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circuitpython/py/objset.c
Scott Shawcroft b057fb8a4b
codeformat
2021-04-19 22:22:44 -07:00

605 lines
21 KiB
C
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* SPDX-FileCopyrightText: Copyright (c) 2013-2017 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 <stdbool.h>
#include <string.h>
#include <assert.h>
#include "py/runtime.h"
#include "py/builtin.h"
#include "supervisor/shared/translate.h"
#if MICROPY_PY_BUILTINS_SET
typedef struct _mp_obj_set_t {
mp_obj_base_t base;
mp_set_t set;
} mp_obj_set_t;
typedef struct _mp_obj_set_it_t {
mp_obj_base_t base;
mp_fun_1_t iternext;
mp_obj_set_t *set;
size_t cur;
} mp_obj_set_it_t;
STATIC mp_obj_t set_it_iternext(mp_obj_t self_in);
STATIC bool is_set_or_frozenset(mp_obj_t o) {
return MP_OBJ_IS_TYPE(o, &mp_type_set)
#if MICROPY_PY_BUILTINS_FROZENSET
|| MP_OBJ_IS_TYPE(o, &mp_type_frozenset)
#endif
;
}
// This macro is shorthand for mp_check_self to verify the argument is a set.
#define check_set(o) mp_check_self(MP_OBJ_IS_TYPE(o, &mp_type_set))
// This macro is shorthand for mp_check_self to verify the argument is a
// set or frozenset for methods that operate on both of these types.
#define check_set_or_frozenset(o) mp_check_self(is_set_or_frozenset(o))
STATIC void set_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
#if MICROPY_PY_BUILTINS_FROZENSET
bool is_frozen = MP_OBJ_IS_TYPE(self_in, &mp_type_frozenset);
#endif
if (self->set.used == 0) {
#if MICROPY_PY_BUILTINS_FROZENSET
if (is_frozen) {
mp_print_str(print, "frozen");
}
#endif
mp_print_str(print, "set()");
return;
}
bool first = true;
#if MICROPY_PY_BUILTINS_FROZENSET
if (is_frozen) {
mp_print_str(print, "frozenset(");
}
#endif
mp_print_str(print, "{");
for (size_t i = 0; i < self->set.alloc; i++) {
if (MP_SET_SLOT_IS_FILLED(&self->set, i)) {
if (!first) {
mp_print_str(print, ", ");
}
first = false;
mp_obj_print_helper(print, self->set.table[i], PRINT_REPR);
}
}
mp_print_str(print, "}");
#if MICROPY_PY_BUILTINS_FROZENSET
if (is_frozen) {
mp_print_str(print, ")");
}
#endif
}
STATIC mp_obj_t set_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *args, mp_map_t *kw_args) {
mp_arg_check_num(n_args, kw_args, 0, 1, false);
switch (n_args) {
case 0: {
// create a new, empty set
mp_obj_set_t *set = MP_OBJ_TO_PTR(mp_obj_new_set(0, NULL));
// set actual set/frozenset type
set->base.type = type;
return MP_OBJ_FROM_PTR(set);
}
case 1:
default: { // can only be 0 or 1 arg
// 1 argument, an iterable from which we make a new set
mp_obj_t set = mp_obj_new_set(0, NULL);
mp_obj_t iterable = mp_getiter(args[0], NULL);
mp_obj_t item;
while ((item = mp_iternext(iterable)) != MP_OBJ_STOP_ITERATION) {
mp_obj_set_store(set, item);
}
// Set actual set/frozenset type
((mp_obj_set_t *)MP_OBJ_TO_PTR(set))->base.type = type;
return set;
}
}
}
STATIC mp_obj_t set_it_iternext(mp_obj_t self_in) {
mp_obj_set_it_t *self = MP_OBJ_TO_PTR(self_in);
size_t max = self->set->set.alloc;
mp_set_t *set = &self->set->set;
for (size_t i = self->cur; i < max; i++) {
if (MP_SET_SLOT_IS_FILLED(set, i)) {
self->cur = i + 1;
return set->table[i];
}
}
return MP_OBJ_STOP_ITERATION;
}
STATIC mp_obj_t set_getiter(mp_obj_t set_in, mp_obj_iter_buf_t *iter_buf) {
assert(sizeof(mp_obj_set_it_t) <= sizeof(mp_obj_iter_buf_t));
mp_obj_set_it_t *o = (mp_obj_set_it_t *)iter_buf;
o->base.type = &mp_type_polymorph_iter;
