Skip to content
Navigation Menu
{{ message }}
forked from adafruit/circuitpython
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathobjmodule.c
More file actions
246 lines (218 loc) · 8.62 KB
/
Copy pathobjmodule.c
File metadata and controls
246 lines (218 loc) · 8.62 KB
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
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdlib.h>
#include <assert.h>
#include "py/mpstate.h"
#include "py/nlr.h"
#include "py/objmodule.h"
#include "py/runtime.h"
#include "py/builtin.h"
STATIC void module_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_module_t *self = MP_OBJ_TO_PTR(self_in);
#if MICROPY_PY___FILE__
// If we store __file__ to imported modules then try to lookup this
// symbol to give more information about the module.
mp_map_elem_t *elem = mp_map_lookup(&self->globals->map, MP_OBJ_NEW_QSTR(MP_QSTR___file__), MP_MAP_LOOKUP);
if (elem != NULL) {
mp_printf(print, "<module '%q' from '%s'>", self->name, mp_obj_str_get_str(elem->value));
return;
}
#endif
mp_printf(print, "<module '%q'>", self->name);
}
STATIC void module_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
mp_obj_module_t *self = MP_OBJ_TO_PTR(self_in);
if (dest[0] == MP_OBJ_NULL) {
// load attribute
mp_map_elem_t *elem = mp_map_lookup(&self->globals->map, MP_OBJ_NEW_QSTR(attr), MP_MAP_LOOKUP);
if (elem != NULL) {
dest[0] = elem->value;
}
} else {
// delete/store attribute
mp_obj_dict_t *dict = self->globals;
if (dict->map.is_fixed) {
#if MICROPY_CAN_OVERRIDE_BUILTINS
if (dict == &mp_module_builtins_globals) {
if (MP_STATE_VM(mp_module_builtins_override_dict) == NULL) {
MP_STATE_VM(mp_module_builtins_override_dict) = MP_OBJ_TO_PTR(mp_obj_new_dict(1));
}
dict = MP_STATE_VM(mp_module_builtins_override_dict);
} else
#endif
{
// can't delete or store to fixed map
return;
}
}
if (dest[1] == MP_OBJ_NULL) {
// delete attribute
mp_obj_dict_delete(MP_OBJ_FROM_PTR(dict), MP_OBJ_NEW_QSTR(attr));
} else {
// store attribute
// TODO CPython allows STORE_ATTR to a module, but is this the correct implementation?
mp_obj_dict_store(MP_OBJ_FROM_PTR(dict), MP_OBJ_NEW_QSTR(attr), dest[1]);
}
dest[0] = MP_OBJ_NULL; // indicate success
}
}
const mp_obj_type_t mp_type_module = {
{ &mp_type_type },
.name = MP_QSTR_module,
.print = module_print,
.attr = module_attr,
};
mp_obj_t mp_obj_new_module(qstr module_name) {
mp_map_t *mp_loaded_modules_map = &MP_STATE_VM(mp_loaded_modules_dict).map;
mp_map_elem_t *el = mp_map_lookup(mp_loaded_modules_map, MP_OBJ_NEW_QSTR(module_name), MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
// We could error out if module already exists, but let C extensions
// add new members to existing modules.
if (el->value != MP_OBJ_NULL) {
return el->value;
}
// create new module object
mp_obj_module_t *o = m_new_obj(mp_obj_module_t);
o->base.type = &mp_type_module;
o->name = module_name;
o->globals = MP_OBJ_TO_PTR(mp_obj_new_dict(MICROPY_MODULE_DICT_SIZE));
// store __name__ entry in the module
mp_obj_dict_store(MP_OBJ_FROM_PTR(o->globals), MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(module_name));
// store the new module into the slot in the global dict holding all modules
el->value = MP_OBJ_FROM_PTR(o);
// return the new module
return MP_OBJ_FROM_PTR(o);
}
mp_obj_dict_t *mp_obj_module_get_globals(mp_obj_t self_in) {
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_module));
mp_obj_module_t *self = MP_OBJ_TO_PTR(self_in);
return self->globals;
}
/******************************************************************************/
// Global module table and related functions
