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Diffstat (limited to 'circuitpython/py/objobject.c')
-rw-r--r-- | circuitpython/py/objobject.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/circuitpython/py/objobject.c b/circuitpython/py/objobject.c new file mode 100644 index 0000000..d9c75fa --- /dev/null +++ b/circuitpython/py/objobject.c @@ -0,0 +1,124 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * SPDX-FileCopyrightText: 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 "py/objtype.h" +#include "py/runtime.h" + +#include "supervisor/shared/translate.h" + +typedef struct _mp_obj_object_t { + mp_obj_base_t base; +} mp_obj_object_t; + +STATIC mp_obj_t object_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) { + (void)args; + mp_arg_check_num(n_args, n_kw, 0, 0, false); + mp_obj_object_t *o = m_new_obj(mp_obj_object_t); + o->base.type = type; + return MP_OBJ_FROM_PTR(o); +} + +#if MICROPY_CPYTHON_COMPAT +STATIC mp_obj_t object___init__(mp_obj_t self) { + (void)self; + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(object___init___obj, object___init__); + +STATIC mp_obj_t object___new__(mp_obj_t cls) { + if (!mp_obj_is_type(cls, &mp_type_type) || !mp_obj_is_instance_type((mp_obj_type_t *)MP_OBJ_TO_PTR(cls))) { + mp_raise_TypeError(MP_ERROR_TEXT("__new__ arg must be a user-type")); + } + // This executes only "__new__" part of instance creation. + // TODO: This won't work well for classes with native bases. + // TODO: This is a hack, should be resolved along the lines of + // https://github.com/micropython/micropython/issues/606#issuecomment-43685883 + const mp_obj_type_t *native_base; + return MP_OBJ_FROM_PTR(mp_obj_new_instance(MP_OBJ_TO_PTR(cls), &native_base)); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(object___new___fun_obj, object___new__); +STATIC MP_DEFINE_CONST_STATICMETHOD_OBJ(object___new___obj, MP_ROM_PTR(&object___new___fun_obj)); + +#if MICROPY_PY_DELATTR_SETATTR +STATIC mp_obj_t object___setattr__(mp_obj_t self_in, mp_obj_t attr, mp_obj_t value) { + if (!mp_obj_is_instance_type(mp_obj_get_type(self_in))) { + mp_raise_TypeError(MP_ERROR_TEXT("arg must be user-type")); + } + + if (!mp_obj_is_str(attr)) { + mp_raise_TypeError(NULL); + } + + mp_obj_instance_t *self = MP_OBJ_TO_PTR(self_in); + mp_map_lookup(&self->members, attr, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND)->value = value; + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_3(object___setattr___obj, object___setattr__); + +STATIC mp_obj_t object___delattr__(mp_obj_t self_in, mp_obj_t attr) { + if (!mp_obj_is_instance_type(mp_obj_get_type(self_in))) { + mp_raise_TypeError(MP_ERROR_TEXT("arg must be user-type")); + } + + if (!mp_obj_is_str(attr)) { + mp_raise_TypeError(NULL); + } + + mp_obj_instance_t *self = MP_OBJ_TO_PTR(self_in); + if (mp_map_lookup(&self->members, attr, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == NULL) { + mp_raise_msg(&mp_type_AttributeError, MP_ERROR_TEXT("no such attribute")); + } + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_2(object___delattr___obj, object___delattr__); +#endif + +STATIC const mp_rom_map_elem_t object_locals_dict_table[] = { + #if MICROPY_CPYTHON_COMPAT + { MP_ROM_QSTR(MP_QSTR___init__), MP_ROM_PTR(&object___init___obj) }, + #endif + #if MICROPY_CPYTHON_COMPAT + { MP_ROM_QSTR(MP_QSTR___new__), MP_ROM_PTR(&object___new___obj) }, + #endif + #if MICROPY_PY_DELATTR_SETATTR + { MP_ROM_QSTR(MP_QSTR___setattr__), MP_ROM_PTR(&object___setattr___obj) }, + { MP_ROM_QSTR(MP_QSTR___delattr__), MP_ROM_PTR(&object___delattr___obj) }, + #endif +}; + +STATIC MP_DEFINE_CONST_DICT(object_locals_dict, object_locals_dict_table); +#endif + +const mp_obj_type_t mp_type_object = { + { &mp_type_type }, + .name = MP_QSTR_object, + .make_new = object_make_new, + #if MICROPY_CPYTHON_COMPAT + .locals_dict = (mp_obj_dict_t *)&object_locals_dict, + #endif +}; |