2015-04-21 14:14:24 +00:00
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/*
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2017-06-30 07:22:17 +00:00
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* This file is part of the MicroPython project, http://micropython.org/
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2015-04-21 14:14:24 +00:00
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015 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 "py/objtuple.h"
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#if MICROPY_PY_ATTRTUPLE || MICROPY_PY_COLLECTIONS
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// this helper function is used by collections.namedtuple
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#if !MICROPY_PY_COLLECTIONS
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STATIC
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#endif
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void mp_obj_attrtuple_print_helper(const mp_print_t *print, const qstr *fields, mp_obj_tuple_t *o) {
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mp_print_str(print, "(");
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2017-02-16 05:09:51 +00:00
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for (size_t i = 0; i < o->len; i++) {
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2015-04-21 14:14:24 +00:00
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if (i > 0) {
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mp_print_str(print, ", ");
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}
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mp_printf(print, "%q=", fields[i]);
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mp_obj_print_helper(print, o->items[i], PRINT_REPR);
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}
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mp_print_str(print, ")");
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}
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#endif
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#if MICROPY_PY_ATTRTUPLE
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STATIC void mp_obj_attrtuple_print(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t kind) {
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(void)kind;
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2015-11-27 17:01:44 +00:00
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mp_obj_tuple_t *o = MP_OBJ_TO_PTR(o_in);
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const qstr *fields = (const qstr*)MP_OBJ_TO_PTR(o->items[o->len]);
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2015-04-21 14:14:24 +00:00
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mp_obj_attrtuple_print_helper(print, fields, o);
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}
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STATIC void mp_obj_attrtuple_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
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if (dest[0] == MP_OBJ_NULL) {
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// load attribute
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2015-11-27 17:01:44 +00:00
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mp_obj_tuple_t *self = MP_OBJ_TO_PTR(self_in);
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2017-02-16 05:09:51 +00:00
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size_t len = self->len;
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2015-11-27 17:01:44 +00:00
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const qstr *fields = (const qstr*)MP_OBJ_TO_PTR(self->items[len]);
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2017-02-16 05:09:51 +00:00
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for (size_t i = 0; i < len; i++) {
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2015-04-21 14:14:24 +00:00
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if (fields[i] == attr) {
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dest[0] = self->items[i];
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return;
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}
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}
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}
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}
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2017-02-16 05:09:51 +00:00
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mp_obj_t mp_obj_new_attrtuple(const qstr *fields, size_t n, const mp_obj_t *items) {
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2015-04-28 23:17:48 +00:00
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mp_obj_tuple_t *o = m_new_obj_var(mp_obj_tuple_t, mp_obj_t, n + 1);
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2015-04-21 14:14:24 +00:00
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o->base.type = &mp_type_attrtuple;
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2015-04-28 23:17:48 +00:00
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o->len = n;
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2017-02-16 05:09:51 +00:00
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for (size_t i = 0; i < n; i++) {
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2015-04-21 14:14:24 +00:00
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o->items[i] = items[i];
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}
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2015-11-27 17:01:44 +00:00
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o->items[n] = MP_OBJ_FROM_PTR(fields);
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return MP_OBJ_FROM_PTR(o);
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2015-04-21 14:14:24 +00:00
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}
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const mp_obj_type_t mp_type_attrtuple = {
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{ &mp_type_type },
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.name = MP_QSTR_tuple, // reuse tuple to save on a qstr
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.print = mp_obj_attrtuple_print,
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.unary_op = mp_obj_tuple_unary_op,
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.binary_op = mp_obj_tuple_binary_op,
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.attr = mp_obj_attrtuple_attr,
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.subscr = mp_obj_tuple_subscr,
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.getiter = mp_obj_tuple_getiter,
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};
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#endif // MICROPY_PY_ATTRTUPLE
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