/*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * 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 <stdlib.h>
  
  #include "py/obj.h"
  
  typedef struct _mp_obj_none_t {
      mp_obj_base_t base;
  } mp_obj_none_t;
  
  STATIC void none_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
      (void)self_in;
      if (MICROPY_PY_UJSON && kind == PRINT_JSON) {
          mp_print_str(print, "null");
      } else {
          mp_print_str(print, "None");
      }
  }
  
  const mp_obj_type_t mp_type_NoneType = {
      { &mp_type_type },
      .name = MP_QSTR_NoneType,
      .print = none_print,
      .unary_op = mp_generic_unary_op,
  };
  
  const mp_obj_none_t mp_const_none_obj = {{&mp_type_NoneType}};