA (accum), | |
| 1798 XBIGNUM_DATA (divisor)); | |
| 1799 accum = make_bignum_bg (scratch_bignum); | |
| 1800 break; | |
| 1801 #endif | |
| 1802 #ifdef HAVE_RATIO | |
| 1803 case RATIO_T: | |
| 1804 if (ratio_sign (XRATIO_DATA (divisor)) == 0) goto divide_by_zero; | |
| 1805 ratio_div (scratch_ratio, XRATIO_DATA (accum), | |
| 1806 XRATIO_DATA (divisor)); | |
| 1807 accum = make_ratio_rt (scratch_ratio); | |
| 1808 break; | |
| 1809 #endif | |
| 1810 case FLOAT_T: | |
| 1811 if (XFLOAT_DATA (divisor) == 0.0) goto divide_by_zero; | |
| 1812 accum = make_float (XFLOAT_DATA (accum) / XFLOAT_DATA (divisor)); | |
| 1813 break; | |
| 1814 #ifdef HAVE_BIGFLOAT | |
| 1815 case BIGFLOAT_T: | |
| 1816 if (bigfloat_sign (XBIGFLOAT_DATA (divisor)) == 0) | |
| 1817 goto divide_by_zero; | |
| 1818 bigfloat_set_prec (scratch_bigfloat, | |
| 1819 max (XBIGFLOAT_GET_PREC (divisor), | |
| 1820 XBIGFLOAT_GET_PREC (accum))); | |
| 1821 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 1822 XBIGFLOAT_DATA (divisor)); | |
| 1823 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 1824 break; | |
| 1825 #endif | |
| 1826 } | |
| 1827 } | |
| 1828 return Fcanonicalize_number (accum); | |
| 1829 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1830 EMACS_INT iaccum; |
| 1831 double daccum; | |
| 1832 Lisp_Object *args_end = args + nargs; | |
| 1833 int_or_double iod; | |
| 1834 | |
| 1835 if (nargs == 1) | |
| 1836 iaccum = 1; | |
| 1837 else | |
| 1838 { | |
| 1839 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1840 if (iod.int_p) | |
| 1841 iaccum = iod.c.ival; | |
| 1842 else | |
| 1843 { | |
| 1844 daccum = iod.c.dval; | |
| 1845 goto divide_floats; | |
| 1846 } | |
| 1847 } | |
| 1848 | |
| 1849 while (args < args_end) | |
| 1850 { | |
| 1851 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1852 if (iod.int_p) | |
| 1853 { | |
| 1854 if (iod.c.ival == 0) goto divide_by_zero; | |
| 1855 iaccum /= iod.c.ival; | |
| 1856 } | |
| 1857 else | |
| 1858 { | |
| 1859 if (iod.c.dval == 0) goto divide_by_zero; | |
| 1860 daccum = (double) iaccum / iod.c.dval; | |
| 1861 goto divide_floats; | |
| 1862 } | |
| 1863 } | |
| 1864 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1865 return make_fixnum (iaccum); |
| 428 | 1866 |
| 1867 divide_floats: | |
| 1868 for (; args < args_end; args++) | |
| 1869 { | |
| 1870 double dval = number_char_or_marker_to_double (*args); | |
| 1871 if (dval == 0) goto divide_by_zero; | |
| 1872 daccum /= dval; | |
| 1873 } | |
| 1874 return make_float (daccum); | |
| 1983 | 1875 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1876 |
| 1877 divide_by_zero: | |
| 1878 Fsignal (Qarith_error, Qnil); | |
| 801 | 1879 return Qnil; /* not (usually) reached */ |
| 428 | 1880 } |
| 1881 | |
| 1882 DEFUN ("max", Fmax, 1, MANY, 0, /* | |
| 1883 Return largest of all the arguments. | |
| 1983 | 1884 All arguments must be real numbers, characters or markers. |
| 428 | 1885 The value is always a number; markers and characters are converted |
| 1886 to numbers. | |
|
4693
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Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1887 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1888 arguments: (FIRST &rest ARGS) |
| 428 | 1889 */ |
| 1890 (int nargs, Lisp_Object *args)) | |
| 1891 { | |
| 1983 | 1892 #ifdef WITH_NUMBER_TYPES |
| 1893 REGISTER int i, maxindex = 0; | |
| 1894 Lisp_Object comp1, comp2; | |
| 1895 | |
| 1896 while (!(CHARP (args[0]) || MARKERP (args[0]) || REALP (args[0]))) | |
| 1897 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 1898 if (CHARP (args[0])) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1899 args[0] = make_fixnum (XCHAR (args[0])); |
| 1983 | 1900 else if (MARKERP (args[0])) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1901 args[0] = make_fixnum (marker_position (args[0])); |
| 1983 | 1902 for (i = 1; i < nargs; i++) |
| 1903 { | |
| 1904 comp1 = args[maxindex]; | |
| 1905 comp2 = args[i]; | |
| 1906 switch (promote_args (&comp1, &comp2)) | |
| 1907 { | |
| 1908 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
1909 if (XREALFIXNUM (comp1) < XREALFIXNUM (comp2)) |
| 1983 | 1910 maxindex = i; |
| 1911 break; | |
| 1912 #ifdef HAVE_BIGNUM | |
| 1913 case BIGNUM_T: | |
| 1914 if (bignum_lt (XBIGNUM_DATA (comp1), XBIGNUM_DATA (comp2))) | |
| 1915 maxindex = i; | |
| 1916 break; | |
| 1917 #endif | |
| 1918 #ifdef HAVE_RATIO | |
| 1919 case RATIO_T: | |
| 1920 if (ratio_lt (XRATIO_DATA (comp1), XRATIO_DATA (comp2))) | |
| 1921 maxindex = i; | |
| 1922 break; | |
| 1923 #endif | |
| 1924 case FLOAT_T: | |
| 1925 if (XFLOAT_DATA (comp1) < XFLOAT_DATA (comp2)) | |
| 1926 maxindex = i; | |
| 1927 break; | |
| 1928 #ifdef HAVE_BIGFLOAT | |
| 1929 case BIGFLOAT_T: | |
| 1930 if (bigfloat_lt (XBIGFLOAT_DATA (comp1), XBIGFLOAT_DATA (comp2))) | |
| 1931 maxindex = i; | |
| 1932 break; | |
| 1933 #endif | |
| 1934 } | |
| 1935 } | |
| 1936 return args[maxindex]; | |
| 1937 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1938 EMACS_INT imax; |
| 1939 double dmax; | |
| 1940 Lisp_Object *args_end = args + nargs; | |
| 1941 int_or_double iod; | |
| 1942 | |
| 1943 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1944 if (iod.int_p) | |
| 1945 imax = iod.c.ival; | |
| 1946 else | |
| 1947 { | |
| 1948 dmax = iod.c.dval; | |
| 1949 goto max_floats; | |
| 1950 } | |
| 1951 | |
| 1952 while (args < args_end) | |
| 1953 { | |
| 1954 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 1955 if (iod.int_p) | |
| 1956 { | |
| 1957 if (imax < iod.c.ival) imax = iod.c.ival; | |
| 1958 } | |
| 1959 else | |
| 1960 { | |
| 1961 dmax = (double) imax; | |
| 1962 if (dmax < iod.c.dval) dmax = iod.c.dval; | |
| 1963 goto max_floats; | |
| 1964 } | |
| 1965 } | |
| 1966 | |
|
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|
1967 return make_fixnum (imax); |
| 428 | 1968 |
| 1969 max_floats: | |
| 1970 while (args < args_end) | |
| 1971 { | |
| 1972 double dval = number_char_or_marker_to_double (*args++); | |
| 1973 if (dmax < dval) dmax = dval; | |
| 1974 } | |
| 1975 return make_float (dmax); | |
| 1983 | 1976 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1977 } |
| 1978 | |
| 1979 DEFUN ("min", Fmin, 1, MANY, 0, /* | |
| 1980 Return smallest of all the arguments. | |
| 1981 All arguments must be numbers, characters or markers. | |
| 1982 The value is always a number; markers and characters are converted | |
| 1983 to numbers. | |
|
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|
1984 |
|
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|
1985 arguments: (FIRST &rest ARGS) |
| 428 | 1986 */ |
| 1987 (int nargs, Lisp_Object *args)) | |
| 1988 { | |
| 1983 | 1989 #ifdef WITH_NUMBER_TYPES |
| 1990 REGISTER int i, minindex = 0; | |
| 1991 Lisp_Object comp1, comp2; | |
| 1992 | |
| 1993 while (!(CHARP (args[0]) || MARKERP (args[0]) || REALP (args[0]))) | |
| 1994 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 1995 if (CHARP (args[0])) | |
|
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|
1996 args[0] = make_fixnum (XCHAR (args[0])); |
| 1983 | 1997 else if (MARKERP (args[0])) |
|
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|
1998 args[0] = make_fixnum (marker_position (args[0])); |
| 1983 | 1999 for (i = 1; i < nargs; i++) |
| 2000 { | |
| 2001 comp1 = args[minindex]; | |
| 2002 comp2 = args[i]; | |
| 2003 switch (promote_args (&comp1, &comp2)) | |
| 2004 { | |
| 2005 case FIXNUM_T: | |
|
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|
2006 if (XREALFIXNUM (comp1) > XREALFIXNUM (comp2)) |
| 1983 | 2007 minindex = i; |
| 2008 break; | |
| 2009 #ifdef HAVE_BIGNUM | |
| 2010 case BIGNUM_T: | |
| 2011 if (bignum_gt (XBIGNUM_DATA (comp1), XBIGNUM_DATA (comp2))) | |
| 2012 minindex = i; | |
| 2013 break; | |
| 2014 #endif | |
| 2015 #ifdef HAVE_RATIO | |
| 2016 case RATIO_T: | |
| 2017 if (ratio_gt (XRATIO_DATA (comp1), XRATIO_DATA (comp2))) | |
| 2018 minindex = i; | |
| 2019 break; | |
| 2020 #endif | |
| 2021 case FLOAT_T: | |
| 2022 if (XFLOAT_DATA (comp1) > XFLOAT_DATA (comp2)) | |
| 2023 minindex = i; | |
| 2024 break; | |
| 2025 #ifdef HAVE_BIGFLOAT | |
| 2026 case BIGFLOAT_T: | |
| 2027 if (bigfloat_gt (XBIGFLOAT_DATA (comp1), XBIGFLOAT_DATA (comp2))) | |
| 2028 minindex = i; | |
| 2029 break; | |
| 2030 #endif | |
| 2031 } | |
| 2032 } | |
| 2033 return args[minindex]; | |
| 2034 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2035 EMACS_INT imin; |
| 2036 double dmin; | |
| 2037 Lisp_Object *args_end = args + nargs; | |
| 2038 int_or_double iod; | |
| 2039 | |
| 2040 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2041 if (iod.int_p) | |
| 2042 imin = iod.c.ival; | |
| 2043 else | |
| 2044 { | |
| 2045 dmin = iod.c.dval; | |
| 2046 goto min_floats; | |
| 2047 } | |
| 2048 | |
| 2049 while (args < args_end) | |
| 2050 { | |
| 2051 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2052 if (iod.int_p) | |
| 2053 { | |
| 2054 if (imin > iod.c.ival) imin = iod.c.ival; | |
| 2055 } | |
| 2056 else | |
| 2057 { | |
| 2058 dmin = (double) imin; | |
| 2059 if (dmin > iod.c.dval) dmin = iod.c.dval; | |
| 2060 goto min_floats; | |
| 2061 } | |
| 2062 } | |
| 2063 | |
|
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|
2064 return make_fixnum (imin); |
| 428 | 2065 |
| 2066 min_floats: | |
| 2067 while (args < args_end) | |
| 2068 { | |
| 2069 double dval = number_char_or_marker_to_double (*args++); | |
| 2070 if (dmin > dval) dmin = dval; | |
| 2071 } | |
| 2072 return make_float (dmin); | |
| 1983 | 2073 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2074 } |
| 2075 | |
| 2076 DEFUN ("logand", Flogand, 0, MANY, 0, /* | |
| 2077 Return bitwise-and of all the arguments. | |
| 2078 Arguments may be integers, or markers or characters converted to integers. | |
|
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|
2079 |
|
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|
2080 arguments: (&rest ARGS) |
| 428 | 2081 */ |
| 2082 (int nargs, Lisp_Object *args)) | |
| 2083 { | |
| 1983 | 2084 #ifdef HAVE_BIGNUM |
| 2085 REGISTER int i; | |
| 2086 Lisp_Object result, other; | |
| 2087 | |
| 2088 if (nargs == 0) | |
|
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|
2089 return make_fixnum (~0); |
| 1983 | 2090 |
| 2091 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
| 2092 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2093 | |
| 2094 result = args[0]; | |
| 2095 if (CHARP (result)) | |
|
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|
2096 result = make_fixnum (XCHAR (result)); |
| 1983 | 2097 else if (MARKERP (result)) |
