Mercurial > hg > xemacs-beta
annotate src/fns.c @ 5066:545ec923b4eb
add documentation on keywords to cl*.el
-------------------- ChangeLog entries follow: --------------------
lisp/ChangeLog addition:
2010-02-22 Ben Wing <ben@xemacs.org>
* cl-seq.el:
* cl-seq.el (reduce):
* cl-seq.el (fill):
* cl-seq.el (replace):
* cl-seq.el (remove*):
* cl-seq.el (remove-if):
* cl-seq.el (remove-if-not):
* cl-seq.el (delete*):
* cl-seq.el (delete-if):
* cl-seq.el (delete-if-not):
* cl-seq.el (remove-duplicates):
* cl-seq.el (delete-duplicates):
* cl-seq.el (substitute):
* cl-seq.el (substitute-if):
* cl-seq.el (substitute-if-not):
* cl-seq.el (nsubstitute):
* cl-seq.el (nsubstitute-if):
* cl-seq.el (nsubstitute-if-not):
* cl-seq.el (find):
* cl-seq.el (find-if):
* cl-seq.el (find-if-not):
* cl-seq.el (position):
* cl-seq.el (position-if):
* cl-seq.el (position-if-not):
* cl-seq.el (count):
* cl-seq.el (count-if):
* cl-seq.el (count-if-not):
* cl-seq.el (mismatch):
* cl-seq.el (search):
* cl-seq.el (sort*):
* cl-seq.el (stable-sort):
* cl-seq.el (merge):
* cl-seq.el (member*):
* cl-seq.el (member-if):
* cl-seq.el (member-if-not):
* cl-seq.el (assoc*):
* cl-seq.el (assoc-if):
* cl-seq.el (assoc-if-not):
* cl-seq.el (rassoc*):
* cl-seq.el (rassoc-if):
* cl-seq.el (rassoc-if-not):
* cl-seq.el (union):
* cl-seq.el (nunion):
* cl-seq.el (intersection):
* cl-seq.el (nintersection):
* cl-seq.el (set-difference):
* cl-seq.el (nset-difference):
* cl-seq.el (set-exclusive-or):
* cl-seq.el (nset-exclusive-or):
* cl-seq.el (subsetp):
* cl-seq.el (subst-if):
* cl-seq.el (subst-if-not):
* cl-seq.el (nsubst):
* cl-seq.el (nsubst-if):
* cl-seq.el (nsubst-if-not):
* cl-seq.el (sublis):
* cl-seq.el (nsublis):
* cl-seq.el (tree-equal):
* cl-seq.el (cl-tree-equal-rec):
* cl.el:
* cl.el (pushnew):
* cl.el (adjoin):
* cl.el (subst):
Document the keywords to the various sequence/list functions.
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Mon, 22 Feb 2010 21:17:47 -0600 |
| parents | c3d372419e09 |
| children | 99f8ebc082d9 2a462149bd6a |
| rev | line source |
|---|---|
| 428 | 1 /* Random utility Lisp functions. |
| 2 Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc. | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
3 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2003, 2010 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Mule 2.0, FSF 19.30. */ | |
| 23 | |
| 24 /* This file has been Mule-ized. */ | |
| 25 | |
| 26 /* Note: FSF 19.30 has bool vectors. We have bit vectors. */ | |
| 27 | |
| 28 /* Hacked on for Mule by Ben Wing, December 1994, January 1995. */ | |
| 29 | |
| 30 #include <config.h> | |
| 31 | |
| 32 /* Note on some machines this defines `vector' as a typedef, | |
| 33 so make sure we don't use that name in this file. */ | |
| 34 #undef vector | |
| 35 #define vector ***** | |
| 36 | |
| 37 #include "lisp.h" | |
| 38 | |
| 442 | 39 #include "sysfile.h" |
| 771 | 40 #include "sysproc.h" /* for qxe_getpid() */ |
| 428 | 41 |
| 42 #include "buffer.h" | |
| 43 #include "bytecode.h" | |
| 44 #include "device.h" | |
| 45 #include "events.h" | |
| 46 #include "extents.h" | |
| 47 #include "frame.h" | |
| 872 | 48 #include "process.h" |
| 428 | 49 #include "systime.h" |
| 50 #include "insdel.h" | |
| 51 #include "lstream.h" | |
| 52 #include "opaque.h" | |
| 53 | |
| 54 /* NOTE: This symbol is also used in lread.c */ | |
| 55 #define FEATUREP_SYNTAX | |
| 56 | |
| 57 Lisp_Object Qstring_lessp; | |
| 58 Lisp_Object Qidentity; | |
|
5002
0cd784a6ec44
fix some compile bugs of Aidan's
Ben Wing <ben@xemacs.org>
parents:
5001
diff
changeset
|
59 Lisp_Object Qvector, Qarray, Qbit_vector; |
| 428 | 60 |
| 563 | 61 Lisp_Object Qbase64_conversion_error; |
| 62 | |
| 771 | 63 Lisp_Object Vpath_separator; |
| 64 | |
| 428 | 65 static int internal_old_equal (Lisp_Object, Lisp_Object, int); |
| 454 | 66 Lisp_Object safe_copy_tree (Lisp_Object arg, Lisp_Object vecp, int depth); |
| 428 | 67 |
| 68 static Lisp_Object | |
| 2286 | 69 mark_bit_vector (Lisp_Object UNUSED (obj)) |
| 428 | 70 { |
| 71 return Qnil; | |
| 72 } | |
| 73 | |
| 74 static void | |
| 2286 | 75 print_bit_vector (Lisp_Object obj, Lisp_Object printcharfun, |
| 76 int UNUSED (escapeflag)) | |
| 428 | 77 { |
| 665 | 78 Elemcount i; |
| 440 | 79 Lisp_Bit_Vector *v = XBIT_VECTOR (obj); |
| 665 | 80 Elemcount len = bit_vector_length (v); |
| 81 Elemcount last = len; | |
| 428 | 82 |
| 83 if (INTP (Vprint_length)) | |
| 84 last = min (len, XINT (Vprint_length)); | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
85 write_ascstring (printcharfun, "#*"); |
| 428 | 86 for (i = 0; i < last; i++) |
| 87 { | |
| 88 if (bit_vector_bit (v, i)) | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
89 write_ascstring (printcharfun, "1"); |
| 428 | 90 else |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
91 write_ascstring (printcharfun, "0"); |
| 428 | 92 } |
| 93 | |
| 94 if (last != len) | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
95 write_ascstring (printcharfun, "..."); |
| 428 | 96 } |
| 97 | |
| 98 static int | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
99 bit_vector_equal (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth), |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
100 int UNUSED (foldcase)) |
| 428 | 101 { |
| 440 | 102 Lisp_Bit_Vector *v1 = XBIT_VECTOR (obj1); |
| 103 Lisp_Bit_Vector *v2 = XBIT_VECTOR (obj2); | |
| 428 | 104 |
| 105 return ((bit_vector_length (v1) == bit_vector_length (v2)) && | |
| 106 !memcmp (v1->bits, v2->bits, | |
| 107 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v1)) * | |
| 108 sizeof (long))); | |
| 109 } | |
| 110 | |
| 665 | 111 static Hashcode |
| 2286 | 112 bit_vector_hash (Lisp_Object obj, int UNUSED (depth)) |
| 428 | 113 { |
| 440 | 114 Lisp_Bit_Vector *v = XBIT_VECTOR (obj); |
| 428 | 115 return HASH2 (bit_vector_length (v), |
| 116 memory_hash (v->bits, | |
| 117 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v)) * | |
| 118 sizeof (long))); | |
| 119 } | |
| 120 | |
| 665 | 121 static Bytecount |
| 442 | 122 size_bit_vector (const void *lheader) |
| 123 { | |
| 124 Lisp_Bit_Vector *v = (Lisp_Bit_Vector *) lheader; | |
| 456 | 125 return FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Bit_Vector, unsigned long, bits, |
| 442 | 126 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v))); |
| 127 } | |
| 128 | |
| 1204 | 129 static const struct memory_description bit_vector_description[] = { |
| 428 | 130 { XD_END } |
| 131 }; | |
| 132 | |
| 133 | |
| 1204 | 134 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("bit-vector", bit_vector, |
| 135 1, /*dumpable-flag*/ | |
| 136 mark_bit_vector, | |
| 137 print_bit_vector, 0, | |
| 138 bit_vector_equal, | |
| 139 bit_vector_hash, | |
| 140 bit_vector_description, | |
| 141 size_bit_vector, | |
| 142 Lisp_Bit_Vector); | |
| 934 | 143 |
| 428 | 144 |
| 145 DEFUN ("identity", Fidentity, 1, 1, 0, /* | |
| 146 Return the argument unchanged. | |
| 147 */ | |
| 148 (arg)) | |
| 149 { | |
| 150 return arg; | |
| 151 } | |
| 152 | |
| 153 DEFUN ("random", Frandom, 0, 1, 0, /* | |
| 154 Return a pseudo-random number. | |
| 1983 | 155 All fixnums are equally likely. On most systems, this is 31 bits' worth. |
| 428 | 156 With positive integer argument N, return random number in interval [0,N). |
| 1983 | 157 N can be a bignum, in which case the range of possible values is extended. |
| 428 | 158 With argument t, set the random number seed from the current time and pid. |
| 159 */ | |
| 160 (limit)) | |
| 161 { | |
| 162 EMACS_INT val; | |
| 163 unsigned long denominator; | |
| 164 | |
| 165 if (EQ (limit, Qt)) | |
| 771 | 166 seed_random (qxe_getpid () + time (NULL)); |
| 428 | 167 if (NATNUMP (limit) && !ZEROP (limit)) |
| 168 { | |
| 169 /* Try to take our random number from the higher bits of VAL, | |
| 170 not the lower, since (says Gentzel) the low bits of `random' | |
| 171 are less random than the higher ones. We do this by using the | |
| 172 quotient rather than the remainder. At the high end of the RNG | |
| 173 it's possible to get a quotient larger than limit; discarding | |
| 174 these values eliminates the bias that would otherwise appear | |
| 175 when using a large limit. */ | |
| 2039 | 176 denominator = ((unsigned long)1 << INT_VALBITS) / XINT (limit); |
| 428 | 177 do |
| 178 val = get_random () / denominator; | |
| 179 while (val >= XINT (limit)); | |
| 180 } | |
| 1983 | 181 #ifdef HAVE_BIGNUM |
| 182 else if (BIGNUMP (limit)) | |
| 183 { | |
| 184 bignum_random (scratch_bignum, XBIGNUM_DATA (limit)); | |
| 185 return Fcanonicalize_number (make_bignum_bg (scratch_bignum)); | |
| 186 } | |
| 187 #endif | |
| 428 | 188 else |
| 189 val = get_random (); | |
| 190 | |
| 191 return make_int (val); | |
| 192 } | |
| 193 | |
| 194 /* Random data-structure functions */ | |
| 195 | |
| 196 #ifdef LOSING_BYTECODE | |
| 197 | |
| 198 /* #### Delete this shit */ | |
| 199 | |
| 200 /* Charcount is a misnomer here as we might be dealing with the | |
| 201 length of a vector or list, but emphasizes that we're not dealing | |
| 202 with Bytecounts in strings */ | |
| 203 static Charcount | |
| 204 length_with_bytecode_hack (Lisp_Object seq) | |
| 205 { | |
| 206 if (!COMPILED_FUNCTIONP (seq)) | |
| 207 return XINT (Flength (seq)); | |
| 208 else | |
| 209 { | |
| 440 | 210 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (seq); |
| 428 | 211 |
| 212 return (f->flags.interactivep ? COMPILED_INTERACTIVE : | |
| 213 f->flags.domainp ? COMPILED_DOMAIN : | |
| 214 COMPILED_DOC_STRING) | |
| 215 + 1; | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 #endif /* LOSING_BYTECODE */ | |
| 220 | |
| 221 void | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
222 check_losing_bytecode (const Ascbyte *function, Lisp_Object seq) |
| 428 | 223 { |
| 224 if (COMPILED_FUNCTIONP (seq)) | |
| 563 | 225 signal_ferror_with_frob |
| 226 (Qinvalid_argument, seq, | |
| 428 | 227 "As of 20.3, `%s' no longer works with compiled-function objects", |
| 228 function); | |
| 229 } | |
| 230 | |
| 231 DEFUN ("length", Flength, 1, 1, 0, /* | |
| 232 Return the length of vector, bit vector, list or string SEQUENCE. | |
| 233 */ | |
| 234 (sequence)) | |
| 235 { | |
| 236 retry: | |
| 237 if (STRINGP (sequence)) | |
| 826 | 238 return make_int (string_char_length (sequence)); |
| 428 | 239 else if (CONSP (sequence)) |
| 240 { | |
| 665 | 241 Elemcount len; |
| 428 | 242 GET_EXTERNAL_LIST_LENGTH (sequence, len); |
| 243 return make_int (len); | |
| 244 } | |
| 245 else if (VECTORP (sequence)) | |
| 246 return make_int (XVECTOR_LENGTH (sequence)); | |
| 247 else if (NILP (sequence)) | |
| 248 return Qzero; | |
| 249 else if (BIT_VECTORP (sequence)) | |
| 250 return make_int (bit_vector_length (XBIT_VECTOR (sequence))); | |
| 251 else | |
| 252 { | |
| 253 check_losing_bytecode ("length", sequence); | |
| 254 sequence = wrong_type_argument (Qsequencep, sequence); | |
| 255 goto retry; | |
| 256 } | |
| 257 } | |
| 258 | |
| 259 DEFUN ("safe-length", Fsafe_length, 1, 1, 0, /* | |
| 260 Return the length of a list, but avoid error or infinite loop. | |
| 261 This function never gets an error. If LIST is not really a list, | |
| 262 it returns 0. If LIST is circular, it returns a finite value | |
| 263 which is at least the number of distinct elements. | |
| 264 */ | |
| 265 (list)) | |
| 266 { | |
| 267 Lisp_Object hare, tortoise; | |
| 665 | 268 Elemcount len; |
| 428 | 269 |
| 270 for (hare = tortoise = list, len = 0; | |
| 271 CONSP (hare) && (! EQ (hare, tortoise) || len == 0); | |
| 272 hare = XCDR (hare), len++) | |
| 273 { | |
| 274 if (len & 1) | |
| 275 tortoise = XCDR (tortoise); | |
| 276 } | |
| 277 | |
| 278 return make_int (len); | |
| 279 } | |
| 280 | |
| 281 /*** string functions. ***/ | |
| 282 | |
| 283 DEFUN ("string-equal", Fstring_equal, 2, 2, 0, /* | |
| 284 Return t if two strings have identical contents. | |
| 285 Case is significant. Text properties are ignored. | |
| 286 \(Under XEmacs, `equal' also ignores text properties and extents in | |
| 287 strings, but this is not the case under FSF Emacs 19. In FSF Emacs 20 | |
| 288 `equal' is the same as in XEmacs, in that respect.) | |
| 289 Symbols are also allowed; their print names are used instead. | |
| 290 */ | |
| 444 | 291 (string1, string2)) |
| 428 | 292 { |
| 293 Bytecount len; | |
| 793 | 294 Lisp_Object p1, p2; |
| 428 | 295 |
| 444 | 296 if (SYMBOLP (string1)) |
| 297 p1 = XSYMBOL (string1)->name; | |
| 428 | 298 else |
| 299 { | |
| 444 | 300 CHECK_STRING (string1); |
| 793 | 301 p1 = string1; |
| 428 | 302 } |
| 303 | |
| 444 | 304 if (SYMBOLP (string2)) |
| 305 p2 = XSYMBOL (string2)->name; | |
| 428 | 306 else |
| 307 { | |
| 444 | 308 CHECK_STRING (string2); |
| 793 | 309 p2 = string2; |
| 428 | 310 } |
| 311 | |
| 793 | 312 return (((len = XSTRING_LENGTH (p1)) == XSTRING_LENGTH (p2)) && |
| 313 !memcmp (XSTRING_DATA (p1), XSTRING_DATA (p2), len)) ? Qt : Qnil; | |
| 428 | 314 } |
| 315 | |
| 801 | 316 DEFUN ("compare-strings", Fcompare_strings, 6, 7, 0, /* |
| 317 Compare the contents of two strings, maybe ignoring case. | |
| 318 In string STR1, skip the first START1 characters and stop at END1. | |
| 319 In string STR2, skip the first START2 characters and stop at END2. | |
|
4796
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
320 END1 and END2 default to the full lengths of the respective strings, |
|
4797
a5eca70cf401
Fix typo in last patch.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4796
diff
changeset
|
321 and arguments that are outside the string (negative STARTi or ENDi |
|
4796
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
322 greater than length) are coerced to 0 or string length as appropriate. |
|
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
323 |
|
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
324 Optional IGNORE-CASE non-nil means use case-insensitive comparison. |
|
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
325 Case is significant by default. |
| 801 | 326 |
| 327 The value is t if the strings (or specified portions) match. | |
| 328 If string STR1 is less, the value is a negative number N; | |
| 329 - 1 - N is the number of characters that match at the beginning. | |
| 330 If string STR1 is greater, the value is a positive number N; | |
| 331 N - 1 is the number of characters that match at the beginning. | |
| 332 */ | |
| 333 (str1, start1, end1, str2, start2, end2, ignore_case)) | |
| 334 { | |
| 335 Charcount ccstart1, ccend1, ccstart2, ccend2; | |
| 336 Bytecount bstart1, blen1, bstart2, blen2; | |
| 337 Charcount matching; | |
| 338 int res; | |
| 339 | |
| 340 CHECK_STRING (str1); | |
| 341 CHECK_STRING (str2); | |
| 342 get_string_range_char (str1, start1, end1, &ccstart1, &ccend1, | |
|
4796
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
343 GB_HISTORICAL_STRING_BEHAVIOR|GB_COERCE_RANGE); |
| 801 | 344 get_string_range_char (str2, start2, end2, &ccstart2, &ccend2, |
|
4796
c45fdd4e1858
Don't args-out-of-range in compare-strings.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4693
diff
changeset
|
345 GB_HISTORICAL_STRING_BEHAVIOR|GB_COERCE_RANGE); |
| 801 | 346 |
| 347 bstart1 = string_index_char_to_byte (str1, ccstart1); | |
| 348 blen1 = string_offset_char_to_byte_len (str1, bstart1, ccend1 - ccstart1); | |
| 349 bstart2 = string_index_char_to_byte (str2, ccstart2); | |
| 350 blen2 = string_offset_char_to_byte_len (str2, bstart2, ccend2 - ccstart2); | |
| 351 | |
| 352 res = ((NILP (ignore_case) ? qxetextcmp_matching : qxetextcasecmp_matching) | |
| 353 (XSTRING_DATA (str1) + bstart1, blen1, | |
| 354 XSTRING_DATA (str2) + bstart2, blen2, | |
| 355 &matching)); | |
| 356 | |
| 357 if (!res) | |
| 358 return Qt; | |
| 359 else if (res > 0) | |
| 360 return make_int (1 + matching); | |
| 361 else | |
| 362 return make_int (-1 - matching); | |
| 363 } | |
| 364 | |
| 428 | 365 DEFUN ("string-lessp", Fstring_lessp, 2, 2, 0, /* |
| 366 Return t if first arg string is less than second in lexicographic order. | |
| 771 | 367 Comparison is simply done on a character-by-character basis using the |
| 368 numeric value of a character. (Note that this may not produce | |
| 369 particularly meaningful results under Mule if characters from | |
| 370 different charsets are being compared.) | |
| 428 | 371 |
| 372 Symbols are also allowed; their print names are used instead. | |
| 373 | |
| 771 | 374 Currently we don't do proper language-specific collation or handle |
| 375 multiple character sets. This may be changed when Unicode support | |
| 376 is implemented. | |
| 428 | 377 */ |
| 444 | 378 (string1, string2)) |
| 428 | 379 { |
| 793 | 380 Lisp_Object p1, p2; |
| 428 | 381 Charcount end, len2; |
| 382 int i; | |
| 383 | |
| 444 | 384 if (SYMBOLP (string1)) |
| 385 p1 = XSYMBOL (string1)->name; | |
| 793 | 386 else |
| 387 { | |
| 444 | 388 CHECK_STRING (string1); |
| 793 | 389 p1 = string1; |
| 428 | 390 } |
| 391 | |
| 444 | 392 if (SYMBOLP (string2)) |
| 393 p2 = XSYMBOL (string2)->name; | |
| 428 | 394 else |
| 395 { | |
| 444 | 396 CHECK_STRING (string2); |
| 793 | 397 p2 = string2; |
| 428 | 398 } |
| 399 | |
| 826 | 400 end = string_char_length (p1); |
| 401 len2 = string_char_length (p2); | |
| 428 | 402 if (end > len2) |
| 403 end = len2; | |
| 404 | |
| 405 { | |
| 867 | 406 Ibyte *ptr1 = XSTRING_DATA (p1); |
| 407 Ibyte *ptr2 = XSTRING_DATA (p2); | |
| 428 | 408 |
| 409 /* #### It is not really necessary to do this: We could compare | |
| 410 byte-by-byte and still get a reasonable comparison, since this | |
| 411 would compare characters with a charset in the same way. With | |
| 412 a little rearrangement of the leading bytes, we could make most | |
| 413 inter-charset comparisons work out the same, too; even if some | |
| 414 don't, this is not a big deal because inter-charset comparisons | |
| 415 aren't really well-defined anyway. */ | |
| 416 for (i = 0; i < end; i++) | |
| 417 { | |
| 867 | 418 if (itext_ichar (ptr1) != itext_ichar (ptr2)) |
| 419 return itext_ichar (ptr1) < itext_ichar (ptr2) ? Qt : Qnil; | |
| 420 INC_IBYTEPTR (ptr1); | |
| 421 INC_IBYTEPTR (ptr2); | |
| 428 | 422 } |
| 423 } | |
| 424 /* Can't do i < len2 because then comparison between "foo" and "foo^@" | |
| 425 won't work right in I18N2 case */ | |
| 426 return end < len2 ? Qt : Qnil; | |
| 427 } | |
| 428 | |
| 429 DEFUN ("string-modified-tick", Fstring_modified_tick, 1, 1, 0, /* | |
| 430 Return STRING's tick counter, incremented for each change to the string. | |
| 431 Each string has a tick counter which is incremented each time the contents | |
| 432 of the string are changed (e.g. with `aset'). It wraps around occasionally. | |
| 433 */ | |
| 434 (string)) | |
| 435 { | |
| 436 CHECK_STRING (string); | |
| 793 | 437 if (CONSP (XSTRING_PLIST (string)) && INTP (XCAR (XSTRING_PLIST (string)))) |
| 438 return XCAR (XSTRING_PLIST (string)); | |
| 428 | 439 else |
| 440 return Qzero; | |
| 441 } | |
| 442 | |
| 443 void | |
| 444 bump_string_modiff (Lisp_Object str) | |
| 445 { | |
| 793 | 446 Lisp_Object *ptr = &XSTRING_PLIST (str); |
| 428 | 447 |
| 448 #ifdef I18N3 | |
| 449 /* #### remove the `string-translatable' property from the string, | |
| 450 if there is one. */ | |
| 451 #endif | |
| 452 /* skip over extent info if it's there */ | |
| 453 if (CONSP (*ptr) && EXTENT_INFOP (XCAR (*ptr))) | |
| 454 ptr = &XCDR (*ptr); | |
| 455 if (CONSP (*ptr) && INTP (XCAR (*ptr))) | |
| 793 | 456 XCAR (*ptr) = make_int (1+XINT (XCAR (*ptr))); |
| 428 | 457 else |
| 458 *ptr = Fcons (make_int (1), *ptr); | |
| 459 } | |
| 460 | |
| 461 | |
| 462 enum concat_target_type { c_cons, c_string, c_vector, c_bit_vector }; | |
| 463 static Lisp_Object concat (int nargs, Lisp_Object *args, | |
| 464 enum concat_target_type target_type, | |
| 465 int last_special); | |
| 466 | |
| 467 Lisp_Object | |
| 444 | 468 concat2 (Lisp_Object string1, Lisp_Object string2) |
| 428 | 469 { |
| 470 Lisp_Object args[2]; | |
| 444 | 471 args[0] = string1; |
| 472 args[1] = string2; | |
| 428 | 473 return concat (2, args, c_string, 0); |
| 474 } | |
| 475 | |
| 476 Lisp_Object | |
| 444 | 477 concat3 (Lisp_Object string1, Lisp_Object string2, Lisp_Object string3) |
| 428 | 478 { |
| 479 Lisp_Object args[3]; | |
| 444 | 480 args[0] = string1; |
| 481 args[1] = string2; | |
| 482 args[2] = string3; | |
| 428 | 483 return concat (3, args, c_string, 0); |
| 484 } | |
| 485 | |
| 486 Lisp_Object | |
| 444 | 487 vconcat2 (Lisp_Object vec1, Lisp_Object vec2) |
| 428 | 488 { |
| 489 Lisp_Object args[2]; | |
| 444 | 490 args[0] = vec1; |
| 491 args[1] = vec2; | |
| 428 | 492 return concat (2, args, c_vector, 0); |
| 493 } | |
| 494 | |
| 495 Lisp_Object | |
| 444 | 496 vconcat3 (Lisp_Object vec1, Lisp_Object vec2, Lisp_Object vec3) |
| 428 | 497 { |
| 498 Lisp_Object args[3]; | |
| 444 | 499 args[0] = vec1; |
| 500 args[1] = vec2; | |
| 501 args[2] = vec3; | |
| 428 | 502 return concat (3, args, c_vector, 0); |
| 503 } | |
| 504 | |
| 505 DEFUN ("append", Fappend, 0, MANY, 0, /* | |
| 506 Concatenate all the arguments and make the result a list. | |
| 507 The result is a list whose elements are the elements of all the arguments. | |
| 508 Each argument may be a list, vector, bit vector, or string. | |
| 509 The last argument is not copied, just used as the tail of the new list. | |
| 510 Also see: `nconc'. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
511 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
512 arguments: (&rest ARGS) |
| 428 | 513 */ |
| 514 (int nargs, Lisp_Object *args)) | |
| 515 { | |
| 516 return concat (nargs, args, c_cons, 1); | |
| 517 } | |
| 518 | |
| 519 DEFUN ("concat", Fconcat, 0, MANY, 0, /* | |
| 520 Concatenate all the arguments and make the result a string. | |
| 521 The result is a string whose elements are the elements of all the arguments. | |
| 522 Each argument may be a string or a list or vector of characters. | |
| 523 | |
| 524 As of XEmacs 21.0, this function does NOT accept individual integers | |
| 525 as arguments. Old code that relies on, for example, (concat "foo" 50) | |
| 526 returning "foo50" will fail. To fix such code, either apply | |
| 527 `int-to-string' to the integer argument, or use `format'. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
528 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
529 arguments: (&rest ARGS) |
| 428 | 530 */ |
| 531 (int nargs, Lisp_Object *args)) | |
| 532 { | |
| 533 return concat (nargs, args, c_string, 0); | |
| 534 } | |
| 535 | |
| 536 DEFUN ("vconcat", Fvconcat, 0, MANY, 0, /* | |
| 537 Concatenate all the arguments and make the result a vector. | |
| 538 The result is a vector whose elements are the elements of all the arguments. | |
| 539 Each argument may be a list, vector, bit vector, or string. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
540 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
541 arguments: (&rest ARGS) |
| 428 | 542 */ |
| 543 (int nargs, Lisp_Object *args)) | |
| 544 { | |
| 545 return concat (nargs, args, c_vector, 0); | |
| 546 } | |
| 547 | |
| 548 DEFUN ("bvconcat", Fbvconcat, 0, MANY, 0, /* | |
| 549 Concatenate all the arguments and make the result a bit vector. | |
| 550 The result is a bit vector whose elements are the elements of all the | |
| 551 arguments. Each argument may be a list, vector, bit vector, or string. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
552 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
553 arguments: (&rest ARGS) |
| 428 | 554 */ |
| 555 (int nargs, Lisp_Object *args)) | |
| 556 { | |
| 557 return concat (nargs, args, c_bit_vector, 0); | |
| 558 } | |
| 559 | |
| 560 /* Copy a (possibly dotted) list. LIST must be a cons. | |
| 561 Can't use concat (1, &alist, c_cons, 0) - doesn't handle dotted lists. */ | |
| 562 static Lisp_Object | |
| 563 copy_list (Lisp_Object list) | |
| 564 { | |
| 565 Lisp_Object list_copy = Fcons (XCAR (list), XCDR (list)); | |
| 566 Lisp_Object last = list_copy; | |
| 567 Lisp_Object hare, tortoise; | |
| 665 | 568 Elemcount len; |
| 428 | 569 |
| 570 for (tortoise = hare = XCDR (list), len = 1; | |
| 571 CONSP (hare); | |
| 572 hare = XCDR (hare), len++) | |
| 573 { | |
| 574 XCDR (last) = Fcons (XCAR (hare), XCDR (hare)); | |
| 575 last = XCDR (last); | |
| 576 | |
| 577 if (len < CIRCULAR_LIST_SUSPICION_LENGTH) | |
| 578 continue; | |
| 579 if (len & 1) | |
| 580 tortoise = XCDR (tortoise); | |
| 581 if (EQ (tortoise, hare)) | |
| 582 signal_circular_list_error (list); | |
| 583 } | |
| 584 | |
| 585 return list_copy; | |
| 586 } | |
| 587 | |
| 588 DEFUN ("copy-list", Fcopy_list, 1, 1, 0, /* | |
| 589 Return a copy of list LIST, which may be a dotted list. | |
| 590 The elements of LIST are not copied; they are shared | |
| 591 with the original. | |
| 592 */ | |
| 593 (list)) | |
| 594 { | |
| 595 again: | |
| 596 if (NILP (list)) return list; | |
| 597 if (CONSP (list)) return copy_list (list); | |
| 598 | |
| 599 list = wrong_type_argument (Qlistp, list); | |
| 600 goto again; | |
| 601 } | |
| 602 | |
| 603 DEFUN ("copy-sequence", Fcopy_sequence, 1, 1, 0, /* | |
| 604 Return a copy of list, vector, bit vector or string SEQUENCE. | |
| 605 The elements of a list or vector are not copied; they are shared | |
| 606 with the original. SEQUENCE may be a dotted list. | |
| 607 */ | |
| 608 (sequence)) | |
| 609 { | |
| 610 again: | |
| 611 if (NILP (sequence)) return sequence; | |
| 612 if (CONSP (sequence)) return copy_list (sequence); | |
| 613 if (STRINGP (sequence)) return concat (1, &sequence, c_string, 0); | |
| 614 if (VECTORP (sequence)) return concat (1, &sequence, c_vector, 0); | |
