annotate src/fns.c @ 5032:9b80fa04e7d7

Fix Windows build by removing reference to no longer existent term.texi file
author Vin Shelton <acs@xemacs.org>
date Thu, 18 Feb 2010 19:23:32 -0500
parents 0cd784a6ec44
children 1b96882bdf37 6f2158fa75ed
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1 /* Random utility Lisp functions.
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2 Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc.
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3 Copyright (C) 1995, 1996, 2000, 2001, 2002, 2003, 2010 Ben Wing.
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4
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5 This file is part of XEmacs.
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6
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7 XEmacs is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 2, or (at your option) any
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10 later version.
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11
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12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: Mule 2.0, FSF 19.30. */
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23
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24 /* This file has been Mule-ized. */
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25
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26 /* Note: FSF 19.30 has bool vectors. We have bit vectors. */
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27
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28 /* Hacked on for Mule by Ben Wing, December 1994, January 1995. */
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29
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30 #include <config.h>
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31
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32 /* Note on some machines this defines `vector' as a typedef,
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33 so make sure we don't use that name in this file. */
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34 #undef vector
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35 #define vector *****
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36
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37 #include "lisp.h"
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38
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39 #include "sysfile.h"
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40 #include "sysproc.h" /* for qxe_getpid() */
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41
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42 #include "buffer.h"
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43 #include "bytecode.h"
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44 #include "device.h"
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45 #include "events.h"
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46 #include "extents.h"
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47 #include "frame.h"
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48 #include "process.h"
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49 #include "systime.h"
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50 #include "insdel.h"
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51 #include "lstream.h"
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52 #include "opaque.h"
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53
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54 /* NOTE: This symbol is also used in lread.c */
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55 #define FEATUREP_SYNTAX
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56
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57 Lisp_Object Qstring_lessp;
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58 Lisp_Object Qidentity;
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59 Lisp_Object Qvector, Qarray, Qbit_vector;
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60
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61 Lisp_Object Qbase64_conversion_error;
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62
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63 Lisp_Object Vpath_separator;
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64
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65 static int internal_old_equal (Lisp_Object, Lisp_Object, int);
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66 Lisp_Object safe_copy_tree (Lisp_Object arg, Lisp_Object vecp, int depth);
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67
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68 static Lisp_Object
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69 mark_bit_vector (Lisp_Object UNUSED (obj))
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70 {
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71 return Qnil;
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72 }
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73
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74 static void
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75 print_bit_vector (Lisp_Object obj, Lisp_Object printcharfun,
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76 int UNUSED (escapeflag))
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77 {
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78 Elemcount i;
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79 Lisp_Bit_Vector *v = XBIT_VECTOR (obj);
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80 Elemcount len = bit_vector_length (v);
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81 Elemcount last = len;
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82
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83 if (INTP (Vprint_length))
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84 last = min (len, XINT (Vprint_length));
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85 write_ascstring (printcharfun, "#*");
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86 for (i = 0; i < last; i++)
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87 {
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88 if (bit_vector_bit (v, i))
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89 write_ascstring (printcharfun, "1");
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90 else
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91 write_ascstring (printcharfun, "0");
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92 }
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93
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94 if (last != len)
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95 write_ascstring (printcharfun, "...");
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96 }
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97
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98 static int
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99 bit_vector_equal (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth),
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100 int UNUSED (foldcase))
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101 {
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102 Lisp_Bit_Vector *v1 = XBIT_VECTOR (obj1);
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103 Lisp_Bit_Vector *v2 = XBIT_VECTOR (obj2);
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104
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105 return ((bit_vector_length (v1) == bit_vector_length (v2)) &&
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106 !memcmp (v1->bits, v2->bits,
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107 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v1)) *
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108 sizeof (long)));
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109 }
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110
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111 static Hashcode
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112 bit_vector_hash (Lisp_Object obj, int UNUSED (depth))
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113 {
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114 Lisp_Bit_Vector *v = XBIT_VECTOR (obj);
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115 return HASH2 (bit_vector_length (v),
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116 memory_hash (v->bits,
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117 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v)) *
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118 sizeof (long)));
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119 }
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120
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121 static Bytecount
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122 size_bit_vector (const void *lheader)
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123 {
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124 Lisp_Bit_Vector *v = (Lisp_Bit_Vector *) lheader;
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125 return FLEXIBLE_ARRAY_STRUCT_SIZEOF (Lisp_Bit_Vector, unsigned long, bits,
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126 BIT_VECTOR_LONG_STORAGE (bit_vector_length (v)));
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127 }
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128
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129 static const struct memory_description bit_vector_description[] = {
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130 { XD_END }
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131 };
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132
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133
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134 DEFINE_LRECORD_SEQUENCE_IMPLEMENTATION ("bit-vector", bit_vector,
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135 1, /*dumpable-flag*/
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136 mark_bit_vector,
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137 print_bit_vector, 0,
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138 bit_vector_equal,
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139 bit_vector_hash,
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140 bit_vector_description,
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141 size_bit_vector,
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142 Lisp_Bit_Vector);
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143
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144
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145 DEFUN ("identity", Fidentity, 1, 1, 0, /*
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146 Return the argument unchanged.
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147 */
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148 (arg))
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149 {
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150 return arg;
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151 }
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152
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153 DEFUN ("random", Frandom, 0, 1, 0, /*
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154 Return a pseudo-random number.
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155 All fixnums are equally likely. On most systems, this is 31 bits' worth.
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156 With positive integer argument N, return random number in interval [0,N).
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157 N can be a bignum, in which case the range of possible values is extended.
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158 With argument t, set the random number seed from the current time and pid.
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159 */
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160 (limit))
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161 {
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162 EMACS_INT val;
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163 unsigned long denominator;
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164
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165 if (EQ (limit, Qt))
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ben
parents: 751
diff changeset
166 seed_random (qxe_getpid () + time (NULL));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
167 if (NATNUMP (limit) && !ZEROP (limit))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
168 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
169 /* Try to take our random number from the higher bits of VAL,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
170 not the lower, since (says Gentzel) the low bits of `random'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
171 are less random than the higher ones. We do this by using the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
172 quotient rather than the remainder. At the high end of the RNG
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
173 it's possible to get a quotient larger than limit; discarding
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
174 these values eliminates the bias that would otherwise appear
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
175 when using a large limit. */
2039
fd0cbe945410 [xemacs-hg @ 2004-04-22 03:24:00 by james]
james
parents: 1983
diff changeset
176 denominator = ((unsigned long)1 << INT_VALBITS) / XINT (limit);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
177 do
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
178 val = get_random () / denominator;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
179 while (val >= XINT (limit));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
180 }
1983
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
181 #ifdef HAVE_BIGNUM
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
182 else if (BIGNUMP (limit))
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
183 {
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
184 bignum_random (scratch_bignum, XBIGNUM_DATA (limit));
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
185 return Fcanonicalize_number (make_bignum_bg (scratch_bignum));
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
186 }
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
187 #endif
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
188 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
189 val = get_random ();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
190
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
191 return make_int (val);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
192 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
193
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
194 /* Random data-structure functions */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
195
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
196 #ifdef LOSING_BYTECODE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
197
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
198 /* #### Delete this shit */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
199
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
200 /* Charcount is a misnomer here as we might be dealing with the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
201 length of a vector or list, but emphasizes that we're not dealing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
202 with Bytecounts in strings */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
203 static Charcount
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
204 length_with_bytecode_hack (Lisp_Object seq)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
205 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
206 if (!COMPILED_FUNCTIONP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
207 return XINT (Flength (seq));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
208 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
209 {
440
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 438
diff changeset
210 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (seq);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
211
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
212 return (f->flags.interactivep ? COMPILED_INTERACTIVE :
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
213 f->flags.domainp ? COMPILED_DOMAIN :
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
214 COMPILED_DOC_STRING)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
215 + 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
216 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
217 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
218
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
219 #endif /* LOSING_BYTECODE */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
220
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
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
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
223 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
224 if (COMPILED_FUNCTIONP (seq))
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
225 signal_ferror_with_frob
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
226 (Qinvalid_argument, seq,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
227 "As of 20.3, `%s' no longer works with compiled-function objects",
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
228 function);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
229 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
230
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
231 DEFUN ("length", Flength, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
232 Return the length of vector, bit vector, list or string SEQUENCE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
233 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
234 (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
235 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
236 retry:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
237 if (STRINGP (sequence))
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
238 return make_int (string_char_length (sequence));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
239 else if (CONSP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
240 {
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
241 Elemcount len;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
242 GET_EXTERNAL_LIST_LENGTH (sequence, len);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
243 return make_int (len);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
244 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
245 else if (VECTORP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
246 return make_int (XVECTOR_LENGTH (sequence));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
247 else if (NILP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
248 return Qzero;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
249 else if (BIT_VECTORP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
250 return make_int (bit_vector_length (XBIT_VECTOR (sequence)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
251 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
252 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
253 check_losing_bytecode ("length", sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
254 sequence = wrong_type_argument (Qsequencep, sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
255 goto retry;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
256 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
257 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
258
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
259 DEFUN ("safe-length", Fsafe_length, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
260 Return the length of a list, but avoid error or infinite loop.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
261 This function never gets an error. If LIST is not really a list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
262 it returns 0. If LIST is circular, it returns a finite value
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
263 which is at least the number of distinct elements.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
264 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
265 (list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
266 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
267 Lisp_Object hare, tortoise;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
268 Elemcount len;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
269
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
270 for (hare = tortoise = list, len = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
271 CONSP (hare) && (! EQ (hare, tortoise) || len == 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
272 hare = XCDR (hare), len++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
273 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
274 if (len & 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
275 tortoise = XCDR (tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
276 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
277
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
278 return make_int (len);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
279 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
280
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
281 /*** string functions. ***/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
282
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
283 DEFUN ("string-equal", Fstring_equal, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
284 Return t if two strings have identical contents.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
285 Case is significant. Text properties are ignored.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
286 \(Under XEmacs, `equal' also ignores text properties and extents in
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
287 strings, but this is not the case under FSF Emacs 19. In FSF Emacs 20
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
288 `equal' is the same as in XEmacs, in that respect.)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
289 Symbols are also allowed; their print names are used instead.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
290 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
291 (string1, string2))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
292 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
293 Bytecount len;
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
294 Lisp_Object p1, p2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
295
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
296 if (SYMBOLP (string1))
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
297 p1 = XSYMBOL (string1)->name;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
298 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
299 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
300 CHECK_STRING (string1);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
301 p1 = string1;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
302 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
303
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
304 if (SYMBOLP (string2))
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
305 p2 = XSYMBOL (string2)->name;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
306 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
307 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
308 CHECK_STRING (string2);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
309 p2 = string2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
310 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
311
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
312 return (((len = XSTRING_LENGTH (p1)) == XSTRING_LENGTH (p2)) &&
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
313 !memcmp (XSTRING_DATA (p1), XSTRING_DATA (p2), len)) ? Qt : Qnil;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
314 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
315
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
316 DEFUN ("compare-strings", Fcompare_strings, 6, 7, 0, /*
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
317 Compare the contents of two strings, maybe ignoring case.
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
318 In string STR1, skip the first START1 characters and stop at END1.
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
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
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
326
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
327 The value is t if the strings (or specified portions) match.
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
328 If string STR1 is less, the value is a negative number N;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
329 - 1 - N is the number of characters that match at the beginning.
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
330 If string STR1 is greater, the value is a positive number N;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
331 N - 1 is the number of characters that match at the beginning.
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
332 */
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
333 (str1, start1, end1, str2, start2, end2, ignore_case))
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
334 {
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
335 Charcount ccstart1, ccend1, ccstart2, ccend2;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
336 Bytecount bstart1, blen1, bstart2, blen2;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
337 Charcount matching;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
338 int res;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
339
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
340 CHECK_STRING (str1);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
341 CHECK_STRING (str2);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
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
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
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
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
346
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
347 bstart1 = string_index_char_to_byte (str1, ccstart1);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
348 blen1 = string_offset_char_to_byte_len (str1, bstart1, ccend1 - ccstart1);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
349 bstart2 = string_index_char_to_byte (str2, ccstart2);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
350 blen2 = string_offset_char_to_byte_len (str2, bstart2, ccend2 - ccstart2);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
351
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
352 res = ((NILP (ignore_case) ? qxetextcmp_matching : qxetextcasecmp_matching)
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
353 (XSTRING_DATA (str1) + bstart1, blen1,
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
354 XSTRING_DATA (str2) + bstart2, blen2,
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
355 &matching));
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
356
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
357 if (!res)
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
358 return Qt;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
359 else if (res > 0)
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
360 return make_int (1 + matching);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
361 else
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
362 return make_int (-1 - matching);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
363 }
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
364
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
365 DEFUN ("string-lessp", Fstring_lessp, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
366 Return t if first arg string is less than second in lexicographic order.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
367 Comparison is simply done on a character-by-character basis using the
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
368 numeric value of a character. (Note that this may not produce
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
369 particularly meaningful results under Mule if characters from
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
370 different charsets are being compared.)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
371
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
372 Symbols are also allowed; their print names are used instead.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
373
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
374 Currently we don't do proper language-specific collation or handle
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
375 multiple character sets. This may be changed when Unicode support
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
376 is implemented.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
377 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
378 (string1, string2))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
379 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
380 Lisp_Object p1, p2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
381 Charcount end, len2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
382 int i;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
383
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
384 if (SYMBOLP (string1))
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
385 p1 = XSYMBOL (string1)->name;
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
386 else
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
387 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
388 CHECK_STRING (string1);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
389 p1 = string1;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
390 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
391
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
392 if (SYMBOLP (string2))
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
393 p2 = XSYMBOL (string2)->name;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
394 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
395 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
396 CHECK_STRING (string2);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
397 p2 = string2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
398 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
399
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
400 end = string_char_length (p1);
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
401 len2 = string_char_length (p2);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
402 if (end > len2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
403 end = len2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
404
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
405 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
406 Ibyte *ptr1 = XSTRING_DATA (p1);
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
407 Ibyte *ptr2 = XSTRING_DATA (p2);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
408
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
409 /* #### It is not really necessary to do this: We could compare
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
410 byte-by-byte and still get a reasonable comparison, since this
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
411 would compare characters with a charset in the same way. With
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
412 a little rearrangement of the leading bytes, we could make most
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
413 inter-charset comparisons work out the same, too; even if some
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
414 don't, this is not a big deal because inter-charset comparisons
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
415 aren't really well-defined anyway. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
416 for (i = 0; i < end; i++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
417 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
418 if (itext_ichar (ptr1) != itext_ichar (ptr2))
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
419 return itext_ichar (ptr1) < itext_ichar (ptr2) ? Qt : Qnil;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
420 INC_IBYTEPTR (ptr1);
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
421 INC_IBYTEPTR (ptr2);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
422 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
423 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
424 /* Can't do i < len2 because then comparison between "foo" and "foo^@"
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
425 won't work right in I18N2 case */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
426 return end < len2 ? Qt : Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
427 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
429 DEFUN ("string-modified-tick", Fstring_modified_tick, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
430 Return STRING's tick counter, incremented for each change to the string.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
431 Each string has a tick counter which is incremented each time the contents
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
432 of the string are changed (e.g. with `aset'). It wraps around occasionally.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
433 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
434 (string))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
435 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
436 CHECK_STRING (string);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
437 if (CONSP (XSTRING_PLIST (string)) && INTP (XCAR (XSTRING_PLIST (string))))
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
438 return XCAR (XSTRING_PLIST (string));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
439 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
440 return Qzero;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
441 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
442
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
443 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
444 bump_string_modiff (Lisp_Object str)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
445 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
446 Lisp_Object *ptr = &XSTRING_PLIST (str);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
447
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
448 #ifdef I18N3
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
449 /* #### remove the `string-translatable' property from the string,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
450 if there is one. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
451 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
452 /* skip over extent info if it's there */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
453 if (CONSP (*ptr) && EXTENT_INFOP (XCAR (*ptr)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
454 ptr = &XCDR (*ptr);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
455 if (CONSP (*ptr) && INTP (XCAR (*ptr)))
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
456 XCAR (*ptr) = make_int (1+XINT (XCAR (*ptr)));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
457 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
458 *ptr = Fcons (make_int (1), *ptr);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
459 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
460
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
461
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
462 enum concat_target_type { c_cons, c_string, c_vector, c_bit_vector };
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
463 static Lisp_Object concat (int nargs, Lisp_Object *args,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
464 enum concat_target_type target_type,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
465 int last_special);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
466
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
467 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
468 concat2 (Lisp_Object string1, Lisp_Object string2)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
469 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
470 Lisp_Object args[2];
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
471 args[0] = string1;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
472 args[1] = string2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
473 return concat (2, args, c_string, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
474 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
475
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
476 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
477 concat3 (Lisp_Object string1, Lisp_Object string2, Lisp_Object string3)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
478 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
479 Lisp_Object args[3];
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
480 args[0] = string1;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
481 args[1] = string2;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
482 args[2] = string3;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
483 return concat (3, args, c_string, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
484 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
485
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
486 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
487 vconcat2 (Lisp_Object vec1, Lisp_Object vec2)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
488 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
489 Lisp_Object args[2];
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
490 args[0] = vec1;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
491 args[1] = vec2;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
492 return concat (2, args, c_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
493 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
494
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
495 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
496 vconcat3 (Lisp_Object vec1, Lisp_Object vec2, Lisp_Object vec3)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
497 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
498 Lisp_Object args[3];
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
499 args[0] = vec1;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
500 args[1] = vec2;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
501 args[2] = vec3;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
502 return concat (3, args, c_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
503 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
504
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
505 DEFUN ("append", Fappend, 0, MANY, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
506 Concatenate all the arguments and make the result a list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
507 The result is a list whose elements are the elements of all the arguments.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
508 Each argument may be a list, vector, bit vector, or string.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
509 The last argument is not copied, just used as the tail of the new list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
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
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
513 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
514 (int nargs, Lisp_Object *args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
515 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
516 return concat (nargs, args, c_cons, 1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
517 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
518
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
519 DEFUN ("concat", Fconcat, 0, MANY, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
520 Concatenate all the arguments and make the result a string.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
521 The result is a string whose elements are the elements of all the arguments.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
522 Each argument may be a string or a list or vector of characters.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
523
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
524 As of XEmacs 21.0, this function does NOT accept individual integers
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
525 as arguments. Old code that relies on, for example, (concat "foo" 50)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
526 returning "foo50" will fail. To fix such code, either apply
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
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
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
530 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
531 (int nargs, Lisp_Object *args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
532 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
533 return concat (nargs, args, c_string, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
534 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
535
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
536 DEFUN ("vconcat", Fvconcat, 0, MANY, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
537 Concatenate all the arguments and make the result a vector.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
538 The result is a vector whose elements are the elements of all the arguments.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
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
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
542 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
543 (int nargs, Lisp_Object *args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
544 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
545 return concat (nargs, args, c_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
546 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
547
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
548 DEFUN ("bvconcat", Fbvconcat, 0, MANY, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
549 Concatenate all the arguments and make the result a bit vector.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
550 The result is a bit vector whose elements are the elements of all the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
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
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
554 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
555 (int nargs, Lisp_Object *args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
556 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
557 return concat (nargs, args, c_bit_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
558 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
559
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
560 /* Copy a (possibly dotted) list. LIST must be a cons.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
561 Can't use concat (1, &alist, c_cons, 0) - doesn't handle dotted lists. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
562 static Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
563 copy_list (Lisp_Object list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
564 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
565 Lisp_Object list_copy = Fcons (XCAR (list), XCDR (list));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
566 Lisp_Object last = list_copy;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
567 Lisp_Object hare, tortoise;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
568 Elemcount len;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
569
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
570 for (tortoise = hare = XCDR (list), len = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
571 CONSP (hare);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
572 hare = XCDR (hare), len++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
573 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
574 XCDR (last) = Fcons (XCAR (hare), XCDR (hare));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
575 last = XCDR (last);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
576
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
577 if (len < CIRCULAR_LIST_SUSPICION_LENGTH)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
578 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
579 if (len & 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
580 tortoise = XCDR (tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
581 if (EQ (tortoise, hare))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
582 signal_circular_list_error (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
583 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
584
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
585 return list_copy;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
586 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
587
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
588 DEFUN ("copy-list", Fcopy_list, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
589 Return a copy of list LIST, which may be a dotted list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
590 The elements of LIST are not copied; they are shared
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
591 with the original.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
592 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
593 (list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
594 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
595 again:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
596 if (NILP (list)) return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
597 if (CONSP (list)) return copy_list (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
598
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
599 list = wrong_type_argument (Qlistp, list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
600 goto again;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
601 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
602
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
603 DEFUN ("copy-sequence", Fcopy_sequence, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
604 Return a copy of list, vector, bit vector or string SEQUENCE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
605 The elements of a list or vector are not copied; they are shared
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
606 with the original. SEQUENCE may be a dotted list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
607 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
608 (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
609 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
610 again:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
611 if (NILP (sequence)) return sequence;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
612 if (CONSP (sequence)) return copy_list (sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
613 if (STRINGP (sequence)) return concat (1, &sequence, c_string, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
614 if (VECTORP (sequence)) return concat (1, &sequence, c_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
615 if (BIT_VECTORP (sequence)) return concat (1, &sequence, c_bit_vector, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
616
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
617 check_losing_bytecode ("copy-sequence", sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
618 sequence = wrong_type_argument (Qsequencep, sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
619 goto again;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
620 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
621
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
622 struct merge_string_extents_struct
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
623 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
624 Lisp_Object string;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
625 Bytecount entry_offset;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
626 Bytecount entry_length;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
627 };
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
628
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
629 static Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
630 concat (int nargs, Lisp_Object *args,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
631 enum concat_target_type target_type,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
632 int last_special)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
633 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
634 Lisp_Object val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
635 Lisp_Object tail = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
636 int toindex;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
637 int argnum;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
638 Lisp_Object last_tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
639 Lisp_Object prev;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
640 struct merge_string_extents_struct *args_mse = 0;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
641 Ibyte *string_result = 0;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
642 Ibyte *string_result_ptr = 0;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
643 struct gcpro gcpro1;
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
644 int sdep = specpdl_depth ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
645
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
646 /* The modus operandi in Emacs is "caller gc-protects args".
