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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
|
/* srfi-4.c --- Uniform numeric vector datatypes.
*
* Copyright (C) 2001, 2004, 2006, 2009, 2010, 2011, 2014 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
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "libguile/_scm.h"
#include "libguile/__scm.h"
#include "libguile/bdw-gc.h"
#include "libguile/srfi-4.h"
#include "libguile/bytevectors.h"
#include "libguile/error.h"
#include "libguile/eval.h"
#include "libguile/extensions.h"
#include "libguile/uniform.h"
#include "libguile/validate.h"
#define DEFINE_SCHEME_PROXY100(cname, modname, scmname) \
SCM cname (SCM arg1) \
{ \
static SCM var = SCM_BOOL_F; \
if (scm_is_false (var)) \
var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
return scm_call_1 (SCM_VARIABLE_REF (var), arg1); \
}
#define DEFINE_SCHEME_PROXY001(cname, modname, scmname) \
SCM cname (SCM args) \
{ \
static SCM var = SCM_BOOL_F; \
if (scm_is_false (var)) \
var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
return scm_apply_0 (SCM_VARIABLE_REF (var), args); \
}
#define DEFINE_SCHEME_PROXY110(cname, modname, scmname) \
SCM cname (SCM arg1, SCM opt1) \
{ \
static SCM var = SCM_BOOL_F; \
if (scm_is_false (var)) \
var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
if (SCM_UNBNDP (opt1)) \
return scm_call_1 (SCM_VARIABLE_REF (var), arg1); \
else \
return scm_call_2 (SCM_VARIABLE_REF (var), arg1, opt1); \
}
#define DEFINE_SCHEME_PROXY200(cname, modname, scmname) \
SCM cname (SCM arg1, SCM arg2) \
{ \
static SCM var = SCM_BOOL_F; \
if (scm_is_false (var)) \
var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
return scm_call_2 (SCM_VARIABLE_REF (var), arg1, arg2); \
}
#define DEFINE_SCHEME_PROXY300(cname, modname, scmname) \
SCM cname (SCM arg1, SCM arg2, SCM arg3) \
{ \
static SCM var = SCM_BOOL_F; \
if (scm_is_false (var)) \
var = scm_c_module_lookup (scm_c_resolve_module (modname), scmname); \
return scm_call_3 (SCM_VARIABLE_REF (var), arg1, arg2, arg3); \
}
#define DEFPROXY100(cname, scmname) \
DEFINE_SCHEME_PROXY100 (cname, MOD, scmname)
#define DEFPROXY110(cname, scmname) \
DEFINE_SCHEME_PROXY110 (cname, MOD, scmname)
#define DEFPROXY001(cname, scmname) \
DEFINE_SCHEME_PROXY001 (cname, MOD, scmname)
#define DEFPROXY200(cname, scmname) \
DEFINE_SCHEME_PROXY200 (cname, MOD, scmname)
#define DEFPROXY300(cname, scmname) \
DEFINE_SCHEME_PROXY300 (cname, MOD, scmname)
#define DEFVECT(sym, str, func)\
#define DEFINE_SRFI_4_PROXIES(tag) \
DEFPROXY100 (scm_##tag##vector_p, #tag "vector?"); \
DEFPROXY110 (scm_make_##tag##vector, "make-" #tag "vector"); \
DEFPROXY001 (scm_##tag##vector, #tag "vector"); \
