1 /* classes: h_files */ 2 3 #ifndef SCM_VARIABLE_H 4 #define SCM_VARIABLE_H 5 6 /* Copyright (C) 1995,1996,2000,2001, 2006 Free Software Foundation, Inc. 7 * 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. 12 * 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. 17 * 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 21 */ 22 23 24 25 #include "libguile/__scm.h" 26 #include "libguile/smob.h" 27 28 29 30 /* Variables 31 */ 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)) 36 37 38 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); 45 46 SCM_API void scm_i_variable_print (SCM var, SCM port, scm_print_state *pstate); 47 48 SCM_API void scm_init_variable (void); 49 50 #endif /* SCM_VARIABLE_H */ 51 52 /* 53 Local Variables: 54 c-file-style: "gnu" 55 End: 56 */ 57