micropython/py/objnone.c at osx · dominikznidar/micropython

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#include <stdlib.h>

#include <stdint.h>

#include "nlr.h"

#include "misc.h"

#include "mpconfig.h"

#include "obj.h"

typedef struct _mp_obj_none_t {

mp_obj_base_t base;

} mp_obj_none_t;

void none_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in) {

print(env, "None");

}

const mp_obj_type_t none_type = {

{ &mp_const_type },

"NoneType",

none_print, // print

NULL, // call_n

NULL, // unary_op

NULL, // binary_op

NULL, // getiter

NULL, // iternext

{{NULL, NULL},}, // method list

};

static const mp_obj_none_t none_obj = {{&none_type}};

const mp_obj_t mp_const_none = (mp_obj_t)&none_obj;

// the stop-iteration object just needs to be something unique

// it's not the StopIteration exception

static const mp_obj_none_t stop_it_obj = {{&none_type}};

const mp_obj_t mp_const_stop_iteration = (mp_obj_t)&stop_it_obj;