#ifndef SCM_MACROS_INTERNAL_H
#define SCM_MACROS_INTERNAL_H

/* Copyright 1998,2000-2003,2006,2008-2010,2018,2025
     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 "libguile/macros.h"



struct scm_syntax_transformer
{
  scm_t_bits tag;
  scm_t_macro_primitive primitive;
  SCM name;
  SCM type;
  SCM binding;
};

static inline int
scm_is_syntax_transformer (SCM x)
{
  return SCM_HAS_TYP16 (x, scm_tc16_syntax_transformer);
}

static inline struct scm_syntax_transformer*
scm_to_syntax_transformer (SCM x)
{
  if (!scm_is_syntax_transformer (x))
    abort ();
  return (struct scm_syntax_transformer *)SCM_UNPACK_POINTER (x);
}

static inline SCM
scm_from_syntax_transformer (struct scm_syntax_transformer *m)
{
  return SCM_PACK_POINTER (m);
}

#define SCM_MACROP(x) scm_is_syntax_transformer (x)
#define SCM_VALIDATE_MACRO(p,v) SCM_MAKE_VALIDATE ((p), (v), MACROP)

typedef SCM (*scm_t_macro_primitive) (SCM, SCM);

SCM_INTERNAL int scm_i_print_syntax_transformer (SCM macro, SCM port,
                                                 scm_print_state *pstate);
SCM_INTERNAL
SCM scm_i_make_primitive_syntax_transformer (const char *name,
                                             scm_t_macro_primitive fn);
SCM_INTERNAL scm_t_macro_primitive scm_i_primitive_syntax_transformer (SCM m);

SCM_INTERNAL void scm_init_macros (void);


#endif  /* SCM_MACROS_INTERNAL_H */