5 /* Copyright (C) 1995,1996 Free Software Foundation, Inc.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this software; see the file COPYING. If not, write to
19 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
21 * As a special exception, the Free Software Foundation gives permission
22 * for additional uses of the text contained in its release of GUILE.
24 * The exception is that, if you link the GUILE library with other files
25 * to produce an executable, this does not by itself cause the
26 * resulting executable to be covered by the GNU General Public License.
27 * Your use of that executable is in no way restricted on account of
28 * linking the GUILE library code into it.
30 * This exception does not however invalidate any other reasons why
31 * the executable file might be covered by the GNU General Public License.
33 * This exception applies only to the code released by the
34 * Free Software Foundation under the name GUILE. If you copy
35 * code from other Free Software Foundation releases into a copy of
36 * GUILE, as the General Public License permits, the exception does
37 * not apply to the code that you add in this way. To avoid misleading
38 * anyone as to the status of such modified files, you must delete
39 * this exception notice from them.
41 * If you write modifications of your own for GUILE, it is your choice
42 * whether to permit this exception to apply to your modifications.
43 * If you do not wish that, delete this exception notice.
46 #include "libguile/__scm.h"
49 typedef struct scm_smobfuns
51 SCM (*mark
) SCM_P ((SCM
));
52 scm_sizet (*free
) SCM_P ((SCM
));
53 int (*print
) SCM_P ((SCM exp
, SCM port
, scm_print_state
*pstate
));
54 SCM (*equalp
) SCM_P ((SCM
, SCM
));
59 #define SCM_SMOBNUM(x) (0x0ff & (SCM_CAR(x)>>8))
61 extern scm_sizet scm_numsmob
;
62 extern scm_smobfuns
*scm_smobs
;
66 /* Everyone who uses smobs needs to print. */
67 #include "libguile/ports.h"
68 #include "libguile/genio.h"
70 /* ... and they all need to GC. */
71 #include "libguile/markers.h"
74 extern long scm_newsmob
SCM_P ((scm_smobfuns
*smob
));
75 extern void scm_smob_prehistory
SCM_P ((void));