| 615 if (BIT_VECTORP (sequence)) return concat (1, &sequence, c_bit_vector, 0); | |
| 616 | |
| 617 check_losing_bytecode ("copy-sequence", sequence); | |
| 618 sequence = wrong_type_argument (Qsequencep, sequence); | |
| 619 goto again; | |
| 620 } | |
| 621 | |
| 622 struct merge_string_extents_struct | |
| 623 { | |
| 624 Lisp_Object string; | |
| 625 Bytecount entry_offset; | |
| 626 Bytecount entry_length; | |
| 627 }; | |
| 628 | |
| 629 static Lisp_Object | |
| 630 concat (int nargs, Lisp_Object *args, | |
| 631 enum concat_target_type target_type, | |
| 632 int last_special) | |
| 633 { | |
| 634 Lisp_Object val; | |
| 635 Lisp_Object tail = Qnil; | |
| 636 int toindex; | |
| 637 int argnum; | |
| 638 Lisp_Object last_tail; | |
| 639 Lisp_Object prev; | |
| 640 struct merge_string_extents_struct *args_mse = 0; | |
| 867 | 641 Ibyte *string_result = 0; |
| 642 Ibyte *string_result_ptr = 0; | |
| 428 | 643 struct gcpro gcpro1; |
| 851 | 644 int sdep = specpdl_depth (); |
| 428 | 645 |
| 646 /* The modus operandi in Emacs is "caller gc-protects args". | |
| 647 However, concat is called many times in Emacs on freshly | |
| 648 created stuff. So we help those callers out by protecting | |
| 649 the args ourselves to save them a lot of temporary-variable | |
| 650 grief. */ | |
| 651 | |
| 652 GCPRO1 (args[0]); | |
| 653 gcpro1.nvars = nargs; | |
| 654 | |
| 655 #ifdef I18N3 | |
| 656 /* #### if the result is a string and any of the strings have a string | |
| 657 for the `string-translatable' property, then concat should also | |
| 658 concat the args but use the `string-translatable' strings, and store | |
| 659 the result in the returned string's `string-translatable' property. */ | |
| 660 #endif | |
| 661 if (target_type == c_string) | |
| 662 args_mse = alloca_array (struct merge_string_extents_struct, nargs); | |
| 663 | |
| 664 /* In append, the last arg isn't treated like the others */ | |
| 665 if (last_special && nargs > 0) | |
| 666 { | |
| 667 nargs--; | |
| 668 last_tail = args[nargs]; | |
| 669 } | |
| 670 else | |
| 671 last_tail = Qnil; | |
| 672 | |
| 673 /* Check and coerce the arguments. */ | |
| 674 for (argnum = 0; argnum < nargs; argnum++) | |
| 675 { | |
| 676 Lisp_Object seq = args[argnum]; | |
| 677 if (LISTP (seq)) | |
| 678 ; | |
| 679 else if (VECTORP (seq) || STRINGP (seq) || BIT_VECTORP (seq)) | |
| 680 ; | |
| 681 #ifdef LOSING_BYTECODE | |
| 682 else if (COMPILED_FUNCTIONP (seq)) | |
| 683 /* Urk! We allow this, for "compatibility"... */ | |
| 684 ; | |
| 685 #endif | |
| 686 #if 0 /* removed for XEmacs 21 */ | |
| 687 else if (INTP (seq)) | |
| 688 /* This is too revolting to think about but maintains | |
| 689 compatibility with FSF (and lots and lots of old code). */ | |
| 690 args[argnum] = Fnumber_to_string (seq); | |
| 691 #endif | |
| 692 else | |
| 693 { | |
| 694 check_losing_bytecode ("concat", seq); | |
| 695 args[argnum] = wrong_type_argument (Qsequencep, seq); | |
| 696 } | |
| 697 | |
| 698 if (args_mse) | |
| 699 { | |
| 700 if (STRINGP (seq)) | |
| 701 args_mse[argnum].string = seq; | |
| 702 else | |
| 703 args_mse[argnum].string = Qnil; | |
| 704 } | |
| 705 } | |
| 706 | |
| 707 { | |
| 708 /* Charcount is a misnomer here as we might be dealing with the | |
| 709 length of a vector or list, but emphasizes that we're not dealing | |
| 710 with Bytecounts in strings */ | |
| 711 Charcount total_length; | |
| 712 | |
| 713 for (argnum = 0, total_length = 0; argnum < nargs; argnum++) | |
| 714 { | |
| 715 #ifdef LOSING_BYTECODE | |
| 716 Charcount thislen = length_with_bytecode_hack (args[argnum]); | |
| 717 #else | |
| 718 Charcount thislen = XINT (Flength (args[argnum])); | |
| 719 #endif | |
| 720 total_length += thislen; | |
| 721 } | |
| 722 | |
| 723 switch (target_type) | |
| 724 { | |
| 725 case c_cons: | |
| 726 if (total_length == 0) | |
| 851 | 727 { |
| 728 unbind_to (sdep); | |
| 729 /* In append, if all but last arg are nil, return last arg */ | |
| 730 RETURN_UNGCPRO (last_tail); | |
| 731 } | |
| 428 | 732 val = Fmake_list (make_int (total_length), Qnil); |
| 733 break; | |
| 734 case c_vector: | |
| 735 val = make_vector (total_length, Qnil); | |
| 736 break; | |
| 737 case c_bit_vector: | |
| 738 val = make_bit_vector (total_length, Qzero); | |
| 739 break; | |
| 740 case c_string: | |
| 741 /* We don't make the string yet because we don't know the | |
| 742 actual number of bytes. This loop was formerly written | |
| 743 to call Fmake_string() here and then call set_string_char() | |
| 744 for each char. This seems logical enough but is waaaaaaaay | |
| 745 slow -- set_string_char() has to scan the whole string up | |
| 746 to the place where the substitution is called for in order | |
| 747 to find the place to change, and may have to do some | |
| 748 realloc()ing in order to make the char fit properly. | |
| 749 O(N^2) yuckage. */ | |
| 750 val = Qnil; | |
| 851 | 751 string_result = |
| 867 | 752 (Ibyte *) MALLOC_OR_ALLOCA (total_length * MAX_ICHAR_LEN); |
| 428 | 753 string_result_ptr = string_result; |
| 754 break; | |
| 755 default: | |
| 442 | 756 val = Qnil; |
| 2500 | 757 ABORT (); |
| 428 | 758 } |
| 759 } | |
| 760 | |
| 761 | |
| 762 if (CONSP (val)) | |
| 763 tail = val, toindex = -1; /* -1 in toindex is flag we are | |
| 764 making a list */ | |
| 765 else | |
| 766 toindex = 0; | |
| 767 | |
| 768 prev = Qnil; | |
| 769 | |
| 770 for (argnum = 0; argnum < nargs; argnum++) | |
| 771 { | |
| 772 Charcount thisleni = 0; | |
| 773 Charcount thisindex = 0; | |
| 774 Lisp_Object seq = args[argnum]; | |
| 867 | 775 Ibyte *string_source_ptr = 0; |
| 776 Ibyte *string_prev_result_ptr = string_result_ptr; | |
| 428 | 777 |
| 778 if (!CONSP (seq)) | |
| 779 { | |
| 780 #ifdef LOSING_BYTECODE | |
| 781 thisleni = length_with_bytecode_hack (seq); | |
| 782 #else | |
| 783 thisleni = XINT (Flength (seq)); | |
| 784 #endif | |
| 785 } | |
| 786 if (STRINGP (seq)) | |
| 787 string_source_ptr = XSTRING_DATA (seq); | |
| 788 | |
| 789 while (1) | |
| 790 { | |
| 791 Lisp_Object elt; | |
| 792 | |
| 793 /* We've come to the end of this arg, so exit. */ | |
| 794 if (NILP (seq)) | |
| 795 break; | |
| 796 | |
| 797 /* Fetch next element of `seq' arg into `elt' */ | |
| 798 if (CONSP (seq)) | |
| 799 { | |
| 800 elt = XCAR (seq); | |
| 801 seq = XCDR (seq); | |
| 802 } | |
| 803 else | |
| 804 { | |
| 805 if (thisindex >= thisleni) | |
| 806 break; | |
| 807 | |
| 808 if (STRINGP (seq)) | |
| 809 { | |
| 867 | 810 elt = make_char (itext_ichar (string_source_ptr)); |
| 811 INC_IBYTEPTR (string_source_ptr); | |
| 428 | 812 } |
| 813 else if (VECTORP (seq)) | |
| 814 elt = XVECTOR_DATA (seq)[thisindex]; | |
| 815 else if (BIT_VECTORP (seq)) | |
| 816 elt = make_int (bit_vector_bit (XBIT_VECTOR (seq), | |
| 817 thisindex)); | |
| 818 else | |
| 819 elt = Felt (seq, make_int (thisindex)); | |
| 820 thisindex++; | |
| 821 } | |
| 822 | |
| 823 /* Store into result */ | |
| 824 if (toindex < 0) | |
| 825 { | |
| 826 /* toindex negative means we are making a list */ | |
| 827 XCAR (tail) = elt; | |
| 828 prev = tail; | |
| 829 tail = XCDR (tail); | |
| 830 } | |
| 831 else if (VECTORP (val)) | |
| 832 XVECTOR_DATA (val)[toindex++] = elt; | |
| 833 else if (BIT_VECTORP (val)) | |
| 834 { | |
| 835 CHECK_BIT (elt); | |
| 836 set_bit_vector_bit (XBIT_VECTOR (val), toindex++, XINT (elt)); | |
| 837 } | |
| 838 else | |
| 839 { | |
| 840 CHECK_CHAR_COERCE_INT (elt); | |
| 867 | 841 string_result_ptr += set_itext_ichar (string_result_ptr, |
| 428 | 842 XCHAR (elt)); |
| 843 } | |
| 844 } | |
| 845 if (args_mse) | |
| 846 { | |
| 847 args_mse[argnum].entry_offset = | |
| 848 string_prev_result_ptr - string_result; | |
| 849 args_mse[argnum].entry_length = | |
| 850 string_result_ptr - string_prev_result_ptr; | |
| 851 } | |
| 852 } | |
| 853 | |
| 854 /* Now we finally make the string. */ | |
| 855 if (target_type == c_string) | |
| 856 { | |
| 857 val = make_string (string_result, string_result_ptr - string_result); | |
| 858 for (argnum = 0; argnum < nargs; argnum++) | |
| 859 { | |
| 860 if (STRINGP (args_mse[argnum].string)) | |
| 861 copy_string_extents (val, args_mse[argnum].string, | |
| 862 args_mse[argnum].entry_offset, 0, | |
| 863 args_mse[argnum].entry_length); | |
| 864 } | |
| 865 } | |
| 866 | |
| 867 if (!NILP (prev)) | |
| 868 XCDR (prev) = last_tail; | |
| 869 | |
| 851 | 870 unbind_to (sdep); |
| 428 | 871 RETURN_UNGCPRO (val); |
| 872 } | |
| 873 | |
| 874 DEFUN ("copy-alist", Fcopy_alist, 1, 1, 0, /* | |
| 875 Return a copy of ALIST. | |
| 876 This is an alist which represents the same mapping from objects to objects, | |
| 877 but does not share the alist structure with ALIST. | |
| 878 The objects mapped (cars and cdrs of elements of the alist) | |
| 879 are shared, however. | |
| 880 Elements of ALIST that are not conses are also shared. | |
| 881 */ | |
| 882 (alist)) | |
| 883 { | |
| 884 Lisp_Object tail; | |
| 885 | |
| 886 if (NILP (alist)) | |
| 887 return alist; | |
| 888 CHECK_CONS (alist); | |
| 889 | |
| 890 alist = concat (1, &alist, c_cons, 0); | |
| 891 for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
| 892 { | |
| 893 Lisp_Object car = XCAR (tail); | |
| 894 | |
| 895 if (CONSP (car)) | |
| 896 XCAR (tail) = Fcons (XCAR (car), XCDR (car)); | |
| 897 } | |
| 898 return alist; | |
| 899 } | |
| 900 | |
| 901 DEFUN ("copy-tree", Fcopy_tree, 1, 2, 0, /* | |
| 902 Return a copy of a list and substructures. | |
| 903 The argument is copied, and any lists contained within it are copied | |
| 904 recursively. Circularities and shared substructures are not preserved. | |
| 905 Second arg VECP causes vectors to be copied, too. Strings and bit vectors | |
| 906 are not copied. | |
| 907 */ | |
| 908 (arg, vecp)) | |
| 909 { | |
| 454 | 910 return safe_copy_tree (arg, vecp, 0); |
| 911 } | |
| 912 | |
| 913 Lisp_Object | |
| 914 safe_copy_tree (Lisp_Object arg, Lisp_Object vecp, int depth) | |
| 915 { | |
| 916 if (depth > 200) | |
| 563 | 917 stack_overflow ("Stack overflow in copy-tree", arg); |
| 454 | 918 |
| 428 | 919 if (CONSP (arg)) |
| 920 { | |
| 921 Lisp_Object rest; | |
| 922 rest = arg = Fcopy_sequence (arg); | |
| 923 while (CONSP (rest)) | |
| 924 { | |
| 925 Lisp_Object elt = XCAR (rest); | |
| 926 QUIT; | |
| 927 if (CONSP (elt) || VECTORP (elt)) | |
| 454 | 928 XCAR (rest) = safe_copy_tree (elt, vecp, depth + 1); |
| 428 | 929 if (VECTORP (XCDR (rest))) /* hack for (a b . [c d]) */ |
| 454 | 930 XCDR (rest) = safe_copy_tree (XCDR (rest), vecp, depth +1); |
| 428 | 931 rest = XCDR (rest); |
| 932 } | |
| 933 } | |
| 934 else if (VECTORP (arg) && ! NILP (vecp)) | |
| 935 { | |
| 936 int i = XVECTOR_LENGTH (arg); | |
| 937 int j; | |
| 938 arg = Fcopy_sequence (arg); | |
| 939 for (j = 0; j < i; j++) | |
| 940 { | |
| 941 Lisp_Object elt = XVECTOR_DATA (arg) [j]; | |
| 942 QUIT; | |
| 943 if (CONSP (elt) || VECTORP (elt)) | |
| 454 | 944 XVECTOR_DATA (arg) [j] = safe_copy_tree (elt, vecp, depth + 1); |
| 428 | 945 } |
| 946 } | |
| 947 return arg; | |
| 948 } | |
| 949 | |
| 950 DEFUN ("substring", Fsubstring, 2, 3, 0, /* | |
| 444 | 951 Return the substring of STRING starting at START and ending before END. |
| 952 END may be nil or omitted; then the substring runs to the end of STRING. | |
| 953 If START or END is negative, it counts from the end. | |
| 954 Relevant parts of the string-extent-data are copied to the new string. | |
| 428 | 955 */ |
| 444 | 956 (string, start, end)) |
| 428 | 957 { |
| 444 | 958 Charcount ccstart, ccend; |
| 959 Bytecount bstart, blen; | |
| 428 | 960 Lisp_Object val; |
| 961 | |
| 962 CHECK_STRING (string); | |
| 444 | 963 CHECK_INT (start); |
| 964 get_string_range_char (string, start, end, &ccstart, &ccend, | |
| 428 | 965 GB_HISTORICAL_STRING_BEHAVIOR); |
| 793 | 966 bstart = string_index_char_to_byte (string, ccstart); |
| 967 blen = string_offset_char_to_byte_len (string, bstart, ccend - ccstart); | |
| 444 | 968 val = make_string (XSTRING_DATA (string) + bstart, blen); |
| 969 /* Copy any applicable extent information into the new string. */ | |
| 970 copy_string_extents (val, string, 0, bstart, blen); | |
| 428 | 971 return val; |
| 972 } | |
| 973 | |
| 974 DEFUN ("subseq", Fsubseq, 2, 3, 0, /* | |
| 442 | 975 Return the subsequence of SEQUENCE starting at START and ending before END. |
| 976 END may be omitted; then the subsequence runs to the end of SEQUENCE. | |
| 977 If START or END is negative, it counts from the end. | |
| 978 The returned subsequence is always of the same type as SEQUENCE. | |
| 979 If SEQUENCE is a string, relevant parts of the string-extent-data | |
| 980 are copied to the new string. | |
| 428 | 981 */ |
| 442 | 982 (sequence, start, end)) |
| 428 | 983 { |
| 442 | 984 EMACS_INT len, s, e; |
| 985 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
986 CHECK_SEQUENCE (sequence); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
987 |
| 442 | 988 if (STRINGP (sequence)) |
| 989 return Fsubstring (sequence, start, end); | |
| 990 | |
| 991 len = XINT (Flength (sequence)); | |
| 992 | |
| 993 CHECK_INT (start); | |
| 994 s = XINT (start); | |
| 995 if (s < 0) | |
| 996 s = len + s; | |
| 997 | |
| 998 if (NILP (end)) | |
| 999 e = len; | |
| 428 | 1000 else |
| 1001 { | |
| 442 | 1002 CHECK_INT (end); |
| 1003 e = XINT (end); | |
| 1004 if (e < 0) | |
| 1005 e = len + e; | |
| 428 | 1006 } |
| 1007 | |
| 442 | 1008 if (!(0 <= s && s <= e && e <= len)) |
| 1009 args_out_of_range_3 (sequence, make_int (s), make_int (e)); | |
| 1010 | |
| 1011 if (VECTORP (sequence)) | |
| 428 | 1012 { |
| 442 | 1013 Lisp_Object result = make_vector (e - s, Qnil); |
| 428 | 1014 EMACS_INT i; |
| 442 | 1015 Lisp_Object *in_elts = XVECTOR_DATA (sequence); |
| 428 | 1016 Lisp_Object *out_elts = XVECTOR_DATA (result); |
| 1017 | |
| 442 | 1018 for (i = s; i < e; i++) |
| 1019 out_elts[i - s] = in_elts[i]; | |
| 428 | 1020 return result; |
| 1021 } | |
| 442 | 1022 else if (LISTP (sequence)) |
| 428 | 1023 { |
| 1024 Lisp_Object result = Qnil; | |
| 1025 EMACS_INT i; | |
| 1026 | |
| 442 | 1027 sequence = Fnthcdr (make_int (s), sequence); |
| 1028 | |
| 1029 for (i = s; i < e; i++) | |
| 428 | 1030 { |
| 442 | 1031 result = Fcons (Fcar (sequence), result); |
| 1032 sequence = Fcdr (sequence); | |
| 428 | 1033 } |
| 1034 | |
| 1035 return Fnreverse (result); | |
| 1036 } | |
| 442 | 1037 else if (BIT_VECTORP (sequence)) |
| 1038 { | |
| 1039 Lisp_Object result = make_bit_vector (e - s, Qzero); | |
| 1040 EMACS_INT i; | |
| 1041 | |
| 1042 for (i = s; i < e; i++) | |
| 1043 set_bit_vector_bit (XBIT_VECTOR (result), i - s, | |
| 1044 bit_vector_bit (XBIT_VECTOR (sequence), i)); | |
| 1045 return result; | |
| 1046 } | |
| 1047 else | |
| 1048 { | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
1049 ABORT (); /* unreachable, since CHECK_SEQUENCE (sequence) did not |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
1050 error */ |
| 442 | 1051 return Qnil; |
| 1052 } | |
| 428 | 1053 } |
| 1054 | |
| 771 | 1055 /* Split STRING into a list of substrings. The substrings are the |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1056 parts of original STRING separated by SEPCHAR. |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1057 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1058 If UNESCAPE is non-zero, ESCAPECHAR specifies a character that will quote |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1059 SEPCHAR, and cause it not to split STRING. A double ESCAPECHAR is |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1060 necessary for ESCAPECHAR to appear once in a substring. */ |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1061 |
| 771 | 1062 static Lisp_Object |
| 867 | 1063 split_string_by_ichar_1 (const Ibyte *string, Bytecount size, |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1064 Ichar sepchar, int unescape, Ichar escapechar) |
| 771 | 1065 { |
| 1066 Lisp_Object result = Qnil; | |
| 867 | 1067 const Ibyte *end = string + size; |
| 771 | 1068 |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1069 if (unescape) |
| 771 | 1070 { |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1071 Ibyte unescape_buffer[64], *unescape_buffer_ptr = unescape_buffer, |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1072 escaped[MAX_ICHAR_LEN], *unescape_cursor; |
|
5036
9624523604c5
Use better types when ESCAPECHAR is specified, split_string_by_ichar_1
Aidan Kehoe <kehoea@parhasard.net>
parents:
5035
diff
changeset
|
1073 Bytecount unescape_buffer_size = countof (unescape_buffer), |
|
9624523604c5
Use better types when ESCAPECHAR is specified, split_string_by_ichar_1
Aidan Kehoe <kehoea@parhasard.net>
parents:
5035
diff
changeset
|
1074 escaped_len = set_itext_ichar (escaped, escapechar); |
|
9624523604c5
Use better types when ESCAPECHAR is specified, split_string_by_ichar_1
Aidan Kehoe <kehoea@parhasard.net>
parents:
5035
diff
changeset
|
1075 Boolint deleting_escapes, previous_escaped; |
|
9624523604c5
Use better types when ESCAPECHAR is specified, split_string_by_ichar_1
Aidan Kehoe <kehoea@parhasard.net>
parents:
5035
diff
changeset
|
1076 Ichar pchar; |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1077 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1078 while (1) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1079 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1080 const Ibyte *p = string, *cursor; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1081 deleting_escapes = 0; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1082 previous_escaped = 0; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1083 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1084 while (p < end) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1085 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1086 pchar = itext_ichar (p); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1087 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1088 if (pchar == sepchar) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1089 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1090 if (!previous_escaped) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1091 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1092 break; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1093 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1094 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1095 else if (pchar == escapechar |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1096 /* Doubled escapes don't escape: */ |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1097 && !previous_escaped) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1098 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1099 ++deleting_escapes; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1100 previous_escaped = 1; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1101 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1102 else |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1103 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1104 previous_escaped = 0; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1105 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1106 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1107 INC_IBYTEPTR (p); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1108 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1109 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1110 if (deleting_escapes) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1111 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1112 if (((p - string) - (escaped_len * deleting_escapes)) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1113 > unescape_buffer_size) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1114 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1115 unescape_buffer_size = |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1116 ((p - string) - (escaped_len * deleting_escapes)) * 1.5; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1117 unescape_buffer_ptr = alloca_ibytes (unescape_buffer_size); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1118 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1119 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1120 cursor = string; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1121 unescape_cursor = unescape_buffer_ptr; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1122 previous_escaped = 0; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1123 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1124 while (cursor < p) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1125 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1126 pchar = itext_ichar (cursor); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1127 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1128 if (pchar != escapechar || previous_escaped) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1129 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1130 memcpy (unescape_cursor, cursor, |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1131 itext_ichar_len (cursor)); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1132 INC_IBYTEPTR (unescape_cursor); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1133 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1134 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1135 previous_escaped = !previous_escaped |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1136 && (pchar == escapechar); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1137 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1138 INC_IBYTEPTR (cursor); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1139 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1140 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1141 result = Fcons (make_string (unescape_buffer_ptr, |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1142 unescape_cursor |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1143 - unescape_buffer_ptr), |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1144 result); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1145 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1146 else |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1147 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1148 result = Fcons (make_string (string, p - string), result); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1149 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1150 if (p < end) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1151 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1152 string = p; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1153 INC_IBYTEPTR (string); /* skip sepchar */ |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1154 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1155 else |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1156 break; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1157 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1158 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1159 else |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1160 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1161 while (1) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1162 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1163 const Ibyte *p = string; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1164 while (p < end) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1165 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1166 if (itext_ichar (p) == sepchar) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1167 break; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1168 INC_IBYTEPTR (p); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1169 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1170 result = Fcons (make_string (string, p - string), result); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1171 if (p < end) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1172 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1173 string = p; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1174 INC_IBYTEPTR (string); /* skip sepchar */ |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1175 } |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1176 else |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1177 break; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1178 } |
| 771 | 1179 } |
| 1180 return Fnreverse (result); | |
| 1181 } | |
| 1182 | |
| 1183 /* The same as the above, except PATH is an external C string (it is | |
| 1184 converted using Qfile_name), and sepchar is hardcoded to SEPCHAR | |
| 1185 (':' or whatever). */ | |
| 1186 Lisp_Object | |
| 1187 split_external_path (const Extbyte *path) | |
| 1188 { | |
| 1189 Bytecount newlen; | |
| 867 | 1190 Ibyte *newpath; |
| 771 | 1191 if (!path) |
| 1192 return Qnil; | |
| 1193 | |
| 1194 TO_INTERNAL_FORMAT (C_STRING, path, ALLOCA, (newpath, newlen), Qfile_name); | |
| 1195 | |
| 1196 /* #### Does this make sense? It certainly does for | |
| 1197 split_env_path(), but it looks dubious here. Does any code | |
| 1198 depend on split_external_path("") returning nil instead of an empty | |
| 1199 string? */ | |
| 1200 if (!newlen) | |
| 1201 return Qnil; | |
| 1202 | |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1203 return split_string_by_ichar_1 (newpath, newlen, SEPCHAR, 0, 0); |
| 771 | 1204 } |
| 1205 | |
| 1206 Lisp_Object | |
| 867 | 1207 split_env_path (const CIbyte *evarname, const Ibyte *default_) |
| 771 | 1208 { |
| 867 | 1209 const Ibyte *path = 0; |
| 771 | 1210 if (evarname) |
| 1211 path = egetenv (evarname); | |
