473 lines
15 KiB
C
473 lines
15 KiB
C
#include <stdbool.h>
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#include <string.h>
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#include <assert.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime.h"
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#include "runtime0.h"
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typedef struct _mp_obj_set_t {
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mp_obj_base_t base;
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mp_set_t set;
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} mp_obj_set_t;
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typedef struct _mp_obj_set_it_t {
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mp_obj_base_t base;
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mp_obj_set_t *set;
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machine_uint_t cur;
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} mp_obj_set_it_t;
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STATIC mp_obj_t set_it_iternext(mp_obj_t self_in);
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STATIC void set_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
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mp_obj_set_t *self = self_in;
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if (self->set.used == 0) {
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print(env, "set()");
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return;
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}
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bool first = true;
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print(env, "{");
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for (int i = 0; i < self->set.alloc; i++) {
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if (self->set.table[i] != MP_OBJ_NULL) {
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if (!first) {
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print(env, ", ");
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}
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first = false;
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mp_obj_print_helper(print, env, self->set.table[i], PRINT_REPR);
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}
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}
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print(env, "}");
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}
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STATIC mp_obj_t set_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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// TODO check n_kw == 0
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switch (n_args) {
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case 0:
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// return a new, empty set
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return mp_obj_new_set(0, NULL);
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case 1:
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{
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// 1 argument, an iterable from which we make a new set
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mp_obj_t set = mp_obj_new_set(0, NULL);
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mp_obj_t iterable = mp_getiter(args[0]);
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mp_obj_t item;
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while ((item = mp_iternext(iterable)) != MP_OBJ_NULL) {
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mp_obj_set_store(set, item);
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}
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return set;
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}
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default:
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nlr_jump(mp_obj_new_exception_msg_varg(&mp_type_TypeError, "set takes at most 1 argument, %d given", n_args));
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}
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}
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const mp_obj_type_t mp_type_set_it = {
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{ &mp_type_type },
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.name = MP_QSTR_iterator,
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.getiter = mp_identity,
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.iternext = set_it_iternext,
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};
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STATIC mp_obj_t set_it_iternext(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set_it));
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mp_obj_set_it_t *self = self_in;
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machine_uint_t max = self->set->set.alloc;
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mp_obj_t *table = self->set->set.table;
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for (machine_uint_t i = self->cur; i < max; i++) {
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if (table[i] != NULL) {
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self->cur = i + 1;
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return table[i];
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}
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}
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return MP_OBJ_NULL;
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}
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STATIC mp_obj_t set_getiter(mp_obj_t set_in) {
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mp_obj_set_it_t *o = m_new_obj(mp_obj_set_it_t);
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o->base.type = &mp_type_set_it;
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o->set = (mp_obj_set_t *)set_in;
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o->cur = 0;
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return o;
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}
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/******************************************************************************/
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/* set methods */
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STATIC mp_obj_t set_add(mp_obj_t self_in, mp_obj_t item) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_add_obj, set_add);
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STATIC mp_obj_t set_clear(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_set_clear(&self->set);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_clear_obj, set_clear);
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STATIC mp_obj_t set_copy(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_obj_set_t *other = m_new_obj(mp_obj_set_t);
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other->base.type = &mp_type_set;
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mp_set_init(&other->set, self->set.alloc - 1);
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other->set.used = self->set.used;
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memcpy(other->set.table, self->set.table, self->set.alloc * sizeof(mp_obj_t));
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return other;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_copy_obj, set_copy);
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STATIC mp_obj_t set_discard(mp_obj_t self_in, mp_obj_t item) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_discard_obj, set_discard);
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STATIC mp_obj_t set_diff_int(int n_args, const mp_obj_t *args, bool update) {
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assert(n_args > 0);
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assert(MP_OBJ_IS_TYPE(args[0], &mp_type_set));
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mp_obj_set_t *self;
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if (update) {
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self = args[0];
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} else {
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self = set_copy(args[0]);
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}
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for (int i = 1; i < n_args; i++) {
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mp_obj_t other = args[i];
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if (self == other) {
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set_clear(self);
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} else {
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mp_obj_t iter = mp_getiter(other);
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mp_obj_t next;
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while ((next = mp_iternext(iter)) != MP_OBJ_NULL) {
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set_discard(self, next);
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}
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}
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}
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return self;
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}