|
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|
2098 result = make_fixnum (marker_position (result)); |
| 1983 | 2099 for (i = 1; i < nargs; i++) |
| 2100 { | |
| 2101 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
| 2102 args[i] = wrong_type_argument (Qnumber_char_or_marker_p, args[i]); | |
| 2103 other = args[i]; | |
| 1995 | 2104 switch (promote_args (&result, &other)) |
| 1983 | 2105 { |
| 2106 case FIXNUM_T: | |
|
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|
2107 result = make_fixnum (XREALFIXNUM (result) & XREALFIXNUM (other)); |
| 1983 | 2108 break; |
| 2109 case BIGNUM_T: | |
| 2110 bignum_and (scratch_bignum, XBIGNUM_DATA (result), | |
| 2111 XBIGNUM_DATA (other)); | |
| 2112 result = make_bignum_bg (scratch_bignum); | |
| 2113 break; | |
| 2114 } | |
| 2115 } | |
| 2116 return Fcanonicalize_number (result); | |
| 2117 #else /* !HAVE_BIGNUM */ | |
| 428 | 2118 EMACS_INT bits = ~0; |
| 2119 Lisp_Object *args_end = args + nargs; | |
| 2120 | |
| 2121 while (args < args_end) | |
|
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|
2122 bits &= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2123 |
|
5581
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|
2124 return make_fixnum (bits); |
| 1983 | 2125 #endif /* HAVE_BIGNUM */ |
| 428 | 2126 } |
| 2127 | |
| 2128 DEFUN ("logior", Flogior, 0, MANY, 0, /* | |
| 2129 Return bitwise-or of all the arguments. | |
| 2130 Arguments may be integers, or markers or characters converted to integers. | |
|
4693
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|
2131 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
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|
2132 arguments: (&rest ARGS) |
| 428 | 2133 */ |
| 2134 (int nargs, Lisp_Object *args)) | |
| 2135 { | |
| 1983 | 2136 #ifdef HAVE_BIGNUM |
| 2137 REGISTER int i; | |
| 2138 Lisp_Object result, other; | |
| 2139 | |
| 2140 if (nargs == 0) | |
|
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changeset
|
2141 return make_fixnum (0); |
| 1983 | 2142 |
| 2143 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
| 2144 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2145 | |
| 2146 result = args[0]; | |
| 2147 if (CHARP (result)) | |
|
5581
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changeset
|
2148 result = make_fixnum (XCHAR (result)); |
| 1983 | 2149 else if (MARKERP (result)) |
|
5581
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changeset
|
2150 result = make_fixnum (marker_position (result)); |
| 1983 | 2151 for (i = 1; i < nargs; i++) |
| 2152 { | |
| 2153 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
| 2154 args[i] = wrong_type_argument (Qnumber_char_or_marker_p, args[i]); | |
| 2155 other = args[i]; | |
| 2156 switch (promote_args (&result, &other)) | |
| 2157 { | |
| 2158 case FIXNUM_T: | |
|
5581
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Mechanically change INT to FIXNUM in our sources.
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|
2159 result = make_fixnum (XREALFIXNUM (result) | XREALFIXNUM (other)); |
| 1983 | 2160 break; |
| 2161 case BIGNUM_T: | |
| 2162 bignum_ior (scratch_bignum, XBIGNUM_DATA (result), | |
| 2163 XBIGNUM_DATA (other)); | |
| 2164 result = make_bignum_bg (scratch_bignum); | |
| 2165 break; | |
| 2166 } | |
| 2167 } | |
| 2168 return Fcanonicalize_number (result); | |
| 2169 #else /* !HAVE_BIGNUM */ | |
| 428 | 2170 EMACS_INT bits = 0; |
| 2171 Lisp_Object *args_end = args + nargs; | |
| 2172 | |
| 2173 while (args < args_end) | |
|
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changeset
|
2174 bits |= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2175 |
|
5581
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
2176 return make_fixnum (bits); |
| 1983 | 2177 #endif /* HAVE_BIGNUM */ |
| 428 | 2178 } |
| 2179 | |
| 2180 DEFUN ("logxor", Flogxor, 0, MANY, 0, /* | |
| 2181 Return bitwise-exclusive-or of all the arguments. | |
| 2182 Arguments may be integers, or markers or characters converted to integers. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
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3355
diff
changeset
|
2183 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
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3355
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changeset
|
2184 arguments: (&rest ARGS) |
| 428 | 2185 */ |
| 2186 (int nargs, Lisp_Object *args)) | |
| 2187 { | |
| 1983 | 2188 #ifdef HAVE_BIGNUM |
| 2189 REGISTER int i; | |
| 2190 Lisp_Object result, other; | |
| 2191 | |
| 2192 if (nargs == 0) | |
|
5581
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|
2193 return make_fixnum (0); |
| 1983 | 2194 |
| 2195 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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parents:
4846
diff
changeset
|
2196 args[0] = wrong_type_argument (Qinteger_char_or_marker_p, args[0]); |
| 1983 | 2197 |
| 2198 result = args[0]; | |
| 2199 if (CHARP (result)) | |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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|
2200 result = make_fixnum (XCHAR (result)); |
| 1983 | 2201 else if (MARKERP (result)) |
|
5581
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diff
changeset
|
2202 result = make_fixnum (marker_position (result)); |
| 1983 | 2203 for (i = 1; i < nargs; i++) |
| 2204 { | |
| 2205 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2206 args[i] = wrong_type_argument (Qinteger_char_or_marker_p, args[i]); |
| 1983 | 2207 other = args[i]; |
| 2208 if (promote_args (&result, &other) == FIXNUM_T) | |
| 2209 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2210 result = make_fixnum (XREALFIXNUM (result) ^ XREALFIXNUM (other)); |
| 1983 | 2211 } |
| 2212 else | |
| 2213 { | |
| 2214 bignum_xor (scratch_bignum, XBIGNUM_DATA (result), | |
| 2215 XBIGNUM_DATA (other)); | |
| 2216 result = make_bignum_bg (scratch_bignum); | |
| 2217 } | |
| 2218 } | |
| 2219 return Fcanonicalize_number (result); | |
| 2220 #else /* !HAVE_BIGNUM */ | |
| 428 | 2221 EMACS_INT bits = 0; |
| 2222 Lisp_Object *args_end = args + nargs; | |
| 2223 | |
| 2224 while (args < args_end) | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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4846
diff
changeset
|
2225 bits ^= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2226 |
|
5581
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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5510
diff
changeset
|
2227 return make_fixnum (bits); |
| 1983 | 2228 #endif /* !HAVE_BIGNUM */ |
| 428 | 2229 } |
| 2230 | |
| 2231 DEFUN ("lognot", Flognot, 1, 1, 0, /* | |
| 2232 Return the bitwise complement of NUMBER. | |
| 2233 NUMBER may be an integer, marker or character converted to integer. | |
| 2234 */ | |
| 2235 (number)) | |
| 2236 { | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2237 while (!(CHARP (number) || MARKERP (number) || INTEGERP (number))) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2238 number = wrong_type_argument (Qinteger_char_or_marker_p, number); |
|
6772ce4d982b
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diff
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|
2239 |
| 1983 | 2240 #ifdef HAVE_BIGNUM |
| 2241 if (BIGNUMP (number)) | |
| 2242 { | |
| 2243 bignum_not (scratch_bignum, XBIGNUM_DATA (number)); | |
| 2244 return make_bignum_bg (scratch_bignum); | |
| 2245 } | |
| 2246 #endif /* HAVE_BIGNUM */ | |
|
4885
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|
2247 |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
2248 return make_fixnum (~ fixnum_char_or_marker_to_int (number)); |
| 428 | 2249 } |
| 2250 | |
| 2251 DEFUN ("%", Frem, 2, 2, 0, /* | |
| 2252 Return remainder of first arg divided by second. | |
| 2253 Both must be integers, characters or markers. | |
| 2254 */ | |
| 444 | 2255 (number1, number2)) |
| 428 | 2256 { |
| 1983 | 2257 #ifdef HAVE_BIGNUM |
| 2258 while (!(CHARP (number1) || MARKERP (number1) || INTEGERP (number1))) | |
| 2259 number1 = wrong_type_argument (Qnumber_char_or_marker_p, number1); | |
| 2260 while (!(CHARP (number2) || MARKERP (number2) || INTEGERP (number2))) | |
| 2261 number2 = wrong_type_argument (Qnumber_char_or_marker_p, number2); | |
| 2262 | |
| 2263 if (promote_args (&number1, &number2) == FIXNUM_T) | |
| 2264 { | |
|
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|
2265 if (XREALFIXNUM (number2) == 0) |
| 1983 | 2266 Fsignal (Qarith_error, Qnil); |
|
5581
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|
2267 return make_fixnum (XREALFIXNUM (number1) % XREALFIXNUM (number2)); |
| 1983 | 2268 } |
| 2269 else | |
| 2270 { | |
| 2271 if (bignum_sign (XBIGNUM_DATA (number2)) == 0) | |
| 2272 Fsignal (Qarith_error, Qnil); | |
| 2273 bignum_mod (scratch_bignum, XBIGNUM_DATA (number1), | |
| 2274 XBIGNUM_DATA (number2)); | |
| 2275 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 2276 } | |
| 2277 #else /* !HAVE_BIGNUM */ | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2278 EMACS_INT ival1 = fixnum_char_or_marker_to_int (number1); |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2279 EMACS_INT ival2 = fixnum_char_or_marker_to_int (number2); |
| 428 | 2280 |
| 2281 if (ival2 == 0) | |
| 2282 Fsignal (Qarith_error, Qnil); | |
| 2283 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2284 return make_fixnum (ival1 % ival2); |
| 1983 | 2285 #endif /* HAVE_BIGNUM */ |
| 428 | 2286 } |
| 2287 | |
| 2288 /* Note, ANSI *requires* the presence of the fmod() library routine. | |
| 2289 If your system doesn't have it, complain to your vendor, because | |
| 2290 that is a bug. */ | |
| 2291 | |
| 2292 #ifndef HAVE_FMOD | |
| 2293 double | |
| 2294 fmod (double f1, double f2) | |
| 2295 { | |
| 2296 if (f2 < 0.0) | |
| 2297 f2 = -f2; | |
| 2298 return f1 - f2 * floor (f1/f2); | |
| 2299 } | |
| 2300 #endif /* ! HAVE_FMOD */ | |
| 2301 | |
| 2302 | |
| 2303 DEFUN ("mod", Fmod, 2, 2, 0, /* | |
| 2304 Return X modulo Y. | |
| 2305 The result falls between zero (inclusive) and Y (exclusive). | |
| 2306 Both X and Y must be numbers, characters or markers. | |
| 2307 If either argument is a float, a float will be returned. | |
| 2308 */ | |
| 2309 (x, y)) | |
| 2310 { | |
| 1983 | 2311 #ifdef WITH_NUMBER_TYPES |
| 2312 while (!(CHARP (x) || MARKERP (x) || REALP (x))) | |
| 2313 x = wrong_type_argument (Qnumber_char_or_marker_p, x); | |
| 2314 while (!(CHARP (y) || MARKERP (y) || REALP (y))) | |
| 2315 y = wrong_type_argument (Qnumber_char_or_marker_p, y); | |
| 2316 switch (promote_args (&x, &y)) | |
| 2317 { | |
