Mercurial > hg > xemacs-beta
annotate src/data.c @ 5898:2aeaf9bc7175
Regenerate configure.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Tue, 05 May 2015 04:06:37 +0900 |
| parents | c96000075e49 |
| children | 5afddd952c46 |
| 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" |
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34 #include "syntax.h" |
| 428 | 35 |
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36 Lisp_Object Qnil, Qt, Qlambda, Qunbound; |
| 428 | 37 Lisp_Object Qerror_conditions, Qerror_message; |
| 442 | 38 Lisp_Object Qerror, Qquit, Qsyntax_error, Qinvalid_read_syntax; |
| 563 | 39 Lisp_Object Qlist_formation_error, Qstructure_formation_error; |
| 442 | 40 Lisp_Object Qmalformed_list, Qmalformed_property_list; |
| 41 Lisp_Object Qcircular_list, Qcircular_property_list; | |
| 563 | 42 Lisp_Object Qinvalid_argument, Qinvalid_constant, Qwrong_type_argument; |
| 43 Lisp_Object Qargs_out_of_range; | |
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44 Lisp_Object Qwrong_number_of_arguments, Qinvalid_function; |
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45 Lisp_Object Qinvalid_keyword_argument, Qno_catch; |
| 563 | 46 Lisp_Object Qinternal_error, Qinvalid_state, Qstack_overflow, Qout_of_memory; |
| 428 | 47 Lisp_Object Qvoid_variable, Qcyclic_variable_indirection; |
| 48 Lisp_Object Qvoid_function, Qcyclic_function_indirection; | |
| 563 | 49 Lisp_Object Qinvalid_operation, Qinvalid_change, Qprinting_unreadable_object; |
| 442 | 50 Lisp_Object Qsetting_constant; |
| 51 Lisp_Object Qediting_error; | |
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52 Lisp_Object Qbeginning_of_buffer, Qend_of_buffer; |
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53 Lisp_Object Qbuffer_read_only, Qextent_read_only; |
| 563 | 54 Lisp_Object Qio_error, Qfile_error, Qconversion_error, Qend_of_file; |
| 580 | 55 Lisp_Object Qtext_conversion_error; |
| 428 | 56 Lisp_Object Qarith_error, Qrange_error, Qdomain_error; |
| 57 Lisp_Object Qsingularity_error, Qoverflow_error, Qunderflow_error; | |
| 1983 | 58 Lisp_Object Qintegerp, Qnatnump, Qnonnegativep, Qsymbolp; |
| 428 | 59 Lisp_Object Qlistp, Qtrue_list_p, Qweak_listp; |
| 60 Lisp_Object Qconsp, Qsubrp; | |
| 61 Lisp_Object Qcharacterp, Qstringp, Qarrayp, Qsequencep, Qvectorp; | |
| 62 Lisp_Object Qchar_or_string_p, Qmarkerp, Qinteger_or_marker_p, Qbufferp; | |
| 63 Lisp_Object Qinteger_or_char_p, Qinteger_char_or_marker_p; | |
| 64 Lisp_Object Qnumberp, Qnumber_char_or_marker_p; | |
| 65 Lisp_Object Qbit_vectorp, Qbitp, Qcdr; | |
| 66 | |
| 563 | 67 Lisp_Object Qerror_lacks_explanatory_string; |
| 428 | 68 Lisp_Object Qfloatp; |
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69 Lisp_Object Q_junk_allowed, Q_radix, Q_radix_table; |
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70 |
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71 Lisp_Object Vdigit_fixnum_map, Vfixnum_to_char_map; |
| 428 | 72 |
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73 Fixnum Vmost_negative_fixnum, Vmost_positive_fixnum; |
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74 |
| 428 | 75 #ifdef DEBUG_XEMACS |
| 76 | |
| 77 int debug_issue_ebola_notices; | |
| 78 | |
| 458 | 79 Fixnum debug_ebola_backtrace_length; |
| 428 | 80 |
| 81 int | |
| 82 eq_with_ebola_notice (Lisp_Object obj1, Lisp_Object obj2) | |
| 83 { | |
| 84 if (debug_issue_ebola_notices | |
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85 && ((CHARP (obj1) && FIXNUMP (obj2)) || (CHARP (obj2) && FIXNUMP (obj1)))) |
| 428 | 86 { |
| 87 /* #### It would be really nice if this were a proper warning | |
| 1551 | 88 instead of brain-dead print to Qexternal_debugging_output. */ |
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89 write_msg_string |
| 826 | 90 (Qexternal_debugging_output, |
| 91 "Comparison between integer and character is constant nil ("); | |
| 428 | 92 Fprinc (obj1, Qexternal_debugging_output); |
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93 write_msg_string (Qexternal_debugging_output, " and "); |
| 428 | 94 Fprinc (obj2, Qexternal_debugging_output); |
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95 write_msg_string (Qexternal_debugging_output, ")\n"); |
| 428 | 96 debug_short_backtrace (debug_ebola_backtrace_length); |
| 97 } | |
| 98 return EQ (obj1, obj2); | |
| 99 } | |
| 100 | |
| 101 #endif /* DEBUG_XEMACS */ | |
| 102 | |
| 103 | |
| 104 | |
| 105 Lisp_Object | |
| 106 wrong_type_argument (Lisp_Object predicate, Lisp_Object value) | |
| 107 { | |
| 108 /* This function can GC */ | |
| 109 REGISTER Lisp_Object tem; | |
| 110 do | |
| 111 { | |
| 112 value = Fsignal (Qwrong_type_argument, list2 (predicate, value)); | |
| 113 tem = call1 (predicate, value); | |
| 114 } | |
| 115 while (NILP (tem)); | |
| 116 return value; | |
| 117 } | |
| 118 | |
| 119 DOESNT_RETURN | |
| 120 dead_wrong_type_argument (Lisp_Object predicate, Lisp_Object value) | |
| 121 { | |
| 563 | 122 signal_error_1 (Qwrong_type_argument, list2 (predicate, value)); |
| 428 | 123 } |
| 124 | |
| 125 DEFUN ("wrong-type-argument", Fwrong_type_argument, 2, 2, 0, /* | |
| 126 Signal an error until the correct type value is given by the user. | |
| 127 This function loops, signalling a continuable `wrong-type-argument' error | |
| 128 with PREDICATE and VALUE as the data associated with the error and then | |
| 129 calling PREDICATE on the returned value, until the value gotten satisfies | |
| 130 PREDICATE. At that point, the gotten value is returned. | |
| 131 */ | |
| 132 (predicate, value)) | |
| 133 { | |
| 134 return wrong_type_argument (predicate, value); | |
| 135 } | |
| 136 | |
| 137 DOESNT_RETURN | |
| 138 c_write_error (Lisp_Object obj) | |
| 139 { | |
| 563 | 140 signal_error (Qsetting_constant, |
| 141 "Attempt to modify read-only object (c)", obj); | |
| 428 | 142 } |
| 143 | |
| 144 DOESNT_RETURN | |
| 145 lisp_write_error (Lisp_Object obj) | |
| 146 { | |
| 563 | 147 signal_error (Qsetting_constant, |
| 148 "Attempt to modify read-only object (lisp)", obj); | |
| 428 | 149 } |
| 150 | |
| 151 DOESNT_RETURN | |
| 152 args_out_of_range (Lisp_Object a1, Lisp_Object a2) | |
| 153 { | |
| 563 | 154 signal_error_1 (Qargs_out_of_range, list2 (a1, a2)); |
| 428 | 155 } |
| 156 | |
| 157 DOESNT_RETURN | |
| 158 args_out_of_range_3 (Lisp_Object a1, Lisp_Object a2, Lisp_Object a3) | |
| 159 { | |
| 563 | 160 signal_error_1 (Qargs_out_of_range, list3 (a1, a2, a3)); |
| 428 | 161 } |
| 162 | |
| 163 void | |
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164 check_integer_range (Lisp_Object val, Lisp_Object min, Lisp_Object max) |
| 428 | 165 { |
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166 Lisp_Object args[] = { min, val, max }; |
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167 int ii; |
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168 |
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169 for (ii = 0; ii < countof (args); ii++) |
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170 { |
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171 CHECK_INTEGER (args[ii]); |
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172 } |
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173 |
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174 if (NILP (Fleq (countof (args), args))) |
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175 args_out_of_range_3 (val, min, max); |
| 428 | 176 } |
| 177 | |
| 178 | |
| 179 /* Data type predicates */ | |
| 180 | |
| 181 DEFUN ("eq", Feq, 2, 2, 0, /* | |
| 182 Return t if the two args are the same Lisp object. | |
| 183 */ | |
| 444 | 184 (object1, object2)) |
| 428 | 185 { |
| 444 | 186 return EQ_WITH_EBOLA_NOTICE (object1, object2) ? Qt : Qnil; |
| 428 | 187 } |
| 188 | |
| 189 DEFUN ("null", Fnull, 1, 1, 0, /* | |
| 190 Return t if OBJECT is nil. | |
| 191 */ | |
| 192 (object)) | |
| 193 { | |
| 194 return NILP (object) ? Qt : Qnil; | |
| 195 } | |
| 196 | |
| 197 DEFUN ("consp", Fconsp, 1, 1, 0, /* | |
| 198 Return t if OBJECT is a cons cell. `nil' is not a cons cell. | |
| 3343 | 199 |
| 3355 | 200 See the documentation for `cons' or the Lisp manual for more details on what |
| 201 a cons cell is. | |
| 428 | 202 */ |
| 203 (object)) | |
| 204 { | |
| 205 return CONSP (object) ? Qt : Qnil; | |
| 206 } | |
| 207 | |
| 208 DEFUN ("atom", Fatom, 1, 1, 0, /* | |
| 209 Return t if OBJECT is not a cons cell. `nil' is not a cons cell. | |
| 3355 | 210 |
| 211 See the documentation for `cons' or the Lisp manual for more details on what | |
| 212 a cons cell is. | |
| 428 | 213 */ |
| 214 (object)) | |
| 215 { | |
| 216 return CONSP (object) ? Qnil : Qt; | |
| 217 } | |
| 218 | |
| 219 DEFUN ("listp", Flistp, 1, 1, 0, /* | |
| 220 Return t if OBJECT is a list. `nil' is a list. | |
| 3343 | 221 |
| 3355 | 222 A list is either the Lisp object nil (a symbol), interpreted as the empty |
| 223 list in this context, or a cons cell whose CDR refers to either nil or a | |
| 224 cons cell. A "proper list" contains no cycles. | |
| 428 | 225 */ |
| 226 (object)) | |
| 227 { | |
| 228 return LISTP (object) ? Qt : Qnil; | |
| 229 } | |
| 230 | |
| 231 DEFUN ("nlistp", Fnlistp, 1, 1, 0, /* | |
| 232 Return t if OBJECT is not a list. `nil' is a list. | |
| 233 */ | |
| 234 (object)) | |
| 235 { | |
| 236 return LISTP (object) ? Qnil : Qt; | |
| 237 } | |
| 238 | |
| 239 DEFUN ("true-list-p", Ftrue_list_p, 1, 1, 0, /* | |
| 1551 | 240 Return t if OBJECT is an acyclic, nil-terminated (ie, not dotted), list. |
| 428 | 241 */ |
| 242 (object)) | |
| 243 { | |
| 244 return TRUE_LIST_P (object) ? Qt : Qnil; | |
| 245 } | |
| 246 | |
| 247 DEFUN ("symbolp", Fsymbolp, 1, 1, 0, /* | |
| 248 Return t if OBJECT is a symbol. | |
| 3343 | 249 |
| 250 A symbol is a Lisp object with a name. It can optionally have any and all of | |
| 251 a value, a property list and an associated function. | |
| 428 | 252 */ |
| 253 (object)) | |
| 254 { | |
| 255 return SYMBOLP (object) ? Qt : Qnil; | |
| 256 } | |
| 257 | |
| 258 DEFUN ("keywordp", Fkeywordp, 1, 1, 0, /* | |
| 259 Return t if OBJECT is a keyword. | |
| 260 */ | |
| 261 (object)) | |
| 262 { | |
| 263 return KEYWORDP (object) ? Qt : Qnil; | |
| 264 } | |
| 265 | |
| 266 DEFUN ("vectorp", Fvectorp, 1, 1, 0, /* | |
| 267 Return t if OBJECT is a vector. | |
| 268 */ | |
| 269 (object)) | |
| 270 { | |
| 271 return VECTORP (object) ? Qt : Qnil; | |
| 272 } | |
| 273 | |
| 274 DEFUN ("bit-vector-p", Fbit_vector_p, 1, 1, 0, /* | |
| 275 Return t if OBJECT is a bit vector. | |
| 276 */ | |
| 277 (object)) | |
| 278 { | |
| 279 return BIT_VECTORP (object) ? Qt : Qnil; | |
| 280 } | |
| 281 | |
| 282 DEFUN ("stringp", Fstringp, 1, 1, 0, /* | |
| 283 Return t if OBJECT is a string. | |
| 284 */ | |
| 285 (object)) | |
| 286 { | |
| 287 return STRINGP (object) ? Qt : Qnil; | |
| 288 } | |
| 289 | |
| 290 DEFUN ("arrayp", Farrayp, 1, 1, 0, /* | |
| 291 Return t if OBJECT is an array (string, vector, or bit vector). | |
| 292 */ | |
| 293 (object)) | |
| 294 { | |
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295 return ARRAYP (object) ? Qt : Qnil; |
| 428 | 296 } |
| 297 | |
| 298 DEFUN ("sequencep", Fsequencep, 1, 1, 0, /* | |
| 299 Return t if OBJECT is a sequence (list or array). | |
| 300 */ | |
| 301 (object)) | |
| 302 { | |
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303 return SEQUENCEP (object) ? Qt : Qnil; |
| 428 | 304 } |
| 305 | |
| 306 DEFUN ("markerp", Fmarkerp, 1, 1, 0, /* | |
| 307 Return t if OBJECT is a marker (editor pointer). | |
| 308 */ | |
| 309 (object)) | |
| 310 { | |
| 311 return MARKERP (object) ? Qt : Qnil; | |
| 312 } | |
| 313 | |
| 314 DEFUN ("subrp", Fsubrp, 1, 1, 0, /* | |
| 315 Return t if OBJECT is a built-in function. | |
| 316 */ | |
| 317 (object)) | |
| 318 { | |
| 319 return SUBRP (object) ? Qt : Qnil; | |
| 320 } | |
| 321 | |
| 322 DEFUN ("subr-min-args", Fsubr_min_args, 1, 1, 0, /* | |
| 323 Return minimum number of args built-in function SUBR may be called with. | |
| 324 */ | |
| 325 (subr)) | |
| 326 { | |
| 327 CHECK_SUBR (subr); | |
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328 return make_fixnum (XSUBR (subr)->min_args); |
| 428 | 329 } |
| 330 | |
| 331 DEFUN ("subr-max-args", Fsubr_max_args, 1, 1, 0, /* | |
| 332 Return maximum number of args built-in function SUBR may be called with, | |
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333 or nil if it takes an arbitrary number of arguments or is a special operator. |
| 428 | 334 */ |
| 335 (subr)) | |
| 336 { | |
| 337 int nargs; | |
| 338 CHECK_SUBR (subr); | |
| 339 nargs = XSUBR (subr)->max_args; | |
| 340 if (nargs == MANY || nargs == UNEVALLED) | |
| 341 return Qnil; | |
| 342 else | |
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343 return make_fixnum (nargs); |
| 428 | 344 } |
| 345 | |
| 346 DEFUN ("subr-interactive", Fsubr_interactive, 1, 1, 0, /* | |
| 444 | 347 Return the interactive spec of the subr object SUBR, or nil. |
| 428 | 348 If non-nil, the return value will be a list whose first element is |
| 349 `interactive' and whose second element is the interactive spec. | |
| 350 */ | |
| 351 (subr)) | |
| 352 { | |
| 867 | 353 const CIbyte *prompt; |
| 428 | 354 CHECK_SUBR (subr); |
| 355 prompt = XSUBR (subr)->prompt; | |
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356 return prompt ? list2 (Qinteractive, build_msg_cistring (prompt)) : Qnil; |
| 428 | 357 } |
| 358 | |
| 359 | |
| 360 DEFUN ("characterp", Fcharacterp, 1, 1, 0, /* | |
| 361 Return t if OBJECT is a character. | |
| 362 Unlike in XEmacs v19 and FSF Emacs, a character is its own primitive type. | |
| 363 Any character can be converted into an equivalent integer using | |
| 364 `char-int'. To convert the other way, use `int-char'; however, | |
| 365 only some integers can be converted into characters. Such an integer | |
| 366 is called a `char-int'; see `char-int-p'. | |
| 367 | |
| 368 Some functions that work on integers (e.g. the comparison functions | |
| 369 <, <=, =, /=, etc. and the arithmetic functions +, -, *, etc.) | |
| 370 accept characters and implicitly convert them into integers. In | |
| 371 general, functions that work on characters also accept char-ints and | |
| 372 implicitly convert them into characters. WARNING: Neither of these | |
| 373 behaviors is very desirable, and they are maintained for backward | |
| 374 compatibility with old E-Lisp programs that confounded characters and | |
| 375 integers willy-nilly. These behaviors may change in the future; therefore, | |
| 376 do not rely on them. Instead, use the character-specific functions such | |
| 377 as `char='. | |
| 378 */ | |
| 379 (object)) | |
| 380 { | |
| 381 return CHARP (object) ? Qt : Qnil; | |
| 382 } | |
| 383 | |
| 384 DEFUN ("char-to-int", Fchar_to_int, 1, 1, 0, /* | |
| 444 | 385 Convert CHARACTER into an equivalent integer. |
| 428 | 386 The resulting integer will always be non-negative. The integers in |
| 387 the range 0 - 255 map to characters as follows: | |
| 388 | |
| 389 0 - 31 Control set 0 | |
| 390 32 - 127 ASCII | |
| 391 128 - 159 Control set 1 | |
| 392 160 - 255 Right half of ISO-8859-1 | |
| 393 | |
| 394 If support for Mule does not exist, these are the only valid character | |
| 395 values. When Mule support exists, the values assigned to other characters | |
| 396 may vary depending on the particular version of XEmacs, the order in which | |
| 397 character sets were loaded, etc., and you should not depend on them. | |
| 398 */ | |
| 444 | 399 (character)) |
| 428 | 400 { |
| 444 | 401 CHECK_CHAR (character); |
|
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402 return make_fixnum (XCHAR (character)); |
| 428 | 403 } |
| 404 | |
| 405 DEFUN ("int-to-char", Fint_to_char, 1, 1, 0, /* | |
| 444 | 406 Convert integer INTEGER into the equivalent character. |
| 428 | 407 Not all integers correspond to valid characters; use `char-int-p' to |
| 408 determine whether this is the case. If the integer cannot be converted, | |
| 409 nil is returned. | |
| 410 */ | |
| 411 (integer)) | |
| 412 { | |
|
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413 CHECK_INTEGER (integer); |
| 428 | 414 if (CHAR_INTP (integer)) |
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415 return make_char (XFIXNUM (integer)); |
| 428 | 416 else |
| 417 return Qnil; | |
| 418 } | |
| 419 | |
| 420 DEFUN ("char-int-p", Fchar_int_p, 1, 1, 0, /* | |
| 421 Return t if OBJECT is an integer that can be converted into a character. | |
| 422 See `char-int'. | |
| 423 */ | |
| 424 (object)) | |
| 425 { | |
| 426 return CHAR_INTP (object) ? Qt : Qnil; | |
| 427 } | |
| 428 | |
| 429 DEFUN ("char-or-char-int-p", Fchar_or_char_int_p, 1, 1, 0, /* | |
| 430 Return t if OBJECT is a character or an integer that can be converted into one. | |
| 431 */ | |
| 432 (object)) | |
| 433 { | |
| 434 return CHAR_OR_CHAR_INTP (object) ? Qt : Qnil; | |
| 435 } | |
| 436 | |
| 437 DEFUN ("char-or-string-p", Fchar_or_string_p, 1, 1, 0, /* | |
| 438 Return t if OBJECT is a character (or a char-int) or a string. | |
| 439 It is semi-hateful that we allow a char-int here, as it goes against | |
| 440 the name of this function, but it makes the most sense considering the | |
| 441 other steps we take to maintain compatibility with the old character/integer | |
| 442 confoundedness in older versions of E-Lisp. | |
| 443 */ | |
| 444 (object)) | |
| 445 { | |
| 446 return CHAR_OR_CHAR_INTP (object) || STRINGP (object) ? Qt : Qnil; | |
| 447 } | |
| 448 | |
| 1983 | 449 DEFUN ("fixnump", Ffixnump, 1, 1, 0, /* |
| 450 Return t if OBJECT is a fixnum. | |
|
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451 |
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452 In this implementation, a fixnum is an immediate integer, and has a |
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453 maximum value described by the constant `most-positive-fixnum'. This |
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454 contrasts with bignums, integers where the values are limited by your |
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455 available memory. |
| 1983 | 456 */ |
| 457 (object)) | |
| 458 { | |
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459 return FIXNUMP (object) ? Qt : Qnil; |
| 1983 | 460 } |
| 428 | 461 DEFUN ("integerp", Fintegerp, 1, 1, 0, /* |
|
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462 Return t if OBJECT is an integer, nil otherwise. |
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463 |
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464 On builds without bignum support, this function is identical to `fixnump'. |
| 428 | 465 */ |
| 466 (object)) | |
| 467 { | |
|
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468 return INTEGERP (object) ? Qt : Qnil; |
| 428 | 469 } |
| 470 | |
| 471 DEFUN ("integer-or-marker-p", Finteger_or_marker_p, 1, 1, 0, /* | |
| 472 Return t if OBJECT is an integer or a marker (editor pointer). | |
| 473 */ | |
| 474 (object)) | |
| 475 { | |
|
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476 return INTEGERP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 477 } |
| 478 | |
| 479 DEFUN ("integer-or-char-p", Finteger_or_char_p, 1, 1, 0, /* | |
| 480 Return t if OBJECT is an integer or a character. | |
| 481 */ | |
| 482 (object)) | |
| 483 { | |
|
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484 return INTEGERP (object) || CHARP (object) ? Qt : Qnil; |
| 428 | 485 } |
| 486 | |
| 487 DEFUN ("integer-char-or-marker-p", Finteger_char_or_marker_p, 1, 1, 0, /* | |
| 488 Return t if OBJECT is an integer, character or a marker (editor pointer). | |
| 489 */ | |
| 490 (object)) | |
| 491 { | |
|
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492 return INTEGERP (object) || CHARP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 493 } |
| 494 | |
| 495 DEFUN ("natnump", Fnatnump, 1, 1, 0, /* | |
| 496 Return t if OBJECT is a nonnegative integer. | |
| 497 */ | |
| 498 (object)) | |
| 499 { | |
|
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500 return NATNUMP (object) ? Qt : Qnil; |
| 1983 | 501 } |
| 502 | |
| 503 DEFUN ("nonnegativep", Fnonnegativep, 1, 1, 0, /* | |
| 504 Return t if OBJECT is a nonnegative number. | |
| 505 */ | |
| 506 (object)) | |
| 507 { | |
| 508 return NATNUMP (object) | |
| 509 #ifdef HAVE_RATIO | |
| 510 || (RATIOP (object) && ratio_sign (XRATIO_DATA (object)) >= 0) | |
| 511 #endif | |
| 512 #ifdef HAVE_BIGFLOAT | |
| 513 || (BIGFLOATP (object) && bigfloat_sign (XBIGFLOAT_DATA (object)) >= 0) | |
| 514 #endif | |
| 515 ? Qt : Qnil; | |
| 428 | 516 } |
| 517 | |
| 518 DEFUN ("bitp", Fbitp, 1, 1, 0, /* | |
| 519 Return t if OBJECT is a bit (0 or 1). | |
| 520 */ | |
| 521 (object)) | |
| 522 { | |
| 523 return BITP (object) ? Qt : Qnil; | |
| 524 } | |
| 525 | |
| 526 DEFUN ("numberp", Fnumberp, 1, 1, 0, /* | |
| 527 Return t if OBJECT is a number (floating point or integer). | |
| 528 */ | |
| 529 (object)) | |
| 530 { | |
| 1983 | 531 return NUMBERP (object) ? Qt : Qnil; |
| 428 | 532 } |
| 533 | |
| 534 DEFUN ("number-or-marker-p", Fnumber_or_marker_p, 1, 1, 0, /* | |
| 535 Return t if OBJECT is a number or a marker. | |
| 536 */ | |
| 537 (object)) | |
| 538 { | |
|
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539 return NUMBERP (object) || MARKERP (object) ? Qt : Qnil; |
| 428 | 540 } |
| 541 | |
| 542 DEFUN ("number-char-or-marker-p", Fnumber_char_or_marker_p, 1, 1, 0, /* | |
| 543 Return t if OBJECT is a number, character or a marker. | |
| 544 */ | |
| 545 (object)) | |
| 546 { | |
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547 return (NUMBERP (object) || CHARP (object) || MARKERP (object)) |
| 428 | 548 ? Qt : Qnil; |
| 549 } | |
| 550 | |
| 551 DEFUN ("floatp", Ffloatp, 1, 1, 0, /* | |
| 552 Return t if OBJECT is a floating point number. | |
| 553 */ | |
| 554 (object)) | |
| 555 { | |
| 556 return FLOATP (object) ? Qt : Qnil; | |
| 557 } | |
| 558 | |
| 559 DEFUN ("type-of", Ftype_of, 1, 1, 0, /* | |
| 560 Return a symbol representing the type of OBJECT. | |
| 561 */ | |
| 562 (object)) | |
| 563 { | |
| 564 switch (XTYPE (object)) | |
| 565 { | |
| 566 case Lisp_Type_Record: | |
| 567 return intern (XRECORD_LHEADER_IMPLEMENTATION (object)->name); | |
| 568 | |
| 569 case Lisp_Type_Char: return Qcharacter; | |
| 570 | |
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571 default: return Qfixnum; |
| 428 | 572 } |
| 573 } | |
| 574 | |
| 575 | |
| 576 /* Extract and set components of lists */ | |
| 577 | |
| 578 DEFUN ("car", Fcar, 1, 1, 0, /* | |
|
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579 Return the car of LIST. If LIST is nil, return nil. |
| 3343 | 580 The car of a list or a dotted pair is its first element. |
| 581 | |
|
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582 Error if LIST is not nil and not a cons cell. See also `car-safe'. |
| 428 | 583 */ |
|
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584 (list)) |
| 428 | 585 { |
| 586 while (1) | |
| 587 { | |
|
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588 if (CONSP (list)) |
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589 return XCAR (list); |
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590 else if (NILP (list)) |
| 428 | 591 return Qnil; |
| 592 else | |
|
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593 list = wrong_type_argument (Qlistp, list); |
| 428 | 594 } |
| 595 } | |
| 596 | |
| 597 DEFUN ("car-safe", Fcar_safe, 1, 1, 0, /* | |
| 598 Return the car of OBJECT if it is a cons cell, or else nil. | |
| 599 */ | |
| 600 (object)) | |
| 601 { | |
| 602 return CONSP (object) ? XCAR (object) : Qnil; | |
| 603 } | |
| 604 | |
| 605 DEFUN ("cdr", Fcdr, 1, 1, 0, /* | |
|
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606 Return the cdr of LIST. If LIST is nil, return nil. |
| 3343 | 607 The cdr of a list is the list without its first element. The cdr of a |
| 608 dotted pair (A . B) is the second element, B. | |
| 609 | |
| 428 | 610 Error if arg is not nil and not a cons cell. See also `cdr-safe'. |
| 611 */ | |
|
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612 (list)) |
| 428 | 613 { |
| 614 while (1) | |
| 615 { | |
|
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616 if (CONSP (list)) |
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617 return XCDR (list); |
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618 else if (NILP (list)) |
| 428 | 619 return Qnil; |
| 620 else | |
|
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621 list = wrong_type_argument (Qlistp, list); |
| 428 | 622 } |
| 623 } | |
| 624 | |
| 625 DEFUN ("cdr-safe", Fcdr_safe, 1, 1, 0, /* | |
| 626 Return the cdr of OBJECT if it is a cons cell, else nil. | |
| 627 */ | |
| 628 (object)) | |
| 629 { | |
| 630 return CONSP (object) ? XCDR (object) : Qnil; | |
| 631 } | |
| 632 | |
| 633 DEFUN ("setcar", Fsetcar, 2, 2, 0, /* | |
| 444 | 634 Set the car of CONS-CELL to be NEWCAR. Return NEWCAR. |
| 3343 | 635 The car of a list or a dotted pair is its first element. |
| 428 | 636 */ |
| 444 | 637 (cons_cell, newcar)) |
| 428 | 638 { |
| 444 | 639 if (!CONSP (cons_cell)) |
| 640 cons_cell = wrong_type_argument (Qconsp, cons_cell); | |
| 428 | 641 |
| 444 | 642 XCAR (cons_cell) = newcar; |
| 428 | 643 return newcar; |
| 644 } | |
| 645 | |
| 646 DEFUN ("setcdr", Fsetcdr, 2, 2, 0, /* | |
| 444 | 647 Set the cdr of CONS-CELL to be NEWCDR. Return NEWCDR. |
| 3343 | 648 The cdr of a list is the list without its first element. The cdr of a |
| 649 dotted pair (A . B) is the second element, B. | |
| 428 | 650 */ |
| 444 | 651 (cons_cell, newcdr)) |
| 428 | 652 { |
| 444 | 653 if (!CONSP (cons_cell)) |
| 654 cons_cell = wrong_type_argument (Qconsp, cons_cell); | |
| 428 | 655 |
| 444 | 656 XCDR (cons_cell) = newcdr; |
| 428 | 657 return newcdr; |
| 658 } | |
| 659 | |
| 660 /* Find the function at the end of a chain of symbol function indirections. | |
| 661 | |
| 662 If OBJECT is a symbol, find the end of its function chain and | |
| 663 return the value found there. If OBJECT is not a symbol, just | |
| 664 return it. If there is a cycle in the function chain, signal a | |
| 665 cyclic-function-indirection error. | |
| 666 | |
| 442 | 667 This is like Findirect_function when VOID_FUNCTION_ERRORP is true. |
| 668 When VOID_FUNCTION_ERRORP is false, no error is signaled if the end | |
| 669 of the chain ends up being Qunbound. */ | |
| 428 | 670 Lisp_Object |
| 442 | 671 indirect_function (Lisp_Object object, int void_function_errorp) |
| 428 | 672 { |
| 673 #define FUNCTION_INDIRECTION_SUSPICION_LENGTH 16 | |
| 674 Lisp_Object tortoise, hare; | |
| 675 int count; | |
| 676 | |
| 677 for (hare = tortoise = object, count = 0; | |
| 678 SYMBOLP (hare); | |
| 679 hare = XSYMBOL (hare)->function, count++) | |
| 680 { | |
| 681 if (count < FUNCTION_INDIRECTION_SUSPICION_LENGTH) continue; | |
| 682 | |
| 683 if (count & 1) | |
| 684 tortoise = XSYMBOL (tortoise)->function; | |
| 685 if (EQ (hare, tortoise)) | |
| 686 return Fsignal (Qcyclic_function_indirection, list1 (object)); | |
| 687 } | |
| 688 | |
| 442 | 689 if (void_function_errorp && UNBOUNDP (hare)) |
| 436 | 690 return signal_void_function_error (object); |
| 428 | 691 |
| 692 return hare; | |
| 693 } | |
| 694 | |
| 695 DEFUN ("indirect-function", Findirect_function, 1, 1, 0, /* | |
| 696 Return the function at the end of OBJECT's function chain. | |
| 697 If OBJECT is a symbol, follow all function indirections and return | |
| 698 the final function binding. | |
| 699 If OBJECT is not a symbol, just return it. | |
| 700 Signal a void-function error if the final symbol is unbound. | |
| 701 Signal a cyclic-function-indirection error if there is a loop in the | |
| 702 function chain of symbols. | |
| 703 */ | |
| 704 (object)) | |
| 705 { | |
| 706 return indirect_function (object, 1); | |
| 707 } | |
| 708 | |
| 709 /* Extract and set vector and string elements */ | |
| 710 | |
| 711 DEFUN ("aref", Faref, 2, 2, 0, /* | |
| 712 Return the element of ARRAY at index INDEX. | |
| 713 ARRAY may be a vector, bit vector, or string. INDEX starts at 0. | |
| 714 */ | |
| 715 (array, index_)) | |
| 716 { | |
| 717 EMACS_INT idx; | |
| 718 | |
| 719 retry: | |
| 720 | |
|
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721 if (FIXNUMP (index_)) idx = XFIXNUM (index_); |
| 428 | 722 else if (CHARP (index_)) idx = XCHAR (index_); /* yuck! */ |
|
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723 #ifdef HAVE_BIGNUM |
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724 else if (BIGNUMP (index_)) |
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725 { |
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726 Lisp_Object canon = Fcanonicalize_number (index_); |
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727 if (EQ (canon, index_)) |
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728 { |
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729 /* We don't support non-fixnum indices. */ |
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730 goto range_error; |
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731 } |
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732 index_ = canon; |
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
733 goto retry; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
734 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
735 #endif |
| 428 | 736 else |
| 737 { | |
| 738 index_ = wrong_type_argument (Qinteger_or_char_p, index_); | |
| 739 goto retry; | |
| 740 } | |
| 741 | |
| 742 if (idx < 0) goto range_error; | |
| 743 | |
| 744 if (VECTORP (array)) | |
| 745 { | |
| 746 if (idx >= XVECTOR_LENGTH (array)) goto range_error; | |
| 747 return XVECTOR_DATA (array)[idx]; | |
| 748 } | |
| 749 else if (BIT_VECTORP (array)) | |
| 750 { | |
| 647 | 751 if (idx >= (EMACS_INT) bit_vector_length (XBIT_VECTOR (array))) |
| 752 goto range_error; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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5510
diff
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|