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STATIC mp_obj_t set_diff(uint n_args, const mp_obj_t *args) {
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return set_diff_int(n_args, args, false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_diff_obj, 1, set_diff);
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STATIC mp_obj_t set_diff_update(uint n_args, const mp_obj_t *args) {
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set_diff_int(n_args, args, true);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_diff_update_obj, 1, set_diff_update);
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STATIC mp_obj_t set_intersect_int(mp_obj_t self_in, mp_obj_t other, bool update) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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if (self_in == other) {
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return update ? mp_const_none : set_copy(self_in);
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}
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mp_obj_set_t *self = self_in;
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mp_obj_set_t *out = mp_obj_new_set(0, NULL);
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mp_obj_t iter = mp_getiter(other);
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mp_obj_t next;
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while ((next = mp_iternext(iter)) != MP_OBJ_NULL) {
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if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
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set_add(out, next);
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}
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}
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if (update) {
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m_del(mp_obj_t, self->set.table, self->set.alloc);
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self->set.alloc = out->set.alloc;
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self->set.used = out->set.used;
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self->set.table = out->set.table;
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}
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return update ? mp_const_none : out;
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}
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STATIC mp_obj_t set_intersect(mp_obj_t self_in, mp_obj_t other) {
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return set_intersect_int(self_in, other, false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_intersect_obj, set_intersect);
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STATIC mp_obj_t set_intersect_update(mp_obj_t self_in, mp_obj_t other) {
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return set_intersect_int(self_in, other, true);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_intersect_update_obj, set_intersect_update);
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STATIC mp_obj_t set_isdisjoint(mp_obj_t self_in, mp_obj_t other) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_obj_t iter = mp_getiter(other);
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mp_obj_t next;
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while ((next = mp_iternext(iter)) != MP_OBJ_NULL) {
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if (mp_set_lookup(&self->set, next, MP_MAP_LOOKUP)) {
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return mp_const_false;
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}
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}
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return mp_const_true;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_isdisjoint_obj, set_isdisjoint);
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STATIC mp_obj_t set_issubset_internal(mp_obj_t self_in, mp_obj_t other_in, bool proper) {
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mp_obj_set_t *self;
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bool cleanup_self = false;
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if (MP_OBJ_IS_TYPE(self_in, &mp_type_set)) {
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self = self_in;
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} else {
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self = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &self_in);
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cleanup_self = true;
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}
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mp_obj_set_t *other;
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bool cleanup_other = false;
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if (MP_OBJ_IS_TYPE(other_in, &mp_type_set)) {
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other = other_in;
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} else {
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other = set_make_new((mp_obj_t)&mp_type_set, 1, 0, &other_in);
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cleanup_other = true;
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}
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bool out = true;
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if (proper && self->set.used == other->set.used) {
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out = false;
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} else {
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mp_obj_t iter = set_getiter(self);
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mp_obj_t next;
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while ((next = set_it_iternext(iter)) != MP_OBJ_NULL) {
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if (!mp_set_lookup(&other->set, next, MP_MAP_LOOKUP)) {
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out = false;
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break;
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}
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}
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}
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if (cleanup_self) {
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set_clear(self);
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}
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if (cleanup_other) {
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set_clear(other);
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}
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return MP_BOOL(out);
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}
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STATIC mp_obj_t set_issubset(mp_obj_t self_in, mp_obj_t other_in) {
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return set_issubset_internal(self_in, other_in, false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_issubset_obj, set_issubset);
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STATIC mp_obj_t set_issubset_proper(mp_obj_t self_in, mp_obj_t other_in) {
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return set_issubset_internal(self_in, other_in, true);
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}
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STATIC mp_obj_t set_issuperset(mp_obj_t self_in, mp_obj_t other_in) {
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return set_issubset_internal(other_in, self_in, false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_issuperset_obj, set_issuperset);
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STATIC mp_obj_t set_issuperset_proper(mp_obj_t self_in, mp_obj_t other_in) {
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return set_issubset_internal(other_in, self_in, true);
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}
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STATIC mp_obj_t set_equal(mp_obj_t self_in, mp_obj_t other_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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if (!MP_OBJ_IS_TYPE(other_in, &mp_type_set)) {
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return mp_const_false;
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}
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mp_obj_set_t *other = other_in;
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if (self->set.used != other->set.used) {
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return mp_const_false;
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}
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return set_issubset(self_in, other_in);
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}
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STATIC mp_obj_t set_pop(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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if (self->set.used == 0) {
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nlr_jump(mp_obj_new_exception_msg(&mp_type_KeyError, "pop from an empty set"));
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}
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mp_obj_t obj = mp_set_lookup(&self->set, NULL,
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MP_MAP_LOOKUP_REMOVE_IF_FOUND | MP_MAP_LOOKUP_FIRST);