| 2318 case FIXNUM_T: | |
| 2319 { | |
| 2320 EMACS_INT ival; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2321 if (XREALFIXNUM (y) == 0) goto divide_by_zero; |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2322 ival = XREALFIXNUM (x) % XREALFIXNUM (y); |
| 1983 | 2323 /* If the "remainder" comes out with the wrong sign, fix it. */ |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2324 if (XREALFIXNUM (y) < 0 ? ival > 0 : ival < 0) |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2325 ival += XREALFIXNUM (y); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2326 return make_fixnum (ival); |
| 1983 | 2327 } |
| 2328 #ifdef HAVE_BIGNUM | |
| 2329 case BIGNUM_T: | |
| 2330 if (bignum_sign (XBIGNUM_DATA (y)) == 0) goto divide_by_zero; | |
| 2331 bignum_mod (scratch_bignum, XBIGNUM_DATA (x), XBIGNUM_DATA (y)); | |
| 2332 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 2333 #endif | |
| 2334 #ifdef HAVE_RATIO | |
| 2335 case RATIO_T: | |
| 2336 if (ratio_sign (XRATIO_DATA (y)) == 0) goto divide_by_zero; | |
| 2337 ratio_div (scratch_ratio, XRATIO_DATA (x), XRATIO_DATA (y)); | |
| 2338 bignum_div (scratch_bignum, ratio_numerator (scratch_ratio), | |
| 2339 ratio_denominator (scratch_ratio)); | |
| 2340 ratio_set_bignum (scratch_ratio, scratch_bignum); | |
| 2341 ratio_mul (scratch_ratio, scratch_ratio, XRATIO_DATA (y)); | |
| 2342 ratio_sub (scratch_ratio, XRATIO_DATA (x), scratch_ratio); | |
| 2343 return Fcanonicalize_number (make_ratio_rt (scratch_ratio)); | |
| 2344 #endif | |
| 2345 case FLOAT_T: | |
| 2346 { | |
| 2347 double dval; | |
| 2348 if (XFLOAT_DATA (y) == 0.0) goto divide_by_zero; | |
| 2349 dval = fmod (XFLOAT_DATA (x), XFLOAT_DATA (y)); | |
| 2350 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2351 if (XFLOAT_DATA (y) < 0 ? dval > 0 : dval < 0) | |
| 2352 dval += XFLOAT_DATA (y); | |
| 2353 return make_float (dval); | |
| 2354 } | |
| 2355 #ifdef HAVE_BIGFLOAT | |
| 2356 case BIGFLOAT_T: | |
| 2357 bigfloat_set_prec (scratch_bigfloat, | |
| 2358 max (XBIGFLOAT_GET_PREC (x), XBIGFLOAT_GET_PREC (y))); | |
| 2359 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (x), XBIGFLOAT_DATA (y)); | |
| 2360 bigfloat_trunc (scratch_bigfloat, scratch_bigfloat); | |
| 2361 bigfloat_mul (scratch_bigfloat, scratch_bigfloat, XBIGFLOAT_DATA (y)); | |
| 2362 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (x), scratch_bigfloat); | |
| 2363 return make_bigfloat_bf (scratch_bigfloat); | |
| 2364 #endif | |
| 2365 } | |
| 2366 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2367 int_or_double iod1, iod2; |
| 2368 number_char_or_marker_to_int_or_double (x, &iod1); | |
| 2369 number_char_or_marker_to_int_or_double (y, &iod2); | |
| 2370 | |
| 2371 if (!iod1.int_p || !iod2.int_p) | |
| 2372 { | |
| 2373 double dval1 = iod1.int_p ? (double) iod1.c.ival : iod1.c.dval; | |
| 2374 double dval2 = iod2.int_p ? (double) iod2.c.ival : iod2.c.dval; | |
| 2375 if (dval2 == 0) goto divide_by_zero; | |
| 2376 dval1 = fmod (dval1, dval2); | |
| 2377 | |
| 2378 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2379 if (dval2 < 0 ? dval1 > 0 : dval1 < 0) | |
| 2380 dval1 += dval2; | |
| 2381 | |
| 2382 return make_float (dval1); | |
| 2383 } | |
| 1104 | 2384 |
| 428 | 2385 { |
| 2386 EMACS_INT ival; | |
| 2387 if (iod2.c.ival == 0) goto divide_by_zero; | |
| 2388 | |
| 2389 ival = iod1.c.ival % iod2.c.ival; | |
| 2390 | |
| 2391 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2392 if (iod2.c.ival < 0 ? ival > 0 : ival < 0) | |
| 2393 ival += iod2.c.ival; | |
| 2394 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2395 return make_fixnum (ival); |
| 428 | 2396 } |
| 1983 | 2397 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2398 |
| 2399 divide_by_zero: | |
| 2400 Fsignal (Qarith_error, Qnil); | |
| 801 | 2401 return Qnil; /* not (usually) reached */ |
| 428 | 2402 } |
| 2403 | |
| 2404 DEFUN ("ash", Fash, 2, 2, 0, /* | |
| 2405 Return VALUE with its bits shifted left by COUNT. | |
| 2406 If COUNT is negative, shifting is actually to the right. | |
| 2407 In this case, the sign bit is duplicated. | |
| 1983 | 2408 This function cannot be applied to bignums, as there is no leftmost sign bit |
| 2409 to be duplicated. Use `lsh' instead. | |
| 428 | 2410 */ |
| 2411 (value, count)) | |
| 2412 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2413 CHECK_FIXNUM_COERCE_CHAR (value); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2414 CONCHECK_FIXNUM (count); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2415 |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2416 return make_fixnum (XFIXNUM (count) > 0 ? |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2417 XFIXNUM (value) << XFIXNUM (count) : |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2418 XFIXNUM (value) >> -XFIXNUM (count)); |
| 428 | 2419 } |
| 2420 | |
| 2421 DEFUN ("lsh", Flsh, 2, 2, 0, /* | |
| 2422 Return VALUE with its bits shifted left by COUNT. | |
| 2423 If COUNT is negative, shifting is actually to the right. | |
| 2424 In this case, zeros are shifted in on the left. | |
| 2425 */ | |
| 2426 (value, count)) | |
| 2427 { | |
| 1983 | 2428 #ifdef HAVE_BIGNUM |
| 2429 while (!(CHARP (value) || MARKERP (value) || INTEGERP (value))) | |
| 2430 wrong_type_argument (Qnumber_char_or_marker_p, value); | |
| 2431 CONCHECK_INTEGER (count); | |
| 2432 | |
| 2433 if (promote_args (&value, &count) == FIXNUM_T) | |
| 2434 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2435 if (XREALFIXNUM (count) <= 0) |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2436 return make_fixnum (XREALFIXNUM (value) >> -XREALFIXNUM (count)); |
| 1983 | 2437 /* Use bignums to avoid overflow */ |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2438 bignum_set_long (scratch_bignum2, XREALFIXNUM (value)); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2439 bignum_lshift (scratch_bignum, scratch_bignum2, XREALFIXNUM (count)); |
| 1983 | 2440 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); |
| 2441 } | |
| 2442 else | |
| 2443 { | |
| 2444 if (bignum_sign (XBIGNUM_DATA (count)) <= 0) | |
| 2445 { | |
| 2446 bignum_neg (scratch_bignum, XBIGNUM_DATA (count)); | |
| 2447 if (!bignum_fits_ulong_p (scratch_bignum)) | |
| 2448 args_out_of_range (Qnumber_char_or_marker_p, count); | |
| 2449 bignum_rshift (scratch_bignum2, XBIGNUM_DATA (value), | |
| 2450 bignum_to_ulong (scratch_bignum)); | |
| 2451 } | |
| 2452 else | |
| 2453 { | |
| 2454 if (!bignum_fits_ulong_p (XBIGNUM_DATA (count))) | |
| 2455 args_out_of_range (Qnumber_char_or_marker_p, count); | |
| 2456 bignum_lshift (scratch_bignum2, XBIGNUM_DATA (value), | |
| 2457 bignum_to_ulong (XBIGNUM_DATA (count))); | |
| 2458 } | |
| 2459 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 2460 } | |
| 2461 #else /* !HAVE_BIGNUM */ | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2462 CHECK_FIXNUM_COERCE_CHAR (value); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2463 CONCHECK_FIXNUM (count); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2464 |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2465 return make_fixnum (XFIXNUM (count) > 0 ? |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2466 XUINT (value) << XFIXNUM (count) : |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2467 XUINT (value) >> -XFIXNUM (count)); |
| 1983 | 2468 #endif /* HAVE_BIGNUM */ |
| 428 | 2469 } |
| 2470 | |
| 2471 DEFUN ("1+", Fadd1, 1, 1, 0, /* | |
| 2472 Return NUMBER plus one. NUMBER may be a number, character or marker. | |
| 2473 Markers and characters are converted to integers. | |
| 2474 */ | |
| 2475 (number)) | |
| 2476 { | |
| 2477 retry: | |
| 2478 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2479 if (FIXNUMP (number)) return make_integer (XFIXNUM (number) + 1); |
|
5762
427a72c6ee17
Eliminate several compiler (clang) warnings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
5752
diff
changeset
|
2480 if (CHARP (number)) return make_integer ((EMACS_INT) XCHAR (number) + 1); |
| 1983 | 2481 if (MARKERP (number)) return make_integer (marker_position (number) + 1); |
| 428 | 2482 if (FLOATP (number)) return make_float (XFLOAT_DATA (number) + 1.0); |
| 1983 | 2483 #ifdef HAVE_BIGNUM |
| 2484 if (BIGNUMP (number)) | |
| 2485 { | |
| 2486 bignum_set_long (scratch_bignum, 1L); | |
| 2487 bignum_add (scratch_bignum2, XBIGNUM_DATA (number), scratch_bignum); | |
| 2488 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 2489 } | |
| 2490 #endif | |
| 2491 #ifdef HAVE_RATIO | |
| 2492 if (RATIOP (number)) | |
| 2493 { | |
| 2494 ratio_set_long (scratch_ratio, 1L); | |
| 2495 ratio_add (scratch_ratio, XRATIO_DATA (number), scratch_ratio); | |
| 2496 /* No need to canonicalize after adding 1 */ | |
| 2497 return make_ratio_rt (scratch_ratio); | |
| 2498 } | |
| 2499 #endif | |
| 2500 #ifdef HAVE_BIGFLOAT | |
| 2501 if (BIGFLOATP (number)) | |
| 2502 { | |
| 2503 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (number)); | |
| 2504 bigfloat_set_long (scratch_bigfloat, 1L); | |
| 2505 bigfloat_add (scratch_bigfloat, XBIGFLOAT_DATA (number), | |
| 2506 scratch_bigfloat); | |
| 2507 return make_bigfloat_bf (scratch_bigfloat); | |
| 2508 } | |
| 2509 #endif | |
| 428 | 2510 |
| 2511 number = wrong_type_argument (Qnumber_char_or_marker_p, number); | |
| 2512 goto retry; | |
| 2513 } | |
| 2514 | |
| 2515 DEFUN ("1-", Fsub1, 1, 1, 0, /* | |
| 2516 Return NUMBER minus one. NUMBER may be a number, character or marker. | |
| 2517 Markers and characters are converted to integers. | |
| 2518 */ | |
| 2519 (number)) | |
| 2520 { | |
| 2521 retry: | |
| 2522 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2523 if (FIXNUMP (number)) return make_integer (XFIXNUM (number) - 1); |
|
5762
427a72c6ee17
Eliminate several compiler (clang) warnings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
5752
diff
changeset
|
2524 if (CHARP (number)) return make_integer ((EMACS_INT) XCHAR (number) - 1); |
| 1983 | 2525 if (MARKERP (number)) return make_integer (marker_position (number) - 1); |
| 428 | 2526 if (FLOATP (number)) return make_float (XFLOAT_DATA (number) - 1.0); |
| 1983 | 2527 #ifdef HAVE_BIGNUM |
| 2528 if (BIGNUMP (number)) | |
| 2529 { | |
| 2530 bignum_set_long (scratch_bignum, 1L); | |
| 2531 bignum_sub (scratch_bignum2, XBIGNUM_DATA (number), scratch_bignum); | |
| 2532 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 2533 } | |
| 2534 #endif | |
| 2535 #ifdef HAVE_RATIO | |
| 2536 if (RATIOP (number)) | |
| 2537 { | |
| 2538 ratio_set_long (scratch_ratio, 1L); | |
| 2539 ratio_sub (scratch_ratio, XRATIO_DATA (number), scratch_ratio); | |
