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This will replace an internal interface in (system foreign-objects). * module/system/finalizers.scm: New file. * am/bootstrap.am (SOURCES): Add new file. * libguile/foreign-object.h: * libguile/foreign-object.c (invoke_finalizer): (sys_add_finalizer_x): (scm_init_foreign_object): (scm_register_foreign_object): Remove. * libguile/init.c (scm_i_init_guile): Register finalizers instead of foreign-object. * module/system/foreign-object.scm (allocate-instance): Use finalizers module. * libguile/finalizers.c (invoke_finalizer): (scm_sys_add_finalizer): New helper.
60 lines
2.4 KiB
C
60 lines
2.4 KiB
C
#ifndef SCM_FOREIGN_OBJECT_H
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#define SCM_FOREIGN_OBJECT_H
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/* Copyright 2014,2018,2025
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Free Software Foundation, Inc.
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This file is part of Guile.
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Guile is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Guile is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with Guile. If not, see
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<https://www.gnu.org/licenses/>. */
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#include "libguile/print.h"
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SCM_API SCM scm_make_foreign_object_type (SCM name, SCM slot_names,
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scm_t_struct_finalize finalizer);
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SCM_API void scm_assert_foreign_object_type (SCM type, SCM val);
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/* All objects of a given foreign object type have the same number of
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fields. When constructing a foreign object, you don't have to pass
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initializers for all of the fields; it is always OK to call
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scm_make_foreign_object_0 and initialize the fields by hand with
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scm_foreign_object_set_x or other setters. The initial value of
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fields that haven't been explicitly given a value is 0. */
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SCM_API SCM scm_make_foreign_object_0 (SCM type);
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SCM_API SCM scm_make_foreign_object_1 (SCM type, void *val0);
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SCM_API SCM scm_make_foreign_object_2 (SCM type, void *val0, void *val1);
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SCM_API SCM scm_make_foreign_object_3 (SCM type, void *val0, void *val1,
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void *val2);
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SCM_API SCM scm_make_foreign_object_n (SCM type, size_t n, void *vals[]);
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SCM_API void* scm_foreign_object_ref (SCM obj, size_t n);
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SCM_API void scm_foreign_object_set_x (SCM obj, size_t n, void *val);
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SCM_API scm_t_bits scm_foreign_object_unsigned_ref (SCM obj, size_t n);
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SCM_API void scm_foreign_object_unsigned_set_x (SCM obj, size_t n,
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scm_t_bits val);
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SCM_API scm_t_signed_bits scm_foreign_object_signed_ref (SCM obj, size_t n);
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SCM_API void scm_foreign_object_signed_set_x (SCM obj, size_t n,
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scm_t_signed_bits val);
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#endif /* SCM_FOREIGN_OBJECT_H */
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