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1 /* Copyright (C) 1995 Free Software Foundation.
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2
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3 This file is part of XEmacs.
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4
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5 XEmacs is free software; you can redistribute it and/or modify it
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6 under the terms of the GNU General Public License as published by the
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7 Free Software Foundation; either version 2, or (at your option) any
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8 later version.
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9
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10 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with XEmacs; see the file COPYING. If not, write to
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17 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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18 Boston, MA 02111-1307, USA. */
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19
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20 /* Synched up with: Mule 2.3. Not in FSF. */
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21
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22 #include <config.h>
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23 #include "lisp.h"
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24
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25 #include "regex.h"
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26
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27 #ifdef MULE_REGEXP
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28
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29 Lisp_Object Vre_word;
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30
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31 int re_short_flag;
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32
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33
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34 DEFUN ("define-word-pattern", Fdefine_word_pattern, 1, 1, 0, /*
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35 Don't call this function directly, instead use 'define-word' which
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36 accept a pattern compiled by 'regexp-compile' with word-option t.
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37 */
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38 (pattern))
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39 {
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40 int i, len;
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41 char *p;
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42 Lisp_Object temp;
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43 struct Lisp_String *s;
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44
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45 CHECK_CONS (pattern);
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46 len = XINT (Flength (pattern));
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47 if (len > MAXWORDBUF)
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48 error ("Too complicated regular expression for word!");
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49 for (i = 0; i < len; i++)
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50 {
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51 temp =XCONS (pattern)->car;
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52 CHECK_VECTOR (temp);
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53 CHECK_STRING (XVECTOR (temp)->contents[0]);
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54 s = XSTRING (XVECTOR (temp)->contents[0]);
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55 if (!wordbuf[i])
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56 wordbuf[i] = (struct re_pattern_buffer *)
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57 xmalloc (sizeof (struct re_pattern_buffer));
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58 else
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59 if (wordbuf[i]->buffer) xfree (wordbuf[i]->buffer);
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60 wordbuf[i]->buffer = (char *) xmalloc (s->size + 1);
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61 wordbuf[i]->used = s->size;
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62 memcpy (wordbuf[i]->buffer, s->data, s->size + 1);
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63 #ifdef EMACS19_REGEXP
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64 wordbuf[i]->translate = 0;
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65 wordbuf[i]->fastmap_accurate = 0;
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66 wordbuf[i]->fastmap = 0;
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67 wordbuf[i]->can_be_null = 1;
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68
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69 wordbuf[i]->mc_flag = 1;
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70 wordbuf[i]->short_flag = 0;
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71 wordbuf[i]->no_empty = 0;
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72
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73 wordbuf[i]->syntax_version = 0;
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74 wordbuf[i]->category_version = 0;
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75
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76 wordbuf[i]->regs_allocated = REGS_UNALLOCATED;
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77 wordbuf[i]->re_nsub = 0;
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78 wordbuf[i]->no_sub = 0;
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79 wordbuf[i]->newline_anchor = 1;
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80
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81 wordbuf[i]->syntax = 0;
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82 wordbuf[i]->not_bol = wordbuf[i]->not_eol = 0;
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83 #endif /* EMACS19_REGEXP */
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84 pattern = XCONS (pattern)->cdr;
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85 }
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86 for (; i < MAXWORDBUF && wordbuf[i]; i++)
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87 {
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88 if (wordbuf[i]->buffer) xfree (wordbuf[i]->buffer);
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89 xfree (wordbuf[i]);
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90 wordbuf[i] = (struct re_pattern_buffer *) 0;
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91 }
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92 return Qnil;
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93 }
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94
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95 #endif /* MULE_REGEXP */
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96
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97
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98 void
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99 syms_of_mule (void)
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100 {
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101 #ifdef MULE_REGEXP
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102 DEFSUBR (Fdefine_word_pattern);
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103 #endif
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104 }
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105
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106 void
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107 vars_of_mule (void)
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108 {
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109 #ifdef MULE_REGEXP
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110 DEFVAR_BOOL ("re-short-flag", &re_short_flag /*
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111 *T means regexp search success when the shortest match is found.
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112 */ );
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113 re_short_flag = 0;
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114 #endif /* MULE_REGEXP */
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115
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116 Vfeatures = Fcons (intern ("mule"), Vfeatures);
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117
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118 #ifdef HAVE_EGG
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119 Vfeatures = Fcons (intern ("egg"), Vfeatures);
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120 #endif
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121 #ifdef HAVE_WNN
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122 Vfeatures = Fcons (intern ("wnn"), Vfeatures);
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123 #endif
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124 #ifdef HAVE_SJ3
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125 Vfeatures = Fcons (intern "sj3"), Vfeatures);
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126 #endif
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127 }
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