o->iternext = set_it_iternext;
o->set = (mp_obj_set_t *)MP_OBJ_TO_PTR(set_in);
o->cur = 0;
return MP_OBJ_FROM_PTR(o);
}
/******************************************************************************/
/* set methods */
STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_add_obj, set_add);
STATIC mp_obj_t set_clear(mp_obj_t self_in) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_set_clear(&self->set);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_clear_obj, set_clear);
STATIC mp_obj_t set_copy(mp_obj_t self_in) {
check_set_or_frozenset(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_set_t *other = m_new_obj(mp_obj_set_t);
other->base.type = self->base.type;
mp_set_init(&other->set, self->set.alloc);
other->set.used = self->set.used;
memcpy(other->set.table, self->set.table, self->set.alloc * sizeof(mp_obj_t));
return MP_OBJ_FROM_PTR(other);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_copy_obj, set_copy);
STATIC mp_obj_t set_discard(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_discard_obj, set_discard);
STATIC mp_obj_t set_diff_int(size_t n_args, const mp_obj_t *args, bool update) {
mp_obj_t self;
if (update) {
check_set(args[0]);
self = args[0];
} else {
self = set_copy(args[0]);
}
for (size_t i = 1; i < n_args; i++) {
mp_obj_t other = args[i];
if (self == other) {
set_clear(self);
} else {
mp_set_t *self_set = &((mp_obj_set_t *)MP_OBJ_TO_PTR(self))->set;
mp_obj_t iter = mp_getiter(other, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(self_set, next, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
}
}
}
return self;
}
STATIC mp_obj_t set_diff(size_t n_args, const mp_obj_t *args) {
return set_diff_int(n_args, args, false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_diff_obj, 1, set_diff);
STATIC mp_obj_t set_diff_update(size_t n_args, const mp_obj_t *args) {
set_diff_int(n_args, args, true);
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_diff_update_obj, 1, set_diff_update);
STATIC mp_obj_t set_intersect_int(mp_obj_t self_in, mp_obj_t other, bool update) {
if (update) {
check_set(self_in);
} else {
check_set_or_frozenset(self_in);
}
if (self_in == other) {
return update ? mp_const_none : set_copy(self_in);
}
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_set_t *out = MP_OBJ_TO_PTR(mp_obj_new_set(0, NULL));
mp_obj_t iter = mp_getiter(other, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
set_add(MP_OBJ_FROM_PTR(out), next);
}
}
if (update) {
m_del(mp_obj_t, self->set.table, self->set.alloc);
self->set.alloc = out->set.alloc;
self->set.used = out->set.used;
self->set.table = out->set.table;
}
return update ? mp_const_none : MP_OBJ_FROM_PTR(out);
}
STATIC mp_obj_t set_intersect(mp_obj_t self_in, mp_obj_t other) {
return set_intersect_int(self_in, other, false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_intersect_obj, set_intersect);
STATIC mp_obj_t set_intersect_update(mp_obj_t self_in, mp_obj_t other) {
return set_intersect_int(self_in, other, true);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_intersect_update_obj, set_intersect_update);
STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
check_set_or_frozenset(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_iter_buf_t iter_buf;
mp_obj_t iter = mp_getiter(other, &iter_buf);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
return mp_const_false;