| 1212 if (!path) | |
| 1213 path = default_; | |
| 1214 if (!path) | |
| 1215 return Qnil; | |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1216 return split_string_by_ichar_1 (path, qxestrlen (path), SEPCHAR, 0, 0); |
| 771 | 1217 } |
| 1218 | |
| 1219 /* Ben thinks this function should not exist or be exported to Lisp. | |
| 1220 We use it to define split-path-string in subr.el (not!). */ | |
| 1221 | |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1222 DEFUN ("split-string-by-char", Fsplit_string_by_char, 2, 3, 0, /* |
| 771 | 1223 Split STRING into a list of substrings originally separated by SEPCHAR. |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1224 |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1225 With optional ESCAPE-CHAR, any instances of SEPCHAR preceded by that |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1226 character will not split the string, and a double instance of ESCAPE-CHAR |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1227 will be necessary for a single ESCAPE-CHAR to appear in the output string. |
| 771 | 1228 */ |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1229 (string, sepchar, escape_char)) |
| 771 | 1230 { |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1231 Ichar escape_ichar = 0; |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1232 |
| 771 | 1233 CHECK_STRING (string); |
| 1234 CHECK_CHAR (sepchar); | |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1235 if (!NILP (escape_char)) |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1236 { |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1237 CHECK_CHAR (escape_char); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1238 escape_ichar = XCHAR (escape_char); |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1239 } |
| 867 | 1240 return split_string_by_ichar_1 (XSTRING_DATA (string), |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1241 XSTRING_LENGTH (string), |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1242 XCHAR (sepchar), |
|
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1243 !NILP (escape_char), escape_ichar); |
| 771 | 1244 } |
| 1245 | |
| 1246 /* #### This was supposed to be in subr.el, but is used VERY early in | |
| 1247 the bootstrap process, so it goes here. Damn. */ | |
| 1248 | |
| 1249 DEFUN ("split-path", Fsplit_path, 1, 1, 0, /* | |
| 1250 Explode a search path into a list of strings. | |
| 1251 The path components are separated with the characters specified | |
| 1252 with `path-separator'. | |
| 1253 */ | |
| 1254 (path)) | |
| 1255 { | |
| 1256 CHECK_STRING (path); | |
| 1257 | |
| 1258 while (!STRINGP (Vpath_separator) | |
| 826 | 1259 || (string_char_length (Vpath_separator) != 1)) |
| 771 | 1260 Vpath_separator = signal_continuable_error |
| 1261 (Qinvalid_state, | |
| 1262 "`path-separator' should be set to a single-character string", | |
| 1263 Vpath_separator); | |
| 1264 | |
| 867 | 1265 return (split_string_by_ichar_1 |
| 771 | 1266 (XSTRING_DATA (path), XSTRING_LENGTH (path), |
|
5035
b1e48555be7d
Add a new optional ESCAPE-CHAR argument to #'split-string-by-char.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5034
diff
changeset
|
1267 itext_ichar (XSTRING_DATA (Vpath_separator)), 0, 0)); |
| 771 | 1268 } |
| 1269 | |
| 428 | 1270 |
| 1271 DEFUN ("nthcdr", Fnthcdr, 2, 2, 0, /* | |
| 1272 Take cdr N times on LIST, and return the result. | |
| 1273 */ | |
| 1274 (n, list)) | |
| 1275 { | |
| 1920 | 1276 /* This function can GC */ |
| 647 | 1277 REGISTER EMACS_INT i; |
| 428 | 1278 REGISTER Lisp_Object tail = list; |
| 1279 CHECK_NATNUM (n); | |
| 1280 for (i = XINT (n); i; i--) | |
| 1281 { | |
| 1282 if (CONSP (tail)) | |
| 1283 tail = XCDR (tail); | |
| 1284 else if (NILP (tail)) | |
| 1285 return Qnil; | |
| 1286 else | |
| 1287 { | |
| 1288 tail = wrong_type_argument (Qlistp, tail); | |
| 1289 i++; | |
| 1290 } | |
| 1291 } | |
| 1292 return tail; | |
| 1293 } | |
| 1294 | |
| 1295 DEFUN ("nth", Fnth, 2, 2, 0, /* | |
| 1296 Return the Nth element of LIST. | |
| 1297 N counts from zero. If LIST is not that long, nil is returned. | |
| 1298 */ | |
| 1299 (n, list)) | |
| 1300 { | |
| 1920 | 1301 /* This function can GC */ |
| 428 | 1302 return Fcar (Fnthcdr (n, list)); |
| 1303 } | |
| 1304 | |
| 1305 DEFUN ("elt", Felt, 2, 2, 0, /* | |
| 1306 Return element of SEQUENCE at index N. | |
| 1307 */ | |
| 1308 (sequence, n)) | |
| 1309 { | |
| 1920 | 1310 /* This function can GC */ |
| 428 | 1311 retry: |
| 1312 CHECK_INT_COERCE_CHAR (n); /* yuck! */ | |
| 1313 if (LISTP (sequence)) | |
| 1314 { | |
| 1315 Lisp_Object tem = Fnthcdr (n, sequence); | |
| 1316 /* #### Utterly, completely, fucking disgusting. | |
| 1317 * #### The whole point of "elt" is that it operates on | |
| 1318 * #### sequences, and does error- (bounds-) checking. | |
| 1319 */ | |
| 1320 if (CONSP (tem)) | |
| 1321 return XCAR (tem); | |
| 1322 else | |
| 1323 #if 1 | |
| 1324 /* This is The Way It Has Always Been. */ | |
| 1325 return Qnil; | |
| 1326 #else | |
| 1327 /* This is The Way Mly and Cltl2 say It Should Be. */ | |
| 1328 args_out_of_range (sequence, n); | |
| 1329 #endif | |
| 1330 } | |
| 1331 else if (STRINGP (sequence) || | |
| 1332 VECTORP (sequence) || | |
| 1333 BIT_VECTORP (sequence)) | |
| 1334 return Faref (sequence, n); | |
| 1335 #ifdef LOSING_BYTECODE | |
| 1336 else if (COMPILED_FUNCTIONP (sequence)) | |
| 1337 { | |
| 1338 EMACS_INT idx = XINT (n); | |
| 1339 if (idx < 0) | |
| 1340 { | |
| 1341 lose: | |
| 1342 args_out_of_range (sequence, n); | |
| 1343 } | |
| 1344 /* Utter perversity */ | |
| 1345 { | |
| 1346 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (sequence); | |
| 1347 switch (idx) | |
| 1348 { | |
| 1349 case COMPILED_ARGLIST: | |
| 1350 return compiled_function_arglist (f); | |
| 1351 case COMPILED_INSTRUCTIONS: | |
| 1352 return compiled_function_instructions (f); | |
| 1353 case COMPILED_CONSTANTS: | |
| 1354 return compiled_function_constants (f); | |
| 1355 case COMPILED_STACK_DEPTH: | |
| 1356 return compiled_function_stack_depth (f); | |
| 1357 case COMPILED_DOC_STRING: | |
| 1358 return compiled_function_documentation (f); | |
| 1359 case COMPILED_DOMAIN: | |
| 1360 return compiled_function_domain (f); | |
| 1361 case COMPILED_INTERACTIVE: | |
| 1362 if (f->flags.interactivep) | |
| 1363 return compiled_function_interactive (f); | |
| 1364 /* if we return nil, can't tell interactive with no args | |
| 1365 from noninteractive. */ | |
| 1366 goto lose; | |
| 1367 default: | |
| 1368 goto lose; | |
| 1369 } | |
| 1370 } | |
| 1371 } | |
| 1372 #endif /* LOSING_BYTECODE */ | |
| 1373 else | |
| 1374 { | |
| 1375 check_losing_bytecode ("elt", sequence); | |
| 1376 sequence = wrong_type_argument (Qsequencep, sequence); | |
| 1377 goto retry; | |
| 1378 } | |
| 1379 } | |
| 1380 | |
| 1381 DEFUN ("last", Flast, 1, 2, 0, /* | |
| 1382 Return the tail of list LIST, of length N (default 1). | |
| 1383 LIST may be a dotted list, but not a circular list. | |
| 1384 Optional argument N must be a non-negative integer. | |
| 1385 If N is zero, then the atom that terminates the list is returned. | |
| 1386 If N is greater than the length of LIST, then LIST itself is returned. | |
| 1387 */ | |
| 1388 (list, n)) | |
| 1389 { | |
| 1390 EMACS_INT int_n, count; | |
| 1391 Lisp_Object retval, tortoise, hare; | |
| 1392 | |
| 1393 CHECK_LIST (list); | |
| 1394 | |
| 1395 if (NILP (n)) | |
| 1396 int_n = 1; | |
| 1397 else | |
| 1398 { | |
| 1399 CHECK_NATNUM (n); | |
| 1400 int_n = XINT (n); | |
| 1401 } | |
| 1402 | |
| 1403 for (retval = tortoise = hare = list, count = 0; | |
| 1404 CONSP (hare); | |
| 1405 hare = XCDR (hare), | |
| 1406 (int_n-- <= 0 ? ((void) (retval = XCDR (retval))) : (void)0), | |
| 1407 count++) | |
| 1408 { | |
| 1409 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue; | |
| 1410 | |
| 1411 if (count & 1) | |
| 1412 tortoise = XCDR (tortoise); | |
| 1413 if (EQ (hare, tortoise)) | |
| 1414 signal_circular_list_error (list); | |
| 1415 } | |
| 1416 | |
| 1417 return retval; | |
| 1418 } | |
| 1419 | |
| 1420 DEFUN ("nbutlast", Fnbutlast, 1, 2, 0, /* | |
| 1421 Modify LIST to remove the last N (default 1) elements. | |
| 1422 If LIST has N or fewer elements, nil is returned and LIST is unmodified. | |
| 1423 */ | |
| 1424 (list, n)) | |
| 1425 { | |
| 1426 EMACS_INT int_n; | |
| 1427 | |
| 1428 CHECK_LIST (list); | |
| 1429 | |
| 1430 if (NILP (n)) | |
| 1431 int_n = 1; | |
| 1432 else | |
| 1433 { | |
| 1434 CHECK_NATNUM (n); | |
| 1435 int_n = XINT (n); | |
| 1436 } | |
| 1437 | |
| 1438 { | |
| 1439 Lisp_Object last_cons = list; | |
| 1440 | |
| 1441 EXTERNAL_LIST_LOOP_1 (list) | |
| 1442 { | |
| 1443 if (int_n-- < 0) | |
| 1444 last_cons = XCDR (last_cons); | |
| 1445 } | |
| 1446 | |
| 1447 if (int_n >= 0) | |
| 1448 return Qnil; | |
| 1449 | |
| 1450 XCDR (last_cons) = Qnil; | |
| 1451 return list; | |
| 1452 } | |
| 1453 } | |
| 1454 | |
| 1455 DEFUN ("butlast", Fbutlast, 1, 2, 0, /* | |
| 1456 Return a copy of LIST with the last N (default 1) elements removed. | |
| 1457 If LIST has N or fewer elements, nil is returned. | |
| 1458 */ | |
| 1459 (list, n)) | |
| 1460 { | |
| 444 | 1461 EMACS_INT int_n; |
| 428 | 1462 |
| 1463 CHECK_LIST (list); | |
| 1464 | |
| 1465 if (NILP (n)) | |
| 1466 int_n = 1; | |
| 1467 else | |
| 1468 { | |
| 1469 CHECK_NATNUM (n); | |
| 1470 int_n = XINT (n); | |
| 1471 } | |
| 1472 | |
| 1473 { | |
| 1474 Lisp_Object retval = Qnil; | |
| 1475 Lisp_Object tail = list; | |
| 1476 | |
| 1477 EXTERNAL_LIST_LOOP_1 (list) | |
| 1478 { | |
| 1479 if (--int_n < 0) | |
| 1480 { | |
| 1481 retval = Fcons (XCAR (tail), retval); | |
| 1482 tail = XCDR (tail); | |
| 1483 } | |
| 1484 } | |
| 1485 | |
| 1486 return Fnreverse (retval); | |
| 1487 } | |
| 1488 } | |
| 1489 | |
| 1490 DEFUN ("member", Fmember, 2, 2, 0, /* | |
| 1491 Return non-nil if ELT is an element of LIST. Comparison done with `equal'. | |
| 1492 The value is actually the tail of LIST whose car is ELT. | |
| 1493 */ | |
| 1494 (elt, list)) | |
| 1495 { | |
| 1496 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail) | |
| 1497 { | |
| 1498 if (internal_equal (elt, list_elt, 0)) | |
| 1499 return tail; | |
| 1500 } | |
| 1501 return Qnil; | |
| 1502 } | |
| 1503 | |
| 1504 DEFUN ("old-member", Fold_member, 2, 2, 0, /* | |
| 1505 Return non-nil if ELT is an element of LIST. Comparison done with `old-equal'. | |
| 1506 The value is actually the tail of LIST whose car is ELT. | |
| 1507 This function is provided only for byte-code compatibility with v19. | |
| 1508 Do not use it. | |
| 1509 */ | |
| 1510 (elt, list)) | |
| 1511 { | |
| 1512 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail) | |
| 1513 { | |
| 1514 if (internal_old_equal (elt, list_elt, 0)) | |
| 1515 return tail; | |
| 1516 } | |
| 1517 return Qnil; | |
| 1518 } | |
| 1519 | |
| 1520 DEFUN ("memq", Fmemq, 2, 2, 0, /* | |
| 1521 Return non-nil if ELT is an element of LIST. Comparison done with `eq'. | |
| 1522 The value is actually the tail of LIST whose car is ELT. | |
| 1523 */ | |
| 1524 (elt, list)) | |
| 1525 { | |
| 1526 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail) | |
| 1527 { | |
| 1528 if (EQ_WITH_EBOLA_NOTICE (elt, list_elt)) | |
| 1529 return tail; | |
| 1530 } | |
| 1531 return Qnil; | |
| 1532 } | |
| 1533 | |
| 1534 DEFUN ("old-memq", Fold_memq, 2, 2, 0, /* | |
| 1535 Return non-nil if ELT is an element of LIST. Comparison done with `old-eq'. | |
| 1536 The value is actually the tail of LIST whose car is ELT. | |
| 1537 This function is provided only for byte-code compatibility with v19. | |
| 1538 Do not use it. | |
| 1539 */ | |
| 1540 (elt, list)) | |
| 1541 { | |
| 1542 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail) | |
| 1543 { | |
| 1544 if (HACKEQ_UNSAFE (elt, list_elt)) | |
| 1545 return tail; | |
| 1546 } | |
| 1547 return Qnil; | |
| 1548 } | |
| 1549 | |
| 1550 Lisp_Object | |
| 1551 memq_no_quit (Lisp_Object elt, Lisp_Object list) | |
| 1552 { | |
| 1553 LIST_LOOP_3 (list_elt, list, tail) | |
| 1554 { | |
| 1555 if (EQ_WITH_EBOLA_NOTICE (elt, list_elt)) | |
| 1556 return tail; | |
| 1557 } | |
| 1558 return Qnil; | |
| 1559 } | |
| 1560 | |
| 1561 DEFUN ("assoc", Fassoc, 2, 2, 0, /* | |
| 444 | 1562 Return non-nil if KEY is `equal' to the car of an element of ALIST. |
| 1563 The value is actually the element of ALIST whose car equals KEY. | |
| 428 | 1564 */ |
| 444 | 1565 (key, alist)) |
| 428 | 1566 { |
| 1567 /* This function can GC. */ | |
| 444 | 1568 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1569 { |
| 1570 if (internal_equal (key, elt_car, 0)) | |
| 1571 return elt; | |
| 1572 } | |
| 1573 return Qnil; | |
| 1574 } | |
| 1575 | |
| 1576 DEFUN ("old-assoc", Fold_assoc, 2, 2, 0, /* | |
| 444 | 1577 Return non-nil if KEY is `old-equal' to the car of an element of ALIST. |
| 1578 The value is actually the element of ALIST whose car equals KEY. | |
| 428 | 1579 */ |
| 444 | 1580 (key, alist)) |
| 428 | 1581 { |
| 1582 /* This function can GC. */ | |
| 444 | 1583 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1584 { |
| 1585 if (internal_old_equal (key, elt_car, 0)) | |
| 1586 return elt; | |
| 1587 } | |
| 1588 return Qnil; | |
| 1589 } | |
| 1590 | |
| 1591 Lisp_Object | |
| 444 | 1592 assoc_no_quit (Lisp_Object key, Lisp_Object alist) |
| 428 | 1593 { |
| 1594 int speccount = specpdl_depth (); | |
| 1595 specbind (Qinhibit_quit, Qt); | |
| 771 | 1596 return unbind_to_1 (speccount, Fassoc (key, alist)); |
| 428 | 1597 } |
| 1598 | |
| 1599 DEFUN ("assq", Fassq, 2, 2, 0, /* | |
| 444 | 1600 Return non-nil if KEY is `eq' to the car of an element of ALIST. |
| 1601 The value is actually the element of ALIST whose car is KEY. | |
| 1602 Elements of ALIST that are not conses are ignored. | |
| 428 | 1603 */ |
| 444 | 1604 (key, alist)) |
| 428 | 1605 { |
| 444 | 1606 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1607 { |
| 1608 if (EQ_WITH_EBOLA_NOTICE (key, elt_car)) | |
| 1609 return elt; | |
| 1610 } | |
| 1611 return Qnil; | |
| 1612 } | |
| 1613 | |
| 1614 DEFUN ("old-assq", Fold_assq, 2, 2, 0, /* | |
| 444 | 1615 Return non-nil if KEY is `old-eq' to the car of an element of ALIST. |
| 1616 The value is actually the element of ALIST whose car is KEY. | |
| 1617 Elements of ALIST that are not conses are ignored. | |
| 428 | 1618 This function is provided only for byte-code compatibility with v19. |
| 1619 Do not use it. | |
| 1620 */ | |
| 444 | 1621 (key, alist)) |
| 428 | 1622 { |
| 444 | 1623 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1624 { |
| 1625 if (HACKEQ_UNSAFE (key, elt_car)) | |
| 1626 return elt; | |
| 1627 } | |
| 1628 return Qnil; | |
| 1629 } | |
| 1630 | |
| 1631 /* Like Fassq but never report an error and do not allow quits. | |
| 1632 Use only on lists known never to be circular. */ | |
| 1633 | |
| 1634 Lisp_Object | |
| 444 | 1635 assq_no_quit (Lisp_Object key, Lisp_Object alist) |
| 428 | 1636 { |
| 1637 /* This cannot GC. */ | |
| 444 | 1638 LIST_LOOP_2 (elt, alist) |
| 428 | 1639 { |
| 1640 Lisp_Object elt_car = XCAR (elt); | |
| 1641 if (EQ_WITH_EBOLA_NOTICE (key, elt_car)) | |
| 1642 return elt; | |
| 1643 } | |
| 1644 return Qnil; | |
| 1645 } | |
| 1646 | |
| 1647 DEFUN ("rassoc", Frassoc, 2, 2, 0, /* | |
| 444 | 1648 Return non-nil if VALUE is `equal' to the cdr of an element of ALIST. |
| 1649 The value is actually the element of ALIST whose cdr equals VALUE. | |
| 428 | 1650 */ |
| 444 | 1651 (value, alist)) |
| 428 | 1652 { |
| 444 | 1653 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1654 { |
| 444 | 1655 if (internal_equal (value, elt_cdr, 0)) |
| 428 | 1656 return elt; |
| 1657 } | |
| 1658 return Qnil; | |
| 1659 } | |
| 1660 | |
| 1661 DEFUN ("old-rassoc", Fold_rassoc, 2, 2, 0, /* | |
| 444 | 1662 Return non-nil if VALUE is `old-equal' to the cdr of an element of ALIST. |
| 1663 The value is actually the element of ALIST whose cdr equals VALUE. | |
| 428 | 1664 */ |
| 444 | 1665 (value, alist)) |
| 428 | 1666 { |
| 444 | 1667 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1668 { |
| 444 | 1669 if (internal_old_equal (value, elt_cdr, 0)) |
| 428 | 1670 return elt; |
| 1671 } | |
| 1672 return Qnil; | |
| 1673 } | |
| 1674 | |
| 1675 DEFUN ("rassq", Frassq, 2, 2, 0, /* | |
| 444 | 1676 Return non-nil if VALUE is `eq' to the cdr of an element of ALIST. |
| 1677 The value is actually the element of ALIST whose cdr is VALUE. | |
| 428 | 1678 */ |
| 444 | 1679 (value, alist)) |
| 428 | 1680 { |
| 444 | 1681 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1682 { |
| 444 | 1683 if (EQ_WITH_EBOLA_NOTICE (value, elt_cdr)) |
| 428 | 1684 return elt; |
| 1685 } | |
| 1686 return Qnil; | |
| 1687 } | |
| 1688 | |
| 1689 DEFUN ("old-rassq", Fold_rassq, 2, 2, 0, /* | |
| 444 | 1690 Return non-nil if VALUE is `old-eq' to the cdr of an element of ALIST. |
| 1691 The value is actually the element of ALIST whose cdr is VALUE. | |
| 428 | 1692 */ |
| 444 | 1693 (value, alist)) |
| 428 | 1694 { |
| 444 | 1695 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist) |
| 428 | 1696 { |
| 444 | 1697 if (HACKEQ_UNSAFE (value, elt_cdr)) |
| 428 | 1698 return elt; |
| 1699 } | |
| 1700 return Qnil; | |
| 1701 } | |
| 1702 | |
| 444 | 1703 /* Like Frassq, but caller must ensure that ALIST is properly |
| 428 | 1704 nil-terminated and ebola-free. */ |
| 1705 Lisp_Object | |
| 444 | 1706 rassq_no_quit (Lisp_Object value, Lisp_Object alist) |
| 428 | 1707 { |
| 444 | 1708 LIST_LOOP_2 (elt, alist) |
| 428 | 1709 { |
| 1710 Lisp_Object elt_cdr = XCDR (elt); | |
| 444 | 1711 if (EQ_WITH_EBOLA_NOTICE (value, elt_cdr)) |
| 428 | 1712 return elt; |
| 1713 } | |
| 1714 return Qnil; | |
| 1715 } | |
| 1716 | |
| 1717 | |
| 1718 DEFUN ("delete", Fdelete, 2, 2, 0, /* | |
| 1719 Delete by side effect any occurrences of ELT as a member of LIST. | |
| 1720 The modified LIST is returned. Comparison is done with `equal'. | |
| 1721 If the first member of LIST is ELT, there is no way to remove it by side | |
| 1722 effect; therefore, write `(setq foo (delete element foo))' to be sure | |
| 1723 of changing the value of `foo'. | |
| 1724 Also see: `remove'. | |
| 1725 */ | |
| 1726 (elt, list)) | |
| 1727 { | |
| 1728 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list, | |
| 1729 (internal_equal (elt, list_elt, 0))); | |
| 1730 return list; | |
| 1731 } | |
| 1732 | |
| 1733 DEFUN ("old-delete", Fold_delete, 2, 2, 0, /* | |
| 1734 Delete by side effect any occurrences of ELT as a member of LIST. | |
| 1735 The modified LIST is returned. Comparison is done with `old-equal'. | |
| 1736 If the first member of LIST is ELT, there is no way to remove it by side | |
| 1737 effect; therefore, write `(setq foo (old-delete element foo))' to be sure | |
| 1738 of changing the value of `foo'. | |
| 1739 */ | |
| 1740 (elt, list)) | |
| 1741 { | |
| 1742 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list, | |
| 1743 (internal_old_equal (elt, list_elt, 0))); | |
| 1744 return list; | |
| 1745 } | |
| 1746 | |
| 1747 DEFUN ("delq", Fdelq, 2, 2, 0, /* | |
| 1748 Delete by side effect any occurrences of ELT as a member of LIST. | |
| 1749 The modified LIST is returned. Comparison is done with `eq'. | |
| 1750 If the first member of LIST is ELT, there is no way to remove it by side | |
| 1751 effect; therefore, write `(setq foo (delq element foo))' to be sure of | |
| 1752 changing the value of `foo'. | |
| 1753 */ | |
| 1754 (elt, list)) | |
| 1755 { | |
| 1756 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list, | |
| 1757 (EQ_WITH_EBOLA_NOTICE (elt, list_elt))); | |
| 1758 return list; | |
| 1759 } | |
| 1760 | |
| 1761 DEFUN ("old-delq", Fold_delq, 2, 2, 0, /* | |
| 1762 Delete by side effect any occurrences of ELT as a member of LIST. | |
| 1763 The modified LIST is returned. Comparison is done with `old-eq'. | |
| 1764 If the first member of LIST is ELT, there is no way to remove it by side | |
| 1765 effect; therefore, write `(setq foo (old-delq element foo))' to be sure of | |
| 1766 changing the value of `foo'. | |
| 1767 */ | |
| 1768 (elt, list)) | |
| 1769 { | |
| 1770 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list, | |
| 1771 (HACKEQ_UNSAFE (elt, list_elt))); | |
| 1772 return list; | |
| 1773 } | |
| 1774 | |
| 1775 /* Like Fdelq, but caller must ensure that LIST is properly | |
| 1776 nil-terminated and ebola-free. */ | |
| 1777 | |
| 1778 Lisp_Object | |
| 1779 delq_no_quit (Lisp_Object elt, Lisp_Object list) | |
| 1780 { | |
| 1781 LIST_LOOP_DELETE_IF (list_elt, list, | |
| 1782 (EQ_WITH_EBOLA_NOTICE (elt, list_elt))); | |
| 1783 return list; | |
| 1784 } | |
| 1785 | |
| 1786 /* Be VERY careful with this. This is like delq_no_quit() but | |
| 1787 also calls free_cons() on the removed conses. You must be SURE | |
| 1788 that no pointers to the freed conses remain around (e.g. | |
| 1789 someone else is pointing to part of the list). This function | |
| 1790 is useful on internal lists that are used frequently and where | |
| 1791 the actual list doesn't escape beyond known code bounds. */ | |
| 1792 | |
| 1793 Lisp_Object | |
| 1794 delq_no_quit_and_free_cons (Lisp_Object elt, Lisp_Object list) | |
| 1795 { | |
| 1796 REGISTER Lisp_Object tail = list; | |
| 1797 REGISTER Lisp_Object prev = Qnil; | |
| 1798 | |
| 1799 while (!NILP (tail)) | |
| 1800 { | |
| 1801 REGISTER Lisp_Object tem = XCAR (tail); | |
| 1802 if (EQ (elt, tem)) | |
| 1803 { | |
| 1804 Lisp_Object cons_to_free = tail; | |
| 1805 if (NILP (prev)) | |
| 1806 list = XCDR (tail); | |
| 1807 else | |
| 1808 XCDR (prev) = XCDR (tail); | |
| 1809 tail = XCDR (tail); | |
| 853 | 1810 free_cons (cons_to_free); |
| 428 | 1811 } |
| 1812 else | |
| 1813 { | |
| 1814 prev = tail; | |
| 1815 tail = XCDR (tail); | |
| 1816 } | |
| 1817 } | |
| 1818 return list; | |
| 1819 } | |
| 1820 | |
| 1821 DEFUN ("remassoc", Fremassoc, 2, 2, 0, /* | |
| 444 | 1822 Delete by side effect any elements of ALIST whose car is `equal' to KEY. |
| 1823 The modified ALIST is returned. If the first member of ALIST has a car | |
| 428 | 1824 that is `equal' to KEY, there is no way to remove it by side effect; |
| 1825 therefore, write `(setq foo (remassoc key foo))' to be sure of changing | |
| 1826 the value of `foo'. | |
| 1827 */ | |
| 444 | 1828 (key, alist)) |
| 428 | 1829 { |
| 444 | 1830 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1831 (CONSP (elt) && |
| 1832 internal_equal (key, XCAR (elt), 0))); | |
| 444 | 1833 return alist; |
| 428 | 1834 } |
| 1835 | |
| 1836 Lisp_Object | |
| 444 | 1837 remassoc_no_quit (Lisp_Object key, Lisp_Object alist) |
| 428 | 1838 { |
| 1839 int speccount = specpdl_depth (); | |
| 1840 specbind (Qinhibit_quit, Qt); | |
| 771 | 1841 return unbind_to_1 (speccount, Fremassoc (key, alist)); |
| 428 | 1842 } |
| 1843 | |
| 1844 DEFUN ("remassq", Fremassq, 2, 2, 0, /* | |
| 444 | 1845 Delete by side effect any elements of ALIST whose car is `eq' to KEY. |
| 1846 The modified ALIST is returned. If the first member of ALIST has a car | |
| 428 | 1847 that is `eq' to KEY, there is no way to remove it by side effect; |
| 1848 therefore, write `(setq foo (remassq key foo))' to be sure of changing | |
| 1849 the value of `foo'. | |
| 1850 */ | |
| 444 | 1851 (key, alist)) |
| 428 | 1852 { |
| 444 | 1853 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1854 (CONSP (elt) && |
| 1855 EQ_WITH_EBOLA_NOTICE (key, XCAR (elt)))); | |
| 444 | 1856 return alist; |
| 428 | 1857 } |
| 1858 | |
| 1859 /* no quit, no errors; be careful */ | |
| 1860 | |
| 1861 Lisp_Object | |
| 444 | 1862 remassq_no_quit (Lisp_Object key, Lisp_Object alist) |
| 428 | 1863 { |
| 444 | 1864 LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1865 (CONSP (elt) && |
| 1866 EQ_WITH_EBOLA_NOTICE (key, XCAR (elt)))); | |
| 444 | 1867 return alist; |
| 428 | 1868 } |
| 1869 | |
| 1870 DEFUN ("remrassoc", Fremrassoc, 2, 2, 0, /* | |
| 444 | 1871 Delete by side effect any elements of ALIST whose cdr is `equal' to VALUE. |
| 1872 The modified ALIST is returned. If the first member of ALIST has a car | |
| 428 | 1873 that is `equal' to VALUE, there is no way to remove it by side effect; |
| 1874 therefore, write `(setq foo (remrassoc value foo))' to be sure of changing | |
| 1875 the value of `foo'. | |
| 1876 */ | |
| 444 | 1877 (value, alist)) |
| 428 | 1878 { |
| 444 | 1879 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1880 (CONSP (elt) && |
| 1881 internal_equal (value, XCDR (elt), 0))); | |
| 444 | 1882 return alist; |
| 428 | 1883 } |
| 1884 | |
| 1885 DEFUN ("remrassq", Fremrassq, 2, 2, 0, /* | |
| 444 | 1886 Delete by side effect any elements of ALIST whose cdr is `eq' to VALUE. |
| 1887 The modified ALIST is returned. If the first member of ALIST has a car | |
| 428 | 1888 that is `eq' to VALUE, there is no way to remove it by side effect; |
| 1889 therefore, write `(setq foo (remrassq value foo))' to be sure of changing | |
| 1890 the value of `foo'. | |
| 1891 */ | |
| 444 | 1892 (value, alist)) |
| 428 | 1893 { |
| 444 | 1894 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1895 (CONSP (elt) && |
| 1896 EQ_WITH_EBOLA_NOTICE (value, XCDR (elt)))); | |
| 444 | 1897 return alist; |
| 428 | 1898 } |
| 1899 | |
| 1900 /* Like Fremrassq, fast and unsafe; be careful */ | |
| 1901 Lisp_Object | |
| 444 | 1902 remrassq_no_quit (Lisp_Object value, Lisp_Object alist) |
| 428 | 1903 { |
| 444 | 1904 LIST_LOOP_DELETE_IF (elt, alist, |
| 428 | 1905 (CONSP (elt) && |
| 1906 EQ_WITH_EBOLA_NOTICE (value, XCDR (elt)))); | |
| 444 | 1907 return alist; |
| 428 | 1908 } |
| 1909 | |
| 1910 DEFUN ("nreverse", Fnreverse, 1, 1, 0, /* | |