753 return make_fixnum (bit_vector_bit (XBIT_VECTOR (array), idx)); |
| 428 | 754 } |
| 755 else if (STRINGP (array)) | |
| 756 { | |
| 826 | 757 if (idx >= string_char_length (array)) goto range_error; |
| 867 | 758 return make_char (string_ichar (array, idx)); |
| 428 | 759 } |
| 760 else | |
| 761 { | |
| 762 check_losing_bytecode ("aref", array); | |
| 763 array = wrong_type_argument (Qarrayp, array); | |
| 764 goto retry; | |
| 765 } | |
| 766 | |
| 767 range_error: | |
| 768 args_out_of_range (array, index_); | |
| 1204 | 769 RETURN_NOT_REACHED (Qnil); |
| 428 | 770 } |
| 771 | |
| 772 DEFUN ("aset", Faset, 3, 3, 0, /* | |
| 773 Store into the element of ARRAY at index INDEX the value NEWVAL. | |
| 774 ARRAY may be a vector, bit vector, or string. INDEX starts at 0. | |
| 775 */ | |
| 776 (array, index_, newval)) | |
| 777 { | |
| 778 EMACS_INT idx; | |
| 779 | |
| 780 retry: | |
| 781 | |
|
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Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
782 if (FIXNUMP (index_)) idx = XFIXNUM (index_); |
| 428 | 783 else if (CHARP (index_)) idx = XCHAR (index_); /* yuck! */ |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
784 #ifdef HAVE_BIGNUM |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
785 else if (BIGNUMP (index_)) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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parents:
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diff
changeset
|
786 { |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
787 Lisp_Object canon = Fcanonicalize_number (index_); |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
788 if (EQ (canon, index_)) |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
789 { |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
790 /* 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
|
791 goto range_error; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
792 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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4846
diff
changeset
|
793 index_ = canon; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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4846
diff
changeset
|
794 goto retry; |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
795 } |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
796 #endif |
| 428 | 797 else |
| 798 { | |
| 799 index_ = wrong_type_argument (Qinteger_or_char_p, index_); | |
| 800 goto retry; | |
| 801 } | |
| 802 | |
| 803 if (idx < 0) goto range_error; | |
| 804 | |
| 771 | 805 CHECK_LISP_WRITEABLE (array); |
| 428 | 806 if (VECTORP (array)) |
| 807 { | |
| 808 if (idx >= XVECTOR_LENGTH (array)) goto range_error; | |
| 809 XVECTOR_DATA (array)[idx] = newval; | |
| 810 } | |
| 811 else if (BIT_VECTORP (array)) | |
| 812 { | |
| 647 | 813 if (idx >= (EMACS_INT) bit_vector_length (XBIT_VECTOR (array))) |
| 814 goto range_error; | |
| 428 | 815 CHECK_BIT (newval); |
| 816 set_bit_vector_bit (XBIT_VECTOR (array), idx, !ZEROP (newval)); | |
| 817 } | |
| 818 else if (STRINGP (array)) | |
| 819 { | |
| 820 CHECK_CHAR_COERCE_INT (newval); | |
| 826 | 821 if (idx >= string_char_length (array)) goto range_error; |
| 793 | 822 set_string_char (array, idx, XCHAR (newval)); |
| 428 | 823 bump_string_modiff (array); |
| 824 } | |
| 825 else | |
| 826 { | |
| 827 array = wrong_type_argument (Qarrayp, array); | |
| 828 goto retry; | |
| 829 } | |
| 830 | |
| 831 return newval; | |
| 832 | |
| 833 range_error: | |
| 834 args_out_of_range (array, index_); | |
| 1204 | 835 RETURN_NOT_REACHED (Qnil); |
| 428 | 836 } |
| 837 | |
| 838 | |
| 839 /**********************************************************************/ | |
| 840 /* Arithmetic functions */ | |
| 841 /**********************************************************************/ | |
| 2001 | 842 #ifndef WITH_NUMBER_TYPES |
| 428 | 843 typedef struct |
| 844 { | |
| 845 int int_p; | |
| 846 union | |
| 847 { | |
| 848 EMACS_INT ival; | |
| 849 double dval; | |
| 850 } c; | |
| 851 } int_or_double; | |
| 852 | |
| 853 static void | |
| 854 number_char_or_marker_to_int_or_double (Lisp_Object obj, int_or_double *p) | |
| 855 { | |
| 856 retry: | |
| 857 p->int_p = 1; | |
|
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56144c8593a8
Mechanically change INT to FIXNUM in our sources.
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parents:
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diff
changeset
|
858 if (FIXNUMP (obj)) p->c.ival = XFIXNUM (obj); |
| 428 | 859 else if (CHARP (obj)) p->c.ival = XCHAR (obj); |
| 860 else if (MARKERP (obj)) p->c.ival = marker_position (obj); | |
| 861 else if (FLOATP (obj)) p->c.dval = XFLOAT_DATA (obj), p->int_p = 0; | |
| 862 else | |
| 863 { | |
| 864 obj = wrong_type_argument (Qnumber_char_or_marker_p, obj); | |
| 865 goto retry; | |
| 866 } | |
| 867 } | |
| 868 | |
| 869 static double | |
| 870 number_char_or_marker_to_double (Lisp_Object obj) | |
| 871 { | |
| 872 retry: | |
|
5581
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Mechanically change INT to FIXNUM in our sources.
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diff
changeset
|
873 if (FIXNUMP (obj)) return (double) XFIXNUM (obj); |
| 428 | 874 else if (CHARP (obj)) return (double) XCHAR (obj); |
| 875 else if (MARKERP (obj)) return (double) marker_position (obj); | |
| 876 else if (FLOATP (obj)) return XFLOAT_DATA (obj); | |
| 877 else | |
| 878 { | |
| 879 obj = wrong_type_argument (Qnumber_char_or_marker_p, obj); | |
| 880 goto retry; | |
| 881 } | |
| 882 } | |
| 2001 | 883 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 884 |
| 885 static EMACS_INT | |
|
4885
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Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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diff
changeset
|
886 fixnum_char_or_marker_to_int (Lisp_Object obj) |
| 428 | 887 { |
| 888 retry: | |
|
5581
56144c8593a8
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Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
889 if (FIXNUMP (obj)) return XFIXNUM (obj); |
| 428 | 890 else if (CHARP (obj)) return XCHAR (obj); |
| 891 else if (MARKERP (obj)) return marker_position (obj); | |
| 892 else | |
| 893 { | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
894 /* On bignum builds, we can only be called from #'lognot, which |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
895 protects against this happening: */ |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
896 assert (!BIGNUMP (obj)); |
| 428 | 897 obj = wrong_type_argument (Qinteger_char_or_marker_p, obj); |
| 898 goto retry; | |
| 899 } | |
| 900 } | |
| 901 | |
| 1983 | 902 #ifdef WITH_NUMBER_TYPES |
| 903 | |
| 904 #ifdef HAVE_BIGNUM | |
| 905 #define BIGNUM_CASE(op) \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
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parents:
5768
diff
changeset
|
906 case LAZY_BIGNUM_T: \ |
| 1983 | 907 if (!bignum_##op (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2))) \ |
| 908 return Qnil; \ | |
| 909 break; | |
| 910 #else | |
| 911 #define BIGNUM_CASE(op) | |
| 912 #endif /* HAVE_BIGNUM */ | |
| 913 | |
| 914 #ifdef HAVE_RATIO | |
| 915 #define RATIO_CASE(op) \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
916 case LAZY_RATIO_T: \ |
| 1983 | 917 if (!ratio_##op (XRATIO_DATA (obj1), XRATIO_DATA (obj2))) \ |
| 918 return Qnil; \ | |
| 919 break; | |
| 920 #else | |
| 921 #define RATIO_CASE(op) | |
| 922 #endif /* HAVE_RATIO */ | |
| 923 | |
| 924 #ifdef HAVE_BIGFLOAT | |
| 925 #define BIGFLOAT_CASE(op) \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
926 case LAZY_BIGFLOAT_T: \ |
| 1983 | 927 if (!bigfloat_##op (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2))) \ |
| 928 return Qnil; \ | |
| 929 break; | |
| 930 #else | |
| 931 #define BIGFLOAT_CASE(op) | |
| 932 #endif /* HAVE_BIGFLOAT */ | |
| 933 | |
| 934 #define ARITHCOMPARE_MANY(c_op,op) \ | |
| 935 { \ | |
| 936 REGISTER int i; \ | |
| 937 Lisp_Object obj1, obj2; \ | |
| 938 \ | |
| 939 for (i = 1; i < nargs; i++) \ | |
| 940 { \ | |
| 941 obj1 = args[i - 1]; \ | |
| 942 obj2 = args[i]; \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
943 switch (promote_args_lazy (&obj1, &obj2)) \ |
| 1983 | 944 { \ |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
945 case LAZY_FIXNUM_T: \ |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
946 if (!(XREALFIXNUM (obj1) c_op XREALFIXNUM (obj2))) \ |
| 1983 | 947 return Qnil; \ |
| 948 break; \ | |
| 949 BIGNUM_CASE (op) \ | |
| 950 RATIO_CASE (op) \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
951 case LAZY_FLOAT_T: \ |
| 1983 | 952 if (!(XFLOAT_DATA (obj1) c_op XFLOAT_DATA (obj2))) \ |
| 953 return Qnil; \ | |
| 954 break; \ | |
| 955 BIGFLOAT_CASE (op) \ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
956 case LAZY_MARKER_T: \ |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
957 if (!(byte_marker_position (obj1) c_op \ |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
958 byte_marker_position (obj2))) \ |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
959 return Qnil; \ |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
960 break; \ |
| 1983 | 961 } \ |
| 962 } \ | |
| 963 return Qt; \ | |
| 964 } | |
| 965 #else /* !WITH_NUMBER_TYPES */ | |
|
5769
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
966 /* We don't convert markers lazily here, although we could. It's more |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
967 important that we do this lazily in bytecode, which is the case; see |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
968 bytecode_arithcompare(). |
|
ffc0c5a66ab1
Be lazy converting markers to integers, bytecode_{arithcompare,arithop}().
Aidan Kehoe <kehoea@parhasard.net>
parents:
5768
diff
changeset
|
969 */ |
| 1983 | 970 #define ARITHCOMPARE_MANY(c_op,op) \ |
| 428 | 971 { \ |
| 972 int_or_double iod1, iod2, *p = &iod1, *q = &iod2; \ | |
| 973 Lisp_Object *args_end = args + nargs; \ | |
| 974 \ | |
| 975 number_char_or_marker_to_int_or_double (*args++, p); \ | |
| 976 \ | |
| 977 while (args < args_end) \ | |
| 978 { \ | |
| 979 number_char_or_marker_to_int_or_double (*args++, q); \ | |
| 980 \ | |
| 981 if (!((p->int_p && q->int_p) ? \ | |
| 1983 | 982 (p->c.ival c_op q->c.ival) : \ |
| 983 ((p->int_p ? (double) p->c.ival : p->c.dval) c_op \ | |
| 428 | 984 (q->int_p ? (double) q->c.ival : q->c.dval)))) \ |
| 985 return Qnil; \ | |
| 986 \ | |
| 987 { /* swap */ int_or_double *r = p; p = q; q = r; } \ | |
| 988 } \ | |
| 989 return Qt; \ | |
| 990 } | |
| 1983 | 991 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 992 |
| 993 DEFUN ("=", Feqlsign, 1, MANY, 0, /* | |
| 994 Return t if all the arguments are numerically equal. | |
| 995 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
|
996 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
997 arguments: (FIRST &rest ARGS) |
| 428 | 998 */ |
| 999 (int nargs, Lisp_Object *args)) | |
| 1000 { | |
| 1983 | 1001 ARITHCOMPARE_MANY (==, eql) |
| 428 | 1002 } |
| 1003 | |
| 1004 DEFUN ("<", Flss, 1, MANY, 0, /* | |
| 1005 Return t if the sequence of arguments is monotonically increasing. | |
| 3343 | 1006 |
| 1007 (That is, if there is a second argument, it must be numerically greater than | |
| 1008 the first. If there is a third, it must be numerically greater than the | |
| 1009 second, and so on.) At least one argument is required. | |
| 1010 | |
| 1011 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
|
1012 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1013 arguments: (FIRST &rest ARGS) |
| 428 | 1014 */ |
| 1015 (int nargs, Lisp_Object *args)) | |
| 1016 { | |
| 1983 | 1017 ARITHCOMPARE_MANY (<, lt) |
| 428 | 1018 } |
| 1019 | |
| 1020 DEFUN (">", Fgtr, 1, MANY, 0, /* | |
| 1021 Return t if the sequence of arguments is monotonically decreasing. | |
| 3343 | 1022 |
| 1023 (That is, if there is a second argument, it must be numerically less than | |
| 1024 the first. If there is a third, it must be numerically less than the | |
| 1025 second, and so forth.) At least one argument is required. | |
| 1026 | |
| 428 | 1027 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
|
1028 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1029 arguments: (FIRST &rest ARGS) |
| 428 | 1030 */ |
| 1031 (int nargs, Lisp_Object *args)) | |
| 1032 { | |
| 1983 | 1033 ARITHCOMPARE_MANY (>, gt) |
| 428 | 1034 } |
| 1035 | |
| 1036 DEFUN ("<=", Fleq, 1, MANY, 0, /* | |
| 1037 Return t if the sequence of arguments is monotonically nondecreasing. | |
| 1038 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
|
1039 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
1040 arguments: (FIRST &rest ARGS) |
| 428 | 1041 */ |
| 1042 (int nargs, Lisp_Object *args)) | |
| 1043 { | |
| 1983 | 1044 ARITHCOMPARE_MANY (<=, le) |
| 428 | 1045 } |
| 1046 | |
| 1047 DEFUN (">=", Fgeq, 1, MANY, 0, /* | |
| 1048 Return t if the sequence of arguments is monotonically nonincreasing. | |
| 1049 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
|
1050 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
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1051 arguments: (FIRST &rest ARGS) |
| 428 | 1052 */ |
| 1053 (int nargs, Lisp_Object *args)) | |
| 1054 { | |
| 1983 | 1055 ARITHCOMPARE_MANY (>=, ge) |
| 428 | 1056 } |
| 1057 | |
| 1983 | 1058 /* Unlike all the other comparisons, this is an O(N*N) algorithm. But who |
| 1059 cares? Inspection of all elisp code distributed by xemacs.org shows that | |
| 1060 it is almost always called with 2 arguments, rarely with 3, and never with | |
| 1061 more than 3. The constant factors of algorithms with better asymptotic | |
| 1062 complexity are higher, which means that those algorithms will run SLOWER | |
| 1063 than this one in the common case. Optimize the common case! */ | |
| 428 | 1064 DEFUN ("/=", Fneq, 1, MANY, 0, /* |
| 1065 Return t if no two arguments are numerically equal. | |
| 1066 The arguments may be numbers, characters or markers. | |
|
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1067 |
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1068 arguments: (FIRST &rest ARGS) |
| 428 | 1069 */ |
| 1070 (int nargs, Lisp_Object *args)) | |
| 1071 { | |
| 1983 | 1072 #ifdef WITH_NUMBER_TYPES |
| 1073 REGISTER int i, j; | |
| 1074 Lisp_Object obj1, obj2; | |
| 1075 | |
| 1076 for (i = 0; i < nargs - 1; i++) | |
| 1077 { | |
| 1078 obj1 = args[i]; | |
| 1079 for (j = i + 1; j < nargs; j++) | |
| 1080 { | |
| 1081 obj2 = args[j]; | |
| 1082 switch (promote_args (&obj1, &obj2)) | |
| 1083 { | |
| 1084 case FIXNUM_T: | |
|
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1085 if (XREALFIXNUM (obj1) == XREALFIXNUM (obj2)) |
| 1983 | 1086 return Qnil; |
| 1087 break; | |
| 1088 #ifdef HAVE_BIGNUM | |
| 1089 case BIGNUM_T: | |
| 1090 if (bignum_eql (XBIGNUM_DATA (obj1), XBIGNUM_DATA (obj2))) | |
| 1091 return Qnil; | |
| 1092 break; | |
| 1093 #endif | |
| 1094 #ifdef HAVE_RATIO | |
| 1095 case RATIO_T: | |
| 1096 if (ratio_eql (XRATIO_DATA (obj1), XRATIO_DATA (obj2))) | |
| 1097 return Qnil; | |
| 1098 break; | |
| 1099 #endif | |
| 1100 case FLOAT_T: | |
| 1101 if (XFLOAT_DATA (obj1) == XFLOAT_DATA (obj2)) | |
| 1102 return Qnil; | |
| 1103 break; | |
| 1104 #ifdef HAVE_BIGFLOAT | |
| 1105 case BIGFLOAT_T: | |
| 1106 if (bigfloat_eql (XBIGFLOAT_DATA (obj1), XBIGFLOAT_DATA (obj2))) | |
| 1107 return Qnil; | |
| 1108 break; | |
| 1109 #endif | |
| 1110 } | |
| 1111 } | |
| 1112 } | |
| 1113 return Qt; | |
| 1114 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 1115 Lisp_Object *args_end = args + nargs; |
| 1116 Lisp_Object *p, *q; | |
| 1117 | |
| 1118 /* Unlike all the other comparisons, this is an N*N algorithm. | |
| 1119 We could use a hash table for nargs > 50 to make this linear. */ | |
| 1120 for (p = args; p < args_end; p++) | |
| 1121 { | |
| 1122 int_or_double iod1, iod2; | |
| 1123 number_char_or_marker_to_int_or_double (*p, &iod1); | |
| 1124 | |
| 1125 for (q = p + 1; q < args_end; q++) | |
| 1126 { | |
| 1127 number_char_or_marker_to_int_or_double (*q, &iod2); | |
| 1128 | |
| 1129 if (!((iod1.int_p && iod2.int_p) ? | |
| 1130 (iod1.c.ival != iod2.c.ival) : | |
| 1131 ((iod1.int_p ? (double) iod1.c.ival : iod1.c.dval) != | |
| 1132 (iod2.int_p ? (double) iod2.c.ival : iod2.c.dval)))) | |
| 1133 return Qnil; | |
| 1134 } | |
| 1135 } | |
| 1136 return Qt; | |
| 1983 | 1137 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 1138 } |
| 1139 | |
| 1140 DEFUN ("zerop", Fzerop, 1, 1, 0, /* | |
| 1141 Return t if NUMBER is zero. | |
| 1142 */ | |
| 1143 (number)) | |
| 1144 { | |
| 1145 retry: | |
|
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1146 if (FIXNUMP (number)) |
| 428 | 1147 return EQ (number, Qzero) ? Qt : Qnil; |
| 1983 | 1148 #ifdef HAVE_BIGNUM |
| 1149 else if (BIGNUMP (number)) | |
| 1150 return bignum_sign (XBIGNUM_DATA (number)) == 0 ? Qt : Qnil; | |
| 1151 #endif | |
| 1152 #ifdef HAVE_RATIO | |
| 1153 else if (RATIOP (number)) | |
| 1154 return ratio_sign (XRATIO_DATA (number)) == 0 ? Qt : Qnil; | |
| 1155 #endif | |
| 428 | 1156 else if (FLOATP (number)) |
| 1157 return XFLOAT_DATA (number) == 0.0 ? Qt : Qnil; | |
| 1983 | 1158 #ifdef HAVE_BIGFLOAT |
| 1159 else if (BIGFLOATP (number)) | |
| 1160 return bigfloat_sign (XBIGFLOAT_DATA (number)) == 0 ? Qt : Qnil; | |
| 1161 #endif | |
| 428 | 1162 else |
| 1163 { | |
| 1164 number = wrong_type_argument (Qnumberp, number); | |
| 1165 goto retry; | |
| 1166 } | |
| 1167 } | |
| 1168 | |
| 1169 /* Convert between a 32-bit value and a cons of two 16-bit values. | |
| 1170 This is used to pass 32-bit integers to and from the user. | |
| 1171 Use time_to_lisp() and lisp_to_time() for time values. | |
| 1172 | |
| 1173 If you're thinking of using this to store a pointer into a Lisp Object | |
| 1174 for internal purposes (such as when calling record_unwind_protect()), | |
| 1175 try using make_opaque_ptr()/get_opaque_ptr() instead. */ | |
| 1176 Lisp_Object | |
| 1177 word_to_lisp (unsigned int item) | |
| 1178 { | |
|
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1179 return Fcons (make_fixnum (item >> 16), make_fixnum (item & 0xffff)); |
| 428 | 1180 } |
| 1181 | |
| 1182 unsigned int | |
| 1183 lisp_to_word (Lisp_Object item) | |
| 1184 { | |
|
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1185 if (FIXNUMP (item)) |
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1186 return XFIXNUM (item); |
| 428 | 1187 else |
| 1188 { | |
| 1189 Lisp_Object top = Fcar (item); | |
| 1190 Lisp_Object bot = Fcdr (item); | |
|
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1191 CHECK_FIXNUM (top); |
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1192 CHECK_FIXNUM (bot); |
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1193 return (XFIXNUM (top) << 16) | (XFIXNUM (bot) & 0xffff); |
| 428 | 1194 } |
| 1195 } | |
| 1196 | |
| 1197 | |
| 1198 DEFUN ("number-to-string", Fnumber_to_string, 1, 1, 0, /* | |
| 444 | 1199 Convert NUMBER to a string by printing it in decimal. |
| 428 | 1200 Uses a minus sign if negative. |
| 444 | 1201 NUMBER may be an integer or a floating point number. |
| 1983 | 1202 If supported, it may also be a ratio. |
| 428 | 1203 */ |
| 444 | 1204 (number)) |
| 428 | 1205 { |
| 1983 | 1206 CHECK_NUMBER (number); |
| 428 | 1207 |
| 444 | 1208 if (FLOATP (number)) |
| 428 | 1209 { |
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1210 Ascbyte pigbuf[350]; /* see comments in float_to_string */ |
| 428 | 1211 |
| 444 | 1212 float_to_string (pigbuf, XFLOAT_DATA (number)); |
|
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1213 return build_ascstring (pigbuf); |
| 428 | 1214 } |
| 1983 | 1215 #ifdef HAVE_BIGNUM |
| 1216 if (BIGNUMP (number)) | |
| 1217 { | |
|
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1218 Ascbyte *str = bignum_to_string (XBIGNUM_DATA (number), 10); |
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1219 Lisp_Object retval = build_ascstring (str); |
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1220 xfree (str); |
| 1983 | 1221 return retval; |
| 1222 } | |
| 1223 #endif | |
| 1224 #ifdef HAVE_RATIO | |
| 1225 if (RATIOP (number)) | |
| 1226 { | |
|
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1227 Ascbyte *str = ratio_to_string (XRATIO_DATA (number), 10); |
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1228 Lisp_Object retval = build_ascstring (str); |
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1229 xfree (str); |
| 1983 | 1230 return retval; |
| 1231 } | |
| 1232 #endif | |
| 1233 #ifdef HAVE_BIGFLOAT | |
| 1234 if (BIGFLOATP (number)) | |
| 1235 { | |
|
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1236 Ascbyte *str = bigfloat_to_string (XBIGFLOAT_DATA (number), 10); |
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1237 Lisp_Object retval = build_ascstring (str); |
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1238 xfree (str); |
| 1983 | 1239 return retval; |
| 1240 } | |
| 1241 #endif | |
| 428 | 1242 |
| 603 | 1243 { |
|
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1244 Ascbyte buffer[DECIMAL_PRINT_SIZE (long)]; |
| 603 | 1245 |
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1246 long_to_string (buffer, XFIXNUM (number)); |
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1247 return build_ascstring (buffer); |
| 603 | 1248 } |
| 428 | 1249 } |
| 1250 | |
| 2001 | 1251 #ifndef HAVE_BIGNUM |
| 428 | 1252 static int |
| 1253 digit_to_number (int character, int base) | |
| 1254 { | |
| 1255 /* Assumes ASCII */ | |
| 1256 int digit = ((character >= '0' && character <= '9') ? character - '0' : | |
| 1257 (character >= 'a' && character <= 'z') ? character - 'a' + 10 : | |
| 1258 (character >= 'A' && character <= 'Z') ? character - 'A' + 10 : | |
| 1259 -1); | |
| 1260 | |
| 1261 return digit >= base ? -1 : digit; | |
| 1262 } | |
| 2001 | 1263 #endif |
| 428 | 1264 |
| 1265 DEFUN ("string-to-number", Fstring_to_number, 1, 2, 0, /* | |
| 444 | 1266 Convert STRING to a number by parsing it as a number in base BASE. |
| 428 | 1267 This parses both integers and floating point numbers. |
| 1983 | 1268 If they are supported, it also reads ratios. |
| 428 | 1269 It ignores leading spaces and tabs. |
| 1270 | |
| 444 | 1271 If BASE is nil or omitted, base 10 is used. |
| 1272 BASE must be an integer between 2 and 16 (inclusive). | |
| 428 | 1273 Floating point numbers always use base 10. |
| 1274 */ | |
| 1275 (string, base)) | |
| 1276 { | |
| 1995 | 1277 Ibyte *p; |
| 428 | 1278 int b; |
| 1279 | |
| 1280 CHECK_STRING (string); | |
| 1281 | |
| 1282 if (NILP (base)) | |
| 1283 b = 10; | |
| 1284 else | |
| 1285 { | |
|
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1286 check_integer_range (base, make_fixnum (2), make_fixnum (16)); |
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1287 b = XFIXNUM (base); |
| 428 | 1288 } |
| 1289 | |
| 1995 | 1290 p = XSTRING_DATA (string); |
| 428 | 1291 |
| 1292 /* Skip any whitespace at the front of the number. Some versions of | |
| 1293 atoi do this anyway, so we might as well make Emacs lisp consistent. */ | |
| 1294 while (*p == ' ' || *p == '\t') | |
| 1295 p++; | |
| 1296 | |
| 1995 | 1297 if (isfloat_string ((const char *) p) && b == 10) |
| 1983 | 1298 { |
| 1299 #ifdef HAVE_BIGFLOAT | |
| 1300 if (ZEROP (Vdefault_float_precision)) | |
| 1301 #endif | |
| 1995 | 1302 return make_float (atof ((const char *) p)); |
| 1983 | 1303 #ifdef HAVE_BIGFLOAT |
| 1304 else | |
| 1305 { | |
| 2013 | 1306 /* The GMP version of bigfloat_set_string (mpf_set_str) has the |
| 1307 following limitation: if p starts with a '+' sign, it does | |
| 1308 nothing; i.e., it leaves its bigfloat argument untouched. | |
| 1309 Therefore, move p past any leading '+' signs. */ | |
| 2010 | 1310 if (*p == '+') |
| 1311 p++; | |
| 1983 | 1312 bigfloat_set_prec (scratch_bigfloat, bigfloat_get_default_prec ()); |
| 1995 | 1313 bigfloat_set_string (scratch_bigfloat, (const char *) p, b); |
| 1983 | 1314 return make_bigfloat_bf (scratch_bigfloat); |
| 1315 } | |
| 1316 #endif | |
| 1317 } | |
| 1318 | |
| 1319 #ifdef HAVE_RATIO | |
| 1320 if (qxestrchr (p, '/') != NULL) | |
| 1321 { | |
| 2013 | 1322 /* The GMP version of ratio_set_string (mpq_set_str) has the following |
| 1323 limitations: | |
| 1324 - If p starts with a '+' sign, it does nothing; i.e., it leaves its | |
| 1325 ratio argument untouched. | |
| 1326 - If p has a '+' sign after the '/' (e.g., 300/+400), it sets the | |
| 1327 numerator from the string, but *leaves the denominator unchanged*. | |
| 1328 - If p has trailing nonnumeric characters, it sets the numerator from | |
| 1329 the string, but leaves the denominator unchanged. | |
| 1330 - If p has more than one '/', (e.g., 1/2/3), then it sets the | |
| 1331 numerator from the string, but leaves the denominator unchanged. | |
| 1332 | |
| 1333 Therefore, move p past any leading '+' signs, temporarily drop a null | |
| 1334 after the numeric characters we are trying to convert, and then put | |
| 1335 the nulled character back afterward. I am not going to fix problem | |
| 1336 #2; just don't write ratios that look like that. */ | |
| 1337 Ibyte *end, save; | |
| 1338 | |
| 2010 | 1339 if (*p == '+') |
| 1340 p++; | |
| 2013 | 1341 |
| 2014 | 1342 end = p; |
| 1343 if (*end == '-') | |
| 1344 end++; | |
| 1345 while ((*end >= '0' && *end <= '9') || | |
| 2013 | 1346 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || |
| 2014 | 1347 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) |
| 1348 end++; | |
| 2013 | 1349 if (*end == '/') |
| 2014 | 1350 { |
| 1351 end++; | |
| 1352 if (*end == '-') | |
| 1353 end++; | |
| 1354 while ((*end >= '0' && *end <= '9') || | |
| 1355 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || | |
| 1356 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) | |
| 1357 end++; | |
| 1358 } | |
| 2013 | 1359 save = *end; |
| 1360 *end = '\0'; | |
| 1995 | 1361 ratio_set_string (scratch_ratio, (const char *) p, b); |
| 2013 | 1362 *end = save; |
| 1363 ratio_canonicalize (scratch_ratio); | |
| 1983 | 1364 return make_ratio_rt (scratch_ratio); |
| 1365 } | |
| 1366 #endif /* HAVE_RATIO */ | |
| 1367 | |
| 1368 #ifdef HAVE_BIGNUM | |
| 2013 | 1369 { |
| 1370 /* The GMP version of bignum_set_string (mpz_set_str) has the following | |
| 1371 limitations: | |
| 1372 - If p starts with a '+' sign, it does nothing; i.e., it leaves its | |
| 1373 bignum argument untouched. | |
| 1374 - If p is the empty string, it does nothing. | |
| 1375 - If p has trailing nonnumeric characters, it does nothing. | |
| 1376 | |
| 1377 Therefore, move p past any leading '+' signs, temporarily drop a null | |
| 1378 after the numeric characters we are trying to convert, special case the | |
| 1379 empty string, and then put the nulled character back afterward. */ | |
| 1380 Ibyte *end, save; | |
| 1381 Lisp_Object retval; | |
| 1382 | |
| 1383 if (*p == '+') | |
| 1384 p++; | |
| 2014 | 1385 end = p; |
| 1386 if (*end == '-') | |
| 1387 end++; | |
| 1388 while ((*end >= '0' && *end <= '9') || | |
| 2013 | 1389 (b > 10 && *end >= 'a' && *end <= 'a' + b - 11) || |
| 2014 | 1390 (b > 10 && *end >= 'A' && *end <= 'A' + b - 11)) |
| 1391 end++; | |
| 2013 | 1392 save = *end; |
| 1393 *end = '\0'; | |
| 1394 if (*p == '\0') | |
|
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1395 retval = make_fixnum (0); |
| 2013 | 1396 else |
| 1397 { | |
| 1398 bignum_set_string (scratch_bignum, (const char *) p, b); | |
| 1399 retval = Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 1400 } | |
| 1401 *end = save; | |
| 1402 return retval; | |
| 1403 } | |
| 1983 | 1404 #else |
| 428 | 1405 if (b == 10) |
| 1406 { | |
| 1407 /* Use the system-provided functions for base 10. */ | |
| 1408 #if SIZEOF_EMACS_INT == SIZEOF_INT | |
|
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1409 return make_fixnum (atoi ((char*) p)); |
| 428 | 1410 #elif SIZEOF_EMACS_INT == SIZEOF_LONG |
|
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1411 return make_fixnum (atol ((char*) p)); |
| 428 | 1412 #elif SIZEOF_EMACS_INT == SIZEOF_LONG_LONG |
|
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1413 return make_fixnum (atoll ((char*) p)); |
| 428 | 1414 #endif |
| 1415 } | |
| 1416 else | |
| 1417 { | |
| 444 | 1418 int negative = 1; |
| 428 | 1419 EMACS_INT v = 0; |
| 1420 | |
| 1421 if (*p == '-') | |
| 1422 { | |
| 1423 negative = -1; | |
| 1424 p++; | |
| 1425 } | |
| 1426 else if (*p == '+') | |
| 1427 p++; | |
| 1428 while (1) | |
| 1429 { | |
| 444 | 1430 int digit = digit_to_number (*p++, b); |
| 428 | 1431 if (digit < 0) |
| 1432 break; | |
| 1433 v = v * b + digit; | |
| 1434 } | |
|
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1435 return make_fixnum (negative * v); |
| 428 | 1436 } |
| 1983 | 1437 #endif /* HAVE_BIGNUM */ |
| 428 | 1438 } |
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1439 |
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1440 static int |
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1441 find_highest_value (struct chartab_range * range, Lisp_Object UNUSED (table), |
|
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|
1442 Lisp_Object val, void *extra_arg) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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1443 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1444 Lisp_Object *highest_pointer = (Lisp_Object *) extra_arg; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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5769
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|
1445 Lisp_Object max_seen = *highest_pointer; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1446 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1447 CHECK_FIXNUM (val); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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5769
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|