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
647 However, concat is called many times in Emacs on freshly
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
648 created stuff. So we help those callers out by protecting
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
649 the args ourselves to save them a lot of temporary-variable
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
650 grief. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
651
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
652 GCPRO1 (args[0]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
653 gcpro1.nvars = nargs;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
654
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
655 #ifdef I18N3
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
656 /* #### if the result is a string and any of the strings have a string
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
657 for the `string-translatable' property, then concat should also
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
658 concat the args but use the `string-translatable' strings, and store
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
659 the result in the returned string's `string-translatable' property. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
660 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
661 if (target_type == c_string)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
662 args_mse = alloca_array (struct merge_string_extents_struct, nargs);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
663
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
664 /* In append, the last arg isn't treated like the others */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
665 if (last_special && nargs > 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
666 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
667 nargs--;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
668 last_tail = args[nargs];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
669 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
670 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
671 last_tail = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
672
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
673 /* Check and coerce the arguments. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
674 for (argnum = 0; argnum < nargs; argnum++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
675 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
676 Lisp_Object seq = args[argnum];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
677 if (LISTP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
678 ;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
679 else if (VECTORP (seq) || STRINGP (seq) || BIT_VECTORP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
680 ;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
681 #ifdef LOSING_BYTECODE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
682 else if (COMPILED_FUNCTIONP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
683 /* Urk! We allow this, for "compatibility"... */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
684 ;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
685 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
686 #if 0 /* removed for XEmacs 21 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
687 else if (INTP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
688 /* This is too revolting to think about but maintains
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
689 compatibility with FSF (and lots and lots of old code). */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
690 args[argnum] = Fnumber_to_string (seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
691 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
692 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
693 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
694 check_losing_bytecode ("concat", seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
695 args[argnum] = wrong_type_argument (Qsequencep, seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
696 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
697
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
698 if (args_mse)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
699 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
700 if (STRINGP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
701 args_mse[argnum].string = seq;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
702 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
703 args_mse[argnum].string = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
704 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
705 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
706
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
707 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
708 /* Charcount is a misnomer here as we might be dealing with the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
709 length of a vector or list, but emphasizes that we're not dealing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
710 with Bytecounts in strings */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
711 Charcount total_length;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
712
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
713 for (argnum = 0, total_length = 0; argnum < nargs; argnum++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
714 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
715 #ifdef LOSING_BYTECODE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
716 Charcount thislen = length_with_bytecode_hack (args[argnum]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
717 #else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
718 Charcount thislen = XINT (Flength (args[argnum]));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
719 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
720 total_length += thislen;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
721 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
722
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
723 switch (target_type)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
724 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
725 case c_cons:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
726 if (total_length == 0)
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
727 {
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
728 unbind_to (sdep);
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
729 /* In append, if all but last arg are nil, return last arg */
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
730 RETURN_UNGCPRO (last_tail);
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
731 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
732 val = Fmake_list (make_int (total_length), Qnil);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
733 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
734 case c_vector:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
735 val = make_vector (total_length, Qnil);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
736 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
737 case c_bit_vector:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
738 val = make_bit_vector (total_length, Qzero);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
739 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
740 case c_string:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
741 /* We don't make the string yet because we don't know the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
742 actual number of bytes. This loop was formerly written
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
743 to call Fmake_string() here and then call set_string_char()
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
744 for each char. This seems logical enough but is waaaaaaaay
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
745 slow -- set_string_char() has to scan the whole string up
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
746 to the place where the substitution is called for in order
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
747 to find the place to change, and may have to do some
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
748 realloc()ing in order to make the char fit properly.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
749 O(N^2) yuckage. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
750 val = Qnil;
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
751 string_result =
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
752 (Ibyte *) MALLOC_OR_ALLOCA (total_length * MAX_ICHAR_LEN);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
753 string_result_ptr = string_result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
754 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
755 default:
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
756 val = Qnil;
2500
3d8143fc88e1 [xemacs-hg @ 2005-01-24 23:33:30 by ben]
ben
parents: 2367
diff changeset
757 ABORT ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
758 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
759 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
760
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
761
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
762 if (CONSP (val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
763 tail = val, toindex = -1; /* -1 in toindex is flag we are
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
764 making a list */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
765 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
766 toindex = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
767
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
768 prev = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
769
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
770 for (argnum = 0; argnum < nargs; argnum++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
771 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
772 Charcount thisleni = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
773 Charcount thisindex = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
774 Lisp_Object seq = args[argnum];
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
775 Ibyte *string_source_ptr = 0;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
776 Ibyte *string_prev_result_ptr = string_result_ptr;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
777
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
778 if (!CONSP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
779 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
780 #ifdef LOSING_BYTECODE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
781 thisleni = length_with_bytecode_hack (seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
782 #else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
783 thisleni = XINT (Flength (seq));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
784 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
785 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
786 if (STRINGP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
787 string_source_ptr = XSTRING_DATA (seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
788
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
789 while (1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
790 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
791 Lisp_Object elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
792
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
793 /* We've come to the end of this arg, so exit. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
794 if (NILP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
795 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
796
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
797 /* Fetch next element of `seq' arg into `elt' */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
798 if (CONSP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
799 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
800 elt = XCAR (seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
801 seq = XCDR (seq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
802 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
803 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
804 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
805 if (thisindex >= thisleni)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
806 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
807
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
808 if (STRINGP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
809 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
810 elt = make_char (itext_ichar (string_source_ptr));
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
811 INC_IBYTEPTR (string_source_ptr);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
812 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
813 else if (VECTORP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
814 elt = XVECTOR_DATA (seq)[thisindex];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
815 else if (BIT_VECTORP (seq))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
816 elt = make_int (bit_vector_bit (XBIT_VECTOR (seq),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
817 thisindex));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
818 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
819 elt = Felt (seq, make_int (thisindex));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
820 thisindex++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
821 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
822
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
823 /* Store into result */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
824 if (toindex < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
825 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
826 /* toindex negative means we are making a list */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
827 XCAR (tail) = elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
828 prev = tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
829 tail = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
830 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
831 else if (VECTORP (val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
832 XVECTOR_DATA (val)[toindex++] = elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
833 else if (BIT_VECTORP (val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
834 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
835 CHECK_BIT (elt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
836 set_bit_vector_bit (XBIT_VECTOR (val), toindex++, XINT (elt));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
837 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
838 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
839 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
840 CHECK_CHAR_COERCE_INT (elt);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
841 string_result_ptr += set_itext_ichar (string_result_ptr,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
842 XCHAR (elt));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
843 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
844 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
845 if (args_mse)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
846 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
847 args_mse[argnum].entry_offset =
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
848 string_prev_result_ptr - string_result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
849 args_mse[argnum].entry_length =
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
850 string_result_ptr - string_prev_result_ptr;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
851 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
852 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
853
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
854 /* Now we finally make the string. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
855 if (target_type == c_string)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
856 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
857 val = make_string (string_result, string_result_ptr - string_result);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
858 for (argnum = 0; argnum < nargs; argnum++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
859 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
860 if (STRINGP (args_mse[argnum].string))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
861 copy_string_extents (val, args_mse[argnum].string,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
862 args_mse[argnum].entry_offset, 0,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
863 args_mse[argnum].entry_length);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
864 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
865 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
866
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
867 if (!NILP (prev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
868 XCDR (prev) = last_tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
869
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
870 unbind_to (sdep);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
871 RETURN_UNGCPRO (val);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
872 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
873
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
874 DEFUN ("copy-alist", Fcopy_alist, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
875 Return a copy of ALIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
876 This is an alist which represents the same mapping from objects to objects,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
877 but does not share the alist structure with ALIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
878 The objects mapped (cars and cdrs of elements of the alist)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
879 are shared, however.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
880 Elements of ALIST that are not conses are also shared.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
881 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
882 (alist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
883 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
884 Lisp_Object tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
885
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
886 if (NILP (alist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
887 return alist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
888 CHECK_CONS (alist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
889
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
890 alist = concat (1, &alist, c_cons, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
891 for (tail = alist; CONSP (tail); tail = XCDR (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
892 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
893 Lisp_Object car = XCAR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
894
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
895 if (CONSP (car))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
896 XCAR (tail) = Fcons (XCAR (car), XCDR (car));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
897 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
898 return alist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
899 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
900
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
901 DEFUN ("copy-tree", Fcopy_tree, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
902 Return a copy of a list and substructures.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
903 The argument is copied, and any lists contained within it are copied
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
904 recursively. Circularities and shared substructures are not preserved.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
905 Second arg VECP causes vectors to be copied, too. Strings and bit vectors
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
906 are not copied.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
907 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
908 (arg, vecp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
909 {
454
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
910 return safe_copy_tree (arg, vecp, 0);
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
911 }
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
912
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
913 Lisp_Object
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
914 safe_copy_tree (Lisp_Object arg, Lisp_Object vecp, int depth)
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
915 {
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
916 if (depth > 200)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
917 stack_overflow ("Stack overflow in copy-tree", arg);
454
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
918
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
919 if (CONSP (arg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
920 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
921 Lisp_Object rest;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
922 rest = arg = Fcopy_sequence (arg);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
923 while (CONSP (rest))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
924 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
925 Lisp_Object elt = XCAR (rest);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
926 QUIT;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
927 if (CONSP (elt) || VECTORP (elt))
454
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
928 XCAR (rest) = safe_copy_tree (elt, vecp, depth + 1);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
929 if (VECTORP (XCDR (rest))) /* hack for (a b . [c d]) */
454
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
930 XCDR (rest) = safe_copy_tree (XCDR (rest), vecp, depth +1);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
931 rest = XCDR (rest);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
932 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
933 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
934 else if (VECTORP (arg) && ! NILP (vecp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
935 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
936 int i = XVECTOR_LENGTH (arg);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
937 int j;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
938 arg = Fcopy_sequence (arg);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
939 for (j = 0; j < i; j++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
940 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
941 Lisp_Object elt = XVECTOR_DATA (arg) [j];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
942 QUIT;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
943 if (CONSP (elt) || VECTORP (elt))
454
d7a9135ec789 Import from CVS: tag r21-2-42
cvs
parents: 444
diff changeset
944 XVECTOR_DATA (arg) [j] = safe_copy_tree (elt, vecp, depth + 1);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
945 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
946 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
947 return arg;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
948 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
949
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
950 DEFUN ("substring", Fsubstring, 2, 3, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
951 Return the substring of STRING starting at START and ending before END.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
952 END may be nil or omitted; then the substring runs to the end of STRING.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
953 If START or END is negative, it counts from the end.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
954 Relevant parts of the string-extent-data are copied to the new string.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
955 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
956 (string, start, end))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
957 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
958 Charcount ccstart, ccend;
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
959 Bytecount bstart, blen;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
960 Lisp_Object val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
961
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
962 CHECK_STRING (string);
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
963 CHECK_INT (start);
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
964 get_string_range_char (string, start, end, &ccstart, &ccend,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
965 GB_HISTORICAL_STRING_BEHAVIOR);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
966 bstart = string_index_char_to_byte (string, ccstart);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
967 blen = string_offset_char_to_byte_len (string, bstart, ccend - ccstart);
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
968 val = make_string (XSTRING_DATA (string) + bstart, blen);
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
969 /* Copy any applicable extent information into the new string. */
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
970 copy_string_extents (val, string, 0, bstart, blen);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
971 return val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
972 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
973
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
974 DEFUN ("subseq", Fsubseq, 2, 3, 0, /*
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
975 Return the subsequence of SEQUENCE starting at START and ending before END.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
976 END may be omitted; then the subsequence runs to the end of SEQUENCE.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
977 If START or END is negative, it counts from the end.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
978 The returned subsequence is always of the same type as SEQUENCE.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
979 If SEQUENCE is a string, relevant parts of the string-extent-data
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
980 are copied to the new string.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
981 */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
982 (sequence, start, end))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
983 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
984 EMACS_INT len, s, e;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
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
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
988 if (STRINGP (sequence))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
989 return Fsubstring (sequence, start, end);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
990
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
991 len = XINT (Flength (sequence));
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
992
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
993 CHECK_INT (start);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
994 s = XINT (start);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
995 if (s < 0)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
996 s = len + s;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
997
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
998 if (NILP (end))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
999 e = len;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1000 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1001 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1002 CHECK_INT (end);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1003 e = XINT (end);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1004 if (e < 0)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1005 e = len + e;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1006 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1007
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1008 if (!(0 <= s && s <= e && e <= len))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1009 args_out_of_range_3 (sequence, make_int (s), make_int (e));
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1010
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1011 if (VECTORP (sequence))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1012 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1013 Lisp_Object result = make_vector (e - s, Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1014 EMACS_INT i;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1015 Lisp_Object *in_elts = XVECTOR_DATA (sequence);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1016 Lisp_Object *out_elts = XVECTOR_DATA (result);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1017
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1018 for (i = s; i < e; i++)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1019 out_elts[i - s] = in_elts[i];
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1020 return result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1021 }
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1022 else if (LISTP (sequence))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1023 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1024 Lisp_Object result = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1025 EMACS_INT i;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1026
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1027 sequence = Fnthcdr (make_int (s), sequence);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1028
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1029 for (i = s; i < e; i++)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1030 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1031 result = Fcons (Fcar (sequence), result);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1032 sequence = Fcdr (sequence);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1033 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1034
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1035 return Fnreverse (result);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1036 }
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1037 else if (BIT_VECTORP (sequence))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1038 {
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1039 Lisp_Object result = make_bit_vector (e - s, Qzero);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1040 EMACS_INT i;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1041
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1042 for (i = s; i < e; i++)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1043 set_bit_vector_bit (XBIT_VECTOR (result), i - s,
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1044 bit_vector_bit (XBIT_VECTOR (sequence), i));
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1045 return result;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1046 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1047 else
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
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
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1051 return Qnil;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
1052 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1053 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1054
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1055 /* Split STRING into a list of substrings. The substrings are the
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1056 parts of original STRING separated by SEPCHAR. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1057 static Lisp_Object
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1058 split_string_by_ichar_1 (const Ibyte *string, Bytecount size,
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1059 Ichar sepchar)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1060 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1061 Lisp_Object result = Qnil;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1062 const Ibyte *end = string + size;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1063
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1064 while (1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1065 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1066 const Ibyte *p = string;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1067 while (p < end)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1068 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1069 if (itext_ichar (p) == sepchar)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1070 break;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1071 INC_IBYTEPTR (p);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1072 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1073 result = Fcons (make_string (string, p - string), result);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1074 if (p < end)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1075 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1076 string = p;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1077 INC_IBYTEPTR (string); /* skip sepchar */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1078 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1079 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1080 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1081 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1082 return Fnreverse (result);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1083 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1084
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1085 /* The same as the above, except PATH is an external C string (it is
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1086 converted using Qfile_name), and sepchar is hardcoded to SEPCHAR
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1087 (':' or whatever). */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1088 Lisp_Object
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1089 split_external_path (const Extbyte *path)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1090 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1091 Bytecount newlen;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1092 Ibyte *newpath;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1093 if (!path)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1094 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1095
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1096 TO_INTERNAL_FORMAT (C_STRING, path, ALLOCA, (newpath, newlen), Qfile_name);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1097
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1098 /* #### Does this make sense? It certainly does for
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1099 split_env_path(), but it looks dubious here. Does any code
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1100 depend on split_external_path("") returning nil instead of an empty
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1101 string? */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1102 if (!newlen)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1103 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1104
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1105 return split_string_by_ichar_1 (newpath, newlen, SEPCHAR);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1106 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1107
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1108 Lisp_Object
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1109 split_env_path (const CIbyte *evarname, const Ibyte *default_)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1110 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1111 const Ibyte *path = 0;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1112 if (evarname)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1113 path = egetenv (evarname);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1114 if (!path)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1115 path = default_;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1116 if (!path)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1117 return Qnil;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1118 return split_string_by_ichar_1 (path, qxestrlen (path), SEPCHAR);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1119 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1120
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1121 /* Ben thinks this function should not exist or be exported to Lisp.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1122 We use it to define split-path-string in subr.el (not!). */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1123
949
7a35465d73bc [xemacs-hg @ 2002-08-02 15:15:42 by youngs]
youngs
parents: 934
diff changeset
1124 DEFUN ("split-string-by-char", Fsplit_string_by_char, 2, 2, 0, /*
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1125 Split STRING into a list of substrings originally separated by SEPCHAR.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1126 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1127 (string, sepchar))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1128 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1129 CHECK_STRING (string);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1130 CHECK_CHAR (sepchar);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1131 return split_string_by_ichar_1 (XSTRING_DATA (string),
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1132 XSTRING_LENGTH (string),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1133 XCHAR (sepchar));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1134 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1135
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1136 /* #### This was supposed to be in subr.el, but is used VERY early in
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1137 the bootstrap process, so it goes here. Damn. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1138
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1139 DEFUN ("split-path", Fsplit_path, 1, 1, 0, /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1140 Explode a search path into a list of strings.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1141 The path components are separated with the characters specified
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1142 with `path-separator'.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1143 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1144 (path))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1145 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1146 CHECK_STRING (path);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1147
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1148 while (!STRINGP (Vpath_separator)
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
1149 || (string_char_length (Vpath_separator) != 1))
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1150 Vpath_separator = signal_continuable_error
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1151 (Qinvalid_state,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1152 "`path-separator' should be set to a single-character string",
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1153 Vpath_separator);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1154
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1155 return (split_string_by_ichar_1
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1156 (XSTRING_DATA (path), XSTRING_LENGTH (path),
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
1157 itext_ichar (XSTRING_DATA (Vpath_separator))));
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1158 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1159
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1160
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1161 DEFUN ("nthcdr", Fnthcdr, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1162 Take cdr N times on LIST, and return the result.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1163 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1164 (n, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1165 {
1920
c66036f59678 [xemacs-hg @ 2004-02-20 07:29:16 by stephent]
stephent
parents: 1849
diff changeset
1166 /* This function can GC */
647
b39c14581166 [xemacs-hg @ 2001-08-13 04:45:47 by ben]
ben
parents: 578
diff changeset
1167 REGISTER EMACS_INT i;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1168 REGISTER Lisp_Object tail = list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1169 CHECK_NATNUM (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1170 for (i = XINT (n); i; i--)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1171 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1172 if (CONSP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1173 tail = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1174 else if (NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1175 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1176 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1177 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1178 tail = wrong_type_argument (Qlistp, tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1179 i++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1180 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1181 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1182 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1183 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1184
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1185 DEFUN ("nth", Fnth, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1186 Return the Nth element of LIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1187 N counts from zero. If LIST is not that long, nil is returned.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1188 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1189 (n, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1190 {
1920
c66036f59678 [xemacs-hg @ 2004-02-20 07:29:16 by stephent]
stephent
parents: 1849
diff changeset
1191 /* This function can GC */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1192 return Fcar (Fnthcdr (n, list));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1193 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1194
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1195 DEFUN ("elt", Felt, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1196 Return element of SEQUENCE at index N.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1197 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1198 (sequence, n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1199 {
1920
c66036f59678 [xemacs-hg @ 2004-02-20 07:29:16 by stephent]
stephent
parents: 1849
diff changeset
1200 /* This function can GC */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1201 retry:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1202 CHECK_INT_COERCE_CHAR (n); /* yuck! */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1203 if (LISTP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1204 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1205 Lisp_Object tem = Fnthcdr (n, sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1206 /* #### Utterly, completely, fucking disgusting.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1207 * #### The whole point of "elt" is that it operates on
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1208 * #### sequences, and does error- (bounds-) checking.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1209 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1210 if (CONSP (tem))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1211 return XCAR (tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1212 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1213 #if 1
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1214 /* This is The Way It Has Always Been. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1215 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1216 #else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1217 /* This is The Way Mly and Cltl2 say It Should Be. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1218 args_out_of_range (sequence, n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1219 #endif
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1220 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1221 else if (STRINGP (sequence) ||
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1222 VECTORP (sequence) ||
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1223 BIT_VECTORP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1224 return Faref (sequence, n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1225 #ifdef LOSING_BYTECODE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1226 else if (COMPILED_FUNCTIONP (sequence))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1227 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1228 EMACS_INT idx = XINT (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1229 if (idx < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1230 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1231 lose:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1232 args_out_of_range (sequence, n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1233 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1234 /* Utter perversity */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1235 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1236 Lisp_Compiled_Function *f = XCOMPILED_FUNCTION (sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1237 switch (idx)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1238 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1239 case COMPILED_ARGLIST:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1240 return compiled_function_arglist (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1241 case COMPILED_INSTRUCTIONS:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1242 return compiled_function_instructions (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1243 case COMPILED_CONSTANTS:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1244 return compiled_function_constants (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1245 case COMPILED_STACK_DEPTH:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1246 return compiled_function_stack_depth (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1247 case COMPILED_DOC_STRING:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1248 return compiled_function_documentation (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1249 case COMPILED_DOMAIN:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1250 return compiled_function_domain (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1251 case COMPILED_INTERACTIVE:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1252 if (f->flags.interactivep)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1253 return compiled_function_interactive (f);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1254 /* if we return nil, can't tell interactive with no args
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1255 from noninteractive. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1256 goto lose;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1257 default:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1258 goto lose;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1259 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1260 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1261 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1262 #endif /* LOSING_BYTECODE */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1263 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1264 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1265 check_losing_bytecode ("elt", sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1266 sequence = wrong_type_argument (Qsequencep, sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1267 goto retry;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1268 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1269 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1270
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1271 DEFUN ("last", Flast, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1272 Return the tail of list LIST, of length N (default 1).
