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36 results

bootloader-usb.c

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  • Forked from card10 / firmware
    Source project has a limited visibility.
    objenumerate.c 1.39 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_enumerate_t {
        mp_obj_base_t base;
        mp_obj_t iter;
        machine_int_t cur;
    } mp_obj_enumerate_t;
    
    static mp_obj_t enumerate_getiter(mp_obj_t self_in) {
        return self_in;
    }
    
    static mp_obj_t enumerate_iternext(mp_obj_t self_in);
    
    /* TODO: enumerate is one of the ones that can take args or kwargs.
       Sticking to args for now */
    static mp_obj_t enumerate_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
        assert(n_args > 0);
        mp_obj_enumerate_t *o = m_new_obj(mp_obj_enumerate_t);
        o->base.type = &enumerate_type;
        o->iter = rt_getiter(args[0]);
        o->cur = n_args > 1 ? mp_obj_get_int(args[1]) : 0;
        return o;
    }
    
    const mp_obj_type_t enumerate_type = {
        { &mp_const_type },
        "enumerate",
        .make_new = enumerate_make_new,
        .iternext = enumerate_iternext,
        .getiter = enumerate_getiter,
    };
    
    static mp_obj_t enumerate_iternext(mp_obj_t self_in) {
        assert(MP_OBJ_IS_TYPE(self_in, &enumerate_type));
        mp_obj_enumerate_t *self = self_in;
        mp_obj_t next = rt_iternext(self->iter);
        if (next == mp_const_stop_iteration) {
            return mp_const_stop_iteration;
        } else {
            mp_obj_t items[] = {MP_OBJ_NEW_SMALL_INT(self->cur++), next};
            return mp_obj_new_tuple(2, items);
        }
    }