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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include "nlr.h"
#include "misc.h"
#include "mpconfig.h"
#include "mpqstr.h"
#include "obj.h"
#include "runtime0.h"
#include "runtime.h"
#include "map.h"
typedef struct _mp_obj_dict_t {
mp_obj_base_t base;
mp_map_t map;
} mp_obj_dict_t;
static void dict_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {
mp_obj_dict_t *self = self_in;
bool first = true;
print(env, "{");
for (int i = 0; i < self->map.alloc; i++) {
if (self->map.table[i].key != NULL) {
if (!first) {
print(env, ", ");
}
first = false;
mp_obj_print_helper(print, env, self->map.table[i].key);
print(env, ": ");
mp_obj_print_helper(print, env, self->map.table[i].value);
}
}
print(env, "}");
}
// args are reverse in the array
static mp_obj_t dict_make_new(mp_obj_t type_in, int n_args, const mp_obj_t *args) {
// TODO create from an iterable!
return rt_build_map(0);
}
static mp_obj_t dict_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) {
mp_obj_dict_t *o = lhs_in;
switch (op) {
case RT_BINARY_OP_SUBSCR:
{
// dict load
mp_map_elem_t *elem = mp_map_lookup_helper(&o->map, rhs_in, false);
if (elem == NULL) {
nlr_jump(mp_obj_new_exception_msg(MP_QSTR_KeyError, "<value>"));
} else {
return elem->value;
}
}
default:
// op not supported
return NULL;
}
}
const mp_obj_type_t dict_type = {
{ &mp_const_type },
"dict",
dict_print, // print
dict_make_new, // make_new
NULL, // call_n
NULL, // unary_op
dict_binary_op, // binary_op
NULL, // getiter
NULL, // iternext
{{NULL, NULL},}, // method list
};
mp_obj_t mp_obj_new_dict(int n_args) {
mp_obj_dict_t *o = m_new_obj(mp_obj_dict_t);
o->base.type = &dict_type;
mp_map_init(&o->map, MP_MAP_OBJ, n_args);
return o;
}
uint mp_obj_dict_len(mp_obj_t self_in) {
mp_obj_dict_t *self = self_in;
uint len = 0;
for (int i = 0; i < self->map.alloc; i++) {
if (self->map.table[i].key != NULL) {
len += 1;
}
}
return len;
}
mp_obj_t mp_obj_dict_store(mp_obj_t self_in, mp_obj_t key, mp_obj_t value) {
assert(MP_OBJ_IS_TYPE(self_in, &dict_type));
mp_obj_dict_t *self = self_in;
mp_map_lookup_helper(&self->map, key, true)->value = value;
return self_in;
}
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