}
}
return mp_const_true;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_isdisjoint_obj, set_isdisjoint);
STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool proper) {
mp_obj_set_t *self;
bool cleanup_self = false;
if (is_set_or_frozenset(self_in)) {
self = MP_OBJ_TO_PTR(self_in);
} else {
self = MP_OBJ_TO_PTR(set_make_new(&mp_type_set, 1, &self_in, NULL));
cleanup_self = true;
}
mp_obj_set_t *other;
bool cleanup_other = false;
if (is_set_or_frozenset(other_in)) {
other = MP_OBJ_TO_PTR(other_in);
} else {
other = MP_OBJ_TO_PTR(set_make_new(&mp_type_set, 1, &other_in, NULL));
cleanup_other = true;
}
mp_obj_t out = mp_const_true;
if (proper && self->set.used == other->set.used) {
out = mp_const_false;
} else {
mp_obj_iter_buf_t iter_buf;
mp_obj_t iter = set_getiter(MP_OBJ_FROM_PTR(self), &iter_buf);
mp_obj_t next;
while ((next = set_it_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) {
out = mp_const_false;
break;
}
}
}
// TODO: Should free objects altogether
if (cleanup_self) {
set_clear(MP_OBJ_FROM_PTR(self));
}
if (cleanup_other) {
set_clear(MP_OBJ_FROM_PTR(other));
}
return out;
}
STATIC mp_obj_t set_issubset(mp_obj_t self_in, mp_obj_t other_in) {
return set_issubset_internal(self_in, other_in, false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_issubset_obj, set_issubset);
STATIC mp_obj_t set_issubset_proper(mp_obj_t self_in, mp_obj_t other_in) {
return set_issubset_internal(self_in, other_in, true);
}
STATIC mp_obj_t set_issuperset(mp_obj_t self_in, mp_obj_t other_in) {
return set_issubset_internal(other_in, self_in, false);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_issuperset_obj, set_issuperset);
STATIC mp_obj_t set_issuperset_proper(mp_obj_t self_in, mp_obj_t other_in) {
return set_issubset_internal(other_in, self_in, true);
}
STATIC mp_obj_t set_equal(mp_obj_t self_in, mp_obj_t other_in) {
assert(is_set_or_frozenset(other_in));
check_set_or_frozenset(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_set_t *other = MP_OBJ_TO_PTR(other_in);
if (self->set.used != other->set.used) {
return mp_const_false;
}
return set_issubset(self_in, other_in);
}
STATIC mp_obj_t set_pop(mp_obj_t self_in) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_t obj = mp_set_remove_first(&self->set);
if (obj == MP_OBJ_NULL) {
mp_raise_msg_varg(&mp_type_KeyError, translate("pop from empty %q"), MP_QSTR_set);
}
return obj;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_pop_obj, set_pop);
STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
check_set(self_in);
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
mp_raise_arg1(&mp_type_KeyError, item);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_remove_obj, set_remove);
STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other_in) {
check_set_or_frozenset(self_in); // can be frozenset due to call from set_symmetric_difference
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_obj_t iter = mp_getiter(other_in, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND_OR_REMOVE_IF_FOUND);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_update_obj, set_symmetric_difference_update);
STATIC mp_obj_t set_symmetric_difference(mp_obj_t self_in, mp_obj_t other_in) {
mp_obj_t self_out = set_copy(self_in);
set_symmetric_difference_update(self_out, other_in);
return self_out;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_obj, set_symmetric_difference);