DEFPROXY100 (scm_##tag##vector_length, #tag "vector-length"); \
DEFPROXY200 (scm_##tag##vector_ref, #tag "vector-ref"); \
DEFPROXY300 (scm_##tag##vector_set_x, #tag "vector-set!"); \
DEFPROXY100 (scm_list_to_##tag##vector, "list->"#tag "vector"); \
DEFPROXY100 (scm_##tag##vector_to_list, #tag "vector->list"); \
#define ETYPE(TAG) \
SCM_ARRAY_ELEMENT_TYPE_##TAG
#define DEFINE_SRFI_4_C_FUNCS(TAG, tag, ctype, width) \
SCM scm_take_##tag##vector (ctype *data, size_t n) \
{ \
return scm_c_take_typed_bytevector ((scm_t_int8*)data, n, ETYPE (TAG), \
SCM_BOOL_F); \
} \
const ctype* scm_array_handle_##tag##_elements (scm_t_array_handle *h) \
{ \
if (h->element_type != ETYPE (TAG)) \
scm_wrong_type_arg_msg (NULL, 0, h->array, #tag "vector"); \
return ((const ctype *) h->elements) + h->base*width; \
} \
ctype* scm_array_handle_##tag##_writable_elements (scm_t_array_handle *h) \
{ \
if (h->writable_elements != h->elements) \
scm_wrong_type_arg_msg (NULL, 0, h->array, "mutable " #tag "vector"); \
return (ctype *) scm_array_handle_##tag##_elements (h); \
} \
const ctype *scm_##tag##vector_elements (SCM uvec, \
scm_t_array_handle *h, \
size_t *lenp, ssize_t *incp) \
{ \
size_t byte_width = width * sizeof (ctype); \
if (!scm_is_bytevector (uvec) \
|| (scm_c_bytevector_length (uvec) % byte_width)) \
scm_wrong_type_arg_msg (NULL, 0, uvec, #tag "vector"); \
scm_array_get_handle (uvec, h); \
if (lenp) \
*lenp = scm_c_bytevector_length (uvec) / byte_width; \
if (incp) \
*incp = 1; \
return ((const ctype *) h->elements); \
} \
ctype *scm_##tag##vector_writable_elements (SCM uvec, \
scm_t_array_handle *h, \
size_t *lenp, ssize_t *incp) \
{ \
const ctype *ret = scm_##tag##vector_elements (uvec, h, lenp, incp);\
if (h->writable_elements != h->elements) \
scm_wrong_type_arg_msg (NULL, 0, h->array, "mutable " #tag "vector"); \
return (ctype *) ret; \
}
#define MOD "srfi srfi-4"
DEFINE_SRFI_4_PROXIES (u8);
DEFINE_SRFI_4_C_FUNCS (U8, u8, scm_t_uint8, 1);
DEFINE_SRFI_4_PROXIES (s8);
DEFINE_SRFI_4_C_FUNCS (S8, s8, scm_t_int8, 1);
DEFINE_SRFI_4_PROXIES (u16);
DEFINE_SRFI_4_C_FUNCS (U16, u16, scm_t_uint16, 1);
DEFINE_SRFI_4_PROXIES (s16);
DEFINE_SRFI_4_C_FUNCS (S16, s16, scm_t_int16, 1);
DEFINE_SRFI_4_PROXIES (u32);
DEFINE_SRFI_4_C_FUNCS (U32, u32, scm_t_uint32, 1);
DEFINE_SRFI_4_PROXIES (s32);
DEFINE_SRFI_4_C_FUNCS (S32, s32, scm_t_int32, 1);
DEFINE_SRFI_4_PROXIES (u64);
DEFINE_SRFI_4_C_FUNCS (U64, u64, scm_t_uint64, 1);
DEFINE_SRFI_4_PROXIES (s64);
DEFINE_SRFI_4_C_FUNCS (S64, s64, scm_t_int64, 1);
DEFINE_SRFI_4_PROXIES (f32);
DEFINE_SRFI_4_C_FUNCS (F32, f32, float, 1);
DEFINE_SRFI_4_PROXIES (f64);
DEFINE_SRFI_4_C_FUNCS (F64, f64, double, 1);
