From 4fd287655a72b9aea14cdac715ad5b90ed082ed2 Mon Sep 17 00:00:00 2001 From: Raghuram Subramani Date: Sun, 19 Jun 2022 19:47:51 +0530 Subject: add circuitpython code --- circuitpython/py/objsingleton.c | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 circuitpython/py/objsingleton.c (limited to 'circuitpython/py/objsingleton.c') diff --git a/circuitpython/py/objsingleton.c b/circuitpython/py/objsingleton.c new file mode 100644 index 0000000..dfa6876 --- /dev/null +++ b/circuitpython/py/objsingleton.c @@ -0,0 +1,59 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * SPDX-FileCopyrightText: Copyright (c) 2013, 2014 Damien P. George + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include +#include + +#include "py/obj.h" + +/******************************************************************************/ +/* singleton objects defined by Python */ + +typedef struct _mp_obj_singleton_t { + mp_obj_base_t base; + qstr name; +} mp_obj_singleton_t; + +STATIC void singleton_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) { + (void)kind; + mp_obj_singleton_t *self = MP_OBJ_TO_PTR(self_in); + mp_printf(print, "%q", self->name); +} + +const mp_obj_type_t mp_type_singleton = { + { &mp_type_type }, + .flags = MP_TYPE_FLAG_EXTENDED, + .name = MP_QSTR_, + .print = singleton_print, + MP_TYPE_EXTENDED_FIELDS( + .unary_op = mp_generic_unary_op, + ), +}; + +const mp_obj_singleton_t mp_const_ellipsis_obj = {{&mp_type_singleton}, MP_QSTR_Ellipsis}; +#if MICROPY_PY_BUILTINS_NOTIMPLEMENTED +const mp_obj_singleton_t mp_const_notimplemented_obj = {{&mp_type_singleton}, MP_QSTR_NotImplemented}; +#endif -- cgit v1.2.3