| 2540 /* No need to canonicalize after subtracting 1 */ | |
| 2541 return make_ratio_rt (scratch_ratio); | |
| 2542 } | |
| 2543 #endif | |
| 2544 #ifdef HAVE_BIGFLOAT | |
| 2545 if (BIGFLOATP (number)) | |
| 2546 { | |
| 2547 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (number)); | |
| 2548 bigfloat_set_long (scratch_bigfloat, 1L); | |
| 2549 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (number), | |
| 2550 scratch_bigfloat); | |
| 2551 return make_bigfloat_bf (scratch_bigfloat); | |
| 2552 } | |
| 2553 #endif | |
| 428 | 2554 |
| 2555 number = wrong_type_argument (Qnumber_char_or_marker_p, number); | |
| 2556 goto retry; | |
| 2557 } | |
| 2558 | |
| 2559 | |
| 2560 /************************************************************************/ | |
| 2561 /* weak lists */ | |
| 2562 /************************************************************************/ | |
| 2563 | |
| 2564 /* A weak list is like a normal list except that elements automatically | |
| 2565 disappear when no longer in use, i.e. when no longer GC-protected. | |
| 2566 The basic idea is that we don't mark the elements during GC, but | |
| 2567 wait for them to be marked elsewhere. If they're not marked, we | |
| 2568 remove them. This is analogous to weak hash tables; see the explanation | |
| 2569 there for more info. */ | |
| 2570 | |
| 2571 static Lisp_Object Vall_weak_lists; /* Gemarke es nicht!!! */ | |
| 2572 | |
| 2573 static Lisp_Object encode_weak_list_type (enum weak_list_type type); | |
| 2574 | |
| 2575 static Lisp_Object | |
| 2286 | 2576 mark_weak_list (Lisp_Object UNUSED (obj)) |
| 428 | 2577 { |
| 2578 return Qnil; /* nichts ist gemarkt */ | |
| 2579 } | |
| 2580 | |
| 2581 static void | |
| 2286 | 2582 print_weak_list (Lisp_Object obj, Lisp_Object printcharfun, |
|
5325
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2583 int escapeflag) |
| 428 | 2584 { |
| 2585 if (print_readably) | |
|
5325
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2586 { |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2587 printing_unreadable_lisp_object (obj, 0); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2588 } |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2589 |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2590 write_ascstring (printcharfun, "#<weak-list :type "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2591 print_internal (encode_weak_list_type (XWEAK_LIST (obj)->type), |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2592 printcharfun, escapeflag); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2593 write_ascstring (printcharfun, " :list "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2594 print_internal (XWEAK_LIST (obj)->list, printcharfun, escapeflag); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
2595 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 428 | 2596 } |
| 2597 | |
| 2598 static int | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
2599 weak_list_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 428 | 2600 { |
| 2601 struct weak_list *w1 = XWEAK_LIST (obj1); | |
| 2602 struct weak_list *w2 = XWEAK_LIST (obj2); | |
| 2603 | |
| 2604 return ((w1->type == w2->type) && | |
|
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2605 internal_equal_0 (w1->list, w2->list, depth + 1, foldcase)); |
| 428 | 2606 } |
| 2607 | |
| 665 | 2608 static Hashcode |
|
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|
2609 weak_list_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 428 | 2610 { |
| 2611 struct weak_list *w = XWEAK_LIST (obj); | |
| 2612 | |
| 665 | 2613 return HASH2 ((Hashcode) w->type, |
|
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|
2614 internal_hash (w->list, depth + 1, equalp)); |
| 428 | 2615 } |
| 2616 | |
| 2617 Lisp_Object | |
| 2618 make_weak_list (enum weak_list_type type) | |
| 2619 { | |
|
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2620 Lisp_Object result = ALLOC_NORMAL_LISP_OBJECT (weak_list); |
|
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2621 struct weak_list *wl = XWEAK_LIST (result); |
| 428 | 2622 |
| 2623 wl->list = Qnil; | |
| 2624 wl->type = type; | |
| 2625 wl->next_weak = Vall_weak_lists; | |
| 2626 Vall_weak_lists = result; | |
| 2627 return result; | |
| 2628 } | |
| 2629 | |
| 1204 | 2630 static const struct memory_description weak_list_description[] = { |
| 1598 | 2631 { XD_LISP_OBJECT, offsetof (struct weak_list, list), |
| 2551 | 2632 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 1598 | 2633 { XD_LO_LINK, offsetof (struct weak_list, next_weak), |
| 2551 | 2634 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 428 | 2635 { XD_END } |
| 2636 }; | |
| 2637 | |
|
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2638 DEFINE_DUMPABLE_LISP_OBJECT ("weak-list", weak_list, |
|
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|
2639 mark_weak_list, print_weak_list, |
|
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|
2640 0, weak_list_equal, weak_list_hash, |
|
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|
2641 weak_list_description, |
|
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|
2642 struct weak_list); |
| 428 | 2643 /* |
| 2644 -- we do not mark the list elements (either the elements themselves | |
| 2645 or the cons cells that hold them) in the normal marking phase. | |
| 2646 -- at the end of marking, we go through all weak lists that are | |
| 2647 marked, and mark the cons cells that hold all marked | |
| 2648 objects, and possibly parts of the objects themselves. | |
| 2649 (See alloc.c, "after-mark".) | |
| 2650 -- after that, we prune away all the cons cells that are not marked. | |
| 2651 | |
| 2652 WARNING WARNING WARNING WARNING WARNING: | |
| 2653 | |
| 2654 The code in the following two functions is *unbelievably* tricky. | |
| 2655 Don't mess with it. You'll be sorry. | |
| 2656 | |
| 2657 Linked lists just majorly suck, d'ya know? | |
| 2658 */ | |
| 2659 | |
| 2660 int | |
| 2661 finish_marking_weak_lists (void) | |
| 2662 { | |
| 2663 Lisp_Object rest; | |
| 2664 int did_mark = 0; | |
| 2665 | |
| 2666 for (rest = Vall_weak_lists; | |
| 2667 !NILP (rest); | |
| 2668 rest = XWEAK_LIST (rest)->next_weak) | |
| 2669 { | |
| 2670 Lisp_Object rest2; | |
| 2671 enum weak_list_type type = XWEAK_LIST (rest)->type; | |
| 2672 | |
| 2673 if (! marked_p (rest)) | |
| 2674 /* The weak list is probably garbage. Ignore it. */ | |
| 2675 continue; | |
| 2676 | |
| 2677 for (rest2 = XWEAK_LIST (rest)->list; | |
| 2678 /* We need to be trickier since we're inside of GC; | |
| 2679 use CONSP instead of !NILP in case of user-visible | |
| 2680 imperfect lists */ | |
| 2681 CONSP (rest2); | |
| 2682 rest2 = XCDR (rest2)) | |
| 2683 { | |
| 2684 Lisp_Object elem; | |
| 2685 /* If the element is "marked" (meaning depends on the type | |
| 2686 of weak list), we need to mark the cons containing the | |
| 2687 element, and maybe the element itself (if only some part | |
| 2688 was already marked). */ | |
| 2689 int need_to_mark_cons = 0; | |
| 2690 int need_to_mark_elem = 0; | |
| 2691 | |
| 2692 /* If a cons is already marked, then its car is already marked | |
| 2693 (either because of an external pointer or because of | |
| 2694 a previous call to this function), and likewise for all | |
| 2695 the rest of the elements in the list, so we can stop now. */ | |
| 2696 if (marked_p (rest2)) | |
| 2697 break; | |
| 2698 | |
| 2699 elem = XCAR (rest2); | |
| 2700 | |
| 2701 switch (type) | |
| 2702 { | |
| 2703 case WEAK_LIST_SIMPLE: | |
| 2704 if (marked_p (elem)) | |
| 2705 need_to_mark_cons = 1; | |
| 2706 break; | |
| 2707 | |
| 2708 case WEAK_LIST_ASSOC: | |
| 2709 if (!CONSP (elem)) | |
| 2710 { | |
| 2711 /* just leave bogus elements there */ | |
| 2712 need_to_mark_cons = 1; | |
| 2713 need_to_mark_elem = 1; | |
| 2714 } | |
| 2715 else if (marked_p (XCAR (elem)) && | |
| 2716 marked_p (XCDR (elem))) | |
| 2717 { | |
| 2718 need_to_mark_cons = 1; | |
| 2719 /* We still need to mark elem, because it's | |
| 2720 probably not marked. */ | |
| 2721 need_to_mark_elem = 1; | |
| 2722 } | |
| 2723 break; | |
| 2724 | |
| 2725 case WEAK_LIST_KEY_ASSOC: | |
| 2726 if (!CONSP (elem)) | |
| 2727 { | |
| 2728 /* just leave bogus elements there */ | |
| 2729 need_to_mark_cons = 1; | |
| 2730 need_to_mark_elem = 1; | |
| 2731 } | |
| 2732 else if (marked_p (XCAR (elem))) | |
| 2733 { | |
| 2734 need_to_mark_cons = 1; | |
| 2735 /* We still need to mark elem and XCDR (elem); | |
| 2736 marking elem does both */ | |
| 2737 need_to_mark_elem = 1; | |
| 2738 } | |
| 2739 break; | |
| 2740 | |
| 2741 case WEAK_LIST_VALUE_ASSOC: | |
| 2742 if (!CONSP (elem)) | |
| 2743 { | |
| 2744 /* just leave bogus elements there */ | |
| 2745 need_to_mark_cons = 1; | |
| 2746 need_to_mark_elem = 1; | |
| 2747 } | |
| 2748 else if (marked_p (XCDR (elem))) | |
| 2749 { | |
| 2750 need_to_mark_cons = 1; | |
| 2751 /* We still need to mark elem and XCAR (elem); | |
| 2752 marking elem does both */ | |
| 2753 need_to_mark_elem = 1; | |
| 2754 } | |
| 2755 break; | |
| 2756 | |
| 442 | 2757 case WEAK_LIST_FULL_ASSOC: |
| 2758 if (!CONSP (elem)) | |
| 2759 { | |
| 2760 /* just leave bogus elements there */ | |
| 2761 need_to_mark_cons = 1; | |
| 2762 need_to_mark_elem = 1; | |
| 2763 } | |
| 2764 else if (marked_p (XCAR (elem)) || | |
| 2765 marked_p (XCDR (elem))) | |
| 2766 { | |
| 2767 need_to_mark_cons = 1; | |
| 2768 /* We still need to mark elem and XCAR (elem); | |
| 2769 marking elem does both */ | |
| 2770 need_to_mark_elem = 1; | |
| 2771 } | |
| 2772 break; | |
| 2773 | |
| 428 | 2774 default: |
| 2500 | 2775 ABORT (); |
| 428 | 2776 } |
| 2777 | |
| 2778 if (need_to_mark_elem && ! marked_p (elem)) | |
| 2779 { | |
| 1598 | 2780 #ifdef USE_KKCC |
|
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5142
diff
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|
2781 kkcc_gc_stack_push_lisp_object_0 (elem); |
| 1598 | 2782 #else /* NOT USE_KKCC */ |
| 428 | 2783 mark_object (elem); |
| 1598 | 2784 #endif /* NOT USE_KKCC */ |
| 428 | 2785 did_mark = 1; |
| 2786 } | |
| 2787 | |
| 2788 /* We also need to mark the cons that holds the elem or | |
| 2789 assoc-pair. We do *not* want to call (mark_object) here | |
| 2790 because that will mark the entire list; we just want to | |
| 2791 mark the cons itself. | |
| 2792 */ | |
| 2793 if (need_to_mark_cons) | |
| 2794 { | |
| 2795 Lisp_Cons *c = XCONS (rest2); | |
| 2796 if (!CONS_MARKED_P (c)) | |
| 2797 { | |
| 2798 MARK_CONS (c); | |
| 2799 did_mark = 1; | |
| 2800 } | |
| 2801 } | |
| 2802 } | |