1448 if (range->type != CHARTAB_RANGE_CHAR) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1449 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1450 invalid_argument ("Not an appropriate char table range", Qunbound); |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1451 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1452 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
1453 if (XFIXNUM (max_seen) < XFIXNUM (val)) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1454 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1455 *highest_pointer = val; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1456 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1457 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1458 return 0; |
|
750fab17b299
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|
1459 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1460 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1461 static int |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1462 fill_ichar_array (struct chartab_range *range, Lisp_Object UNUSED (table), |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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5769
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changeset
|
1463 Lisp_Object val, void *extra_arg) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1464 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1465 Ichar *cctable = (Ichar *) extra_arg; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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5769
diff
changeset
|
1466 EMACS_INT valint = XFIXNUM (val); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1467 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1468 /* Save the value if it hasn't been seen yet. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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diff
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|
1469 if (-1 == cctable[valint]) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1470 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
1471 cctable[valint] = range->ch; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1472 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1473 else |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1474 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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5769
diff
changeset
|
1475 /* Otherwise, save it if the existing value is not uppercase, and this |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1476 one is. Use the standard case table rather than any buffer-specific |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1477 one because a) this can be called early before current_buffer is |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1478 available and b) it's better to have these independent of particular |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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parents:
5769
diff
changeset
|
1479 buffer case tables. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1480 if (current_buffer != NULL && UPCASE (0, range->ch) == range->ch |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1481 && UPCASE (0, cctable[valint]) != cctable[valint]) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1482 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1483 cctable[valint] = range->ch; |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1484 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1485 /* Maybe our own case infrastructure is not available yet. Use the C |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1486 library's. */ |
|
5870
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1487 else if (current_buffer == NULL) |
|
5864
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Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1488 { |
|
5870
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1489 /* The C library can't necessarily handle values outside of |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1490 the range EOF to CHAR_MAX, inclusive. */ |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1491 assert (range->ch == EOF || range->ch <= CHAR_MAX); |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1492 if (isupper (range->ch) && !isupper (cctable[valint])) |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1493 { |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1494 cctable[valint] = range->ch; |
|
df50aaeddca5
Don't tickle an unreasonable but standard C lib limitation, thank you Vin!
Aidan Kehoe <kehoea@parhasard.net>
parents:
5867
diff
changeset
|
1495 } |
|
5864
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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diff
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|
1496 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1497 /* Otherwise, save it if this character has a numerically lower value |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1498 (preferring ASCII over fullwidth Chinese and so on). */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1499 else if (range->ch < cctable[valint]) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1500 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1501 cctable[valint] = range->ch; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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parents:
5769
diff
changeset
|
1502 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1503 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1504 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1505 return 0; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1506 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1507 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1508 static Lisp_Object |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1509 build_fixnum_to_char_map (Lisp_Object radix_table) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1510 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1511 Lisp_Object highest_value, result; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1512 struct chartab_range ctr = { CHARTAB_RANGE_ALL, 0, Qnil, 0 }; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1513 Ichar *cctable; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1514 EMACS_INT ii, cclen; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1515 Ibyte *data; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1516 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1517 /* What's the greatest fixnum value seen? In passing, check all the char |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
changeset
|
1518 table values are fixnums. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1519 CHECK_FIXNUM (XCHAR_TABLE (radix_table)->default_); |
|
5873
5a311f1f46aa
Don't extract a fixnum value unnecessarily, thank you Robert Delius Royar
Aidan Kehoe <kehoea@parhasard.net>
parents:
5871
diff
changeset
|
1520 highest_value = XCHAR_TABLE (radix_table)->default_; |
|
5a311f1f46aa
Don't extract a fixnum value unnecessarily, thank you Robert Delius Royar
Aidan Kehoe <kehoea@parhasard.net>
parents:
5871
diff
changeset
|
1521 |
|
5864
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1522 map_char_table (radix_table, &ctr, find_highest_value, &highest_value); |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1523 cclen = XFIXNUM (highest_value) + 1; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1524 |
|
5876
0cebf04c18b5
Use cast for malloc call to satisfy VS6
Vin Shelton <acs@xemacs.org>
parents:
5873
diff
changeset
|
1525 cctable = (Ichar *)malloc (sizeof (Ichar) * cclen); |
|
5864
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1526 if (cctable == NULL) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1527 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
1528 out_of_memory ("Could not allocate data for `digit-char'", Qunbound); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1529 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
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diff
changeset
|
1530 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1531 for (ii = 0; ii < cclen; ++ii) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1532 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1533 cctable[ii] = (Ichar) -1; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1534 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1535 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1536 map_char_table (radix_table, &ctr, fill_ichar_array, cctable); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1537 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1538 for (ii = 0; ii < cclen; ++ii) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1539 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1540 if (cctable[ii] < 0) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1541 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1542 free (cctable); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
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|
1543 invalid_argument ("No digit specified for weight", make_fixnum (ii)); |
|
750fab17b299
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|
1544 } |
|
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|
1545 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1546 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1547 result = Fmake_string (make_fixnum (cclen * MAX_ICHAR_LEN), make_char (0)); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1548 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
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|
1549 data = XSTRING_DATA (result); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
diff
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|
1550 for (ii = 0; ii < cclen; ii++) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1551 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1552 set_itext_ichar (data + (MAX_ICHAR_LEN * ii), cctable[ii]); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1553 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1554 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1555 init_string_ascii_begin (result); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1556 bump_string_modiff (result); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1557 sledgehammer_check_ascii_begin (result); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1558 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1559 free (cctable); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1560 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1561 return result; |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1562 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1563 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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5769
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|
1564 DEFUN ("set-digit-fixnum-map", Fset_digit_fixnum_map, 1, 1, 0, /* |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1565 Set the value of `digit-fixnum-map', which see. |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1566 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1567 Also check that RADIX-TABLE is well-formed from the perspective of |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1568 `parse-integer' and `digit-char-p', and create an internal inverse mapping |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
1569 for `digit-char', so that all three functions behave consistently. |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1570 |
|
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|
1571 RADIX-TABLE itself is not saved, a read-only copy of it is made and returned. |
|
750fab17b299
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|
1572 */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1573 (radix_table)) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
1574 { |
|
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|
1575 Lisp_Object ftctable = Qnil; |
|
750fab17b299
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|
1576 |
|
750fab17b299
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|
1577 CHECK_CHAR_TABLE (radix_table); |
|
750fab17b299
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|
1578 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1579 /* Create a table for `digit-char', checking the consistency of |
|
750fab17b299
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|
1580 radix_table while doing so. */ |
|
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|
1581 ftctable = build_fixnum_to_char_map (radix_table); |
|
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|
1582 |
|
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|
1583 Vdigit_fixnum_map = Fcopy_char_table (radix_table); |
|
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1584 LISP_READONLY (Vdigit_fixnum_map) = 1; |
|
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|
1585 Vfixnum_to_char_map = ftctable; |
|
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|
1586 |
|
750fab17b299
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|
1587 return Vdigit_fixnum_map; |
|
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|
1588 } |
|
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|
1589 |
|
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|
1590 DEFUN ("digit-char-p", Fdigit_char_p, 1, 3, 0, /* |
|
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|
1591 Return non-nil if CHARACTER represents a digit in base RADIX. |
|
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|
1592 |
|
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changeset
|
1593 RADIX defaults to ten. The actual non-nil value returned is the integer |
|
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|
1594 value of the character in base RADIX. |
|
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|
1595 |
|
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changeset
|
1596 RADIX-TABLE, if non-nil, is a character table describing characters' numeric |
|
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changeset
|
1597 values. See `parse-integer' and `digit-fixnum-map'. |
|
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|
1598 */ |
|
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|
1599 (character, radix, radix_table)) |
|
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|
1600 { |
|
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|
1601 Lisp_Object got = Qnil; |
|
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|
1602 EMACS_INT radixing, val; |
|
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|
1603 Ichar cc; |
|
750fab17b299
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|
1604 |
|
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|
1605 CHECK_CHAR (character); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1606 cc = XCHAR (character); |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
1607 |
|
750fab17b299
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|
1608 if (!NILP (radix)) |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1609 { |
|
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|
1610 check_integer_range (radix, Qzero, |
|
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|
1611 NILP (radix_table) ? |
|
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|
1612 /* If we are using the default radix table, the |
|
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|
1613 maximum possible value for the radix is |
|
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|
1614 available to us now. */ |
|
750fab17b299
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|
1615 make_fixnum |
|
750fab17b299
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|
1616 (XSTRING_LENGTH (Vfixnum_to_char_map) |
|
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|
1617 / MAX_ICHAR_LEN) |
|
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|
1618 /* Otherwise, calculating that is expensive. Check |
|
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|
1619 at least that the radix is not a bignum, the |
|
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|
1620 maximum count of characters available will not |
|
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changeset
|
1621 exceed the size of a fixnum. */ |
|
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|
1622 : make_fixnum (MOST_POSITIVE_FIXNUM)); |
|
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changeset
|
1623 radixing = XFIXNUM (radix); |
|
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|
1624 } |
|
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|
1625 else |
|
750fab17b299
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changeset
|
1626 { |
|
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|
1627 radixing = 10; |
|
750fab17b299
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|
1628 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1629 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1630 if (NILP (radix_table)) |
|
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|
1631 { |
|
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changeset
|
1632 radix_table = Vdigit_fixnum_map; |
|
750fab17b299
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changeset
|
1633 } |
|
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|
1634 |
|
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changeset
|
1635 got = get_char_table (cc, radix_table); |
|
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changeset
|
1636 CHECK_FIXNUM (got); |
|
750fab17b299
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changeset
|
1637 val = XFIXNUM (got); |
|
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|
1638 |
|
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changeset
|
1639 if (val < 0 || val >= radixing) |
|
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|
1640 { |
|
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changeset
|
1641 return Qnil; |
|
750fab17b299
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|
1642 } |
|
750fab17b299
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|
1643 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1644 return make_fixnum (val); |
|
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1645 } |
|
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1646 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1647 DEFUN ("digit-char", Fdigit_char, 1, 3, 0, /* |
|
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1648 Return a character representing the integer WEIGHT in base RADIX. |
|
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1649 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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1650 RADIX defaults to ten. If no such character exists, return nil. `digit-char' |
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1651 prefers an upper case character if available. RADIX must be a non-negative |
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|
1652 integer of value less than the maximum value in RADIX-TABLE. |
|
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|
1653 |
|
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|
1654 RADIX-TABLE, if non-nil, is a character table describing characters' numeric |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1655 values. It defaults to the value of `digit-fixnum-map'; see the documentation |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1656 for that variable and for `parse-integer'. This is not specified by Common |
|
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|
1657 Lisp, and using a value other than the default in `digit-char' is expensive, |
|
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|
1658 since the inverse map needs to be calculated. |
|
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|
1659 */ |
|
750fab17b299
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|
1660 (weight, radix, radix_table)) |
|
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|
1661 { |
|
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|
1662 EMACS_INT radixing = 10, weighting; |
|
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1663 Lisp_Object fixnum_to_char_table = Qnil; |
|
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|
1664 Ichar cc; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1665 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1666 CHECK_NATNUM (weight); |
|
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|
1667 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1668 if (!NILP (radix_table) && !EQ (radix_table, Vdigit_fixnum_map)) |
|
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1669 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1670 CHECK_CHAR_TABLE (radix_table); |
|
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|
1671 /* The result of this isn't GCPROd, but the rest of this function |
|
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|
1672 won't GC and continue. */ |
|
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|
1673 fixnum_to_char_table = build_fixnum_to_char_map (radix_table); |
|
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1674 } |
|
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|
1675 else |
|
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|
1676 { |
|
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|
1677 fixnum_to_char_table = Vfixnum_to_char_map; |
|
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1678 } |
|
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|
1679 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1680 if (!NILP (radix)) |
|
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|
1681 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1682 check_integer_range (radix, Qzero, |
|
750fab17b299
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|
1683 make_fixnum (XSTRING_LENGTH (fixnum_to_char_table) |
|
750fab17b299
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|
1684 / MAX_ICHAR_LEN)); |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1685 radixing = XFIXNUM (radix); |
|
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|
1686 } |
|
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|
1687 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1688 /* If weight is in its canonical form (and there's no reason to think it |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1689 isn't), Vfixnum_to_char_map can't be long enough to handle |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1690 this. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1691 if (BIGNUMP (weight)) |
|
750fab17b299
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|
1692 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1693 return Qnil; |
|
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|
1694 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1695 |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1696 weighting = XFIXNUM (weight); |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1697 |
|
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|
1698 if (weighting < radixing) |
|
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|
1699 { |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1700 cc = itext_ichar (XSTRING_DATA (fixnum_to_char_table) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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|
1701 + MAX_ICHAR_LEN * weighting); |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
1702 return make_char (cc); |
|
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|
1703 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1704 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1705 return Qnil; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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|
1706 } |
|
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1707 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1708 Lisp_Object |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
1709 parse_integer (const Ibyte *buf, Ibyte **buf_end_out, Bytecount len, |
|
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|
1710 EMACS_INT base, Boolint junk_allowed, Lisp_Object radix_table) |
|
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|
1711 { |
|
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|
1712 const Ibyte *lim = buf + len, *p = buf; |
|
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|
1713 EMACS_UINT num = 0, onum = (EMACS_UINT) -1; |
|
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|
1714 EMACS_UINT fixnum_limit = MOST_POSITIVE_FIXNUM; |
|
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|
1715 EMACS_INT cint = 0; |
|
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|
1716 Boolint negativland = 0; |
|
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|
1717 Ichar c = -1; |
|
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|
1718 Lisp_Object result = Qnil, got = Qnil; |
|
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|
1719 |
|
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|
1720 if (NILP (radix_table)) |
|
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|
1721 { |
|
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|
1722 radix_table = Vdigit_fixnum_map; |
|
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|
1723 } |
|
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|
1724 |
|
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|
1725 /* This function ignores the current buffer's syntax table. |
|
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|
1726 Respecting it will probably introduce more bugs than it fixes. */ |
|
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|
1727 update_mirror_syntax_if_dirty (XCHAR_TABLE (Vstandard_syntax_table)-> |
|
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|
1728 mirror_table); |
|
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|
1729 |
|
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|
1730 /* Ignore leading whitespace, if that leading whitespace has no |
|
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|
1731 numeric value. */ |
|
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|
1732 while (p < lim) |
|
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|
1733 { |
|
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|
1734 c = itext_ichar (p); |
|
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|
1735 if (!(((got = get_char_table (c, radix_table), FIXNUMP (got)) |
|
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|
1736 && ((cint = XFIXNUM (got), cint < 0) || cint >= base)) |
|
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|
1737 && (SYNTAX (XCHAR_TABLE (Vstandard_syntax_table)->mirror_table, |
|
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|
1738 c) == Swhitespace))) |
|
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|
1739 { |
|
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|
1740 break; |
|
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|
1741 } |
|
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|
1742 |
|
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|
1743 INC_IBYTEPTR (p); |
|
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|
1744 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1745 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1746 /* Drop sign information if appropriate. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1747 if (c == '-') |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1748 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1749 negativland = 1; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1750 fixnum_limit = - MOST_NEGATIVE_FIXNUM; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1751 INC_IBYTEPTR (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1752 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1753 else if (c == '+') |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1754 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1755 got = get_char_table (c, radix_table); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1756 cint = FIXNUMP (got) ? XFIXNUM (got) : -1; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1757 /* If ?+ has no integer weight, drop it. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1758 if (cint < 0 || cint >= base) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1759 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1760 INC_IBYTEPTR (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1761 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1762 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1763 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1764 while (p < lim) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1765 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1766 c = itext_ichar (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1767 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1768 got = get_char_table (c, radix_table); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1769 if (!FIXNUMP (got)) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1770 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1771 goto loser; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1772 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1773 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1774 cint = XFIXNUM (got); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1775 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1776 if (cint < 0 || cint >= base) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1777 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1778 goto loser; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1779 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1780 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1781 onum = num; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1782 num *= base; |
|
5886
c96000075e49
Be more careful about C integer overflow, #'parse-integer.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5876
