#ifndef SCM_REGEX_POSIX_H
#define SCM_REGEX_POSIX_H

/* Copyright 1997-1998,2000-2001,2006,2008,2018,2025
     Free Software Foundation, Inc.

   This file is part of Guile.

   Guile is free software: you can redistribute it and/or modify it
   under the terms of the GNU Lesser General Public License as published
   by the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Guile is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
   License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with Guile.  If not, see
   <https://www.gnu.org/licenses/>.  */



#include <regex.h>

#include <libguile/scm.h>

struct scm_regexp
{
  scm_t_bits tag;
  regex_t regex;
};

static inline int
scm_is_regexp (SCM x)
{
  return SCM_HAS_TYP16 (x, scm_tc16_regexp);
}

static inline struct scm_regexp*
scm_to_regexp (SCM x)
{
  if (!scm_is_regexp (x))
    abort ();
  return (struct scm_regexp *) SCM_UNPACK_POINTER (x);
}

static inline SCM
scm_from_regexp (struct scm_regexp *x)
{
  return SCM_PACK_POINTER (x);
}

#define SCM_REGEXP_P(x)	(scm_is_regexp (x))
#define SCM_VALIDATE_REGEXP(pos, a) \
  SCM_MAKE_VALIDATE_MSG (pos, a, REGEXP_P, "regexp")

SCM_INTERNAL void scm_i_finalize_regexp (struct scm_thread*, SCM);
SCM_INTERNAL void scm_init_regex_posix (void);

#endif  /* SCM_REGEX_POSIX_H */