-/* classes: h_files */
-
-#ifndef SMOBH
-#define SMOBH
-/* Copyright (C) 1995,1996,1998 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,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * 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"
-
-\f
-/* This is the internal representation of a smob type */
-
-typedef struct scm_smob_descriptor
-{
- char *name;
- scm_sizet size;
- SCM (*mark) SCM_P ((SCM));
- scm_sizet (*free) SCM_P ((SCM));
- int (*print) SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
- SCM (*equalp) SCM_P ((SCM, SCM));
-} scm_smob_descriptor;
-
-/* scm_smobfuns is the argument type for the obsolete function scm_newsmob */
-
-typedef struct scm_smobfuns
-{
- SCM (*mark) SCM_P ((SCM));
- scm_sizet (*free) SCM_P ((SCM));
- int (*print) SCM_P ((SCM exp, SCM port, scm_print_state *pstate));
- SCM (*equalp) SCM_P ((SCM, SCM));
-} scm_smobfuns;
-
-\f
-
-#define SCM_NEWSMOB(z, tc, data) \
-{ \
- SCM_NEWCELL (z); \
- SCM_SETCDR (z, data); \
- SCM_SETCAR (z, tc); \
-} \
-
-#define SCM_SMOB_DATA(x) SCM_CDR (x)
-#define SCM_SET_SMOB_DATA(x, data) SCM_SETCDR (x, data)
-#define SCM_TC2SMOBNUM(x) (0x0ff & ((x) >> 8))
-#define SCM_SMOBNUM(x) (SCM_TC2SMOBNUM (SCM_CAR (x)))
-#define SCM_SMOBNAME(smobnum) scm_smobs[smobnum].name
-
-extern int scm_numsmob;
-extern scm_smob_descriptor *scm_smobs;
-
-\f
-
-extern SCM scm_mark0 SCM_P ((SCM ptr));
-extern SCM scm_markcdr SCM_P ((SCM ptr));
-extern scm_sizet scm_free0 SCM_P ((SCM ptr));
-extern scm_sizet scm_smob_free (SCM obj);
-extern int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);
-extern long scm_make_smob_type (char *name, scm_sizet size);
-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));
-extern SCM scm_make_smob (long tc);
-extern void scm_smob_prehistory (void);
-
-/* Deprecated function */
-extern long scm_newsmob (const scm_smobfuns *smob);
-
-#endif /* SMOBH */
+/* classes: h_files */
+
+#ifndef SCM_SMOB_H
+#define SCM_SMOB_H
+
+/* Copyright (C) 1995, 1996, 1998, 1999, 2000, 2001, 2004, 2006, 2009,
+ * 2010, 2011, 2012 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 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
+ * 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
+ */
+
+\f
+
+#include "libguile/__scm.h"
+#include "libguile/print.h"
+
+
+\f
+/* This is the internal representation of a smob type */
+
+typedef struct scm_smob_descriptor
+{
+ char const *name;
+ size_t size;
+ SCM (*mark) (SCM);
+ size_t (*free) (SCM);
+ int (*print) (SCM exp, SCM port, scm_print_state *pstate);
+ SCM (*equalp) (SCM, SCM);
+ scm_t_subr apply;
+ /* In 2.2 this field is renamed to "apply_trampoline". */
+ SCM apply_trampoline_objcode;
+} scm_smob_descriptor;
+
+
+#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_SMOBNAME(smobnum) (scm_smobs[smobnum].name)
+#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)
+
+/* 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[];
+
+
+\f
+
+SCM_API SCM scm_i_new_smob (scm_t_bits tc, scm_t_bits);
+SCM_API SCM scm_i_new_double_smob (scm_t_bits tc, scm_t_bits,
+ scm_t_bits, scm_t_bits);
+
+
+SCM_INLINE SCM scm_new_smob (scm_t_bits tc, scm_t_bits);
+SCM_INLINE SCM scm_new_double_smob (scm_t_bits tc, scm_t_bits,
+ scm_t_bits, scm_t_bits);
+
+/* These two are internal details of the previous implementation of
+ SCM_NEWSMOB and are no longer used. They are still here to preserve
+ ABI stability in the 2.0 series. */
+SCM_API void scm_i_finalize_smob (void *ptr, void *data);
+SCM_API SCM scm_i_new_smob_with_mark_proc (scm_t_bits tc, scm_t_bits,
+ scm_t_bits, scm_t_bits);
+
+
+#if SCM_CAN_INLINE || defined SCM_INLINE_C_IMPLEMENTING_INLINES
+SCM_INLINE_IMPLEMENTATION SCM
+scm_new_smob (scm_t_bits tc, scm_t_bits data)
+{
+ scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);
+
+ if (SCM_UNLIKELY (scm_smobs[smobnum].mark || scm_smobs[smobnum].free))
+ return scm_i_new_smob (tc, data);
+ else
+ return scm_cell (tc, data);
+}
+
+SCM_INLINE_IMPLEMENTATION SCM
+scm_new_double_smob (scm_t_bits tc, scm_t_bits data1,
+ scm_t_bits data2, scm_t_bits data3)
+{
+ scm_t_bits smobnum = SCM_TC2SMOBNUM (tc);
+
+ if (SCM_UNLIKELY (scm_smobs[smobnum].mark || scm_smobs[smobnum].free))
+ return scm_i_new_double_smob (tc, data1, data2, data3);
+ else
+ return scm_double_cell (tc, data1, data2, data3);
+}
+#endif
+
+#define SCM_NEWSMOB(z, tc, data) \
+ z = scm_new_smob ((tc), (scm_t_bits)(data))
+#define SCM_RETURN_NEWSMOB(tc, data) \
+ return scm_new_smob ((tc), (scm_t_bits)(data))
+
+#define SCM_NEWSMOB2(z, tc, data1, data2) \
+ z = scm_new_double_smob ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), 0)
+#define SCM_RETURN_NEWSMOB2(tc, data1, data2) \
+ return scm_new_double_smob ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), 0)
+
+#define SCM_NEWSMOB3(z, tc, data1, data2, data3) \
+ z = scm_new_double_smob ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), (scm_t_bits)(data3))
+#define SCM_RETURN_NEWSMOB3(tc, data1, data2, data3) \
+ return scm_new_double_smob ((tc), (scm_t_bits)(data1), \
+ (scm_t_bits)(data2), (scm_t_bits)(data3))
+
+\f
+
+#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_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))
+
+\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 int scm_smob_print (SCM exp, SCM port, scm_print_state *pstate);
+
+/* 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 const *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_t_subr apply,
+ unsigned int req,
+ 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 */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/
HCoop / bpt / guile.git / blobdiff