diff
changeset
|
1783 if (num > fixnum_limit || num < onum) |
|
5864
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1784 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1785 goto overflow; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1786 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1787 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1788 num += cint; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1789 if (num > fixnum_limit) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1790 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1791 goto overflow; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1792 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1793 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1794 INC_IBYTEPTR (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1795 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1796 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1797 if (onum == (EMACS_UINT) -1) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1798 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1799 /* No digits seen, we may need to error. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1800 goto loser; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1801 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1802 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1803 if (negativland) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1804 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1805 result = make_fixnum (- (EMACS_INT) num); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1806 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1807 else |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1808 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1809 result = make_fixnum (num); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1810 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1811 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1812 *buf_end_out = (Ibyte *) p; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1813 return result; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1814 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1815 overflow: |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1816 #ifndef HAVE_BIGNUM |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1817 return Fsignal (Qinvalid_argument, |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1818 list3 (build_msg_string ("Integer constant overflow"), |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1819 make_string (buf, len), make_fixnum (base))); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1820 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1821 #else /* HAVE_BIGNUM */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1822 result = make_bignum_emacs_uint (onum); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1823 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1824 bignum_set_emacs_int (scratch_bignum, base); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1825 bignum_set_emacs_int (scratch_bignum2, cint); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1826 bignum_mul (XBIGNUM_DATA (result), XBIGNUM_DATA (result), scratch_bignum); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1827 bignum_add (XBIGNUM_DATA (result), XBIGNUM_DATA (result), scratch_bignum2); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1828 INC_IBYTEPTR (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1829 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1830 assert (!bignum_fits_emacs_int_p (XBIGNUM_DATA (result)) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1831 || (fixnum_limit |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1832 < (EMACS_UINT) bignum_to_emacs_int (XBIGNUM_DATA (result)))); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1833 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1834 while (p < lim) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1835 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1836 c = itext_ichar (p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1837 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1838 got = get_char_table (c, radix_table); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1839 if (!FIXNUMP (got)) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1840 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1841 goto loser; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1842 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1843 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1844 cint = XFIXNUM (got); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1845 if (cint < 0 || cint >= base) |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1846 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
1847 goto loser; |
|
750fab17b299
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1848 } |
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1849 |
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1850 bignum_set_emacs_int (scratch_bignum2, cint); |
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1851 bignum_mul (XBIGNUM_DATA (result), XBIGNUM_DATA (result), |
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1852 scratch_bignum); |
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1853 bignum_add (XBIGNUM_DATA (result), XBIGNUM_DATA (result), |
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1854 scratch_bignum2); |
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1855 |
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1856 INC_IBYTEPTR (p); |
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1857 } |
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1858 |
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1859 if (negativland) |
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1860 { |
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1861 bignum_set_long (scratch_bignum, -1L); |
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1862 bignum_mul (XBIGNUM_DATA (result), XBIGNUM_DATA (result), |
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1863 scratch_bignum); |
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1864 } |
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1865 |
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1866 *buf_end_out = (Ibyte *) p; |
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1867 return result; |
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1868 #endif /* HAVE_BIGNUM */ |
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1869 loser: |
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1870 |
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1871 if (p < lim && !junk_allowed) |
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1872 { |
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1873 /* JUNK-ALLOWED is zero. If we have stopped parsing because we |
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1874 encountered whitespace, then we need to check that the rest if the |
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1875 string is whitespace and whitespace alone if we are not to error. |
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1876 |
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1877 Perhaps surprisingly, if JUNK-ALLOWED is zero, the parse is regarded |
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1878 as including the trailing whitespace, so the second value returned is |
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1879 always the length of the string. */ |
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1880 while (p < lim) |
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1881 { |
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1882 c = itext_ichar (p); |
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1883 if (!(SYNTAX (XCHAR_TABLE (Vstandard_syntax_table)->mirror_table, c) |
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1884 == Swhitespace)) |
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1885 { |
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1886 break; |
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1887 } |
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1888 |
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1889 INC_IBYTEPTR (p); |
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1890 } |
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1891 } |
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1892 |
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1893 *buf_end_out = (Ibyte *) p; |
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1894 |
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1895 if (junk_allowed || (p == lim && onum != (EMACS_UINT) -1)) |
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1896 { |
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1897 |
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1898 #ifdef HAVE_BIGNUM |
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1899 if (!NILP (result)) |
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1900 { |
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1901 /* Bignum terminated by whitespace or by non-digit. */ |
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1902 return Fcanonicalize_number (result); |
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1903 } |
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1904 #endif |
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1905 |
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1906 if (onum == (EMACS_UINT) -1) |
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1907 { |
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1908 /* No integer digits seen, but junk allowed, so no indication to |
|
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|
1909 error. Return nil. */ |
|
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1910 return Qnil; |
|
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1911 } |
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1912 |
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1913 if (negativland) |
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1914 { |
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1915 assert ((- (EMACS_INT) num) >= MOST_NEGATIVE_FIXNUM); |
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1916 result = make_fixnum (- (EMACS_INT) num); |
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1917 } |
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1918 else |
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1919 { |
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1920 assert ((EMACS_INT) num <= MOST_POSITIVE_FIXNUM); |
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1921 result = make_fixnum (num); |
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1922 } |
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1923 |
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1924 return result; |
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1925 } |
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|
1926 |
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1927 return Fsignal (Qinvalid_argument, |
|
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1928 list3 (build_msg_string ("Invalid integer syntax"), |
|
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|
1929 make_string (buf, len), make_fixnum (base))); |
|
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1930 } |
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1931 |
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1932 DEFUN ("parse-integer", Fparse_integer, 1, MANY, 0, /* |
|
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1933 Parse and return the integer represented by STRING using RADIX. |
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1934 |
|
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1935 START and END are bounding index designators, as used in `remove*'. START |
|
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1936 defaults to 0 and END defaults to nil, meaning the end of STRING. |
|
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|
1937 |
|
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1938 If JUNK-ALLOWED is nil, error if STRING does not consist in its entirety of |
|
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changeset
|
1939 the representation of an integer, with or without surrounding whitespace |
|
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1940 characters. |
|
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changeset
|
1941 |
|
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changeset
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1942 If RADIX-TABLE is non-nil, it is a char table mapping from characters to |
|
750fab17b299
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changeset
|
1943 fixnums used with RADIX. Otherwise, `digit-fixnum-map' provides the |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1944 correspondence to use. |
|
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changeset
|
1945 |
|
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|
1946 RADIX must always be a non-negative fixnum. RADIX-TABLE constrains its |
|
750fab17b299
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changeset
|
1947 possible values further, and the maximum RADIX available is always the largest |
|
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changeset
|
1948 positive value available RADIX-TABLE. |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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changeset
|
1949 |
|
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1950 If RADIX-TABLE (or `digit-fixnum-map') assigns a numeric value to `-', its |
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1951 digit value will be ignored if ?- is the first character in a string. The |
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1952 number will be treated as negative. To work around this, double it, or assign |
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1953 another character the value zero and prefix non-negative strings with that. A |
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1954 digit value for ?+ will be respected even if it is the first character in the |
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1955 representation of an integer. |
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1956 |
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1957 arguments: (STRING &key (START 0) end (RADIX 10) junk-allowed radix-table) |
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1958 */ |
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1959 (int nargs, Lisp_Object *args)) |
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1960 { |
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1961 Lisp_Object string = args[0], result; |
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1962 Charcount starting = 0, ending = MOST_POSITIVE_FIXNUM + 1, ii = 0; |
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1963 Bytecount byte_len; |
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1964 Ibyte *startp, *cursor, *end_read, *limit, *saved_start; |
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1965 EMACS_INT radixing; |
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1966 |
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1967 PARSE_KEYWORDS (Fparse_integer, nargs, args, 5, |
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1968 (start, end, radix, junk_allowed, radix_table), |
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1969 (start = Qzero, radix = make_fixnum (10))); |
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1970 |
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1971 CHECK_STRING (string); |
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1972 CHECK_NATNUM (start); |
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1973 starting = BIGNUMP (start) ? 1 + MOST_POSITIVE_FIXNUM : XFIXNUM (start); |
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1974 if (!NILP (end)) |
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1975 { |
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1976 CHECK_NATNUM (end); |
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1977 ending = BIGNUMP (end) ? 1 + MOST_POSITIVE_FIXNUM : XFIXNUM (end); |
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1978 } |
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1979 |
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1980 if (!NILP (radix_table)) |
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1981 { |
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1982 CHECK_CHAR_TABLE (radix_table); |
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1983 } |
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1984 else |
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1985 { |
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1986 radix_table = Vdigit_fixnum_map; |
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1987 } |
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1988 |
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1989 check_integer_range (radix, Qzero, |
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1990 EQ (radix_table, Vdigit_fixnum_map) ? |
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1991 make_fixnum (XSTRING_LENGTH (Vfixnum_to_char_map) |
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1992 / MAX_ICHAR_LEN) |
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1993 /* Non-default radix table; calculating the upper limit |
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1994 is is expensive. Check at least that the radix is |
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1995 not a bignum, the maximum count of characters |
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1996 available in our XEmacs will not exceed the size of |
|
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1997 a fixnum. */ |
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1998 : make_fixnum (MOST_POSITIVE_FIXNUM)); |
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1999 radixing = XFIXNUM (radix); |
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2000 |
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2001 startp = cursor = saved_start = XSTRING_DATA (string); |
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2002 byte_len = XSTRING_LENGTH (string); |
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2003 limit = startp + byte_len; |
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2004 |
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2005 while (cursor < limit && ii < ending) |
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2006 { |
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2007 INC_IBYTEPTR (cursor); |
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2008 if (ii < starting) |
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2009 { |
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2010 startp = cursor; |
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2011 } |
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2012 ii++; |
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2013 } |
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2014 |
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2015 if (ii < starting || (ii < ending && !NILP (end))) |
|
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2016 { |
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2017 check_sequence_range (string, start, end, Flength (string)); |
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2018 } |
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2019 |
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2020 result = parse_integer (startp, &end_read, cursor - startp, radixing, |
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2021 !NILP (junk_allowed), radix_table); |
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2022 |
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2023 /* This code hasn't been written to handle relocating string data. */ |
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2024 assert (saved_start == XSTRING_DATA (string)); |
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2025 |
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2026 return values2 (result, make_fixnum (string_index_byte_to_char |
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2027 (string, end_read - saved_start))); |
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2028 } |
| 428 | 2029 |
| 2030 DEFUN ("+", Fplus, 0, MANY, 0, /* | |
| 2031 Return sum of any number of arguments. | |
| 2032 The arguments should all be numbers, characters or markers. | |
|
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2033 |
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|
2034 arguments: (&rest ARGS) |
| 428 | 2035 */ |
| 2036 (int nargs, Lisp_Object *args)) | |
| 2037 { | |
| 1983 | 2038 #ifdef WITH_NUMBER_TYPES |
| 2039 REGISTER int i; | |
|
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|
2040 Lisp_Object accum = make_fixnum (0), addend; |
| 1983 | 2041 |
| 2042 for (i = 0; i < nargs; i++) | |
| 2043 { | |
| 2044 addend = args[i]; | |
| 2045 switch (promote_args (&accum, &addend)) | |
| 2046 { | |
| 2047 case FIXNUM_T: | |
|
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|
2048 accum = make_integer (XREALFIXNUM (accum) + XREALFIXNUM (addend)); |
| 1983 | 2049 break; |
| 2050 #ifdef HAVE_BIGNUM | |
| 2051 case BIGNUM_T: | |
|
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|
2052 bignum_add (XBIGNUM_DATA (accum), XBIGNUM_DATA (accum), |
| 1983 | 2053 XBIGNUM_DATA (addend)); |
| 2054 break; | |
| 2055 #endif | |
| 2056 #ifdef HAVE_RATIO | |
| 2057 case RATIO_T: | |
|
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Convert C (un)signed long long values to bignums properly.
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|
2058 ratio_add (XRATIO_DATA (accum), XRATIO_DATA (accum), |
| 1983 | 2059 XRATIO_DATA (addend)); |
| 2060 break; | |
| 2061 #endif | |
| 2062 case FLOAT_T: | |
| 2063 accum = make_float (XFLOAT_DATA (accum) + XFLOAT_DATA (addend)); | |
| 2064 break; | |
| 2065 #ifdef HAVE_BIGFLOAT | |
| 2066 case BIGFLOAT_T: | |
|
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|
2067 bigfloat_set_prec (XBIGFLOAT_DATA (accum), |
| 1983 | 2068 max (XBIGFLOAT_GET_PREC (addend), |
| 2069 XBIGFLOAT_GET_PREC (accum))); | |
|
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|
2070 bigfloat_add (XBIGFLOAT_DATA (accum), XBIGFLOAT_DATA (accum), |
| 1983 | 2071 XBIGFLOAT_DATA (addend)); |
| 2072 break; | |
| 2073 #endif | |
| 2074 } | |
| 2075 } | |
| 2076 return Fcanonicalize_number (accum); | |
| 2077 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2078 EMACS_INT iaccum = 0; |
| 2079 Lisp_Object *args_end = args + nargs; | |
| 2080 | |
| 2081 while (args < args_end) | |
| 2082 { | |
| 2083 int_or_double iod; | |
| 2084 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2085 if (iod.int_p) | |
| 2086 iaccum += iod.c.ival; | |
| 2087 else | |
| 2088 { | |
| 2089 double daccum = (double) iaccum + iod.c.dval; | |
| 2090 while (args < args_end) | |
| 2091 daccum += number_char_or_marker_to_double (*args++); | |
| 2092 return make_float (daccum); | |
| 2093 } | |
| 2094 } | |
| 2095 | |
|
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|
2096 return make_fixnum (iaccum); |
| 1983 | 2097 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2098 } |
| 2099 | |
| 2100 DEFUN ("-", Fminus, 1, MANY, 0, /* | |
| 2101 Negate number or subtract numbers, characters or markers. | |
| 2102 With one arg, negates it. With more than one arg, | |
| 2103 subtracts all but the first from the first. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2104 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2105 arguments: (FIRST &rest ARGS) |
| 428 | 2106 */ |
| 2107 (int nargs, Lisp_Object *args)) | |
| 2108 { | |
| 1983 | 2109 #ifdef WITH_NUMBER_TYPES |
| 2110 REGISTER int i; | |
| 2111 Lisp_Object accum = args[0], subtrahend; | |
| 2112 | |
| 2113 if (nargs == 1) | |
| 2114 { | |
| 2115 if (CHARP (accum)) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2116 accum = make_fixnum (XCHAR (accum)); |
| 1983 | 2117 else if (MARKERP (accum)) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2118 accum = make_fixnum (marker_position (accum)); |
| 1983 | 2119 |
| 2120 /* Invert the sign of accum */ | |
| 2121 CHECK_NUMBER (accum); | |
| 2122 switch (get_number_type (accum)) | |
| 2123 { | |
| 2124 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2125 return make_integer (-XREALFIXNUM (accum)); |
| 1983 | 2126 #ifdef HAVE_BIGNUM |
| 2127 case BIGNUM_T: | |
| 2128 bignum_neg (scratch_bignum, XBIGNUM_DATA (accum)); | |
| 2129 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 2130 #endif | |
| 2131 #ifdef HAVE_RATIO | |
| 2132 case RATIO_T: | |
| 2133 ratio_neg (scratch_ratio, XRATIO_DATA (accum)); | |
| 2134 return make_ratio_rt (scratch_ratio); | |
| 2135 #endif | |
| 2136 case FLOAT_T: | |
| 2137 return make_float (-XFLOAT_DATA (accum)); | |
| 2138 #ifdef HAVE_BIGFLOAT | |
| 2139 case BIGFLOAT_T: | |
| 2140 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (accum)); | |
| 2141 bigfloat_neg (scratch_bigfloat, XBIGFLOAT_DATA (accum)); | |
| 2142 return make_bigfloat_bf (scratch_bigfloat); | |
| 2143 #endif | |
| 2144 } | |
| 2145 } | |
| 2146 else | |
| 2147 { | |
| 2148 /* Subtrace the remaining arguments from accum */ | |
| 2149 for (i = 1; i < nargs; i++) | |
| 2150 { | |
| 2151 subtrahend = args[i]; | |
| 2152 switch (promote_args (&accum, &subtrahend)) | |
| 2153 { | |
| 2154 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2155 accum = make_integer (XREALFIXNUM (accum) - XREALFIXNUM (subtrahend)); |
| 1983 | 2156 break; |
| 2157 #ifdef HAVE_BIGNUM | |
| 2158 case BIGNUM_T: | |
| 2159 bignum_sub (scratch_bignum, XBIGNUM_DATA (accum), | |
| 2160 XBIGNUM_DATA (subtrahend)); | |
| 2161 accum = make_bignum_bg (scratch_bignum); | |
| 2162 break; | |
| 2163 #endif | |
| 2164 #ifdef HAVE_RATIO | |
| 2165 case RATIO_T: | |
| 2166 ratio_sub (scratch_ratio, XRATIO_DATA (accum), | |
| 2167 XRATIO_DATA (subtrahend)); | |
| 2168 accum = make_ratio_rt (scratch_ratio); | |
| 2169 break; | |
| 2170 #endif | |
| 2171 case FLOAT_T: | |
| 2172 accum = | |
| 2173 make_float (XFLOAT_DATA (accum) - XFLOAT_DATA (subtrahend)); | |
| 2174 break; | |
| 2175 #ifdef HAVE_BIGFLOAT | |
| 2176 case BIGFLOAT_T: | |
| 2177 bigfloat_set_prec (scratch_bigfloat, | |
| 2178 max (XBIGFLOAT_GET_PREC (subtrahend), | |
| 2179 XBIGFLOAT_GET_PREC (accum))); | |
| 2180 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 2181 XBIGFLOAT_DATA (subtrahend)); | |
| 2182 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 2183 break; | |
| 2184 #endif | |
| 2185 } | |
| 2186 } | |
| 2187 } | |
| 2188 return Fcanonicalize_number (accum); | |
| 2189 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2190 EMACS_INT iaccum; |
| 2191 double daccum; | |
| 2192 Lisp_Object *args_end = args + nargs; | |
| 2193 int_or_double iod; | |
| 2194 | |
| 2195 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2196 if (iod.int_p) | |
| 2197 iaccum = nargs > 1 ? iod.c.ival : - iod.c.ival; | |
| 2198 else | |
| 2199 { | |
| 2200 daccum = nargs > 1 ? iod.c.dval : - iod.c.dval; | |
| 2201 goto do_float; | |
| 2202 } | |
| 2203 | |
| 2204 while (args < args_end) | |
| 2205 { | |
| 2206 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2207 if (iod.int_p) | |
| 2208 iaccum -= iod.c.ival; | |
| 2209 else | |
| 2210 { | |
| 2211 daccum = (double) iaccum - iod.c.dval; | |
| 2212 goto do_float; | |
| 2213 } | |
| 2214 } | |
| 2215 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2216 return make_fixnum (iaccum); |
| 428 | 2217 |
| 2218 do_float: | |
| 2219 for (; args < args_end; args++) | |
| 2220 daccum -= number_char_or_marker_to_double (*args); | |
| 2221 return make_float (daccum); | |
| 1983 | 2222 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2223 } |
| 2224 | |
| 2225 DEFUN ("*", Ftimes, 0, MANY, 0, /* | |
| 2226 Return product of any number of arguments. | |
| 2227 The arguments should all 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
|
2228 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2229 arguments: (&rest ARGS) |
| 428 | 2230 */ |
| 2231 (int nargs, Lisp_Object *args)) | |
| 2232 { | |
| 1983 | 2233 #ifdef WITH_NUMBER_TYPES |
| 2234 REGISTER int i; | |
| 2235 /* Start with a bignum to avoid overflow */ | |
| 2236 Lisp_Object accum = make_bignum (1L), multiplier; | |
| 2237 | |
| 2238 for (i = 0; i < nargs; i++) | |
| 2239 { | |
| 2240 multiplier = args[i]; | |
| 2241 switch (promote_args (&accum, &multiplier)) | |
| 2242 { | |
| 2243 #ifdef HAVE_BIGNUM | |
| 2244 case BIGNUM_T: | |
|
5736
3192994c49ca
Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
parents:
5582
diff
changeset
|
2245 bignum_mul (XBIGNUM_DATA (accum), XBIGNUM_DATA (accum), |
| 1983 | 2246 XBIGNUM_DATA (multiplier)); |
| 2247 break; | |
| 2248 #endif | |
| 2249 #ifdef HAVE_RATIO | |
| 2250 case RATIO_T: | |
|
5736
3192994c49ca
Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
parents:
5582
diff
changeset
|
2251 ratio_mul (XRATIO_DATA (accum), XRATIO_DATA (accum), |
| 1983 | 2252 XRATIO_DATA (multiplier)); |
| 2253 break; | |
| 2254 #endif | |
| 2255 case FLOAT_T: | |
| 2256 accum = make_float (XFLOAT_DATA (accum) * XFLOAT_DATA (multiplier)); | |
| 2257 break; | |
| 2258 #ifdef HAVE_BIGFLOAT | |
| 2259 case BIGFLOAT_T: | |
|
5736
3192994c49ca
Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
parents:
5582
diff
changeset
|
2260 bigfloat_set_prec (XBIGFLOAT_DATA (accum), |
| 1983 | 2261 max (XBIGFLOAT_GET_PREC (multiplier), |
| 2262 XBIGFLOAT_GET_PREC (accum))); | |
|
5736
3192994c49ca
Convert C (un)signed long long values to bignums properly.
