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f563406d2e
It's configured by MICROPY_PY_UERRNO_ERRORCODE and enabled by default (since that's the behaviour before this patch). Without this dict the lookup of errno codes to strings must use the uerrno module itself.
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <assert.h>
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#include <string.h>
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#include "py/obj.h"
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#include "py/mperrno.h"
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#if MICROPY_PY_UERRNO
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// This list could be defined per port in mpconfigport.h to tailor it to a
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// specific port's needs. But for now we have a common list.
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#define ERRNO_LIST \
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X(EPERM) \
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X(ENOENT) \
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X(EIO) \
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X(EBADF) \
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X(EAGAIN) \
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X(ENOMEM) \
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X(EACCES) \
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X(EEXIST) \
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X(ENODEV) \
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X(EISDIR) \
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X(EINVAL) \
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X(EOPNOTSUPP) \
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X(EADDRINUSE) \
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X(ECONNABORTED) \
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X(ECONNRESET) \
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X(ENOBUFS) \
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X(ENOTCONN) \
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X(ETIMEDOUT) \
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X(ECONNREFUSED) \
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X(EHOSTUNREACH) \
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X(EALREADY) \
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X(EINPROGRESS) \
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#if MICROPY_PY_UERRNO_ERRORCODE
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STATIC const mp_rom_map_elem_t errorcode_table[] = {
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#define X(e) { MP_ROM_INT(MP_ ## e), MP_ROM_QSTR(MP_QSTR_## e) },
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ERRNO_LIST
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#undef X
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};
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STATIC const mp_obj_dict_t errorcode_dict = {
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.base = {&mp_type_dict},
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.map = {
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.all_keys_are_qstrs = 0, // keys are integers
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.is_fixed = 1,
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.is_ordered = 1,
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.used = MP_ARRAY_SIZE(errorcode_table),
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.alloc = MP_ARRAY_SIZE(errorcode_table),
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.table = (mp_map_elem_t*)(mp_rom_map_elem_t*)errorcode_table,
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},
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};
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#endif
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STATIC const mp_rom_map_elem_t mp_module_uerrno_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_uerrno) },
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#if MICROPY_PY_UERRNO_ERRORCODE
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{ MP_ROM_QSTR(MP_QSTR_errorcode), MP_ROM_PTR(&errorcode_dict) },
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#endif
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#define X(e) { MP_ROM_QSTR(MP_QSTR_## e), MP_ROM_INT(MP_ ## e) },
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ERRNO_LIST
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#undef X
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};
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STATIC MP_DEFINE_CONST_DICT(mp_module_uerrno_globals, mp_module_uerrno_globals_table);
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const mp_obj_module_t mp_module_uerrno = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mp_module_uerrno_globals,
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};
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qstr mp_errno_to_str(mp_obj_t errno_val) {
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#if MICROPY_PY_UERRNO_ERRORCODE
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// We have the errorcode dict so can do a lookup using the hash map
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mp_map_elem_t *elem = mp_map_lookup((mp_map_t*)&errorcode_dict.map, errno_val, MP_MAP_LOOKUP);
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if (elem == NULL) {
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return MP_QSTR_NULL;
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} else {
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return MP_OBJ_QSTR_VALUE(elem->value);
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}
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#else
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// We don't have the errorcode dict so do a simple search in the modules dict
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for (size_t i = 0; i < MP_ARRAY_SIZE(mp_module_uerrno_globals_table); ++i) {
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if (errno_val == mp_module_uerrno_globals_table[i].value) {
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return MP_OBJ_QSTR_VALUE(mp_module_uerrno_globals_table[i].key);
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}
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}
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return MP_QSTR_NULL;
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#endif
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}
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#endif //MICROPY_PY_UERRNO
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