| 2803 | |
| 2804 /* In case of imperfect list, need to mark the final cons | |
| 2805 because we're not removing it */ | |
| 2806 if (!NILP (rest2) && ! marked_p (rest2)) | |
| 2807 { | |
| 1598 | 2808 #ifdef USE_KKCC |
|
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diff
changeset
|
2809 kkcc_gc_stack_push_lisp_object_0 (rest2); |
| 1598 | 2810 #else /* NOT USE_KKCC */ |
| 428 | 2811 mark_object (rest2); |
| 1598 | 2812 #endif /* NOT USE_KKCC */ |
| 428 | 2813 did_mark = 1; |
| 2814 } | |
| 2815 } | |
| 2816 | |
| 2817 return did_mark; | |
| 2818 } | |
| 2819 | |
| 2820 void | |
| 2821 prune_weak_lists (void) | |
| 2822 { | |
| 2823 Lisp_Object rest, prev = Qnil; | |
| 2824 | |
| 2825 for (rest = Vall_weak_lists; | |
| 2826 !NILP (rest); | |
| 2827 rest = XWEAK_LIST (rest)->next_weak) | |
| 2828 { | |
| 2829 if (! (marked_p (rest))) | |
| 2830 { | |
| 2831 /* This weak list itself is garbage. Remove it from the list. */ | |
| 2832 if (NILP (prev)) | |
| 2833 Vall_weak_lists = XWEAK_LIST (rest)->next_weak; | |
| 2834 else | |
| 2835 XWEAK_LIST (prev)->next_weak = | |
| 2836 XWEAK_LIST (rest)->next_weak; | |
| 2837 } | |
| 2838 else | |
| 2839 { | |
| 2840 Lisp_Object rest2, prev2 = Qnil; | |
| 2841 Lisp_Object tortoise; | |
| 2842 int go_tortoise = 0; | |
| 2843 | |
| 2844 for (rest2 = XWEAK_LIST (rest)->list, tortoise = rest2; | |
| 2845 /* We need to be trickier since we're inside of GC; | |
| 2846 use CONSP instead of !NILP in case of user-visible | |
| 2847 imperfect lists */ | |
| 2848 CONSP (rest2);) | |
| 2849 { | |
| 2850 /* It suffices to check the cons for marking, | |
| 2851 regardless of the type of weak list: | |
| 2852 | |
| 2853 -- if the cons is pointed to somewhere else, | |
| 2854 then it should stay around and will be marked. | |
| 2855 -- otherwise, if it should stay around, it will | |
| 2856 have been marked in finish_marking_weak_lists(). | |
| 2857 -- otherwise, it's not marked and should disappear. | |
| 2858 */ | |
| 2859 if (! marked_p (rest2)) | |
| 2860 { | |
| 2861 /* bye bye :-( */ | |
| 2862 if (NILP (prev2)) | |
| 2863 XWEAK_LIST (rest)->list = XCDR (rest2); | |
| 2864 else | |
| 2865 XCDR (prev2) = XCDR (rest2); | |
| 2866 rest2 = XCDR (rest2); | |
| 2867 /* Ouch. Circularity checking is even trickier | |
| 2868 than I thought. When we cut out a link | |
| 2869 like this, we can't advance the turtle or | |
| 2870 it'll catch up to us. Imagine that we're | |
| 2871 standing on floor tiles and moving forward -- | |
| 2872 what we just did here is as if the floor | |
| 2873 tile under us just disappeared and all the | |
| 2874 ones ahead of us slid one tile towards us. | |
| 2875 In other words, we didn't move at all; | |
| 2876 if the tortoise was one step behind us | |
| 2877 previously, it still is, and therefore | |
| 2878 it must not move. */ | |
| 2879 } | |
| 2880 else | |
| 2881 { | |
| 2882 prev2 = rest2; | |
| 2883 | |
| 2884 /* Implementing circularity checking is trickier here | |
| 2885 than in other places because we have to guarantee | |
| 2886 that we've processed all elements before exiting | |
| 2887 due to a circularity. (In most places, an error | |
| 2888 is issued upon encountering a circularity, so it | |
| 2889 doesn't really matter if all elements are processed.) | |
| 2890 The idea is that we process along with the hare | |
| 2891 rather than the tortoise. If at any point in | |
| 2892 our forward process we encounter the tortoise, | |
| 2893 we must have already visited the spot, so we exit. | |
| 2894 (If we process with the tortoise, we can fail to | |
| 2895 process cases where a cons points to itself, or | |
| 2896 where cons A points to cons B, which points to | |
| 2897 cons A.) */ | |
| 2898 | |
| 2899 rest2 = XCDR (rest2); | |
| 2900 if (go_tortoise) | |
| 2901 tortoise = XCDR (tortoise); | |
| 2902 go_tortoise = !go_tortoise; | |
| 2903 if (EQ (rest2, tortoise)) | |
| 2904 break; | |
| 2905 } | |
| 2906 } | |
| 2907 | |
| 2908 prev = rest; | |
| 2909 } | |
| 2910 } | |
| 2911 } | |
| 2912 | |
| 2913 static enum weak_list_type | |
| 2914 decode_weak_list_type (Lisp_Object symbol) | |
| 2915 { | |
| 2916 CHECK_SYMBOL (symbol); | |
| 2917 if (EQ (symbol, Qsimple)) return WEAK_LIST_SIMPLE; | |
| 2918 if (EQ (symbol, Qassoc)) return WEAK_LIST_ASSOC; | |
| 2919 if (EQ (symbol, Qold_assoc)) return WEAK_LIST_ASSOC; /* EBOLA ALERT! */ | |
| 2920 if (EQ (symbol, Qkey_assoc)) return WEAK_LIST_KEY_ASSOC; | |
| 2921 if (EQ (symbol, Qvalue_assoc)) return WEAK_LIST_VALUE_ASSOC; | |
| 442 | 2922 if (EQ (symbol, Qfull_assoc)) return WEAK_LIST_FULL_ASSOC; |
| 428 | 2923 |
| 563 | 2924 invalid_constant ("Invalid weak list type", symbol); |
| 1204 | 2925 RETURN_NOT_REACHED (WEAK_LIST_SIMPLE); |
| 428 | 2926 } |
| 2927 | |
| 2928 static Lisp_Object | |
| 2929 encode_weak_list_type (enum weak_list_type type) | |
| 2930 { | |
| 2931 switch (type) | |
| 2932 { | |
| 2933 case WEAK_LIST_SIMPLE: return Qsimple; | |
| 2934 case WEAK_LIST_ASSOC: return Qassoc; | |
| 2935 case WEAK_LIST_KEY_ASSOC: return Qkey_assoc; | |
| 2936 case WEAK_LIST_VALUE_ASSOC: return Qvalue_assoc; | |
| 442 | 2937 case WEAK_LIST_FULL_ASSOC: return Qfull_assoc; |
| 428 | 2938 default: |
| 2500 | 2939 ABORT (); |
| 428 | 2940 } |
| 2941 | |
| 801 | 2942 return Qnil; /* not (usually) reached */ |
| 428 | 2943 } |
| 2944 | |
| 2945 DEFUN ("weak-list-p", Fweak_list_p, 1, 1, 0, /* | |
| 2946 Return non-nil if OBJECT is a weak list. | |
| 2947 */ | |
| 2948 (object)) | |
| 2949 { | |
| 2950 return WEAK_LISTP (object) ? Qt : Qnil; | |
| 2951 } | |
| 2952 | |
| 2953 DEFUN ("make-weak-list", Fmake_weak_list, 0, 1, 0, /* | |
| 2954 Return a new weak list object of type TYPE. | |
| 2955 A weak list object is an object that contains a list. This list behaves | |
| 2956 like any other list except that its elements do not count towards | |
| 456 | 2957 garbage collection -- if the only pointer to an object is inside a weak |
| 428 | 2958 list (other than pointers in similar objects such as weak hash tables), |
| 2959 the object is garbage collected and automatically removed from the list. | |
| 2960 This is used internally, for example, to manage the list holding the | |
| 2961 children of an extent -- an extent that is unused but has a parent will | |
| 2962 still be reclaimed, and will automatically be removed from its parent's | |
| 2963 list of children. | |
| 2964 | |
| 2965 Optional argument TYPE specifies the type of the weak list, and defaults | |
| 2966 to `simple'. Recognized types are | |
| 2967 | |
| 2968 `simple' Objects in the list disappear if not pointed to. | |
| 2969 `assoc' Objects in the list disappear if they are conses | |
| 2970 and either the car or the cdr of the cons is not | |
| 2971 pointed to. | |
| 2972 `key-assoc' Objects in the list disappear if they are conses | |
| 2973 and the car is not pointed to. | |
| 2974 `value-assoc' Objects in the list disappear if they are conses | |
| 2975 and the cdr is not pointed to. | |
| 442 | 2976 `full-assoc' Objects in the list disappear if they are conses |
| 2977 and neither the car nor the cdr is pointed to. | |
| 428 | 2978 */ |
| 2979 (type)) | |
| 2980 { | |
| 2981 if (NILP (type)) | |
| 2982 type = Qsimple; | |
| 2983 | |
| 2984 return make_weak_list (decode_weak_list_type (type)); | |
| 2985 } | |
| 2986 | |
| 2987 DEFUN ("weak-list-type", Fweak_list_type, 1, 1, 0, /* | |
| 2988 Return the type of the given weak-list object. | |
| 2989 */ | |
| 2990 (weak)) | |
| 2991 { | |
| 2992 CHECK_WEAK_LIST (weak); | |
| 2993 return encode_weak_list_type (XWEAK_LIST (weak)->type); | |
| 2994 } | |
| 2995 | |
| 2996 DEFUN ("weak-list-list", Fweak_list_list, 1, 1, 0, /* | |
| 2997 Return the list contained in a weak-list object. | |
| 2998 */ | |
| 2999 (weak)) | |
| 3000 { | |
| 3001 CHECK_WEAK_LIST (weak); | |
| 3002 return XWEAK_LIST_LIST (weak); | |
| 3003 } | |
| 3004 | |
| 3005 DEFUN ("set-weak-list-list", Fset_weak_list_list, 2, 2, 0, /* | |
| 3006 Change the list contained in a weak-list object. | |
| 3007 */ | |
| 3008 (weak, new_list)) | |
| 3009 { | |
| 3010 CHECK_WEAK_LIST (weak); | |
| 3011 XWEAK_LIST_LIST (weak) = new_list; | |
| 3012 return new_list; | |
| 3013 } | |
| 3014 | |
| 888 | 3015 |
| 858 | 3016 /************************************************************************/ |
| 3017 /* weak boxes */ | |
| 3018 /************************************************************************/ | |
| 3019 | |
| 3020 static Lisp_Object Vall_weak_boxes; /* Gemarke es niemals ever!!! */ | |
| 3021 | |
| 3022 void | |
| 3023 prune_weak_boxes (void) | |
| 3024 { | |
| 3025 Lisp_Object rest, prev = Qnil; | |
| 888 | 3026 int removep = 0; |
| 858 | 3027 |
| 3028 for (rest = Vall_weak_boxes; | |
| 3029 !NILP(rest); | |
| 3030 rest = XWEAK_BOX (rest)->next_weak_box) | |
| 3031 { | |
| 3032 if (! (marked_p (rest))) | |
| 888 | 3033 /* This weak box itself is garbage. */ |
| 3034 removep = 1; | |
| 3035 | |
| 3036 if (! marked_p (XWEAK_BOX (rest)->value)) | |
| 3037 { | |
| 3038 XSET_WEAK_BOX (rest, Qnil); | |
| 3039 removep = 1; | |
| 3040 } | |
| 3041 | |
| 3042 if (removep) | |
| 3043 { | |
| 3044 /* Remove weak box from list. */ | |
| 3045 if (NILP (prev)) | |
| 3046 Vall_weak_boxes = XWEAK_BOX (rest)->next_weak_box; | |
| 3047 else | |
| 3048 XWEAK_BOX (prev)->next_weak_box = XWEAK_BOX (rest)->next_weak_box; | |
| 3049 removep = 0; | |
| 3050 } | |
| 3051 else | |
| 3052 prev = rest; | |
| 858 | 3053 } |
| 3054 } | |
| 3055 | |
| 3056 static Lisp_Object | |
| 2286 | 3057 mark_weak_box (Lisp_Object UNUSED (obj)) |
| 858 | 3058 { |
| 3059 return Qnil; | |
| 3060 } | |
| 3061 | |
| 3062 static void | |
|
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|
3063 print_weak_box (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) |
| 858 | 3064 { |
| 3065 if (print_readably) | |
|
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|
3066 { |
|
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|
3067 printing_unreadable_lisp_object (obj, 0); |
|
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|
3068 } |
|
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|
3069 |
|
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|
3070 write_ascstring (printcharfun, "#<weak-box "); |
|
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|
3071 print_internal (XWEAK_BOX (obj)->value, printcharfun, escapeflag); |
|
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parents:
5307
diff
changeset
|
3072 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 858 | 3073 } |
| 3074 | |
| 3075 static int | |
|
