/* classes: h_files */
-#ifndef SMOBH
-#define SMOBH
-/* Copyright (C) 1995, 1996, 1998, 1999, 2000 Free Software Foundation, Inc.
- *
+#ifndef SCM_SMOB_H
+#define SCM_SMOB_H
+
+/* Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc.
+ *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
+
\f
+
#include "libguile/__scm.h"
#include "libguile/print.h"
typedef struct scm_smob_descriptor
{
char *name;
- scm_sizet size;
+ size_t size;
SCM (*mark) (SCM);
- scm_sizet (*free) (SCM);
+ size_t (*free) (SCM);
int (*print) (SCM exp, SCM port, scm_print_state *pstate);
SCM (*equalp) (SCM, SCM);
+ SCM (*apply) ();
+ SCM (*apply_0) (SCM);
+ SCM (*apply_1) (SCM, SCM);
+ SCM (*apply_2) (SCM, SCM, SCM);
+ SCM (*apply_3) (SCM, SCM, SCM, SCM);
+ int gsubr_type; /* Used in procprop.c */
} scm_smob_descriptor;
\f
#define SCM_NEWSMOB(z, tc, data) \
do { \
- SCM_NEWCELL (z); \
- SCM_SET_CELL_WORD_1 ((z), (data)); \
- SCM_SET_CELL_TYPE ((z), (tc)); \
+ z = scm_cell ((tc), (scm_t_bits) (data)); \
} while (0)
#define SCM_RETURN_NEWSMOB(tc, data) \
#define SCM_NEWSMOB2(z, tc, data1, data2) \
do { \
- SCM_NEWCELL2 (z); \
- SCM_SET_CELL_WORD_1 ((z), (data1)); \
- SCM_SET_CELL_WORD_2 ((z), (data2)); \
- SCM_SET_CELL_TYPE ((z), (tc)); \
+ z = scm_double_cell ((tc), (scm_t_bits)(data1), (scm_t_bits)(data2), 0); \
} while (0)
#define SCM_RETURN_NEWSMOB2(tc, data1, data2) \
#define SCM_NEWSMOB3(z, tc, data1, data2, data3) \
do { \
- SCM_NEWCELL2 (z); \
- SCM_SET_CELL_WORD_1 ((z), (data1)); \
- SCM_SET_CELL_WORD_2 ((z), (data2)); \
- SCM_SET_CELL_WORD_3 ((z), (data3)); \
- SCM_SET_CELL_TYPE ((z), (tc)); \
+ z = scm_double_cell ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), (scm_t_bits)(data3)); \
} while (0)
#define SCM_RETURN_NEWSMOB3(tc, data1, data2, data3) \
#define SCM_SMOBNUM(x) (SCM_TC2SMOBNUM (SCM_CELL_TYPE (x)))
/* SCM_SMOBNAME can be 0 if name is missing */
#define SCM_SMOBNAME(smobnum) (scm_smobs[smobnum].name)
-#define SCM_SMOB_PREDICATE(tag, obj) (SCM_NIMP (obj) \
- && SCM_TYP16 (obj) == (tag))
+#define SCM_SMOB_PREDICATE(tag, obj) SCM_TYP16_PREDICATE (tag, obj)
+#define SCM_SMOB_DESCRIPTOR(x) (scm_smobs[SCM_SMOBNUM (x)])
+#define SCM_SMOB_APPLICABLE_P(x) (SCM_SMOB_DESCRIPTOR (x).apply)
+#define SCM_SMOB_APPLY_0(x) (SCM_SMOB_DESCRIPTOR (x).apply_0 (x))
+#define SCM_SMOB_APPLY_1(x, a1) (SCM_SMOB_DESCRIPTOR (x).apply_1 (x, (a1)))
+#define SCM_SMOB_APPLY_2(x, a1, a2) (SCM_SMOB_DESCRIPTOR (x).apply_2 (x, (a1), (a2)))
+#define SCM_SMOB_APPLY_3(x, a1, a2, rst) (SCM_SMOB_DESCRIPTOR (x).apply_3 (x, (a1), (a2), (rst)))
-extern int scm_numsmob;
-extern scm_smob_descriptor *scm_smobs;
+SCM_API long scm_numsmob;
+SCM_API scm_smob_descriptor scm_smobs[];
\f
-extern SCM scm_mark0 (SCM ptr);
-extern SCM scm_markcdr (SCM ptr);
-extern scm_sizet scm_free0 (SCM ptr);
-extern scm_sizet scm_smob_free (SCM obj);
-extern int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);
-
-/* These next two functions are the supported way to create new SMOB types.
-
- scm_make_smob_type is useful if there are no special smob functions
- and the defaults work for mark,free,print,equal_p, or you want to use
- scm_set_smob_{mark,free,print,equalp}, below.
-
- scm_make_smob_type_mfpe is ideal if you need to set one or more of
- the special smob functions-- use NULL for when the default function
- is fine
-*/
-
-extern long scm_make_smob_type (char *name, scm_sizet size);
+SCM_API SCM scm_mark0 (SCM ptr);
+SCM_API SCM scm_markcdr (SCM ptr);
+SCM_API size_t scm_free0 (SCM ptr);
+SCM_API size_t scm_smob_free (SCM obj);
+SCM_API int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);
-extern long scm_make_smob_type_mfpe (char *name, scm_sizet size,
- SCM (*mark) (SCM),
- scm_sizet (*free) (SCM),
- int (*print) (SCM, SCM, scm_print_state*),
- SCM (*equalp) (SCM, SCM));
-
-extern void scm_set_smob_mark (long tc, SCM (*mark) (SCM));
-extern void scm_set_smob_free (long tc, scm_sizet (*free) (SCM));
-extern void scm_set_smob_print (long tc, int (*print) (SCM,
- SCM,
- scm_print_state*));
-extern void scm_set_smob_equalp (long tc, SCM (*equalp) (SCM, SCM));
-/* convenience function for registering multiple handler fns */
-extern void scm_set_smob_mfpe (long tc,
- SCM (*mark) (SCM),
- scm_sizet (*free) (SCM),
- int (*print) (SCM, SCM, scm_print_state*),
- SCM (*equalp) (SCM, SCM));
-
-
-extern SCM scm_make_smob (long tc);
-extern void scm_smob_prehistory (void);
-
-\f
-
-#endif /* SMOBH */
+/* The following set of functions is the standard way to create new
+ * SMOB types.
+ *
+ * Create a type tag using `scm_make_smob_type', accept default values
+ * for mark, free, print and/or equalp functions, or set your own
+ * values using `scm_set_smob_xxx'.
+ */
+
+SCM_API scm_t_bits scm_make_smob_type (char *name, size_t size);
+
+SCM_API void scm_set_smob_mark (scm_t_bits tc, SCM (*mark) (SCM));
+SCM_API void scm_set_smob_free (scm_t_bits tc, size_t (*free) (SCM));
+SCM_API void scm_set_smob_print (scm_t_bits tc,
+ int (*print) (SCM, SCM, scm_print_state*));
+SCM_API void scm_set_smob_equalp (scm_t_bits tc, SCM (*equalp) (SCM, SCM));
+SCM_API void scm_set_smob_apply (scm_t_bits tc,
+ SCM (*apply) (),
+ unsigned int req,
+ unsigned int opt,
+ unsigned int rst);
+
+/* Function for creating smobs */
+
+SCM_API SCM scm_make_smob (scm_t_bits tc);
+SCM_API void scm_smob_prehistory (void);
+
+#endif /* SCM_SMOB_H */
/*
Local Variables: