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
|
#define MICROPY_PY_BTREE (1)
#include "py/dynruntime.h"
#include <unistd.h>
#if !defined(__linux__)
void *memcpy(void *dst, const void *src, size_t n) {
return mp_fun_table.memmove_(dst, src, n);
}
void *memset(void *s, int c, size_t n) {
return mp_fun_table.memset_(s, c, n);
}
#endif
void *memmove(void *dest, const void *src, size_t n) {
return mp_fun_table.memmove_(dest, src, n);
}
void *malloc(size_t n) {
void *ptr = m_malloc(n);
return ptr;
}
void *realloc(void *ptr, size_t n) {
mp_printf(&mp_plat_print, "UNDEF %d\n", __LINE__);
return NULL;
}
void *calloc(size_t n, size_t m) {
void *ptr = m_malloc(n * m);
// memory already cleared by conservative GC
return ptr;
}
void free(void *ptr) {
m_free(ptr);
}
void abort_(void) {
nlr_raise(mp_obj_new_exception(mp_load_global(MP_QSTR_RuntimeError)));
}
int puts(const char *s) {
return mp_printf(&mp_plat_print, "%s\n", s);
}
int native_errno;
#if defined(__linux__)
int *__errno_location (void)
#else
int *__errno (void)
#endif
{
return &native_errno;
}
ssize_t mp_stream_posix_write(void *stream, const void *buf, size_t len) {
mp_obj_base_t* o = stream;
const mp_stream_p_t *stream_p = MP_OBJ_TYPE_GET_SLOT(o->type, protocol);
mp_uint_t out_sz = stream_p->write(MP_OBJ_FROM_PTR(stream), buf, len, &native_errno);
if (out_sz == MP_STREAM_ERROR) {
return -1;
} else {
return out_sz;
}
}
ssize_t mp_stream_posix_read(void *stream, void *buf, size_t len) {
mp_obj_base_t* o = stream;
const mp_stream_p_t *stream_p = MP_OBJ_TYPE_GET_SLOT(o->type, protocol);
mp_uint_t out_sz = stream_p->read(MP_OBJ_FROM_PTR(stream), buf, len, &native_errno);
if (out_sz == MP_STREAM_ERROR) {
return -1;
} else {
return out_sz;
}
}
off_t mp_stream_posix_lseek(void *stream, off_t offset, int whence) {
const mp_obj_base_t* o = stream;
const mp_stream_p_t *stream_p = MP_OBJ_TYPE_GET_SLOT(o->type, protocol);
struct mp_stream_seek_t seek_s;
seek_s.offset = offset;
seek_s.whence = whence;
mp_uint_t res = stream_p->ioctl(MP_OBJ_FROM_PTR(stream), MP_STREAM_SEEK, (mp_uint_t)(uintptr_t)&seek_s, &native_errno);
if (res == MP_STREAM_ERROR) {
return -1;
}
return seek_s.offset;
}
int mp_stream_posix_fsync(void *stream) {
mp_obj_base_t* o = stream;
const mp_stream_p_t *stream_p = MP_OBJ_TYPE_GET_SLOT(o->type, protocol);
mp_uint_t res = stream_p->ioctl(MP_OBJ_FROM_PTR(stream), MP_STREAM_FLUSH, 0, &native_errno);
if (res == MP_STREAM_ERROR) {
return -1;
}
return res;
}
mp_obj_full_type_t btree_type;
mp_getiter_iternext_custom_t btree_getiter_iternext;
#include "extmod/modbtree.c"
mp_map_elem_t btree_locals_dict_table[8];
static MP_DEFINE_CONST_DICT(btree_locals_dict, btree_locals_dict_table);
static mp_obj_t btree_open(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
// The allowed_args array must have its qstr's populated at runtime.
enum { ARG_flags, ARG_cachesize, ARG_pagesize, ARG_minkeypage };
mp_arg_t allowed_args[] = {
{ MP_QSTR_, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
{ MP_QSTR_, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 0} },
};
allowed_args[0].qst = MP_QSTR_flags;
allowed_args[1].qst = MP_QSTR_cachesize;
allowed_args[2].qst = MP_QSTR_pagesize;
allowed_args[3].qst = MP_QSTR_minkeypage;
// Make sure we got a stream object
mp_get_stream_raise(pos_args[0], MP_STREAM_OP_READ | MP_STREAM_OP_WRITE | MP_STREAM_OP_IOCTL);
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all(n_args - 1, pos_args + 1, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
BTREEINFO openinfo = {0};
openinfo.flags = args[ARG_flags].u_int;
openinfo.cachesize = args[ARG_cachesize].u_int;
openinfo.psize = args[ARG_pagesize].u_int;
openinfo.minkeypage = args[ARG_minkeypage].u_int;
DB *db = __bt_open(MP_OBJ_TO_PTR(pos_args[0]), &btree_stream_fvtable, &openinfo, 0);
if (db == NULL) {
mp_raise_OSError(native_errno);
}
return MP_OBJ_FROM_PTR(btree_new(db, pos_args[0]));
}
static MP_DEFINE_CONST_FUN_OBJ_KW(btree_open_obj, 1, btree_open);
mp_obj_t mpy_init(mp_obj_fun_bc_t *self, size_t n_args, size_t n_kw, mp_obj_t *args) {
MP_DYNRUNTIME_INIT_ENTRY
btree_getiter_iternext.getiter = btree_getiter;
btree_getiter_iternext.iternext = btree_iternext;
btree_type.base.type = (void*)&mp_fun_table.type_type;
btree_type.flags = MP_TYPE_FLAG_ITER_IS_CUSTOM;
btree_type.name = MP_QSTR_btree;
MP_OBJ_TYPE_SET_SLOT(&btree_type, print, btree_print, 0);
MP_OBJ_TYPE_SET_SLOT(&btree_type, iter, &btree_getiter_iternext, 1);
MP_OBJ_TYPE_SET_SLOT(&btree_type, binary_op, btree_binary_op, 2);
MP_OBJ_TYPE_SET_SLOT(&btree_type, subscr, btree_subscr, 3);
btree_locals_dict_table[0] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_close), MP_OBJ_FROM_PTR(&btree_close_obj) };
btree_locals_dict_table[1] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_flush), MP_OBJ_FROM_PTR(&btree_flush_obj) };
btree_locals_dict_table[2] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_get), MP_OBJ_FROM_PTR(&btree_get_obj) };
btree_locals_dict_table[3] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_put), MP_OBJ_FROM_PTR(&btree_put_obj) };
btree_locals_dict_table[4] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_seq), MP_OBJ_FROM_PTR(&btree_seq_obj) };
btree_locals_dict_table[5] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_keys), MP_OBJ_FROM_PTR(&btree_keys_obj) };
btree_locals_dict_table[6] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_values), MP_OBJ_FROM_PTR(&btree_values_obj) };
btree_locals_dict_table[7] = (mp_map_elem_t){ MP_OBJ_NEW_QSTR(MP_QSTR_items), MP_OBJ_FROM_PTR(&btree_items_obj) };
MP_OBJ_TYPE_SET_SLOT(&btree_type, locals_dict, (void*)&btree_locals_dict, 4);
mp_store_global(MP_QSTR_open, MP_OBJ_FROM_PTR(&btree_open_obj));
mp_store_global(MP_QSTR_INCL, MP_OBJ_NEW_SMALL_INT(FLAG_END_KEY_INCL));
mp_store_global(MP_QSTR_DESC, MP_OBJ_NEW_SMALL_INT(FLAG_DESC));
MP_DYNRUNTIME_INIT_EXIT
}
|