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1273 LIST may be a dotted list, but not a circular list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1274 Optional argument N must be a non-negative integer.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1275 If N is zero, then the atom that terminates the list is returned.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1276 If N is greater than the length of LIST, then LIST itself is returned.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1277 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1278 (list, n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1279 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1280 EMACS_INT int_n, count;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1281 Lisp_Object retval, tortoise, hare;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1282
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1283 CHECK_LIST (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1284
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1285 if (NILP (n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1286 int_n = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1287 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1288 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1289 CHECK_NATNUM (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1290 int_n = XINT (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1291 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1292
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1293 for (retval = tortoise = hare = list, count = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1294 CONSP (hare);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1295 hare = XCDR (hare),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1296 (int_n-- <= 0 ? ((void) (retval = XCDR (retval))) : (void)0),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1297 count++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1298 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1299 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1300
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1301 if (count & 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1302 tortoise = XCDR (tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1303 if (EQ (hare, tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1304 signal_circular_list_error (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1305 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1306
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1307 return retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1308 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1309
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1310 DEFUN ("nbutlast", Fnbutlast, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1311 Modify LIST to remove the last N (default 1) elements.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1312 If LIST has N or fewer elements, nil is returned and LIST is unmodified.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1313 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1314 (list, n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1315 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1316 EMACS_INT int_n;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1317
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1318 CHECK_LIST (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1319
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1320 if (NILP (n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1321 int_n = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1322 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1323 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1324 CHECK_NATNUM (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1325 int_n = XINT (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1326 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1327
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1328 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1329 Lisp_Object last_cons = list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1330
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1331 EXTERNAL_LIST_LOOP_1 (list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1332 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1333 if (int_n-- < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1334 last_cons = XCDR (last_cons);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1335 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1336
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1337 if (int_n >= 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1338 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1339
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1340 XCDR (last_cons) = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1341 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1342 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1343 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1344
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1345 DEFUN ("butlast", Fbutlast, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1346 Return a copy of LIST with the last N (default 1) elements removed.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1347 If LIST has N or fewer elements, nil is returned.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1348 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1349 (list, n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1350 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1351 EMACS_INT int_n;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1352
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1353 CHECK_LIST (list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1354
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1355 if (NILP (n))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1356 int_n = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1357 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1358 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1359 CHECK_NATNUM (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1360 int_n = XINT (n);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1361 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1362
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1363 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1364 Lisp_Object retval = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1365 Lisp_Object tail = list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1366
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1367 EXTERNAL_LIST_LOOP_1 (list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1368 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1369 if (--int_n < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1370 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1371 retval = Fcons (XCAR (tail), retval);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1372 tail = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1373 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1374 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1375
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1376 return Fnreverse (retval);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1377 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1378 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1379
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1380 DEFUN ("member", Fmember, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1381 Return non-nil if ELT is an element of LIST. Comparison done with `equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1382 The value is actually the tail of LIST whose car is ELT.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1383 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1384 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1385 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1386 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1387 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1388 if (internal_equal (elt, list_elt, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1389 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1390 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1391 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1392 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1393
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1394 DEFUN ("old-member", Fold_member, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1395 Return non-nil if ELT is an element of LIST. Comparison done with `old-equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1396 The value is actually the tail of LIST whose car is ELT.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1397 This function is provided only for byte-code compatibility with v19.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1398 Do not use it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1399 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1400 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1401 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1402 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1403 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1404 if (internal_old_equal (elt, list_elt, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1405 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1406 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1407 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1408 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1409
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1410 DEFUN ("memq", Fmemq, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1411 Return non-nil if ELT is an element of LIST. Comparison done with `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1412 The value is actually the tail of LIST whose car is ELT.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1413 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1414 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1415 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1416 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1417 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1418 if (EQ_WITH_EBOLA_NOTICE (elt, list_elt))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1419 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1420 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1421 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1422 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1423
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1424 DEFUN ("old-memq", Fold_memq, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1425 Return non-nil if ELT is an element of LIST. Comparison done with `old-eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1426 The value is actually the tail of LIST whose car is ELT.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1427 This function is provided only for byte-code compatibility with v19.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1428 Do not use it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1429 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1430 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1431 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1432 EXTERNAL_LIST_LOOP_3 (list_elt, list, tail)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1433 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1434 if (HACKEQ_UNSAFE (elt, list_elt))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1435 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1436 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1437 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1438 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1439
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1440 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1441 memq_no_quit (Lisp_Object elt, Lisp_Object list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1442 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1443 LIST_LOOP_3 (list_elt, list, tail)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1444 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1445 if (EQ_WITH_EBOLA_NOTICE (elt, list_elt))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1446 return tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1447 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1448 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1449 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1450
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1451 DEFUN ("assoc", Fassoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1452 Return non-nil if KEY is `equal' to the car of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1453 The value is actually the element of ALIST whose car equals KEY.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1454 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1455 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1456 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1457 /* This function can GC. */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1458 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1459 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1460 if (internal_equal (key, elt_car, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1461 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1462 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1463 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1464 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1465
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1466 DEFUN ("old-assoc", Fold_assoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1467 Return non-nil if KEY is `old-equal' to the car of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1468 The value is actually the element of ALIST whose car equals KEY.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1469 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1470 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1471 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1472 /* This function can GC. */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1473 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1474 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1475 if (internal_old_equal (key, elt_car, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1476 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1477 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1478 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1479 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1480
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1481 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1482 assoc_no_quit (Lisp_Object key, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1483 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1484 int speccount = specpdl_depth ();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1485 specbind (Qinhibit_quit, Qt);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1486 return unbind_to_1 (speccount, Fassoc (key, alist));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1487 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1488
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1489 DEFUN ("assq", Fassq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1490 Return non-nil if KEY is `eq' to the car of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1491 The value is actually the element of ALIST whose car is KEY.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1492 Elements of ALIST that are not conses are ignored.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1493 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1494 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1495 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1496 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1497 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1498 if (EQ_WITH_EBOLA_NOTICE (key, elt_car))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1499 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1500 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1501 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1502 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1503
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1504 DEFUN ("old-assq", Fold_assq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1505 Return non-nil if KEY is `old-eq' to the car of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1506 The value is actually the element of ALIST whose car is KEY.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1507 Elements of ALIST that are not conses are ignored.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1508 This function is provided only for byte-code compatibility with v19.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1509 Do not use it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1510 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1511 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1512 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1513 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1514 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1515 if (HACKEQ_UNSAFE (key, elt_car))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1516 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1517 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1518 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1519 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1520
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1521 /* Like Fassq but never report an error and do not allow quits.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1522 Use only on lists known never to be circular. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1523
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1524 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1525 assq_no_quit (Lisp_Object key, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1526 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1527 /* This cannot GC. */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1528 LIST_LOOP_2 (elt, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1529 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1530 Lisp_Object elt_car = XCAR (elt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1531 if (EQ_WITH_EBOLA_NOTICE (key, elt_car))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1532 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1533 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1534 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1535 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1536
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1537 DEFUN ("rassoc", Frassoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1538 Return non-nil if VALUE is `equal' to the cdr of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1539 The value is actually the element of ALIST whose cdr equals VALUE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1540 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1541 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1542 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1543 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1544 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1545 if (internal_equal (value, elt_cdr, 0))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1546 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1547 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1548 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1549 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1550
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1551 DEFUN ("old-rassoc", Fold_rassoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1552 Return non-nil if VALUE is `old-equal' to the cdr of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1553 The value is actually the element of ALIST whose cdr equals VALUE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1554 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1555 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1556 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1557 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1558 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1559 if (internal_old_equal (value, elt_cdr, 0))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1560 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1561 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1562 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1563 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1564
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1565 DEFUN ("rassq", Frassq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1566 Return non-nil if VALUE is `eq' to the cdr of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1567 The value is actually the element of ALIST whose cdr is VALUE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1568 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1569 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1570 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1571 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1572 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1573 if (EQ_WITH_EBOLA_NOTICE (value, elt_cdr))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1574 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1575 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1576 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1577 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1578
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1579 DEFUN ("old-rassq", Fold_rassq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1580 Return non-nil if VALUE is `old-eq' to the cdr of an element of ALIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1581 The value is actually the element of ALIST whose cdr is VALUE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1582 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1583 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1584 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1585 EXTERNAL_ALIST_LOOP_4 (elt, elt_car, elt_cdr, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1586 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1587 if (HACKEQ_UNSAFE (value, elt_cdr))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1588 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1589 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1590 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1591 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1592
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1593 /* Like Frassq, but caller must ensure that ALIST is properly
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1594 nil-terminated and ebola-free. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1595 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1596 rassq_no_quit (Lisp_Object value, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1597 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1598 LIST_LOOP_2 (elt, alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1599 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1600 Lisp_Object elt_cdr = XCDR (elt);
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1601 if (EQ_WITH_EBOLA_NOTICE (value, elt_cdr))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1602 return elt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1603 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1604 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1605 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1606
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1607
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1608 DEFUN ("delete", Fdelete, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1609 Delete by side effect any occurrences of ELT as a member of LIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1610 The modified LIST is returned. Comparison is done with `equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1611 If the first member of LIST is ELT, there is no way to remove it by side
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1612 effect; therefore, write `(setq foo (delete element foo))' to be sure
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1613 of changing the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1614 Also see: `remove'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1615 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1616 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1617 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1618 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1619 (internal_equal (elt, list_elt, 0)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1620 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1621 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1622
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1623 DEFUN ("old-delete", Fold_delete, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1624 Delete by side effect any occurrences of ELT as a member of LIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1625 The modified LIST is returned. Comparison is done with `old-equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1626 If the first member of LIST is ELT, there is no way to remove it by side
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1627 effect; therefore, write `(setq foo (old-delete element foo))' to be sure
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1628 of changing the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1629 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1630 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1631 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1632 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1633 (internal_old_equal (elt, list_elt, 0)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1634 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1635 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1636
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1637 DEFUN ("delq", Fdelq, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1638 Delete by side effect any occurrences of ELT as a member of LIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1639 The modified LIST is returned. Comparison is done with `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1640 If the first member of LIST is ELT, there is no way to remove it by side
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1641 effect; therefore, write `(setq foo (delq element foo))' to be sure of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1642 changing the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1643 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1644 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1645 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1646 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1647 (EQ_WITH_EBOLA_NOTICE (elt, list_elt)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1648 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1649 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1650
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1651 DEFUN ("old-delq", Fold_delq, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1652 Delete by side effect any occurrences of ELT as a member of LIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1653 The modified LIST is returned. Comparison is done with `old-eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1654 If the first member of LIST is ELT, there is no way to remove it by side
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1655 effect; therefore, write `(setq foo (old-delq element foo))' to be sure of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1656 changing the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1657 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1658 (elt, list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1659 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1660 EXTERNAL_LIST_LOOP_DELETE_IF (list_elt, list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1661 (HACKEQ_UNSAFE (elt, list_elt)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1662 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1663 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1664
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1665 /* Like Fdelq, but caller must ensure that LIST is properly
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1666 nil-terminated and ebola-free. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1667
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1668 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1669 delq_no_quit (Lisp_Object elt, Lisp_Object list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1670 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1671 LIST_LOOP_DELETE_IF (list_elt, list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1672 (EQ_WITH_EBOLA_NOTICE (elt, list_elt)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1673 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1674 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1675
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1676 /* Be VERY careful with this. This is like delq_no_quit() but
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1677 also calls free_cons() on the removed conses. You must be SURE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1678 that no pointers to the freed conses remain around (e.g.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1679 someone else is pointing to part of the list). This function
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1680 is useful on internal lists that are used frequently and where
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1681 the actual list doesn't escape beyond known code bounds. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1682
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1683 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1684 delq_no_quit_and_free_cons (Lisp_Object elt, Lisp_Object list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1685 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1686 REGISTER Lisp_Object tail = list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1687 REGISTER Lisp_Object prev = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1688
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1689 while (!NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1690 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1691 REGISTER Lisp_Object tem = XCAR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1692 if (EQ (elt, tem))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1693 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1694 Lisp_Object cons_to_free = tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1695 if (NILP (prev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1696 list = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1697 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1698 XCDR (prev) = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1699 tail = XCDR (tail);
853
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
1700 free_cons (cons_to_free);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1701 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1702 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1703 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1704 prev = tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1705 tail = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1706 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1707 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1708 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1709 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1710
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1711 DEFUN ("remassoc", Fremassoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1712 Delete by side effect any elements of ALIST whose car is `equal' to KEY.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1713 The modified ALIST is returned. If the first member of ALIST has a car
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1714 that is `equal' to KEY, there is no way to remove it by side effect;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1715 therefore, write `(setq foo (remassoc key foo))' to be sure of changing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1716 the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1717 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1718 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1719 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1720 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1721 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1722 internal_equal (key, XCAR (elt), 0)));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1723 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1724 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1725
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1726 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1727 remassoc_no_quit (Lisp_Object key, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1728 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1729 int speccount = specpdl_depth ();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1730 specbind (Qinhibit_quit, Qt);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1731 return unbind_to_1 (speccount, Fremassoc (key, alist));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1732 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1733
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1734 DEFUN ("remassq", Fremassq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1735 Delete by side effect any elements of ALIST whose car is `eq' to KEY.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1736 The modified ALIST is returned. If the first member of ALIST has a car
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1737 that is `eq' to KEY, there is no way to remove it by side effect;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1738 therefore, write `(setq foo (remassq key foo))' to be sure of changing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1739 the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1740 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1741 (key, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1742 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1743 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1744 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1745 EQ_WITH_EBOLA_NOTICE (key, XCAR (elt))));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1746 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1747 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1748
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1749 /* no quit, no errors; be careful */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1750
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1751 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1752 remassq_no_quit (Lisp_Object key, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1753 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1754 LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1755 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1756 EQ_WITH_EBOLA_NOTICE (key, XCAR (elt))));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1757 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1758 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1759
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1760 DEFUN ("remrassoc", Fremrassoc, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1761 Delete by side effect any elements of ALIST whose cdr is `equal' to VALUE.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1762 The modified ALIST is returned. If the first member of ALIST has a car
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1763 that is `equal' to VALUE, there is no way to remove it by side effect;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1764 therefore, write `(setq foo (remrassoc value foo))' to be sure of changing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1765 the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1766 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1767 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1768 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1769 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1770 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1771 internal_equal (value, XCDR (elt), 0)));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1772 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1773 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1774
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1775 DEFUN ("remrassq", Fremrassq, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1776 Delete by side effect any elements of ALIST whose cdr is `eq' to VALUE.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1777 The modified ALIST is returned. If the first member of ALIST has a car
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1778 that is `eq' to VALUE, there is no way to remove it by side effect;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1779 therefore, write `(setq foo (remrassq value foo))' to be sure of changing
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1780 the value of `foo'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1781 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1782 (value, alist))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1783 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1784 EXTERNAL_LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1785 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1786 EQ_WITH_EBOLA_NOTICE (value, XCDR (elt))));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1787 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1788 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1789
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1790 /* Like Fremrassq, fast and unsafe; be careful */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1791 Lisp_Object
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1792 remrassq_no_quit (Lisp_Object value, Lisp_Object alist)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1793 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1794 LIST_LOOP_DELETE_IF (elt, alist,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1795 (CONSP (elt) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1796 EQ_WITH_EBOLA_NOTICE (value, XCDR (elt))));
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1797 return alist;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1798 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1799
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1800 DEFUN ("nreverse", Fnreverse, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1801 Reverse LIST by destructively modifying cdr pointers.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1802 Return the beginning of the reversed list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1803 Also see: `reverse'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1804 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1805 (list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1806 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1807 struct gcpro gcpro1, gcpro2;
1849
21549d437f09 [xemacs-hg @ 2004-01-03 21:54:41 by james]
james
parents: 1261
diff changeset
1808 Lisp_Object prev = Qnil;
21549d437f09 [xemacs-hg @ 2004-01-03 21:54:41 by james]
james
parents: 1261
diff changeset
1809 Lisp_Object tail = list;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1810
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1811 /* We gcpro our args; see `nconc' */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1812 GCPRO2 (prev, tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1813 while (!NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1814 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1815 REGISTER Lisp_Object next;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1816 CONCHECK_CONS (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1817 next = XCDR (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1818 XCDR (tail) = prev;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1819 prev = tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1820 tail = next;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1821 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1822 UNGCPRO;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1823 return prev;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1824 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1825
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1826 DEFUN ("reverse", Freverse, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1827 Reverse LIST, copying. Return the beginning of the reversed list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1828 See also the function `nreverse', which is used more often.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1829 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1830 (list))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1831 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1832 Lisp_Object reversed_list = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1833 EXTERNAL_LIST_LOOP_2 (elt, list)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1834 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1835 reversed_list = Fcons (elt, reversed_list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1836 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1837 return reversed_list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1838 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1839
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1840 static Lisp_Object list_merge (Lisp_Object org_l1, Lisp_Object org_l2,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1841 Lisp_Object lisp_arg,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1842 int (*pred_fn) (Lisp_Object, Lisp_Object,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1843 Lisp_Object lisp_arg));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1844
872
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1845 /* The sort function should return > 0 if OBJ1 < OBJ2, < 0 otherwise.