| 1911 Reverse LIST by destructively modifying cdr pointers. | |
| 1912 Return the beginning of the reversed list. | |
| 1913 Also see: `reverse'. | |
| 1914 */ | |
| 1915 (list)) | |
| 1916 { | |
| 1917 struct gcpro gcpro1, gcpro2; | |
| 1849 | 1918 Lisp_Object prev = Qnil; |
| 1919 Lisp_Object tail = list; | |
| 428 | 1920 |
| 1921 /* We gcpro our args; see `nconc' */ | |
| 1922 GCPRO2 (prev, tail); | |
| 1923 while (!NILP (tail)) | |
| 1924 { | |
| 1925 REGISTER Lisp_Object next; | |
| 1926 CONCHECK_CONS (tail); | |
| 1927 next = XCDR (tail); | |
| 1928 XCDR (tail) = prev; | |
| 1929 prev = tail; | |
| 1930 tail = next; | |
| 1931 } | |
| 1932 UNGCPRO; | |
| 1933 return prev; | |
| 1934 } | |
| 1935 | |
| 1936 DEFUN ("reverse", Freverse, 1, 1, 0, /* | |
| 1937 Reverse LIST, copying. Return the beginning of the reversed list. | |
| 1938 See also the function `nreverse', which is used more often. | |
| 1939 */ | |
| 1940 (list)) | |
| 1941 { | |
| 1942 Lisp_Object reversed_list = Qnil; | |
| 1943 EXTERNAL_LIST_LOOP_2 (elt, list) | |
| 1944 { | |
| 1945 reversed_list = Fcons (elt, reversed_list); | |
| 1946 } | |
| 1947 return reversed_list; | |
| 1948 } | |
| 1949 | |
| 1950 static Lisp_Object list_merge (Lisp_Object org_l1, Lisp_Object org_l2, | |
| 1951 Lisp_Object lisp_arg, | |
| 1952 int (*pred_fn) (Lisp_Object, Lisp_Object, | |
| 1953 Lisp_Object lisp_arg)); | |
| 1954 | |
| 872 | 1955 /* The sort function should return > 0 if OBJ1 < OBJ2, < 0 otherwise. |
| 1956 NOTE: This is backwards from the way qsort() works. */ | |
| 1957 | |
| 428 | 1958 Lisp_Object |
| 1959 list_sort (Lisp_Object list, | |
| 1960 Lisp_Object lisp_arg, | |
| 872 | 1961 int (*pred_fn) (Lisp_Object obj1, Lisp_Object obj2, |
| 428 | 1962 Lisp_Object lisp_arg)) |
| 1963 { | |
| 1964 struct gcpro gcpro1, gcpro2, gcpro3; | |
| 1965 Lisp_Object back, tem; | |
| 1966 Lisp_Object front = list; | |
| 1967 Lisp_Object len = Flength (list); | |
| 444 | 1968 |
| 1969 if (XINT (len) < 2) | |
| 428 | 1970 return list; |
| 1971 | |
| 444 | 1972 len = make_int (XINT (len) / 2 - 1); |
| 428 | 1973 tem = Fnthcdr (len, list); |
| 1974 back = Fcdr (tem); | |
| 1975 Fsetcdr (tem, Qnil); | |
| 1976 | |
| 1977 GCPRO3 (front, back, lisp_arg); | |
| 1978 front = list_sort (front, lisp_arg, pred_fn); | |
| 1979 back = list_sort (back, lisp_arg, pred_fn); | |
| 1980 UNGCPRO; | |
| 1981 return list_merge (front, back, lisp_arg, pred_fn); | |
| 1982 } | |
| 1983 | |
| 1984 | |
| 1985 static int | |
| 1986 merge_pred_function (Lisp_Object obj1, Lisp_Object obj2, | |
| 1987 Lisp_Object pred) | |
| 1988 { | |
| 1989 Lisp_Object tmp; | |
| 1990 | |
| 1991 /* prevents the GC from happening in call2 */ | |
| 853 | 1992 /* Emacs' GC doesn't actually relocate pointers, so this probably |
| 1993 isn't strictly necessary */ | |
| 771 | 1994 int speccount = begin_gc_forbidden (); |
| 428 | 1995 tmp = call2 (pred, obj1, obj2); |
| 771 | 1996 unbind_to (speccount); |
| 428 | 1997 |
| 1998 if (NILP (tmp)) | |
| 1999 return -1; | |
| 2000 else | |
| 2001 return 1; | |
| 2002 } | |
| 2003 | |
| 2004 DEFUN ("sort", Fsort, 2, 2, 0, /* | |
| 2005 Sort LIST, stably, comparing elements using PREDICATE. | |
| 2006 Returns the sorted list. LIST is modified by side effects. | |
| 2007 PREDICATE is called with two elements of LIST, and should return T | |
| 2008 if the first element is "less" than the second. | |
| 2009 */ | |
| 444 | 2010 (list, predicate)) |
| 428 | 2011 { |
| 444 | 2012 return list_sort (list, predicate, merge_pred_function); |
| 428 | 2013 } |
| 2014 | |
| 2015 Lisp_Object | |
| 2016 merge (Lisp_Object org_l1, Lisp_Object org_l2, | |
| 2017 Lisp_Object pred) | |
| 2018 { | |
| 2019 return list_merge (org_l1, org_l2, pred, merge_pred_function); | |
| 2020 } | |
| 2021 | |
| 2022 | |
| 2023 static Lisp_Object | |
| 2024 list_merge (Lisp_Object org_l1, Lisp_Object org_l2, | |
| 2025 Lisp_Object lisp_arg, | |
| 2026 int (*pred_fn) (Lisp_Object, Lisp_Object, Lisp_Object lisp_arg)) | |
| 2027 { | |
| 2028 Lisp_Object value; | |
| 2029 Lisp_Object tail; | |
| 2030 Lisp_Object tem; | |
| 2031 Lisp_Object l1, l2; | |
| 2032 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; | |
| 2033 | |
| 2034 l1 = org_l1; | |
| 2035 l2 = org_l2; | |
| 2036 tail = Qnil; | |
| 2037 value = Qnil; | |
| 2038 | |
| 2039 /* It is sufficient to protect org_l1 and org_l2. | |
| 2040 When l1 and l2 are updated, we copy the new values | |
| 2041 back into the org_ vars. */ | |
| 2042 | |
| 2043 GCPRO4 (org_l1, org_l2, lisp_arg, value); | |
| 2044 | |
| 2045 while (1) | |
| 2046 { | |
| 2047 if (NILP (l1)) | |
| 2048 { | |
| 2049 UNGCPRO; | |
| 2050 if (NILP (tail)) | |
| 2051 return l2; | |
| 2052 Fsetcdr (tail, l2); | |
| 2053 return value; | |
| 2054 } | |
| 2055 if (NILP (l2)) | |
| 2056 { | |
| 2057 UNGCPRO; | |
| 2058 if (NILP (tail)) | |
| 2059 return l1; | |
| 2060 Fsetcdr (tail, l1); | |
| 2061 return value; | |
| 2062 } | |
| 2063 | |
| 2064 if (((*pred_fn) (Fcar (l2), Fcar (l1), lisp_arg)) < 0) | |
| 2065 { | |
| 2066 tem = l1; | |
| 2067 l1 = Fcdr (l1); | |
| 2068 org_l1 = l1; | |
| 2069 } | |
| 2070 else | |
| 2071 { | |
| 2072 tem = l2; | |
| 2073 l2 = Fcdr (l2); | |
| 2074 org_l2 = l2; | |
| 2075 } | |
| 2076 if (NILP (tail)) | |
| 2077 value = tem; | |
| 2078 else | |
| 2079 Fsetcdr (tail, tem); | |
| 2080 tail = tem; | |
| 2081 } | |
| 2082 } | |
| 2083 | |
| 2084 | |
| 2085 /************************************************************************/ | |
| 2086 /* property-list functions */ | |
| 2087 /************************************************************************/ | |
| 2088 | |
| 2089 /* For properties of text, we need to do order-insensitive comparison of | |
| 2090 plists. That is, we need to compare two plists such that they are the | |
| 2091 same if they have the same set of keys, and equivalent values. | |
| 2092 So (a 1 b 2) would be equal to (b 2 a 1). | |
| 2093 | |
| 2094 NIL_MEANS_NOT_PRESENT is as in `plists-eq' etc. | |
| 2095 LAXP means use `equal' for comparisons. | |
| 2096 */ | |
| 2097 int | |
| 2098 plists_differ (Lisp_Object a, Lisp_Object b, int nil_means_not_present, | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2099 int laxp, int depth, int foldcase) |
| 428 | 2100 { |
| 438 | 2101 int eqp = (depth == -1); /* -1 as depth means use eq, not equal. */ |
| 428 | 2102 int la, lb, m, i, fill; |
| 2103 Lisp_Object *keys, *vals; | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
2104 Boolbyte *flags; |
| 428 | 2105 Lisp_Object rest; |
| 2106 | |
| 2107 if (NILP (a) && NILP (b)) | |
| 2108 return 0; | |
| 2109 | |
| 2110 Fcheck_valid_plist (a); | |
| 2111 Fcheck_valid_plist (b); | |
| 2112 | |
| 2113 la = XINT (Flength (a)); | |
| 2114 lb = XINT (Flength (b)); | |
| 2115 m = (la > lb ? la : lb); | |
| 2116 fill = 0; | |
| 2117 keys = alloca_array (Lisp_Object, m); | |
| 2118 vals = alloca_array (Lisp_Object, m); | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
2119 flags = alloca_array (Boolbyte, m); |
| 428 | 2120 |
| 2121 /* First extract the pairs from A. */ | |
| 2122 for (rest = a; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 2123 { | |
| 2124 Lisp_Object k = XCAR (rest); | |
| 2125 Lisp_Object v = XCAR (XCDR (rest)); | |
| 2126 /* Maybe be Ebolified. */ | |
| 2127 if (nil_means_not_present && NILP (v)) continue; | |
| 2128 keys [fill] = k; | |
| 2129 vals [fill] = v; | |
| 2130 flags[fill] = 0; | |
| 2131 fill++; | |
| 2132 } | |
| 2133 /* Now iterate over B, and stop if we find something that's not in A, | |
| 2134 or that doesn't match. As we match, mark them. */ | |
| 2135 for (rest = b; !NILP (rest); rest = XCDR (XCDR (rest))) | |
| 2136 { | |
| 2137 Lisp_Object k = XCAR (rest); | |
| 2138 Lisp_Object v = XCAR (XCDR (rest)); | |
| 2139 /* Maybe be Ebolified. */ | |
| 2140 if (nil_means_not_present && NILP (v)) continue; | |
| 2141 for (i = 0; i < fill; i++) | |
| 2142 { | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2143 if (!laxp ? EQ (k, keys [i]) : |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2144 internal_equal_0 (k, keys [i], depth, foldcase)) |
| 428 | 2145 { |
| 434 | 2146 if (eqp |
| 2147 /* We narrowly escaped being Ebolified here. */ | |
| 2148 ? !EQ_WITH_EBOLA_NOTICE (v, vals [i]) | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2149 : !internal_equal_0 (v, vals [i], depth, foldcase)) |
| 428 | 2150 /* a property in B has a different value than in A */ |
| 2151 goto MISMATCH; | |
| 2152 flags [i] = 1; | |
| 2153 break; | |
| 2154 } | |
| 2155 } | |
| 2156 if (i == fill) | |
| 2157 /* there are some properties in B that are not in A */ | |
| 2158 goto MISMATCH; | |
| 2159 } | |
| 2160 /* Now check to see that all the properties in A were also in B */ | |
| 2161 for (i = 0; i < fill; i++) | |
| 2162 if (flags [i] == 0) | |
| 2163 goto MISMATCH; | |
| 2164 | |
| 2165 /* Ok. */ | |
| 2166 return 0; | |
| 2167 | |
| 2168 MISMATCH: | |
| 2169 return 1; | |
| 2170 } | |
| 2171 | |
| 2172 DEFUN ("plists-eq", Fplists_eq, 2, 3, 0, /* | |
| 2173 Return non-nil if property lists A and B are `eq'. | |
| 2174 A property list is an alternating list of keywords and values. | |
| 2175 This function does order-insensitive comparisons of the property lists: | |
| 2176 For example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal. | |
| 2177 Comparison between values is done using `eq'. See also `plists-equal'. | |
| 2178 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2179 a nil value is ignored. This feature is a virus that has infected | |
| 2180 old Lisp implementations, but should not be used except for backward | |
| 2181 compatibility. | |
| 2182 */ | |
| 2183 (a, b, nil_means_not_present)) | |
| 2184 { | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2185 return (plists_differ (a, b, !NILP (nil_means_not_present), 0, -1, 0) |
| 428 | 2186 ? Qnil : Qt); |
| 2187 } | |
| 2188 | |
| 2189 DEFUN ("plists-equal", Fplists_equal, 2, 3, 0, /* | |
| 2190 Return non-nil if property lists A and B are `equal'. | |
| 2191 A property list is an alternating list of keywords and values. This | |
| 2192 function does order-insensitive comparisons of the property lists: For | |
| 2193 example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal. | |
| 2194 Comparison between values is done using `equal'. See also `plists-eq'. | |
| 2195 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2196 a nil value is ignored. This feature is a virus that has infected | |
| 2197 old Lisp implementations, but should not be used except for backward | |
| 2198 compatibility. | |
| 2199 */ | |
| 2200 (a, b, nil_means_not_present)) | |
| 2201 { | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2202 return (plists_differ (a, b, !NILP (nil_means_not_present), 0, 1, 0) |
| 428 | 2203 ? Qnil : Qt); |
| 2204 } | |
| 2205 | |
| 2206 | |
| 2207 DEFUN ("lax-plists-eq", Flax_plists_eq, 2, 3, 0, /* | |
| 2208 Return non-nil if lax property lists A and B are `eq'. | |
| 2209 A property list is an alternating list of keywords and values. | |
| 2210 This function does order-insensitive comparisons of the property lists: | |
| 2211 For example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal. | |
| 2212 Comparison between values is done using `eq'. See also `plists-equal'. | |
| 2213 A lax property list is like a regular one except that comparisons between | |
| 2214 keywords is done using `equal' instead of `eq'. | |
| 2215 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2216 a nil value is ignored. This feature is a virus that has infected | |
| 2217 old Lisp implementations, but should not be used except for backward | |
| 2218 compatibility. | |
| 2219 */ | |
| 2220 (a, b, nil_means_not_present)) | |
| 2221 { | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2222 return (plists_differ (a, b, !NILP (nil_means_not_present), 1, -1, 0) |
| 428 | 2223 ? Qnil : Qt); |
| 2224 } | |
| 2225 | |
| 2226 DEFUN ("lax-plists-equal", Flax_plists_equal, 2, 3, 0, /* | |
| 2227 Return non-nil if lax property lists A and B are `equal'. | |
| 2228 A property list is an alternating list of keywords and values. This | |
| 2229 function does order-insensitive comparisons of the property lists: For | |
| 2230 example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal. | |
| 2231 Comparison between values is done using `equal'. See also `plists-eq'. | |
| 2232 A lax property list is like a regular one except that comparisons between | |
| 2233 keywords is done using `equal' instead of `eq'. | |
| 2234 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2235 a nil value is ignored. This feature is a virus that has infected | |
| 2236 old Lisp implementations, but should not be used except for backward | |
| 2237 compatibility. | |
| 2238 */ | |
| 2239 (a, b, nil_means_not_present)) | |
| 2240 { | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2241 return (plists_differ (a, b, !NILP (nil_means_not_present), 1, 1, 0) |
| 428 | 2242 ? Qnil : Qt); |
| 2243 } | |
| 2244 | |
| 2245 /* Return the value associated with key PROPERTY in property list PLIST. | |
| 2246 Return nil if key not found. This function is used for internal | |
| 2247 property lists that cannot be directly manipulated by the user. | |
| 2248 */ | |
| 2249 | |
| 2250 Lisp_Object | |
| 2251 internal_plist_get (Lisp_Object plist, Lisp_Object property) | |
| 2252 { | |
| 2253 Lisp_Object tail; | |
| 2254 | |
| 2255 for (tail = plist; !NILP (tail); tail = XCDR (XCDR (tail))) | |
| 2256 { | |
| 2257 if (EQ (XCAR (tail), property)) | |
| 2258 return XCAR (XCDR (tail)); | |
| 2259 } | |
| 2260 | |
| 2261 return Qunbound; | |
| 2262 } | |
| 2263 | |
| 2264 /* Set PLIST's value for PROPERTY to VALUE. Analogous to | |
| 2265 internal_plist_get(). */ | |
| 2266 | |
| 2267 void | |
| 2268 internal_plist_put (Lisp_Object *plist, Lisp_Object property, | |
| 2269 Lisp_Object value) | |
| 2270 { | |
| 2271 Lisp_Object tail; | |
| 2272 | |
| 2273 for (tail = *plist; !NILP (tail); tail = XCDR (XCDR (tail))) | |
| 2274 { | |
| 2275 if (EQ (XCAR (tail), property)) | |
| 2276 { | |
| 2277 XCAR (XCDR (tail)) = value; | |
| 2278 return; | |
| 2279 } | |
| 2280 } | |
| 2281 | |
| 2282 *plist = Fcons (property, Fcons (value, *plist)); | |
| 2283 } | |
| 2284 | |
| 2285 int | |
| 2286 internal_remprop (Lisp_Object *plist, Lisp_Object property) | |
| 2287 { | |
| 2288 Lisp_Object tail, prev; | |
| 2289 | |
| 2290 for (tail = *plist, prev = Qnil; | |
| 2291 !NILP (tail); | |
| 2292 tail = XCDR (XCDR (tail))) | |
| 2293 { | |
| 2294 if (EQ (XCAR (tail), property)) | |
| 2295 { | |
| 2296 if (NILP (prev)) | |
| 2297 *plist = XCDR (XCDR (tail)); | |
| 2298 else | |
| 2299 XCDR (XCDR (prev)) = XCDR (XCDR (tail)); | |
| 2300 return 1; | |
| 2301 } | |
| 2302 else | |
| 2303 prev = tail; | |
| 2304 } | |
| 2305 | |
| 2306 return 0; | |
| 2307 } | |
| 2308 | |
| 2309 /* Called on a malformed property list. BADPLACE should be some | |
| 2310 place where truncating will form a good list -- i.e. we shouldn't | |
| 2311 result in a list with an odd length. */ | |
| 2312 | |
| 2313 static Lisp_Object | |
| 578 | 2314 bad_bad_bunny (Lisp_Object *plist, Lisp_Object *badplace, Error_Behavior errb) |
| 428 | 2315 { |
| 2316 if (ERRB_EQ (errb, ERROR_ME)) | |
| 2317 return Fsignal (Qmalformed_property_list, list2 (*plist, *badplace)); | |
| 2318 else | |
| 2319 { | |
| 2320 if (ERRB_EQ (errb, ERROR_ME_WARN)) | |
| 2321 { | |
| 2322 warn_when_safe_lispobj | |
| 2323 (Qlist, Qwarning, | |
| 771 | 2324 list2 (build_msg_string |
| 428 | 2325 ("Malformed property list -- list has been truncated"), |
| 2326 *plist)); | |
| 793 | 2327 /* #### WARNING: This is more dangerous than it seems; perhaps |
| 2328 not a good idea. It also violates the principle of least | |
| 2329 surprise -- passing in ERROR_ME_WARN causes truncation, but | |
| 2330 ERROR_ME and ERROR_ME_NOT don't. */ | |
| 428 | 2331 *badplace = Qnil; |
| 2332 } | |
| 2333 return Qunbound; | |
| 2334 } | |
| 2335 } | |
| 2336 | |
| 2337 /* Called on a circular property list. BADPLACE should be some place | |
| 2338 where truncating will result in an even-length list, as above. | |
| 2339 If doesn't particularly matter where we truncate -- anywhere we | |
| 2340 truncate along the entire list will break the circularity, because | |
| 2341 it will create a terminus and the list currently doesn't have one. | |
| 2342 */ | |
| 2343 | |
| 2344 static Lisp_Object | |
| 578 | 2345 bad_bad_turtle (Lisp_Object *plist, Lisp_Object *badplace, Error_Behavior errb) |
| 428 | 2346 { |
| 2347 if (ERRB_EQ (errb, ERROR_ME)) | |
| 2348 return Fsignal (Qcircular_property_list, list1 (*plist)); | |
| 2349 else | |
| 2350 { | |
| 2351 if (ERRB_EQ (errb, ERROR_ME_WARN)) | |
| 2352 { | |
| 2353 warn_when_safe_lispobj | |
| 2354 (Qlist, Qwarning, | |
| 771 | 2355 list2 (build_msg_string |
| 428 | 2356 ("Circular property list -- list has been truncated"), |
| 2357 *plist)); | |
| 793 | 2358 /* #### WARNING: This is more dangerous than it seems; perhaps |
| 2359 not a good idea. It also violates the principle of least | |
| 2360 surprise -- passing in ERROR_ME_WARN causes truncation, but | |
| 2361 ERROR_ME and ERROR_ME_NOT don't. */ | |
| 428 | 2362 *badplace = Qnil; |
| 2363 } | |
| 2364 return Qunbound; | |
| 2365 } | |
| 2366 } | |
| 2367 | |
| 2368 /* Advance the tortoise pointer by two (one iteration of a property-list | |
| 2369 loop) and the hare pointer by four and verify that no malformations | |
| 2370 or circularities exist. If so, return zero and store a value into | |
| 2371 RETVAL that should be returned by the calling function. Otherwise, | |
| 2372 return 1. See external_plist_get(). | |
| 2373 */ | |
| 2374 | |
| 2375 static int | |
| 2376 advance_plist_pointers (Lisp_Object *plist, | |
| 2377 Lisp_Object **tortoise, Lisp_Object **hare, | |
| 578 | 2378 Error_Behavior errb, Lisp_Object *retval) |
| 428 | 2379 { |
| 2380 int i; | |
| 2381 Lisp_Object *tortsave = *tortoise; | |
| 2382 | |
| 2383 /* Note that our "fixing" may be more brutal than necessary, | |
| 2384 but it's the user's own problem, not ours, if they went in and | |
| 2385 manually fucked up a plist. */ | |
| 2386 | |
| 2387 for (i = 0; i < 2; i++) | |
| 2388 { | |
| 2389 /* This is a standard iteration of a defensive-loop-checking | |
| 2390 loop. We just do it twice because we want to advance past | |
| 2391 both the property and its value. | |
| 2392 | |
| 2393 If the pointer indirection is confusing you, remember that | |
| 2394 one level of indirection on the hare and tortoise pointers | |
| 2395 is only due to pass-by-reference for this function. The other | |
| 2396 level is so that the plist can be fixed in place. */ | |
| 2397 | |
| 2398 /* When we reach the end of a well-formed plist, **HARE is | |
| 2399 nil. In that case, we don't do anything at all except | |
| 2400 advance TORTOISE by one. Otherwise, we advance HARE | |
| 2401 by two (making sure it's OK to do so), then advance | |
| 2402 TORTOISE by one (it will always be OK to do so because | |
| 2403 the HARE is always ahead of the TORTOISE and will have | |
| 2404 already verified the path), then make sure TORTOISE and | |
| 2405 HARE don't contain the same non-nil object -- if the | |
| 2406 TORTOISE and the HARE ever meet, then obviously we're | |
| 2407 in a circularity, and if we're in a circularity, then | |
| 2408 the TORTOISE and the HARE can't cross paths without | |
| 2409 meeting, since the HARE only gains one step over the | |
| 2410 TORTOISE per iteration. */ | |
| 2411 | |
| 2412 if (!NILP (**hare)) | |
| 2413 { | |
| 2414 Lisp_Object *haresave = *hare; | |
| 2415 if (!CONSP (**hare)) | |
| 2416 { | |
| 2417 *retval = bad_bad_bunny (plist, haresave, errb); | |
| 2418 return 0; | |
| 2419 } | |
| 2420 *hare = &XCDR (**hare); | |
| 2421 /* In a non-plist, we'd check here for a nil value for | |
| 2422 **HARE, which is OK (it just means the list has an | |
| 2423 odd number of elements). In a plist, it's not OK | |
| 2424 for the list to have an odd number of elements. */ | |
| 2425 if (!CONSP (**hare)) | |
| 2426 { | |
| 2427 *retval = bad_bad_bunny (plist, haresave, errb); | |
| 2428 return 0; | |
| 2429 } | |
| 2430 *hare = &XCDR (**hare); | |
| 2431 } | |
| 2432 | |
| 2433 *tortoise = &XCDR (**tortoise); | |
| 2434 if (!NILP (**hare) && EQ (**tortoise, **hare)) | |
| 2435 { | |
| 2436 *retval = bad_bad_turtle (plist, tortsave, errb); | |
| 2437 return 0; | |
| 2438 } | |
| 2439 } | |
| 2440 | |
| 2441 return 1; | |
| 2442 } | |
| 2443 | |
| 2444 /* Return the value of PROPERTY from PLIST, or Qunbound if | |
| 2445 property is not on the list. | |
| 2446 | |
| 2447 PLIST is a Lisp-accessible property list, meaning that it | |
| 2448 has to be checked for malformations and circularities. | |
| 2449 | |
| 2450 If ERRB is ERROR_ME, an error will be signalled. Otherwise, the | |
| 2451 function will never signal an error; and if ERRB is ERROR_ME_WARN, | |
| 2452 on finding a malformation or a circularity, it issues a warning and | |
| 2453 attempts to silently fix the problem. | |
| 2454 | |
| 2455 A pointer to PLIST is passed in so that PLIST can be successfully | |
| 2456 "fixed" even if the error is at the beginning of the plist. */ | |
| 2457 | |
| 2458 Lisp_Object | |
| 2459 external_plist_get (Lisp_Object *plist, Lisp_Object property, | |
| 578 | 2460 int laxp, Error_Behavior errb) |
| 428 | 2461 { |
| 2462 Lisp_Object *tortoise = plist; | |
| 2463 Lisp_Object *hare = plist; | |
| 2464 | |
| 2465 while (!NILP (*tortoise)) | |
| 2466 { | |
| 2467 Lisp_Object *tortsave = tortoise; | |
| 2468 Lisp_Object retval; | |
| 2469 | |
| 2470 /* We do the standard tortoise/hare march. We isolate the | |
| 2471 grungy stuff to do this in advance_plist_pointers(), though. | |
| 2472 To us, all this function does is advance the tortoise | |
| 2473 pointer by two and the hare pointer by four and make sure | |
| 2474 everything's OK. We first advance the pointers and then | |
| 2475 check if a property matched; this ensures that our | |
| 2476 check for a matching property is safe. */ | |
| 2477 | |
| 2478 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval)) | |
| 2479 return retval; | |
| 2480 | |
| 2481 if (!laxp ? EQ (XCAR (*tortsave), property) | |
| 2482 : internal_equal (XCAR (*tortsave), property, 0)) | |
| 2483 return XCAR (XCDR (*tortsave)); | |
| 2484 } | |
| 2485 | |
| 2486 return Qunbound; | |
| 2487 } | |
| 2488 | |
| 2489 /* Set PLIST's value for PROPERTY to VALUE, given a possibly | |
| 2490 malformed or circular plist. Analogous to external_plist_get(). */ | |
| 2491 | |
| 2492 void | |
| 2493 external_plist_put (Lisp_Object *plist, Lisp_Object property, | |
| 578 | 2494 Lisp_Object value, int laxp, Error_Behavior errb) |
| 428 | 2495 { |
| 2496 Lisp_Object *tortoise = plist; | |
| 2497 Lisp_Object *hare = plist; | |
| 2498 | |
| 2499 while (!NILP (*tortoise)) | |
| 2500 { | |
| 2501 Lisp_Object *tortsave = tortoise; | |
| 2502 Lisp_Object retval; | |
| 2503 | |
| 2504 /* See above */ | |
| 2505 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval)) | |
| 2506 return; | |
| 2507 | |
| 2508 if (!laxp ? EQ (XCAR (*tortsave), property) | |
| 2509 : internal_equal (XCAR (*tortsave), property, 0)) | |
| 2510 { | |
| 2511 XCAR (XCDR (*tortsave)) = value; | |
| 2512 return; | |
| 2513 } | |
| 2514 } | |
| 2515 | |
| 2516 *plist = Fcons (property, Fcons (value, *plist)); | |
| 2517 } | |
| 2518 | |
| 2519 int | |
| 2520 external_remprop (Lisp_Object *plist, Lisp_Object property, | |
| 578 | 2521 int laxp, Error_Behavior errb) |
| 428 | 2522 { |
| 2523 Lisp_Object *tortoise = plist; | |
| 2524 Lisp_Object *hare = plist; | |
| 2525 | |
| 2526 while (!NILP (*tortoise)) | |
| 2527 { | |
| 2528 Lisp_Object *tortsave = tortoise; | |
| 2529 Lisp_Object retval; | |
| 2530 | |
| 2531 /* See above */ | |
| 2532 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval)) | |
| 2533 return 0; | |
| 2534 | |
| 2535 if (!laxp ? EQ (XCAR (*tortsave), property) | |
| 2536 : internal_equal (XCAR (*tortsave), property, 0)) | |
| 2537 { | |
| 2538 /* Now you see why it's so convenient to have that level | |
| 2539 of indirection. */ | |
| 2540 *tortsave = XCDR (XCDR (*tortsave)); | |
| 2541 return 1; | |
| 2542 } | |
| 2543 } | |
| 2544 | |
| 2545 return 0; | |
| 2546 } | |
| 2547 | |
| 2548 DEFUN ("plist-get", Fplist_get, 2, 3, 0, /* | |
| 2549 Extract a value from a property list. | |
| 2550 PLIST is a property list, which is a list of the form | |
| 444 | 2551 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...). |
| 2552 PROPERTY is usually a symbol. | |
| 2553 This function returns the value corresponding to the PROPERTY, | |
| 2554 or DEFAULT if PROPERTY is not one of the properties on the list. | |
| 428 | 2555 */ |
| 444 | 2556 (plist, property, default_)) |
| 428 | 2557 { |
| 444 | 2558 Lisp_Object value = external_plist_get (&plist, property, 0, ERROR_ME); |
| 2559 return UNBOUNDP (value) ? default_ : value; | |
| 428 | 2560 } |
| 2561 | |
| 2562 DEFUN ("plist-put", Fplist_put, 3, 3, 0, /* | |
| 444 | 2563 Change value in PLIST of PROPERTY to VALUE. |
| 2564 PLIST is a property list, which is a list of the form | |
| 2565 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2 ...). | |
| 2566 PROPERTY is usually a symbol and VALUE is any object. | |
| 2567 If PROPERTY is already a property on the list, its value is set to VALUE, | |
| 2568 otherwise the new PROPERTY VALUE pair is added. | |
| 2569 The new plist is returned; use `(setq x (plist-put x property value))' | |
| 2570 to be sure to use the new value. PLIST is modified by side effect. | |
| 428 | 2571 */ |
| 444 | 2572 (plist, property, value)) |
| 428 | 2573 { |