Jerry James <james@xemacs.org>
parents:
5582
diff
changeset
|
2263 bigfloat_mul (XBIGFLOAT_DATA (accum), XBIGFLOAT_DATA (accum), |
| 1983 | 2264 XBIGFLOAT_DATA (multiplier)); |
| 2265 break; | |
| 2266 #endif | |
| 2267 } | |
| 2268 } | |
| 2269 return Fcanonicalize_number (accum); | |
| 2270 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2271 EMACS_INT iaccum = 1; |
| 2272 Lisp_Object *args_end = args + nargs; | |
| 2273 | |
| 2274 while (args < args_end) | |
| 2275 { | |
| 2276 int_or_double iod; | |
| 2277 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2278 if (iod.int_p) | |
| 2279 iaccum *= iod.c.ival; | |
| 2280 else | |
| 2281 { | |
| 2282 double daccum = (double) iaccum * iod.c.dval; | |
| 2283 while (args < args_end) | |
| 2284 daccum *= number_char_or_marker_to_double (*args++); | |
| 2285 return make_float (daccum); | |
| 2286 } | |
| 2287 } | |
| 2288 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2289 return make_fixnum (iaccum); |
| 1983 | 2290 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2291 } |
| 2292 | |
| 1983 | 2293 #ifdef HAVE_RATIO |
| 2294 DEFUN ("div", Fdiv, 1, MANY, 0, /* | |
| 2295 Same as `/', but dividing integers creates a ratio instead of truncating. | |
| 2296 Note that this is a departure from Common Lisp, where / creates ratios when | |
| 2297 dividing integers. Having a separate function lets us avoid breaking existing | |
| 2298 Emacs Lisp code that expects / to do integer division. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2299 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2300 arguments: (FIRST &rest ARGS) |
| 1983 | 2301 */ |
| 2302 (int nargs, Lisp_Object *args)) | |
| 2303 { | |
| 2304 REGISTER int i; | |
| 2305 Lisp_Object accum, divisor; | |
| 2306 | |
| 2307 if (nargs == 1) | |
| 2308 { | |
| 2309 i = 0; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2310 accum = make_fixnum (1); |
| 1983 | 2311 } |
| 2312 else | |
| 2313 { | |
| 2314 i = 1; | |
| 2315 accum = args[0]; | |
| 2316 } | |
| 2317 for (; i < nargs; i++) | |
| 2318 { | |
| 2319 divisor = args[i]; | |
| 2320 switch (promote_args (&accum, &divisor)) | |
| 2321 { | |
| 2322 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2323 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
|
2324 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
|
2325 bignum_set_long (scratch_bignum2, XREALFIXNUM (divisor)); |
| 1983 | 2326 accum = make_ratio_bg (scratch_bignum, scratch_bignum2); |
| 2327 break; | |
| 2328 case BIGNUM_T: | |
| 2329 if (bignum_sign (XBIGNUM_DATA (divisor)) == 0) goto divide_by_zero; | |
| 2330 accum = make_ratio_bg (XBIGNUM_DATA (accum), XBIGNUM_DATA (divisor)); | |
| 2331 break; | |
| 2332 case RATIO_T: | |
| 2333 if (ratio_sign (XRATIO_DATA (divisor)) == 0) goto divide_by_zero; | |
| 2334 ratio_div (scratch_ratio, XRATIO_DATA (accum), | |
| 2335 XRATIO_DATA (divisor)); | |
| 2336 accum = make_ratio_rt (scratch_ratio); | |
| 2337 break; | |
| 2338 case FLOAT_T: | |
| 2339 if (XFLOAT_DATA (divisor) == 0.0) goto divide_by_zero; | |
| 2340 accum = make_float (XFLOAT_DATA (accum) / XFLOAT_DATA (divisor)); | |
| 2341 break; | |
| 2342 #ifdef HAVE_BIGFLOAT | |
| 2343 case BIGFLOAT_T: | |
| 2344 if (bigfloat_sign (XBIGFLOAT_DATA (divisor)) == 0) | |
| 2345 goto divide_by_zero; | |
| 2346 bigfloat_set_prec (scratch_bigfloat, | |
| 2347 max (XBIGFLOAT_GET_PREC (divisor), | |
| 2348 XBIGFLOAT_GET_PREC (accum))); | |
| 2349 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 2350 XBIGFLOAT_DATA (divisor)); | |
| 2351 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 2352 break; | |
| 2353 #endif | |
| 2354 } | |
| 2355 } | |
| 2356 return Fcanonicalize_number (accum); | |
| 2357 | |
| 2358 divide_by_zero: | |
| 2359 Fsignal (Qarith_error, Qnil); | |
| 2360 return Qnil; /* not (usually) reached */ | |
| 2361 } | |
| 2362 #endif /* HAVE_RATIO */ | |
| 2363 | |
| 428 | 2364 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
|
2365 Return FIRST divided by all the remaining arguments. |
| 428 | 2366 The arguments must be numbers, characters or markers. |
| 2367 With one argument, reciprocates the argument. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2368 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2369 arguments: (FIRST &rest ARGS) |
| 428 | 2370 */ |
| 2371 (int nargs, Lisp_Object *args)) | |
| 2372 { | |
| 1983 | 2373 #ifdef WITH_NUMBER_TYPES |
| 2374 REGISTER int i; | |
| 2375 Lisp_Object accum, divisor; | |
| 2376 | |
| 2377 if (nargs == 1) | |
| 2378 { | |
| 2379 i = 0; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2380 accum = make_fixnum (1); |
| 1983 | 2381 } |
| 2382 else | |
| 2383 { | |
| 2384 i = 1; | |
| 2385 accum = args[0]; | |
| 2386 } | |
| 2387 for (; i < nargs; i++) | |
| 2388 { | |
| 2389 divisor = args[i]; | |
| 2390 switch (promote_args (&accum, &divisor)) | |
| 2391 { | |
| 2392 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2393 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
|
2394 accum = make_integer (XREALFIXNUM (accum) / XREALFIXNUM (divisor)); |
| 1983 | 2395 break; |
| 2396 #ifdef HAVE_BIGNUM | |
| 2397 case BIGNUM_T: | |
| 2398 if (bignum_sign (XBIGNUM_DATA (divisor)) == 0) goto divide_by_zero; | |
| 2399 bignum_div (scratch_bignum, XBIGNUM_DATA (accum), | |
| 2400 XBIGNUM_DATA (divisor)); | |
| 2401 accum = make_bignum_bg (scratch_bignum); | |
| 2402 break; | |
| 2403 #endif | |
| 2404 #ifdef HAVE_RATIO | |
| 2405 case RATIO_T: | |
| 2406 if (ratio_sign (XRATIO_DATA (divisor)) == 0) goto divide_by_zero; | |
| 2407 ratio_div (scratch_ratio, XRATIO_DATA (accum), | |
| 2408 XRATIO_DATA (divisor)); | |
| 2409 accum = make_ratio_rt (scratch_ratio); | |
| 2410 break; | |
| 2411 #endif | |
| 2412 case FLOAT_T: | |
| 2413 if (XFLOAT_DATA (divisor) == 0.0) goto divide_by_zero; | |
| 2414 accum = make_float (XFLOAT_DATA (accum) / XFLOAT_DATA (divisor)); | |
| 2415 break; | |
| 2416 #ifdef HAVE_BIGFLOAT | |
| 2417 case BIGFLOAT_T: | |
| 2418 if (bigfloat_sign (XBIGFLOAT_DATA (divisor)) == 0) | |
| 2419 goto divide_by_zero; | |
| 2420 bigfloat_set_prec (scratch_bigfloat, | |
| 2421 max (XBIGFLOAT_GET_PREC (divisor), | |
| 2422 XBIGFLOAT_GET_PREC (accum))); | |
| 2423 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (accum), | |
| 2424 XBIGFLOAT_DATA (divisor)); | |
| 2425 accum = make_bigfloat_bf (scratch_bigfloat); | |
| 2426 break; | |
| 2427 #endif | |
| 2428 } | |
| 2429 } | |
| 2430 return Fcanonicalize_number (accum); | |
| 2431 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2432 EMACS_INT iaccum; |
| 2433 double daccum; | |
| 2434 Lisp_Object *args_end = args + nargs; | |
| 2435 int_or_double iod; | |
| 2436 | |
| 2437 if (nargs == 1) | |
| 2438 iaccum = 1; | |
| 2439 else | |
| 2440 { | |
| 2441 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2442 if (iod.int_p) | |
| 2443 iaccum = iod.c.ival; | |
| 2444 else | |
| 2445 { | |
| 2446 daccum = iod.c.dval; | |
| 2447 goto divide_floats; | |
| 2448 } | |
| 2449 } | |
| 2450 | |
| 2451 while (args < args_end) | |
| 2452 { | |
| 2453 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2454 if (iod.int_p) | |
| 2455 { | |
| 2456 if (iod.c.ival == 0) goto divide_by_zero; | |
| 2457 iaccum /= iod.c.ival; | |
| 2458 } | |
| 2459 else | |
| 2460 { | |
| 2461 if (iod.c.dval == 0) goto divide_by_zero; | |
| 2462 daccum = (double) iaccum / iod.c.dval; | |
| 2463 goto divide_floats; | |
| 2464 } | |
| 2465 } | |
| 2466 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2467 return make_fixnum (iaccum); |
| 428 | 2468 |
| 2469 divide_floats: | |
| 2470 for (; args < args_end; args++) | |
| 2471 { | |
| 2472 double dval = number_char_or_marker_to_double (*args); | |
| 2473 if (dval == 0) goto divide_by_zero; | |
| 2474 daccum /= dval; | |
| 2475 } | |
| 2476 return make_float (daccum); | |
| 1983 | 2477 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2478 |
| 2479 divide_by_zero: | |
| 2480 Fsignal (Qarith_error, Qnil); | |
| 801 | 2481 return Qnil; /* not (usually) reached */ |
| 428 | 2482 } |
| 2483 | |
| 2484 DEFUN ("max", Fmax, 1, MANY, 0, /* | |
| 2485 Return largest of all the arguments. | |
| 1983 | 2486 All arguments must be real numbers, characters or markers. |
| 428 | 2487 The value is always a number; markers and characters are converted |
| 2488 to numbers. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2489 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2490 arguments: (FIRST &rest ARGS) |
| 428 | 2491 */ |
| 2492 (int nargs, Lisp_Object *args)) | |
| 2493 { | |
| 1983 | 2494 #ifdef WITH_NUMBER_TYPES |
| 2495 REGISTER int i, maxindex = 0; | |
| 2496 | |
| 2497 while (!(CHARP (args[0]) || MARKERP (args[0]) || REALP (args[0]))) | |
| 2498 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2499 if (CHARP (args[0])) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2500 args[0] = make_fixnum (XCHAR (args[0])); |
| 1983 | 2501 else if (MARKERP (args[0])) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2502 args[0] = make_fixnum (marker_position (args[0])); |
| 1983 | 2503 for (i = 1; i < nargs; i++) |
| 2504 { | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2505 switch (promote_args (args + maxindex, args + i)) |
| 1983 | 2506 { |
| 2507 case FIXNUM_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2508 if (XREALFIXNUM (args[maxindex]) < XREALFIXNUM (args[i])) |
| 1983 | 2509 maxindex = i; |
| 2510 break; | |
| 2511 #ifdef HAVE_BIGNUM | |
| 2512 case BIGNUM_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2513 if (bignum_lt (XBIGNUM_DATA (args[maxindex]), |
|
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2514 XBIGNUM_DATA (args[i]))) |
| 1983 | 2515 maxindex = i; |
| 2516 break; | |
| 2517 #endif | |
| 2518 #ifdef HAVE_RATIO | |
| 2519 case RATIO_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2520 if (ratio_lt (XRATIO_DATA (args[maxindex]), XRATIO_DATA (args[i]))) |
| 1983 | 2521 maxindex = i; |
| 2522 break; | |
| 2523 #endif | |
| 2524 case FLOAT_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2525 if (XFLOAT_DATA (args[maxindex]) < XFLOAT_DATA (args[i])) |
| 1983 | 2526 maxindex = i; |
| 2527 break; | |
| 2528 #ifdef HAVE_BIGFLOAT | |
| 2529 case BIGFLOAT_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2530 if (bigfloat_lt (XBIGFLOAT_DATA (args[maxindex]), |
|
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2531 XBIGFLOAT_DATA (args[i]))) |
| 1983 | 2532 maxindex = i; |
| 2533 break; | |
| 2534 #endif | |
| 2535 } | |
| 2536 } | |
| 2537 return args[maxindex]; | |
| 2538 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2539 EMACS_INT imax; |
| 2540 double dmax; | |
| 2541 Lisp_Object *args_end = args + nargs; | |
| 2542 int_or_double iod; | |
| 2543 | |
| 2544 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2545 if (iod.int_p) | |
| 2546 imax = iod.c.ival; | |
| 2547 else | |
| 2548 { | |
| 2549 dmax = iod.c.dval; | |
| 2550 goto max_floats; | |
| 2551 } | |
| 2552 | |
| 2553 while (args < args_end) | |
| 2554 { | |
| 2555 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2556 if (iod.int_p) | |
| 2557 { | |
| 2558 if (imax < iod.c.ival) imax = iod.c.ival; | |
| 2559 } | |
| 2560 else | |
| 2561 { | |
| 2562 dmax = (double) imax; | |
| 2563 if (dmax < iod.c.dval) dmax = iod.c.dval; | |
| 2564 goto max_floats; | |
| 2565 } | |
| 2566 } | |
| 2567 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2568 return make_fixnum (imax); |
| 428 | 2569 |
| 2570 max_floats: | |
| 2571 while (args < args_end) | |
| 2572 { | |
| 2573 double dval = number_char_or_marker_to_double (*args++); | |
| 2574 if (dmax < dval) dmax = dval; | |
| 2575 } | |
| 2576 return make_float (dmax); | |
| 1983 | 2577 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2578 } |
| 2579 | |
| 2580 DEFUN ("min", Fmin, 1, MANY, 0, /* | |
| 2581 Return smallest of all the arguments. | |
| 2582 All arguments must be numbers, characters or markers. | |
| 2583 The value is always a number; markers and characters are converted | |
| 2584 to numbers. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2585 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2586 arguments: (FIRST &rest ARGS) |
| 428 | 2587 */ |
| 2588 (int nargs, Lisp_Object *args)) | |
| 2589 { | |
| 1983 | 2590 #ifdef WITH_NUMBER_TYPES |
| 2591 REGISTER int i, minindex = 0; | |
| 2592 | |
| 2593 while (!(CHARP (args[0]) || MARKERP (args[0]) || REALP (args[0]))) | |
| 2594 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2595 if (CHARP (args[0])) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2596 args[0] = make_fixnum (XCHAR (args[0])); |
| 1983 | 2597 else if (MARKERP (args[0])) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2598 args[0] = make_fixnum (marker_position (args[0])); |
| 1983 | 2599 for (i = 1; i < nargs; i++) |
| 2600 { | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2601 switch (promote_args (args + minindex, args + i)) |
| 1983 | 2602 { |
| 2603 case FIXNUM_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2604 if (XREALFIXNUM (args[minindex]) > XREALFIXNUM (args[i])) |
| 1983 | 2605 minindex = i; |
| 2606 break; | |
| 2607 #ifdef HAVE_BIGNUM | |
| 2608 case BIGNUM_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2609 if (bignum_gt (XBIGNUM_DATA (args[minindex]), |
|
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2610 XBIGNUM_DATA (args[i]))) |
| 1983 | 2611 minindex = i; |
| 2612 break; | |
| 2613 #endif | |
| 2614 #ifdef HAVE_RATIO | |
| 2615 case RATIO_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2616 if (ratio_gt (XRATIO_DATA (args[minindex]), |
|
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2617 XRATIO_DATA (args[i]))) |
| 1983 | 2618 minindex = i; |
| 2619 break; | |
| 2620 #endif | |
| 2621 case FLOAT_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2622 if (XFLOAT_DATA (args[minindex]) > XFLOAT_DATA (args[i])) |
| 1983 | 2623 minindex = i; |
| 2624 break; | |
| 2625 #ifdef HAVE_BIGFLOAT | |
| 2626 case BIGFLOAT_T: | |
|
5768
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2627 if (bigfloat_gt (XBIGFLOAT_DATA (args[minindex]), |
|
3bfcdeb65578
Return a fixnum as documented with marker arg, #'max, #'min
Aidan Kehoe <kehoea@parhasard.net>
parents:
5762
diff
changeset
|
2628 XBIGFLOAT_DATA (args[i]))) |
| 1983 | 2629 minindex = i; |
| 2630 break; | |
| 2631 #endif | |
| 2632 } | |
| 2633 } | |
| 2634 return args[minindex]; | |
| 2635 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2636 EMACS_INT imin; |
| 2637 double dmin; | |
| 2638 Lisp_Object *args_end = args + nargs; | |
| 2639 int_or_double iod; | |
| 2640 | |
| 2641 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2642 if (iod.int_p) | |
| 2643 imin = iod.c.ival; | |
| 2644 else | |
| 2645 { | |
| 2646 dmin = iod.c.dval; | |
| 2647 goto min_floats; | |
| 2648 } | |
| 2649 | |
| 2650 while (args < args_end) | |
| 2651 { | |
| 2652 number_char_or_marker_to_int_or_double (*args++, &iod); | |
| 2653 if (iod.int_p) | |
| 2654 { | |
| 2655 if (imin > iod.c.ival) imin = iod.c.ival; | |
| 2656 } | |
| 2657 else | |
| 2658 { | |
| 2659 dmin = (double) imin; | |
| 2660 if (dmin > iod.c.dval) dmin = iod.c.dval; | |
| 2661 goto min_floats; | |
| 2662 } | |
| 2663 } | |
| 2664 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2665 return make_fixnum (imin); |
| 428 | 2666 |
| 2667 min_floats: | |
| 2668 while (args < args_end) | |
| 2669 { | |
| 2670 double dval = number_char_or_marker_to_double (*args++); | |
| 2671 if (dmin > dval) dmin = dval; | |
| 2672 } | |
| 2673 return make_float (dmin); | |
| 1983 | 2674 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2675 } |
| 2676 | |
| 2677 DEFUN ("logand", Flogand, 0, MANY, 0, /* | |
| 2678 Return bitwise-and of all the arguments. | |
| 2679 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>
parents:
3355
diff
changeset
|
2680 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2681 arguments: (&rest ARGS) |
| 428 | 2682 */ |
| 2683 (int nargs, Lisp_Object *args)) | |
| 2684 { | |
| 1983 | 2685 #ifdef HAVE_BIGNUM |
| 2686 REGISTER int i; | |
| 2687 Lisp_Object result, other; | |
| 2688 | |
| 2689 if (nargs == 0) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2690 return make_fixnum (~0); |
| 1983 | 2691 |
| 2692 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
| 2693 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2694 | |
| 2695 result = args[0]; | |
| 2696 if (CHARP (result)) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2697 result = make_fixnum (XCHAR (result)); |
| 1983 | 2698 else if (MARKERP (result)) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2699 result = make_fixnum (marker_position (result)); |
| 1983 | 2700 for (i = 1; i < nargs; i++) |
| 2701 { | |
| 2702 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
| 2703 args[i] = wrong_type_argument (Qnumber_char_or_marker_p, args[i]); | |
| 2704 other = args[i]; | |
| 1995 | 2705 switch (promote_args (&result, &other)) |
| 1983 | 2706 { |
| 2707 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2708 result = make_fixnum (XREALFIXNUM (result) & XREALFIXNUM (other)); |
| 1983 | 2709 break; |
| 2710 case BIGNUM_T: | |
| 2711 bignum_and (scratch_bignum, XBIGNUM_DATA (result), | |
| 2712 XBIGNUM_DATA (other)); | |
| 2713 result = make_bignum_bg (scratch_bignum); | |
| 2714 break; | |
| 2715 } | |
| 2716 } | |
| 2717 return Fcanonicalize_number (result); | |
| 2718 #else /* !HAVE_BIGNUM */ | |
| 428 | 2719 EMACS_INT bits = ~0; |
| 2720 Lisp_Object *args_end = args + nargs; | |
| 2721 | |
| 2722 while (args < args_end) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2723 bits &= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2724 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2725 return make_fixnum (bits); |
| 1983 | 2726 #endif /* HAVE_BIGNUM */ |
| 428 | 2727 } |
| 2728 | |
| 2729 DEFUN ("logior", Flogior, 0, MANY, 0, /* | |
| 2730 Return bitwise-or of all the arguments. | |
| 2731 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>
parents:
3355
diff
changeset
|
2732 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2733 arguments: (&rest ARGS) |
| 428 | 2734 */ |
| 2735 (int nargs, Lisp_Object *args)) | |
| 2736 { | |
| 1983 | 2737 #ifdef HAVE_BIGNUM |
| 2738 REGISTER int i; | |
| 2739 Lisp_Object result, other; | |
| 2740 | |
| 2741 if (nargs == 0) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2742 return make_fixnum (0); |
| 1983 | 2743 |
| 2744 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
| 2745 args[0] = wrong_type_argument (Qnumber_char_or_marker_p, args[0]); | |
| 2746 | |
| 2747 result = args[0]; | |
| 2748 if (CHARP (result)) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2749 result = make_fixnum (XCHAR (result)); |
| 1983 | 2750 else if (MARKERP (result)) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2751 result = make_fixnum (marker_position (result)); |
| 1983 | 2752 for (i = 1; i < nargs; i++) |
| 2753 { | |
| 2754 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
| 2755 args[i] = wrong_type_argument (Qnumber_char_or_marker_p, args[i]); | |
| 2756 other = args[i]; | |
| 2757 switch (promote_args (&result, &other)) | |
| 2758 { | |
| 2759 case FIXNUM_T: | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2760 result = make_fixnum (XREALFIXNUM (result) | XREALFIXNUM (other)); |
| 1983 | 2761 break; |
| 2762 case BIGNUM_T: | |
| 2763 bignum_ior (scratch_bignum, XBIGNUM_DATA (result), | |
| 2764 XBIGNUM_DATA (other)); | |
| 2765 result = make_bignum_bg (scratch_bignum); | |
| 2766 break; | |
| 2767 } | |
| 2768 } | |
| 2769 return Fcanonicalize_number (result); | |
| 2770 #else /* !HAVE_BIGNUM */ | |
| 428 | 2771 EMACS_INT bits = 0; |
| 2772 Lisp_Object *args_end = args + nargs; | |
| 2773 | |
| 2774 while (args < args_end) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2775 bits |= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2776 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2777 return make_fixnum (bits); |
| 1983 | 2778 #endif /* HAVE_BIGNUM */ |
| 428 | 2779 } |
| 2780 | |
| 2781 DEFUN ("logxor", Flogxor, 0, MANY, 0, /* | |
| 2782 Return bitwise-exclusive-or of all the arguments. | |
| 2783 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>
parents:
3355
diff
changeset
|
2784 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3355
diff
changeset
|
2785 arguments: (&rest ARGS) |
| 428 | 2786 */ |
| 2787 (int nargs, Lisp_Object *args)) | |
| 2788 { | |
| 1983 | 2789 #ifdef HAVE_BIGNUM |
| 2790 REGISTER int i; | |
| 2791 Lisp_Object result, other; | |
| 2792 | |
| 2793 if (nargs == 0) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2794 return make_fixnum (0); |
| 1983 | 2795 |
| 2796 while (!(CHARP (args[0]) || MARKERP (args[0]) || INTEGERP (args[0]))) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2797 args[0] = wrong_type_argument (Qinteger_char_or_marker_p, args[0]); |
| 1983 | 2798 |
| 2799 result = args[0]; | |
| 2800 if (CHARP (result)) | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2801 result = make_fixnum (XCHAR (result)); |
| 1983 | 2802 else if (MARKERP (result)) |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2803 result = make_fixnum (marker_position (result)); |
| 1983 | 2804 for (i = 1; i < nargs; i++) |
| 2805 { | |
| 2806 while (!(CHARP (args[i]) || MARKERP (args[i]) || INTEGERP (args[i]))) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2807 args[i] = wrong_type_argument (Qinteger_char_or_marker_p, args[i]); |
| 1983 | 2808 other = args[i]; |
| 2809 if (promote_args (&result, &other) == FIXNUM_T) | |
| 2810 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2811 result = make_fixnum (XREALFIXNUM (result) ^ XREALFIXNUM (other)); |
| 1983 | 2812 } |
| 2813 else | |
| 2814 { | |
| 2815 bignum_xor (scratch_bignum, XBIGNUM_DATA (result), | |
| 2816 XBIGNUM_DATA (other)); | |
| 2817 result = make_bignum_bg (scratch_bignum); | |
| 2818 } | |
| 2819 } | |
| 2820 return Fcanonicalize_number (result); | |
| 2821 #else /* !HAVE_BIGNUM */ | |
| 428 | 2822 EMACS_INT bits = 0; |
| 2823 Lisp_Object *args_end = args + nargs; | |
| 2824 | |
| 2825 while (args < args_end) | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2826 bits ^= fixnum_char_or_marker_to_int (*args++); |
| 428 | 2827 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2828 return make_fixnum (bits); |
| 1983 | 2829 #endif /* !HAVE_BIGNUM */ |
| 428 | 2830 } |
| 2831 | |
| 2832 DEFUN ("lognot", Flognot, 1, 1, 0, /* | |
| 2833 Return the bitwise complement of NUMBER. | |
| 2834 NUMBER may be an integer, marker or character converted to integer. | |
| 2835 */ | |
| 2836 (number)) | |
| 2837 { | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2838 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
|
2839 number = wrong_type_argument (Qinteger_char_or_marker_p, number); |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2840 |
| 1983 | 2841 #ifdef HAVE_BIGNUM |
| 2842 if (BIGNUMP (number)) | |
| 2843 { | |
| 2844 bignum_not (scratch_bignum, XBIGNUM_DATA (number)); | |
| 2845 return make_bignum_bg (scratch_bignum); | |
| 2846 } | |
| 2847 #endif /* HAVE_BIGNUM */ | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2848 |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2849 return make_fixnum (~ fixnum_char_or_marker_to_int (number)); |
| 428 | 2850 } |
| 2851 | |
| 2852 DEFUN ("%", Frem, 2, 2, 0, /* | |
| 2853 Return remainder of first arg divided by second. | |
| 2854 Both must be integers, characters or markers. | |
| 2855 */ | |
| 444 | 2856 (number1, number2)) |
| 428 | 2857 { |
| 1983 | 2858 #ifdef HAVE_BIGNUM |
| 2859 while (!(CHARP (number1) || MARKERP (number1) || INTEGERP (number1))) | |
| 2860 number1 = wrong_type_argument (Qnumber_char_or_marker_p, number1); | |
| 2861 while (!(CHARP (number2) || MARKERP (number2) || INTEGERP (number2))) | |
| 2862 number2 = wrong_type_argument (Qnumber_char_or_marker_p, number2); | |
| 2863 | |
| 2864 if (promote_args (&number1, &number2) == FIXNUM_T) | |
| 2865 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2866 if (XREALFIXNUM (number2) == 0) |
| 1983 | 2867 Fsignal (Qarith_error, Qnil); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2868 return make_fixnum (XREALFIXNUM (number1) % XREALFIXNUM (number2)); |
| 1983 | 2869 } |
| 2870 else | |
| 2871 { | |
| 2872 if (bignum_sign (XBIGNUM_DATA (number2)) == 0) | |
| 2873 Fsignal (Qarith_error, Qnil); | |
| 2874 bignum_mod (scratch_bignum, XBIGNUM_DATA (number1), | |
| 2875 XBIGNUM_DATA (number2)); | |
| 2876 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 2877 } | |
| 2878 #else /* !HAVE_BIGNUM */ | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