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1846 NOTE: This is backwards from the way qsort() works. */
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1847
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1848 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1849 list_sort (Lisp_Object list,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1850 Lisp_Object lisp_arg,
872
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1851 int (*pred_fn) (Lisp_Object obj1, Lisp_Object obj2,
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1852 Lisp_Object lisp_arg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1853 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1854 struct gcpro gcpro1, gcpro2, gcpro3;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1855 Lisp_Object back, tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1856 Lisp_Object front = list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1857 Lisp_Object len = Flength (list);
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1858
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1859 if (XINT (len) < 2)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1860 return list;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1861
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1862 len = make_int (XINT (len) / 2 - 1);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1863 tem = Fnthcdr (len, list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1864 back = Fcdr (tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1865 Fsetcdr (tem, Qnil);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1866
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1867 GCPRO3 (front, back, lisp_arg);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1868 front = list_sort (front, lisp_arg, pred_fn);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1869 back = list_sort (back, lisp_arg, pred_fn);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1870 UNGCPRO;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1871 return list_merge (front, back, lisp_arg, pred_fn);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1872 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1873
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1874
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1875 static int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1876 merge_pred_function (Lisp_Object obj1, Lisp_Object obj2,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1877 Lisp_Object pred)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1878 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1879 Lisp_Object tmp;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1880
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1881 /* prevents the GC from happening in call2 */
853
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
1882 /* Emacs' GC doesn't actually relocate pointers, so this probably
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
1883 isn't strictly necessary */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1884 int speccount = begin_gc_forbidden ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1885 tmp = call2 (pred, obj1, obj2);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
1886 unbind_to (speccount);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1887
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1888 if (NILP (tmp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1889 return -1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1890 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1891 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1892 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1893
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1894 DEFUN ("sort", Fsort, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1895 Sort LIST, stably, comparing elements using PREDICATE.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1896 Returns the sorted list. LIST is modified by side effects.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1897 PREDICATE is called with two elements of LIST, and should return T
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1898 if the first element is "less" than the second.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1899 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1900 (list, predicate))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1901 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
1902 return list_sort (list, predicate, merge_pred_function);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1903 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1904
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1905 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1906 merge (Lisp_Object org_l1, Lisp_Object org_l2,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1907 Lisp_Object pred)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1908 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1909 return list_merge (org_l1, org_l2, pred, merge_pred_function);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1910 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1911
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1912
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1913 static Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1914 list_merge (Lisp_Object org_l1, Lisp_Object org_l2,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1915 Lisp_Object lisp_arg,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1916 int (*pred_fn) (Lisp_Object, Lisp_Object, Lisp_Object lisp_arg))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1917 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1918 Lisp_Object value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1919 Lisp_Object tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1920 Lisp_Object tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1921 Lisp_Object l1, l2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1922 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1923
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1924 l1 = org_l1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1925 l2 = org_l2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1926 tail = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1927 value = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1928
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1929 /* It is sufficient to protect org_l1 and org_l2.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1930 When l1 and l2 are updated, we copy the new values
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1931 back into the org_ vars. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1932
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1933 GCPRO4 (org_l1, org_l2, lisp_arg, value);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1934
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1935 while (1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1936 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1937 if (NILP (l1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1938 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1939 UNGCPRO;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1940 if (NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1941 return l2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1942 Fsetcdr (tail, l2);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1943 return value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1944 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1945 if (NILP (l2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1946 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1947 UNGCPRO;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1948 if (NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1949 return l1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1950 Fsetcdr (tail, l1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1951 return value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1952 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1953
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1954 if (((*pred_fn) (Fcar (l2), Fcar (l1), lisp_arg)) < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1955 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1956 tem = l1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1957 l1 = Fcdr (l1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1958 org_l1 = l1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1959 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1960 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1961 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1962 tem = l2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1963 l2 = Fcdr (l2);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1964 org_l2 = l2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1965 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1966 if (NILP (tail))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1967 value = tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1968 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1969 Fsetcdr (tail, tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1970 tail = tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1971 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1972 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1973
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1974
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1975 /************************************************************************/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1976 /* property-list functions */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1977 /************************************************************************/
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1978
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1979 /* For properties of text, we need to do order-insensitive comparison of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1980 plists. That is, we need to compare two plists such that they are the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1981 same if they have the same set of keys, and equivalent values.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1982 So (a 1 b 2) would be equal to (b 2 a 1).
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1983
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1984 NIL_MEANS_NOT_PRESENT is as in `plists-eq' etc.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1985 LAXP means use `equal' for comparisons.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1986 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1987 int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1988 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
1989 int laxp, int depth, int foldcase)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1990 {
438
84b14dcb0985 Import from CVS: tag r21-2-27
cvs
parents: 434
diff changeset
1991 int eqp = (depth == -1); /* -1 as depth means use eq, not equal. */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1992 int la, lb, m, i, fill;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1993 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
1994 Boolbyte *flags;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1995 Lisp_Object rest;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1996
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1997 if (NILP (a) && NILP (b))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1998 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
1999
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2000 Fcheck_valid_plist (a);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2001 Fcheck_valid_plist (b);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2002
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2003 la = XINT (Flength (a));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2004 lb = XINT (Flength (b));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2005 m = (la > lb ? la : lb);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2006 fill = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2007 keys = alloca_array (Lisp_Object, m);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2008 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
2009 flags = alloca_array (Boolbyte, m);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2010
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2011 /* First extract the pairs from A. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2012 for (rest = a; !NILP (rest); rest = XCDR (XCDR (rest)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2013 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2014 Lisp_Object k = XCAR (rest);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2015 Lisp_Object v = XCAR (XCDR (rest));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2016 /* Maybe be Ebolified. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2017 if (nil_means_not_present && NILP (v)) continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2018 keys [fill] = k;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2019 vals [fill] = v;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2020 flags[fill] = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2021 fill++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2022 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2023 /* Now iterate over B, and stop if we find something that's not in A,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2024 or that doesn't match. As we match, mark them. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2025 for (rest = b; !NILP (rest); rest = XCDR (XCDR (rest)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2026 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2027 Lisp_Object k = XCAR (rest);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2028 Lisp_Object v = XCAR (XCDR (rest));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2029 /* Maybe be Ebolified. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2030 if (nil_means_not_present && NILP (v)) continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2031 for (i = 0; i < fill; i++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2032 {
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2033 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
2034 internal_equal_0 (k, keys [i], depth, foldcase))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2035 {
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
2036 if (eqp
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
2037 /* We narrowly escaped being Ebolified here. */
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
2038 ? !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
2039 : !internal_equal_0 (v, vals [i], depth, foldcase))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2040 /* a property in B has a different value than in A */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2041 goto MISMATCH;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2042 flags [i] = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2043 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2044 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2045 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2046 if (i == fill)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2047 /* there are some properties in B that are not in A */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2048 goto MISMATCH;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2049 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2050 /* Now check to see that all the properties in A were also in B */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2051 for (i = 0; i < fill; i++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2052 if (flags [i] == 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2053 goto MISMATCH;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2054
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2055 /* Ok. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2056 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2057
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2058 MISMATCH:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2059 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2060 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2061
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2062 DEFUN ("plists-eq", Fplists_eq, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2063 Return non-nil if property lists A and B are `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2064 A property list is an alternating list of keywords and values.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2065 This function does order-insensitive comparisons of the property lists:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2066 For example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2067 Comparison between values is done using `eq'. See also `plists-equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2068 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2069 a nil value is ignored. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2070 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2071 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2072 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2073 (a, b, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2074 {
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2075 return (plists_differ (a, b, !NILP (nil_means_not_present), 0, -1, 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2076 ? Qnil : Qt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2077 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2078
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2079 DEFUN ("plists-equal", Fplists_equal, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2080 Return non-nil if property lists A and B are `equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2081 A property list is an alternating list of keywords and values. This
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2082 function does order-insensitive comparisons of the property lists: For
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2083 example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2084 Comparison between values is done using `equal'. See also `plists-eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2085 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2086 a nil value is ignored. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2087 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2088 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2089 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2090 (a, b, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2091 {
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2092 return (plists_differ (a, b, !NILP (nil_means_not_present), 0, 1, 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2093 ? Qnil : Qt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2094 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2095
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2096
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2097 DEFUN ("lax-plists-eq", Flax_plists_eq, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2098 Return non-nil if lax property lists A and B are `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2099 A property list is an alternating list of keywords and values.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2100 This function does order-insensitive comparisons of the property lists:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2101 For example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2102 Comparison between values is done using `eq'. See also `plists-equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2103 A lax property list is like a regular one except that comparisons between
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2104 keywords is done using `equal' instead of `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2105 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2106 a nil value is ignored. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2107 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2108 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2109 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2110 (a, b, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2111 {
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2112 return (plists_differ (a, b, !NILP (nil_means_not_present), 1, -1, 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2113 ? Qnil : Qt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2114 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2115
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2116 DEFUN ("lax-plists-equal", Flax_plists_equal, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2117 Return non-nil if lax property lists A and B are `equal'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2118 A property list is an alternating list of keywords and values. This
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2119 function does order-insensitive comparisons of the property lists: For
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2120 example, the property lists '(a 1 b 2) and '(b 2 a 1) are equal.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2121 Comparison between values is done using `equal'. See also `plists-eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2122 A lax property list is like a regular one except that comparisons between
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2123 keywords is done using `equal' instead of `eq'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2124 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2125 a nil value is ignored. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2126 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2127 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2128 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2129 (a, b, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2130 {
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2131 return (plists_differ (a, b, !NILP (nil_means_not_present), 1, 1, 0)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2132 ? Qnil : Qt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2133 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2134
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2135 /* Return the value associated with key PROPERTY in property list PLIST.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2136 Return nil if key not found. This function is used for internal
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2137 property lists that cannot be directly manipulated by the user.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2138 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2139
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2140 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2141 internal_plist_get (Lisp_Object plist, Lisp_Object property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2142 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2143 Lisp_Object tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2144
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2145 for (tail = plist; !NILP (tail); tail = XCDR (XCDR (tail)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2146 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2147 if (EQ (XCAR (tail), property))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2148 return XCAR (XCDR (tail));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2149 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2150
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2151 return Qunbound;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2152 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2153
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2154 /* Set PLIST's value for PROPERTY to VALUE. Analogous to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2155 internal_plist_get(). */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2156
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2157 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2158 internal_plist_put (Lisp_Object *plist, Lisp_Object property,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2159 Lisp_Object value)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2160 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2161 Lisp_Object tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2162
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2163 for (tail = *plist; !NILP (tail); tail = XCDR (XCDR (tail)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2164 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2165 if (EQ (XCAR (tail), property))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2166 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2167 XCAR (XCDR (tail)) = value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2168 return;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2169 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2170 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2171
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2172 *plist = Fcons (property, Fcons (value, *plist));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2173 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2174
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2175 int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2176 internal_remprop (Lisp_Object *plist, Lisp_Object property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2177 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2178 Lisp_Object tail, prev;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2179
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2180 for (tail = *plist, prev = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2181 !NILP (tail);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2182 tail = XCDR (XCDR (tail)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2183 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2184 if (EQ (XCAR (tail), property))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2185 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2186 if (NILP (prev))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2187 *plist = XCDR (XCDR (tail));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2188 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2189 XCDR (XCDR (prev)) = XCDR (XCDR (tail));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2190 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2191 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2192 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2193 prev = tail;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2194 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2195
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2196 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2197 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2198
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2199 /* Called on a malformed property list. BADPLACE should be some
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2200 place where truncating will form a good list -- i.e. we shouldn't
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2201 result in a list with an odd length. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2202
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2203 static Lisp_Object
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2204 bad_bad_bunny (Lisp_Object *plist, Lisp_Object *badplace, Error_Behavior errb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2205 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2206 if (ERRB_EQ (errb, ERROR_ME))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2207 return Fsignal (Qmalformed_property_list, list2 (*plist, *badplace));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2208 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2209 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2210 if (ERRB_EQ (errb, ERROR_ME_WARN))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2211 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2212 warn_when_safe_lispobj
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2213 (Qlist, Qwarning,
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
2214 list2 (build_msg_string
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2215 ("Malformed property list -- list has been truncated"),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2216 *plist));
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2217 /* #### WARNING: This is more dangerous than it seems; perhaps
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2218 not a good idea. It also violates the principle of least
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2219 surprise -- passing in ERROR_ME_WARN causes truncation, but
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2220 ERROR_ME and ERROR_ME_NOT don't. */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2221 *badplace = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2222 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2223 return Qunbound;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2224 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2225 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2226
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2227 /* Called on a circular property list. BADPLACE should be some place
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2228 where truncating will result in an even-length list, as above.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2229 If doesn't particularly matter where we truncate -- anywhere we
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2230 truncate along the entire list will break the circularity, because
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2231 it will create a terminus and the list currently doesn't have one.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2232 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2233
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2234 static Lisp_Object
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2235 bad_bad_turtle (Lisp_Object *plist, Lisp_Object *badplace, Error_Behavior errb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2236 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2237 if (ERRB_EQ (errb, ERROR_ME))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2238 return Fsignal (Qcircular_property_list, list1 (*plist));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2239 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2240 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2241 if (ERRB_EQ (errb, ERROR_ME_WARN))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2242 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2243 warn_when_safe_lispobj
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2244 (Qlist, Qwarning,
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
2245 list2 (build_msg_string
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2246 ("Circular property list -- list has been truncated"),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2247 *plist));
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2248 /* #### WARNING: This is more dangerous than it seems; perhaps
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2249 not a good idea. It also violates the principle of least
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2250 surprise -- passing in ERROR_ME_WARN causes truncation, but
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
2251 ERROR_ME and ERROR_ME_NOT don't. */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2252 *badplace = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2253 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2254 return Qunbound;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2255 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2256 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2257
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2258 /* Advance the tortoise pointer by two (one iteration of a property-list
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2259 loop) and the hare pointer by four and verify that no malformations
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2260 or circularities exist. If so, return zero and store a value into
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2261 RETVAL that should be returned by the calling function. Otherwise,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2262 return 1. See external_plist_get().
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2263 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2264
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2265 static int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2266 advance_plist_pointers (Lisp_Object *plist,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2267 Lisp_Object **tortoise, Lisp_Object **hare,
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2268 Error_Behavior errb, Lisp_Object *retval)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2269 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2270 int i;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2271 Lisp_Object *tortsave = *tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2272
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2273 /* Note that our "fixing" may be more brutal than necessary,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2274 but it's the user's own problem, not ours, if they went in and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2275 manually fucked up a plist. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2276
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2277 for (i = 0; i < 2; i++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2278 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2279 /* This is a standard iteration of a defensive-loop-checking
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2280 loop. We just do it twice because we want to advance past
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2281 both the property and its value.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2282
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2283 If the pointer indirection is confusing you, remember that
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2284 one level of indirection on the hare and tortoise pointers
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2285 is only due to pass-by-reference for this function. The other
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2286 level is so that the plist can be fixed in place. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2287
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2288 /* When we reach the end of a well-formed plist, **HARE is
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2289 nil. In that case, we don't do anything at all except
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2290 advance TORTOISE by one. Otherwise, we advance HARE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2291 by two (making sure it's OK to do so), then advance
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2292 TORTOISE by one (it will always be OK to do so because
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2293 the HARE is always ahead of the TORTOISE and will have
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2294 already verified the path), then make sure TORTOISE and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2295 HARE don't contain the same non-nil object -- if the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2296 TORTOISE and the HARE ever meet, then obviously we're
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2297 in a circularity, and if we're in a circularity, then
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2298 the TORTOISE and the HARE can't cross paths without
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2299 meeting, since the HARE only gains one step over the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2300 TORTOISE per iteration. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2301
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2302 if (!NILP (**hare))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2303 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2304 Lisp_Object *haresave = *hare;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2305 if (!CONSP (**hare))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2306 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2307 *retval = bad_bad_bunny (plist, haresave, errb);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2308 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2309 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2310 *hare = &XCDR (**hare);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2311 /* In a non-plist, we'd check here for a nil value for
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2312 **HARE, which is OK (it just means the list has an
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2313 odd number of elements). In a plist, it's not OK
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2314 for the list to have an odd number of elements. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2315 if (!CONSP (**hare))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2316 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2317 *retval = bad_bad_bunny (plist, haresave, errb);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2318 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2319 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2320 *hare = &XCDR (**hare);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2321 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2322
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2323 *tortoise = &XCDR (**tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2324 if (!NILP (**hare) && EQ (**tortoise, **hare))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2325 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2326 *retval = bad_bad_turtle (plist, tortsave, errb);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2327 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2328 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2329 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2330
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2331 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2332 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2333
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2334 /* Return the value of PROPERTY from PLIST, or Qunbound if
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2335 property is not on the list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2336
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2337 PLIST is a Lisp-accessible property list, meaning that it
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2338 has to be checked for malformations and circularities.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2339
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2340 If ERRB is ERROR_ME, an error will be signalled. Otherwise, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2341 function will never signal an error; and if ERRB is ERROR_ME_WARN,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2342 on finding a malformation or a circularity, it issues a warning and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2343 attempts to silently fix the problem.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2344
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2345 A pointer to PLIST is passed in so that PLIST can be successfully
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2346 "fixed" even if the error is at the beginning of the plist. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2347
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2348 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2349 external_plist_get (Lisp_Object *plist, Lisp_Object property,
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2350 int laxp, Error_Behavior errb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2351 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2352 Lisp_Object *tortoise = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2353 Lisp_Object *hare = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2354
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2355 while (!NILP (*tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2356 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2357 Lisp_Object *tortsave = tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2358 Lisp_Object retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2359
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2360 /* We do the standard tortoise/hare march. We isolate the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2361 grungy stuff to do this in advance_plist_pointers(), though.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2362 To us, all this function does is advance the tortoise
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2363 pointer by two and the hare pointer by four and make sure
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2364 everything's OK. We first advance the pointers and then
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2365 check if a property matched; this ensures that our
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2366 check for a matching property is safe. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2367
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2368 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2369 return retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2370
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2371 if (!laxp ? EQ (XCAR (*tortsave), property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2372 : internal_equal (XCAR (*tortsave), property, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2373 return XCAR (XCDR (*tortsave));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2374 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2375
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2376 return Qunbound;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2377 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2378
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2379 /* Set PLIST's value for PROPERTY to VALUE, given a possibly
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2380 malformed or circular plist. Analogous to external_plist_get(). */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2381
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2382 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2383 external_plist_put (Lisp_Object *plist, Lisp_Object property,
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2384 Lisp_Object value, int laxp, Error_Behavior errb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2385 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2386 Lisp_Object *tortoise = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2387 Lisp_Object *hare = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2388
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2389 while (!NILP (*tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2390 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2391 Lisp_Object *tortsave = tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2392 Lisp_Object retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2393
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2394 /* See above */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2395 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2396 return;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2397
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2398 if (!laxp ? EQ (XCAR (*tortsave), property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2399 : internal_equal (XCAR (*tortsave), property, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2400 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2401 XCAR (XCDR (*tortsave)) = value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2402 return;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2403 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2404 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2405
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2406 *plist = Fcons (property, Fcons (value, *plist));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2407 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2408
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2409 int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2410 external_remprop (Lisp_Object *plist, Lisp_Object property,
578
190b164ddcac [xemacs-hg @ 2001-05-25 11:26:50 by ben]
ben
parents: 575
diff changeset
2411 int laxp, Error_Behavior errb)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2412 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2413 Lisp_Object *tortoise = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2414 Lisp_Object *hare = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2415
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2416 while (!NILP (*tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2417 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2418 Lisp_Object *tortsave = tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2419 Lisp_Object retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2420
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2421 /* See above */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2422 if (!advance_plist_pointers (plist, &tortoise, &hare, errb, &retval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2423 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2424
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2425 if (!laxp ? EQ (XCAR (*tortsave), property)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2426 : internal_equal (XCAR (*tortsave), property, 0))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2427 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2428 /* Now you see why it's so convenient to have that level
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2429 of indirection. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2430 *tortsave = XCDR (XCDR (*tortsave));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2431 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2432 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2433 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2434
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2435 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2436 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2437
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2438 DEFUN ("plist-get", Fplist_get, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2439 Extract a value from a property list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2440 PLIST is a property list, which is a list of the form
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2441 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...).
