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a71c83a1d1
Ultimately all static strings should be qstr. This entry in the type structure is only used for printing error messages (to tell the type of the bad argument), and printing objects that don't supply a .print method.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#include <stdlib.h>
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#include <assert.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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typedef struct _mp_obj_enumerate_t {
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mp_obj_base_t base;
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mp_obj_t iter;
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machine_int_t cur;
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} mp_obj_enumerate_t;
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STATIC mp_obj_t enumerate_iternext(mp_obj_t self_in);
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/* TODO: enumerate is one of the ones that can take args or kwargs.
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Sticking to args for now */
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STATIC mp_obj_t enumerate_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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assert(n_args > 0);
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mp_obj_enumerate_t *o = m_new_obj(mp_obj_enumerate_t);
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o->base.type = &enumerate_type;
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o->iter = rt_getiter(args[0]);
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o->cur = n_args > 1 ? mp_obj_get_int(args[1]) : 0;
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return o;
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}
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const mp_obj_type_t enumerate_type = {
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{ &mp_const_type },
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.name = MP_QSTR_enumerate,
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.make_new = enumerate_make_new,
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.iternext = enumerate_iternext,
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.getiter = mp_identity,
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};
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STATIC mp_obj_t enumerate_iternext(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &enumerate_type));
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mp_obj_enumerate_t *self = self_in;
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mp_obj_t next = rt_iternext(self->iter);
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if (next == mp_const_stop_iteration) {
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return mp_const_stop_iteration;
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} else {
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mp_obj_t items[] = {MP_OBJ_NEW_SMALL_INT(self->cur++), next};
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return mp_obj_new_tuple(2, items);
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}
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}
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