| 444 | 2574 external_plist_put (&plist, property, value, 0, ERROR_ME); |
| 428 | 2575 return plist; |
| 2576 } | |
| 2577 | |
| 2578 DEFUN ("plist-remprop", Fplist_remprop, 2, 2, 0, /* | |
| 444 | 2579 Remove from PLIST the property PROPERTY and its value. |
| 2580 PLIST is a property list, which is a list of the form | |
| 2581 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2 ...). | |
| 2582 PROPERTY is usually a symbol. | |
| 2583 The new plist is returned; use `(setq x (plist-remprop x property))' | |
| 2584 to be sure to use the new value. PLIST is modified by side effect. | |
| 428 | 2585 */ |
| 444 | 2586 (plist, property)) |
| 428 | 2587 { |
| 444 | 2588 external_remprop (&plist, property, 0, ERROR_ME); |
| 428 | 2589 return plist; |
| 2590 } | |
| 2591 | |
| 2592 DEFUN ("plist-member", Fplist_member, 2, 2, 0, /* | |
| 444 | 2593 Return t if PROPERTY has a value specified in PLIST. |
| 428 | 2594 */ |
| 444 | 2595 (plist, property)) |
| 428 | 2596 { |
| 444 | 2597 Lisp_Object value = Fplist_get (plist, property, Qunbound); |
| 2598 return UNBOUNDP (value) ? Qnil : Qt; | |
| 428 | 2599 } |
| 2600 | |
| 2601 DEFUN ("check-valid-plist", Fcheck_valid_plist, 1, 1, 0, /* | |
| 2602 Given a plist, signal an error if there is anything wrong with it. | |
| 2603 This means that it's a malformed or circular plist. | |
| 2604 */ | |
| 2605 (plist)) | |
| 2606 { | |
| 2607 Lisp_Object *tortoise; | |
| 2608 Lisp_Object *hare; | |
| 2609 | |
| 2610 start_over: | |
| 2611 tortoise = &plist; | |
| 2612 hare = &plist; | |
| 2613 while (!NILP (*tortoise)) | |
| 2614 { | |
| 2615 Lisp_Object retval; | |
| 2616 | |
| 2617 /* See above */ | |
| 2618 if (!advance_plist_pointers (&plist, &tortoise, &hare, ERROR_ME, | |
| 2619 &retval)) | |
| 2620 goto start_over; | |
| 2621 } | |
| 2622 | |
| 2623 return Qnil; | |
| 2624 } | |
| 2625 | |
| 2626 DEFUN ("valid-plist-p", Fvalid_plist_p, 1, 1, 0, /* | |
| 2627 Given a plist, return non-nil if its format is correct. | |
| 2628 If it returns nil, `check-valid-plist' will signal an error when given | |
| 442 | 2629 the plist; that means it's a malformed or circular plist. |
| 428 | 2630 */ |
| 2631 (plist)) | |
| 2632 { | |
| 2633 Lisp_Object *tortoise; | |
| 2634 Lisp_Object *hare; | |
| 2635 | |
| 2636 tortoise = &plist; | |
| 2637 hare = &plist; | |
| 2638 while (!NILP (*tortoise)) | |
| 2639 { | |
| 2640 Lisp_Object retval; | |
| 2641 | |
| 2642 /* See above */ | |
| 2643 if (!advance_plist_pointers (&plist, &tortoise, &hare, ERROR_ME_NOT, | |
| 2644 &retval)) | |
| 2645 return Qnil; | |
| 2646 } | |
| 2647 | |
| 2648 return Qt; | |
| 2649 } | |
| 2650 | |
| 2651 DEFUN ("canonicalize-plist", Fcanonicalize_plist, 1, 2, 0, /* | |
| 2652 Destructively remove any duplicate entries from a plist. | |
| 2653 In such cases, the first entry applies. | |
| 2654 | |
| 2655 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2656 a nil value is removed. This feature is a virus that has infected | |
| 2657 old Lisp implementations, but should not be used except for backward | |
| 2658 compatibility. | |
| 2659 | |
| 2660 The new plist is returned. If NIL-MEANS-NOT-PRESENT is given, the | |
| 2661 return value may not be EQ to the passed-in value, so make sure to | |
| 2662 `setq' the value back into where it came from. | |
| 2663 */ | |
| 2664 (plist, nil_means_not_present)) | |
| 2665 { | |
| 2666 Lisp_Object head = plist; | |
| 2667 | |
| 2668 Fcheck_valid_plist (plist); | |
| 2669 | |
| 2670 while (!NILP (plist)) | |
| 2671 { | |
| 2672 Lisp_Object prop = Fcar (plist); | |
| 2673 Lisp_Object next = Fcdr (plist); | |
| 2674 | |
| 2675 CHECK_CONS (next); /* just make doubly sure we catch any errors */ | |
| 2676 if (!NILP (nil_means_not_present) && NILP (Fcar (next))) | |
| 2677 { | |
| 2678 if (EQ (head, plist)) | |
| 2679 head = Fcdr (next); | |
| 2680 plist = Fcdr (next); | |
| 2681 continue; | |
| 2682 } | |
| 2683 /* external_remprop returns 1 if it removed any property. | |
| 2684 We have to loop till it didn't remove anything, in case | |
| 2685 the property occurs many times. */ | |
| 2686 while (external_remprop (&XCDR (next), prop, 0, ERROR_ME)) | |
| 2687 DO_NOTHING; | |
| 2688 plist = Fcdr (next); | |
| 2689 } | |
| 2690 | |
| 2691 return head; | |
| 2692 } | |
| 2693 | |
| 2694 DEFUN ("lax-plist-get", Flax_plist_get, 2, 3, 0, /* | |
| 2695 Extract a value from a lax property list. | |
| 444 | 2696 LAX-PLIST is a lax property list, which is a list of the form |
| 2697 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between | |
| 2698 properties is done using `equal' instead of `eq'. | |
| 2699 PROPERTY is usually a symbol. | |
| 2700 This function returns the value corresponding to PROPERTY, | |
| 2701 or DEFAULT if PROPERTY is not one of the properties on the list. | |
| 428 | 2702 */ |
| 444 | 2703 (lax_plist, property, default_)) |
| 428 | 2704 { |
| 444 | 2705 Lisp_Object value = external_plist_get (&lax_plist, property, 1, ERROR_ME); |
| 2706 return UNBOUNDP (value) ? default_ : value; | |
| 428 | 2707 } |
| 2708 | |
| 2709 DEFUN ("lax-plist-put", Flax_plist_put, 3, 3, 0, /* | |
| 444 | 2710 Change value in LAX-PLIST of PROPERTY to VALUE. |
| 2711 LAX-PLIST is a lax property list, which is a list of the form | |
| 2712 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between | |
| 2713 properties is done using `equal' instead of `eq'. | |
| 2714 PROPERTY is usually a symbol and VALUE is any object. | |
| 2715 If PROPERTY is already a property on the list, its value is set to | |
| 2716 VALUE, otherwise the new PROPERTY VALUE pair is added. | |
| 2717 The new plist is returned; use `(setq x (lax-plist-put x property value))' | |
| 2718 to be sure to use the new value. LAX-PLIST is modified by side effect. | |
| 428 | 2719 */ |
| 444 | 2720 (lax_plist, property, value)) |
| 428 | 2721 { |
| 444 | 2722 external_plist_put (&lax_plist, property, value, 1, ERROR_ME); |
| 428 | 2723 return lax_plist; |
| 2724 } | |
| 2725 | |
| 2726 DEFUN ("lax-plist-remprop", Flax_plist_remprop, 2, 2, 0, /* | |
| 444 | 2727 Remove from LAX-PLIST the property PROPERTY and its value. |
| 2728 LAX-PLIST is a lax property list, which is a list of the form | |
| 2729 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between | |
| 2730 properties is done using `equal' instead of `eq'. | |
| 2731 PROPERTY is usually a symbol. | |
| 2732 The new plist is returned; use `(setq x (lax-plist-remprop x property))' | |
| 2733 to be sure to use the new value. LAX-PLIST is modified by side effect. | |
| 428 | 2734 */ |
| 444 | 2735 (lax_plist, property)) |
| 428 | 2736 { |
| 444 | 2737 external_remprop (&lax_plist, property, 1, ERROR_ME); |
| 428 | 2738 return lax_plist; |
| 2739 } | |
| 2740 | |
| 2741 DEFUN ("lax-plist-member", Flax_plist_member, 2, 2, 0, /* | |
| 444 | 2742 Return t if PROPERTY has a value specified in LAX-PLIST. |
| 2743 LAX-PLIST is a lax property list, which is a list of the form | |
| 2744 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between | |
| 2745 properties is done using `equal' instead of `eq'. | |
| 428 | 2746 */ |
| 444 | 2747 (lax_plist, property)) |
| 428 | 2748 { |
| 444 | 2749 return UNBOUNDP (Flax_plist_get (lax_plist, property, Qunbound)) ? Qnil : Qt; |
| 428 | 2750 } |
| 2751 | |
| 2752 DEFUN ("canonicalize-lax-plist", Fcanonicalize_lax_plist, 1, 2, 0, /* | |
| 2753 Destructively remove any duplicate entries from a lax plist. | |
| 2754 In such cases, the first entry applies. | |
| 2755 | |
| 2756 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with | |
| 2757 a nil value is removed. This feature is a virus that has infected | |
| 2758 old Lisp implementations, but should not be used except for backward | |
| 2759 compatibility. | |
| 2760 | |
| 2761 The new plist is returned. If NIL-MEANS-NOT-PRESENT is given, the | |
| 2762 return value may not be EQ to the passed-in value, so make sure to | |
| 2763 `setq' the value back into where it came from. | |
| 2764 */ | |
| 2765 (lax_plist, nil_means_not_present)) | |
| 2766 { | |
| 2767 Lisp_Object head = lax_plist; | |
| 2768 | |
| 2769 Fcheck_valid_plist (lax_plist); | |
| 2770 | |
| 2771 while (!NILP (lax_plist)) | |
| 2772 { | |
| 2773 Lisp_Object prop = Fcar (lax_plist); | |
| 2774 Lisp_Object next = Fcdr (lax_plist); | |
| 2775 | |
| 2776 CHECK_CONS (next); /* just make doubly sure we catch any errors */ | |
| 2777 if (!NILP (nil_means_not_present) && NILP (Fcar (next))) | |
| 2778 { | |
| 2779 if (EQ (head, lax_plist)) | |
| 2780 head = Fcdr (next); | |
| 2781 lax_plist = Fcdr (next); | |
| 2782 continue; | |
| 2783 } | |
| 2784 /* external_remprop returns 1 if it removed any property. | |
| 2785 We have to loop till it didn't remove anything, in case | |
| 2786 the property occurs many times. */ | |
| 2787 while (external_remprop (&XCDR (next), prop, 1, ERROR_ME)) | |
| 2788 DO_NOTHING; | |
| 2789 lax_plist = Fcdr (next); | |
| 2790 } | |
| 2791 | |
| 2792 return head; | |
| 2793 } | |
| 2794 | |
| 2795 /* In C because the frame props stuff uses it */ | |
| 2796 | |
| 2797 DEFUN ("destructive-alist-to-plist", Fdestructive_alist_to_plist, 1, 1, 0, /* | |
| 2798 Convert association list ALIST into the equivalent property-list form. | |
| 2799 The plist is returned. This converts from | |
| 2800 | |
| 2801 \((a . 1) (b . 2) (c . 3)) | |
| 2802 | |
| 2803 into | |
| 2804 | |
| 2805 \(a 1 b 2 c 3) | |
| 2806 | |
| 2807 The original alist is destroyed in the process of constructing the plist. | |
| 2808 See also `alist-to-plist'. | |
| 2809 */ | |
| 2810 (alist)) | |
| 2811 { | |
| 2812 Lisp_Object head = alist; | |
| 2813 while (!NILP (alist)) | |
| 2814 { | |
| 2815 /* remember the alist element. */ | |
| 2816 Lisp_Object el = Fcar (alist); | |
| 2817 | |
| 2818 Fsetcar (alist, Fcar (el)); | |
| 2819 Fsetcar (el, Fcdr (el)); | |
| 2820 Fsetcdr (el, Fcdr (alist)); | |
| 2821 Fsetcdr (alist, el); | |
| 2822 alist = Fcdr (Fcdr (alist)); | |
| 2823 } | |
| 2824 | |
| 2825 return head; | |
| 2826 } | |
| 2827 | |
| 2828 DEFUN ("get", Fget, 2, 3, 0, /* | |
| 442 | 2829 Return the value of OBJECT's PROPERTY property. |
| 2830 This is the last VALUE stored with `(put OBJECT PROPERTY VALUE)'. | |
| 428 | 2831 If there is no such property, return optional third arg DEFAULT |
| 442 | 2832 \(which defaults to `nil'). OBJECT can be a symbol, string, extent, |
| 2833 face, or glyph. See also `put', `remprop', and `object-plist'. | |
| 428 | 2834 */ |
| 442 | 2835 (object, property, default_)) |
| 428 | 2836 { |
| 2837 /* Various places in emacs call Fget() and expect it not to quit, | |
| 2838 so don't quit. */ | |
| 442 | 2839 Lisp_Object val; |
| 2840 | |
| 2841 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->getprop) | |
| 2842 val = XRECORD_LHEADER_IMPLEMENTATION (object)->getprop (object, property); | |
| 428 | 2843 else |
| 563 | 2844 invalid_operation ("Object type has no properties", object); |
| 442 | 2845 |
| 2846 return UNBOUNDP (val) ? default_ : val; | |
| 428 | 2847 } |
| 2848 | |
| 2849 DEFUN ("put", Fput, 3, 3, 0, /* | |
| 442 | 2850 Set OBJECT's PROPERTY to VALUE. |
| 2851 It can be subsequently retrieved with `(get OBJECT PROPERTY)'. | |
| 2852 OBJECT can be a symbol, face, extent, or string. | |
| 428 | 2853 For a string, no properties currently have predefined meanings. |
| 2854 For the predefined properties for extents, see `set-extent-property'. | |
| 2855 For the predefined properties for faces, see `set-face-property'. | |
| 2856 See also `get', `remprop', and `object-plist'. | |
| 2857 */ | |
| 442 | 2858 (object, property, value)) |
| 428 | 2859 { |
| 1920 | 2860 /* This function cannot GC */ |
| 428 | 2861 CHECK_LISP_WRITEABLE (object); |
| 2862 | |
| 442 | 2863 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->putprop) |
| 428 | 2864 { |
| 442 | 2865 if (! XRECORD_LHEADER_IMPLEMENTATION (object)->putprop |
| 2866 (object, property, value)) | |
| 563 | 2867 invalid_change ("Can't set property on object", property); |
| 428 | 2868 } |
| 2869 else | |
| 563 | 2870 invalid_change ("Object type has no settable properties", object); |
| 428 | 2871 |
| 2872 return value; | |
| 2873 } | |
| 2874 | |
| 2875 DEFUN ("remprop", Fremprop, 2, 2, 0, /* | |
| 442 | 2876 Remove, from OBJECT's property list, PROPERTY and its corresponding value. |
| 2877 OBJECT can be a symbol, string, extent, face, or glyph. Return non-nil | |
| 2878 if the property list was actually modified (i.e. if PROPERTY was present | |
| 2879 in the property list). See also `get', `put', and `object-plist'. | |
| 428 | 2880 */ |
| 442 | 2881 (object, property)) |
| 428 | 2882 { |
| 442 | 2883 int ret = 0; |
| 2884 | |
| 428 | 2885 CHECK_LISP_WRITEABLE (object); |
| 2886 | |
| 442 | 2887 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->remprop) |
| 428 | 2888 { |
| 442 | 2889 ret = XRECORD_LHEADER_IMPLEMENTATION (object)->remprop (object, property); |
| 2890 if (ret == -1) | |
| 563 | 2891 invalid_change ("Can't remove property from object", property); |
| 428 | 2892 } |
| 2893 else | |
| 563 | 2894 invalid_change ("Object type has no removable properties", object); |
| 442 | 2895 |
| 2896 return ret ? Qt : Qnil; | |
| 428 | 2897 } |
| 2898 | |
| 2899 DEFUN ("object-plist", Fobject_plist, 1, 1, 0, /* | |
| 442 | 2900 Return a property list of OBJECT's properties. |
| 2901 For a symbol, this is equivalent to `symbol-plist'. | |
| 2902 OBJECT can be a symbol, string, extent, face, or glyph. | |
| 2903 Do not modify the returned property list directly; | |
| 2904 this may or may not have the desired effects. Use `put' instead. | |
| 428 | 2905 */ |
| 2906 (object)) | |
| 2907 { | |
| 442 | 2908 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->plist) |
| 2909 return XRECORD_LHEADER_IMPLEMENTATION (object)->plist (object); | |
| 428 | 2910 else |
| 563 | 2911 invalid_operation ("Object type has no properties", object); |
| 428 | 2912 |
| 2913 return Qnil; | |
| 2914 } | |
| 2915 | |
| 2916 | |
| 853 | 2917 static Lisp_Object |
| 2918 tweaked_internal_equal (Lisp_Object obj1, Lisp_Object obj2, | |
| 2919 Lisp_Object depth) | |
| 2920 { | |
| 2921 return make_int (internal_equal (obj1, obj2, XINT (depth))); | |
| 2922 } | |
| 2923 | |
| 2924 int | |
| 2925 internal_equal_trapping_problems (Lisp_Object warning_class, | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
2926 const Ascbyte *warning_string, |
| 853 | 2927 int flags, |
| 2928 struct call_trapping_problems_result *p, | |
| 2929 int retval, | |
| 2930 Lisp_Object obj1, Lisp_Object obj2, | |
| 2931 int depth) | |
| 2932 { | |
| 2933 Lisp_Object glorp = | |
| 2934 va_call_trapping_problems (warning_class, warning_string, | |
| 2935 flags, p, | |
| 2936 (lisp_fn_t) tweaked_internal_equal, | |
| 2937 3, obj1, obj2, make_int (depth)); | |
| 2938 if (UNBOUNDP (glorp)) | |
| 2939 return retval; | |
| 2940 else | |
| 2941 return XINT (glorp); | |
| 2942 } | |
| 2943 | |
| 428 | 2944 int |
| 2945 internal_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 2946 { | |
| 2947 if (depth > 200) | |
| 563 | 2948 stack_overflow ("Stack overflow in equal", Qunbound); |
| 428 | 2949 QUIT; |
| 2950 if (EQ_WITH_EBOLA_NOTICE (obj1, obj2)) | |
| 2951 return 1; | |
| 2952 /* Note that (equal 20 20.0) should be nil */ | |
| 2953 if (XTYPE (obj1) != XTYPE (obj2)) | |
| 2954 return 0; | |
| 2955 if (LRECORDP (obj1)) | |
| 2956 { | |
| 442 | 2957 const struct lrecord_implementation |
| 428 | 2958 *imp1 = XRECORD_LHEADER_IMPLEMENTATION (obj1), |
| 2959 *imp2 = XRECORD_LHEADER_IMPLEMENTATION (obj2); | |
| 2960 | |
| 2961 return (imp1 == imp2) && | |
| 2962 /* EQ-ness of the objects was noticed above */ | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2963 (imp1->equal && (imp1->equal) (obj1, obj2, depth, 0)); |
| 428 | 2964 } |
| 2965 | |
| 2966 return 0; | |
| 2967 } | |
| 2968 | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2969 enum array_type |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2970 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2971 ARRAY_NONE = 0, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2972 ARRAY_STRING, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2973 ARRAY_VECTOR, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2974 ARRAY_BIT_VECTOR |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2975 }; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2976 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2977 static enum array_type |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2978 array_type (Lisp_Object obj) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2979 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2980 if (STRINGP (obj)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2981 return ARRAY_STRING; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2982 if (VECTORP (obj)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2983 return ARRAY_VECTOR; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2984 if (BIT_VECTORP (obj)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2985 return ARRAY_BIT_VECTOR; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2986 return ARRAY_NONE; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2987 } |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2988 |
| 801 | 2989 int |
| 2990 internal_equalp (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 2991 { | |
| 2992 if (depth > 200) | |
| 2993 stack_overflow ("Stack overflow in equalp", Qunbound); | |
| 2994 QUIT; | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2995 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2996 /* 1. Objects that are `eq' are equal. This will catch the common case |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
2997 of two equal fixnums or the same object seen twice. */ |
| 801 | 2998 if (EQ_WITH_EBOLA_NOTICE (obj1, obj2)) |
| 2999 return 1; | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3000 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3001 /* 2. If both numbers, compare with `='. */ |
| 1983 | 3002 if (NUMBERP (obj1) && NUMBERP (obj2)) |
| 3003 { | |
|
4910
6bc1f3f6cf0d
Make canoncase visible to Lisp; use it with chars in internal_equalp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4906
diff
changeset
|
3004 return (0 == bytecode_arithcompare (obj1, obj2)); |
| 1983 | 3005 } |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3006 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3007 /* 3. If characters, compare case-insensitively. */ |
| 801 | 3008 if (CHARP (obj1) && CHARP (obj2)) |
|
4910
6bc1f3f6cf0d
Make canoncase visible to Lisp; use it with chars in internal_equalp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4906
diff
changeset
|
3009 return CANONCASE (0, XCHAR (obj1)) == CANONCASE (0, XCHAR (obj2)); |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3010 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3011 /* 4. If arrays of different types, compare their lengths, and |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3012 then compare element-by-element. */ |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3013 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3014 enum array_type artype1, artype2; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3015 artype1 = array_type (obj1); |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3016 artype2 = array_type (obj2); |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3017 if (artype1 != artype2 && artype1 && artype2) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3018 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3019 EMACS_INT i; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3020 EMACS_INT l1 = XINT (Flength (obj1)); |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3021 EMACS_INT l2 = XINT (Flength (obj2)); |
|
4910
6bc1f3f6cf0d
Make canoncase visible to Lisp; use it with chars in internal_equalp.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4906
diff
changeset
|
3022 /* Both arrays, but of different lengths */ |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3023 if (l1 != l2) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3024 return 0; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3025 for (i = 0; i < l1; i++) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3026 if (!internal_equalp (Faref (obj1, make_int (i)), |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3027 Faref (obj2, make_int (i)), depth + 1)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3028 return 0; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3029 return 1; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3030 } |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3031 } |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3032 /* 5. Else, they must be the same type. If so, call the equal() method, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3033 telling it to fold case. For objects that care about case-folding |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3034 their contents, the equal() method will call internal_equal_0(). */ |
| 801 | 3035 if (XTYPE (obj1) != XTYPE (obj2)) |
| 3036 return 0; | |
| 3037 if (LRECORDP (obj1)) | |
| 3038 { | |
| 3039 const struct lrecord_implementation | |
| 3040 *imp1 = XRECORD_LHEADER_IMPLEMENTATION (obj1), | |
| 3041 *imp2 = XRECORD_LHEADER_IMPLEMENTATION (obj2); | |
| 3042 | |
| 3043 return (imp1 == imp2) && | |
| 3044 /* EQ-ness of the objects was noticed above */ | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3045 (imp1->equal && (imp1->equal) (obj1, obj2, depth, 1)); |
| 801 | 3046 } |
| 3047 | |
| 3048 return 0; | |
| 3049 } | |
| 3050 | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3051 int |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3052 internal_equal_0 (Lisp_Object obj1, Lisp_Object obj2, int depth, int foldcase) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3053 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3054 if (foldcase) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3055 return internal_equalp (obj1, obj2, depth); |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3056 else |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3057 return internal_equal (obj1, obj2, depth); |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3058 } |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3059 |
| 428 | 3060 /* Note that we may be calling sub-objects that will use |
| 3061 internal_equal() (instead of internal_old_equal()). Oh well. | |
| 3062 We will get an Ebola note if there's any possibility of confusion, | |
| 3063 but that seems unlikely. */ | |
| 3064 | |
| 3065 static int | |
| 3066 internal_old_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 3067 { | |
| 3068 if (depth > 200) | |
| 563 | 3069 stack_overflow ("Stack overflow in equal", Qunbound); |
| 428 | 3070 QUIT; |
| 3071 if (HACKEQ_UNSAFE (obj1, obj2)) | |
| 3072 return 1; | |
| 3073 /* Note that (equal 20 20.0) should be nil */ | |
| 3074 if (XTYPE (obj1) != XTYPE (obj2)) | |
| 3075 return 0; | |
| 3076 | |
| 3077 return internal_equal (obj1, obj2, depth); | |
| 3078 } | |
| 3079 | |
| 3080 DEFUN ("equal", Fequal, 2, 2, 0, /* | |
| 3081 Return t if two Lisp objects have similar structure and contents. | |
| 3082 They must have the same data type. | |
| 3083 Conses are compared by comparing the cars and the cdrs. | |
| 3084 Vectors and strings are compared element by element. | |
| 3085 Numbers are compared by value. Symbols must match exactly. | |
| 3086 */ | |
| 444 | 3087 (object1, object2)) |
| 428 | 3088 { |
| 444 | 3089 return internal_equal (object1, object2, 0) ? Qt : Qnil; |
| 428 | 3090 } |
| 3091 | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3092 DEFUN ("equalp", Fequalp, 2, 2, 0, /* |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3093 Return t if two Lisp objects have similar structure and contents. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3094 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3095 This is like `equal', except that it accepts numerically equal |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3096 numbers of different types (float, integer, bignum, bigfloat), and also |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3097 compares strings and characters case-insensitively. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3098 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3099 Type objects that are arrays (that is, strings, bit-vectors, and vectors) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3100 of the same length and with contents that are `equalp' are themselves |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3101 `equalp', regardless of whether the two objects have the same type. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3102 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3103 Other objects whose primary purpose is as containers of other objects are |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3104 `equalp' if they would otherwise be equal (same length, type, etc.) and |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3105 their contents are `equalp'. This goes for conses, weak lists, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3106 weak boxes, ephemerons, specifiers, hash tables, char tables and range |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3107 tables. However, objects that happen to contain other objects but are not |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3108 primarily designed for this purpose (e.g. compiled functions, events or |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3109 display-related objects such as glyphs, faces or extents) are currently |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3110 compared using `equalp' the same way as using `equal'. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3111 |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3112 More specifically, two hash tables are `equalp' if they have the same test |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3113 (see `hash-table-test'), the same number of entries, and the same value for |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3114 `hash-table-weakness', and if, for each entry in one hash table, its key is |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3115 equivalent to a key in the other hash table using the hash table test, and |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3116 its value is `equalp' to the other hash table's value for that key. |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3117 */ |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3118 (object1, object2)) |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3119 { |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3120 return internal_equalp (object1, object2, 0) ? Qt : Qnil; |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3121 } |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3122 |
