#ifndef SCM_SMOB_H
#define SCM_SMOB_H
-/* Copyright (C) 1995,1996,1998,1999,2000,2001, 2004, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2004, 2006, 2009,
+ * 2010, 2011 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
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This library 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
* Lesser General Public License for more details.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
*/
\f
#include "libguile/__scm.h"
#include "libguile/print.h"
+#include "libguile/bdw-gc.h"
+
+
\f
/* This is the internal representation of a smob type */
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_t_subr apply;
+ SCM apply_trampoline_objcode;
} scm_smob_descriptor;
-#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) \
- scm_gc_register_finalizer ((z), scm_i_finalize_smob, \
- SCM_BOOL_F, 0); \
- } \
+#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) \
return __SCM_smob_answer; \
} while (0)
-#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) \
- scm_gc_register_finalizer ((z), scm_i_finalize_smob, \
- SCM_BOOL_F, 0); \
- } \
+#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) \
} 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_SMOB_DATA_N(x, n) (SCM_CELL_WORD ((x), (n)))
+#define SCM_SET_SMOB_DATA_N(x, n, data) (SCM_SET_CELL_WORD ((x), (n), (data)))
+
+#define SCM_SMOB_DATA_0(x) (SCM_SMOB_DATA_N ((x), 0))
+#define SCM_SMOB_DATA_1(x) (SCM_SMOB_DATA_N ((x), 1))
+#define SCM_SMOB_DATA_2(x) (SCM_SMOB_DATA_N ((x), 2))
+#define SCM_SMOB_DATA_3(x) (SCM_SMOB_DATA_N ((x), 3))
+#define SCM_SET_SMOB_DATA_0(x, data) (SCM_SET_SMOB_DATA_N ((x), 0, (data)))
+#define SCM_SET_SMOB_DATA_1(x, data) (SCM_SET_SMOB_DATA_N ((x), 1, (data)))
+#define SCM_SET_SMOB_DATA_2(x, data) (SCM_SET_SMOB_DATA_N ((x), 2, (data)))
+#define SCM_SET_SMOB_DATA_3(x, data) (SCM_SET_SMOB_DATA_N ((x), 3, (data)))
+
+#define SCM_SMOB_FLAGS(x) (SCM_SMOB_DATA_0 (x) >> 16)
+#define SCM_SMOB_DATA(x) (SCM_SMOB_DATA_1 (x))
+#define SCM_SET_SMOB_FLAGS(x, data) (SCM_SET_SMOB_DATA_0 ((x), (SCM_CELL_TYPE (x)&0xffff)|((data)<<16)))
+#define SCM_SET_SMOB_DATA(x, data) (SCM_SET_SMOB_DATA_1 ((x), (data)))
+
+#define SCM_SMOB_OBJECT_N(x,n) (SCM_CELL_OBJECT ((x), (n)))
+#define SCM_SET_SMOB_OBJECT_N(x,n,obj) (SCM_SET_CELL_OBJECT ((x), (n), (obj)))
+#define SCM_SMOB_OBJECT_N_LOC(x,n) (SCM_CELL_OBJECT_LOC ((x), (n)))
+
+/*#define SCM_SMOB_OBJECT_0(x) (SCM_SMOB_OBJECT_N ((x), 0))*/
+#define SCM_SMOB_OBJECT_1(x) (SCM_SMOB_OBJECT_N ((x), 1))
+#define SCM_SMOB_OBJECT_2(x) (SCM_SMOB_OBJECT_N ((x), 2))
+#define SCM_SMOB_OBJECT_3(x) (SCM_SMOB_OBJECT_N ((x), 3))
+/*#define SCM_SET_SMOB_OBJECT_0(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 0, (obj)))*/
+#define SCM_SET_SMOB_OBJECT_1(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 1, (obj)))
+#define SCM_SET_SMOB_OBJECT_2(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 2, (obj)))
+#define SCM_SET_SMOB_OBJECT_3(x,obj) (SCM_SET_SMOB_OBJECT_N ((x), 3, (obj)))
+#define SCM_SMOB_OBJECT_0_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 0)))
+#define SCM_SMOB_OBJECT_1_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 1)))
+#define SCM_SMOB_OBJECT_2_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 2)))
+#define SCM_SMOB_OBJECT_3_LOC(x) (SCM_SMOB_OBJECT_N_LOC ((x), 3)))
+
+#define SCM_SMOB_OBJECT(x) (SCM_SMOB_OBJECT_1 (x))
+#define SCM_SET_SMOB_OBJECT(x,obj) (SCM_SET_SMOB_OBJECT_1 ((x), (obj)))
+#define SCM_SMOB_OBJECT_LOC(x) (SCM_SMOB_OBJECT_1_LOC (x)))
+
+
+#define SCM_SMOB_TYPE_MASK 0xffff
+#define SCM_SMOB_TYPE_BITS(tc) (tc)
#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 */
#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)))
+#define SCM_SMOB_APPLY_0(x) (scm_call_0 (x))
+#define SCM_SMOB_APPLY_1(x, a1) (scm_call_1 (x, a1))
+#define SCM_SMOB_APPLY_2(x, a1, a2) (scm_call_2 (x, a1, a2))
+#define SCM_SMOB_APPLY_3(x, a1, a2, rst) (scm_call_3 (x, a1, a2, a3))
+
+/* Maximum number of SMOB types. */
+#define SCM_I_MAX_SMOB_TYPE_COUNT 256
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 SCM scm_i_finalize_smob (SCM smob, SCM data);
+SCM_API void scm_i_finalize_smob (GC_PTR obj, GC_PTR data);
\f
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);
/* The following set of functions is the standard way to create new
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) (),
+ scm_t_subr apply,
unsigned int req,
unsigned int opt,
unsigned int rst);
SCM_API SCM scm_make_smob (scm_t_bits tc);
+SCM_INTERNAL SCM scm_i_smob_apply_trampoline (SCM smob);
+
SCM_API void scm_smob_prehistory (void);
#endif /* SCM_SMOB_H */
HCoop / bpt / guile.git / blobdiff