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2442 PROPERTY is usually a symbol.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2443 This function returns the value corresponding to the PROPERTY,
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2444 or DEFAULT if PROPERTY is not one of the properties on the list.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2445 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2446 (plist, property, default_))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2447 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2448 Lisp_Object value = external_plist_get (&plist, property, 0, ERROR_ME);
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2449 return UNBOUNDP (value) ? default_ : value;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2450 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2451
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2452 DEFUN ("plist-put", Fplist_put, 3, 3, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2453 Change value in PLIST of PROPERTY to VALUE.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2454 PLIST is a property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2455 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2 ...).
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2456 PROPERTY is usually a symbol and VALUE is any object.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2457 If PROPERTY is already a property on the list, its value is set to VALUE,
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2458 otherwise the new PROPERTY VALUE pair is added.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2459 The new plist is returned; use `(setq x (plist-put x property value))'
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2460 to be sure to use the new value. PLIST is modified by side effect.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2461 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2462 (plist, property, value))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2463 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2464 external_plist_put (&plist, property, value, 0, ERROR_ME);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2465 return plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2466 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2467
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2468 DEFUN ("plist-remprop", Fplist_remprop, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2469 Remove from PLIST the property PROPERTY and its value.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2470 PLIST is a property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2471 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2 ...).
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2472 PROPERTY is usually a symbol.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2473 The new plist is returned; use `(setq x (plist-remprop x property))'
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2474 to be sure to use the new value. PLIST is modified by side effect.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2475 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2476 (plist, property))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2477 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2478 external_remprop (&plist, property, 0, ERROR_ME);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2479 return plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2480 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2481
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2482 DEFUN ("plist-member", Fplist_member, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2483 Return t if PROPERTY has a value specified in PLIST.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2484 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2485 (plist, property))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2486 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2487 Lisp_Object value = Fplist_get (plist, property, Qunbound);
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2488 return UNBOUNDP (value) ? Qnil : Qt;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2489 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2490
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2491 DEFUN ("check-valid-plist", Fcheck_valid_plist, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2492 Given a plist, signal an error if there is anything wrong with it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2493 This means that it's a malformed or circular plist.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2494 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2495 (plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2496 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2497 Lisp_Object *tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2498 Lisp_Object *hare;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2499
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2500 start_over:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2501 tortoise = &plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2502 hare = &plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2503 while (!NILP (*tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2504 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2505 Lisp_Object retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2506
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2507 /* See above */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2508 if (!advance_plist_pointers (&plist, &tortoise, &hare, ERROR_ME,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2509 &retval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2510 goto start_over;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2511 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2512
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2513 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2514 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2515
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2516 DEFUN ("valid-plist-p", Fvalid_plist_p, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2517 Given a plist, return non-nil if its format is correct.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2518 If it returns nil, `check-valid-plist' will signal an error when given
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2519 the plist; that means it's a malformed or circular plist.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2520 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2521 (plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2522 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2523 Lisp_Object *tortoise;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2524 Lisp_Object *hare;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2525
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2526 tortoise = &plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2527 hare = &plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2528 while (!NILP (*tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2529 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2530 Lisp_Object retval;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2531
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2532 /* See above */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2533 if (!advance_plist_pointers (&plist, &tortoise, &hare, ERROR_ME_NOT,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2534 &retval))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2535 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2536 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2537
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2538 return Qt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2539 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2540
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2541 DEFUN ("canonicalize-plist", Fcanonicalize_plist, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2542 Destructively remove any duplicate entries from a plist.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2543 In such cases, the first entry applies.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2544
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2545 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2546 a nil value is removed. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2547 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2548 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2549
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2550 The new plist is returned. If NIL-MEANS-NOT-PRESENT is given, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2551 return value may not be EQ to the passed-in value, so make sure to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2552 `setq' the value back into where it came from.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2553 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2554 (plist, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2555 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2556 Lisp_Object head = plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2557
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2558 Fcheck_valid_plist (plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2559
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2560 while (!NILP (plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2561 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2562 Lisp_Object prop = Fcar (plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2563 Lisp_Object next = Fcdr (plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2564
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2565 CHECK_CONS (next); /* just make doubly sure we catch any errors */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2566 if (!NILP (nil_means_not_present) && NILP (Fcar (next)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2567 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2568 if (EQ (head, plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2569 head = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2570 plist = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2571 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2572 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2573 /* external_remprop returns 1 if it removed any property.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2574 We have to loop till it didn't remove anything, in case
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2575 the property occurs many times. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2576 while (external_remprop (&XCDR (next), prop, 0, ERROR_ME))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2577 DO_NOTHING;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2578 plist = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2579 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2580
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2581 return head;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2582 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2583
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2584 DEFUN ("lax-plist-get", Flax_plist_get, 2, 3, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2585 Extract a value from a lax property list.
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2586 LAX-PLIST is a lax property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2587 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2588 properties is done using `equal' instead of `eq'.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2589 PROPERTY is usually a symbol.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2590 This function returns the value corresponding to PROPERTY,
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2591 or DEFAULT if PROPERTY is not one of the properties on the list.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2592 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2593 (lax_plist, property, default_))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2594 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2595 Lisp_Object value = external_plist_get (&lax_plist, property, 1, ERROR_ME);
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2596 return UNBOUNDP (value) ? default_ : value;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2597 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2598
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2599 DEFUN ("lax-plist-put", Flax_plist_put, 3, 3, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2600 Change value in LAX-PLIST of PROPERTY to VALUE.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2601 LAX-PLIST is a lax property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2602 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2603 properties is done using `equal' instead of `eq'.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2604 PROPERTY is usually a symbol and VALUE is any object.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2605 If PROPERTY is already a property on the list, its value is set to
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2606 VALUE, otherwise the new PROPERTY VALUE pair is added.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2607 The new plist is returned; use `(setq x (lax-plist-put x property value))'
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2608 to be sure to use the new value. LAX-PLIST is modified by side effect.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2609 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2610 (lax_plist, property, value))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2611 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2612 external_plist_put (&lax_plist, property, value, 1, ERROR_ME);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2613 return lax_plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2614 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2615
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2616 DEFUN ("lax-plist-remprop", Flax_plist_remprop, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2617 Remove from LAX-PLIST the property PROPERTY and its value.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2618 LAX-PLIST is a lax property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2619 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2620 properties is done using `equal' instead of `eq'.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2621 PROPERTY is usually a symbol.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2622 The new plist is returned; use `(setq x (lax-plist-remprop x property))'
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2623 to be sure to use the new value. LAX-PLIST is modified by side effect.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2624 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2625 (lax_plist, property))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2626 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2627 external_remprop (&lax_plist, property, 1, ERROR_ME);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2628 return lax_plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2629 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2630
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2631 DEFUN ("lax-plist-member", Flax_plist_member, 2, 2, 0, /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2632 Return t if PROPERTY has a value specified in LAX-PLIST.
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2633 LAX-PLIST is a lax property list, which is a list of the form
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2634 \(PROPERTY1 VALUE1 PROPERTY2 VALUE2...), where comparisons between
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2635 properties is done using `equal' instead of `eq'.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2636 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2637 (lax_plist, property))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2638 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2639 return UNBOUNDP (Flax_plist_get (lax_plist, property, Qunbound)) ? Qnil : Qt;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2640 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2641
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2642 DEFUN ("canonicalize-lax-plist", Fcanonicalize_lax_plist, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2643 Destructively remove any duplicate entries from a lax plist.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2644 In such cases, the first entry applies.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2645
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2646 If optional arg NIL-MEANS-NOT-PRESENT is non-nil, then a property with
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2647 a nil value is removed. This feature is a virus that has infected
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2648 old Lisp implementations, but should not be used except for backward
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2649 compatibility.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2650
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2651 The new plist is returned. If NIL-MEANS-NOT-PRESENT is given, the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2652 return value may not be EQ to the passed-in value, so make sure to
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2653 `setq' the value back into where it came from.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2654 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2655 (lax_plist, nil_means_not_present))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2656 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2657 Lisp_Object head = lax_plist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2658
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2659 Fcheck_valid_plist (lax_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2660
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2661 while (!NILP (lax_plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2662 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2663 Lisp_Object prop = Fcar (lax_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2664 Lisp_Object next = Fcdr (lax_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2665
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2666 CHECK_CONS (next); /* just make doubly sure we catch any errors */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2667 if (!NILP (nil_means_not_present) && NILP (Fcar (next)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2668 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2669 if (EQ (head, lax_plist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2670 head = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2671 lax_plist = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2672 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2673 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2674 /* external_remprop returns 1 if it removed any property.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2675 We have to loop till it didn't remove anything, in case
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2676 the property occurs many times. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2677 while (external_remprop (&XCDR (next), prop, 1, ERROR_ME))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2678 DO_NOTHING;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2679 lax_plist = Fcdr (next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2680 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2681
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2682 return head;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2683 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2684
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2685 /* In C because the frame props stuff uses it */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2686
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2687 DEFUN ("destructive-alist-to-plist", Fdestructive_alist_to_plist, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2688 Convert association list ALIST into the equivalent property-list form.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2689 The plist is returned. This converts from
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2690
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2691 \((a . 1) (b . 2) (c . 3))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2692
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2693 into
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2694
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2695 \(a 1 b 2 c 3)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2696
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2697 The original alist is destroyed in the process of constructing the plist.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2698 See also `alist-to-plist'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2699 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2700 (alist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2701 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2702 Lisp_Object head = alist;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2703 while (!NILP (alist))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2704 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2705 /* remember the alist element. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2706 Lisp_Object el = Fcar (alist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2707
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2708 Fsetcar (alist, Fcar (el));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2709 Fsetcar (el, Fcdr (el));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2710 Fsetcdr (el, Fcdr (alist));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2711 Fsetcdr (alist, el);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2712 alist = Fcdr (Fcdr (alist));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2713 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2714
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2715 return head;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2716 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2717
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2718 DEFUN ("get", Fget, 2, 3, 0, /*
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2719 Return the value of OBJECT's PROPERTY property.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2720 This is the last VALUE stored with `(put OBJECT PROPERTY VALUE)'.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2721 If there is no such property, return optional third arg DEFAULT
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2722 \(which defaults to `nil'). OBJECT can be a symbol, string, extent,
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2723 face, or glyph. See also `put', `remprop', and `object-plist'.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2724 */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2725 (object, property, default_))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2726 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2727 /* Various places in emacs call Fget() and expect it not to quit,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2728 so don't quit. */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2729 Lisp_Object val;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2730
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2731 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->getprop)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2732 val = XRECORD_LHEADER_IMPLEMENTATION (object)->getprop (object, property);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2733 else
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2734 invalid_operation ("Object type has no properties", object);
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2735
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2736 return UNBOUNDP (val) ? default_ : val;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2737 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2738
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2739 DEFUN ("put", Fput, 3, 3, 0, /*
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2740 Set OBJECT's PROPERTY to VALUE.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2741 It can be subsequently retrieved with `(get OBJECT PROPERTY)'.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2742 OBJECT can be a symbol, face, extent, or string.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2743 For a string, no properties currently have predefined meanings.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2744 For the predefined properties for extents, see `set-extent-property'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2745 For the predefined properties for faces, see `set-face-property'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2746 See also `get', `remprop', and `object-plist'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2747 */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2748 (object, property, value))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2749 {
1920
c66036f59678 [xemacs-hg @ 2004-02-20 07:29:16 by stephent]
stephent
parents: 1849
diff changeset
2750 /* This function cannot GC */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2751 CHECK_LISP_WRITEABLE (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2752
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2753 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->putprop)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2754 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2755 if (! XRECORD_LHEADER_IMPLEMENTATION (object)->putprop
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2756 (object, property, value))
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2757 invalid_change ("Can't set property on object", property);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2758 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2759 else
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2760 invalid_change ("Object type has no settable properties", object);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2761
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2762 return value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2763 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2764
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2765 DEFUN ("remprop", Fremprop, 2, 2, 0, /*
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2766 Remove, from OBJECT's property list, PROPERTY and its corresponding value.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2767 OBJECT can be a symbol, string, extent, face, or glyph. Return non-nil
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2768 if the property list was actually modified (i.e. if PROPERTY was present
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2769 in the property list). See also `get', `put', and `object-plist'.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2770 */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2771 (object, property))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2772 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2773 int ret = 0;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2774
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2775 CHECK_LISP_WRITEABLE (object);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2776
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2777 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->remprop)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2778 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2779 ret = XRECORD_LHEADER_IMPLEMENTATION (object)->remprop (object, property);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2780 if (ret == -1)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2781 invalid_change ("Can't remove property from object", property);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2782 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2783 else
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2784 invalid_change ("Object type has no removable properties", object);
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2785
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2786 return ret ? Qt : Qnil;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2787 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2788
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2789 DEFUN ("object-plist", Fobject_plist, 1, 1, 0, /*
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2790 Return a property list of OBJECT's properties.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2791 For a symbol, this is equivalent to `symbol-plist'.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2792 OBJECT can be a symbol, string, extent, face, or glyph.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2793 Do not modify the returned property list directly;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2794 this may or may not have the desired effects. Use `put' instead.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2795 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2796 (object))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2797 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2798 if (LRECORDP (object) && XRECORD_LHEADER_IMPLEMENTATION (object)->plist)
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2799 return XRECORD_LHEADER_IMPLEMENTATION (object)->plist (object);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2800 else
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2801 invalid_operation ("Object type has no properties", object);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2802
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2803 return Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2804 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2805
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2806
853
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2807 static Lisp_Object
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2808 tweaked_internal_equal (Lisp_Object obj1, Lisp_Object obj2,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2809 Lisp_Object depth)
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2810 {
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2811 return make_int (internal_equal (obj1, obj2, XINT (depth)));
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2812 }
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2813
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2814 int
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2815 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
2816 const Ascbyte *warning_string,
853
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2817 int flags,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2818 struct call_trapping_problems_result *p,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2819 int retval,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2820 Lisp_Object obj1, Lisp_Object obj2,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2821 int depth)
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2822 {
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2823 Lisp_Object glorp =
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2824 va_call_trapping_problems (warning_class, warning_string,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2825 flags, p,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2826 (lisp_fn_t) tweaked_internal_equal,
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2827 3, obj1, obj2, make_int (depth));
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2828 if (UNBOUNDP (glorp))
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2829 return retval;
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2830 else
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2831 return XINT (glorp);
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2832 }
2b6fa2618f76 [xemacs-hg @ 2002-05-28 08:44:22 by ben]
ben
parents: 851
diff changeset
2833
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2834 int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2835 internal_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2836 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2837 if (depth > 200)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2838 stack_overflow ("Stack overflow in equal", Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2839 QUIT;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2840 if (EQ_WITH_EBOLA_NOTICE (obj1, obj2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2841 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2842 /* Note that (equal 20 20.0) should be nil */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2843 if (XTYPE (obj1) != XTYPE (obj2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2844 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2845 if (LRECORDP (obj1))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2846 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
2847 const struct lrecord_implementation
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2848 *imp1 = XRECORD_LHEADER_IMPLEMENTATION (obj1),
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2849 *imp2 = XRECORD_LHEADER_IMPLEMENTATION (obj2);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2850
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2851 return (imp1 == imp2) &&
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2852 /* 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
2853 (imp1->equal && (imp1->equal) (obj1, obj2, depth, 0));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2854 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2855
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2856 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2857 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2858
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2859 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
2860 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2861 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
2862 ARRAY_STRING,
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2863 ARRAY_VECTOR,
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2864 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
2865 };
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2866
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2867 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
2868 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
2869 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2870 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
2871 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
2872 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
2873 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
2874 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
2875 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
2876 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
2877 }
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2878
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2879 int
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2880 internal_equalp (Lisp_Object obj1, Lisp_Object obj2, int depth)
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2881 {
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2882 if (depth > 200)
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2883 stack_overflow ("Stack overflow in equalp", Qunbound);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2884 QUIT;
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2885
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2886 /* 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
2887 of two equal fixnums or the same object seen twice. */
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2888 if (EQ_WITH_EBOLA_NOTICE (obj1, obj2))
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2889 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
2890
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2891 /* 2. If both numbers, compare with `='. */
1983
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
2892 if (NUMBERP (obj1) && NUMBERP (obj2))
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
2893 {
4910
6bc1f3f6cf0d Make canoncase visible to Lisp; use it with chars in internal_equalp.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4906
diff changeset
2894 return (0 == bytecode_arithcompare (obj1, obj2));
1983
9c872f33ecbe [xemacs-hg @ 2004-04-05 22:49:31 by james]
james
parents: 1920
diff changeset
2895 }
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2896
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2897 /* 3. If characters, compare case-insensitively. */
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2898 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
2899 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
2900
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2901 /* 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
2902 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
2903 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2904 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
2905 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
2906 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
2907 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
2908 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2909 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
2910 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
2911 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
2912 /* 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
2913 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
2914 return 0;
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2915 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
2916 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
2917 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
2918 return 0;
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2919 return 1;
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2920 }
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2921 }
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2922 /* 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
2923 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
2924 their contents, the equal() method will call internal_equal_0(). */
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2925 if (XTYPE (obj1) != XTYPE (obj2))
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2926 return 0;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2927 if (LRECORDP (obj1))
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2928 {
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2929 const struct lrecord_implementation
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2930 *imp1 = XRECORD_LHEADER_IMPLEMENTATION (obj1),
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2931 *imp2 = XRECORD_LHEADER_IMPLEMENTATION (obj2);
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2932
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2933 return (imp1 == imp2) &&
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2934 /* 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
2935 (imp1->equal && (imp1->equal) (obj1, obj2, depth, 1));
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2936 }
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2937
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2938 return 0;
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2939 }
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
2940
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2941 int
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2942 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
2943 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2944 if (foldcase)
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2945 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
2946 else
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2947 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
2948 }
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2949
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2950 /* Note that we may be calling sub-objects that will use
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2951 internal_equal() (instead of internal_old_equal()). Oh well.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2952 We will get an Ebola note if there's any possibility of confusion,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2953 but that seems unlikely. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2954
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2955 static int
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2956 internal_old_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2957 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2958 if (depth > 200)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
2959 stack_overflow ("Stack overflow in equal", Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2960 QUIT;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2961 if (HACKEQ_UNSAFE (obj1, obj2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2962 return 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2963 /* Note that (equal 20 20.0) should be nil */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2964 if (XTYPE (obj1) != XTYPE (obj2))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2965 return 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2966
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2967 return internal_equal (obj1, obj2, depth);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2968 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2969
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2970 DEFUN ("equal", Fequal, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2971 Return t if two Lisp objects have similar structure and contents.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2972 They must have the same data type.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2973 Conses are compared by comparing the cars and the cdrs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2974 Vectors and strings are compared element by element.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2975 Numbers are compared by value. Symbols must match exactly.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2976 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2977 (object1, object2))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2978 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
2979 return internal_equal (object1, object2, 0) ? Qt : Qnil;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2980 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
2981
4906
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2982 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
2983 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
2984
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2985 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
2986 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
2987 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
2988
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2989 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
2990 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
2991 `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
2992
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
2993 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
2994 `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
2995 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
2996 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
2997 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
2998 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
2999 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
3000 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
3001
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3002 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
3003 (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
3004 `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
3005 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
3006 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
3007 */
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3008 (object1, object2))
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3009 {
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3010 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
3011 }
6ef8256a020a implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3012
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3013 DEFUN ("old-equal", Fold_equal, 2, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3014 Return t if two Lisp objects have similar structure and contents.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3015 They must have the same data type.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3016 \(Note, however, that an exception is made for characters and integers;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3017 this is known as the "char-int confoundance disease." See `eq' and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3018 `old-eq'.)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3019 This function is provided only for byte-code compatibility with v19.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3020 Do not use it.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3021 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
3022 (object1, object2))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3023 {
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
3024 return internal_old_equal (object1, object2, 0) ? Qt : Qnil;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3025 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3026
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3027
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3028 DEFUN ("fillarray", Ffillarray, 2, 2, 0, /*
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3029 Destructively modify ARRAY by replacing each element with ITEM.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3030 ARRAY is a vector, bit vector, or string.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3031 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3032 (array, item))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3033 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3034 retry:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3035 if (STRINGP (array))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3036 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3037 Bytecount old_bytecount = XSTRING_LENGTH (array);
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3038 Bytecount new_bytecount;
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3039 Bytecount item_bytecount;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
3040 Ibyte item_buf[MAX_ICHAR_LEN];
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
3041 Ibyte *p;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
3042 Ibyte *end;
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3043
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3044 CHECK_CHAR_COERCE_INT (item);
2720
6fa9919a9a0b [xemacs-hg @ 2005-04-08 23:10:01 by crestani]
crestani
parents: 2500
diff changeset
3045
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3046 CHECK_LISP_WRITEABLE (array);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
3047 sledgehammer_check_ascii_begin (array);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
3048 item_bytecount = set_itext_ichar (item_buf, XCHAR (item));
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
3049 new_bytecount = item_bytecount * (Bytecount) string_char_length (array);
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3050
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3051 resize_string (array, -1, new_bytecount - old_bytecount);
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3052
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3053 for (p = XSTRING_DATA (array), end = p + new_bytecount;
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3054 p < end;
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3055 p += item_bytecount)
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3056 memcpy (p, item_buf, item_bytecount);
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3057 *p = '\0';
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3058
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3059 XSET_STRING_ASCII_BEGIN (array,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3060 item_bytecount == 1 ?