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return obj;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(set_pop_obj, set_pop);
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STATIC mp_obj_t set_remove(mp_obj_t self_in, mp_obj_t item) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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if (mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_REMOVE_IF_FOUND) == MP_OBJ_NULL) {
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nlr_jump(mp_obj_new_exception(&mp_type_KeyError));
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_remove_obj, set_remove);
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STATIC mp_obj_t set_symmetric_difference_update(mp_obj_t self_in, mp_obj_t other_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = self_in;
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mp_obj_t iter = mp_getiter(other_in);
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mp_obj_t next;
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while ((next = mp_iternext(iter)) != MP_OBJ_NULL) {
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mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_REMOVE_IF_FOUND | MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_update_obj, set_symmetric_difference_update);
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STATIC mp_obj_t set_symmetric_difference(mp_obj_t self_in, mp_obj_t other_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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self_in = set_copy(self_in);
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set_symmetric_difference_update(self_in, other_in);
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return self_in;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_symmetric_difference_obj, set_symmetric_difference);
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STATIC void set_update_int(mp_obj_set_t *self, mp_obj_t other_in) {
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mp_obj_t iter = mp_getiter(other_in);
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mp_obj_t next;
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while ((next = mp_iternext(iter)) != MP_OBJ_NULL) {
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mp_set_lookup(&self->set, next, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
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}
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}
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STATIC mp_obj_t set_update(uint n_args, const mp_obj_t *args) {
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assert(n_args > 0);
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assert(MP_OBJ_IS_TYPE(args[0], &mp_type_set));
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for (int i = 1; i < n_args; i++) {
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set_update_int(args[0], args[i]);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR(set_update_obj, 1, set_update);
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STATIC mp_obj_t set_union(mp_obj_t self_in, mp_obj_t other_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
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mp_obj_set_t *self = set_copy(self_in);
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set_update_int(self, other_in);
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return self;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(set_union_obj, set_union);
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STATIC mp_obj_t set_binary_op(int op, mp_obj_t lhs, mp_obj_t rhs) {
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mp_obj_t args[] = {lhs, rhs};
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switch (op) {
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case MP_BINARY_OP_OR:
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return set_union(lhs, rhs);
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case MP_BINARY_OP_XOR:
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return set_symmetric_difference(lhs, rhs);
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case MP_BINARY_OP_AND:
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return set_intersect(lhs, rhs);
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case MP_BINARY_OP_SUBTRACT:
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return set_diff(2, args);
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case MP_BINARY_OP_INPLACE_OR:
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return set_union(lhs, rhs);
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case MP_BINARY_OP_INPLACE_XOR:
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return set_symmetric_difference(lhs, rhs);
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case MP_BINARY_OP_INPLACE_AND:
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return set_intersect(lhs, rhs);
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case MP_BINARY_OP_INPLACE_SUBTRACT:
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return set_diff(2, args);
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case MP_BINARY_OP_LESS:
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return set_issubset_proper(lhs, rhs);
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case MP_BINARY_OP_MORE:
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return set_issuperset_proper(lhs, rhs);
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case MP_BINARY_OP_EQUAL:
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return set_equal(lhs, rhs);
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case MP_BINARY_OP_LESS_EQUAL:
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return set_issubset(lhs, rhs);
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case MP_BINARY_OP_MORE_EQUAL:
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return set_issuperset(lhs, rhs);
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case MP_BINARY_OP_NOT_EQUAL:
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return MP_BOOL(set_equal(lhs, rhs) == mp_const_false);
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case MP_BINARY_OP_IN:
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{
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mp_obj_set_t *o = lhs;
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mp_obj_t elem = mp_set_lookup(&o->set, rhs, MP_MAP_LOOKUP);
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return MP_BOOL(elem != NULL);
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}
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default:
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// op not supported
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return NULL;
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}
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}
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/******************************************************************************/
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/* set constructors & public C API */
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STATIC const mp_map_elem_t set_locals_dict_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_add), (mp_obj_t)&set_add_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_clear), (mp_obj_t)&set_clear_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_copy), (mp_obj_t)&set_copy_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_discard), (mp_obj_t)&set_discard_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_difference), (mp_obj_t)&set_diff_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_difference_update), (mp_obj_t)&set_diff_update_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_intersection), (mp_obj_t)&set_intersect_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_intersection_update), (mp_obj_t)&set_intersect_update_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_isdisjoint), (mp_obj_t)&set_isdisjoint_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_issubset), (mp_obj_t)&set_issubset_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_issuperset), (mp_obj_t)&set_issuperset_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_pop), (mp_obj_t)&set_pop_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&set_remove_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_symmetric_difference), (mp_obj_t)&set_symmetric_difference_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_symmetric_difference_update), (mp_obj_t)&set_symmetric_difference_update_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_union), (mp_obj_t)&set_union_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_update), (mp_obj_t)&set_update_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,
|
|
.binary_op = set_binary_op,
|
|
.getiter = set_getiter,
|
|
.locals_dict = (mp_obj_t)&set_locals_dict,
|
|
};
|
|
|
|
mp_obj_t mp_obj_new_set(int 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 (int i = 0; i < n_args; i++) {
|
|
mp_set_lookup(&o->set, items[i], MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
|
|
}
|
|
return o;
|
|
}
|
|
|
|
void mp_obj_set_store(mp_obj_t self_in, mp_obj_t item) {
|
|
assert(MP_OBJ_IS_TYPE(self_in, &mp_type_set));
|
|
mp_obj_set_t *self = self_in;
|
|
mp_set_lookup(&self->set, item, MP_MAP_LOOKUP_ADD_IF_NOT_FOUND);
|
|
}
|