STATIC void set_update_int(mp_obj_set_t *self, mp_obj_t other_in) {
mp_obj_t iter = mp_getiter(other_in, NULL);
mp_obj_t next;
while ((next = mp_iternext(iter)) != MP_OBJ_STOP_ITERATION) {
mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
}
STATIC mp_obj_t set_update(size_t n_args, const mp_obj_t *args) {
check_set(args[0]);
for (size_t i = 1; i < n_args; i++) {
set_update_int(MP_OBJ_TO_PTR(args[0]), args[i]);
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_update_obj, 1, set_update);
STATIC mp_obj_t set_union(mp_obj_t self_in, mp_obj_t other_in) {
check_set_or_frozenset(self_in);
mp_obj_t self = set_copy(self_in);
set_update_int(MP_OBJ_TO_PTR(self), other_in);
return self;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_union_obj, set_union);
STATIC mp_obj_t set_unary_op(mp_unary_op_t op, mp_obj_t self_in) {
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
switch (op) {
case MP_UNARY_OP_BOOL:
return mp_obj_new_bool(self->set.used != 0);
case MP_UNARY_OP_LEN:
return MP_OBJ_NEW_SMALL_INT(self->set.used);
#if MICROPY_PY_BUILTINS_FROZENSET
case MP_UNARY_OP_HASH:
if (MP_OBJ_IS_TYPE(self_in, &mp_type_frozenset)) {
// start hash with unique value
mp_int_t hash = (mp_int_t)(uintptr_t)&mp_type_frozenset;
size_t max = self->set.alloc;
mp_set_t *set = &self->set;
for (size_t i = 0; i < max; i++) {
if (MP_SET_SLOT_IS_FILLED(set, i)) {
hash += MP_OBJ_SMALL_INT_VALUE(mp_unary_op(MP_UNARY_OP_HASH, set->table[i]));
}
}
return MP_OBJ_NEW_SMALL_INT(hash);
}
#endif
/* FALLTHROUGH */
default:
return MP_OBJ_NULL; // op not supported
}
}
STATIC mp_obj_t set_binary_op(mp_binary_op_t op, mp_obj_t lhs, mp_obj_t rhs) {
mp_obj_t args[] = {lhs, rhs};
#if MICROPY_PY_BUILTINS_FROZENSET
bool update = MP_OBJ_IS_TYPE(lhs, &mp_type_set);
#else
bool update = true;
#endif
if (op != MP_BINARY_OP_CONTAINS && !is_set_or_frozenset(rhs)) {
// For all ops except containment the RHS must be a set/frozenset
return MP_OBJ_NULL;
}
switch (op) {
case MP_BINARY_OP_OR:
return set_union(lhs, rhs);
case MP_BINARY_OP_XOR:
return set_symmetric_difference(lhs, rhs);
case MP_BINARY_OP_AND:
return set_intersect(lhs, rhs);
case MP_BINARY_OP_SUBTRACT:
return set_diff(2, args);
case MP_BINARY_OP_INPLACE_OR:
if (update) {
set_update(2, args);
return lhs;
} else {
return set_union(lhs, rhs);
}
case MP_BINARY_OP_INPLACE_XOR:
if (update) {
set_symmetric_difference_update(lhs, rhs);
return lhs;
} else {
return set_symmetric_difference(lhs, rhs);
}
case MP_BINARY_OP_INPLACE_AND:
rhs = set_intersect_int(lhs, rhs, update);
if (update) {
return lhs;
} else {
return rhs;
}
case MP_BINARY_OP_INPLACE_SUBTRACT:
return set_diff_int(2, args, update);
case MP_BINARY_OP_LESS:
return set_issubset_proper(lhs, rhs);
case MP_BINARY_OP_MORE:
return set_issuperset_proper(lhs, rhs);
case MP_BINARY_OP_EQUAL:
return set_equal(lhs, rhs);
case MP_BINARY_OP_LESS_EQUAL:
return set_issubset(lhs, rhs);
case MP_BINARY_OP_MORE_EQUAL:
return set_issuperset(lhs, rhs);
case MP_BINARY_OP_CONTAINS: {
mp_obj_set_t *o = MP_OBJ_TO_PTR(lhs);
mp_obj_t elem = mp_set_lookup(&o->set, rhs, MP_MAP_LOOKUP);
return mp_obj_new_bool(elem != MP_OBJ_NULL);
}
default:
return MP_OBJ_NULL; // op not supported
}
}
/******************************************************************************/
/* set constructors & public C API */