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6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3076 weak_box_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 858 | 3077 { |
| 888 | 3078 struct weak_box *wb1 = XWEAK_BOX (obj1); |
| 3079 struct weak_box *wb2 = XWEAK_BOX (obj2); | |
| 858 | 3080 |
|
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
3081 return (internal_equal_0 (wb1->value, wb2->value, depth + 1, foldcase)); |
| 858 | 3082 } |
| 3083 | |
| 3084 static Hashcode | |
|
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|
3085 weak_box_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 858 | 3086 { |
| 888 | 3087 struct weak_box *wb = XWEAK_BOX (obj); |
| 858 | 3088 |
|
5191
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
3089 return internal_hash (wb->value, depth + 1, equalp); |
| 858 | 3090 } |
| 3091 | |
| 3092 Lisp_Object | |
| 3093 make_weak_box (Lisp_Object value) | |
| 3094 { | |
|
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changeset
|
3095 Lisp_Object result = ALLOC_NORMAL_LISP_OBJECT (weak_box); |
|
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Checking in final CVS version of workspace 'ben-lisp-object'
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|
3096 struct weak_box *wb = XWEAK_BOX (result); |
| 858 | 3097 |
| 3098 wb->value = value; | |
| 3099 result = wrap_weak_box (wb); | |
| 3100 wb->next_weak_box = Vall_weak_boxes; | |
| 3101 Vall_weak_boxes = result; | |
| 3102 return result; | |
| 3103 } | |
| 3104 | |
| 1204 | 3105 static const struct memory_description weak_box_description[] = { |
| 858 | 3106 { XD_LO_LINK, offsetof (struct weak_box, value) }, |
| 888 | 3107 { XD_END} |
| 858 | 3108 }; |
| 3109 | |
|
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e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3110 DEFINE_NODUMP_LISP_OBJECT ("weak-box", weak_box, mark_weak_box, |
|
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separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
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|
3111 print_weak_box, 0, weak_box_equal, |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
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changeset
|
3112 weak_box_hash, weak_box_description, |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
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diff
changeset
|
3113 struct weak_box); |
| 858 | 3114 |
| 3115 DEFUN ("make-weak-box", Fmake_weak_box, 1, 1, 0, /* | |
| 3116 Return a new weak box from value CONTENTS. | |
| 3117 The weak box is a reference to CONTENTS which may be extracted with | |
| 3118 `weak-box-ref'. However, the weak box does not contribute to the | |
| 3119 reachability of CONTENTS. When CONTENTS is garbage-collected, | |
| 3120 `weak-box-ref' will return NIL. | |
| 3121 */ | |
| 3122 (value)) | |
| 3123 { | |
|
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Improve coding style, variable names, data.c, sequence.c
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changeset
|
3124 return make_weak_box (value); |
| 858 | 3125 } |
| 3126 | |
| 3127 DEFUN ("weak-box-ref", Fweak_box_ref, 1, 1, 0, /* | |
| 3128 Return the contents of weak box WEAK-BOX. | |
| 3129 If the contents have been GCed, return NIL. | |
| 3130 */ | |
|
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Improve coding style, variable names, data.c, sequence.c
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|
3131 (weak_box)) |
| 858 | 3132 { |
|
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Improve coding style, variable names, data.c, sequence.c
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diff
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|
3133 return XWEAK_BOX (weak_box)->value; |
| 858 | 3134 } |
| 3135 | |
| 3136 DEFUN ("weak-box-p", Fweak_boxp, 1, 1, 0, /* | |
| 3137 Return non-nil if OBJECT is a weak box. | |
| 3138 */ | |
| 3139 (object)) | |
| 3140 { | |
| 3141 return WEAK_BOXP (object) ? Qt : Qnil; | |
| 3142 } | |
| 3143 | |
| 888 | 3144 /************************************************************************/ |
| 3145 /* ephemerons */ | |
| 3146 /************************************************************************/ | |
| 3147 | |
| 993 | 3148 /* The concept of ephemerons is due to: |
| 3149 * Barry Hayes: Ephemerons: A New Finalization Mechanism. OOPSLA 1997: 176-183 | |
| 3150 * The original idea is due to George Bosworth of Digitalk, Inc. | |
| 3151 * | |
| 3152 * For a discussion of finalization and weakness that also reviews | |
| 3153 * ephemerons, refer to: | |
| 3154 * Simon Peyton Jones, Simon Marlow, Conal Elliot: | |
| 3155 * Stretching the storage manager | |
| 3156 * Implementation of Functional Languages, 1999 | |
| 3157 */ | |
| 3158 | |
| 888 | 3159 static Lisp_Object Vall_ephemerons; /* Gemarke es niemals ever!!! */ |
| 1590 | 3160 static Lisp_Object Vnew_all_ephemerons; |
| 888 | 3161 static Lisp_Object Vfinalize_list; |
| 3162 | |
| 1590 | 3163 void |
|
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Improve coding style, variable names, data.c, sequence.c
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diff
changeset
|
3164 init_marking_ephemerons (void) |
| 1590 | 3165 { |
| 3166 Vnew_all_ephemerons = Qnil; | |
| 3167 } | |
| 3168 | |
| 3169 /* Move all live ephemerons with live keys over to | |
| 3170 * Vnew_all_ephemerons, marking the values and finalizers along the | |
| 3171 * way. */ | |
| 3172 | |
| 3173 int | |
|
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Improve coding style, variable names, data.c, sequence.c
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changeset
|
3174 continue_marking_ephemerons (void) |
| 1590 | 3175 { |
| 3176 Lisp_Object rest = Vall_ephemerons, next, prev = Qnil; | |
| 3177 int did_mark = 0; | |
| 3178 | |
| 3179 while (!NILP (rest)) | |
| 3180 { | |
| 3181 next = XEPHEMERON_NEXT (rest); | |
| 3182 | |
| 3183 if (marked_p (rest)) | |
| 3184 { | |
| 3185 MARK_CONS (XCONS (XEPHEMERON (rest)->cons_chain)); | |
| 3186 if (marked_p (XEPHEMERON (rest)->key)) | |
| 3187 { | |
| 1598 | 3188 #ifdef USE_KKCC |
|
5169
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cleanup of code related to xfree(), better KKCC backtrace capabilities, document XD_INLINE_LISP_OBJECT_BLOCK_PTR, fix some memory leaks, other code cleanup
Ben Wing <ben@xemacs.org>
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5142
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changeset
|
3189 kkcc_gc_stack_push_lisp_object_0 |
|
6c6d78781d59
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Ben Wing <ben@xemacs.org>
parents:
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diff
changeset
|
3190 (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3191 #else /* NOT USE_KKCC */ |
| 1590 | 3192 mark_object (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3193 #endif /* NOT USE_KKCC */ |
| 1590 | 3194 did_mark = 1; |
| 3195 XSET_EPHEMERON_NEXT (rest, Vnew_all_ephemerons); | |
| 3196 Vnew_all_ephemerons = rest; | |
| 3197 if (NILP (prev)) | |
| 3198 Vall_ephemerons = next; | |
| 3199 else | |
| 3200 XSET_EPHEMERON_NEXT (prev, next); | |
| 3201 } | |
| 3202 else | |
| 3203 prev = rest; | |
| 3204 } | |
| 3205 else | |
| 3206 prev = rest; | |
| 3207 | |
| 3208 rest = next; | |
| 3209 } | |
| 3210 | |
| 3211 return did_mark; | |
| 3212 } | |
| 3213 | |
| 3214 /* At this point, everything that's in Vall_ephemerons is dead. | |
| 3215 * Well, almost: we still need to run the finalizers, so we need to | |
| 3216 * resurrect them. | |
| 3217 */ | |
| 3218 | |
| 888 | 3219 int |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
3220 finish_marking_ephemerons (void) |
| 888 | 3221 { |
| 1590 | 3222 Lisp_Object rest = Vall_ephemerons, next, prev = Qnil; |
| 888 | 3223 int did_mark = 0; |
| 3224 | |
| 3225 while (! NILP (rest)) | |
| 3226 { | |
| 3227 next = XEPHEMERON_NEXT (rest); | |
| 3228 | |
| 3229 if (marked_p (rest)) | |
| 1590 | 3230 /* The ephemeron itself is live, but its key is garbage */ |
| 888 | 3231 { |
| 1590 | 3232 /* tombstone */ |
| 3233 XSET_EPHEMERON_VALUE (rest, Qnil); | |
| 3234 | |
| 3235 if (! NILP (XEPHEMERON_FINALIZER (rest))) | |
| 888 | 3236 { |
| 1590 | 3237 MARK_CONS (XCONS (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3238 #ifdef USE_KKCC |
|
5169
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parents:
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changeset
|
3239 kkcc_gc_stack_push_lisp_object_0 |
|
6c6d78781d59
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Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
3240 (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3241 #else /* NOT USE_KKCC */ |
| 1590 | 3242 mark_object (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3243 #endif /* NOT USE_KKCC */ |
| 1590 | 3244 |
| 3245 /* Register the finalizer */ | |
| 3246 XSET_EPHEMERON_NEXT (rest, Vfinalize_list); | |
| 3247 Vfinalize_list = XEPHEMERON (rest)->cons_chain; | |
| 3248 did_mark = 1; | |
| 888 | 3249 } |
| 3250 | |
| 3251 /* Remove it from the list. */ | |
| 3252 if (NILP (prev)) | |
| 3253 Vall_ephemerons = next; | |
| 3254 else | |
| 3255 XSET_EPHEMERON_NEXT (prev, next); | |
| 3256 } | |
| 3257 else | |
| 3258 prev = rest; | |
| 3259 | |
| 3260 rest = next; | |
| 3261 } | |
| 1590 | 3262 |
| 3263 return did_mark; | |
| 3264 } | |
| 3265 | |
| 3266 void | |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3267 prune_ephemerons (void) |
| 1590 | 3268 { |
| 3269 Vall_ephemerons = Vnew_all_ephemerons; | |
| 888 | 3270 } |
| 3271 | |
| 3272 Lisp_Object | |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
3273 zap_finalize_list (void) |
| 888 | 3274 { |
| 3275 Lisp_Object finalizers = Vfinalize_list; | |
| 3276 | |
| 3277 Vfinalize_list = Qnil; | |
| 3278 | |
| 3279 return finalizers; | |
| 3280 } | |
| 3281 | |
| 3282 static Lisp_Object | |
| 2286 | 3283 mark_ephemeron (Lisp_Object UNUSED (obj)) |
| 888 | 3284 { |
| 3285 return Qnil; | |
| 3286 } | |
| 3287 | |
| 3288 static void | |
|
5325
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3289 print_ephemeron (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) |
| 888 | 3290 { |
| 3291 if (print_readably) | |
|
5325
