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       1                 :            : /*
       2                 :            :  * This file is part of the MicroPython project, http://micropython.org/
       3                 :            :  *
       4                 :            :  * The MIT License (MIT)
       5                 :            :  *
       6                 :            :  * Copyright (c) 2013, 2014 Damien P. George
       7                 :            :  *
       8                 :            :  * Permission is hereby granted, free of charge, to any person obtaining a copy
       9                 :            :  * of this software and associated documentation files (the "Software"), to deal
      10                 :            :  * in the Software without restriction, including without limitation the rights
      11                 :            :  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      12                 :            :  * copies of the Software, and to permit persons to whom the Software is
      13                 :            :  * furnished to do so, subject to the following conditions:
      14                 :            :  *
      15                 :            :  * The above copyright notice and this permission notice shall be included in
      16                 :            :  * all copies or substantial portions of the Software.
      17                 :            :  *
      18                 :            :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      19                 :            :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      20                 :            :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      21                 :            :  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      22                 :            :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      23                 :            :  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      24                 :            :  * THE SOFTWARE.
      25                 :            :  */
      26                 :            : 
      27                 :            : #include "py/obj.h"
      28                 :            : #include "py/builtin.h"
      29                 :            : 
      30                 :          4 : static mp_obj_t op_getitem(mp_obj_t self_in, mp_obj_t key_in) {
      31                 :          4 :     const mp_obj_type_t *type = mp_obj_get_type(self_in);
      32                 :            :     // Note: assumes type must have subscr (only used by dict).
      33                 :          4 :     return MP_OBJ_TYPE_GET_SLOT(type, subscr)(self_in, key_in, MP_OBJ_SENTINEL);
      34                 :            : }
      35                 :            : MP_DEFINE_CONST_FUN_OBJ_2(mp_op_getitem_obj, op_getitem);
      36                 :            : 
      37                 :          4 : static mp_obj_t op_setitem(mp_obj_t self_in, mp_obj_t key_in, mp_obj_t value_in) {
      38                 :          4 :     const mp_obj_type_t *type = mp_obj_get_type(self_in);
      39                 :            :     // Note: assumes type must have subscr (only used by dict).
      40                 :          4 :     return MP_OBJ_TYPE_GET_SLOT(type, subscr)(self_in, key_in, value_in);
      41                 :            : }
      42                 :            : MP_DEFINE_CONST_FUN_OBJ_3(mp_op_setitem_obj, op_setitem);
      43                 :            : 
      44                 :          4 : static mp_obj_t op_delitem(mp_obj_t self_in, mp_obj_t key_in) {
      45                 :          4 :     const mp_obj_type_t *type = mp_obj_get_type(self_in);
      46                 :            :     // Note: assumes type must have subscr (only used by dict).
      47                 :          4 :     return MP_OBJ_TYPE_GET_SLOT(type, subscr)(self_in, key_in, MP_OBJ_NULL);
      48                 :            : }
      49                 :            : MP_DEFINE_CONST_FUN_OBJ_2(mp_op_delitem_obj, op_delitem);
      50                 :            : 
      51                 :          8 : static mp_obj_t op_contains(mp_obj_t lhs_in, mp_obj_t rhs_in) {
      52                 :          8 :     const mp_obj_type_t *type = mp_obj_get_type(lhs_in);
      53                 :            :     // Note: assumes type must have binary_op (only used by set/frozenset).
      54                 :          8 :     return MP_OBJ_TYPE_GET_SLOT(type, binary_op)(MP_BINARY_OP_CONTAINS, lhs_in, rhs_in);
      55                 :            : }
      56                 :            : MP_DEFINE_CONST_FUN_OBJ_2(mp_op_contains_obj, op_contains);