circuitpython/py/map.h

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typedef enum {
MP_MAP_QSTR,
MP_MAP_OBJ,
} mp_map_kind_t;
typedef struct _mp_map_elem_t {
mp_obj_t key;
mp_obj_t value;
} mp_map_elem_t;
typedef struct _mp_map_t {
struct {
mp_map_kind_t kind : 1;
machine_uint_t used : (8 * BYTES_PER_WORD - 1);
};
machine_uint_t alloc;
mp_map_elem_t *table;
} mp_map_t;
typedef struct _mp_set_t {
machine_uint_t alloc;
machine_uint_t used;
mp_obj_t *table;
} mp_set_t;
// these are defined in runtime.c
mp_map_t *rt_get_map_locals(void);
void rt_set_map_locals(mp_map_t *m);
int get_doubling_prime_greater_or_equal_to(int x);
void mp_map_init(mp_map_t *map, mp_map_kind_t kind, int n);
mp_map_t *mp_map_new(mp_map_kind_t kind, int n);
mp_map_elem_t* mp_map_lookup_helper(mp_map_t *map, mp_obj_t index, bool add_if_not_found);
mp_map_elem_t* mp_qstr_map_lookup(mp_map_t *map, qstr index, bool add_if_not_found);
void mp_set_init(mp_set_t *set, int n);
mp_obj_t mp_set_lookup(mp_set_t *set, mp_obj_t index, bool add_if_not_found);