| 428 | 3123 DEFUN ("old-equal", Fold_equal, 2, 2, 0, /* |
| 3124 Return t if two Lisp objects have similar structure and contents. | |
| 3125 They must have the same data type. | |
| 3126 \(Note, however, that an exception is made for characters and integers; | |
| 3127 this is known as the "char-int confoundance disease." See `eq' and | |
| 3128 `old-eq'.) | |
| 3129 This function is provided only for byte-code compatibility with v19. | |
| 3130 Do not use it. | |
| 3131 */ | |
| 444 | 3132 (object1, object2)) |
| 428 | 3133 { |
| 444 | 3134 return internal_old_equal (object1, object2, 0) ? Qt : Qnil; |
| 428 | 3135 } |
| 3136 | |
| 3137 | |
| 3138 DEFUN ("fillarray", Ffillarray, 2, 2, 0, /* | |
| 434 | 3139 Destructively modify ARRAY by replacing each element with ITEM. |
| 428 | 3140 ARRAY is a vector, bit vector, or string. |
| 3141 */ | |
| 3142 (array, item)) | |
| 3143 { | |
| 3144 retry: | |
| 3145 if (STRINGP (array)) | |
| 3146 { | |
| 793 | 3147 Bytecount old_bytecount = XSTRING_LENGTH (array); |
| 434 | 3148 Bytecount new_bytecount; |
| 3149 Bytecount item_bytecount; | |
| 867 | 3150 Ibyte item_buf[MAX_ICHAR_LEN]; |
| 3151 Ibyte *p; | |
| 3152 Ibyte *end; | |
| 434 | 3153 |
| 428 | 3154 CHECK_CHAR_COERCE_INT (item); |
| 2720 | 3155 |
| 428 | 3156 CHECK_LISP_WRITEABLE (array); |
| 771 | 3157 sledgehammer_check_ascii_begin (array); |
| 867 | 3158 item_bytecount = set_itext_ichar (item_buf, XCHAR (item)); |
| 826 | 3159 new_bytecount = item_bytecount * (Bytecount) string_char_length (array); |
| 793 | 3160 |
| 3161 resize_string (array, -1, new_bytecount - old_bytecount); | |
| 3162 | |
| 3163 for (p = XSTRING_DATA (array), end = p + new_bytecount; | |
| 434 | 3164 p < end; |
| 3165 p += item_bytecount) | |
| 3166 memcpy (p, item_buf, item_bytecount); | |
| 3167 *p = '\0'; | |
| 3168 | |
| 793 | 3169 XSET_STRING_ASCII_BEGIN (array, |
| 3170 item_bytecount == 1 ? | |
| 3171 min (new_bytecount, MAX_STRING_ASCII_BEGIN) : | |
| 3172 0); | |
| 428 | 3173 bump_string_modiff (array); |
| 771 | 3174 sledgehammer_check_ascii_begin (array); |
| 428 | 3175 } |
| 3176 else if (VECTORP (array)) | |
| 3177 { | |
| 3178 Lisp_Object *p = XVECTOR_DATA (array); | |
| 665 | 3179 Elemcount len = XVECTOR_LENGTH (array); |
| 428 | 3180 CHECK_LISP_WRITEABLE (array); |
| 3181 while (len--) | |
| 3182 *p++ = item; | |
| 3183 } | |
| 3184 else if (BIT_VECTORP (array)) | |
| 3185 { | |
| 440 | 3186 Lisp_Bit_Vector *v = XBIT_VECTOR (array); |
| 665 | 3187 Elemcount len = bit_vector_length (v); |
| 428 | 3188 int bit; |
| 3189 CHECK_BIT (item); | |
| 444 | 3190 bit = XINT (item); |
| 428 | 3191 CHECK_LISP_WRITEABLE (array); |
| 3192 while (len--) | |
| 3193 set_bit_vector_bit (v, len, bit); | |
| 3194 } | |
| 3195 else | |
| 3196 { | |
| 3197 array = wrong_type_argument (Qarrayp, array); | |
| 3198 goto retry; | |
| 3199 } | |
| 3200 return array; | |
| 3201 } | |
| 3202 | |
| 3203 Lisp_Object | |
| 3204 nconc2 (Lisp_Object arg1, Lisp_Object arg2) | |
| 3205 { | |
| 3206 Lisp_Object args[2]; | |
| 3207 struct gcpro gcpro1; | |
| 3208 args[0] = arg1; | |
| 3209 args[1] = arg2; | |
| 3210 | |
| 3211 GCPRO1 (args[0]); | |
| 3212 gcpro1.nvars = 2; | |
| 3213 | |
| 3214 RETURN_UNGCPRO (bytecode_nconc2 (args)); | |
| 3215 } | |
| 3216 | |
| 3217 Lisp_Object | |
| 3218 bytecode_nconc2 (Lisp_Object *args) | |
| 3219 { | |
| 3220 retry: | |
| 3221 | |
| 3222 if (CONSP (args[0])) | |
| 3223 { | |
| 3224 /* (setcdr (last args[0]) args[1]) */ | |
| 3225 Lisp_Object tortoise, hare; | |
| 665 | 3226 Elemcount count; |
| 428 | 3227 |
| 3228 for (hare = tortoise = args[0], count = 0; | |
| 3229 CONSP (XCDR (hare)); | |
| 3230 hare = XCDR (hare), count++) | |
| 3231 { | |
| 3232 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue; | |
| 3233 | |
| 3234 if (count & 1) | |
| 3235 tortoise = XCDR (tortoise); | |
| 3236 if (EQ (hare, tortoise)) | |
| 3237 signal_circular_list_error (args[0]); | |
| 3238 } | |
| 3239 XCDR (hare) = args[1]; | |
| 3240 return args[0]; | |
| 3241 } | |
| 3242 else if (NILP (args[0])) | |
| 3243 { | |
| 3244 return args[1]; | |
| 3245 } | |
| 3246 else | |
| 3247 { | |
| 3248 args[0] = wrong_type_argument (args[0], Qlistp); | |
| 3249 goto retry; | |
| 3250 } | |
| 3251 } | |
| 3252 | |
| 3253 DEFUN ("nconc", Fnconc, 0, MANY, 0, /* | |
| 3254 Concatenate any number of lists by altering them. | |
| 3255 Only the last argument is not altered, and need not be a list. | |
| 3256 Also see: `append'. | |
| 3257 If the first argument is nil, there is no way to modify it by side | |
| 3258 effect; therefore, write `(setq foo (nconc foo list))' to be sure of | |
| 3259 changing the value of `foo'. | |
|
4693
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
3260 |
|
80cd90837ac5
Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents:
3842
diff
changeset
|
3261 arguments: (&rest ARGS) |
| 428 | 3262 */ |
| 3263 (int nargs, Lisp_Object *args)) | |
| 3264 { | |
| 3265 int argnum = 0; | |
| 3266 struct gcpro gcpro1; | |
| 3267 | |
| 3268 /* The modus operandi in Emacs is "caller gc-protects args". | |
| 3269 However, nconc (particularly nconc2 ()) is called many times | |
| 3270 in Emacs on freshly created stuff (e.g. you see the idiom | |
| 3271 nconc2 (Fcopy_sequence (foo), bar) a lot). So we help those | |
| 3272 callers out by protecting the args ourselves to save them | |
| 3273 a lot of temporary-variable grief. */ | |
| 3274 | |
| 3275 GCPRO1 (args[0]); | |
| 3276 gcpro1.nvars = nargs; | |
| 3277 | |
| 3278 while (argnum < nargs) | |
| 3279 { | |
| 3280 Lisp_Object val; | |
| 3281 retry: | |
| 3282 val = args[argnum]; | |
| 3283 if (CONSP (val)) | |
| 3284 { | |
| 3285 /* `val' is the first cons, which will be our return value. */ | |
| 3286 /* `last_cons' will be the cons cell to mutate. */ | |
| 3287 Lisp_Object last_cons = val; | |
| 3288 Lisp_Object tortoise = val; | |
| 3289 | |
| 3290 for (argnum++; argnum < nargs; argnum++) | |
| 3291 { | |
| 3292 Lisp_Object next = args[argnum]; | |
| 3293 retry_next: | |
| 3294 if (CONSP (next) || argnum == nargs -1) | |
| 3295 { | |
| 3296 /* (setcdr (last val) next) */ | |
| 665 | 3297 Elemcount count; |
| 428 | 3298 |
| 3299 for (count = 0; | |
| 3300 CONSP (XCDR (last_cons)); | |
| 3301 last_cons = XCDR (last_cons), count++) | |
| 3302 { | |
| 3303 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue; | |
| 3304 | |
| 3305 if (count & 1) | |
| 3306 tortoise = XCDR (tortoise); | |
| 3307 if (EQ (last_cons, tortoise)) | |
| 3308 signal_circular_list_error (args[argnum-1]); | |
| 3309 } | |
| 3310 XCDR (last_cons) = next; | |
| 3311 } | |
| 3312 else if (NILP (next)) | |
| 3313 { | |
| 3314 continue; | |
| 3315 } | |
| 3316 else | |
| 3317 { | |
| 3318 next = wrong_type_argument (Qlistp, next); | |
| 3319 goto retry_next; | |
| 3320 } | |
| 3321 } | |
| 3322 RETURN_UNGCPRO (val); | |
| 3323 } | |
| 3324 else if (NILP (val)) | |
| 3325 argnum++; | |
| 3326 else if (argnum == nargs - 1) /* last arg? */ | |
| 3327 RETURN_UNGCPRO (val); | |
| 3328 else | |
| 3329 { | |
| 3330 args[argnum] = wrong_type_argument (Qlistp, val); | |
| 3331 goto retry; | |
| 3332 } | |
| 3333 } | |
| 3334 RETURN_UNGCPRO (Qnil); /* No non-nil args provided. */ | |
| 3335 } | |
| 3336 | |
| 3337 | |
| 434 | 3338 /* This is the guts of several mapping functions. |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3339 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3340 Call FUNCTION CALL_COUNT times, with NSEQUENCES arguments each time, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3341 taking the elements from SEQUENCES. If VALS is non-NULL, store the |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3342 results into VALS, a C array of Lisp_Objects; else, if LISP_VALS is |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3343 non-nil, store the results into LISP_VALS, a sequence with sufficient |
|
5034
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3344 room for CALL_COUNT results (but see the documentation of SOME_OR_EVERY.) |
|
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3345 Else, do not accumulate any result. |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3346 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3347 If VALS is non-NULL, NSEQUENCES is one, and SEQUENCES[0] is a cons, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3348 mapcarX will store the elements of SEQUENCES[0] in stack and GCPRO them, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3349 so FUNCTION cannot insert a non-cons into SEQUENCES[0] and throw off |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3350 mapcarX. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3351 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3352 Otherwise, mapcarX signals a wrong-type-error if it encounters a |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3353 non-cons, non-array when traversing SEQUENCES. Common Lisp specifies in |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3354 MAPPING-DESTRUCTIVE-INTERACTION that it is an error when FUNCTION |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3355 destructively modifies SEQUENCES in a way that might affect the ongoing |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3356 traversal operation. |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3357 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3358 If SOME_OR_EVERY is SOME_OR_EVERY_SOME, return the (possibly multiple) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3359 values given by FUNCTION the first time it is non-nil, and abandon the |
|
5034
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3360 iterations. LISP_VALS must be a cons, and the return value will be |
|
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3361 stored in its car. If SOME_OR_EVERY is SOME_OR_EVERY_EVERY, store Qnil |
|
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3362 in the car of LISP_VALS if FUNCTION gives nil; otherwise leave it |
|
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3363 alone. */ |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3364 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3365 #define SOME_OR_EVERY_NEITHER 0 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3366 #define SOME_OR_EVERY_SOME 1 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3367 #define SOME_OR_EVERY_EVERY 2 |
| 428 | 3368 |
| 3369 static void | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3370 mapcarX (Elemcount call_count, Lisp_Object *vals, Lisp_Object lisp_vals, |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3371 Lisp_Object function, int nsequences, Lisp_Object *sequences, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3372 int some_or_every) |
| 428 | 3373 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3374 Lisp_Object called, *args; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3375 struct gcpro gcpro1, gcpro2; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3376 int i, j; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3377 enum lrecord_type lisp_vals_type; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3378 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3379 assert (LRECORDP (lisp_vals)); |
| 4999 | 3380 lisp_vals_type = (enum lrecord_type) XRECORD_LHEADER (lisp_vals)->type; |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3381 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3382 args = alloca_array (Lisp_Object, nsequences + 1); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3383 args[0] = function; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3384 for (i = 1; i <= nsequences; ++i) |
| 428 | 3385 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3386 args[i] = Qnil; |
| 428 | 3387 } |
| 3388 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3389 if (vals != NULL) |
| 428 | 3390 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3391 GCPRO2 (args[0], vals[0]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3392 gcpro1.nvars = nsequences + 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3393 gcpro2.nvars = 0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3394 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3395 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3396 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3397 GCPRO1 (args[0]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3398 gcpro1.nvars = nsequences + 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3399 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3400 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3401 /* Be extra nice in the event that we've been handed one list and one |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3402 only; make it possible for FUNCTION to set cdrs not yet processed to |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3403 non-cons, non-nil objects without ill-effect, if we have been handed |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3404 the stack space to do that. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3405 if (vals != NULL && 1 == nsequences && CONSP (sequences[0])) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3406 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3407 Lisp_Object lst = sequences[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3408 Lisp_Object *val = vals; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3409 for (i = 0; i < call_count; ++i) |
| 434 | 3410 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3411 *val++ = XCAR (lst); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3412 lst = XCDR (lst); |
| 428 | 3413 } |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3414 gcpro2.nvars = call_count; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3415 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3416 for (i = 0; i < call_count; ++i) |
| 428 | 3417 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3418 args[1] = vals[i]; |
|
5034
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3419 vals[i] = IGNORE_MULTIPLE_VALUES (Ffuncall (nsequences + 1, args)); |
| 428 | 3420 } |
| 3421 } | |
| 3422 else | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3423 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3424 Binbyte *sequence_types = alloca_array (Binbyte, nsequences); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3425 for (j = 0; j < nsequences; ++j) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3426 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3427 sequence_types[j] = XRECORD_LHEADER (sequences[j])->type; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3428 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3429 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3430 for (i = 0; i < call_count; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3431 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3432 for (j = 0; j < nsequences; ++j) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3433 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3434 switch (sequence_types[j]) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3435 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3436 case lrecord_type_cons: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3437 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3438 if (!CONSP (sequences[j])) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3439 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3440 /* This means FUNCTION has probably messed |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3441 around with a cons in one of the sequences, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3442 since we checked the type |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3443 (CHECK_SEQUENCE()) and the length and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3444 structure (with Flength()) correctly in our |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3445 callers. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3446 dead_wrong_type_argument (Qconsp, sequences[j]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3447 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3448 args[j + 1] = XCAR (sequences[j]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3449 sequences[j] = XCDR (sequences[j]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3450 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3451 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3452 case lrecord_type_vector: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3453 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3454 args[j + 1] = XVECTOR_DATA (sequences[j])[i]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3455 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3456 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3457 case lrecord_type_string: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3458 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3459 args[j + 1] = make_char (string_ichar (sequences[j], i)); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3460 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3461 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3462 case lrecord_type_bit_vector: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3463 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3464 args[j + 1] |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3465 = make_int (bit_vector_bit (XBIT_VECTOR (sequences[j]), |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3466 i)); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3467 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3468 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3469 default: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3470 ABORT(); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3471 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3472 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3473 called = Ffuncall (nsequences + 1, args); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3474 if (vals != NULL) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3475 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3476 vals[i] = IGNORE_MULTIPLE_VALUES (called); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3477 gcpro2.nvars += 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3478 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3479 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3480 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3481 switch (lisp_vals_type) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3482 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3483 case lrecord_type_symbol: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3484 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3485 case lrecord_type_cons: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3486 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3487 if (SOME_OR_EVERY_NEITHER == some_or_every) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3488 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3489 called = IGNORE_MULTIPLE_VALUES (called); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3490 if (!CONSP (lisp_vals)) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3491 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3492 /* If FUNCTION has inserted a non-cons non-nil |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3493 cdr into the list before we've processed the |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3494 relevant part, error. */ |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3495 dead_wrong_type_argument (Qconsp, lisp_vals); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3496 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3497 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3498 XSETCAR (lisp_vals, called); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3499 lisp_vals = XCDR (lisp_vals); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3500 break; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3501 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3502 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3503 if (SOME_OR_EVERY_SOME == some_or_every) |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3504 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3505 if (!NILP (IGNORE_MULTIPLE_VALUES (called))) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3506 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3507 XCAR (lisp_vals) = called; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3508 UNGCPRO; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3509 return; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3510 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3511 break; |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3512 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3513 |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3514 if (SOME_OR_EVERY_EVERY == some_or_every) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3515 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3516 called = IGNORE_MULTIPLE_VALUES (called); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3517 if (NILP (called)) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3518 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3519 XCAR (lisp_vals) = Qnil; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3520 UNGCPRO; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3521 return; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3522 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3523 break; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3524 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3525 |
|
5034
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3526 goto bad_some_or_every_flag; |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3527 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3528 case lrecord_type_vector: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3529 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3530 called = IGNORE_MULTIPLE_VALUES (called); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3531 i < XVECTOR_LENGTH (lisp_vals) ? |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3532 (XVECTOR_DATA (lisp_vals)[i] = called) : |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3533 /* Let #'aset error. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3534 Faset (lisp_vals, make_int (i), called); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3535 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3536 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3537 case lrecord_type_string: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3538 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3539 /* If this ever becomes a code hotspot, we can keep |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3540 around pointers into the data of the string, checking |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3541 each time that it hasn't been relocated. */ |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3542 called = IGNORE_MULTIPLE_VALUES (called); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3543 Faset (lisp_vals, make_int (i), called); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3544 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3545 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3546 case lrecord_type_bit_vector: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3547 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3548 called = IGNORE_MULTIPLE_VALUES (called); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3549 (BITP (called) && |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3550 i < bit_vector_length (XBIT_VECTOR (lisp_vals))) ? |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3551 set_bit_vector_bit (XBIT_VECTOR (lisp_vals), i, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3552 XINT (called)) : |
|
5002
0cd784a6ec44
fix some compile bugs of Aidan's
Ben Wing <ben@xemacs.org>
parents:
5001
diff
changeset
|
3553 (void) Faset (lisp_vals, make_int (i), called); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3554 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3555 } |
|
5034
1b96882bdf37
Fix a multiple-value bug, mapcarX; correct a comment and a label name.
