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Diffstat (limited to 'libguile/foreign-object.h')
-rw-r--r-- | libguile/foreign-object.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libguile/foreign-object.h b/libguile/foreign-object.h new file mode 100644 index 000000000..806b7eddb --- /dev/null +++ b/libguile/foreign-object.h @@ -0,0 +1,62 @@ +#ifndef SCM_FOREIGN_OBJECT_H +#define SCM_FOREIGN_OBJECT_H + +/* Copyright (C) 2014 Free Software Foundation, Inc. + * + * This library 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. + * + * This library 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 this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" +#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 */ |