2879 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
|
2880 EMACS_INT ival2 = fixnum_char_or_marker_to_int (number2); |
| 428 | 2881 |
| 2882 if (ival2 == 0) | |
| 2883 Fsignal (Qarith_error, Qnil); | |
| 2884 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2885 return make_fixnum (ival1 % ival2); |
| 1983 | 2886 #endif /* HAVE_BIGNUM */ |
| 428 | 2887 } |
| 2888 | |
| 2889 /* Note, ANSI *requires* the presence of the fmod() library routine. | |
| 2890 If your system doesn't have it, complain to your vendor, because | |
| 2891 that is a bug. */ | |
| 2892 | |
| 2893 #ifndef HAVE_FMOD | |
| 2894 double | |
| 2895 fmod (double f1, double f2) | |
| 2896 { | |
| 2897 if (f2 < 0.0) | |
| 2898 f2 = -f2; | |
| 2899 return f1 - f2 * floor (f1/f2); | |
| 2900 } | |
| 2901 #endif /* ! HAVE_FMOD */ | |
| 2902 | |
| 2903 | |
| 2904 DEFUN ("mod", Fmod, 2, 2, 0, /* | |
| 2905 Return X modulo Y. | |
| 2906 The result falls between zero (inclusive) and Y (exclusive). | |
| 2907 Both X and Y must be numbers, characters or markers. | |
| 2908 If either argument is a float, a float will be returned. | |
| 2909 */ | |
| 2910 (x, y)) | |
| 2911 { | |
| 1983 | 2912 #ifdef WITH_NUMBER_TYPES |
| 2913 while (!(CHARP (x) || MARKERP (x) || REALP (x))) | |
| 2914 x = wrong_type_argument (Qnumber_char_or_marker_p, x); | |
| 2915 while (!(CHARP (y) || MARKERP (y) || REALP (y))) | |
| 2916 y = wrong_type_argument (Qnumber_char_or_marker_p, y); | |
| 2917 switch (promote_args (&x, &y)) | |
| 2918 { | |
| 2919 case FIXNUM_T: | |
| 2920 { | |
| 2921 EMACS_INT ival; | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2922 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
|
2923 ival = XREALFIXNUM (x) % XREALFIXNUM (y); |
| 1983 | 2924 /* 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
|
2925 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
|
2926 ival += XREALFIXNUM (y); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2927 return make_fixnum (ival); |
| 1983 | 2928 } |
| 2929 #ifdef HAVE_BIGNUM | |
| 2930 case BIGNUM_T: | |
| 2931 if (bignum_sign (XBIGNUM_DATA (y)) == 0) goto divide_by_zero; | |
| 2932 bignum_mod (scratch_bignum, XBIGNUM_DATA (x), XBIGNUM_DATA (y)); | |
| 2933 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 2934 #endif | |
| 2935 #ifdef HAVE_RATIO | |
| 2936 case RATIO_T: | |
| 2937 if (ratio_sign (XRATIO_DATA (y)) == 0) goto divide_by_zero; | |
| 2938 ratio_div (scratch_ratio, XRATIO_DATA (x), XRATIO_DATA (y)); | |
| 2939 bignum_div (scratch_bignum, ratio_numerator (scratch_ratio), | |
| 2940 ratio_denominator (scratch_ratio)); | |
| 2941 ratio_set_bignum (scratch_ratio, scratch_bignum); | |
| 2942 ratio_mul (scratch_ratio, scratch_ratio, XRATIO_DATA (y)); | |
| 2943 ratio_sub (scratch_ratio, XRATIO_DATA (x), scratch_ratio); | |
| 2944 return Fcanonicalize_number (make_ratio_rt (scratch_ratio)); | |
| 2945 #endif | |
| 2946 case FLOAT_T: | |
| 2947 { | |
| 2948 double dval; | |
| 2949 if (XFLOAT_DATA (y) == 0.0) goto divide_by_zero; | |
| 2950 dval = fmod (XFLOAT_DATA (x), XFLOAT_DATA (y)); | |
| 2951 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2952 if (XFLOAT_DATA (y) < 0 ? dval > 0 : dval < 0) | |
| 2953 dval += XFLOAT_DATA (y); | |
| 2954 return make_float (dval); | |
| 2955 } | |
| 2956 #ifdef HAVE_BIGFLOAT | |
| 2957 case BIGFLOAT_T: | |
| 2958 bigfloat_set_prec (scratch_bigfloat, | |
| 2959 max (XBIGFLOAT_GET_PREC (x), XBIGFLOAT_GET_PREC (y))); | |
| 2960 bigfloat_div (scratch_bigfloat, XBIGFLOAT_DATA (x), XBIGFLOAT_DATA (y)); | |
| 2961 bigfloat_trunc (scratch_bigfloat, scratch_bigfloat); | |
| 2962 bigfloat_mul (scratch_bigfloat, scratch_bigfloat, XBIGFLOAT_DATA (y)); | |
| 2963 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (x), scratch_bigfloat); | |
| 2964 return make_bigfloat_bf (scratch_bigfloat); | |
| 2965 #endif | |
| 2966 } | |
| 2967 #else /* !WITH_NUMBER_TYPES */ | |
| 428 | 2968 int_or_double iod1, iod2; |
| 2969 number_char_or_marker_to_int_or_double (x, &iod1); | |
| 2970 number_char_or_marker_to_int_or_double (y, &iod2); | |
| 2971 | |
| 2972 if (!iod1.int_p || !iod2.int_p) | |
| 2973 { | |
| 2974 double dval1 = iod1.int_p ? (double) iod1.c.ival : iod1.c.dval; | |
| 2975 double dval2 = iod2.int_p ? (double) iod2.c.ival : iod2.c.dval; | |
| 2976 if (dval2 == 0) goto divide_by_zero; | |
| 2977 dval1 = fmod (dval1, dval2); | |
| 2978 | |
| 2979 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2980 if (dval2 < 0 ? dval1 > 0 : dval1 < 0) | |
| 2981 dval1 += dval2; | |
| 2982 | |
| 2983 return make_float (dval1); | |
| 2984 } | |
| 1104 | 2985 |
| 428 | 2986 { |
| 2987 EMACS_INT ival; | |
| 2988 if (iod2.c.ival == 0) goto divide_by_zero; | |
| 2989 | |
| 2990 ival = iod1.c.ival % iod2.c.ival; | |
| 2991 | |
| 2992 /* If the "remainder" comes out with the wrong sign, fix it. */ | |
| 2993 if (iod2.c.ival < 0 ? ival > 0 : ival < 0) | |
| 2994 ival += iod2.c.ival; | |
| 2995 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
2996 return make_fixnum (ival); |
| 428 | 2997 } |
| 1983 | 2998 #endif /* WITH_NUMBER_TYPES */ |
| 428 | 2999 |
| 3000 divide_by_zero: | |
| 3001 Fsignal (Qarith_error, Qnil); | |
| 801 | 3002 return Qnil; /* not (usually) reached */ |
| 428 | 3003 } |
| 3004 | |
| 3005 DEFUN ("ash", Fash, 2, 2, 0, /* | |
| 3006 Return VALUE with its bits shifted left by COUNT. | |
| 3007 If COUNT is negative, shifting is actually to the right. | |
| 3008 In this case, the sign bit is duplicated. | |
| 1983 | 3009 This function cannot be applied to bignums, as there is no leftmost sign bit |
| 3010 to be duplicated. Use `lsh' instead. | |
| 428 | 3011 */ |
| 3012 (value, count)) | |
| 3013 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3014 CHECK_FIXNUM_COERCE_CHAR (value); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3015 CONCHECK_FIXNUM (count); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3016 |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3017 return make_fixnum (XFIXNUM (count) > 0 ? |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3018 XFIXNUM (value) << XFIXNUM (count) : |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3019 XFIXNUM (value) >> -XFIXNUM (count)); |
| 428 | 3020 } |
| 3021 | |
| 3022 DEFUN ("lsh", Flsh, 2, 2, 0, /* | |
| 3023 Return VALUE with its bits shifted left by COUNT. | |
| 3024 If COUNT is negative, shifting is actually to the right. | |
| 3025 In this case, zeros are shifted in on the left. | |
| 3026 */ | |
| 3027 (value, count)) | |
| 3028 { | |
| 1983 | 3029 #ifdef HAVE_BIGNUM |
| 3030 while (!(CHARP (value) || MARKERP (value) || INTEGERP (value))) | |
| 3031 wrong_type_argument (Qnumber_char_or_marker_p, value); | |
| 3032 CONCHECK_INTEGER (count); | |
| 3033 | |
| 3034 if (promote_args (&value, &count) == FIXNUM_T) | |
| 3035 { | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3036 if (XREALFIXNUM (count) <= 0) |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3037 return make_fixnum (XREALFIXNUM (value) >> -XREALFIXNUM (count)); |
| 1983 | 3038 /* Use bignums to avoid overflow */ |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3039 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
|
3040 bignum_lshift (scratch_bignum, scratch_bignum2, XREALFIXNUM (count)); |
| 1983 | 3041 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); |
| 3042 } | |
| 3043 else | |
| 3044 { | |
| 3045 if (bignum_sign (XBIGNUM_DATA (count)) <= 0) | |
| 3046 { | |
| 3047 bignum_neg (scratch_bignum, XBIGNUM_DATA (count)); | |
| 3048 if (!bignum_fits_ulong_p (scratch_bignum)) | |
| 3049 args_out_of_range (Qnumber_char_or_marker_p, count); | |
| 3050 bignum_rshift (scratch_bignum2, XBIGNUM_DATA (value), | |
| 3051 bignum_to_ulong (scratch_bignum)); | |
| 3052 } | |
| 3053 else | |
| 3054 { | |
| 3055 if (!bignum_fits_ulong_p (XBIGNUM_DATA (count))) | |
| 3056 args_out_of_range (Qnumber_char_or_marker_p, count); | |
| 3057 bignum_lshift (scratch_bignum2, XBIGNUM_DATA (value), | |
| 3058 bignum_to_ulong (XBIGNUM_DATA (count))); | |
| 3059 } | |
| 3060 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 3061 } | |
| 3062 #else /* !HAVE_BIGNUM */ | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3063 CHECK_FIXNUM_COERCE_CHAR (value); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3064 CONCHECK_FIXNUM (count); |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3065 |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3066 return make_fixnum (XFIXNUM (count) > 0 ? |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3067 XUINT (value) << XFIXNUM (count) : |
|
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3068 XUINT (value) >> -XFIXNUM (count)); |
| 1983 | 3069 #endif /* HAVE_BIGNUM */ |
| 428 | 3070 } |
| 3071 | |
| 3072 DEFUN ("1+", Fadd1, 1, 1, 0, /* | |
| 3073 Return NUMBER plus one. NUMBER may be a number, character or marker. | |
| 3074 Markers and characters are converted to integers. | |
| 3075 */ | |
| 3076 (number)) | |
| 3077 { | |
| 3078 retry: | |
| 3079 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3080 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
|
3081 if (CHARP (number)) return make_integer ((EMACS_INT) XCHAR (number) + 1); |
| 1983 | 3082 if (MARKERP (number)) return make_integer (marker_position (number) + 1); |
| 428 | 3083 if (FLOATP (number)) return make_float (XFLOAT_DATA (number) + 1.0); |
| 1983 | 3084 #ifdef HAVE_BIGNUM |
| 3085 if (BIGNUMP (number)) | |
| 3086 { | |
| 3087 bignum_set_long (scratch_bignum, 1L); | |
| 3088 bignum_add (scratch_bignum2, XBIGNUM_DATA (number), scratch_bignum); | |
| 3089 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 3090 } | |
| 3091 #endif | |
| 3092 #ifdef HAVE_RATIO | |
| 3093 if (RATIOP (number)) | |
| 3094 { | |
| 3095 ratio_set_long (scratch_ratio, 1L); | |
| 3096 ratio_add (scratch_ratio, XRATIO_DATA (number), scratch_ratio); | |
| 3097 /* No need to canonicalize after adding 1 */ | |
| 3098 return make_ratio_rt (scratch_ratio); | |
| 3099 } | |
| 3100 #endif | |
| 3101 #ifdef HAVE_BIGFLOAT | |
| 3102 if (BIGFLOATP (number)) | |
| 3103 { | |
| 3104 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (number)); | |
| 3105 bigfloat_set_long (scratch_bigfloat, 1L); | |
| 3106 bigfloat_add (scratch_bigfloat, XBIGFLOAT_DATA (number), | |
| 3107 scratch_bigfloat); | |
| 3108 return make_bigfloat_bf (scratch_bigfloat); | |
| 3109 } | |
| 3110 #endif | |
| 428 | 3111 |
| 3112 number = wrong_type_argument (Qnumber_char_or_marker_p, number); | |
| 3113 goto retry; | |
| 3114 } | |
| 3115 | |
| 3116 DEFUN ("1-", Fsub1, 1, 1, 0, /* | |
| 3117 Return NUMBER minus one. NUMBER may be a number, character or marker. | |
| 3118 Markers and characters are converted to integers. | |
| 3119 */ | |
| 3120 (number)) | |
| 3121 { | |
| 3122 retry: | |
| 3123 | |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
3124 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
|
3125 if (CHARP (number)) return make_integer ((EMACS_INT) XCHAR (number) - 1); |
| 1983 | 3126 if (MARKERP (number)) return make_integer (marker_position (number) - 1); |
| 428 | 3127 if (FLOATP (number)) return make_float (XFLOAT_DATA (number) - 1.0); |
| 1983 | 3128 #ifdef HAVE_BIGNUM |
| 3129 if (BIGNUMP (number)) | |
| 3130 { | |
| 3131 bignum_set_long (scratch_bignum, 1L); | |
| 3132 bignum_sub (scratch_bignum2, XBIGNUM_DATA (number), scratch_bignum); | |
| 3133 return Fcanonicalize_number (make_bignum_bg (scratch_bignum2)); | |
| 3134 } | |
| 3135 #endif | |
| 3136 #ifdef HAVE_RATIO | |
| 3137 if (RATIOP (number)) | |
| 3138 { | |
| 3139 ratio_set_long (scratch_ratio, 1L); | |
| 3140 ratio_sub (scratch_ratio, XRATIO_DATA (number), scratch_ratio); | |
| 3141 /* No need to canonicalize after subtracting 1 */ | |
| 3142 return make_ratio_rt (scratch_ratio); | |
| 3143 } | |
| 3144 #endif | |
| 3145 #ifdef HAVE_BIGFLOAT | |
| 3146 if (BIGFLOATP (number)) | |
| 3147 { | |
| 3148 bigfloat_set_prec (scratch_bigfloat, XBIGFLOAT_GET_PREC (number)); | |
| 3149 bigfloat_set_long (scratch_bigfloat, 1L); | |
| 3150 bigfloat_sub (scratch_bigfloat, XBIGFLOAT_DATA (number), | |
| 3151 scratch_bigfloat); | |
| 3152 return make_bigfloat_bf (scratch_bigfloat); | |
| 3153 } | |
| 3154 #endif | |
| 428 | 3155 |
| 3156 number = wrong_type_argument (Qnumber_char_or_marker_p, number); | |
| 3157 goto retry; | |
| 3158 } | |
| 3159 | |
| 3160 | |
| 3161 /************************************************************************/ | |
| 3162 /* weak lists */ | |
| 3163 /************************************************************************/ | |
| 3164 | |
| 3165 /* A weak list is like a normal list except that elements automatically | |
| 3166 disappear when no longer in use, i.e. when no longer GC-protected. | |
| 3167 The basic idea is that we don't mark the elements during GC, but | |
| 3168 wait for them to be marked elsewhere. If they're not marked, we | |
| 3169 remove them. This is analogous to weak hash tables; see the explanation | |
| 3170 there for more info. */ | |
| 3171 | |
| 3172 static Lisp_Object Vall_weak_lists; /* Gemarke es nicht!!! */ | |
| 3173 | |
| 3174 static Lisp_Object encode_weak_list_type (enum weak_list_type type); | |
| 3175 | |
| 3176 static Lisp_Object | |
| 2286 | 3177 mark_weak_list (Lisp_Object UNUSED (obj)) |
| 428 | 3178 { |
| 3179 return Qnil; /* nichts ist gemarkt */ | |
| 3180 } | |
| 3181 | |
| 3182 static void | |
| 2286 | 3183 print_weak_list (Lisp_Object obj, Lisp_Object printcharfun, |
|
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diff
changeset
|
3184 int escapeflag) |
| 428 | 3185 { |
| 3186 if (print_readably) | |
|
5325
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Aidan Kehoe <kehoea@parhasard.net>
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changeset
|
3187 { |
|
47298dcf2e8f
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diff
changeset
|
3188 printing_unreadable_lisp_object (obj, 0); |
|
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|
3189 } |
|
47298dcf2e8f
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parents:
5307
diff
changeset
|
3190 |
|
47298dcf2e8f
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5307
diff
changeset
|
3191 write_ascstring (printcharfun, "#<weak-list :type "); |
|
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5307
diff
changeset
|
3192 print_internal (encode_weak_list_type (XWEAK_LIST (obj)->type), |
|
47298dcf2e8f
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5307
diff
changeset
|
3193 printcharfun, escapeflag); |
|
47298dcf2e8f
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Aidan Kehoe <kehoea@parhasard.net>
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5307
diff
changeset
|
3194 write_ascstring (printcharfun, " :list "); |
|
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parents:
5307
diff
changeset
|
3195 print_internal (XWEAK_LIST (obj)->list, printcharfun, escapeflag); |
|
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diff
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|
3196 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 428 | 3197 } |
| 3198 | |
| 3199 static int | |
|
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Ben Wing <ben@xemacs.org>
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diff
changeset
|
3200 weak_list_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 428 | 3201 { |
| 3202 struct weak_list *w1 = XWEAK_LIST (obj1); | |
| 3203 struct weak_list *w2 = XWEAK_LIST (obj2); | |
| 3204 | |
| 3205 return ((w1->type == w2->type) && | |
|
4906
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Ben Wing <ben@xemacs.org>
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4885
diff
changeset
|
3206 internal_equal_0 (w1->list, w2->list, depth + 1, foldcase)); |
| 428 | 3207 } |
| 3208 | |
| 665 | 3209 static Hashcode |
|
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Aidan Kehoe <kehoea@parhasard.net>
parents:
5169
diff
changeset
|
3210 weak_list_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 428 | 3211 { |
| 3212 struct weak_list *w = XWEAK_LIST (obj); | |
| 3213 | |
| 665 | 3214 return HASH2 ((Hashcode) w->type, |
|
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Aidan Kehoe <kehoea@parhasard.net>
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5169
diff
changeset
|
3215 internal_hash (w->list, depth + 1, equalp)); |
| 428 | 3216 } |
| 3217 | |
| 3218 Lisp_Object | |
| 3219 make_weak_list (enum weak_list_type type) | |
| 3220 { | |
|
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more cleanups, terminology clarification, lots of doc work
Ben Wing <ben@xemacs.org>
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5125
diff
changeset
|
3221 Lisp_Object result = ALLOC_NORMAL_LISP_OBJECT (weak_list); |
|
5117
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Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
3222 struct weak_list *wl = XWEAK_LIST (result); |
| 428 | 3223 |
| 3224 wl->list = Qnil; | |
| 3225 wl->type = type; | |
| 3226 wl->next_weak = Vall_weak_lists; | |
| 3227 Vall_weak_lists = result; | |
| 3228 return result; | |
| 3229 } | |
| 3230 | |
| 1204 | 3231 static const struct memory_description weak_list_description[] = { |
| 1598 | 3232 { XD_LISP_OBJECT, offsetof (struct weak_list, list), |
| 2551 | 3233 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 1598 | 3234 { XD_LO_LINK, offsetof (struct weak_list, next_weak), |
| 2551 | 3235 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 428 | 3236 { XD_END } |
| 3237 }; | |
| 3238 | |
|
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3239 DEFINE_DUMPABLE_LISP_OBJECT ("weak-list", weak_list, |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3240 mark_weak_list, print_weak_list, |
|
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3241 0, weak_list_equal, weak_list_hash, |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3242 weak_list_description, |
|
e0db3c197671
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Ben Wing <ben@xemacs.org>
diff
changeset
|
3243 struct weak_list); |
| 428 | 3244 /* |
| 3245 -- we do not mark the list elements (either the elements themselves | |
| 3246 or the cons cells that hold them) in the normal marking phase. | |
| 3247 -- at the end of marking, we go through all weak lists that are | |
| 3248 marked, and mark the cons cells that hold all marked | |
| 3249 objects, and possibly parts of the objects themselves. | |
| 3250 (See alloc.c, "after-mark".) | |
| 3251 -- after that, we prune away all the cons cells that are not marked. | |
| 3252 | |
| 3253 WARNING WARNING WARNING WARNING WARNING: | |
| 3254 | |
| 3255 The code in the following two functions is *unbelievably* tricky. | |
| 3256 Don't mess with it. You'll be sorry. | |
| 3257 | |
| 3258 Linked lists just majorly suck, d'ya know? | |
| 3259 */ | |
| 3260 | |
| 3261 int | |
| 3262 finish_marking_weak_lists (void) | |
| 3263 { | |
| 3264 Lisp_Object rest; | |
| 3265 int did_mark = 0; | |
| 3266 | |
| 3267 for (rest = Vall_weak_lists; | |
| 3268 !NILP (rest); | |
| 3269 rest = XWEAK_LIST (rest)->next_weak) | |
| 3270 { | |
| 3271 Lisp_Object rest2; | |
| 3272 enum weak_list_type type = XWEAK_LIST (rest)->type; | |
| 3273 | |
| 3274 if (! marked_p (rest)) | |
| 3275 /* The weak list is probably garbage. Ignore it. */ | |
| 3276 continue; | |
| 3277 | |
| 3278 for (rest2 = XWEAK_LIST (rest)->list; | |
| 3279 /* We need to be trickier since we're inside of GC; | |
| 3280 use CONSP instead of !NILP in case of user-visible | |
| 3281 imperfect lists */ | |
| 3282 CONSP (rest2); | |
| 3283 rest2 = XCDR (rest2)) | |
| 3284 { | |
| 3285 Lisp_Object elem; | |
| 3286 /* If the element is "marked" (meaning depends on the type | |
| 3287 of weak list), we need to mark the cons containing the | |
| 3288 element, and maybe the element itself (if only some part | |
| 3289 was already marked). */ | |
| 3290 int need_to_mark_cons = 0; | |
| 3291 int need_to_mark_elem = 0; | |
| 3292 | |
| 3293 /* If a cons is already marked, then its car is already marked | |
| 3294 (either because of an external pointer or because of | |
| 3295 a previous call to this function), and likewise for all | |
| 3296 the rest of the elements in the list, so we can stop now. */ | |
| 3297 if (marked_p (rest2)) | |
| 3298 break; | |
| 3299 | |
| 3300 elem = XCAR (rest2); | |
| 3301 | |
| 3302 switch (type) | |
| 3303 { | |
| 3304 case WEAK_LIST_SIMPLE: | |
| 3305 if (marked_p (elem)) | |
| 3306 need_to_mark_cons = 1; | |
| 3307 break; | |
| 3308 | |
| 3309 case WEAK_LIST_ASSOC: | |
| 3310 if (!CONSP (elem)) | |
| 3311 { | |
| 3312 /* just leave bogus elements there */ | |
| 3313 need_to_mark_cons = 1; | |
| 3314 need_to_mark_elem = 1; | |
| 3315 } | |
| 3316 else if (marked_p (XCAR (elem)) && | |
| 3317 marked_p (XCDR (elem))) | |
| 3318 { | |
| 3319 need_to_mark_cons = 1; | |
| 3320 /* We still need to mark elem, because it's | |
| 3321 probably not marked. */ | |
| 3322 need_to_mark_elem = 1; | |
| 3323 } | |
| 3324 break; | |
| 3325 | |
| 3326 case WEAK_LIST_KEY_ASSOC: | |
| 3327 if (!CONSP (elem)) | |
| 3328 { | |
| 3329 /* just leave bogus elements there */ | |
| 3330 need_to_mark_cons = 1; | |
| 3331 need_to_mark_elem = 1; | |
| 3332 } | |
| 3333 else if (marked_p (XCAR (elem))) | |
| 3334 { | |
| 3335 need_to_mark_cons = 1; | |
| 3336 /* We still need to mark elem and XCDR (elem); | |
| 3337 marking elem does both */ | |
| 3338 need_to_mark_elem = 1; | |
| 3339 } | |
| 3340 break; | |
| 3341 | |
| 3342 case WEAK_LIST_VALUE_ASSOC: | |
| 3343 if (!CONSP (elem)) | |
| 3344 { | |
| 3345 /* just leave bogus elements there */ | |
| 3346 need_to_mark_cons = 1; | |
| 3347 need_to_mark_elem = 1; | |
| 3348 } | |
| 3349 else if (marked_p (XCDR (elem))) | |
| 3350 { | |
| 3351 need_to_mark_cons = 1; | |
| 3352 /* We still need to mark elem and XCAR (elem); | |
| 3353 marking elem does both */ | |
| 3354 need_to_mark_elem = 1; | |
| 3355 } | |
| 3356 break; | |
| 3357 | |
| 442 | 3358 case WEAK_LIST_FULL_ASSOC: |
| 3359 if (!CONSP (elem)) | |
| 3360 { | |
| 3361 /* just leave bogus elements there */ | |
| 3362 need_to_mark_cons = 1; | |
| 3363 need_to_mark_elem = 1; | |
| 3364 } | |
| 3365 else if (marked_p (XCAR (elem)) || | |
| 3366 marked_p (XCDR (elem))) | |
| 3367 { | |
| 3368 need_to_mark_cons = 1; | |
| 3369 /* We still need to mark elem and XCAR (elem); | |
| 3370 marking elem does both */ | |
| 3371 need_to_mark_elem = 1; | |
| 3372 } | |
| 3373 break; | |
| 3374 | |
| 428 | 3375 default: |
| 2500 | 3376 ABORT (); |
| 428 | 3377 } |
| 3378 | |
| 3379 if (need_to_mark_elem && ! marked_p (elem)) | |
| 3380 { | |
| 1598 | 3381 #ifdef USE_KKCC |
|
5169
6c6d78781d59
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>
parents:
5142
diff
changeset
|
3382 kkcc_gc_stack_push_lisp_object_0 (elem); |
| 1598 | 3383 #else /* NOT USE_KKCC */ |
| 428 | 3384 mark_object (elem); |
| 1598 | 3385 #endif /* NOT USE_KKCC */ |
| 428 | 3386 did_mark = 1; |
| 3387 } | |
| 3388 | |
| 3389 /* We also need to mark the cons that holds the elem or | |
| 3390 assoc-pair. We do *not* want to call (mark_object) here | |
| 3391 because that will mark the entire list; we just want to | |
| 3392 mark the cons itself. | |
| 3393 */ | |
| 3394 if (need_to_mark_cons) | |
| 3395 { | |
| 3396 Lisp_Cons *c = XCONS (rest2); | |
| 3397 if (!CONS_MARKED_P (c)) | |
| 3398 { | |
| 3399 MARK_CONS (c); | |
| 3400 did_mark = 1; | |
| 3401 } | |
| 3402 } | |
| 3403 } | |
| 3404 | |
| 3405 /* In case of imperfect list, need to mark the final cons | |
| 3406 because we're not removing it */ | |
| 3407 if (!NILP (rest2) && ! marked_p (rest2)) | |
| 3408 { | |
| 1598 | 3409 #ifdef USE_KKCC |
|
5169
6c6d78781d59
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Ben Wing <ben@xemacs.org>
parents:
5142
diff
changeset
|
3410 kkcc_gc_stack_push_lisp_object_0 (rest2); |
| 1598 | 3411 #else /* NOT USE_KKCC */ |
| 428 | 3412 mark_object (rest2); |
| 1598 | 3413 #endif /* NOT USE_KKCC */ |
| 428 | 3414 did_mark = 1; |
| 3415 } | |
| 3416 } | |
| 3417 | |
| 3418 return did_mark; | |
| 3419 } | |
| 3420 | |
| 3421 void | |
| 3422 prune_weak_lists (void) | |
| 3423 { | |
| 3424 Lisp_Object rest, prev = Qnil; | |
| 3425 | |
| 3426 for (rest = Vall_weak_lists; | |
| 3427 !NILP (rest); | |
| 3428 rest = XWEAK_LIST (rest)->next_weak) | |
| 3429 { | |
| 3430 if (! (marked_p (rest))) | |
| 3431 { | |
| 3432 /* This weak list itself is garbage. Remove it from the list. */ | |
| 3433 if (NILP (prev)) | |
| 3434 Vall_weak_lists = XWEAK_LIST (rest)->next_weak; | |
| 3435 else | |
| 3436 XWEAK_LIST (prev)->next_weak = | |
