/usr/include/libguile/smob.h is in guile-1.8-dev 1.8.8+1-8ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | /* classes: h_files */
#ifndef SCM_SMOB_H
#define SCM_SMOB_H
/* 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
* License as published by the Free Software Foundation; either
* version 2.1 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
*/
#include "libguile/__scm.h"
#include "libguile/print.h"
/* 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 (*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;
#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; \
} 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_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; \
} 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 */
#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)
#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)))
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_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
* 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 (*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:
*/
|