6663b6c9
 adorian
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 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 <assert.h>
#include <string.h>
#include "py/obj.h"
#include "py/mperrno.h"
#if MICROPY_PY_UERRNO
// This list can be defined per port in mpconfigport.h to tailor it to a
// specific port's needs. If it's not defined then we provide a default.
#ifndef MICROPY_PY_UERRNO_LIST
#define MICROPY_PY_UERRNO_LIST \
X(EPERM) \
X(ENOENT) \
X(EIO) \
X(EBADF) \
X(EAGAIN) \
X(ENOMEM) \
X(EACCES) \
X(EEXIST) \
X(ENODEV) \
X(EISDIR) \
X(EINVAL) \
X(EOPNOTSUPP) \
X(EADDRINUSE) \
X(ECONNABORTED) \
X(ECONNRESET) \
X(ENOBUFS) \
X(ENOTCONN) \
X(ETIMEDOUT) \
X(ECONNREFUSED) \
X(EHOSTUNREACH) \
X(EALREADY) \
X(EINPROGRESS) \
#endif
#if MICROPY_PY_UERRNO_ERRORCODE
STATIC const mp_rom_map_elem_t errorcode_table[] = {
#define X(e) { MP_ROM_INT(MP_ ## e), MP_ROM_QSTR(MP_QSTR_## e) },
MICROPY_PY_UERRNO_LIST
#undef X
};
STATIC const mp_obj_dict_t errorcode_dict = {
.base = {&mp_type_dict},
.map = {
.all_keys_are_qstrs = 0, // keys are integers
.is_fixed = 1,
.is_ordered = 1,
.used = MP_ARRAY_SIZE(errorcode_table),
.alloc = MP_ARRAY_SIZE(errorcode_table),
.table = (mp_map_elem_t*)(mp_rom_map_elem_t*)errorcode_table,
},
};
#endif
STATIC const mp_rom_map_elem_t mp_module_uerrno_globals_table[] = {
{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uerrno) },
#if MICROPY_PY_UERRNO_ERRORCODE
{ MP_ROM_QSTR(MP_QSTR_errorcode), MP_ROM_PTR(&errorcode_dict) },
#endif
#define X(e) { MP_ROM_QSTR(MP_QSTR_## e), MP_ROM_INT(MP_ ## e) },
MICROPY_PY_UERRNO_LIST
#undef X
};
STATIC MP_DEFINE_CONST_DICT(mp_module_uerrno_globals, mp_module_uerrno_globals_table);
const mp_obj_module_t mp_module_uerrno = {
.base = { &mp_type_module },
.globals = (mp_obj_dict_t*)&mp_module_uerrno_globals,
};
qstr mp_errno_to_str(mp_obj_t errno_val) {
#if MICROPY_PY_UERRNO_ERRORCODE
// We have the errorcode dict so can do a lookup using the hash map
mp_map_elem_t *elem = mp_map_lookup((mp_map_t*)&errorcode_dict.map, errno_val, MP_MAP_LOOKUP);
if (elem == NULL) {
return MP_QSTR_NULL;
} else {
return MP_OBJ_QSTR_VALUE(elem->value);
}
#else
// We don't have the errorcode dict so do a simple search in the modules dict
for (size_t i = 0; i < MP_ARRAY_SIZE(mp_module_uerrno_globals_table); ++i) {
if (errno_val == mp_module_uerrno_globals_table[i].value) {
return MP_OBJ_QSTR_VALUE(mp_module_uerrno_globals_table[i].key);
}
}
return MP_QSTR_NULL;
#endif
}
#endif //MICROPY_PY_UERRNO
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