#ifndef SCM_SMOB_H
#define SCM_SMOB_H
-/* Copyright (C) 1995,1996,1998,1999,2000,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,1999,2000,2001, 2004, 2006 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
\f
#include "libguile/__scm.h"
#include "libguile/print.h"
+#include "libguile/boehm-gc.h"
+
+
\f
/* This is the internal representation of a smob type */
int gsubr_type; /* Used in procprop.c */
} scm_smob_descriptor;
-\f
-#define SCM_NEWSMOB(z, tc, data) \
-do { \
- z = scm_cell ((tc), (scm_t_bits) (data)); \
-} while (0)
-
-#define SCM_RETURN_NEWSMOB(tc, data) \
- do { SCM __SCM_smob_answer; \
- SCM_NEWSMOB (__SCM_smob_answer, (tc), (data)); \
- return __SCM_smob_answer; \
+\f
+SCM_API SCM scm_i_new_smob_with_mark_proc (scm_t_bits tc,
+ scm_t_bits, scm_t_bits, scm_t_bits);
+
+
+
+#define SCM_NEWSMOB(z, tc, data) \
+do \
+ { \
+ register scm_t_bits _smobnum = SCM_TC2SMOBNUM (tc); \
+ z = (scm_smobs[_smobnum].mark \
+ ? scm_i_new_smob_with_mark_proc ((tc), (scm_t_bits)(data), \
+ 0, 0) \
+ : scm_cell (tc, (scm_t_bits)(data))); \
+ if (scm_smobs[_smobnum].free) \
+ { \
+ GC_finalization_proc _prev_finalizer; \
+ GC_PTR _prev_finalizer_data; \
+ \
+ GC_REGISTER_FINALIZER_NO_ORDER (SCM2PTR (z), scm_i_finalize_smob, \
+ NULL, \
+ &_prev_finalizer, \
+ &_prev_finalizer_data); \
+ } \
+ } \
+while (0)
+
+#define SCM_RETURN_NEWSMOB(tc, data) \
+ do { SCM __SCM_smob_answer; \
+ SCM_NEWSMOB (__SCM_smob_answer, (tc), (data)); \
+ return __SCM_smob_answer; \
} while (0)
-#define SCM_NEWSMOB2(z, tc, data1, data2) \
-do { \
- z = scm_double_cell ((tc), (scm_t_bits)(data1), (scm_t_bits)(data2), 0); \
-} while (0)
+#define SCM_NEWSMOB2(z, tc, data1, data2) \
+ SCM_NEWSMOB3 (z, tc, data1, data2, 0)
-#define SCM_RETURN_NEWSMOB2(tc, data1, data2) \
- do { SCM __SCM_smob_answer; \
- SCM_NEWSMOB2 (__SCM_smob_answer, (tc), (data1), (data2)); \
- return __SCM_smob_answer; \
+#define SCM_RETURN_NEWSMOB2(tc, data1, data2) \
+ do { SCM __SCM_smob_answer; \
+ SCM_NEWSMOB2 (__SCM_smob_answer, (tc), (data1), (data2)); \
+ return __SCM_smob_answer; \
} while (0)
-#define SCM_NEWSMOB3(z, tc, data1, data2, data3) \
-do { \
- 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) \
- do { SCM __SCM_smob_answer; \
- SCM_NEWSMOB3 (__SCM_smob_answer, (tc), (data1), (data2), (data3)); \
- return __SCM_smob_answer; \
+#define SCM_NEWSMOB3(z, tc, data1, data2, data3) \
+do \
+ { \
+ register scm_t_bits _smobnum = SCM_TC2SMOBNUM (tc); \
+ z = (scm_smobs[_smobnum].mark \
+ ? scm_i_new_smob_with_mark_proc (tc, (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), \
+ (scm_t_bits)(data3)) \
+ : scm_double_cell ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), \
+ (scm_t_bits)(data3))); \
+ if (scm_smobs[_smobnum].free) \
+ { \
+ GC_finalization_proc _prev_finalizer; \
+ GC_PTR _prev_finalizer_data; \
+ \
+ GC_REGISTER_FINALIZER_NO_ORDER (SCM2PTR (z), scm_i_finalize_smob, \
+ NULL, \
+ &_prev_finalizer, \
+ &_prev_finalizer_data); \
+ } \
+ } \
+while (0)
+
+#define SCM_RETURN_NEWSMOB3(tc, data1, data2, data3) \
+ do { SCM __SCM_smob_answer; \
+ SCM_NEWSMOB3 (__SCM_smob_answer, (tc), (data1), (data2), (data3)); \
+ return __SCM_smob_answer; \
} while (0)
+#define SCM_SMOB_FLAGS(x) (SCM_CELL_WORD_0 (x) >> 16)
#define SCM_SMOB_DATA(x) (SCM_CELL_WORD_1 (x))
+#define SCM_SMOB_DATA_2(x) (SCM_CELL_WORD_2 (x))
+#define SCM_SMOB_DATA_3(x) (SCM_CELL_WORD_3 (x))
#define SCM_SET_SMOB_DATA(x, data) (SCM_SET_CELL_WORD_1 ((x), (data)))
+#define SCM_SET_SMOB_DATA_2(x, data) (SCM_SET_CELL_WORD_2 ((x), (data)))
+#define SCM_SET_SMOB_DATA_3(x, data) (SCM_SET_CELL_WORD_3 ((x), (data)))
+#define SCM_SET_SMOB_FLAGS(x, data) (scm_i_set_smob_flags((x),(data)<<16))
+
+#define SCM_SMOB_OBJECT(x) (SCM_CELL_OBJECT_1 (x))
+#define SCM_SMOB_OBJECT_2(x) (SCM_CELL_OBJECT_2 (x))
+#define SCM_SMOB_OBJECT_3(x) (SCM_CELL_OBJECT_3 (x))
+#define SCM_SET_SMOB_OBJECT(x,obj) (SCM_SET_CELL_OBJECT_1 ((x), (obj)))
+#define SCM_SET_SMOB_OBJECT_2(x,obj) (SCM_SET_CELL_OBJECT_2 ((x), (obj)))
+#define SCM_SET_SMOB_OBJECT_3(x,obj) (SCM_SET_CELL_OBJECT_3 ((x), (obj)))
+#define SCM_SMOB_OBJECT_LOC(x) (SCM_CELL_OBJECT_LOC ((x), 1))
+#define SCM_SMOB_OBJECT_2_LOC(x) (SCM_CELL_OBJECT_LOC ((x), 2))
+#define SCM_SMOB_OBJECT_3_LOC(x) (SCM_CELL_OBJECT_LOC ((x), 3))
+
#define SCM_TC2SMOBNUM(x) (0x0ff & ((x) >> 8))
#define SCM_SMOBNUM(x) (SCM_TC2SMOBNUM (SCM_CELL_TYPE (x)))
/* SCM_SMOBNAME can be 0 if name is missing */
SCM_API long scm_numsmob;
SCM_API scm_smob_descriptor scm_smobs[];
+SCM_API void scm_i_set_smob_flags (SCM x, scm_t_bits data);
+SCM_API void scm_i_finalize_smob (GC_PTR obj, GC_PTR data);
+
\f
SCM_API SCM scm_mark0 (SCM ptr);
unsigned int opt,
unsigned int rst);
+SCM_API void scm_assert_smob_type (scm_t_bits tag, SCM val);
+
/* 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 */
HCoop / bpt / guile.git / blobdiff