STATIC const mp_rom_map_elem_t set_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_add), MP_ROM_PTR(&set_add_obj) },
{ MP_ROM_QSTR(MP_QSTR_clear), MP_ROM_PTR(&set_clear_obj) },
{ MP_ROM_QSTR(MP_QSTR_copy), MP_ROM_PTR(&set_copy_obj) },
{ MP_ROM_QSTR(MP_QSTR_discard), MP_ROM_PTR(&set_discard_obj) },
{ MP_ROM_QSTR(MP_QSTR_difference), MP_ROM_PTR(&set_diff_obj) },
{ MP_ROM_QSTR(MP_QSTR_difference_update), MP_ROM_PTR(&set_diff_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_intersection), MP_ROM_PTR(&set_intersect_obj) },
{ MP_ROM_QSTR(MP_QSTR_intersection_update), MP_ROM_PTR(&set_intersect_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_isdisjoint), MP_ROM_PTR(&set_isdisjoint_obj) },
{ MP_ROM_QSTR(MP_QSTR_issubset), MP_ROM_PTR(&set_issubset_obj) },
{ MP_ROM_QSTR(MP_QSTR_issuperset), MP_ROM_PTR(&set_issuperset_obj) },
{ MP_ROM_QSTR(MP_QSTR_pop), MP_ROM_PTR(&set_pop_obj) },
{ MP_ROM_QSTR(MP_QSTR_remove), MP_ROM_PTR(&set_remove_obj) },
{ MP_ROM_QSTR(MP_QSTR_symmetric_difference), MP_ROM_PTR(&set_symmetric_difference_obj) },
{ MP_ROM_QSTR(MP_QSTR_symmetric_difference_update), MP_ROM_PTR(&set_symmetric_difference_update_obj) },
{ MP_ROM_QSTR(MP_QSTR_union), MP_ROM_PTR(&set_union_obj) },
{ MP_ROM_QSTR(MP_QSTR_update), MP_ROM_PTR(&set_update_obj) },
{ MP_ROM_QSTR(MP_QSTR___contains__), MP_ROM_PTR(&mp_op_contains_obj) },
};
STATIC MP_DEFINE_CONST_DICT(set_locals_dict, set_locals_dict_table);
const mp_obj_type_t mp_type_set = {
{ &mp_type_type },
.name = MP_QSTR_set,
.print = set_print,
.make_new = set_make_new,
.unary_op = set_unary_op,
.binary_op = set_binary_op,
.getiter = set_getiter,
.locals_dict = (mp_obj_dict_t *)&set_locals_dict,
};
#if MICROPY_PY_BUILTINS_FROZENSET
STATIC const mp_rom_map_elem_t frozenset_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_copy), MP_ROM_PTR(&set_copy_obj) },
{ MP_ROM_QSTR(MP_QSTR_difference), MP_ROM_PTR(&set_diff_obj) },
{ MP_ROM_QSTR(MP_QSTR_intersection), MP_ROM_PTR(&set_intersect_obj) },
{ MP_ROM_QSTR(MP_QSTR_isdisjoint), MP_ROM_PTR(&set_isdisjoint_obj) },
{ MP_ROM_QSTR(MP_QSTR_issubset), MP_ROM_PTR(&set_issubset_obj) },
{ MP_ROM_QSTR(MP_QSTR_issuperset), MP_ROM_PTR(&set_issuperset_obj) },
{ MP_ROM_QSTR(MP_QSTR_symmetric_difference), MP_ROM_PTR(&set_symmetric_difference_obj) },
{ MP_ROM_QSTR(MP_QSTR_union), MP_ROM_PTR(&set_union_obj) },
{ MP_ROM_QSTR(MP_QSTR___contains__), MP_ROM_PTR(&mp_op_contains_obj) },
};
STATIC MP_DEFINE_CONST_DICT(frozenset_locals_dict, frozenset_locals_dict_table);
const mp_obj_type_t mp_type_frozenset = {
{ &mp_type_type },
.name = MP_QSTR_frozenset,
.print = set_print,
.make_new = set_make_new,
.unary_op = set_unary_op,
.binary_op = set_binary_op,
.getiter = set_getiter,
.locals_dict = (mp_obj_dict_t *)&frozenset_locals_dict,
};
#endif
mp_obj_t mp_obj_new_set(size_t n_args, mp_obj_t *items) {
mp_obj_set_t *o = m_new_obj(mp_obj_set_t);
o->base.type = &mp_type_set;
mp_set_init(&o->set, n_args);
for (size_t i = 0; i < n_args; i++) {
mp_set_lookup(&o->set, items[i], MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
return MP_OBJ_FROM_PTR(o);
}
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item) {
mp_check_self(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
mp_obj_set_t *self = MP_OBJ_TO_PTR(self_in);
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
}
#endif // MICROPY_PY_BUILTINS_SET
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