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Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3292 { |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3293 printing_unreadable_lisp_object (obj, 0); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3294 } |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3295 |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3296 write_ascstring (printcharfun, "#<ephemeron :key "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3297 print_internal (XEPHEMERON (obj)->key, printcharfun, escapeflag); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3298 write_ascstring (printcharfun, " :value "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3299 print_internal (XEPHEMERON (obj)->value, printcharfun, escapeflag); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3300 write_ascstring (printcharfun, " :finalizer "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3301 print_internal (XEPHEMERON_FINALIZER (obj), printcharfun, escapeflag); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5307
diff
changeset
|
3302 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 888 | 3303 } |
| 3304 | |
| 3305 static int | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3306 ephemeron_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 888 | 3307 { |
| 3308 return | |
|
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Improve coding style, variable names, data.c, sequence.c
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5736
diff
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|
3309 internal_equal_0 (XEPHEMERON_REF (obj1), XEPHEMERON_REF (obj2), |
|
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
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diff
changeset
|
3310 depth + 1, foldcase); |
| 888 | 3311 } |
| 3312 | |
| 3313 static Hashcode | |
|
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
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|
3314 ephemeron_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 888 | 3315 { |
|
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Add #'equalp as a hash test by default; add #'define-hash-table-test, GNU API
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3316 return internal_hash (XEPHEMERON_REF (obj), depth + 1, equalp); |
| 888 | 3317 } |
| 3318 | |
| 3319 Lisp_Object | |
|
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|
3320 make_ephemeron (Lisp_Object key, Lisp_Object value, Lisp_Object finalizer) |
| 888 | 3321 { |
|
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Checking in final CVS version of workspace 'ben-lisp-object'
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|
3322 Lisp_Object temp = Qnil; |
| 888 | 3323 struct gcpro gcpro1, gcpro2; |
|
5127
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|
3324 Lisp_Object result = ALLOC_NORMAL_LISP_OBJECT (ephemeron); |
|
5117
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|
3325 struct ephemeron *eph = XEPHEMERON (result); |
| 888 | 3326 |
| 3327 eph->key = Qnil; | |
| 3328 eph->cons_chain = Qnil; | |
| 3329 eph->value = Qnil; | |
| 3330 | |
|
5117
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parents:
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changeset
|
3331 result = wrap_ephemeron (eph); |
| 888 | 3332 GCPRO2 (result, temp); |
| 3333 | |
| 3334 eph->key = key; | |
|
5117
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|
3335 temp = Fcons (value, finalizer); |
|
3742ea8250b5
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|
3336 eph->cons_chain = Fcons (temp, Vall_ephemerons); |
| 888 | 3337 eph->value = value; |
| 3338 | |
| 3339 Vall_ephemerons = result; | |
| 3340 | |
| 3341 UNGCPRO; | |
| 3342 return result; | |
| 3343 } | |
| 3344 | |
| 1598 | 3345 /* Ephemerons are special cases in the KKCC mark algorithm, so nothing |
| 3346 is marked here. */ | |
| 1204 | 3347 static const struct memory_description ephemeron_description[] = { |
|
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|
3348 { XD_LISP_OBJECT, offsetof (struct ephemeron, key), |
| 2551 | 3349 0, { 0 }, XD_FLAG_NO_KKCC }, |
|
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|
3350 { XD_LISP_OBJECT, offsetof (struct ephemeron, cons_chain), |
| 2551 | 3351 0, { 0 }, XD_FLAG_NO_KKCC }, |
|
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|
3352 { XD_LISP_OBJECT, offsetof (struct ephemeron, value), |
| 2551 | 3353 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 888 | 3354 { XD_END } |
| 3355 }; | |
| 3356 | |
|
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|
3357 DEFINE_NODUMP_LISP_OBJECT ("ephemeron", ephemeron, |
|
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|
3358 mark_ephemeron, print_ephemeron, |
|
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|
3359 0, ephemeron_equal, ephemeron_hash, |
|
623d57b7fbe8
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|
3360 ephemeron_description, |
|
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|
3361 struct ephemeron); |
| 888 | 3362 |
| 3363 DEFUN ("make-ephemeron", Fmake_ephemeron, 2, 3, 0, /* | |
| 1590 | 3364 Return a new ephemeron with key KEY, value VALUE, and finalizer FINALIZER. |
| 3365 The ephemeron is a reference to VALUE which may be extracted with | |
| 3366 `ephemeron-ref'. VALUE is only reachable through the ephemeron as | |
| 888 | 3367 long as KEY is reachable; the ephemeron does not contribute to the |
| 3368 reachability of KEY. When KEY becomes unreachable while the ephemeron | |
| 1590 | 3369 itself is still reachable, VALUE is queued for finalization: FINALIZER |
| 3370 will possibly be called on VALUE some time in the future. Moreover, | |
| 888 | 3371 future calls to `ephemeron-ref' will return NIL. |
| 3372 */ | |
| 3373 (key, value, finalizer)) | |
| 3374 { | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3375 return make_ephemeron (key, value, finalizer); |
| 888 | 3376 } |
| 3377 | |
| 3378 DEFUN ("ephemeron-ref", Fephemeron_ref, 1, 1, 0, /* | |
| 3379 Return the contents of ephemeron EPHEMERON. | |
| 3380 If the contents have been GCed, return NIL. | |
| 3381 */ | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3382 (ephemeron)) |
| 888 | 3383 { |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3384 return XEPHEMERON_REF (ephemeron); |
| 888 | 3385 } |
| 3386 | |
| 3387 DEFUN ("ephemeron-p", Fephemeronp, 1, 1, 0, /* | |
| 3388 Return non-nil if OBJECT is an ephemeron. | |
| 3389 */ | |
| 3390 (object)) | |
| 3391 { | |
| 3392 return EPHEMERONP (object) ? Qt : Qnil; | |
| 3393 } | |
| 428 | 3394 |
| 3395 /************************************************************************/ | |
| 3396 /* initialization */ | |
| 3397 /************************************************************************/ | |
| 3398 | |
| 3399 static SIGTYPE | |
| 3400 arith_error (int signo) | |
| 3401 { | |
| 3402 EMACS_REESTABLISH_SIGNAL (signo, arith_error); | |
| 3403 EMACS_UNBLOCK_SIGNAL (signo); | |
| 563 | 3404 signal_error (Qarith_error, 0, Qunbound); |
| 428 | 3405 } |
| 3406 | |
| 3407 void | |
| 3408 init_data_very_early (void) | |
| 3409 { | |
| 3410 /* Don't do this if just dumping out. | |
| 3411 We don't want to call `signal' in this case | |
| 3412 so that we don't have trouble with dumping | |
| 3413 signal-delivering routines in an inconsistent state. */ | |
| 3414 if (!initialized) | |
| 3415 return; | |
| 613 | 3416 EMACS_SIGNAL (SIGFPE, arith_error); |
| 428 | 3417 #ifdef uts |
| 613 | 3418 EMACS_SIGNAL (SIGEMT, arith_error); |
| 428 | 3419 #endif /* uts */ |
| 3420 } | |
| 3421 | |
| 3422 void | |
| 3423 init_errors_once_early (void) | |
| 3424 { | |
| 442 | 3425 DEFSYMBOL (Qerror_conditions); |
| 3426 DEFSYMBOL (Qerror_message); | |
| 428 | 3427 |
| 3428 /* We declare the errors here because some other deferrors depend | |
| 3429 on some of the errors below. */ | |
| 3430 | |
| 3431 /* ERROR is used as a signaler for random errors for which nothing | |
| 3432 else is right */ | |
| 3433 | |
| 442 | 3434 DEFERROR (Qerror, "error", Qnil); |
| 3435 DEFERROR_STANDARD (Qquit, Qnil); | |
| 428 | 3436 |
| 563 | 3437 DEFERROR_STANDARD (Qinvalid_argument, Qerror); |
| 3438 | |
| 3439 DEFERROR_STANDARD (Qsyntax_error, Qinvalid_argument); | |
| 442 | 3440 DEFERROR_STANDARD (Qinvalid_read_syntax, Qsyntax_error); |
| 563 | 3441 DEFERROR_STANDARD (Qstructure_formation_error, Qsyntax_error); |
| 3442 DEFERROR_STANDARD (Qlist_formation_error, Qstructure_formation_error); | |
| 442 | 3443 DEFERROR_STANDARD (Qmalformed_list, Qlist_formation_error); |
| 3444 DEFERROR_STANDARD (Qmalformed_property_list, Qmalformed_list); | |
| 3445 DEFERROR_STANDARD (Qcircular_list, Qlist_formation_error); | |
| 3446 DEFERROR_STANDARD (Qcircular_property_list, Qcircular_list); | |
| 428 | 3447 |
| 442 | 3448 DEFERROR_STANDARD (Qwrong_type_argument, Qinvalid_argument); |
| 3449 DEFERROR_STANDARD (Qargs_out_of_range, Qinvalid_argument); | |
| 3450 DEFERROR_STANDARD (Qwrong_number_of_arguments, Qinvalid_argument); | |
| 3451 DEFERROR_STANDARD (Qinvalid_function, Qinvalid_argument); | |
| 563 | 3452 DEFERROR_STANDARD (Qinvalid_constant, Qinvalid_argument); |
|
5084
6afe991b8135
Add a PARSE_KEYWORDS macro, use it in #'make-hash-table.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4998
diff
changeset
|
3453 DEFERROR_STANDARD (Qinvalid_keyword_argument, Qinvalid_argument); |
| 442 | 3454 DEFERROR (Qno_catch, "No catch for tag", Qinvalid_argument); |
| 3455 | |
| 563 | 3456 DEFERROR_STANDARD (Qinvalid_state, Qerror); |
| 442 | 3457 DEFERROR (Qvoid_function, "Symbol's function definition is void", |
| 3458 Qinvalid_state); | |
| 3459 DEFERROR (Qcyclic_function_indirection, | |
| 3460 "Symbol's chain of function indirections contains a loop", | |
| 3461 Qinvalid_state); | |
| 3462 DEFERROR (Qvoid_variable, "Symbol's value as variable is void", | |
| 3463 Qinvalid_state); | |
| 3464 DEFERROR (Qcyclic_variable_indirection, | |
| 3465 "Symbol's chain of variable indirections contains a loop", | |
| 3466 Qinvalid_state); | |
| 563 | 3467 DEFERROR_STANDARD (Qstack_overflow, Qinvalid_state); |
| 3468 DEFERROR_STANDARD (Qinternal_error, Qinvalid_state); | |
| 3469 DEFERROR_STANDARD (Qout_of_memory, Qinvalid_state); | |
| 428 | 3470 |
| 563 | 3471 DEFERROR_STANDARD (Qinvalid_operation, Qerror); |
| 3472 DEFERROR_STANDARD (Qinvalid_change, Qinvalid_operation); | |
| 442 | 3473 DEFERROR (Qsetting_constant, "Attempt to set a constant symbol", |
| 3474 Qinvalid_change); | |
| 563 | 3475 DEFERROR_STANDARD (Qprinting_unreadable_object, Qinvalid_operation); |
| 3476 DEFERROR (Qunimplemented, "Feature not yet implemented", Qinvalid_operation); | |
| 442 | 3477 |
| 563 | 3478 DEFERROR_STANDARD (Qediting_error, Qinvalid_operation); |
| 442 | 3479 DEFERROR_STANDARD (Qbeginning_of_buffer, Qediting_error); |
| 3480 DEFERROR_STANDARD (Qend_of_buffer, Qediting_error); | |
| 3481 DEFERROR (Qbuffer_read_only, "Buffer is read-only", Qediting_error); | |
|
5381
4f39e57a82b4
Improve read-only error reporting.