Aidan Kehoe <kehoea@parhasard.net>
parents:
5002
diff
changeset
|
3556 bad_some_or_every_flag: |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3557 default: |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3558 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3559 ABORT(); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3560 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3561 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3562 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3563 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3564 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3565 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3566 UNGCPRO; |
| 428 | 3567 } |
| 3568 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3569 DEFUN ("mapconcat", Fmapconcat, 3, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3570 Call FUNCTION on each element of SEQUENCE, and concat results to a string. |
| 751 | 3571 Between each pair of results, insert SEPARATOR. |
| 3572 | |
| 3573 Each result, and SEPARATOR, should be strings. Thus, using " " as SEPARATOR | |
| 3574 results in spaces between the values returned by FUNCTION. SEQUENCE itself | |
| 3575 may be a list, a vector, a bit vector, or a string. | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3576 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3577 With optional SEQUENCES, call FUNCTION each time with as many arguments as |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3578 there are SEQUENCES, plus one for the element from SEQUENCE. One element |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3579 from each sequence will be used each time FUNCTION is called, and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3580 `mapconcat' will give up once the shortest sequence is exhausted. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3581 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3582 arguments: (FUNCTION SEQUENCE SEPARATOR &rest SEQUENCES) |
| 428 | 3583 */ |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3584 (int nargs, Lisp_Object *args)) |
| 428 | 3585 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3586 Lisp_Object function = args[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3587 Lisp_Object sequence = args[1]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3588 Lisp_Object separator = args[2]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3589 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3590 Lisp_Object *args0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3591 EMACS_INT i, nargs0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3592 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3593 args[2] = sequence; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3594 args[1] = separator; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3595 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3596 for (i = 2; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3597 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3598 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3599 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3600 } |
| 428 | 3601 |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
3602 if (len == 0) return build_ascstring (""); |
| 428 | 3603 |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3604 nargs0 = len + len - 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3605 args0 = alloca_array (Lisp_Object, nargs0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3606 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3607 /* Special-case this, it's very common and doesn't require any |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3608 funcalls. Upside of doing it here, instead of cl-macs.el: no consing, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3609 apart from the final string, we allocate everything on the stack. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3610 if (EQ (function, Qidentity) && 3 == nargs && CONSP (sequence)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3611 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3612 for (i = 0; i < len; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3613 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3614 args0[i] = XCAR (sequence); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3615 sequence = XCDR (sequence); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3616 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3617 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3618 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3619 { |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3620 mapcarX (len, args0, Qnil, function, nargs - 2, args + 2, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3621 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3622 } |
| 428 | 3623 |
| 3624 for (i = len - 1; i >= 0; i--) | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3625 args0[i + i] = args0[i]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3626 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3627 for (i = 1; i < nargs0; i += 2) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3628 args0[i] = separator; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3629 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3630 return Fconcat (nargs0, args0); |
| 428 | 3631 } |
| 3632 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3633 DEFUN ("mapcar*", FmapcarX, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3634 Call FUNCTION on each element of SEQUENCE; return a list of the results. |
| 434 | 3635 The result is a list of the same length as SEQUENCE. |
| 428 | 3636 SEQUENCE may be a list, a vector, a bit vector, or a string. |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3637 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3638 With optional SEQUENCES, call FUNCTION each time with as many arguments as |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3639 there are SEQUENCES, plus one for the element from SEQUENCE. One element |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3640 from each sequence will be used each time FUNCTION is called, and `mapcar' |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3641 stops calling FUNCTION once the shortest sequence is exhausted. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3642 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3643 arguments: (FUNCTION SEQUENCE &rest SEQUENCES) |
| 428 | 3644 */ |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3645 (int nargs, Lisp_Object *args)) |
| 428 | 3646 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3647 Lisp_Object function = args[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3648 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3649 Lisp_Object *args0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3650 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3651 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3652 for (i = 1; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3653 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3654 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3655 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3656 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3657 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3658 args0 = alloca_array (Lisp_Object, len); |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3659 mapcarX (len, args0, Qnil, function, nargs - 1, args + 1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3660 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3661 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3662 return Flist ((int) len, args0); |
| 428 | 3663 } |
| 3664 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3665 DEFUN ("mapvector", Fmapvector, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3666 Call FUNCTION on each element of SEQUENCE; return a vector of the results. |
| 428 | 3667 The result is a vector of the same length as SEQUENCE. |
| 434 | 3668 SEQUENCE may be a list, a vector, a bit vector, or a string. |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3669 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3670 With optional SEQUENCES, call FUNCTION each time with as many arguments as |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3671 there are SEQUENCES, plus one for the element from SEQUENCE. One element |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3672 from each sequence will be used each time FUNCTION is called, and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3673 `mapvector' stops calling FUNCTION once the shortest sequence is exhausted. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3674 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3675 arguments: (FUNCTION SEQUENCE &rest SEQUENCES) |
| 428 | 3676 */ |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3677 (int nargs, Lisp_Object *args)) |
| 428 | 3678 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3679 Lisp_Object function = args[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3680 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3681 Lisp_Object result; |
| 428 | 3682 struct gcpro gcpro1; |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3683 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3684 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3685 for (i = 1; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3686 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3687 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3688 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3689 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3690 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3691 result = make_vector (len, Qnil); |
| 428 | 3692 GCPRO1 (result); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3693 /* Don't pass result as the lisp_object argument, we want mapcarX to protect |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3694 a single list argument's elements from being garbage-collected. */ |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3695 mapcarX (len, XVECTOR_DATA (result), Qnil, function, nargs - 1, args +1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3696 SOME_OR_EVERY_NEITHER); |
| 428 | 3697 UNGCPRO; |
| 3698 | |
| 3699 return result; | |
| 3700 } | |
| 3701 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3702 DEFUN ("mapcan", Fmapcan, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3703 Call FUNCTION on each element of SEQUENCE; chain the results together. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3704 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3705 FUNCTION must normally return a list; the results will be concatenated |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3706 together using `nconc'. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3707 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3708 With optional SEQUENCES, call FUNCTION each time with as many arguments as |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3709 there are SEQUENCES, plus one for the element from SEQUENCE. One element |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3710 from each sequence will be used each time FUNCTION is called, and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3711 `mapcan' stops calling FUNCTION once the shortest sequence is exhausted. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3712 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3713 arguments: (FUNCTION SEQUENCE &rest SEQUENCES) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3714 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3715 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3716 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3717 Lisp_Object function = args[0], nconcing; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3718 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3719 Lisp_Object *args0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3720 struct gcpro gcpro1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3721 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3722 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3723 for (i = 1; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3724 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3725 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3726 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3727 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3728 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3729 args0 = alloca_array (Lisp_Object, len + 1); |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3730 mapcarX (len, args0 + 1, Qnil, function, nargs - 1, args + 1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3731 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3732 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3733 if (len < 2) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3734 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3735 return len ? args0[1] : Qnil; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3736 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3737 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3738 /* bytecode_nconc2 can signal and return, we need to GCPRO the args, since |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3739 mapcarX is no longer doing this for us. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3740 args0[0] = Fcons (Qnil, Qnil); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3741 GCPRO1 (args0[0]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3742 gcpro1.nvars = len + 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3743 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3744 for (i = 0; i < len; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3745 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3746 nconcing = bytecode_nconc2 (args0 + i); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3747 args0[i + 1] = nconcing; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3748 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3749 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3750 RETURN_UNGCPRO (XCDR (nconcing)); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3751 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3752 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3753 DEFUN ("mapc", Fmapc, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3754 Call FUNCTION on each element of SEQUENCE. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3755 |
| 428 | 3756 SEQUENCE may be a list, a vector, a bit vector, or a string. |
| 3757 This function is like `mapcar' but does not accumulate the results, | |
| 3758 which is more efficient if you do not use the results. | |
| 3759 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3760 With optional SEQUENCES, call FUNCTION each time with as many arguments as |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3761 there are SEQUENCES, plus one for the elements from SEQUENCE. One element |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3762 from each sequence will be used each time FUNCTION is called, and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3763 `mapc' stops calling FUNCTION once the shortest sequence is exhausted. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3764 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3765 Return SEQUENCE. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3766 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3767 arguments: (FUNCTION SEQUENCE &rest SEQUENCES) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3768 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3769 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3770 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3771 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3772 Lisp_Object sequence = args[1]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3773 struct gcpro gcpro1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3774 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3775 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3776 for (i = 1; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3777 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3778 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3779 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3780 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3781 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3782 /* We need to GCPRO sequence, because mapcarX will modify the |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3783 elements of the args array handed to it, and this may involve |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3784 elements of sequence getting garbage collected. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3785 GCPRO1 (sequence); |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3786 mapcarX (len, NULL, Qnil, args[0], nargs - 1, args + 1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3787 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3788 RETURN_UNGCPRO (sequence); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3789 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3790 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3791 DEFUN ("map", Fmap, 3, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3792 Map FUNCTION across one or more sequences, returning a sequence. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3793 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3794 TYPE is the sequence type to return, FUNCTION is the function, SEQUENCE is |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3795 the first argument sequence, SEQUENCES are the other argument sequences. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3796 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3797 FUNCTION will be called with (1+ (length SEQUENCES)) arguments, and must be |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3798 capable of accepting this number of arguments. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3799 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3800 Certain TYPEs are recognised internally by `map', but others are not, and |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3801 `coerce' may throw an error on an attempt to convert to a TYPE it does not |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3802 understand. A null TYPE means do not accumulate any values. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3803 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3804 arguments: (TYPE FUNCTION SEQUENCE &rest SEQUENCES) |
| 428 | 3805 */ |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3806 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3807 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3808 Lisp_Object type = args[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3809 Lisp_Object function = args[1]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3810 Lisp_Object result = Qnil; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3811 Lisp_Object *args0 = NULL; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3812 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3813 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3814 struct gcpro gcpro1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3815 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3816 for (i = 2; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3817 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3818 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3819 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3820 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3821 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3822 if (!NILP (type)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3823 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3824 args0 = alloca_array (Lisp_Object, len); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3825 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3826 |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3827 mapcarX (len, args0, Qnil, function, nargs - 2, args + 2, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3828 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3829 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3830 if (EQ (type, Qnil)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3831 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3832 return result; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3833 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3834 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3835 if (EQ (type, Qvector) || EQ (type, Qarray)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3836 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3837 result = Fvector (len, args0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3838 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3839 else if (EQ (type, Qstring)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3840 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3841 result = Fstring (len, args0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3842 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3843 else if (EQ (type, Qlist)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3844 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3845 result = Flist (len, args0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3846 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3847 else if (EQ (type, Qbit_vector)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3848 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3849 result = Fbit_vector (len, args0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3850 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3851 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3852 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3853 result = Flist (len, args0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3854 GCPRO1 (result); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3855 result = call2 (Qcoerce, result, type); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3856 UNGCPRO; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3857 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3858 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3859 return result; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3860 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3861 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3862 DEFUN ("map-into", Fmap_into, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3863 Modify RESULT-SEQUENCE using the return values of FUNCTION on SEQUENCES. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3864 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3865 RESULT-SEQUENCE and SEQUENCES can be lists or arrays. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3866 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3867 FUNCTION must accept at least as many arguments as there are SEQUENCES |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3868 \(possibly zero). If RESULT-SEQUENCE and the elements of SEQUENCES are not |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3869 the same length, stop when the shortest is exhausted; any elements of |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3870 RESULT-SEQUENCE beyond that are unmodified. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3871 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3872 Return RESULT-SEQUENCE. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3873 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3874 arguments: (RESULT-SEQUENCE FUNCTION &rest SEQUENCES) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3875 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3876 (int nargs, Lisp_Object *args)) |
| 428 | 3877 { |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3878 Elemcount len = EMACS_INT_MAX; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3879 Lisp_Object result_sequence = args[0]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3880 Lisp_Object function = args[1]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3881 int i; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3882 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3883 args[0] = function; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3884 args[1] = result_sequence; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3885 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3886 for (i = 1; i < nargs; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3887 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3888 CHECK_SEQUENCE (args[i]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3889 len = min (len, XINT (Flength (args[i]))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3890 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3891 |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3892 mapcarX (len, NULL, result_sequence, function, nargs - 2, args + 2, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3893 SOME_OR_EVERY_NEITHER); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3894 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3895 return result_sequence; |
| 428 | 3896 } |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3897 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3898 DEFUN ("some", Fsome, 2, MANY, 0, /* |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3899 Return true if PREDICATE gives non-nil for an element of SEQUENCE. |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3900 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3901 If so, return the value (possibly multiple) given by PREDICATE. |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3902 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3903 With optional SEQUENCES, call PREDICATE each time with as many arguments as |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3904 there are SEQUENCES (plus one for the element from SEQUENCE). |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3905 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3906 arguments: (PREDICATE SEQUENCE &rest SEQUENCES) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3907 */ |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3908 (int nargs, Lisp_Object *args)) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3909 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3910 Lisp_Object result_box = Fcons (Qnil, Qnil); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3911 struct gcpro gcpro1; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3912 Elemcount len = EMACS_INT_MAX; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3913 int i; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3914 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3915 GCPRO1 (result_box); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3916 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3917 for (i = 1; i < nargs; ++i) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3918 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3919 CHECK_SEQUENCE (args[i]); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3920 len = min (len, XINT (Flength (args[i]))); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3921 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3922 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3923 mapcarX (len, NULL, result_box, args[0], nargs - 1, args +1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3924 SOME_OR_EVERY_SOME); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3925 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3926 RETURN_UNGCPRO (XCAR (result_box)); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3927 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3928 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3929 DEFUN ("every", Fevery, 2, MANY, 0, /* |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3930 Return true if PREDICATE is true of every element of SEQUENCE. |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3931 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3932 With optional SEQUENCES, call PREDICATE each time with as many arguments as |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3933 there are SEQUENCES (plus one for the element from SEQUENCE). |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3934 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3935 In contrast to `some', `every' never returns multiple values. |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3936 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3937 arguments: (PREDICATE SEQUENCE &rest SEQUENCES) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3938 */ |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3939 (int nargs, Lisp_Object *args)) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3940 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3941 Lisp_Object result_box = Fcons (Qt, Qnil); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3942 struct gcpro gcpro1; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3943 Elemcount len = EMACS_INT_MAX; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3944 int i; |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3945 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3946 GCPRO1 (result_box); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3947 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3948 for (i = 1; i < nargs; ++i) |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3949 { |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3950 CHECK_SEQUENCE (args[i]); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3951 len = min (len, XINT (Flength (args[i]))); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3952 } |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3953 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3954 mapcarX (len, NULL, result_box, args[0], nargs - 1, args +1, |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3955 SOME_OR_EVERY_EVERY); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3956 |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3957 RETURN_UNGCPRO (XCAR (result_box)); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
3958 } |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3959 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3960 /* Call FUNCTION with NLISTS arguments repeatedly, each Nth argument |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3961 corresponding to the result of calling (nthcdr ITERATION-COUNT LISTS[N]), |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3962 until that #'nthcdr expression gives nil for some element of LISTS. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3963 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3964 If MAPLP is zero, return LISTS[0]. Otherwise, return a list of the return |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3965 values from FUNCTION; if NCONCP is non-zero, nconc them together. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3966 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3967 In contrast to mapcarX, we don't require our callers to check LISTS for |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3968 well-formedness, we signal wrong-type-argument if it's not a list, or |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3969 circular-list if it's circular. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3970 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3971 static Lisp_Object |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3972 maplist (Lisp_Object function, int nlists, Lisp_Object *lists, int maplp, |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3973 int nconcp) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3974 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3975 Lisp_Object result = maplp ? lists[0] : Fcons (Qnil, Qnil), funcalled; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3976 Lisp_Object nconcing[2], accum = result, *args; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3977 struct gcpro gcpro1, gcpro2, gcpro3; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3978 int i, j, continuing = (nlists > 0), called_count = 0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3979 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3980 args = alloca_array (Lisp_Object, nlists + 1); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3981 args[0] = function; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3982 for (i = 1; i <= nlists; ++i) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3983 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3984 args[i] = Qnil; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3985 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3986 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3987 if (nconcp) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3988 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3989 nconcing[0] = result; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3990 nconcing[1] = Qnil; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3991 GCPRO3 (args[0], nconcing[0], result); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3992 gcpro1.nvars = 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3993 gcpro2.nvars = 2; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3994 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3995 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3996 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3997 GCPRO2 (args[0], result); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3998 gcpro1.nvars = 1; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
3999 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4000 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4001 while (continuing) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4002 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4003 for (j = 0; j < nlists; ++j) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4004 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4005 if (CONSP (lists[j])) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4006 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4007 args[j + 1] = lists[j]; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4008 lists[j] = XCDR (lists[j]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4009 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4010 else if (NILP (lists[j])) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4011 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4012 continuing = 0; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4013 break; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4014 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4015 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4016 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4017 dead_wrong_type_argument (Qlistp, lists[j]); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4018 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4019 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4020 if (!continuing) break; |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