STATIC const mp_rom_map_elem_t mp_builtin_module_table[] = {
{ MP_ROM_QSTR(MP_QSTR___main__), MP_ROM_PTR(&mp_module___main__) },
{ MP_ROM_QSTR(MP_QSTR_builtins), MP_ROM_PTR(&mp_module_builtins) },
{ MP_ROM_QSTR(MP_QSTR_micropython), MP_ROM_PTR(&mp_module_micropython) },
#if MICROPY_PY_ARRAY
{ MP_ROM_QSTR(MP_QSTR_array), MP_ROM_PTR(&mp_module_array) },
#endif
#if MICROPY_PY_IO
{ MP_ROM_QSTR(MP_QSTR__io), MP_ROM_PTR(&mp_module_io) },
#endif
#if MICROPY_PY_COLLECTIONS
{ MP_ROM_QSTR(MP_QSTR__collections), MP_ROM_PTR(&mp_module_collections) },
#endif
#if MICROPY_PY_STRUCT
{ MP_ROM_QSTR(MP_QSTR_ustruct), MP_ROM_PTR(&mp_module_ustruct) },
#endif
#if MICROPY_PY_BUILTINS_FLOAT
#if MICROPY_PY_MATH
{ MP_ROM_QSTR(MP_QSTR_math), MP_ROM_PTR(&mp_module_math) },
#endif
#if MICROPY_PY_BUILTINS_COMPLEX && MICROPY_PY_CMATH
{ MP_ROM_QSTR(MP_QSTR_cmath), MP_ROM_PTR(&mp_module_cmath) },
#endif
#endif
#if MICROPY_PY_SYS
{ MP_ROM_QSTR(MP_QSTR_sys), MP_ROM_PTR(&mp_module_sys) },
#endif
#if MICROPY_PY_GC && MICROPY_ENABLE_GC
{ MP_ROM_QSTR(MP_QSTR_gc), MP_ROM_PTR(&mp_module_gc) },
#endif
// extmod modules
#if MICROPY_PY_UCTYPES
{ MP_ROM_QSTR(MP_QSTR_uctypes), MP_ROM_PTR(&mp_module_uctypes) },
#endif
#if MICROPY_PY_UZLIB
{ MP_ROM_QSTR(MP_QSTR_uzlib), MP_ROM_PTR(&mp_module_uzlib) },
#endif
#if MICROPY_PY_UJSON
{ MP_ROM_QSTR(MP_QSTR_ujson), MP_ROM_PTR(&mp_module_ujson) },
#endif
#if MICROPY_PY_URE
{ MP_ROM_QSTR(MP_QSTR_ure), MP_ROM_PTR(&mp_module_ure) },
#endif
#if MICROPY_PY_UHEAPQ
{ MP_ROM_QSTR(MP_QSTR_uheapq), MP_ROM_PTR(&mp_module_uheapq) },
#endif
#if MICROPY_PY_UHASHLIB
{ MP_ROM_QSTR(MP_QSTR_uhashlib), MP_ROM_PTR(&mp_module_uhashlib) },
#endif
#if MICROPY_PY_UBINASCII
{ MP_ROM_QSTR(MP_QSTR_ubinascii), MP_ROM_PTR(&mp_module_ubinascii) },
#endif
#if MICROPY_PY_URANDOM
{ MP_ROM_QSTR(MP_QSTR_urandom), MP_ROM_PTR(&mp_module_urandom) },
#endif
#if MICROPY_PY_USSL
{ MP_ROM_QSTR(MP_QSTR_ussl), MP_ROM_PTR(&mp_module_ussl) },
#endif
#if MICROPY_PY_LWIP
{ MP_ROM_QSTR(MP_QSTR_lwip), MP_ROM_PTR(&mp_module_lwip) },
#endif
#if MICROPY_PY_WEBSOCKET
{ MP_ROM_QSTR(MP_QSTR_websocket), MP_ROM_PTR(&mp_module_websocket) },
#endif
// extra builtin modules as defined by a port
MICROPY_PORT_BUILTIN_MODULES
};
STATIC MP_DEFINE_CONST_MAP(mp_builtin_module_map, mp_builtin_module_table);
void mp_module_init(void) {
mp_obj_dict_init(&MP_STATE_VM(mp_loaded_modules_dict), 3);
}
void mp_module_deinit(void) {
//mp_map_deinit(&MP_STATE_VM(mp_loaded_modules_map));
}
// returns MP_OBJ_NULL if not found
mp_obj_t mp_module_get(qstr module_name) {
mp_map_t *mp_loaded_modules_map = &MP_STATE_VM(mp_loaded_modules_dict).map;
// lookup module
mp_map_elem_t *el = mp_map_lookup(mp_loaded_modules_map, MP_OBJ_NEW_QSTR(module_name), MP_MAP_LOOKUP);
if (el == NULL) {
// module not found, look for builtin module names
el = mp_map_lookup((mp_map_t*)&mp_builtin_module_map, MP_OBJ_NEW_QSTR(module_name), MP_MAP_LOOKUP);
if (el == NULL) {
return MP_OBJ_NULL;
}
if (MICROPY_MODULE_BUILTIN_INIT) {
// look for __init__ and call it if it exists
mp_obj_t dest[2];
mp_load_method_maybe(el->value, MP_QSTR___init__, dest);
if (dest[0] != MP_OBJ_NULL) {
mp_call_method_n_kw(0, 0, dest);
// register module so __init__ is not called again
mp_module_register(module_name, el->value);
}
}
}
// module found, return it
return el->value;
}
void mp_module_register(qstr qst, mp_obj_t module) {
mp_map_t *mp_loaded_modules_map = &MP_STATE_VM(mp_loaded_modules_dict).map;
mp_map_lookup(mp_loaded_modules_map, MP_OBJ_NEW_QSTR(qst), MP_MAP_LOOKUP_ADD_IF_NOT_FOUND)->value = module;
}
You can’t perform that action at this time.