Didier Verna <didier@lrde.epita.fr>
parents:
5374
diff
changeset
|
3482 DEFERROR (Qextent_read_only, "Extent is read-only", Qediting_error); |
| 442 | 3483 |
| 3484 DEFERROR (Qio_error, "IO Error", Qinvalid_operation); | |
| 563 | 3485 DEFERROR_STANDARD (Qfile_error, Qio_error); |
| 3486 DEFERROR (Qend_of_file, "End of file or stream", Qfile_error); | |
| 3487 DEFERROR_STANDARD (Qconversion_error, Qio_error); | |
| 580 | 3488 DEFERROR_STANDARD (Qtext_conversion_error, Qconversion_error); |
| 442 | 3489 |
| 3490 DEFERROR (Qarith_error, "Arithmetic error", Qinvalid_operation); | |
| 3491 DEFERROR (Qrange_error, "Arithmetic range error", Qarith_error); | |
| 3492 DEFERROR (Qdomain_error, "Arithmetic domain error", Qarith_error); | |
| 3493 DEFERROR (Qsingularity_error, "Arithmetic singularity error", Qdomain_error); | |
| 3494 DEFERROR (Qoverflow_error, "Arithmetic overflow error", Qdomain_error); | |
| 3495 DEFERROR (Qunderflow_error, "Arithmetic underflow error", Qdomain_error); | |
| 428 | 3496 } |
| 3497 | |
| 3498 void | |
| 3499 syms_of_data (void) | |
| 3500 { | |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
3501 INIT_LISP_OBJECT (weak_list); |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
3502 INIT_LISP_OBJECT (ephemeron); |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
3503 INIT_LISP_OBJECT (weak_box); |
| 442 | 3504 |
| 3505 DEFSYMBOL (Qlambda); | |
| 3506 DEFSYMBOL (Qlistp); | |
| 3507 DEFSYMBOL (Qtrue_list_p); | |
| 3508 DEFSYMBOL (Qconsp); | |
| 3509 DEFSYMBOL (Qsubrp); | |
| 3510 DEFSYMBOL (Qsymbolp); | |
| 3511 DEFSYMBOL (Qintegerp); | |
| 3512 DEFSYMBOL (Qcharacterp); | |
| 3513 DEFSYMBOL (Qnatnump); | |
| 1983 | 3514 DEFSYMBOL (Qnonnegativep); |
| 442 | 3515 DEFSYMBOL (Qstringp); |
| 3516 DEFSYMBOL (Qarrayp); | |
| 3517 DEFSYMBOL (Qsequencep); | |
| 3518 DEFSYMBOL (Qbufferp); | |
| 3519 DEFSYMBOL (Qbitp); | |
| 3520 DEFSYMBOL_MULTIWORD_PREDICATE (Qbit_vectorp); | |
| 3521 DEFSYMBOL (Qvectorp); | |
| 3522 DEFSYMBOL (Qchar_or_string_p); | |
| 3523 DEFSYMBOL (Qmarkerp); | |
| 3524 DEFSYMBOL (Qinteger_or_marker_p); | |
| 3525 DEFSYMBOL (Qinteger_or_char_p); | |
| 3526 DEFSYMBOL (Qinteger_char_or_marker_p); | |
| 3527 DEFSYMBOL (Qnumberp); | |
| 3528 DEFSYMBOL (Qnumber_char_or_marker_p); | |
| 3529 DEFSYMBOL (Qcdr); | |
| 563 | 3530 DEFSYMBOL (Qerror_lacks_explanatory_string); |
| 442 | 3531 DEFSYMBOL_MULTIWORD_PREDICATE (Qweak_listp); |
| 3532 DEFSYMBOL (Qfloatp); | |
| 428 | 3533 |
| 3534 DEFSUBR (Fwrong_type_argument); | |
| 3535 | |
| 1983 | 3536 #ifdef HAVE_RATIO |
| 3537 DEFSUBR (Fdiv); | |
| 3538 #endif | |
| 428 | 3539 DEFSUBR (Feq); |
| 3540 DEFSUBR (Fnull); | |
| 3541 Ffset (intern ("not"), intern ("null")); | |
| 3542 DEFSUBR (Flistp); | |
| 3543 DEFSUBR (Fnlistp); | |
| 3544 DEFSUBR (Ftrue_list_p); | |
| 3545 DEFSUBR (Fconsp); | |
| 3546 DEFSUBR (Fatom); | |
| 3547 DEFSUBR (Fchar_or_string_p); | |
| 3548 DEFSUBR (Fcharacterp); | |
| 3549 DEFSUBR (Fchar_int_p); | |
| 3550 DEFSUBR (Fchar_to_int); | |
| 3551 DEFSUBR (Fint_to_char); | |
| 3552 DEFSUBR (Fchar_or_char_int_p); | |
| 1983 | 3553 DEFSUBR (Ffixnump); |
| 428 | 3554 DEFSUBR (Fintegerp); |
| 3555 DEFSUBR (Finteger_or_marker_p); | |
| 3556 DEFSUBR (Finteger_or_char_p); | |
| 3557 DEFSUBR (Finteger_char_or_marker_p); | |
| 3558 DEFSUBR (Fnumberp); | |
| 3559 DEFSUBR (Fnumber_or_marker_p); | |
| 3560 DEFSUBR (Fnumber_char_or_marker_p); | |
| 3561 DEFSUBR (Ffloatp); | |
| 3562 DEFSUBR (Fnatnump); | |
| 1983 | 3563 DEFSUBR (Fnonnegativep); |
| 428 | 3564 DEFSUBR (Fsymbolp); |
| 3565 DEFSUBR (Fkeywordp); | |
| 3566 DEFSUBR (Fstringp); | |
| 3567 DEFSUBR (Fvectorp); | |
| 3568 DEFSUBR (Fbitp); | |
| 3569 DEFSUBR (Fbit_vector_p); | |
| 3570 DEFSUBR (Farrayp); | |
| 3571 DEFSUBR (Fsequencep); | |
| 3572 DEFSUBR (Fmarkerp); | |
| 3573 DEFSUBR (Fsubrp); | |
| 3574 DEFSUBR (Fsubr_min_args); | |
| 3575 DEFSUBR (Fsubr_max_args); | |
| 3576 DEFSUBR (Fsubr_interactive); | |
| 3577 DEFSUBR (Ftype_of); | |
| 3578 DEFSUBR (Fcar); | |
| 3579 DEFSUBR (Fcdr); | |
| 3580 DEFSUBR (Fcar_safe); | |
| 3581 DEFSUBR (Fcdr_safe); | |
| 3582 DEFSUBR (Fsetcar); | |
| 3583 DEFSUBR (Fsetcdr); | |
| 3584 DEFSUBR (Findirect_function); | |
| 3585 DEFSUBR (Faref); | |
| 3586 DEFSUBR (Faset); | |
| 3587 | |
| 3588 DEFSUBR (Fnumber_to_string); | |
| 3589 DEFSUBR (Fstring_to_number); | |
| 3590 DEFSUBR (Feqlsign); | |
| 3591 DEFSUBR (Flss); | |
| 3592 DEFSUBR (Fgtr); | |
| 3593 DEFSUBR (Fleq); | |
| 3594 DEFSUBR (Fgeq); | |
| 3595 DEFSUBR (Fneq); | |
| 3596 DEFSUBR (Fzerop); | |
| 3597 DEFSUBR (Fplus); | |
| 3598 DEFSUBR (Fminus); | |
| 3599 DEFSUBR (Ftimes); | |
| 3600 DEFSUBR (Fquo); | |
| 3601 DEFSUBR (Frem); | |
| 3602 DEFSUBR (Fmod); | |
| 3603 DEFSUBR (Fmax); | |
| 3604 DEFSUBR (Fmin); | |
| 3605 DEFSUBR (Flogand); | |
| 3606 DEFSUBR (Flogior); | |
| 3607 DEFSUBR (Flogxor); | |
| 3608 DEFSUBR (Flsh); | |
| 3609 DEFSUBR (Fash); | |
| 3610 DEFSUBR (Fadd1); | |
| 3611 DEFSUBR (Fsub1); | |
| 3612 DEFSUBR (Flognot); | |
| 3613 | |
| 3614 DEFSUBR (Fweak_list_p); | |
| 3615 DEFSUBR (Fmake_weak_list); | |
| 3616 DEFSUBR (Fweak_list_type); | |
| 3617 DEFSUBR (Fweak_list_list); | |
| 3618 DEFSUBR (Fset_weak_list_list); | |
| 858 | 3619 |
| 888 | 3620 DEFSUBR (Fmake_ephemeron); |
| 3621 DEFSUBR (Fephemeron_ref); | |
| 3622 DEFSUBR (Fephemeronp); | |
| 858 | 3623 DEFSUBR (Fmake_weak_box); |
| 3624 DEFSUBR (Fweak_box_ref); | |
| 3625 DEFSUBR (Fweak_boxp); | |
| 428 | 3626 } |
| 3627 | |
| 3628 void | |
| 3629 vars_of_data (void) | |
| 3630 { | |
| 3631 /* This must not be staticpro'd */ | |
| 3632 Vall_weak_lists = Qnil; | |
| 452 | 3633 dump_add_weak_object_chain (&Vall_weak_lists); |
| 428 | 3634 |
| 888 | 3635 Vall_ephemerons = Qnil; |
| 3636 dump_add_weak_object_chain (&Vall_ephemerons); | |
| 3637 | |
| 3638 Vfinalize_list = Qnil; | |
| 3639 staticpro (&Vfinalize_list); | |
| 3640 | |
| 858 | 3641 Vall_weak_boxes = Qnil; |
| 3642 dump_add_weak_object_chain (&Vall_weak_boxes); | |
| 3643 | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3644 DEFVAR_CONST_INT ("most-negative-fixnum", &Vmost_negative_fixnum /* |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3645 The fixnum closest in value to negative infinity. |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3646 */); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3647 Vmost_negative_fixnum = MOST_NEGATIVE_FIXNUM; |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3648 |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3649 DEFVAR_CONST_INT ("most-positive-fixnum", &Vmost_positive_fixnum /* |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3650 The fixnum closest in value to positive infinity. |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3651 */); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3652 Vmost_positive_fixnum = MOST_POSITIVE_FIXNUM; |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
3653 |
| 428 | 3654 #ifdef DEBUG_XEMACS |
| 3655 DEFVAR_BOOL ("debug-issue-ebola-notices", &debug_issue_ebola_notices /* | |
| 3656 If non-zero, note when your code may be suffering from char-int confoundance. | |
| 3657 That is to say, if XEmacs encounters a usage of `eq', `memq', `equal', | |
| 3658 etc. where an int and a char with the same value are being compared, | |
| 3659 it will issue a notice on stderr to this effect, along with a backtrace. | |
| 3660 In such situations, the result would be different in XEmacs 19 versus | |
| 3661 XEmacs 20, and you probably don't want this. | |
| 3662 | |
| 3663 Note that in order to see these notices, you have to byte compile your | |
| 3664 code under XEmacs 20 -- any code byte-compiled under XEmacs 19 will | |
| 3665 have its chars and ints all confounded in the byte code, making it | |
| 3666 impossible to accurately determine Ebola infection. | |
| 3667 */ ); | |
| 3668 | |
| 3669 debug_issue_ebola_notices = 0; | |
| 3670 | |
| 3671 DEFVAR_INT ("debug-ebola-backtrace-length", | |
| 3672 &debug_ebola_backtrace_length /* | |
| 3673 Length (in stack frames) of short backtrace printed out in Ebola notices. | |
| 3674 See `debug-issue-ebola-notices'. | |
| 3675 */ ); | |
| 3676 debug_ebola_backtrace_length = 32; | |
| 3677 | |
| 3678 #endif /* DEBUG_XEMACS */ | |
| 3679 } |