4021 funcalled = IGNORE_MULTIPLE_VALUES (Ffuncall (nlists + 1, args)); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4022 if (!maplp) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4023 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4024 if (nconcp) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4025 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4026 /* This order of calls means we check that each list is |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4027 well-formed once and once only. The last result does |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4028 not have to be a list. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4029 nconcing[1] = funcalled; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4030 nconcing[0] = bytecode_nconc2 (nconcing); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4031 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4032 else |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4033 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4034 /* Add to the end, avoiding the need to call nreverse |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4035 once we're done: */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4036 XSETCDR (accum, Fcons (funcalled, Qnil)); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4037 accum = XCDR (accum); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4038 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4039 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4040 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4041 if (++called_count % CIRCULAR_LIST_SUSPICION_LENGTH) continue; |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4042 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4043 for (j = 0; j < nlists; ++j) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4044 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4045 EXTERNAL_LIST_LOOP_1 (lists[j]) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4046 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4047 /* Just check the lists aren't circular, using the |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4048 EXTERNAL_LIST_LOOP_1 macro. */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4049 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4050 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4051 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4052 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4053 if (!maplp) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4054 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4055 result = XCDR (result); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4056 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4057 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4058 RETURN_UNGCPRO (result); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4059 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4060 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4061 DEFUN ("maplist", Fmaplist, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4062 Call FUNCTION on each sublist of LIST and LISTS. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4063 Like `mapcar', except applies to lists and their cdr's rather than to |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4064 the elements themselves." |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4065 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4066 arguments: (FUNCTION LIST &rest LISTS) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4067 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4068 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4069 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4070 return maplist (args[0], nargs - 1, args + 1, 0, 0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4071 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4072 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4073 DEFUN ("mapl", Fmapl, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4074 Like `maplist', but do not accumulate values returned by the function. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4075 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4076 arguments: (FUNCTION LIST &rest LISTS) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4077 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4078 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4079 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4080 return maplist (args[0], nargs - 1, args + 1, 1, 0); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4081 } |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4082 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4083 DEFUN ("mapcon", Fmapcon, 2, MANY, 0, /* |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4084 Like `maplist', but chains together the values returned by FUNCTION. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4085 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4086 FUNCTION must return a list (unless it happens to be the last |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4087 iteration); the results will be concatenated together using `nconc'. |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4088 |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4089 arguments: (FUNCTION LIST &rest LISTS) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4090 */ |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4091 (int nargs, Lisp_Object *args)) |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4092 { |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4093 return maplist (args[0], nargs - 1, args + 1, 0, 1); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4094 } |
| 428 | 4095 |
| 771 | 4096 /* Extra random functions */ |
| 442 | 4097 |
| 4098 DEFUN ("replace-list", Freplace_list, 2, 2, 0, /* | |
| 4099 Destructively replace the list OLD with NEW. | |
| 4100 This is like (copy-sequence NEW) except that it reuses the | |
| 4101 conses in OLD as much as possible. If OLD and NEW are the same | |
| 4102 length, no consing will take place. | |
| 4103 */ | |
| 3025 | 4104 (old, new_)) |
| 442 | 4105 { |
| 2367 | 4106 Lisp_Object oldtail = old, prevoldtail = Qnil; |
| 4107 | |
| 3025 | 4108 EXTERNAL_LIST_LOOP_2 (elt, new_) |
| 442 | 4109 { |
| 4110 if (!NILP (oldtail)) | |
| 4111 { | |
| 4112 CHECK_CONS (oldtail); | |
| 2367 | 4113 XCAR (oldtail) = elt; |
| 442 | 4114 } |
| 4115 else if (!NILP (prevoldtail)) | |
| 4116 { | |
| 2367 | 4117 XCDR (prevoldtail) = Fcons (elt, Qnil); |
| 442 | 4118 prevoldtail = XCDR (prevoldtail); |
| 4119 } | |
| 4120 else | |
| 2367 | 4121 old = oldtail = Fcons (elt, Qnil); |
| 442 | 4122 |
| 4123 if (!NILP (oldtail)) | |
| 4124 { | |
| 4125 prevoldtail = oldtail; | |
| 4126 oldtail = XCDR (oldtail); | |
| 4127 } | |
| 4128 } | |
| 4129 | |
| 4130 if (!NILP (prevoldtail)) | |
| 4131 XCDR (prevoldtail) = Qnil; | |
| 4132 else | |
| 4133 old = Qnil; | |
| 4134 | |
| 4135 return old; | |
| 4136 } | |
| 4137 | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4138 |
| 771 | 4139 Lisp_Object |
| 2367 | 4140 add_suffix_to_symbol (Lisp_Object symbol, const Ascbyte *ascii_string) |
| 771 | 4141 { |
| 4142 return Fintern (concat2 (Fsymbol_name (symbol), | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
4143 build_ascstring (ascii_string)), |
| 771 | 4144 Qnil); |
| 4145 } | |
| 4146 | |
| 4147 Lisp_Object | |
| 2367 | 4148 add_prefix_to_symbol (const Ascbyte *ascii_string, Lisp_Object symbol) |
| 771 | 4149 { |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
4150 return Fintern (concat2 (build_ascstring (ascii_string), |
| 771 | 4151 Fsymbol_name (symbol)), |
| 4152 Qnil); | |
| 4153 } | |
| 4154 | |
| 442 | 4155 |
| 428 | 4156 /* #### this function doesn't belong in this file! */ |
| 4157 | |
| 442 | 4158 #ifdef HAVE_GETLOADAVG |
| 4159 #ifdef HAVE_SYS_LOADAVG_H | |
| 4160 #include <sys/loadavg.h> | |
| 4161 #endif | |
| 4162 #else | |
| 4163 int getloadavg (double loadavg[], int nelem); /* Defined in getloadavg.c */ | |
| 4164 #endif | |
| 4165 | |
| 428 | 4166 DEFUN ("load-average", Fload_average, 0, 1, 0, /* |
| 4167 Return list of 1 minute, 5 minute and 15 minute load averages. | |
| 4168 Each of the three load averages is multiplied by 100, | |
| 4169 then converted to integer. | |
| 4170 | |
| 4171 When USE-FLOATS is non-nil, floats will be used instead of integers. | |
| 4172 These floats are not multiplied by 100. | |
| 4173 | |
| 4174 If the 5-minute or 15-minute load averages are not available, return a | |
| 4175 shortened list, containing only those averages which are available. | |
| 4176 | |
| 4177 On some systems, this won't work due to permissions on /dev/kmem, | |
| 4178 in which case you can't use this. | |
| 4179 */ | |
| 4180 (use_floats)) | |
| 4181 { | |
| 4182 double load_ave[3]; | |
| 4183 int loads = getloadavg (load_ave, countof (load_ave)); | |
| 4184 Lisp_Object ret = Qnil; | |
| 4185 | |
| 4186 if (loads == -2) | |
| 563 | 4187 signal_error (Qunimplemented, |
| 4188 "load-average not implemented for this operating system", | |
| 4189 Qunbound); | |
| 428 | 4190 else if (loads < 0) |
| 563 | 4191 invalid_operation ("Could not get load-average", lisp_strerror (errno)); |
| 428 | 4192 |
| 4193 while (loads-- > 0) | |
| 4194 { | |
| 4195 Lisp_Object load = (NILP (use_floats) ? | |
| 4196 make_int ((int) (100.0 * load_ave[loads])) | |
| 4197 : make_float (load_ave[loads])); | |
| 4198 ret = Fcons (load, ret); | |
| 4199 } | |
| 4200 return ret; | |
| 4201 } | |
| 4202 | |
| 4203 | |
| 4204 Lisp_Object Vfeatures; | |
| 4205 | |
| 4206 DEFUN ("featurep", Ffeaturep, 1, 1, 0, /* | |
| 4207 Return non-nil if feature FEXP is present in this Emacs. | |
| 4208 Use this to conditionalize execution of lisp code based on the | |
| 4209 presence or absence of emacs or environment extensions. | |
| 4210 FEXP can be a symbol, a number, or a list. | |
| 4211 If it is a symbol, that symbol is looked up in the `features' variable, | |
| 4212 and non-nil will be returned if found. | |
| 4213 If it is a number, the function will return non-nil if this Emacs | |
| 4214 has an equal or greater version number than FEXP. | |
| 4215 If it is a list whose car is the symbol `and', it will return | |
| 4216 non-nil if all the features in its cdr are non-nil. | |
| 4217 If it is a list whose car is the symbol `or', it will return non-nil | |
| 4218 if any of the features in its cdr are non-nil. | |
| 4219 If it is a list whose car is the symbol `not', it will return | |
| 4220 non-nil if the feature is not present. | |
| 4221 | |
| 4222 Examples: | |
| 4223 | |
| 4224 (featurep 'xemacs) | |
| 4225 => ; Non-nil on XEmacs. | |
| 4226 | |
| 4227 (featurep '(and xemacs gnus)) | |
| 4228 => ; Non-nil on XEmacs with Gnus loaded. | |
| 4229 | |
| 4230 (featurep '(or tty-frames (and emacs 19.30))) | |
| 4231 => ; Non-nil if this Emacs supports TTY frames. | |
| 4232 | |
| 4233 (featurep '(or (and xemacs 19.15) (and emacs 19.34))) | |
| 4234 => ; Non-nil on XEmacs 19.15 and later, or FSF Emacs 19.34 and later. | |
| 4235 | |
| 442 | 4236 (featurep '(and xemacs 21.02)) |
| 4237 => ; Non-nil on XEmacs 21.2 and later. | |
| 4238 | |
| 428 | 4239 NOTE: The advanced arguments of this function (anything other than a |
| 4240 symbol) are not yet supported by FSF Emacs. If you feel they are useful | |
| 4241 for supporting multiple Emacs variants, lobby Richard Stallman at | |
| 442 | 4242 <bug-gnu-emacs@gnu.org>. |
| 428 | 4243 */ |
| 4244 (fexp)) | |
| 4245 { | |
| 4246 #ifndef FEATUREP_SYNTAX | |
| 4247 CHECK_SYMBOL (fexp); | |
| 4248 return NILP (Fmemq (fexp, Vfeatures)) ? Qnil : Qt; | |
| 4249 #else /* FEATUREP_SYNTAX */ | |
| 4250 static double featurep_emacs_version; | |
| 4251 | |
| 4252 /* Brute force translation from Erik Naggum's lisp function. */ | |
| 4253 if (SYMBOLP (fexp)) | |
| 4254 { | |
| 4255 /* Original definition */ | |
| 4256 return NILP (Fmemq (fexp, Vfeatures)) ? Qnil : Qt; | |
| 4257 } | |
| 4258 else if (INTP (fexp) || FLOATP (fexp)) | |
| 4259 { | |
| 4260 double d = extract_float (fexp); | |
| 4261 | |
| 4262 if (featurep_emacs_version == 0.0) | |
| 4263 { | |
| 4264 featurep_emacs_version = XINT (Vemacs_major_version) + | |
| 4265 (XINT (Vemacs_minor_version) / 100.0); | |
| 4266 } | |
| 4267 return featurep_emacs_version >= d ? Qt : Qnil; | |
| 4268 } | |
| 4269 else if (CONSP (fexp)) | |
| 4270 { | |
| 4271 Lisp_Object tem = XCAR (fexp); | |
| 4272 if (EQ (tem, Qnot)) | |
| 4273 { | |
| 4274 Lisp_Object negate; | |
| 4275 | |
| 4276 tem = XCDR (fexp); | |
| 4277 negate = Fcar (tem); | |
| 4278 if (!NILP (tem)) | |
| 4279 return NILP (call1 (Qfeaturep, negate)) ? Qt : Qnil; | |
| 4280 else | |
| 4281 return Fsignal (Qinvalid_read_syntax, list1 (tem)); | |
| 4282 } | |
| 4283 else if (EQ (tem, Qand)) | |
| 4284 { | |
| 4285 tem = XCDR (fexp); | |
| 4286 /* Use Fcar/Fcdr for error-checking. */ | |
| 4287 while (!NILP (tem) && !NILP (call1 (Qfeaturep, Fcar (tem)))) | |
| 4288 { | |
| 4289 tem = Fcdr (tem); | |
| 4290 } | |
| 4291 return NILP (tem) ? Qt : Qnil; | |
| 4292 } | |
| 4293 else if (EQ (tem, Qor)) | |
| 4294 { | |
| 4295 tem = XCDR (fexp); | |
| 4296 /* Use Fcar/Fcdr for error-checking. */ | |
| 4297 while (!NILP (tem) && NILP (call1 (Qfeaturep, Fcar (tem)))) | |
| 4298 { | |
| 4299 tem = Fcdr (tem); | |
| 4300 } | |
| 4301 return NILP (tem) ? Qnil : Qt; | |
| 4302 } | |
| 4303 else | |
| 4304 { | |
| 4305 return Fsignal (Qinvalid_read_syntax, list1 (XCDR (fexp))); | |
| 4306 } | |
| 4307 } | |
| 4308 else | |
| 4309 { | |
| 4310 return Fsignal (Qinvalid_read_syntax, list1 (fexp)); | |
| 4311 } | |
| 4312 } | |
| 4313 #endif /* FEATUREP_SYNTAX */ | |
| 4314 | |
| 4315 DEFUN ("provide", Fprovide, 1, 1, 0, /* | |
| 4316 Announce that FEATURE is a feature of the current Emacs. | |
| 4317 This function updates the value of the variable `features'. | |
| 4318 */ | |
| 4319 (feature)) | |
| 4320 { | |
| 4321 Lisp_Object tem; | |
| 4322 CHECK_SYMBOL (feature); | |
| 4323 if (!NILP (Vautoload_queue)) | |
| 4324 Vautoload_queue = Fcons (Fcons (Vfeatures, Qnil), Vautoload_queue); | |
| 4325 tem = Fmemq (feature, Vfeatures); | |
| 4326 if (NILP (tem)) | |
| 4327 Vfeatures = Fcons (feature, Vfeatures); | |
| 4328 LOADHIST_ATTACH (Fcons (Qprovide, feature)); | |
| 4329 return feature; | |
| 4330 } | |
| 4331 | |
| 1067 | 4332 DEFUN ("require", Frequire, 1, 3, 0, /* |
| 3842 | 4333 Ensure that FEATURE is present in the Lisp environment. |
| 4334 FEATURE is a symbol naming a collection of resources (functions, etc). | |
| 4335 Optional FILENAME is a library from which to load resources; it defaults to | |
| 4336 the print name of FEATURE. | |
| 4337 Optional NOERROR, if non-nil, causes require to return nil rather than signal | |
| 4338 `file-error' if loading the library fails. | |
| 4339 | |
| 4340 If feature FEATURE is present in `features', update `load-history' to reflect | |
| 4341 the require and return FEATURE. Otherwise, try to load it from a library. | |
| 4342 The normal messages at start and end of loading are suppressed. | |
| 4343 If the library is successfully loaded and it calls `(provide FEATURE)', add | |
| 4344 FEATURE to `features', update `load-history' and return FEATURE. | |
| 4345 If the load succeeds but FEATURE is not provided by the library, signal | |
| 4346 `invalid-state'. | |
| 4347 | |
| 4348 The byte-compiler treats top-level calls to `require' specially, by evaluating | |
| 4349 them at compile time (and then compiling them normally). Thus a library may | |
| 4350 request that definitions that should be inlined such as macros and defsubsts | |
| 4351 be loaded into its compilation environment. Achieving this in other contexts | |
| 4352 requires an explicit \(eval-and-compile ...\) block. | |
| 428 | 4353 */ |
| 1067 | 4354 (feature, filename, noerror)) |
| 428 | 4355 { |
| 4356 Lisp_Object tem; | |
| 4357 CHECK_SYMBOL (feature); | |
| 4358 tem = Fmemq (feature, Vfeatures); | |
| 4359 LOADHIST_ATTACH (Fcons (Qrequire, feature)); | |
| 4360 if (!NILP (tem)) | |
| 4361 return feature; | |
| 4362 else | |
| 4363 { | |
| 4364 int speccount = specpdl_depth (); | |
| 4365 | |
| 4366 /* Value saved here is to be restored into Vautoload_queue */ | |
| 4367 record_unwind_protect (un_autoload, Vautoload_queue); | |
| 4368 Vautoload_queue = Qt; | |
| 4369 | |
| 1067 | 4370 tem = call4 (Qload, NILP (filename) ? Fsymbol_name (feature) : filename, |
| 1261 | 4371 noerror, Qrequire, Qnil); |
| 1067 | 4372 /* If load failed entirely, return nil. */ |
| 4373 if (NILP (tem)) | |
| 4374 return unbind_to_1 (speccount, Qnil); | |
| 428 | 4375 |
| 4376 tem = Fmemq (feature, Vfeatures); | |
| 4377 if (NILP (tem)) | |
| 563 | 4378 invalid_state ("Required feature was not provided", feature); |
| 428 | 4379 |
| 4380 /* Once loading finishes, don't undo it. */ | |
| 4381 Vautoload_queue = Qt; | |
| 771 | 4382 return unbind_to_1 (speccount, feature); |
| 428 | 4383 } |
| 4384 } | |
| 4385 | |
| 4386 /* base64 encode/decode functions. | |
| 4387 | |
| 4388 Originally based on code from GNU recode. Ported to FSF Emacs by | |
| 4389 Lars Magne Ingebrigtsen and Karl Heuer. Ported to XEmacs and | |
| 4390 subsequently heavily hacked by Hrvoje Niksic. */ | |
| 4391 | |
| 4392 #define MIME_LINE_LENGTH 72 | |
| 4393 | |
| 4394 #define IS_ASCII(Character) \ | |
| 4395 ((Character) < 128) | |
| 4396 #define IS_BASE64(Character) \ | |
| 4397 (IS_ASCII (Character) && base64_char_to_value[Character] >= 0) | |
| 4398 | |
| 4399 /* Table of characters coding the 64 values. */ | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
4400 static Ascbyte base64_value_to_char[64] = |
| 428 | 4401 { |
| 4402 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', /* 0- 9 */ | |
| 4403 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 10-19 */ | |
| 4404 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', /* 20-29 */ | |
| 4405 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', /* 30-39 */ | |
| 4406 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', /* 40-49 */ | |
| 4407 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', /* 50-59 */ | |
| 4408 '8', '9', '+', '/' /* 60-63 */ | |
| 4409 }; | |
| 4410 | |
| 4411 /* Table of base64 values for first 128 characters. */ | |
| 4412 static short base64_char_to_value[128] = | |
| 4413 { | |
| 4414 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0- 9 */ | |
| 4415 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 10- 19 */ | |
| 4416 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 20- 29 */ | |
| 4417 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 30- 39 */ | |
| 4418 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, /* 40- 49 */ | |
| 4419 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, /* 50- 59 */ | |
| 4420 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, /* 60- 69 */ | |
| 4421 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* 70- 79 */ | |
| 4422 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, /* 80- 89 */ | |
| 4423 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, /* 90- 99 */ | |
| 4424 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, /* 100-109 */ | |
| 4425 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, /* 110-119 */ | |
| 4426 49, 50, 51, -1, -1, -1, -1, -1 /* 120-127 */ | |
| 4427 }; | |
| 4428 | |
| 4429 /* The following diagram shows the logical steps by which three octets | |
| 4430 get transformed into four base64 characters. | |
| 4431 | |
| 4432 .--------. .--------. .--------. | |
| 4433 |aaaaaabb| |bbbbcccc| |ccdddddd| | |
| 4434 `--------' `--------' `--------' | |
| 4435 6 2 4 4 2 6 | |
| 4436 .--------+--------+--------+--------. | |
| 4437 |00aaaaaa|00bbbbbb|00cccccc|00dddddd| | |
| 4438 `--------+--------+--------+--------' | |
| 4439 | |
| 4440 .--------+--------+--------+--------. | |
| 4441 |AAAAAAAA|BBBBBBBB|CCCCCCCC|DDDDDDDD| | |
| 4442 `--------+--------+--------+--------' | |
| 4443 | |
| 4444 The octets are divided into 6 bit chunks, which are then encoded into | |
| 4445 base64 characters. */ | |
| 4446 | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
4447 static DECLARE_DOESNT_RETURN (base64_conversion_error (const Ascbyte *, |
| 2268 | 4448 Lisp_Object)); |
| 4449 | |
| 575 | 4450 static DOESNT_RETURN |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
4451 base64_conversion_error (const Ascbyte *reason, Lisp_Object frob) |
| 563 | 4452 { |
| 4453 signal_error (Qbase64_conversion_error, reason, frob); | |
| 4454 } | |
| 4455 | |
| 4456 #define ADVANCE_INPUT(c, stream) \ | |
| 867 | 4457 ((ec = Lstream_get_ichar (stream)) == -1 ? 0 : \ |
| 563 | 4458 ((ec > 255) ? \ |
| 4459 (base64_conversion_error ("Non-ascii character in base64 input", \ | |
| 4460 make_char (ec)), 0) \ | |
| 867 | 4461 : (c = (Ibyte)ec), 1)) |
| 665 | 4462 |
| 4463 static Bytebpos | |
| 867 | 4464 base64_encode_1 (Lstream *istream, Ibyte *to, int line_break) |
| 428 | 4465 { |
| 4466 EMACS_INT counter = 0; | |
| 867 | 4467 Ibyte *e = to; |
| 4468 Ichar ec; | |
| 428 | 4469 unsigned int value; |
| 4470 | |
| 4471 while (1) | |
| 4472 { | |
| 1204 | 4473 Ibyte c = 0; |
| 428 | 4474 if (!ADVANCE_INPUT (c, istream)) |
| 4475 break; | |
| 4476 | |
| 4477 /* Wrap line every 76 characters. */ | |
| 4478 if (line_break) | |
| 4479 { | |
| 4480 if (counter < MIME_LINE_LENGTH / 4) | |
| 4481 counter++; | |
| 4482 else | |
| 4483 { | |
| 4484 *e++ = '\n'; | |
| 4485 counter = 1; | |
| 4486 } | |
| 4487 } | |
| 4488 | |
| 4489 /* Process first byte of a triplet. */ | |
| 4490 *e++ = base64_value_to_char[0x3f & c >> 2]; | |
| 4491 value = (0x03 & c) << 4; | |
| 4492 | |
| 4493 /* Process second byte of a triplet. */ | |
| 4494 if (!ADVANCE_INPUT (c, istream)) | |
| 4495 { | |
| 4496 *e++ = base64_value_to_char[value]; | |
| 4497 *e++ = '='; | |
| 4498 *e++ = '='; | |
| 4499 break; | |
| 4500 } | |
| 4501 | |
| 4502 *e++ = base64_value_to_char[value | (0x0f & c >> 4)]; | |
| 4503 value = (0x0f & c) << 2; | |
| 4504 | |
| 4505 /* Process third byte of a triplet. */ | |
| 4506 if (!ADVANCE_INPUT (c, istream)) | |
| 4507 { | |
| 4508 *e++ = base64_value_to_char[value]; | |
| 4509 *e++ = '='; | |
| 4510 break; | |
| 4511 } | |
| 4512 | |
| 4513 *e++ = base64_value_to_char[value | (0x03 & c >> 6)]; | |
| 4514 *e++ = base64_value_to_char[0x3f & c]; | |
| 4515 } | |
| 4516 | |
| 4517 return e - to; | |
| 4518 } | |
| 4519 #undef ADVANCE_INPUT | |
| 4520 | |
| 4521 /* Get next character from the stream, except that non-base64 | |
| 4522 characters are ignored. This is in accordance with rfc2045. EC | |
| 867 | 4523 should be an Ichar, so that it can hold -1 as the value for EOF. */ |
| 428 | 4524 #define ADVANCE_INPUT_IGNORE_NONBASE64(ec, stream, streampos) do { \ |
| 867 | 4525 ec = Lstream_get_ichar (stream); \ |
| 428 | 4526 ++streampos; \ |
| 4527 /* IS_BASE64 may not be called with negative arguments so check for \ | |
| 4528 EOF first. */ \ | |
| 4529 if (ec < 0 || IS_BASE64 (ec) || ec == '=') \ | |
| 4530 break; \ | |
| 4531 } while (1) | |
| 4532 | |
| 4533 #define STORE_BYTE(pos, val, ccnt) do { \ | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
4534 pos += set_itext_ichar (pos, (Ichar)((Binbyte)(val))); \ |
| 428 | 4535 ++ccnt; \ |
| 4536 } while (0) | |
| 4537 | |
| 665 | 4538 static Bytebpos |
| 867 | 4539 base64_decode_1 (Lstream *istream, Ibyte *to, Charcount *ccptr) |
| 428 | 4540 { |
| 4541 Charcount ccnt = 0; | |
| 867 | 4542 Ibyte *e = to; |
| 428 | 4543 EMACS_INT streampos = 0; |
| 4544 | |
| 4545 while (1) | |
| 4546 { | |
| 867 | 4547 Ichar ec; |
| 428 | 4548 unsigned long value; |
| 4549 | |
| 4550 /* Process first byte of a quadruplet. */ | |
| 4551 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos); | |
| 4552 if (ec < 0) | |
| 4553 break; | |
| 4554 if (ec == '=') | |
| 563 | 4555 base64_conversion_error ("Illegal `=' character while decoding base64", |
| 4556 make_int (streampos)); | |
| 428 | 4557 value = base64_char_to_value[ec] << 18; |
| 4558 | |
| 4559 /* Process second byte of a quadruplet. */ | |
| 4560 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos); | |
| 4561 if (ec < 0) | |
| 563 | 4562 base64_conversion_error ("Premature EOF while decoding base64", |
| 4563 Qunbound); | |
| 428 | 4564 if (ec == '=') |
| 563 | 4565 base64_conversion_error ("Illegal `=' character while decoding base64", |
| 4566 make_int (streampos)); | |
| 428 | 4567 value |= base64_char_to_value[ec] << 12; |
| 4568 STORE_BYTE (e, value >> 16, ccnt); | |
| 4569 | |
| 4570 /* Process third byte of a quadruplet. */ | |
| 4571 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos); | |
| 4572 if (ec < 0) | |
| 563 | 4573 base64_conversion_error ("Premature EOF while decoding base64", |
| 4574 Qunbound); | |
| 428 | 4575 |
| 4576 if (ec == '=') | |
| 4577 { | |
| 4578 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos); | |
| 4579 if (ec < 0) | |
| 563 | 4580 base64_conversion_error ("Premature EOF while decoding base64", |
| 4581 Qunbound); | |
| 428 | 4582 if (ec != '=') |
| 563 | 4583 base64_conversion_error |
| 4584 ("Padding `=' expected but not found while decoding base64", | |
| 4585 make_int (streampos)); | |
| 428 | 4586 continue; |
| 4587 } | |
| 4588 | |
| 4589 value |= base64_char_to_value[ec] << 6; | |
| 4590 STORE_BYTE (e, 0xff & value >> 8, ccnt); | |
| 4591 | |
| 4592 /* Process fourth byte of a quadruplet. */ | |
| 4593 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos); | |
| 4594 if (ec < 0) | |
| 563 | 4595 base64_conversion_error ("Premature EOF while decoding base64", |
| 4596 Qunbound); | |
| 428 | 4597 if (ec == '=') |
| 4598 continue; | |
| 4599 | |
| 4600 value |= base64_char_to_value[ec]; | |
| 4601 STORE_BYTE (e, 0xff & value, ccnt); | |
| 4602 } | |
| 4603 | |
| 4604 *ccptr = ccnt; | |
| 4605 return e - to; | |
| 4606 } | |
| 4607 #undef ADVANCE_INPUT | |
| 4608 #undef ADVANCE_INPUT_IGNORE_NONBASE64 | |
| 4609 #undef STORE_BYTE | |
| 4610 | |
| 4611 DEFUN ("base64-encode-region", Fbase64_encode_region, 2, 3, "r", /* | |
| 444 | 4612 Base64-encode the region between START and END. |
| 428 | 4613 Return the length of the encoded text. |
| 4614 Optional third argument NO-LINE-BREAK means do not break long lines | |
| 4615 into shorter lines. | |
| 4616 */ | |
| 444 | 4617 (start, end, no_line_break)) |
| 428 | 4618 { |
| 867 | 4619 Ibyte *encoded; |
| 665 | 4620 Bytebpos encoded_length; |
| 428 | 4621 Charcount allength, length; |
| 4622 struct buffer *buf = current_buffer; | |
| 665 | 4623 Charbpos begv, zv, old_pt = BUF_PT (buf); |
| 428 | 4624 Lisp_Object input; |
| 851 | 4625 int speccount = specpdl_depth (); |
| 428 | 4626 |
| 444 | 4627 get_buffer_range_char (buf, start, end, &begv, &zv, 0); |
| 428 | 4628 barf_if_buffer_read_only (buf, begv, zv); |
| 4629 | |
| 4630 /* We need to allocate enough room for encoding the text. | |
| 4631 We need 33 1/3% more space, plus a newline every 76 | |
| 4632 characters, and then we round up. */ | |
| 4633 length = zv - begv; | |
| 4634 allength = length + length/3 + 1; | |
| 4635 allength += allength / MIME_LINE_LENGTH + 1 + 6; | |
| 4636 | |
| 4637 input = make_lisp_buffer_input_stream (buf, begv, zv, 0); | |
| 867 | 4638 /* We needn't multiply allength with MAX_ICHAR_LEN because all the |
| 428 | 4639 base64 characters will be single-byte. */ |
| 867 | 4640 encoded = (Ibyte *) MALLOC_OR_ALLOCA (allength); |
| 428 | 4641 encoded_length = base64_encode_1 (XLSTREAM (input), encoded, |
| 4642 NILP (no_line_break)); | |
|
5050
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5002
diff
changeset
|
4643 assert (encoded_length <= allength); |
| 428 | 4644 Lstream_delete (XLSTREAM (input)); |
| 4645 | |
| 4646 /* Now we have encoded the region, so we insert the new contents | |
| 4647 and delete the old. (Insert first in order to preserve markers.) */ | |
| 4648 buffer_insert_raw_string_1 (buf, begv, encoded, encoded_length, 0); | |
| 851 | 4649 unbind_to (speccount); |
| 428 | 4650 buffer_delete_range (buf, begv + encoded_length, zv + encoded_length, 0); |
| 4651 | |
| 4652 /* Simulate FSF Emacs implementation of this function: if point was | |
| 4653 in the region, place it at the beginning. */ | |
| 4654 if (old_pt >= begv && old_pt < zv) | |
| 4655 BUF_SET_PT (buf, begv); | |
| 4656 | |
| 4657 /* We return the length of the encoded text. */ | |
| 4658 return make_int (encoded_length); | |
| 4659 } | |
| 4660 | |
| 4661 DEFUN ("base64-encode-string", Fbase64_encode_string, 1, 2, 0, /* | |
| 4662 Base64 encode STRING and return the result. | |
| 444 | 4663 Optional argument NO-LINE-BREAK means do not break long lines |
| 4664 into shorter lines. | |
| 428 | 4665 */ |
| 4666 (string, no_line_break)) | |
| 4667 { | |
| 4668 Charcount allength, length; | |
| 665 | 4669 Bytebpos encoded_length; |
| 867 | 4670 Ibyte *encoded; |
| 428 | 4671 Lisp_Object input, result; |
| 4672 int speccount = specpdl_depth(); | |
| 4673 | |
| 4674 CHECK_STRING (string); | |
| 4675 | |
| 826 | 4676 length = string_char_length (string); |
| 428 | 4677 allength = length + length/3 + 1; |
| 4678 allength += allength / MIME_LINE_LENGTH + 1 + 6; | |
| 4679 | |
| 4680 input = make_lisp_string_input_stream (string, 0, -1); | |
| 867 | 4681 encoded = (Ibyte *) MALLOC_OR_ALLOCA (allength); |
| 428 | 4682 encoded_length = base64_encode_1 (XLSTREAM (input), encoded, |
| 4683 NILP (no_line_break)); | |
|
5050
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5002
diff
changeset
|
4684 assert (encoded_length <= allength); |
| 428 | 4685 Lstream_delete (XLSTREAM (input)); |
| 4686 result = make_string (encoded, encoded_length); | |
| 851 | 4687 unbind_to (speccount); |
| 428 | 4688 return result; |
| 4689 } | |
| 4690 | |
| 4691 DEFUN ("base64-decode-region", Fbase64_decode_region, 2, 2, "r", /* | |
| 444 | 4692 Base64-decode the region between START and END. |
| 428 | 4693 Return the length of the decoded text. |
| 4694 If the region can't be decoded, return nil and don't modify the buffer. | |
| 4695 Characters out of the base64 alphabet are ignored. | |
| 4696 */ | |
| 444 | 4697 (start, end)) |
| 428 | 4698 { |
| 4699 struct buffer *buf = current_buffer; | |
| 665 | 4700 Charbpos begv, zv, old_pt = BUF_PT (buf); |
| 867 | 4701 Ibyte *decoded; |
| 665 | 4702 Bytebpos decoded_length; |
| 428 | 4703 Charcount length, cc_decoded_length; |
| 4704 Lisp_Object input; | |
| 4705 int speccount = specpdl_depth(); | |
| 4706 | |
| 444 | 4707 get_buffer_range_char (buf, start, end, &begv, &zv, 0); |
| 428 | 4708 barf_if_buffer_read_only (buf, begv, zv); |
| 4709 | |
| 4710 length = zv - begv; | |
| 4711 | |
| 4712 input = make_lisp_buffer_input_stream (buf, begv, zv, 0); | |
| 4713 /* We need to allocate enough room for decoding the text. */ | |
| 867 | 4714 decoded = (Ibyte *) MALLOC_OR_ALLOCA (length * MAX_ICHAR_LEN); |
| 428 | 4715 decoded_length = base64_decode_1 (XLSTREAM (input), decoded, &cc_decoded_length); |
|
5050
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5002
diff
changeset
|
4716 assert (decoded_length <= length * MAX_ICHAR_LEN); |
| 428 | 4717 Lstream_delete (XLSTREAM (input)); |
| 4718 | |
| 4719 /* Now we have decoded the region, so we insert the new contents | |
| 4720 and delete the old. (Insert first in order to preserve markers.) */ | |
| 4721 BUF_SET_PT (buf, begv); | |
| 4722 buffer_insert_raw_string_1 (buf, begv, decoded, decoded_length, 0); | |
| 851 | 4723 unbind_to (speccount); |
| 428 | 4724 buffer_delete_range (buf, begv + cc_decoded_length, |
| 4725 zv + cc_decoded_length, 0); | |
| 4726 | |
| 4727 /* Simulate FSF Emacs implementation of this function: if point was | |
| 4728 in the region, place it at the beginning. */ | |
| 4729 if (old_pt >= begv && old_pt < zv) | |
| 4730 BUF_SET_PT (buf, begv); | |
| 4731 | |
| 4732 return make_int (cc_decoded_length); | |
| 4733 } | |
| 4734 | |
| 4735 DEFUN ("base64-decode-string", Fbase64_decode_string, 1, 1, 0, /* | |
| 4736 Base64-decode STRING and return the result. | |
| 4737 Characters out of the base64 alphabet are ignored. | |
| 4738 */ | |
| 4739 (string)) | |
| 4740 { | |
| 867 | 4741 Ibyte *decoded; |
| 665 | 4742 Bytebpos decoded_length; |
| 428 | 4743 Charcount length, cc_decoded_length; |
| 4744 Lisp_Object input, result; | |
| 4745 int speccount = specpdl_depth(); | |
| 4746 | |
| 4747 CHECK_STRING (string); | |
| 4748 | |
| 826 | 4749 length = string_char_length (string); |
| 428 | 4750 /* We need to allocate enough room for decoding the text. */ |
| 867 | 4751 decoded = (Ibyte *) MALLOC_OR_ALLOCA (length * MAX_ICHAR_LEN); |
| 428 | 4752 |
| 4753 input = make_lisp_string_input_stream (string, 0, -1); | |
| 4754 decoded_length = base64_decode_1 (XLSTREAM (input), decoded, | |
| 4755 &cc_decoded_length); | |
|
5050
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5002
diff
changeset
|
4756 assert (decoded_length <= length * MAX_ICHAR_LEN); |
| 428 | 4757 Lstream_delete (XLSTREAM (input)); |
| 4758 | |
| 4759 result = make_string (decoded, decoded_length); | |
| 851 | 4760 unbind_to (speccount); |
| 428 | 4761 return result; |
| 4762 } | |
| 4763 | |
| 4764 Lisp_Object Qyes_or_no_p; | |
| 4765 | |
| 4766 void | |
| 4767 syms_of_fns (void) | |
| 4768 { | |
| 442 | 4769 INIT_LRECORD_IMPLEMENTATION (bit_vector); |
| 4770 | |
| 563 | 4771 DEFSYMBOL (Qstring_lessp); |
| 4772 DEFSYMBOL (Qidentity); | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4773 DEFSYMBOL (Qvector); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4774 DEFSYMBOL (Qarray); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4775 DEFSYMBOL (Qstring); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4776 DEFSYMBOL (Qlist); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4777 DEFSYMBOL (Qbit_vector); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4778 |
| 563 | 4779 DEFSYMBOL (Qyes_or_no_p); |
| 4780 | |
| 4781 DEFERROR_STANDARD (Qbase64_conversion_error, Qconversion_error); | |
| 428 | 4782 |
| 4783 DEFSUBR (Fidentity); | |
| 4784 DEFSUBR (Frandom); | |
| 4785 DEFSUBR (Flength); | |
| 4786 DEFSUBR (Fsafe_length); | |
| 4787 DEFSUBR (Fstring_equal); | |
| 801 | 4788 DEFSUBR (Fcompare_strings); |
| 428 | 4789 DEFSUBR (Fstring_lessp); |
| 4790 DEFSUBR (Fstring_modified_tick); | |
| 4791 DEFSUBR (Fappend); | |
| 4792 DEFSUBR (Fconcat); | |
| 4793 DEFSUBR (Fvconcat); | |
| 4794 DEFSUBR (Fbvconcat); | |
| 4795 DEFSUBR (Fcopy_list); | |
| 4796 DEFSUBR (Fcopy_sequence); | |
| 4797 DEFSUBR (Fcopy_alist); | |
| 4798 DEFSUBR (Fcopy_tree); | |
| 4799 DEFSUBR (Fsubstring); | |
| 4800 DEFSUBR (Fsubseq); | |
| 4801 DEFSUBR (Fnthcdr); | |
| 4802 DEFSUBR (Fnth); | |
| 4803 DEFSUBR (Felt); | |
| 4804 DEFSUBR (Flast); | |
| 4805 DEFSUBR (Fbutlast); | |
| 4806 DEFSUBR (Fnbutlast); | |
| 4807 DEFSUBR (Fmember); | |
| 4808 DEFSUBR (Fold_member); | |
| 4809 DEFSUBR (Fmemq); | |
| 4810 DEFSUBR (Fold_memq); | |
| 4811 DEFSUBR (Fassoc); | |
| 4812 DEFSUBR (Fold_assoc); | |
| 4813 DEFSUBR (Fassq); | |
| 4814 DEFSUBR (Fold_assq); | |
| 4815 DEFSUBR (Frassoc); | |
| 4816 DEFSUBR (Fold_rassoc); | |
| 4817 DEFSUBR (Frassq); | |
| 4818 DEFSUBR (Fold_rassq); | |
| 4819 DEFSUBR (Fdelete); | |
| 4820 DEFSUBR (Fold_delete); | |
| 4821 DEFSUBR (Fdelq); | |
| 4822 DEFSUBR (Fold_delq); | |
| 4823 DEFSUBR (Fremassoc); | |
| 4824 DEFSUBR (Fremassq); | |
| 4825 DEFSUBR (Fremrassoc); | |
| 4826 DEFSUBR (Fremrassq); | |
| 4827 DEFSUBR (Fnreverse); | |
| 4828 DEFSUBR (Freverse); | |
| 4829 DEFSUBR (Fsort); | |
| 4830 DEFSUBR (Fplists_eq); | |
| 4831 DEFSUBR (Fplists_equal); | |
| 4832 DEFSUBR (Flax_plists_eq); | |
| 4833 DEFSUBR (Flax_plists_equal); | |
| 4834 DEFSUBR (Fplist_get); | |
| 4835 DEFSUBR (Fplist_put); | |
| 4836 DEFSUBR (Fplist_remprop); | |
| 4837 DEFSUBR (Fplist_member); | |
| 4838 DEFSUBR (Fcheck_valid_plist); | |
| 4839 DEFSUBR (Fvalid_plist_p); | |
| 4840 DEFSUBR (Fcanonicalize_plist); | |
| 4841 DEFSUBR (Flax_plist_get); | |
| 4842 DEFSUBR (Flax_plist_put); | |
| 4843 DEFSUBR (Flax_plist_remprop); | |
| 4844 DEFSUBR (Flax_plist_member); | |
| 4845 DEFSUBR (Fcanonicalize_lax_plist); | |
| 4846 DEFSUBR (Fdestructive_alist_to_plist); | |
| 4847 DEFSUBR (Fget); | |
| 4848 DEFSUBR (Fput); | |
| 4849 DEFSUBR (Fremprop); | |
| 4850 DEFSUBR (Fobject_plist); | |
| 4851 DEFSUBR (Fequal); | |
|
4906
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4797
diff
changeset
|
4852 DEFSUBR (Fequalp); |
| 428 | 4853 DEFSUBR (Fold_equal); |
| 4854 DEFSUBR (Ffillarray); | |
| 4855 DEFSUBR (Fnconc); | |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4856 DEFSUBR (FmapcarX); |
| 428 | 4857 DEFSUBR (Fmapvector); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4858 DEFSUBR (Fmapcan); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4859 DEFSUBR (Fmapc); |
| 428 | 4860 DEFSUBR (Fmapconcat); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4861 DEFSUBR (Fmap); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4862 DEFSUBR (Fmap_into); |
|
4997
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
4863 DEFSUBR (Fsome); |
|
8800b5350a13
Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4996
diff
changeset
|
4864 DEFSUBR (Fevery); |
|
4995
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4865 Ffset (intern ("mapc-internal"), Fsymbol_function (intern ("mapc"))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4866 Ffset (intern ("mapcar"), Fsymbol_function (intern ("mapcar*"))); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4867 DEFSUBR (Fmaplist); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4868 DEFSUBR (Fmapl); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4869 DEFSUBR (Fmapcon); |
|
8431b52e43b1
Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4797
diff
changeset
|
4870 |
| 442 | 4871 DEFSUBR (Freplace_list); |
| 428 | 4872 DEFSUBR (Fload_average); |
| 4873 DEFSUBR (Ffeaturep); | |
| 4874 DEFSUBR (Frequire); | |
| 4875 DEFSUBR (Fprovide); | |
| 4876 DEFSUBR (Fbase64_encode_region); | |
| 4877 DEFSUBR (Fbase64_encode_string); | |
| 4878 DEFSUBR (Fbase64_decode_region); | |
| 4879 DEFSUBR (Fbase64_decode_string); | |
| 771 | 4880 |
| 4881 DEFSUBR (Fsplit_string_by_char); | |
| 4882 DEFSUBR (Fsplit_path); /* #### */ | |
| 4883 } | |
| 4884 | |
| 4885 void | |
| 4886 vars_of_fns (void) | |
| 4887 { | |
| 4888 DEFVAR_LISP ("path-separator", &Vpath_separator /* | |
| 4889 The directory separator in search paths, as a string. | |
| 4890 */ ); | |
| 4891 { | |
|
5000
44d7bde26046
fix compile errors, fix revert-buffer bug on binary/Latin 1 files, Mule-ize some files
Ben Wing <ben@xemacs.org>
parents:
4966
diff
changeset
|
4892 Ascbyte c = SEPCHAR; |
| 867 | 4893 Vpath_separator = make_string ((Ibyte *) &c, 1); |
| 771 | 4894 } |
| 428 | 4895 } |
| 4896 | |
| 4897 void | |
| 4898 init_provide_once (void) | |
| 4899 { | |
| 4900 DEFVAR_LISP ("features", &Vfeatures /* | |
| 4901 A list of symbols which are the features of the executing emacs. | |
| 4902 Used by `featurep' and `require', and altered by `provide'. | |
| 4903 */ ); | |
| 4904 Vfeatures = Qnil; | |
| 4905 | |
| 4906 Fprovide (intern ("base64")); | |
| 4907 } |