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28 results

api_dispatcher.c

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  • Forked from card10 / firmware
    Source project has a limited visibility.
    objzip.c 1.32 KiB
    #include <stdlib.h>
    #include <assert.h>
    
    #include "misc.h"
    #include "mpconfig.h"
    #include "qstr.h"
    #include "obj.h"
    #include "runtime.h"
    
    typedef struct _mp_obj_zip_t {
        mp_obj_base_t base;
        int n_iters;
        mp_obj_t iters[];
    } mp_obj_zip_t;
    
    STATIC mp_obj_t zip_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
        // TODO check n_kw == 0
    
        mp_obj_zip_t *o = m_new_obj_var(mp_obj_zip_t, mp_obj_t, n_args);
        o->base.type = &mp_type_zip;
        o->n_iters = n_args;
        for (int i = 0; i < n_args; i++) {
            o->iters[i] = mp_getiter(args[i]);
        }
        return o;
    }
    
    STATIC mp_obj_t zip_iternext(mp_obj_t self_in) {
        assert(MP_OBJ_IS_TYPE(self_in, &mp_type_zip));
        mp_obj_zip_t *self = self_in;
        mp_obj_t *items;
        if (self->n_iters == 0) {
            return MP_OBJ_NULL;
        }
        mp_obj_t o = mp_obj_new_tuple(self->n_iters, NULL);
        mp_obj_tuple_get(o, NULL, &items);
    
        for (int i = 0; i < self->n_iters; i++) {
            mp_obj_t next = mp_iternext(self->iters[i]);
            if (next == MP_OBJ_NULL) {
                mp_obj_tuple_del(o);
                return MP_OBJ_NULL;
            }
            items[i] = next;
        }
        return o;
    }
    
    const mp_obj_type_t mp_type_zip = {
        { &mp_type_type },
        .name = MP_QSTR_zip,
        .make_new = zip_make_new,
        .getiter = mp_identity,
        .iternext = zip_iternext,
    };