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3061 min (new_bytecount, MAX_STRING_ASCII_BEGIN) :
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 780
diff changeset
3062 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3063 bump_string_modiff (array);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
3064 sledgehammer_check_ascii_begin (array);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3065 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3066 else if (VECTORP (array))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3067 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3068 Lisp_Object *p = XVECTOR_DATA (array);
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
3069 Elemcount len = XVECTOR_LENGTH (array);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3070 CHECK_LISP_WRITEABLE (array);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3071 while (len--)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3072 *p++ = item;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3073 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3074 else if (BIT_VECTORP (array))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3075 {
440
8de8e3f6228a Import from CVS: tag r21-2-28
cvs
parents: 438
diff changeset
3076 Lisp_Bit_Vector *v = XBIT_VECTOR (array);
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
3077 Elemcount len = bit_vector_length (v);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3078 int bit;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3079 CHECK_BIT (item);
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
3080 bit = XINT (item);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3081 CHECK_LISP_WRITEABLE (array);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3082 while (len--)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3083 set_bit_vector_bit (v, len, bit);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3084 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3085 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3086 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3087 array = wrong_type_argument (Qarrayp, array);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3088 goto retry;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3089 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3090 return array;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3091 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3092
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3093 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3094 nconc2 (Lisp_Object arg1, Lisp_Object arg2)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3095 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3096 Lisp_Object args[2];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3097 struct gcpro gcpro1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3098 args[0] = arg1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3099 args[1] = arg2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3100
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3101 GCPRO1 (args[0]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3102 gcpro1.nvars = 2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3103
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3104 RETURN_UNGCPRO (bytecode_nconc2 (args));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3105 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3106
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3107 Lisp_Object
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3108 bytecode_nconc2 (Lisp_Object *args)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3109 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3110 retry:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3111
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3112 if (CONSP (args[0]))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3113 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3114 /* (setcdr (last args[0]) args[1]) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3115 Lisp_Object tortoise, hare;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
3116 Elemcount count;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3117
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3118 for (hare = tortoise = args[0], count = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3119 CONSP (XCDR (hare));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3120 hare = XCDR (hare), count++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3121 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3122 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3123
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3124 if (count & 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3125 tortoise = XCDR (tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3126 if (EQ (hare, tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3127 signal_circular_list_error (args[0]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3128 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3129 XCDR (hare) = args[1];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3130 return args[0];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3131 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3132 else if (NILP (args[0]))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3133 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3134 return args[1];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3135 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3136 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3137 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3138 args[0] = wrong_type_argument (args[0], Qlistp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3139 goto retry;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3140 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3141 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3142
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3143 DEFUN ("nconc", Fnconc, 0, MANY, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3144 Concatenate any number of lists by altering them.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3145 Only the last argument is not altered, and need not be a list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3146 Also see: `append'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3147 If the first argument is nil, there is no way to modify it by side
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3148 effect; therefore, write `(setq foo (nconc foo list))' to be sure of
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3149 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
3150
80cd90837ac5 Add argument information to remaining MANY or UNEVALLED C subrs.
Aidan Kehoe <kehoea@parhasard.net>
parents: 3842
diff changeset
3151 arguments: (&rest ARGS)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3152 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3153 (int nargs, Lisp_Object *args))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3154 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3155 int argnum = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3156 struct gcpro gcpro1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3157
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3158 /* The modus operandi in Emacs is "caller gc-protects args".
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3159 However, nconc (particularly nconc2 ()) is called many times
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3160 in Emacs on freshly created stuff (e.g. you see the idiom
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3161 nconc2 (Fcopy_sequence (foo), bar) a lot). So we help those
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3162 callers out by protecting the args ourselves to save them
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3163 a lot of temporary-variable grief. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3164
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3165 GCPRO1 (args[0]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3166 gcpro1.nvars = nargs;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3167
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3168 while (argnum < nargs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3169 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3170 Lisp_Object val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3171 retry:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3172 val = args[argnum];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3173 if (CONSP (val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3174 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3175 /* `val' is the first cons, which will be our return value. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3176 /* `last_cons' will be the cons cell to mutate. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3177 Lisp_Object last_cons = val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3178 Lisp_Object tortoise = val;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3179
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3180 for (argnum++; argnum < nargs; argnum++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3181 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3182 Lisp_Object next = args[argnum];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3183 retry_next:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3184 if (CONSP (next) || argnum == nargs -1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3185 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3186 /* (setcdr (last val) next) */
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
3187 Elemcount count;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3188
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3189 for (count = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3190 CONSP (XCDR (last_cons));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3191 last_cons = XCDR (last_cons), count++)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3192 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3193 if (count < CIRCULAR_LIST_SUSPICION_LENGTH) continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3194
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3195 if (count & 1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3196 tortoise = XCDR (tortoise);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3197 if (EQ (last_cons, tortoise))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3198 signal_circular_list_error (args[argnum-1]);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3199 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3200 XCDR (last_cons) = next;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3201 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3202 else if (NILP (next))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3203 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3204 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3205 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3206 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3207 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3208 next = wrong_type_argument (Qlistp, next);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3209 goto retry_next;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3210 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3211 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3212 RETURN_UNGCPRO (val);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3213 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3214 else if (NILP (val))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3215 argnum++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3216 else if (argnum == nargs - 1) /* last arg? */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3217 RETURN_UNGCPRO (val);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3218 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3219 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3220 args[argnum] = wrong_type_argument (Qlistp, val);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3221 goto retry;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3222 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3223 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3224 RETURN_UNGCPRO (Qnil); /* No non-nil args provided. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3225 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3226
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3227
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3228 /* 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
3229
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3230 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
3231 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
3232 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
3233 non-nil, store the results into LISP_VALS, a sequence with sufficient
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3234 room for CALL_COUNT results. Else, do not accumulate any result.
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3235
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3236 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
3237 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
3238 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
3239 mapcarX.
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3240
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3241 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
3242 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
3243 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
3244 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
3245 traversal operation.
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3246
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3247 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
3248 values given by FUNCTION the first time it is non-nil, and abandon the
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3249 iterations. LISP_VALS in this case must be an object created by
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3250 make_opaque_ptr, dereferenced as pointing to a Lisp object. If
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3251 SOME_OR_EVERY is SOME_OR_EVERY_EVERY, store Qnil at the Lisp_Object
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3252 pointer address provided by LISP_VALS if FUNCTION gives nil; otherwise
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3253 leave it alone. */
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3254
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3255 #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
3256 #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
3257 #define SOME_OR_EVERY_EVERY 2
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3258
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3259 static void
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3260 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
3261 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
3262 int some_or_every)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3263 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3264 Lisp_Object called, *args;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3265 struct gcpro gcpro1, gcpro2;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3266 int i, j;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3267 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
3268
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3269 assert (LRECORDP (lisp_vals));
4999
ebafcd6e9f4b fix compile error in mapcarX
Ben Wing <ben@xemacs.org>
parents: 4998
diff changeset
3270 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
3271
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3272 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
3273 args[0] = function;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3274 for (i = 1; i <= nsequences; ++i)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3275 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3276 args[i] = Qnil;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3277 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3278
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3279 if (vals != NULL)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3280 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3281 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
3282 gcpro1.nvars = nsequences + 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3283 gcpro2.nvars = 0;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3284 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3285 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3286 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3287 GCPRO1 (args[0]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3288 gcpro1.nvars = nsequences + 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3289 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3290
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3291 /* 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
3292 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
3293 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
3294 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
3295 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
3296 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3297 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
3298 Lisp_Object *val = vals;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3299 for (i = 0; i < call_count; ++i)
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3300 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3301 *val++ = XCAR (lst);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3302 lst = XCDR (lst);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3303 }
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3304 gcpro2.nvars = call_count;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3305
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3306 for (i = 0; i < call_count; ++i)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3307 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3308 args[1] = vals[i];
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3309 vals[i] = Ffuncall (nsequences + 1, args);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3310 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3311 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3312 else
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3313 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3314 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
3315 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
3316 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3317 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
3318 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3319
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3320 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
3321 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3322 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
3323 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3324 switch (sequence_types[j])
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3325 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3326 case lrecord_type_cons:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3327 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3328 if (!CONSP (sequences[j]))
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3329 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3330 /* 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
3331 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
3332 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
3333 (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
3334 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
3335 callers. */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3336 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
3337 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3338 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
3339 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
3340 break;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3341 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3342 case lrecord_type_vector:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3343 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3344 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
3345 break;
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 case lrecord_type_string:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3348 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3349 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
3350 break;
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 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
3353 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3354 args[j + 1]
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3355 = 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
3356 i));
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3357 break;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3358 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3359 default:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3360 ABORT();
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3361 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3362 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3363 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
3364 if (vals != NULL)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3365 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3366 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
3367 gcpro2.nvars += 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3368 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3369 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3370 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3371 switch (lisp_vals_type)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3372 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3373 case lrecord_type_symbol:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3374 break;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3375 case lrecord_type_cons:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3376 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3377 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
3378 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3379 called = IGNORE_MULTIPLE_VALUES (called);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3380 if (!CONSP (lisp_vals))
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3381 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3382 /* 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
3383 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
3384 relevant part, error. */
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3385 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
3386 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3387
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3388 XSETCAR (lisp_vals, called);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3389 lisp_vals = XCDR (lisp_vals);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3390 break;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3391 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3392
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3393 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
3394 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3395 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
3396 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3397 XCAR (lisp_vals) = called;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3398 UNGCPRO;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3399 return;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3400 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3401 break;
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3402 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3403
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3404 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
3405 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3406 called = IGNORE_MULTIPLE_VALUES (called);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3407 if (NILP (called))
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3408 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3409 XCAR (lisp_vals) = Qnil;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3410 UNGCPRO;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3411 return;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3412 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3413 break;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3414 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3415
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3416 goto bad_show_or_every_flag;
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3417 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3418 case lrecord_type_vector:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3419 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3420 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
3421 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
3422 (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
3423 /* Let #'aset error. */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3424 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
3425 break;
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 case lrecord_type_string:
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 /* 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
3430 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
3431 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
3432 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
3433 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
3434 break;
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_bit_vector:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3437 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3438 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
3439 (BITP (called) &&
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3440 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
3441 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
3442 XINT (called)) :
5002
0cd784a6ec44 fix some compile bugs of Aidan's
Ben Wing <ben@xemacs.org>
parents: 5001
diff changeset
3443 (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
3444 break;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3445 }
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3446 bad_show_or_every_flag:
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3447 default:
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3448 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3449 ABORT();
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 }
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 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3455 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3456 UNGCPRO;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3457 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3458
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3459 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
3460 Call FUNCTION on each element of SEQUENCE, and concat results to a string.
751
358bd84dc7ff [xemacs-hg @ 2002-02-13 12:55:38 by stephent]
stephent
parents: 665
diff changeset
3461 Between each pair of results, insert SEPARATOR.
358bd84dc7ff [xemacs-hg @ 2002-02-13 12:55:38 by stephent]
stephent
parents: 665
diff changeset
3462
358bd84dc7ff [xemacs-hg @ 2002-02-13 12:55:38 by stephent]
stephent
parents: 665
diff changeset
3463 Each result, and SEPARATOR, should be strings. Thus, using " " as SEPARATOR
358bd84dc7ff [xemacs-hg @ 2002-02-13 12:55:38 by stephent]
stephent
parents: 665
diff changeset
3464 results in spaces between the values returned by FUNCTION. SEQUENCE itself
358bd84dc7ff [xemacs-hg @ 2002-02-13 12:55:38 by stephent]
stephent
parents: 665
diff changeset
3465 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
3466
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3467 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
3468 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
3469 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
3470 `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
3471
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3472 arguments: (FUNCTION SEQUENCE SEPARATOR &rest SEQUENCES)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3473 */
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3474 (int nargs, Lisp_Object *args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3475 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3476 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
3477 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
3478 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
3479 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
3480 Lisp_Object *args0;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3481 EMACS_INT i, nargs0;
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 args[2] = sequence;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3484 args[1] = separator;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3485
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3486 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
3487 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3488 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3489 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
3490 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3491
4952
19a72041c5ed Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
3492 if (len == 0) return build_ascstring ("");
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3493
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3494 nargs0 = len + len - 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3495 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
3496
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3497 /* 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
3498 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
3499 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
3500 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
3501 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3502 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
3503 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3504 args0[i] = XCAR (sequence);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3505 sequence = XCDR (sequence);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3506 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3507 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3508 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3509 {
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3510 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
3511 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
3512 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3513
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3514 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
3515 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
3516
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3517 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
3518 args0[i] = separator;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3519
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3520 return Fconcat (nargs0, args0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3521 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3522
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3523 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
3524 Call FUNCTION on each element of SEQUENCE; return a list of the results.
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3525 The result is a list of the same length as SEQUENCE.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3526 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
3527
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3528 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
3529 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
3530 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
3531 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
3532
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3533 arguments: (FUNCTION SEQUENCE &rest SEQUENCES)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3534 */
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3535 (int nargs, Lisp_Object *args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3536 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3537 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
3538 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
3539 Lisp_Object *args0;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3540 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3541
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3542 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
3543 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3544 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3545 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
3546 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3547
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3548 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
3549 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
3550 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
3551
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3552 return Flist ((int) len, args0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3553 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3554
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3555 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
3556 Call FUNCTION on each element of SEQUENCE; return a vector of the results.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3557 The result is a vector of the same length as SEQUENCE.
434
9d177e8d4150 Import from CVS: tag r21-2-25
cvs
parents: 428
diff changeset
3558 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
3559
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3560 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
3561 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
3562 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
3563 `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
3564
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3565 arguments: (FUNCTION SEQUENCE &rest SEQUENCES)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3566 */
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3567 (int nargs, Lisp_Object *args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3568 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3569 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
3570 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
3571 Lisp_Object result;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3572 struct gcpro gcpro1;
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3573 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3574
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3575 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
3576 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3577 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3578 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
3579 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3580
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3581 result = make_vector (len, Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3582 GCPRO1 (result);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3583 /* 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
3584 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
3585 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
3586 SOME_OR_EVERY_NEITHER);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3587 UNGCPRO;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3588
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3589 return result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3590 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3591
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3592 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
3593 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
3594
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3595 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
3596 together using `nconc'.
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 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
3599 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
3600 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
3601 `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
3602
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3603 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
3604 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3605 (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
3606 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3607 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
3608 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
3609 Lisp_Object *args0;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3610 struct gcpro gcpro1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3611 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3612
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3613 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
3614 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3615 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3616 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
3617 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3618
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3619 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
3620 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
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
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3623 if (len < 2)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3624 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3625 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
3626 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3627
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3628 /* 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
3629 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
3630 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
3631 GCPRO1 (args0[0]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3632 gcpro1.nvars = len + 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3633
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3634 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
3635 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3636 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
3637 args0[i + 1] = nconcing;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3638 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3639
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3640 RETURN_UNGCPRO (XCDR (nconcing));
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3641 }
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 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
3644 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
3645
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3646 SEQUENCE may be a list, a vector, a bit vector, or a string.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3647 This function is like `mapcar' but does not accumulate the results,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3648 which is more efficient if you do not use the results.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3649
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3650 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
3651 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
3652 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
3653 `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
3654
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3655 Return SEQUENCE.