#undef MOD
#define MOD "srfi srfi-4 gnu"
DEFINE_SRFI_4_PROXIES (c32);
DEFINE_SRFI_4_C_FUNCS (C32, c32, float, 2);
DEFINE_SRFI_4_PROXIES (c64);
DEFINE_SRFI_4_C_FUNCS (C64, c64, double, 2);
#define DEFINE_SRFI_4_GNU_PROXIES(tag) \
DEFPROXY100 (scm_any_to_##tag##vector, "any->" #tag "vector")
#undef MOD
#define MOD "srfi srfi-4 gnu"
DEFINE_SRFI_4_GNU_PROXIES (u8);
DEFINE_SRFI_4_GNU_PROXIES (s8);
DEFINE_SRFI_4_GNU_PROXIES (u16);
DEFINE_SRFI_4_GNU_PROXIES (s16);
DEFINE_SRFI_4_GNU_PROXIES (u32);
DEFINE_SRFI_4_GNU_PROXIES (s32);
DEFINE_SRFI_4_GNU_PROXIES (u64);
DEFINE_SRFI_4_GNU_PROXIES (s64);
DEFINE_SRFI_4_GNU_PROXIES (f32);
DEFINE_SRFI_4_GNU_PROXIES (f64);
DEFINE_SRFI_4_GNU_PROXIES (c32);
DEFINE_SRFI_4_GNU_PROXIES (c64);
SCM_DEFINE (scm_make_srfi_4_vector, "make-srfi-4-vector", 2, 1, 0,
(SCM type, SCM len, SCM fill),
"Make a srfi-4 vector")
#define FUNC_NAME s_scm_make_srfi_4_vector
{
int c_type;
size_t c_len;
for (c_type = 0; c_type <= SCM_ARRAY_ELEMENT_TYPE_LAST; c_type++)
if (scm_is_eq (type, scm_i_array_element_types[c_type]))
break;
if (c_type > SCM_ARRAY_ELEMENT_TYPE_LAST)
scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, type, "vector type");
switch (c_type)
{
case SCM_ARRAY_ELEMENT_TYPE_U8:
case SCM_ARRAY_ELEMENT_TYPE_S8:
case SCM_ARRAY_ELEMENT_TYPE_U16:
case SCM_ARRAY_ELEMENT_TYPE_S16:
case SCM_ARRAY_ELEMENT_TYPE_U32:
case SCM_ARRAY_ELEMENT_TYPE_S32:
case SCM_ARRAY_ELEMENT_TYPE_U64:
case SCM_ARRAY_ELEMENT_TYPE_S64:
case SCM_ARRAY_ELEMENT_TYPE_F32:
case SCM_ARRAY_ELEMENT_TYPE_F64:
case SCM_ARRAY_ELEMENT_TYPE_C32:
case SCM_ARRAY_ELEMENT_TYPE_C64:
{
SCM ret;
c_len = scm_to_size_t (len);
ret = scm_i_make_typed_bytevector (c_len, c_type);
if (SCM_UNBNDP (fill) || scm_is_eq (len, SCM_INUM0))
; /* pass */
else if (scm_is_true (scm_zero_p (fill)))
memset (SCM_BYTEVECTOR_CONTENTS (ret), 0,
SCM_BYTEVECTOR_LENGTH (ret));
else
{
scm_t_array_handle h;
size_t i;
scm_array_get_handle (ret, &h);
for (i = 0; i < c_len; i++)
scm_array_handle_set (&h, i, fill);
scm_array_handle_release (&h);
}
return ret;
}
default:
scm_wrong_type_arg_msg (FUNC_NAME, SCM_ARG1, type, "uniform vector type");
return SCM_BOOL_F; /* not reached */
}
}
#undef FUNC_NAME
void
scm_init_srfi_4 (void)
{
#define REGISTER(tag, TAG) \
scm_i_register_vector_constructor \
(scm_i_array_element_types[SCM_ARRAY_ELEMENT_TYPE_##TAG], \
scm_make_##tag##vector)
REGISTER (u8, U8);
REGISTER (s8, S8);
REGISTER (u16, U16);
REGISTER (s16, S16);
REGISTER (u32, U32);
REGISTER (s32, S32);
REGISTER (u64, U64);
REGISTER (s64, S64);
REGISTER (f32, F32);
REGISTER (f64, F64);
REGISTER (c32, C32);
REGISTER (c64, C64);
#include "libguile/srfi-4.x"
}
/* End of srfi-4.c. */
|