| 3437 XWEAK_LIST (rest)->next_weak; | |
| 3438 } | |
| 3439 else | |
| 3440 { | |
| 3441 Lisp_Object rest2, prev2 = Qnil; | |
| 3442 Lisp_Object tortoise; | |
| 3443 int go_tortoise = 0; | |
| 3444 | |
| 3445 for (rest2 = XWEAK_LIST (rest)->list, tortoise = rest2; | |
| 3446 /* We need to be trickier since we're inside of GC; | |
| 3447 use CONSP instead of !NILP in case of user-visible | |
| 3448 imperfect lists */ | |
| 3449 CONSP (rest2);) | |
| 3450 { | |
| 3451 /* It suffices to check the cons for marking, | |
| 3452 regardless of the type of weak list: | |
| 3453 | |
| 3454 -- if the cons is pointed to somewhere else, | |
| 3455 then it should stay around and will be marked. | |
| 3456 -- otherwise, if it should stay around, it will | |
| 3457 have been marked in finish_marking_weak_lists(). | |
| 3458 -- otherwise, it's not marked and should disappear. | |
| 3459 */ | |
| 3460 if (! marked_p (rest2)) | |
| 3461 { | |
| 3462 /* bye bye :-( */ | |
| 3463 if (NILP (prev2)) | |
| 3464 XWEAK_LIST (rest)->list = XCDR (rest2); | |
| 3465 else | |
| 3466 XCDR (prev2) = XCDR (rest2); | |
| 3467 rest2 = XCDR (rest2); | |
| 3468 /* Ouch. Circularity checking is even trickier | |
| 3469 than I thought. When we cut out a link | |
| 3470 like this, we can't advance the turtle or | |
| 3471 it'll catch up to us. Imagine that we're | |
| 3472 standing on floor tiles and moving forward -- | |
| 3473 what we just did here is as if the floor | |
| 3474 tile under us just disappeared and all the | |
| 3475 ones ahead of us slid one tile towards us. | |
| 3476 In other words, we didn't move at all; | |
| 3477 if the tortoise was one step behind us | |
| 3478 previously, it still is, and therefore | |
| 3479 it must not move. */ | |
| 3480 } | |
| 3481 else | |
| 3482 { | |
| 3483 prev2 = rest2; | |
| 3484 | |
| 3485 /* Implementing circularity checking is trickier here | |
| 3486 than in other places because we have to guarantee | |
| 3487 that we've processed all elements before exiting | |
| 3488 due to a circularity. (In most places, an error | |
| 3489 is issued upon encountering a circularity, so it | |
| 3490 doesn't really matter if all elements are processed.) | |
| 3491 The idea is that we process along with the hare | |
| 3492 rather than the tortoise. If at any point in | |
| 3493 our forward process we encounter the tortoise, | |
| 3494 we must have already visited the spot, so we exit. | |
| 3495 (If we process with the tortoise, we can fail to | |
| 3496 process cases where a cons points to itself, or | |
| 3497 where cons A points to cons B, which points to | |
| 3498 cons A.) */ | |
| 3499 | |
| 3500 rest2 = XCDR (rest2); | |
| 3501 if (go_tortoise) | |
| 3502 tortoise = XCDR (tortoise); | |
| 3503 go_tortoise = !go_tortoise; | |
| 3504 if (EQ (rest2, tortoise)) | |
| 3505 break; | |
| 3506 } | |
| 3507 } | |
| 3508 | |
| 3509 prev = rest; | |
| 3510 } | |
| 3511 } | |
| 3512 } | |
| 3513 | |
| 3514 static enum weak_list_type | |
| 3515 decode_weak_list_type (Lisp_Object symbol) | |
| 3516 { | |
| 3517 CHECK_SYMBOL (symbol); | |
| 3518 if (EQ (symbol, Qsimple)) return WEAK_LIST_SIMPLE; | |
| 3519 if (EQ (symbol, Qassoc)) return WEAK_LIST_ASSOC; | |
| 3520 if (EQ (symbol, Qold_assoc)) return WEAK_LIST_ASSOC; /* EBOLA ALERT! */ | |
| 3521 if (EQ (symbol, Qkey_assoc)) return WEAK_LIST_KEY_ASSOC; | |
| 3522 if (EQ (symbol, Qvalue_assoc)) return WEAK_LIST_VALUE_ASSOC; | |
| 442 | 3523 if (EQ (symbol, Qfull_assoc)) return WEAK_LIST_FULL_ASSOC; |
| 428 | 3524 |
| 563 | 3525 invalid_constant ("Invalid weak list type", symbol); |
| 1204 | 3526 RETURN_NOT_REACHED (WEAK_LIST_SIMPLE); |
| 428 | 3527 } |
| 3528 | |
| 3529 static Lisp_Object | |
| 3530 encode_weak_list_type (enum weak_list_type type) | |
| 3531 { | |
| 3532 switch (type) | |
| 3533 { | |
| 3534 case WEAK_LIST_SIMPLE: return Qsimple; | |
| 3535 case WEAK_LIST_ASSOC: return Qassoc; | |
| 3536 case WEAK_LIST_KEY_ASSOC: return Qkey_assoc; | |
| 3537 case WEAK_LIST_VALUE_ASSOC: return Qvalue_assoc; | |
| 442 | 3538 case WEAK_LIST_FULL_ASSOC: return Qfull_assoc; |
| 428 | 3539 default: |
| 2500 | 3540 ABORT (); |
| 428 | 3541 } |
| 3542 | |
| 801 | 3543 return Qnil; /* not (usually) reached */ |
| 428 | 3544 } |
| 3545 | |
| 3546 DEFUN ("weak-list-p", Fweak_list_p, 1, 1, 0, /* | |
| 3547 Return non-nil if OBJECT is a weak list. | |
| 3548 */ | |
| 3549 (object)) | |
| 3550 { | |
| 3551 return WEAK_LISTP (object) ? Qt : Qnil; | |
| 3552 } | |
| 3553 | |
| 3554 DEFUN ("make-weak-list", Fmake_weak_list, 0, 1, 0, /* | |
| 3555 Return a new weak list object of type TYPE. | |
| 3556 A weak list object is an object that contains a list. This list behaves | |
| 3557 like any other list except that its elements do not count towards | |
| 456 | 3558 garbage collection -- if the only pointer to an object is inside a weak |
| 428 | 3559 list (other than pointers in similar objects such as weak hash tables), |
| 3560 the object is garbage collected and automatically removed from the list. | |
| 3561 This is used internally, for example, to manage the list holding the | |
| 3562 children of an extent -- an extent that is unused but has a parent will | |
| 3563 still be reclaimed, and will automatically be removed from its parent's | |
| 3564 list of children. | |
| 3565 | |
| 3566 Optional argument TYPE specifies the type of the weak list, and defaults | |
| 3567 to `simple'. Recognized types are | |
| 3568 | |
| 3569 `simple' Objects in the list disappear if not pointed to. | |
| 3570 `assoc' Objects in the list disappear if they are conses | |
| 3571 and either the car or the cdr of the cons is not | |
| 3572 pointed to. | |
| 3573 `key-assoc' Objects in the list disappear if they are conses | |
| 3574 and the car is not pointed to. | |
| 3575 `value-assoc' Objects in the list disappear if they are conses | |
| 3576 and the cdr is not pointed to. | |
| 442 | 3577 `full-assoc' Objects in the list disappear if they are conses |
| 3578 and neither the car nor the cdr is pointed to. | |
| 428 | 3579 */ |
| 3580 (type)) | |
| 3581 { | |
| 3582 if (NILP (type)) | |
| 3583 type = Qsimple; | |
| 3584 | |
| 3585 return make_weak_list (decode_weak_list_type (type)); | |
| 3586 } | |
| 3587 | |
| 3588 DEFUN ("weak-list-type", Fweak_list_type, 1, 1, 0, /* | |
| 3589 Return the type of the given weak-list object. | |
| 3590 */ | |
| 3591 (weak)) | |
| 3592 { | |
| 3593 CHECK_WEAK_LIST (weak); | |
| 3594 return encode_weak_list_type (XWEAK_LIST (weak)->type); | |
| 3595 } | |
| 3596 | |
| 3597 DEFUN ("weak-list-list", Fweak_list_list, 1, 1, 0, /* | |
| 3598 Return the list contained in a weak-list object. | |
| 3599 */ | |
| 3600 (weak)) | |
| 3601 { | |
| 3602 CHECK_WEAK_LIST (weak); | |
| 3603 return XWEAK_LIST_LIST (weak); | |
| 3604 } | |
| 3605 | |
| 3606 DEFUN ("set-weak-list-list", Fset_weak_list_list, 2, 2, 0, /* | |
| 3607 Change the list contained in a weak-list object. | |
| 3608 */ | |
| 3609 (weak, new_list)) | |
| 3610 { | |
| 3611 CHECK_WEAK_LIST (weak); | |
| 3612 XWEAK_LIST_LIST (weak) = new_list; | |
| 3613 return new_list; | |
| 3614 } | |
| 3615 | |
| 888 | 3616 |
| 858 | 3617 /************************************************************************/ |
| 3618 /* weak boxes */ | |
| 3619 /************************************************************************/ | |
| 3620 | |
| 3621 static Lisp_Object Vall_weak_boxes; /* Gemarke es niemals ever!!! */ | |
| 3622 | |
| 3623 void | |
| 3624 prune_weak_boxes (void) | |
| 3625 { | |
| 3626 Lisp_Object rest, prev = Qnil; | |
| 888 | 3627 int removep = 0; |
| 858 | 3628 |
| 3629 for (rest = Vall_weak_boxes; | |
| 3630 !NILP(rest); | |
| 3631 rest = XWEAK_BOX (rest)->next_weak_box) | |
| 3632 { | |
| 3633 if (! (marked_p (rest))) | |
| 888 | 3634 /* This weak box itself is garbage. */ |
| 3635 removep = 1; | |
| 3636 | |
| 3637 if (! marked_p (XWEAK_BOX (rest)->value)) | |
| 3638 { | |
| 3639 XSET_WEAK_BOX (rest, Qnil); | |
| 3640 removep = 1; | |
| 3641 } | |
| 3642 | |
| 3643 if (removep) | |
| 3644 { | |
| 3645 /* Remove weak box from list. */ | |
| 3646 if (NILP (prev)) | |
| 3647 Vall_weak_boxes = XWEAK_BOX (rest)->next_weak_box; | |
| 3648 else | |
| 3649 XWEAK_BOX (prev)->next_weak_box = XWEAK_BOX (rest)->next_weak_box; | |
| 3650 removep = 0; | |
| 3651 } | |
| 3652 else | |
| 3653 prev = rest; | |
| 858 | 3654 } |
| 3655 } | |
| 3656 | |
| 3657 static Lisp_Object | |
| 2286 | 3658 mark_weak_box (Lisp_Object UNUSED (obj)) |
| 858 | 3659 { |
| 3660 return Qnil; | |
| 3661 } | |
| 3662 | |
| 3663 static void | |
|
5325
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diff
changeset
|
3664 print_weak_box (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) |
| 858 | 3665 { |
| 3666 if (print_readably) | |
|
5325
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parents:
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diff
changeset
|
3667 { |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
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parents:
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diff
changeset
|
3668 printing_unreadable_lisp_object (obj, 0); |
|
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Be more helpful in printing ephemerons, weak lists, and weak boxes.
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diff
changeset
|
3669 } |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
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diff
changeset
|
3670 |
|
47298dcf2e8f
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parents:
5307
diff
changeset
|
3671 write_ascstring (printcharfun, "#<weak-box "); |
|
47298dcf2e8f
Be more helpful in printing ephemerons, weak lists, and weak boxes.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
3672 print_internal (XWEAK_BOX (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
|
3673 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 858 | 3674 } |
| 3675 | |
| 3676 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
|
3677 weak_box_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 858 | 3678 { |
| 888 | 3679 struct weak_box *wb1 = XWEAK_BOX (obj1); |
| 3680 struct weak_box *wb2 = XWEAK_BOX (obj2); | |
| 858 | 3681 |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4885
diff
changeset
|
3682 return (internal_equal_0 (wb1->value, wb2->value, depth + 1, foldcase)); |
| 858 | 3683 } |
| 3684 | |
| 3685 static Hashcode | |
|
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Add #'equalp as a hash test by default; add #'define-hash-table-test, GNU API
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diff
changeset
|
3686 weak_box_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 858 | 3687 { |
| 888 | 3688 struct weak_box *wb = XWEAK_BOX (obj); |
| 858 | 3689 |
|
5191
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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
|
3690 return internal_hash (wb->value, depth + 1, equalp); |
| 858 | 3691 } |
| 3692 | |
| 3693 Lisp_Object | |
| 3694 make_weak_box (Lisp_Object value) | |
| 3695 { | |
|
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changeset
|
3696 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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changeset
|
3697 struct weak_box *wb = XWEAK_BOX (result); |
| 858 | 3698 |
| 3699 wb->value = value; | |
| 3700 result = wrap_weak_box (wb); | |
| 3701 wb->next_weak_box = Vall_weak_boxes; | |
| 3702 Vall_weak_boxes = result; | |
| 3703 return result; | |
| 3704 } | |
| 3705 | |
| 1204 | 3706 static const struct memory_description weak_box_description[] = { |
| 858 | 3707 { XD_LO_LINK, offsetof (struct weak_box, value) }, |
| 888 | 3708 { XD_END} |
| 858 | 3709 }; |
| 3710 | |
|
5118
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3711 DEFINE_NODUMP_LISP_OBJECT ("weak-box", weak_box, mark_weak_box, |
|
5124
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separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
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5118
diff
changeset
|
3712 print_weak_box, 0, weak_box_equal, |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5118
diff
changeset
|
3713 weak_box_hash, weak_box_description, |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5118
diff
changeset
|
3714 struct weak_box); |
| 858 | 3715 |
| 3716 DEFUN ("make-weak-box", Fmake_weak_box, 1, 1, 0, /* | |
| 3717 Return a new weak box from value CONTENTS. | |
| 3718 The weak box is a reference to CONTENTS which may be extracted with | |
| 3719 `weak-box-ref'. However, the weak box does not contribute to the | |
| 3720 reachability of CONTENTS. When CONTENTS is garbage-collected, | |
| 3721 `weak-box-ref' will return NIL. | |
| 3722 */ | |
| 3723 (value)) | |
| 3724 { | |
|
5752
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Improve coding style, variable names, data.c, sequence.c
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parents:
5736
diff
changeset
|
3725 return make_weak_box (value); |
| 858 | 3726 } |
| 3727 | |
| 3728 DEFUN ("weak-box-ref", Fweak_box_ref, 1, 1, 0, /* | |
| 3729 Return the contents of weak box WEAK-BOX. | |
| 3730 If the contents have been GCed, return NIL. | |
| 3731 */ | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3732 (weak_box)) |
| 858 | 3733 { |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3734 return XWEAK_BOX (weak_box)->value; |
| 858 | 3735 } |
| 3736 | |
| 3737 DEFUN ("weak-box-p", Fweak_boxp, 1, 1, 0, /* | |
| 3738 Return non-nil if OBJECT is a weak box. | |
| 3739 */ | |
| 3740 (object)) | |
| 3741 { | |
| 3742 return WEAK_BOXP (object) ? Qt : Qnil; | |
| 3743 } | |
| 3744 | |
| 888 | 3745 /************************************************************************/ |
| 3746 /* ephemerons */ | |
| 3747 /************************************************************************/ | |
| 3748 | |
| 993 | 3749 /* The concept of ephemerons is due to: |
| 3750 * Barry Hayes: Ephemerons: A New Finalization Mechanism. OOPSLA 1997: 176-183 | |
| 3751 * The original idea is due to George Bosworth of Digitalk, Inc. | |
| 3752 * | |
| 3753 * For a discussion of finalization and weakness that also reviews | |
| 3754 * ephemerons, refer to: | |
| 3755 * Simon Peyton Jones, Simon Marlow, Conal Elliot: | |
| 3756 * Stretching the storage manager | |
| 3757 * Implementation of Functional Languages, 1999 | |
| 3758 */ | |
| 3759 | |
| 888 | 3760 static Lisp_Object Vall_ephemerons; /* Gemarke es niemals ever!!! */ |
| 1590 | 3761 static Lisp_Object Vnew_all_ephemerons; |
| 888 | 3762 static Lisp_Object Vfinalize_list; |
| 3763 | |
| 1590 | 3764 void |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3765 init_marking_ephemerons (void) |
| 1590 | 3766 { |
| 3767 Vnew_all_ephemerons = Qnil; | |
| 3768 } | |
| 3769 | |
| 3770 /* Move all live ephemerons with live keys over to | |
| 3771 * Vnew_all_ephemerons, marking the values and finalizers along the | |
| 3772 * way. */ | |
| 3773 | |
| 3774 int | |
|
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
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changeset
|
3775 continue_marking_ephemerons (void) |
| 1590 | 3776 { |
| 3777 Lisp_Object rest = Vall_ephemerons, next, prev = Qnil; | |
| 3778 int did_mark = 0; | |
| 3779 | |
| 3780 while (!NILP (rest)) | |
| 3781 { | |
| 3782 next = XEPHEMERON_NEXT (rest); | |
| 3783 | |
| 3784 if (marked_p (rest)) | |
| 3785 { | |
| 3786 MARK_CONS (XCONS (XEPHEMERON (rest)->cons_chain)); | |
| 3787 if (marked_p (XEPHEMERON (rest)->key)) | |
| 3788 { | |
| 1598 | 3789 #ifdef USE_KKCC |
|
5169
6c6d78781d59
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>
parents:
5142
diff
changeset
|
3790 kkcc_gc_stack_push_lisp_object_0 |
|
6c6d78781d59
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>
parents:
5142
diff
changeset
|
3791 (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3792 #else /* NOT USE_KKCC */ |
| 1590 | 3793 mark_object (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3794 #endif /* NOT USE_KKCC */ |
| 1590 | 3795 did_mark = 1; |
| 3796 XSET_EPHEMERON_NEXT (rest, Vnew_all_ephemerons); | |
| 3797 Vnew_all_ephemerons = rest; | |
| 3798 if (NILP (prev)) | |
| 3799 Vall_ephemerons = next; | |
| 3800 else | |
| 3801 XSET_EPHEMERON_NEXT (prev, next); | |
| 3802 } | |
| 3803 else | |
| 3804 prev = rest; | |
| 3805 } | |
| 3806 else | |
| 3807 prev = rest; | |
| 3808 | |
| 3809 rest = next; | |
| 3810 } | |
| 3811 | |
| 3812 return did_mark; | |
| 3813 } | |
| 3814 | |
| 3815 /* At this point, everything that's in Vall_ephemerons is dead. | |
| 3816 * Well, almost: we still need to run the finalizers, so we need to | |
| 3817 * resurrect them. | |
| 3818 */ | |
| 3819 | |
| 888 | 3820 int |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3821 finish_marking_ephemerons (void) |
| 888 | 3822 { |
| 1590 | 3823 Lisp_Object rest = Vall_ephemerons, next, prev = Qnil; |
| 888 | 3824 int did_mark = 0; |
| 3825 | |
| 3826 while (! NILP (rest)) | |
| 3827 { | |
| 3828 next = XEPHEMERON_NEXT (rest); | |
| 3829 | |
| 3830 if (marked_p (rest)) | |
| 1590 | 3831 /* The ephemeron itself is live, but its key is garbage */ |
| 888 | 3832 { |
| 1590 | 3833 /* tombstone */ |
| 3834 XSET_EPHEMERON_VALUE (rest, Qnil); | |
| 3835 | |
| 3836 if (! NILP (XEPHEMERON_FINALIZER (rest))) | |
| 888 | 3837 { |
| 1590 | 3838 MARK_CONS (XCONS (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3839 #ifdef USE_KKCC |
|
5169
6c6d78781d59
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>
parents:
5142
diff
changeset
|
3840 kkcc_gc_stack_push_lisp_object_0 |
|
6c6d78781d59
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>
parents:
5142
diff
changeset
|
3841 (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3842 #else /* NOT USE_KKCC */ |
| 1590 | 3843 mark_object (XCAR (XEPHEMERON (rest)->cons_chain)); |
| 1598 | 3844 #endif /* NOT USE_KKCC */ |
| 1590 | 3845 |
| 3846 /* Register the finalizer */ | |
| 3847 XSET_EPHEMERON_NEXT (rest, Vfinalize_list); | |
| 3848 Vfinalize_list = XEPHEMERON (rest)->cons_chain; | |
| 3849 did_mark = 1; | |
| 888 | 3850 } |
| 3851 | |
| 3852 /* Remove it from the list. */ | |
| 3853 if (NILP (prev)) | |
| 3854 Vall_ephemerons = next; | |
| 3855 else | |
| 3856 XSET_EPHEMERON_NEXT (prev, next); | |
| 3857 } | |
| 3858 else | |
| 3859 prev = rest; | |
| 3860 | |
| 3861 rest = next; | |
| 3862 } | |
| 1590 | 3863 |
| 3864 return did_mark; | |
| 3865 } | |
| 3866 | |
| 3867 void | |
|
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Improve coding style, variable names, data.c, sequence.c
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parents:
5736
diff
changeset
|
3868 prune_ephemerons (void) |
| 1590 | 3869 { |
| 3870 Vall_ephemerons = Vnew_all_ephemerons; | |
| 888 | 3871 } |
| 3872 | |
| 3873 Lisp_Object | |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3874 zap_finalize_list (void) |
| 888 | 3875 { |
| 3876 Lisp_Object finalizers = Vfinalize_list; | |
| 3877 | |
| 3878 Vfinalize_list = Qnil; | |
| 3879 | |
| 3880 return finalizers; | |
| 3881 } | |
| 3882 | |
| 3883 static Lisp_Object | |
| 2286 | 3884 mark_ephemeron (Lisp_Object UNUSED (obj)) |
| 888 | 3885 { |
| 3886 return Qnil; | |
| 3887 } | |
| 3888 | |
| 3889 static void | |
|
5325
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5307
diff
changeset
|
3890 print_ephemeron (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) |
| 888 | 3891 { |
| 3892 if (print_readably) | |
|
5325
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5307
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changeset
|
3893 { |
|
47298dcf2e8f
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5307
diff
changeset
|
3894 printing_unreadable_lisp_object (obj, 0); |
|
47298dcf2e8f
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5307
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changeset
|
3895 } |
|
47298dcf2e8f
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5307
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changeset
|
3896 |
|
47298dcf2e8f
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diff
changeset
|
3897 write_ascstring (printcharfun, "#<ephemeron :key "); |
|
47298dcf2e8f
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5307
diff
changeset
|
3898 print_internal (XEPHEMERON (obj)->key, printcharfun, escapeflag); |
|
47298dcf2e8f
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changeset
|
3899 write_ascstring (printcharfun, " :value "); |
|
47298dcf2e8f
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diff
changeset
|
3900 print_internal (XEPHEMERON (obj)->value, printcharfun, escapeflag); |
|
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changeset
|
3901 write_ascstring (printcharfun, " :finalizer "); |
|
47298dcf2e8f
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changeset
|
3902 print_internal (XEPHEMERON_FINALIZER (obj), printcharfun, escapeflag); |
|
47298dcf2e8f
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|
3903 write_fmt_string (printcharfun, " 0x%x>", LISP_OBJECT_UID (obj)); |
| 888 | 3904 } |
| 3905 | |
| 3906 static int | |
|
4906
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implement equalp in C, fix case-folding, add equal() method for keymaps
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changeset
|
3907 ephemeron_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
| 888 | 3908 { |
| 3909 return | |
|
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changeset
|
3910 internal_equal_0 (XEPHEMERON_REF (obj1), XEPHEMERON_REF (obj2), |
|
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
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changeset
|
3911 depth + 1, foldcase); |
| 888 | 3912 } |
| 3913 | |
| 3914 static Hashcode | |
|
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changeset
|
3915 ephemeron_hash (Lisp_Object obj, int depth, Boolint equalp) |
| 888 | 3916 { |
|
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5169
diff
changeset
|
3917 return internal_hash (XEPHEMERON_REF (obj), depth + 1, equalp); |
| 888 | 3918 } |
| 3919 | |
| 3920 Lisp_Object | |
|
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changeset
|
3921 make_ephemeron (Lisp_Object key, Lisp_Object value, Lisp_Object finalizer) |
| 888 | 3922 { |
|
5117
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changeset
|
3923 Lisp_Object temp = Qnil; |
| 888 | 3924 struct gcpro gcpro1, gcpro2; |
|
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changeset
|
3925 Lisp_Object result = ALLOC_NORMAL_LISP_OBJECT (ephemeron); |
|
5117
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changeset
|
3926 struct ephemeron *eph = XEPHEMERON (result); |
| 888 | 3927 |
| 3928 eph->key = Qnil; | |
| 3929 eph->cons_chain = Qnil; | |
| 3930 eph->value = Qnil; | |
| 3931 | |
|
5117
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parents:
3017
diff
changeset
|
3932 result = wrap_ephemeron (eph); |
| 888 | 3933 GCPRO2 (result, temp); |
| 3934 | |
| 3935 eph->key = key; | |
|
5117
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3017
diff
changeset
|
3936 temp = Fcons (value, finalizer); |
|
3742ea8250b5
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diff
changeset
|
3937 eph->cons_chain = Fcons (temp, Vall_ephemerons); |
| 888 | 3938 eph->value = value; |
| 3939 | |
| 3940 Vall_ephemerons = result; | |
| 3941 | |
| 3942 UNGCPRO; | |
| 3943 return result; | |
| 3944 } | |
| 3945 | |
| 1598 | 3946 /* Ephemerons are special cases in the KKCC mark algorithm, so nothing |
| 3947 is marked here. */ | |
| 1204 | 3948 static const struct memory_description ephemeron_description[] = { |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3949 { XD_LISP_OBJECT, offsetof (struct ephemeron, key), |
| 2551 | 3950 0, { 0 }, XD_FLAG_NO_KKCC }, |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3951 { XD_LISP_OBJECT, offsetof (struct ephemeron, cons_chain), |
| 2551 | 3952 0, { 0 }, XD_FLAG_NO_KKCC }, |
|
5752
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Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3953 { XD_LISP_OBJECT, offsetof (struct ephemeron, value), |
| 2551 | 3954 0, { 0 }, XD_FLAG_NO_KKCC }, |
| 888 | 3955 { XD_END } |
| 3956 }; | |
| 3957 | |
|
5118
e0db3c197671
merge up to latest default branch, doesn't compile yet
Ben Wing <ben@xemacs.org>
diff
changeset
|
3958 DEFINE_NODUMP_LISP_OBJECT ("ephemeron", ephemeron, |
|
5124
623d57b7fbe8
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Ben Wing <ben@xemacs.org>
parents:
5118
diff
changeset
|
3959 mark_ephemeron, print_ephemeron, |
|
623d57b7fbe8
separate regular and disksave finalization, print method fixes.