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 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
3658 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3659 (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
3660 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3661 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
3662 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
3663 struct gcpro gcpro1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3664 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3665
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3666 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
3667 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3668 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3669 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
3670 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3671
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3672 /* 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
3673 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
3674 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
3675 GCPRO1 (sequence);
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3676 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
3677 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
3678 RETURN_UNGCPRO (sequence);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3679 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3680
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3681 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
3682 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
3683
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3684 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
3685 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
3686
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3687 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
3688 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
3689
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3690 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
3691 `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
3692 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
3693
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3694 arguments: (TYPE FUNCTION SEQUENCE &rest SEQUENCES)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3695 */
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3696 (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
3697 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3698 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
3699 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
3700 Lisp_Object result = Qnil;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3701 Lisp_Object *args0 = NULL;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3702 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
3703 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3704 struct gcpro gcpro1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3705
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3706 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
3707 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3708 CHECK_SEQUENCE (args[i]);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3709 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
3710 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3711
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3712 if (!NILP (type))
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3713 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3714 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
3715 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3716
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3717 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
3718 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
3719
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3720 if (EQ (type, Qnil))
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3721 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3722 return result;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3723 }
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 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
3726 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3727 result = Fvector (len, args0);
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 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
3730 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3731 result = Fstring (len, args0);
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 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
3734 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3735 result = Flist (len, args0);
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 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
3738 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3739 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
3740 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3741 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3742 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3743 result = Flist (len, args0);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3744 GCPRO1 (result);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3745 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
3746 UNGCPRO;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3747 }
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 return result;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3750 }
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 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
3753 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
3754
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3755 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
3756
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3757 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
3758 \(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
3759 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
3760 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
3761
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3762 Return RESULT-SEQUENCE.
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3763
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3764 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
3765 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3766 (int nargs, Lisp_Object *args))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3767 {
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3768 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
3769 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
3770 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
3771 int i;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3772
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3773 args[0] = function;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3774 args[1] = result_sequence;
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
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3782 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
3783 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
3784
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3785 return result_sequence;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3786 }
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3787
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3788 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
3789 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
3790
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3791 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
3792
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3793 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
3794 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
3795
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3796 arguments: (PREDICATE SEQUENCE &rest SEQUENCES)
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3797 */
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3798 (int nargs, Lisp_Object *args))
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3799 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3800 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
3801 struct gcpro gcpro1;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3802 Elemcount len = EMACS_INT_MAX;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3803 int i;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3804
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3805 GCPRO1 (result_box);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3806
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3807 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
3808 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3809 CHECK_SEQUENCE (args[i]);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3810 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
3811 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3812
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3813 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
3814 SOME_OR_EVERY_SOME);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3815
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3816 RETURN_UNGCPRO (XCAR (result_box));
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3817 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3818
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3819 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
3820 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
3821
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3822 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
3823 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
3824
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3825 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
3826
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3827 arguments: (PREDICATE SEQUENCE &rest SEQUENCES)
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3828 */
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3829 (int nargs, Lisp_Object *args))
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3830 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3831 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
3832 struct gcpro gcpro1;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3833 Elemcount len = EMACS_INT_MAX;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3834 int i;
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3835
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3836 GCPRO1 (result_box);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3837
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3838 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
3839 {
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3840 CHECK_SEQUENCE (args[i]);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3841 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
3842 }
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3843
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3844 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
3845 SOME_OR_EVERY_EVERY);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3846
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3847 RETURN_UNGCPRO (XCAR (result_box));
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3848 }
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3849
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3850 /* 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
3851 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
3852 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
3853
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3854 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
3855 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
3856
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3857 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
3858 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
3859 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
3860
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3861 static Lisp_Object
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3862 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
3863 int nconcp)
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 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
3866 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
3867 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
3868 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
3869
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3870 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
3871 args[0] = function;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3872 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
3873 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3874 args[i] = Qnil;
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
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3877 if (nconcp)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3878 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3879 nconcing[0] = result;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3880 nconcing[1] = Qnil;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3881 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
3882 gcpro1.nvars = 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3883 gcpro2.nvars = 2;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3884 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3885 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3886 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3887 GCPRO2 (args[0], result);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3888 gcpro1.nvars = 1;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3889 }
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 while (continuing)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3892 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3893 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
3894 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3895 if (CONSP (lists[j]))
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3896 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3897 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
3898 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
3899 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3900 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
3901 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3902 continuing = 0;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3903 break;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3904 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3905 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3906 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3907 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
3908 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3909 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3910 if (!continuing) break;
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
3911 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
3912 if (!maplp)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3913 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3914 if (nconcp)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3915 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3916 /* 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
3917 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
3918 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
3919 nconcing[1] = funcalled;
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3920 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
3921 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3922 else
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3923 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3924 /* 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
3925 once we're done: */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3926 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
3927 accum = XCDR (accum);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3928 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3929 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3930
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3931 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
3932
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3933 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
3934 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3935 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
3936 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3937 /* 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
3938 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
3939 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3940 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3941 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3942
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3943 if (!maplp)
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3944 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3945 result = XCDR (result);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3946 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3947
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3948 RETURN_UNGCPRO (result);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3949 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3950
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3951 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
3952 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
3953 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
3954 the elements themselves."
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3955
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3956 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
3957 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3958 (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
3959 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3960 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
3961 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3962
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3963 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
3964 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
3965
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3966 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
3967 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3968 (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
3969 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3970 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
3971 }
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3972
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3973 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
3974 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
3975
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3976 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
3977 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
3978
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3979 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
3980 */
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3981 (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
3982 {
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
3983 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
3984 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
3985
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
3986 /* Extra random functions */
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3987
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3988 DEFUN ("replace-list", Freplace_list, 2, 2, 0, /*
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3989 Destructively replace the list OLD with NEW.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3990 This is like (copy-sequence NEW) except that it reuses the
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3991 conses in OLD as much as possible. If OLD and NEW are the same
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3992 length, no consing will take place.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3993 */
3025
facf3239ba30 [xemacs-hg @ 2005-10-25 11:16:19 by ben]
ben
parents: 2720
diff changeset
3994 (old, new_))
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3995 {
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
3996 Lisp_Object oldtail = old, prevoldtail = Qnil;
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
3997
3025
facf3239ba30 [xemacs-hg @ 2005-10-25 11:16:19 by ben]
ben
parents: 2720
diff changeset
3998 EXTERNAL_LIST_LOOP_2 (elt, new_)
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
3999 {
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4000 if (!NILP (oldtail))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4001 {
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4002 CHECK_CONS (oldtail);
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
4003 XCAR (oldtail) = elt;
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4004 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4005 else if (!NILP (prevoldtail))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4006 {
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
4007 XCDR (prevoldtail) = Fcons (elt, Qnil);
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4008 prevoldtail = XCDR (prevoldtail);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4009 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4010 else
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
4011 old = oldtail = Fcons (elt, Qnil);
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4012
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4013 if (!NILP (oldtail))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4014 {
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4015 prevoldtail = oldtail;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4016 oldtail = XCDR (oldtail);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4017 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4018 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4019
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4020 if (!NILP (prevoldtail))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4021 XCDR (prevoldtail) = Qnil;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4022 else
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4023 old = Qnil;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4024
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4025 return old;
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4026 }
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4027
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4028
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4029 Lisp_Object
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
4030 add_suffix_to_symbol (Lisp_Object symbol, const Ascbyte *ascii_string)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4031 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4032 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
4033 build_ascstring (ascii_string)),
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4034 Qnil);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4035 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4036
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4037 Lisp_Object
2367
ecf1ebac70d8 [xemacs-hg @ 2004-11-04 23:05:23 by ben]
ben
parents: 2286
diff changeset
4038 add_prefix_to_symbol (const Ascbyte *ascii_string, Lisp_Object symbol)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4039 {
4952
19a72041c5ed Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents: 4797
diff changeset
4040 return Fintern (concat2 (build_ascstring (ascii_string),
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4041 Fsymbol_name (symbol)),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4042 Qnil);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4043 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4044
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4045
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4046 /* #### this function doesn't belong in this file! */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4047
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4048 #ifdef HAVE_GETLOADAVG
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4049 #ifdef HAVE_SYS_LOADAVG_H
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4050 #include <sys/loadavg.h>
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4051 #endif
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4052 #else
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4053 int getloadavg (double loadavg[], int nelem); /* Defined in getloadavg.c */
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4054 #endif
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4055
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4056 DEFUN ("load-average", Fload_average, 0, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4057 Return list of 1 minute, 5 minute and 15 minute load averages.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4058 Each of the three load averages is multiplied by 100,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4059 then converted to integer.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4060
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4061 When USE-FLOATS is non-nil, floats will be used instead of integers.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4062 These floats are not multiplied by 100.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4063
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4064 If the 5-minute or 15-minute load averages are not available, return a
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4065 shortened list, containing only those averages which are available.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4066
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4067 On some systems, this won't work due to permissions on /dev/kmem,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4068 in which case you can't use this.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4069 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4070 (use_floats))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4071 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4072 double load_ave[3];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4073 int loads = getloadavg (load_ave, countof (load_ave));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4074 Lisp_Object ret = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4075
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4076 if (loads == -2)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4077 signal_error (Qunimplemented,
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4078 "load-average not implemented for this operating system",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4079 Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4080 else if (loads < 0)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4081 invalid_operation ("Could not get load-average", lisp_strerror (errno));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4082
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4083 while (loads-- > 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4084 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4085 Lisp_Object load = (NILP (use_floats) ?
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4086 make_int ((int) (100.0 * load_ave[loads]))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4087 : make_float (load_ave[loads]));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4088 ret = Fcons (load, ret);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4089 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4090 return ret;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4091 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4092
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4093
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4094 Lisp_Object Vfeatures;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4095
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4096 DEFUN ("featurep", Ffeaturep, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4097 Return non-nil if feature FEXP is present in this Emacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4098 Use this to conditionalize execution of lisp code based on the
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4099 presence or absence of emacs or environment extensions.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4100 FEXP can be a symbol, a number, or a list.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4101 If it is a symbol, that symbol is looked up in the `features' variable,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4102 and non-nil will be returned if found.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4103 If it is a number, the function will return non-nil if this Emacs
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4104 has an equal or greater version number than FEXP.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4105 If it is a list whose car is the symbol `and', it will return
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4106 non-nil if all the features in its cdr are non-nil.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4107 If it is a list whose car is the symbol `or', it will return non-nil
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4108 if any of the features in its cdr are non-nil.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4109 If it is a list whose car is the symbol `not', it will return
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4110 non-nil if the feature is not present.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4111
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4112 Examples:
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4113
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4114 (featurep 'xemacs)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4115 => ; Non-nil on XEmacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4116
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4117 (featurep '(and xemacs gnus))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4118 => ; Non-nil on XEmacs with Gnus loaded.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4119
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4120 (featurep '(or tty-frames (and emacs 19.30)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4121 => ; Non-nil if this Emacs supports TTY frames.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4122
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4123 (featurep '(or (and xemacs 19.15) (and emacs 19.34)))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4124 => ; Non-nil on XEmacs 19.15 and later, or FSF Emacs 19.34 and later.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4125
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4126 (featurep '(and xemacs 21.02))
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4127 => ; Non-nil on XEmacs 21.2 and later.
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4128
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4129 NOTE: The advanced arguments of this function (anything other than a
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4130 symbol) are not yet supported by FSF Emacs. If you feel they are useful
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4131 for supporting multiple Emacs variants, lobby Richard Stallman at
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4132 <bug-gnu-emacs@gnu.org>.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4133 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4134 (fexp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4135 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4136 #ifndef FEATUREP_SYNTAX
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4137 CHECK_SYMBOL (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4138 return NILP (Fmemq (fexp, Vfeatures)) ? Qnil : Qt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4139 #else /* FEATUREP_SYNTAX */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4140 static double featurep_emacs_version;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4141
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4142 /* Brute force translation from Erik Naggum's lisp function. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4143 if (SYMBOLP (fexp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4144 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4145 /* Original definition */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4146 return NILP (Fmemq (fexp, Vfeatures)) ? Qnil : Qt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4147 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4148 else if (INTP (fexp) || FLOATP (fexp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4149 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4150 double d = extract_float (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4151
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4152 if (featurep_emacs_version == 0.0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4153 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4154 featurep_emacs_version = XINT (Vemacs_major_version) +
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4155 (XINT (Vemacs_minor_version) / 100.0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4156 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4157 return featurep_emacs_version >= d ? Qt : Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4158 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4159 else if (CONSP (fexp))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4160 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4161 Lisp_Object tem = XCAR (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4162 if (EQ (tem, Qnot))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4163 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4164 Lisp_Object negate;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4165
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4166 tem = XCDR (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4167 negate = Fcar (tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4168 if (!NILP (tem))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4169 return NILP (call1 (Qfeaturep, negate)) ? Qt : Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4170 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4171 return Fsignal (Qinvalid_read_syntax, list1 (tem));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4172 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4173 else if (EQ (tem, Qand))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4174 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4175 tem = XCDR (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4176 /* Use Fcar/Fcdr for error-checking. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4177 while (!NILP (tem) && !NILP (call1 (Qfeaturep, Fcar (tem))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4178 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4179 tem = Fcdr (tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4180 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4181 return NILP (tem) ? Qt : Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4182 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4183 else if (EQ (tem, Qor))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4184 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4185 tem = XCDR (fexp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4186 /* Use Fcar/Fcdr for error-checking. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4187 while (!NILP (tem) && NILP (call1 (Qfeaturep, Fcar (tem))))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4188 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4189 tem = Fcdr (tem);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4190 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4191 return NILP (tem) ? Qnil : Qt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4192 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4193 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4194 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4195 return Fsignal (Qinvalid_read_syntax, list1 (XCDR (fexp)));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4196 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4197 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4198 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4199 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4200 return Fsignal (Qinvalid_read_syntax, list1 (fexp));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4201 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4202 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4203 #endif /* FEATUREP_SYNTAX */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4204
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4205 DEFUN ("provide", Fprovide, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4206 Announce that FEATURE is a feature of the current Emacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4207 This function updates the value of the variable `features'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4208 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4209 (feature))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4210 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4211 Lisp_Object tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4212 CHECK_SYMBOL (feature);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4213 if (!NILP (Vautoload_queue))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4214 Vautoload_queue = Fcons (Fcons (Vfeatures, Qnil), Vautoload_queue);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4215 tem = Fmemq (feature, Vfeatures);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4216 if (NILP (tem))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4217 Vfeatures = Fcons (feature, Vfeatures);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4218 LOADHIST_ATTACH (Fcons (Qprovide, feature));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4219 return feature;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4220 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4221
1067
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4222 DEFUN ("require", Frequire, 1, 3, 0, /*
3842
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4223 Ensure that FEATURE is present in the Lisp environment.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4224 FEATURE is a symbol naming a collection of resources (functions, etc).
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4225 Optional FILENAME is a library from which to load resources; it defaults to
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4226 the print name of FEATURE.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4227 Optional NOERROR, if non-nil, causes require to return nil rather than signal
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4228 `file-error' if loading the library fails.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4229
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4230 If feature FEATURE is present in `features', update `load-history' to reflect
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4231 the require and return FEATURE. Otherwise, try to load it from a library.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4232 The normal messages at start and end of loading are suppressed.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4233 If the library is successfully loaded and it calls `(provide FEATURE)', add
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4234 FEATURE to `features', update `load-history' and return FEATURE.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4235 If the load succeeds but FEATURE is not provided by the library, signal
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4236 `invalid-state'.
