XEmacs / src / mule.c

/* Copyright (C) 1995 Free Software Foundation.

This file is part of XEmacs.

XEmacs is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.

XEmacs is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
for more details.

You should have received a copy of the GNU General Public License
along with XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Synched up with: Mule 2.3.  Not in FSF. */

#include <config.h>
#include "lisp.h"

#include "regex.h"


Lisp_Object Vre_word;

int re_short_flag;

DEFUN ("define-word-pattern", Fdefine_word_pattern, 1, 1, 0, /*
Don't call this function directly, instead use 'define-word' which
accept a pattern compiled by 'regexp-compile' with word-option t.
  int i, len;
  char *p;
  Lisp_Object temp;
  struct Lisp_String *s;

  CHECK_CONS (pattern);
  len = XINT (Flength (pattern));
  if (len > MAXWORDBUF)
    error ("Too complicated regular expression for word!");
  for (i = 0; i < len; i++)
      temp =XCONS (pattern)->car;
      CHECK_VECTOR (temp);
      CHECK_STRING (XVECTOR (temp)->contents[0]);
      s = XSTRING (XVECTOR (temp)->contents[0]);
      if (!wordbuf[i])
	wordbuf[i] = (struct re_pattern_buffer *)
	  xmalloc (sizeof (struct re_pattern_buffer));
	if (wordbuf[i]->buffer) xfree (wordbuf[i]->buffer);
      wordbuf[i]->buffer = (char *) xmalloc (s->size + 1);
      wordbuf[i]->used = s->size;
      memcpy (wordbuf[i]->buffer, s->data, s->size + 1);
      wordbuf[i]->translate = 0;
      wordbuf[i]->fastmap_accurate = 0;
      wordbuf[i]->fastmap = 0;
      wordbuf[i]->can_be_null = 1;

      wordbuf[i]->mc_flag = 1;
      wordbuf[i]->short_flag = 0;
      wordbuf[i]->no_empty = 0;

      wordbuf[i]->syntax_version = 0;
      wordbuf[i]->category_version = 0;

      wordbuf[i]->regs_allocated = REGS_UNALLOCATED;
      wordbuf[i]->re_nsub = 0;				
      wordbuf[i]->no_sub = 0;
      wordbuf[i]->newline_anchor = 1;

      wordbuf[i]->syntax = 0;
      wordbuf[i]->not_bol = wordbuf[i]->not_eol = 0;
#endif /* EMACS19_REGEXP */
      pattern = XCONS (pattern)->cdr;
  for (; i < MAXWORDBUF && wordbuf[i]; i++)
      if (wordbuf[i]->buffer) xfree (wordbuf[i]->buffer);
      xfree (wordbuf[i]);
      wordbuf[i] = (struct re_pattern_buffer *) 0;
  return Qnil;

#endif /* MULE_REGEXP */

syms_of_mule (void)
  DEFSUBR (Fdefine_word_pattern);

vars_of_mule (void)
  DEFVAR_BOOL ("re-short-flag", &re_short_flag /*
*T means regexp search success when the shortest match is found.
*/ );
  re_short_flag = 0;
#endif /* MULE_REGEXP */

  Vfeatures = Fcons (intern ("mule"), Vfeatures);

#ifdef HAVE_EGG
  Vfeatures = Fcons (intern ("egg"), Vfeatures);
#ifdef HAVE_WNN
  Vfeatures = Fcons (intern ("wnn"), Vfeatures);
#ifdef HAVE_SJ3
  Vfeatures = Fcons (intern "sj3"), Vfeatures);
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