1 /* guile-irrlicht --- GNU Guile bindings for Irrlicht Engine
3 Copyright (C) 2020 Javier Sancho <jsf@jsancho.org>
5 This file is part of guile-irrlicht.
7 guile-irrlicht is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as
9 published by the Free Software Foundation; either version 3 of the
10 License, or (at your option) any later version.
12 guile-irrlicht is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with guile-irrlicht. If not, see
19 <http://www.gnu.org/licenses/>.
22 #ifndef __GUILE_IRRLICHT_WRAPPED_H_INCLUDED__
23 #define __GUILE_IRRLICHT_WRAPPED_H_INCLUDED__
27 #define DECLARE_WRAPPED_TYPE(TYPE, INIT, PRED, WRAP, UNWRAP) \
32 WRAP (TYPE foreign_obj); \
35 UNWRAP (SCM wrapped_obj); \
38 PRED (SCM wrapped_obj);
41 #define DEFINE_WRAPPED_TYPE(TYPE, PRINT_NAME, INIT, PRED, WRAP, UNWRAP) \
42 static SCM wrapped_##INIT; \
48 scm_t_struct_finalize finalizer; \
50 name = scm_from_utf8_symbol (PRINT_NAME); \
51 slots = scm_list_1 (scm_from_utf8_symbol ("data")); \
55 scm_make_foreign_object_type (name, slots, finalizer); \
59 WRAP (TYPE foreign_obj) \
61 return scm_make_foreign_object_1 (wrapped_##INIT, foreign_obj); \
65 UNWRAP (SCM wrapped_obj) \
67 scm_assert_foreign_object_type (wrapped_##INIT, wrapped_obj); \
68 return (TYPE)scm_foreign_object_ref (wrapped_obj, 0); \
72 PRED (SCM wrapped_obj) \
74 return SCM_IS_A_P (wrapped_obj, wrapped_##INIT); \