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4237
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4238 The byte-compiler treats top-level calls to `require' specially, by evaluating
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4239 them at compile time (and then compiling them normally). Thus a library may
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4240 request that definitions that should be inlined such as macros and defsubsts
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4241 be loaded into its compilation environment. Achieving this in other contexts
1c2a46ea1f78 [xemacs-hg @ 2007-02-22 16:53:20 by stephent]
stephent
parents: 3794
diff changeset
4242 requires an explicit \(eval-and-compile ...\) block.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4243 */
1067
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4244 (feature, filename, noerror))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4245 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4246 Lisp_Object tem;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4247 CHECK_SYMBOL (feature);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4248 tem = Fmemq (feature, Vfeatures);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4249 LOADHIST_ATTACH (Fcons (Qrequire, feature));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4250 if (!NILP (tem))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4251 return feature;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4252 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4253 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4254 int speccount = specpdl_depth ();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4255
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4256 /* Value saved here is to be restored into Vautoload_queue */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4257 record_unwind_protect (un_autoload, Vautoload_queue);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4258 Vautoload_queue = Qt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4259
1067
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4260 tem = call4 (Qload, NILP (filename) ? Fsymbol_name (feature) : filename,
1261
465bd3c7d932 [xemacs-hg @ 2003-02-06 06:35:47 by ben]
ben
parents: 1204
diff changeset
4261 noerror, Qrequire, Qnil);
1067
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4262 /* If load failed entirely, return nil. */
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4263 if (NILP (tem))
a0a7ace216fe [xemacs-hg @ 2002-10-24 13:55:42 by youngs]
youngs
parents: 949
diff changeset
4264 return unbind_to_1 (speccount, Qnil);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4265
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4266 tem = Fmemq (feature, Vfeatures);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4267 if (NILP (tem))
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4268 invalid_state ("Required feature was not provided", feature);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4269
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4270 /* Once loading finishes, don't undo it. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4271 Vautoload_queue = Qt;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4272 return unbind_to_1 (speccount, feature);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4273 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4274 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4275
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4276 /* base64 encode/decode functions.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4277
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4278 Originally based on code from GNU recode. Ported to FSF Emacs by
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4279 Lars Magne Ingebrigtsen and Karl Heuer. Ported to XEmacs and
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4280 subsequently heavily hacked by Hrvoje Niksic. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4281
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4282 #define MIME_LINE_LENGTH 72
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4283
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4284 #define IS_ASCII(Character) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4285 ((Character) < 128)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4286 #define IS_BASE64(Character) \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4287 (IS_ASCII (Character) && base64_char_to_value[Character] >= 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4288
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4289 /* 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
4290 static Ascbyte base64_value_to_char[64] =
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4291 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4292 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', /* 0- 9 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4293 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 10-19 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4294 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', /* 20-29 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4295 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', /* 30-39 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4296 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', /* 40-49 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4297 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', /* 50-59 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4298 '8', '9', '+', '/' /* 60-63 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4299 };
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4300
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4301 /* Table of base64 values for first 128 characters. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4302 static short base64_char_to_value[128] =
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4303 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4304 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 0- 9 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4305 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 10- 19 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4306 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 20- 29 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4307 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* 30- 39 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4308 -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, /* 40- 49 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4309 54, 55, 56, 57, 58, 59, 60, 61, -1, -1, /* 50- 59 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4310 -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, /* 60- 69 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4311 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, /* 70- 79 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4312 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, /* 80- 89 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4313 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, /* 90- 99 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4314 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, /* 100-109 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4315 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, /* 110-119 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4316 49, 50, 51, -1, -1, -1, -1, -1 /* 120-127 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4317 };
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4318
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4319 /* The following diagram shows the logical steps by which three octets
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4320 get transformed into four base64 characters.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4321
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4322 .--------. .--------. .--------.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4323 |aaaaaabb| |bbbbcccc| |ccdddddd|
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4324 `--------' `--------' `--------'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4325 6 2 4 4 2 6
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4326 .--------+--------+--------+--------.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4327 |00aaaaaa|00bbbbbb|00cccccc|00dddddd|
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4328 `--------+--------+--------+--------'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4329
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4330 .--------+--------+--------+--------.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4331 |AAAAAAAA|BBBBBBBB|CCCCCCCC|DDDDDDDD|
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4332 `--------+--------+--------+--------'
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4333
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4334 The octets are divided into 6 bit chunks, which are then encoded into
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4335 base64 characters. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4336
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
4337 static DECLARE_DOESNT_RETURN (base64_conversion_error (const Ascbyte *,
2268
61855263cb07 [xemacs-hg @ 2004-09-14 14:32:29 by james]
james
parents: 2039
diff changeset
4338 Lisp_Object));
61855263cb07 [xemacs-hg @ 2004-09-14 14:32:29 by james]
james
parents: 2039
diff changeset
4339
575
d5e8f5ad5043 [xemacs-hg @ 2001-05-25 04:22:31 by martinb]
martinb
parents: 563
diff changeset
4340 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
4341 base64_conversion_error (const Ascbyte *reason, Lisp_Object frob)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4342 {
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4343 signal_error (Qbase64_conversion_error, reason, frob);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4344 }
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4345
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4346 #define ADVANCE_INPUT(c, stream) \
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4347 ((ec = Lstream_get_ichar (stream)) == -1 ? 0 : \
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4348 ((ec > 255) ? \
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4349 (base64_conversion_error ("Non-ascii character in base64 input", \
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4350 make_char (ec)), 0) \
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4351 : (c = (Ibyte)ec), 1))
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4352
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4353 static Bytebpos
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4354 base64_encode_1 (Lstream *istream, Ibyte *to, int line_break)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4355 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4356 EMACS_INT counter = 0;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4357 Ibyte *e = to;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4358 Ichar ec;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4359 unsigned int value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4360
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4361 while (1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4362 {
1204
e22b0213b713 [xemacs-hg @ 2003-01-12 11:07:58 by michaels]
michaels
parents: 1067
diff changeset
4363 Ibyte c = 0;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4364 if (!ADVANCE_INPUT (c, istream))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4365 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4366
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4367 /* Wrap line every 76 characters. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4368 if (line_break)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4369 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4370 if (counter < MIME_LINE_LENGTH / 4)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4371 counter++;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4372 else
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4373 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4374 *e++ = '\n';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4375 counter = 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4376 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4377 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4378
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4379 /* Process first byte of a triplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4380 *e++ = base64_value_to_char[0x3f & c >> 2];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4381 value = (0x03 & c) << 4;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4382
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4383 /* Process second byte of a triplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4384 if (!ADVANCE_INPUT (c, istream))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4385 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4386 *e++ = base64_value_to_char[value];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4387 *e++ = '=';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4388 *e++ = '=';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4389 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4390 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4391
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4392 *e++ = base64_value_to_char[value | (0x0f & c >> 4)];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4393 value = (0x0f & c) << 2;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4394
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4395 /* Process third byte of a triplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4396 if (!ADVANCE_INPUT (c, istream))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4397 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4398 *e++ = base64_value_to_char[value];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4399 *e++ = '=';
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4400 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4401 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4402
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4403 *e++ = base64_value_to_char[value | (0x03 & c >> 6)];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4404 *e++ = base64_value_to_char[0x3f & c];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4405 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4406
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4407 return e - to;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4408 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4409 #undef ADVANCE_INPUT
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4410
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4411 /* Get next character from the stream, except that non-base64
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4412 characters are ignored. This is in accordance with rfc2045. EC
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4413 should be an Ichar, so that it can hold -1 as the value for EOF. */
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4414 #define ADVANCE_INPUT_IGNORE_NONBASE64(ec, stream, streampos) do { \
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4415 ec = Lstream_get_ichar (stream); \
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4416 ++streampos; \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4417 /* IS_BASE64 may not be called with negative arguments so check for \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4418 EOF first. */ \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4419 if (ec < 0 || IS_BASE64 (ec) || ec == '=') \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4420 break; \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4421 } while (1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4422
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4423 #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
4424 pos += set_itext_ichar (pos, (Ichar)((Binbyte)(val))); \
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4425 ++ccnt; \
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4426 } while (0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4427
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4428 static Bytebpos
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4429 base64_decode_1 (Lstream *istream, Ibyte *to, Charcount *ccptr)
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4430 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4431 Charcount ccnt = 0;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4432 Ibyte *e = to;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4433 EMACS_INT streampos = 0;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4434
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4435 while (1)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4436 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4437 Ichar ec;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4438 unsigned long value;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4439
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4440 /* Process first byte of a quadruplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4441 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4442 if (ec < 0)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4443 break;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4444 if (ec == '=')
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4445 base64_conversion_error ("Illegal `=' character while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4446 make_int (streampos));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4447 value = base64_char_to_value[ec] << 18;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4448
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4449 /* Process second byte of a quadruplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4450 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4451 if (ec < 0)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4452 base64_conversion_error ("Premature EOF while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4453 Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4454 if (ec == '=')
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4455 base64_conversion_error ("Illegal `=' character while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4456 make_int (streampos));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4457 value |= base64_char_to_value[ec] << 12;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4458 STORE_BYTE (e, value >> 16, ccnt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4459
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4460 /* Process third byte of a quadruplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4461 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4462 if (ec < 0)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4463 base64_conversion_error ("Premature EOF while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4464 Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4465
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4466 if (ec == '=')
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4467 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4468 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4469 if (ec < 0)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4470 base64_conversion_error ("Premature EOF while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4471 Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4472 if (ec != '=')
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4473 base64_conversion_error
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4474 ("Padding `=' expected but not found while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4475 make_int (streampos));
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4476 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4477 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4478
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4479 value |= base64_char_to_value[ec] << 6;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4480 STORE_BYTE (e, 0xff & value >> 8, ccnt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4481
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4482 /* Process fourth byte of a quadruplet. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4483 ADVANCE_INPUT_IGNORE_NONBASE64 (ec, istream, streampos);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4484 if (ec < 0)
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4485 base64_conversion_error ("Premature EOF while decoding base64",
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4486 Qunbound);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4487 if (ec == '=')
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4488 continue;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4489
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4490 value |= base64_char_to_value[ec];
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4491 STORE_BYTE (e, 0xff & value, ccnt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4492 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4493
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4494 *ccptr = ccnt;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4495 return e - to;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4496 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4497 #undef ADVANCE_INPUT
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4498 #undef ADVANCE_INPUT_IGNORE_NONBASE64
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4499 #undef STORE_BYTE
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4500
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4501 DEFUN ("base64-encode-region", Fbase64_encode_region, 2, 3, "r", /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4502 Base64-encode the region between START and END.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4503 Return the length of the encoded text.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4504 Optional third argument NO-LINE-BREAK means do not break long lines
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4505 into shorter lines.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4506 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4507 (start, end, no_line_break))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4508 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4509 Ibyte *encoded;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4510 Bytebpos encoded_length;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4511 Charcount allength, length;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4512 struct buffer *buf = current_buffer;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4513 Charbpos begv, zv, old_pt = BUF_PT (buf);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4514 Lisp_Object input;
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
4515 int speccount = specpdl_depth ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4516
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4517 get_buffer_range_char (buf, start, end, &begv, &zv, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4518 barf_if_buffer_read_only (buf, begv, zv);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4519
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4520 /* We need to allocate enough room for encoding the text.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4521 We need 33 1/3% more space, plus a newline every 76
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4522 characters, and then we round up. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4523 length = zv - begv;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4524 allength = length + length/3 + 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4525 allength += allength / MIME_LINE_LENGTH + 1 + 6;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4526
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4527 input = make_lisp_buffer_input_stream (buf, begv, zv, 0);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4528 /* We needn't multiply allength with MAX_ICHAR_LEN because all the
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4529 base64 characters will be single-byte. */
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4530 encoded = (Ibyte *) MALLOC_OR_ALLOCA (allength);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4531 encoded_length = base64_encode_1 (XLSTREAM (input), encoded,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4532 NILP (no_line_break));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4533 if (encoded_length > allength)
2500
3d8143fc88e1 [xemacs-hg @ 2005-01-24 23:33:30 by ben]
ben
parents: 2367
diff changeset
4534 ABORT ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4535 Lstream_delete (XLSTREAM (input));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4536
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4537 /* Now we have encoded the region, so we insert the new contents
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4538 and delete the old. (Insert first in order to preserve markers.) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4539 buffer_insert_raw_string_1 (buf, begv, encoded, encoded_length, 0);
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
4540 unbind_to (speccount);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4541 buffer_delete_range (buf, begv + encoded_length, zv + encoded_length, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4542
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4543 /* Simulate FSF Emacs implementation of this function: if point was
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4544 in the region, place it at the beginning. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4545 if (old_pt >= begv && old_pt < zv)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4546 BUF_SET_PT (buf, begv);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4547
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4548 /* We return the length of the encoded text. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4549 return make_int (encoded_length);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4550 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4551
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4552 DEFUN ("base64-encode-string", Fbase64_encode_string, 1, 2, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4553 Base64 encode STRING and return the result.
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4554 Optional argument NO-LINE-BREAK means do not break long lines
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4555 into shorter lines.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4556 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4557 (string, no_line_break))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4558 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4559 Charcount allength, length;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4560 Bytebpos encoded_length;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4561 Ibyte *encoded;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4562 Lisp_Object input, result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4563 int speccount = specpdl_depth();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4564
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4565 CHECK_STRING (string);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4566
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
4567 length = string_char_length (string);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4568 allength = length + length/3 + 1;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4569 allength += allength / MIME_LINE_LENGTH + 1 + 6;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4570
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4571 input = make_lisp_string_input_stream (string, 0, -1);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4572 encoded = (Ibyte *) MALLOC_OR_ALLOCA (allength);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4573 encoded_length = base64_encode_1 (XLSTREAM (input), encoded,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4574 NILP (no_line_break));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4575 if (encoded_length > allength)
2500
3d8143fc88e1 [xemacs-hg @ 2005-01-24 23:33:30 by ben]
ben
parents: 2367
diff changeset
4576 ABORT ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4577 Lstream_delete (XLSTREAM (input));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4578 result = make_string (encoded, encoded_length);
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
4579 unbind_to (speccount);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4580 return result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4581 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4582
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4583 DEFUN ("base64-decode-region", Fbase64_decode_region, 2, 2, "r", /*
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4584 Base64-decode the region between START and END.
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4585 Return the length of the decoded text.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4586 If the region can't be decoded, return nil and don't modify the buffer.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4587 Characters out of the base64 alphabet are ignored.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4588 */
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4589 (start, end))
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4590 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4591 struct buffer *buf = current_buffer;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4592 Charbpos begv, zv, old_pt = BUF_PT (buf);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4593 Ibyte *decoded;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4594 Bytebpos decoded_length;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4595 Charcount length, cc_decoded_length;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4596 Lisp_Object input;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4597 int speccount = specpdl_depth();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4598
444
576fb035e263 Import from CVS: tag r21-2-37
cvs
parents: 442
diff changeset
4599 get_buffer_range_char (buf, start, end, &begv, &zv, 0);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4600 barf_if_buffer_read_only (buf, begv, zv);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4601
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4602 length = zv - begv;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4603
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4604 input = make_lisp_buffer_input_stream (buf, begv, zv, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4605 /* We need to allocate enough room for decoding the text. */
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4606 decoded = (Ibyte *) MALLOC_OR_ALLOCA (length * MAX_ICHAR_LEN);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4607 decoded_length = base64_decode_1 (XLSTREAM (input), decoded, &cc_decoded_length);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4608 if (decoded_length > length * MAX_ICHAR_LEN)
2500
3d8143fc88e1 [xemacs-hg @ 2005-01-24 23:33:30 by ben]
ben
parents: 2367
diff changeset
4609 ABORT ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4610 Lstream_delete (XLSTREAM (input));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4611
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4612 /* Now we have decoded the region, so we insert the new contents
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4613 and delete the old. (Insert first in order to preserve markers.) */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4614 BUF_SET_PT (buf, begv);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4615 buffer_insert_raw_string_1 (buf, begv, decoded, decoded_length, 0);
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
4616 unbind_to (speccount);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4617 buffer_delete_range (buf, begv + cc_decoded_length,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4618 zv + cc_decoded_length, 0);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4619
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4620 /* Simulate FSF Emacs implementation of this function: if point was
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4621 in the region, place it at the beginning. */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4622 if (old_pt >= begv && old_pt < zv)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4623 BUF_SET_PT (buf, begv);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4624
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4625 return make_int (cc_decoded_length);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4626 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4627
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4628 DEFUN ("base64-decode-string", Fbase64_decode_string, 1, 1, 0, /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4629 Base64-decode STRING and return the result.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4630 Characters out of the base64 alphabet are ignored.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4631 */
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4632 (string))
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4633 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4634 Ibyte *decoded;
665
fdefd0186b75 [xemacs-hg @ 2001-09-20 06:28:42 by ben]
ben
parents: 647
diff changeset
4635 Bytebpos decoded_length;
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4636 Charcount length, cc_decoded_length;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4637 Lisp_Object input, result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4638 int speccount = specpdl_depth();
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4639
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4640 CHECK_STRING (string);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4641
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 814
diff changeset
4642 length = string_char_length (string);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4643 /* We need to allocate enough room for decoding the text. */
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4644 decoded = (Ibyte *) MALLOC_OR_ALLOCA (length * MAX_ICHAR_LEN);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4645
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4646 input = make_lisp_string_input_stream (string, 0, -1);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4647 decoded_length = base64_decode_1 (XLSTREAM (input), decoded,
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4648 &cc_decoded_length);
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4649 if (decoded_length > length * MAX_ICHAR_LEN)
2500
3d8143fc88e1 [xemacs-hg @ 2005-01-24 23:33:30 by ben]
ben
parents: 2367
diff changeset
4650 ABORT ();
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4651 Lstream_delete (XLSTREAM (input));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4652
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4653 result = make_string (decoded, decoded_length);
851
e7ee5f8bde58 [xemacs-hg @ 2002-05-23 11:46:08 by ben]
ben
parents: 826
diff changeset
4654 unbind_to (speccount);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4655 return result;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4656 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4657
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4658 Lisp_Object Qyes_or_no_p;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4659
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4660 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4661 syms_of_fns (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4662 {
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4663 INIT_LRECORD_IMPLEMENTATION (bit_vector);
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4664
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4665 DEFSYMBOL (Qstring_lessp);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4666 DEFSYMBOL (Qidentity);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4667 DEFSYMBOL (Qvector);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4668 DEFSYMBOL (Qarray);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4669 DEFSYMBOL (Qstring);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4670 DEFSYMBOL (Qlist);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4671 DEFSYMBOL (Qbit_vector);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4672
563
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4673 DEFSYMBOL (Qyes_or_no_p);
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4674
183866b06e0b [xemacs-hg @ 2001-05-24 07:50:48 by ben]
ben
parents: 456
diff changeset
4675 DEFERROR_STANDARD (Qbase64_conversion_error, Qconversion_error);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4676
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4677 DEFSUBR (Fidentity);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4678 DEFSUBR (Frandom);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4679 DEFSUBR (Flength);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4680 DEFSUBR (Fsafe_length);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4681 DEFSUBR (Fstring_equal);
801
2b676dc88c66 [xemacs-hg @ 2002-04-01 03:58:02 by ben]
ben
parents: 793
diff changeset
4682 DEFSUBR (Fcompare_strings);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4683 DEFSUBR (Fstring_lessp);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4684 DEFSUBR (Fstring_modified_tick);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4685 DEFSUBR (Fappend);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4686 DEFSUBR (Fconcat);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4687 DEFSUBR (Fvconcat);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4688 DEFSUBR (Fbvconcat);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4689 DEFSUBR (Fcopy_list);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4690 DEFSUBR (Fcopy_sequence);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4691 DEFSUBR (Fcopy_alist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4692 DEFSUBR (Fcopy_tree);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4693 DEFSUBR (Fsubstring);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4694 DEFSUBR (Fsubseq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4695 DEFSUBR (Fnthcdr);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4696 DEFSUBR (Fnth);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4697 DEFSUBR (Felt);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4698 DEFSUBR (Flast);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4699 DEFSUBR (Fbutlast);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4700 DEFSUBR (Fnbutlast);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4701 DEFSUBR (Fmember);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4702 DEFSUBR (Fold_member);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4703 DEFSUBR (Fmemq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4704 DEFSUBR (Fold_memq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4705 DEFSUBR (Fassoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4706 DEFSUBR (Fold_assoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4707 DEFSUBR (Fassq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4708 DEFSUBR (Fold_assq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4709 DEFSUBR (Frassoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4710 DEFSUBR (Fold_rassoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4711 DEFSUBR (Frassq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4712 DEFSUBR (Fold_rassq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4713 DEFSUBR (Fdelete);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4714 DEFSUBR (Fold_delete);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4715 DEFSUBR (Fdelq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4716 DEFSUBR (Fold_delq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4717 DEFSUBR (Fremassoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4718 DEFSUBR (Fremassq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4719 DEFSUBR (Fremrassoc);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4720 DEFSUBR (Fremrassq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4721 DEFSUBR (Fnreverse);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4722 DEFSUBR (Freverse);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4723 DEFSUBR (Fsort);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4724 DEFSUBR (Fplists_eq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4725 DEFSUBR (Fplists_equal);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4726 DEFSUBR (Flax_plists_eq);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4727 DEFSUBR (Flax_plists_equal);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4728 DEFSUBR (Fplist_get);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4729 DEFSUBR (Fplist_put);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4730 DEFSUBR (Fplist_remprop);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4731 DEFSUBR (Fplist_member);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4732 DEFSUBR (Fcheck_valid_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4733 DEFSUBR (Fvalid_plist_p);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4734 DEFSUBR (Fcanonicalize_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4735 DEFSUBR (Flax_plist_get);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4736 DEFSUBR (Flax_plist_put);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4737 DEFSUBR (Flax_plist_remprop);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4738 DEFSUBR (Flax_plist_member);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4739 DEFSUBR (Fcanonicalize_lax_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4740 DEFSUBR (Fdestructive_alist_to_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4741 DEFSUBR (Fget);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4742 DEFSUBR (Fput);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4743 DEFSUBR (Fremprop);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4744 DEFSUBR (Fobject_plist);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4745 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
4746 DEFSUBR (Fequalp);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4747 DEFSUBR (Fold_equal);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4748 DEFSUBR (Ffillarray);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4749 DEFSUBR (Fnconc);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4750 DEFSUBR (FmapcarX);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4751 DEFSUBR (Fmapvector);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4752 DEFSUBR (Fmapcan);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4753 DEFSUBR (Fmapc);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4754 DEFSUBR (Fmapconcat);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4755 DEFSUBR (Fmap);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4756 DEFSUBR (Fmap_into);
4997
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
4757 DEFSUBR (Fsome);
8800b5350a13 Move #'some, #'every to C, implementing them with mapcarX.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4996
diff changeset
4758 DEFSUBR (Fevery);
4995
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4759 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
4760 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
4761 DEFSUBR (Fmaplist);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4762 DEFSUBR (Fmapl);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4763 DEFSUBR (Fmapcon);
8431b52e43b1 Move the various map* functions to C; add #'map-into.
Aidan Kehoe <kehoea@parhasard.net>
parents: 4797
diff changeset
4764
442
abe6d1db359e Import from CVS: tag r21-2-36
cvs
parents: 440
diff changeset
4765 DEFSUBR (Freplace_list);
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4766 DEFSUBR (Fload_average);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4767 DEFSUBR (Ffeaturep);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4768 DEFSUBR (Frequire);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4769 DEFSUBR (Fprovide);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4770 DEFSUBR (Fbase64_encode_region);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4771 DEFSUBR (Fbase64_encode_string);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4772 DEFSUBR (Fbase64_decode_region);
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4773 DEFSUBR (Fbase64_decode_string);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4774
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4775 DEFSUBR (Fsplit_string_by_char);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4776 DEFSUBR (Fsplit_path); /* #### */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4777 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4778
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4779 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4780 vars_of_fns (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4781 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4782 DEFVAR_LISP ("path-separator", &Vpath_separator /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4783 The directory separator in search paths, as a string.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4784 */ );
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4785 {
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
4786 Ascbyte c = SEPCHAR;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 853
diff changeset
4787 Vpath_separator = make_string ((Ibyte *) &c, 1);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents: 751
diff changeset
4788 }
428
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4789 }
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4790
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4791 void
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4792 init_provide_once (void)
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4793 {
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4794 DEFVAR_LISP ("features", &Vfeatures /*
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4795 A list of symbols which are the features of the executing emacs.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4796 Used by `featurep' and `require', and altered by `provide'.
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4797 */ );
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4798 Vfeatures = Qnil;
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4799
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4800 Fprovide (intern ("base64"));
3ecd8885ac67 Import from CVS: tag r21-2-22
cvs
parents:
diff changeset
4801 }