ee7a880d6e
Updated functions now do proper checking that n_kw==0, and are simpler because they don't have to explicitly raise an exception. Down side is that the error messages no longer include the function name, but that's acceptable. Saves order 300 text bytes on x64 and ARM.
82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdlib.h>
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#include <assert.h>
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#include "mpconfig.h"
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#include "misc.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_zip_t {
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mp_obj_base_t base;
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int n_iters;
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mp_obj_t iters[];
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} mp_obj_zip_t;
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STATIC mp_obj_t zip_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp_obj_t *args) {
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mp_arg_check_num(n_args, n_kw, 0, MP_OBJ_FUN_ARGS_MAX, false);
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mp_obj_zip_t *o = m_new_obj_var(mp_obj_zip_t, mp_obj_t, n_args);
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o->base.type = &mp_type_zip;
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o->n_iters = n_args;
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for (int i = 0; i < n_args; i++) {
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o->iters[i] = mp_getiter(args[i]);
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}
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return o;
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}
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STATIC mp_obj_t zip_iternext(mp_obj_t self_in) {
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assert(MP_OBJ_IS_TYPE(self_in, &mp_type_zip));
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mp_obj_zip_t *self = self_in;
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mp_obj_t *items;
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if (self->n_iters == 0) {
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return MP_OBJ_STOP_ITERATION;
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}
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mp_obj_t o = mp_obj_new_tuple(self->n_iters, NULL);
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mp_obj_tuple_get(o, NULL, &items);
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for (int i = 0; i < self->n_iters; i++) {
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mp_obj_t next = mp_iternext(self->iters[i]);
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if (next == MP_OBJ_STOP_ITERATION) {
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mp_obj_tuple_del(o);
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return MP_OBJ_STOP_ITERATION;
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}
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items[i] = next;
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}
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return o;
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}
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const mp_obj_type_t mp_type_zip = {
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{ &mp_type_type },
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.name = MP_QSTR_zip,
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.make_new = zip_make_new,
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.getiter = mp_identity,
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.iternext = zip_iternext,
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};
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