Ben Wing <ben@xemacs.org>
parents:
5118
diff
changeset
|
3960 0, ephemeron_equal, ephemeron_hash, |
|
623d57b7fbe8
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Ben Wing <ben@xemacs.org>
parents:
5118
diff
changeset
|
3961 ephemeron_description, |
|
623d57b7fbe8
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Ben Wing <ben@xemacs.org>
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5118
diff
changeset
|
3962 struct ephemeron); |
| 888 | 3963 |
| 3964 DEFUN ("make-ephemeron", Fmake_ephemeron, 2, 3, 0, /* | |
| 1590 | 3965 Return a new ephemeron with key KEY, value VALUE, and finalizer FINALIZER. |
| 3966 The ephemeron is a reference to VALUE which may be extracted with | |
| 3967 `ephemeron-ref'. VALUE is only reachable through the ephemeron as | |
| 888 | 3968 long as KEY is reachable; the ephemeron does not contribute to the |
| 3969 reachability of KEY. When KEY becomes unreachable while the ephemeron | |
| 1590 | 3970 itself is still reachable, VALUE is queued for finalization: FINALIZER |
| 3971 will possibly be called on VALUE some time in the future. Moreover, | |
| 888 | 3972 future calls to `ephemeron-ref' will return NIL. |
| 3973 */ | |
| 3974 (key, value, finalizer)) | |
| 3975 { | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3976 return make_ephemeron (key, value, finalizer); |
| 888 | 3977 } |
| 3978 | |
| 3979 DEFUN ("ephemeron-ref", Fephemeron_ref, 1, 1, 0, /* | |
| 3980 Return the contents of ephemeron EPHEMERON. | |
| 3981 If the contents have been GCed, return NIL. | |
| 3982 */ | |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3983 (ephemeron)) |
| 888 | 3984 { |
|
5752
70a3f4ff8da8
Improve coding style, variable names, data.c, sequence.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
5736
diff
changeset
|
3985 return XEPHEMERON_REF (ephemeron); |
| 888 | 3986 } |
| 3987 | |
| 3988 DEFUN ("ephemeron-p", Fephemeronp, 1, 1, 0, /* | |
| 3989 Return non-nil if OBJECT is an ephemeron. | |
| 3990 */ | |
| 3991 (object)) | |
| 3992 { | |
| 3993 return EPHEMERONP (object) ? Qt : Qnil; | |
| 3994 } | |
| 428 | 3995 |
| 3996 /************************************************************************/ | |
| 3997 /* initialization */ | |
| 3998 /************************************************************************/ | |
| 3999 | |
| 4000 static SIGTYPE | |
| 4001 arith_error (int signo) | |
| 4002 { | |
| 4003 EMACS_REESTABLISH_SIGNAL (signo, arith_error); | |
| 4004 EMACS_UNBLOCK_SIGNAL (signo); | |
| 563 | 4005 signal_error (Qarith_error, 0, Qunbound); |
| 428 | 4006 } |
| 4007 | |
| 4008 void | |
| 4009 init_data_very_early (void) | |
| 4010 { | |
| 4011 /* Don't do this if just dumping out. | |
| 4012 We don't want to call `signal' in this case | |
| 4013 so that we don't have trouble with dumping | |
| 4014 signal-delivering routines in an inconsistent state. */ | |
| 4015 if (!initialized) | |
| 4016 return; | |
| 613 | 4017 EMACS_SIGNAL (SIGFPE, arith_error); |
| 428 | 4018 #ifdef uts |
| 613 | 4019 EMACS_SIGNAL (SIGEMT, arith_error); |
| 428 | 4020 #endif /* uts */ |
| 4021 } | |
| 4022 | |
| 4023 void | |
| 4024 init_errors_once_early (void) | |
| 4025 { | |
| 442 | 4026 DEFSYMBOL (Qerror_conditions); |
| 4027 DEFSYMBOL (Qerror_message); | |
| 428 | 4028 |
| 4029 /* We declare the errors here because some other deferrors depend | |
| 4030 on some of the errors below. */ | |
| 4031 | |
| 4032 /* ERROR is used as a signaler for random errors for which nothing | |
| 4033 else is right */ | |
| 4034 | |
| 442 | 4035 DEFERROR (Qerror, "error", Qnil); |
| 4036 DEFERROR_STANDARD (Qquit, Qnil); | |
| 428 | 4037 |
| 563 | 4038 DEFERROR_STANDARD (Qinvalid_argument, Qerror); |
| 4039 | |
| 4040 DEFERROR_STANDARD (Qsyntax_error, Qinvalid_argument); | |
| 442 | 4041 DEFERROR_STANDARD (Qinvalid_read_syntax, Qsyntax_error); |
| 563 | 4042 DEFERROR_STANDARD (Qstructure_formation_error, Qsyntax_error); |
| 4043 DEFERROR_STANDARD (Qlist_formation_error, Qstructure_formation_error); | |
| 442 | 4044 DEFERROR_STANDARD (Qmalformed_list, Qlist_formation_error); |
| 4045 DEFERROR_STANDARD (Qmalformed_property_list, Qmalformed_list); | |
| 4046 DEFERROR_STANDARD (Qcircular_list, Qlist_formation_error); | |
| 4047 DEFERROR_STANDARD (Qcircular_property_list, Qcircular_list); | |
| 428 | 4048 |
| 442 | 4049 DEFERROR_STANDARD (Qwrong_type_argument, Qinvalid_argument); |
| 4050 DEFERROR_STANDARD (Qargs_out_of_range, Qinvalid_argument); | |
| 4051 DEFERROR_STANDARD (Qwrong_number_of_arguments, Qinvalid_argument); | |
| 4052 DEFERROR_STANDARD (Qinvalid_function, Qinvalid_argument); | |
| 563 | 4053 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
|
4054 DEFERROR_STANDARD (Qinvalid_keyword_argument, Qinvalid_argument); |
| 442 | 4055 DEFERROR (Qno_catch, "No catch for tag", Qinvalid_argument); |
| 4056 | |
| 563 | 4057 DEFERROR_STANDARD (Qinvalid_state, Qerror); |
| 442 | 4058 DEFERROR (Qvoid_function, "Symbol's function definition is void", |
| 4059 Qinvalid_state); | |
| 4060 DEFERROR (Qcyclic_function_indirection, | |
| 4061 "Symbol's chain of function indirections contains a loop", | |
| 4062 Qinvalid_state); | |
| 4063 DEFERROR (Qvoid_variable, "Symbol's value as variable is void", | |
| 4064 Qinvalid_state); | |
| 4065 DEFERROR (Qcyclic_variable_indirection, | |
| 4066 "Symbol's chain of variable indirections contains a loop", | |
| 4067 Qinvalid_state); | |
| 563 | 4068 DEFERROR_STANDARD (Qstack_overflow, Qinvalid_state); |
| 4069 DEFERROR_STANDARD (Qinternal_error, Qinvalid_state); | |
| 4070 DEFERROR_STANDARD (Qout_of_memory, Qinvalid_state); | |
| 428 | 4071 |
| 563 | 4072 DEFERROR_STANDARD (Qinvalid_operation, Qerror); |
| 4073 DEFERROR_STANDARD (Qinvalid_change, Qinvalid_operation); | |
| 442 | 4074 DEFERROR (Qsetting_constant, "Attempt to set a constant symbol", |
| 4075 Qinvalid_change); | |
| 563 | 4076 DEFERROR_STANDARD (Qprinting_unreadable_object, Qinvalid_operation); |
| 4077 DEFERROR (Qunimplemented, "Feature not yet implemented", Qinvalid_operation); | |
| 442 | 4078 |
| 563 | 4079 DEFERROR_STANDARD (Qediting_error, Qinvalid_operation); |
| 442 | 4080 DEFERROR_STANDARD (Qbeginning_of_buffer, Qediting_error); |
| 4081 DEFERROR_STANDARD (Qend_of_buffer, Qediting_error); | |
| 4082 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
|
4083 DEFERROR (Qextent_read_only, "Extent is read-only", Qediting_error); |
| 442 | 4084 |
| 4085 DEFERROR (Qio_error, "IO Error", Qinvalid_operation); | |
| 563 | 4086 DEFERROR_STANDARD (Qfile_error, Qio_error); |
| 4087 DEFERROR (Qend_of_file, "End of file or stream", Qfile_error); | |
| 4088 DEFERROR_STANDARD (Qconversion_error, Qio_error); | |
| 580 | 4089 DEFERROR_STANDARD (Qtext_conversion_error, Qconversion_error); |
| 442 | 4090 |
| 4091 DEFERROR (Qarith_error, "Arithmetic error", Qinvalid_operation); | |
| 4092 DEFERROR (Qrange_error, "Arithmetic range error", Qarith_error); | |
| 4093 DEFERROR (Qdomain_error, "Arithmetic domain error", Qarith_error); | |
| 4094 DEFERROR (Qsingularity_error, "Arithmetic singularity error", Qdomain_error); | |
| 4095 DEFERROR (Qoverflow_error, "Arithmetic overflow error", Qdomain_error); | |
| 4096 DEFERROR (Qunderflow_error, "Arithmetic underflow error", Qdomain_error); | |
| 428 | 4097 } |
| 4098 | |
| 4099 void | |
| 4100 syms_of_data (void) | |
| 4101 { | |
|
5117
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
4102 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
|
4103 INIT_LISP_OBJECT (ephemeron); |
|
3742ea8250b5
Checking in final CVS version of workspace 'ben-lisp-object'
Ben Wing <ben@xemacs.org>
parents:
3017
diff
changeset
|
4104 INIT_LISP_OBJECT (weak_box); |
| 442 | 4105 |
| 4106 DEFSYMBOL (Qlambda); | |
| 4107 DEFSYMBOL (Qlistp); | |
| 4108 DEFSYMBOL (Qtrue_list_p); | |
| 4109 DEFSYMBOL (Qconsp); | |
| 4110 DEFSYMBOL (Qsubrp); | |
| 4111 DEFSYMBOL (Qsymbolp); | |
| 4112 DEFSYMBOL (Qintegerp); | |
| 4113 DEFSYMBOL (Qcharacterp); | |
| 4114 DEFSYMBOL (Qnatnump); | |
| 1983 | 4115 DEFSYMBOL (Qnonnegativep); |
| 442 | 4116 DEFSYMBOL (Qstringp); |
| 4117 DEFSYMBOL (Qarrayp); | |
| 4118 DEFSYMBOL (Qsequencep); | |
| 4119 DEFSYMBOL (Qbufferp); | |
| 4120 DEFSYMBOL (Qbitp); | |
| 4121 DEFSYMBOL_MULTIWORD_PREDICATE (Qbit_vectorp); | |
| 4122 DEFSYMBOL (Qvectorp); | |
| 4123 DEFSYMBOL (Qchar_or_string_p); | |
| 4124 DEFSYMBOL (Qmarkerp); | |
| 4125 DEFSYMBOL (Qinteger_or_marker_p); | |
| 4126 DEFSYMBOL (Qinteger_or_char_p); | |
| 4127 DEFSYMBOL (Qinteger_char_or_marker_p); | |
| 4128 DEFSYMBOL (Qnumberp); | |
| 4129 DEFSYMBOL (Qnumber_char_or_marker_p); | |
| 4130 DEFSYMBOL (Qcdr); | |
| 563 | 4131 DEFSYMBOL (Qerror_lacks_explanatory_string); |
| 442 | 4132 DEFSYMBOL_MULTIWORD_PREDICATE (Qweak_listp); |
| 4133 DEFSYMBOL (Qfloatp); | |
| 428 | 4134 |
|
5864
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4135 DEFKEYWORD (Q_radix); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4136 DEFKEYWORD (Q_junk_allowed); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4137 DEFKEYWORD (Q_radix_table); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4138 |
| 428 | 4139 DEFSUBR (Fwrong_type_argument); |
| 4140 | |
| 1983 | 4141 #ifdef HAVE_RATIO |
| 4142 DEFSUBR (Fdiv); | |
| 4143 #endif | |
| 428 | 4144 DEFSUBR (Feq); |
| 4145 DEFSUBR (Fnull); | |
| 4146 Ffset (intern ("not"), intern ("null")); | |
| 4147 DEFSUBR (Flistp); | |
| 4148 DEFSUBR (Fnlistp); | |
| 4149 DEFSUBR (Ftrue_list_p); | |
| 4150 DEFSUBR (Fconsp); | |
| 4151 DEFSUBR (Fatom); | |
| 4152 DEFSUBR (Fchar_or_string_p); | |
| 4153 DEFSUBR (Fcharacterp); | |
| 4154 DEFSUBR (Fchar_int_p); | |
| 4155 DEFSUBR (Fchar_to_int); | |
| 4156 DEFSUBR (Fint_to_char); | |
| 4157 DEFSUBR (Fchar_or_char_int_p); | |
| 1983 | 4158 DEFSUBR (Ffixnump); |
| 428 | 4159 DEFSUBR (Fintegerp); |
| 4160 DEFSUBR (Finteger_or_marker_p); | |
| 4161 DEFSUBR (Finteger_or_char_p); | |
| 4162 DEFSUBR (Finteger_char_or_marker_p); | |
| 4163 DEFSUBR (Fnumberp); | |
| 4164 DEFSUBR (Fnumber_or_marker_p); | |
| 4165 DEFSUBR (Fnumber_char_or_marker_p); | |
| 4166 DEFSUBR (Ffloatp); | |
| 4167 DEFSUBR (Fnatnump); | |
| 1983 | 4168 DEFSUBR (Fnonnegativep); |
| 428 | 4169 DEFSUBR (Fsymbolp); |
| 4170 DEFSUBR (Fkeywordp); | |
| 4171 DEFSUBR (Fstringp); | |
| 4172 DEFSUBR (Fvectorp); | |
| 4173 DEFSUBR (Fbitp); | |
| 4174 DEFSUBR (Fbit_vector_p); | |
| 4175 DEFSUBR (Farrayp); | |
| 4176 DEFSUBR (Fsequencep); | |
| 4177 DEFSUBR (Fmarkerp); | |
| 4178 DEFSUBR (Fsubrp); | |
| 4179 DEFSUBR (Fsubr_min_args); | |
| 4180 DEFSUBR (Fsubr_max_args); | |
| 4181 DEFSUBR (Fsubr_interactive); | |
| 4182 DEFSUBR (Ftype_of); | |
| 4183 DEFSUBR (Fcar); | |
| 4184 DEFSUBR (Fcdr); | |
| 4185 DEFSUBR (Fcar_safe); | |
| 4186 DEFSUBR (Fcdr_safe); | |
| 4187 DEFSUBR (Fsetcar); | |
| 4188 DEFSUBR (Fsetcdr); | |
| 4189 DEFSUBR (Findirect_function); | |
| 4190 DEFSUBR (Faref); | |
| 4191 DEFSUBR (Faset); | |
| 4192 | |
| 4193 DEFSUBR (Fnumber_to_string); | |
| 4194 DEFSUBR (Fstring_to_number); | |
|
5864
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4195 DEFSUBR (Fset_digit_fixnum_map); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4196 DEFSUBR (Fdigit_char_p); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4197 DEFSUBR (Fdigit_char); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4198 DEFSUBR (Fparse_integer); |
| 428 | 4199 DEFSUBR (Feqlsign); |
| 4200 DEFSUBR (Flss); | |
| 4201 DEFSUBR (Fgtr); | |
| 4202 DEFSUBR (Fleq); | |
| 4203 DEFSUBR (Fgeq); | |
| 4204 DEFSUBR (Fneq); | |
| 4205 DEFSUBR (Fzerop); | |
| 4206 DEFSUBR (Fplus); | |
| 4207 DEFSUBR (Fminus); | |
| 4208 DEFSUBR (Ftimes); | |
| 4209 DEFSUBR (Fquo); | |
| 4210 DEFSUBR (Frem); | |
| 4211 DEFSUBR (Fmod); | |
| 4212 DEFSUBR (Fmax); | |
| 4213 DEFSUBR (Fmin); | |
| 4214 DEFSUBR (Flogand); | |
| 4215 DEFSUBR (Flogior); | |
| 4216 DEFSUBR (Flogxor); | |
| 4217 DEFSUBR (Flsh); | |
| 4218 DEFSUBR (Fash); | |
| 4219 DEFSUBR (Fadd1); | |
| 4220 DEFSUBR (Fsub1); | |
| 4221 DEFSUBR (Flognot); | |
| 4222 | |
| 4223 DEFSUBR (Fweak_list_p); | |
| 4224 DEFSUBR (Fmake_weak_list); | |
| 4225 DEFSUBR (Fweak_list_type); | |
| 4226 DEFSUBR (Fweak_list_list); | |
| 4227 DEFSUBR (Fset_weak_list_list); | |
| 858 | 4228 |
| 888 | 4229 DEFSUBR (Fmake_ephemeron); |
| 4230 DEFSUBR (Fephemeron_ref); | |
| 4231 DEFSUBR (Fephemeronp); | |
| 858 | 4232 DEFSUBR (Fmake_weak_box); |
| 4233 DEFSUBR (Fweak_box_ref); | |
| 4234 DEFSUBR (Fweak_boxp); | |
| 428 | 4235 } |
| 4236 | |
| 4237 void | |
| 4238 vars_of_data (void) | |
| 4239 { | |
| 4240 /* This must not be staticpro'd */ | |
| 4241 Vall_weak_lists = Qnil; | |
| 452 | 4242 dump_add_weak_object_chain (&Vall_weak_lists); |
| 428 | 4243 |
| 888 | 4244 Vall_ephemerons = Qnil; |
| 4245 dump_add_weak_object_chain (&Vall_ephemerons); | |
| 4246 | |
| 4247 Vfinalize_list = Qnil; | |
| 4248 staticpro (&Vfinalize_list); | |
| 4249 | |
| 858 | 4250 Vall_weak_boxes = Qnil; |
| 4251 dump_add_weak_object_chain (&Vall_weak_boxes); | |
| 4252 | |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
parents:
4846
diff
changeset
|
4253 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>
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4846
diff
changeset
|
4254 The fixnum closest in value to negative infinity. |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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4846
diff
changeset
|
4255 */); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
4256 Vmost_negative_fixnum = MOST_NEGATIVE_FIXNUM; |
|
4885
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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4846
diff
changeset
|
4257 |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
Aidan Kehoe <kehoea@parhasard.net>
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4846
diff
changeset
|
4258 DEFVAR_CONST_INT ("most-positive-fixnum", &Vmost_positive_fixnum /* |
|
6772ce4d982b
Fix hash tables, #'member*, #'assoc*, #'eql compiler macros if bignums
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4846
diff
changeset
|
4259 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
|
4260 */); |
|
5581
56144c8593a8
Mechanically change INT to FIXNUM in our sources.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5510
diff
changeset
|
4261 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
|
4262 |
|
5864
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4263 DEFVAR_CONST_LISP ("digit-fixnum-map", &Vdigit_fixnum_map /* |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5769
diff
changeset
|
4264 Table used to determine a character's numeric value when parsing. |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4265 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4266 This is a character table with fixnum values. A value of -1 indicates this |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4267 character does not have an assigned numeric value. See `parse-integer', |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4268 `digit-char-p', and `digit-char'. |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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|
4269 */); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4270 Vdigit_fixnum_map = Fmake_char_table (Qgeneric); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4271 set_char_table_default (Vdigit_fixnum_map, make_fixnum (-1)); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4272 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4273 int ii = 0; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4274 |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4275 for (ii = 0; ii < 10; ++ii) |
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Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4276 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4277 XCHAR_TABLE (Vdigit_fixnum_map)->ascii['0' + ii] = make_fixnum(ii); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4278 } |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4279 |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4280 for (ii = 10; ii < 36; ++ii) |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4281 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4282 XCHAR_TABLE (Vdigit_fixnum_map)->ascii['a' + (ii - 10)] |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4283 = make_fixnum(ii); |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
Aidan Kehoe <kehoea@parhasard.net>
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4284 XCHAR_TABLE (Vdigit_fixnum_map)->ascii['A' + (ii - 10)] |
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750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4285 = make_fixnum(ii); |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4286 } |
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4287 } |
|
750fab17b299
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4288 { |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4289 Ascbyte *fixnum_tab = alloca_ascbytes (36 * MAX_ICHAR_LEN), *ptr; |
|
750fab17b299
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4290 int ii; |
|
750fab17b299
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4291 Ichar cc; |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4292 memset ((void *)fixnum_tab, 0, 36 * MAX_ICHAR_LEN); |
|
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4293 |
|
750fab17b299
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4294 /* The whole point of fixnum_to_character_table is access as an array, |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4295 avoid O(N) issues by giving every character MAX_ICHAR_LEN of |
|
750fab17b299
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Aidan Kehoe <kehoea@parhasard.net>
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|
4296 bytes. */ |
|
750fab17b299
Make #'parse-integer Lisp-visible, extend it, allowing non-ASCII digits.
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4297 for (ii = 0, ptr = fixnum_tab; ii < 36; ++ii, ptr += MAX_ICHAR_LEN) |
|
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Aidan Kehoe <kehoea@parhasard.net>
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4298 { |
|
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4299 cc = ii < 10 ? '0' + ii : 'A' + (ii - 10); |
|
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|
4300 set_itext_ichar ((Ibyte *) ptr, cc); |
|
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|
4301 } |
|
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|
4302 |
|
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|
4303 /* Sigh, we can't call build_fixnum_to_char_map() on Vdigit_fixnum_map, |
|
750fab17b299
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|
4304 this is too early in the boot sequence to map across a char table. Do |
|
750fab17b299
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|
4305 it by hand. */ |
|
5871
58e72e27fb81
Don't rely on zero termination for Vfixnum_to_char_map, thank you Vin.
Aidan Kehoe <kehoea@parhasard.net>
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5870
diff
changeset
|
4306 ASSERT_ASCTEXT_ASCII_LEN (fixnum_tab, 36 * MAX_ICHAR_LEN); |
|
58e72e27fb81
Don't rely on zero termination for Vfixnum_to_char_map, thank you Vin.
Aidan Kehoe <kehoea@parhasard.net>
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diff
changeset
|
4307 Vfixnum_to_char_map |
|
58e72e27fb81
Don't rely on zero termination for Vfixnum_to_char_map, thank you Vin.
Aidan Kehoe <kehoea@parhasard.net>
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|
4308 = make_string ((const Ibyte*) fixnum_tab, 36 * MAX_ICHAR_LEN); |
|
5864
750fab17b299
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|
4309 staticpro (&Vfixnum_to_char_map); |
|
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4310 } |
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4311 |
| 428 | 4312 #ifdef DEBUG_XEMACS |
| 4313 DEFVAR_BOOL ("debug-issue-ebola-notices", &debug_issue_ebola_notices /* | |
| 4314 If non-zero, note when your code may be suffering from char-int confoundance. | |
| 4315 That is to say, if XEmacs encounters a usage of `eq', `memq', `equal', | |
| 4316 etc. where an int and a char with the same value are being compared, | |
| 4317 it will issue a notice on stderr to this effect, along with a backtrace. | |
| 4318 In such situations, the result would be different in XEmacs 19 versus | |
| 4319 XEmacs 20, and you probably don't want this. | |
| 4320 | |
| 4321 Note that in order to see these notices, you have to byte compile your | |
| 4322 code under XEmacs 20 -- any code byte-compiled under XEmacs 19 will | |
| 4323 have its chars and ints all confounded in the byte code, making it | |
| 4324 impossible to accurately determine Ebola infection. | |
| 4325 */ ); | |
| 4326 | |
| 4327 debug_issue_ebola_notices = 0; | |
| 4328 | |
| 4329 DEFVAR_INT ("debug-ebola-backtrace-length", | |
| 4330 &debug_ebola_backtrace_length /* | |
| 4331 Length (in stack frames) of short backtrace printed out in Ebola notices. | |
| 4332 See `debug-issue-ebola-notices'. | |
| 4333 */ ); | |
| 4334 debug_ebola_backtrace_length = 32; | |
| 4335 | |
| 4336 #endif /* DEBUG_XEMACS */ | |
| 4337 } |