text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2020 Jeff Epler for Adafruit Industries
   *
   * 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 "shared-bindings/canio/Match.h"
  
  #include "py/objproperty.h"
  #include "py/runtime.h"
  
  //| class Match:
  //|     """Describe CAN bus messages to match"""
  //|
  //|
  //|     def __init__(self, id: int, *, mask: Optional[int] = None, extended: bool = False) -> None:
  //|         """Construct a Match with the given properties.
  //|
  //|         If mask is not None, then the filter is for any id which matches all
  //|         the nonzero bits in mask. Otherwise, it matches exactly the given id.
  //|         If extended is true then only extended ids are matched, otherwise
  //|         only standard ids are matched."""
  //|
  
  STATIC mp_obj_t canio_match_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
      enum { ARG_id, ARG_mask, ARG_extended, NUM_ARGS };
      static const mp_arg_t allowed_args[] = {
          { MP_QSTR_id, MP_ARG_INT | MP_ARG_REQUIRED },
          { MP_QSTR_mask, MP_ARG_OBJ, {.u_obj = mp_const_none } },
          { MP_QSTR_extended, MP_ARG_BOOL, {.u_bool = false} },
      };
      mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
      MP_STATIC_ASSERT(MP_ARRAY_SIZE(allowed_args) == NUM_ARGS);
  
      mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
  
      int id_bits = args[ARG_extended].u_bool ? 0x1fffffff : 0x7ff;
      int id = args[ARG_id].u_int;
      int mask = args[ARG_mask].u_obj == mp_const_none ?  id_bits : mp_obj_get_int(args[ARG_mask].u_obj);
  
      if (id & ~id_bits) {
          mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_id);
      }
  
      if (mask & ~id_bits) {
          mp_raise_ValueError_varg(translate("%q out of range"), MP_QSTR_mask);
      }
  
      canio_match_obj_t *self = m_new_obj(canio_match_obj_t);
      self->base.type = &canio_match_type;
      common_hal_canio_match_construct(self, id, mask, args[ARG_extended].u_bool);
      return self;
  }
  
  //|     id: int
  //|     """The id to match"""
  //|
  
  STATIC mp_obj_t canio_match_id_get(mp_obj_t self_in) {
      canio_match_obj_t *self = self_in;
      return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_id(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(canio_match_id_get_obj, canio_match_id_get);
  
  const mp_obj_property_t canio_match_id_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&canio_match_id_get_obj,
                (mp_obj_t)&mp_const_none_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  //|
  //|     mask: int
  //|     """The optional mask of ids to match"""
  //|
  
  STATIC mp_obj_t canio_match_mask_get(mp_obj_t self_in) {
      canio_match_obj_t *self = self_in;
      return MP_OBJ_NEW_SMALL_INT(common_hal_canio_match_get_mask(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(canio_match_mask_get_obj, canio_match_mask_get);
  
  const mp_obj_property_t canio_match_mask_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&canio_match_mask_get_obj,
                (mp_obj_t)&mp_const_none_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  //|     extended: bool
  //|     """True to match extended ids, False to match standard ides"""
  //|
  
  STATIC mp_obj_t canio_match_extended_get(mp_obj_t self_in) {
      canio_match_obj_t *self = self_in;
      return mp_obj_new_bool(common_hal_canio_match_get_extended(self));
  }
  MP_DEFINE_CONST_FUN_OBJ_1(canio_match_extended_get_obj, canio_match_extended_get);
  
  const mp_obj_property_t canio_match_extended_obj = {
      .base.type = &mp_type_property,
      .proxy = {(mp_obj_t)&canio_match_extended_get_obj,
                (mp_obj_t)&mp_const_none_obj,
                (mp_obj_t)&mp_const_none_obj},
  };
  
  STATIC const mp_rom_map_elem_t canio_match_locals_dict_table[] = {
      { MP_ROM_QSTR(MP_QSTR_id), MP_ROM_PTR(&canio_match_id_obj) },
      { MP_ROM_QSTR(MP_QSTR_mask), MP_ROM_PTR(&canio_match_mask_obj) },
      { MP_ROM_QSTR(MP_QSTR_extended), MP_ROM_PTR(&canio_match_extended_obj) },
  };
  STATIC MP_DEFINE_CONST_DICT(canio_match_locals_dict, canio_match_locals_dict_table);
  
  const mp_obj_type_t canio_match_type = {
      { &mp_type_type },
      .name = MP_QSTR_Match,
      .make_new = canio_match_make_new,
      .locals_dict = (mp_obj_dict_t *)&canio_match_locals_dict,
  };
  