6 /* Copyright (C) 1995,1996,2000,2001, 2006 Free Software Foundation, Inc.
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "libguile/__scm.h"
26 #include "libguile/smob.h"
32 #define SCM_VARIABLEP(X) (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable)
33 #define SCM_VARIABLE_REF(V) SCM_CELL_OBJECT_1 (V)
34 #define SCM_VARIABLE_SET(V, X) SCM_SET_CELL_OBJECT_1 (V, X)
35 #define SCM_VARIABLE_LOC(V) (SCM_CELL_OBJECT_LOC ((V), 1))
39 SCM_API SCM scm_make_variable (SCM init);
40 SCM_API SCM scm_make_undefined_variable (void);
41 SCM_API SCM scm_variable_p (SCM obj);
42 SCM_API SCM scm_variable_ref (SCM var);
43 SCM_API SCM scm_variable_set_x (SCM var, SCM val);
44 SCM_API SCM scm_variable_bound_p (SCM var);
46 SCM_API void scm_i_variable_print (SCM var, SCM port, scm_print_state *pstate);
48 SCM_API void scm_init_variable (void);
50 #endif /* SCM_VARIABLE_H */