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#ifndef SCM_FOREIGN_OBJECT_H
#define SCM_FOREIGN_OBJECT_H
/* Copyright 2014,2018
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/print.h"
SCM_API SCM scm_make_foreign_object_type (SCM name, SCM slot_names,
scm_t_struct_finalize finalizer);
SCM_API void scm_assert_foreign_object_type (SCM type, SCM val);
/* All objects of a given foreign object type have the same number of
fields. When constructing a foreign object, you don't have to pass
initializers for all of the fields; it is always OK to call
scm_make_foreign_object_0 and initialize the fields by hand with
scm_foreign_object_set_x or other setters. The initial value of
fields that haven't been explicitly given a value is 0. */
SCM_API SCM scm_make_foreign_object_0 (SCM type);
SCM_API SCM scm_make_foreign_object_1 (SCM type, void *val0);
SCM_API SCM scm_make_foreign_object_2 (SCM type, void *val0, void *val1);
SCM_API SCM scm_make_foreign_object_3 (SCM type, void *val0, void *val1,
void *val2);
SCM_API SCM scm_make_foreign_object_n (SCM type, size_t n, void *vals[]);
SCM_API void* scm_foreign_object_ref (SCM obj, size_t n);
SCM_API void scm_foreign_object_set_x (SCM obj, size_t n, void *val);
SCM_API scm_t_bits scm_foreign_object_unsigned_ref (SCM obj, size_t n);
SCM_API void scm_foreign_object_unsigned_set_x (SCM obj, size_t n,
scm_t_bits val);
SCM_API scm_t_signed_bits scm_foreign_object_signed_ref (SCM obj, size_t n);
SCM_API void scm_foreign_object_signed_set_x (SCM obj, size_t n,
scm_t_signed_bits val);
SCM_INTERNAL void scm_register_foreign_object (void);
#endif /* SCM_FOREIGN_OBJECT_H */
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