LCOV - code coverage report
Current view: top level - py - objfilter.c (source / functions) Hit Total Coverage
Test: unix_coverage_v1.19.1-724-gfb7d21153.info Lines: 16 16 100.0 %
Date: 2022-12-01 09:37:31 Functions: 2 2 100.0 %
Branches: 6 6 100.0 %

           Branch data     Line data    Source code
       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/runtime.h"
      28                 :            : 
      29                 :            : #if MICROPY_PY_BUILTINS_FILTER
      30                 :            : 
      31                 :            : typedef struct _mp_obj_filter_t {
      32                 :            :     mp_obj_base_t base;
      33                 :            :     mp_obj_t fun;
      34                 :            :     mp_obj_t iter;
      35                 :            : } mp_obj_filter_t;
      36                 :            : 
      37                 :       2008 : STATIC mp_obj_t filter_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
      38                 :       2008 :     mp_arg_check_num(n_args, n_kw, 2, 2, false);
      39                 :       2008 :     mp_obj_filter_t *o = mp_obj_malloc(mp_obj_filter_t, type);
      40                 :       2008 :     o->fun = args[0];
      41                 :       2008 :     o->iter = mp_getiter(args[1], NULL);
      42                 :       2008 :     return MP_OBJ_FROM_PTR(o);
      43                 :            : }
      44                 :            : 
      45                 :        945 : STATIC mp_obj_t filter_iternext(mp_obj_t self_in) {
      46                 :        945 :     mp_check_self(mp_obj_is_type(self_in, &mp_type_filter));
      47                 :        945 :     mp_obj_filter_t *self = MP_OBJ_TO_PTR(self_in);
      48                 :        945 :     mp_obj_t next;
      49         [ +  + ]:        961 :     while ((next = mp_iternext(self->iter)) != MP_OBJ_STOP_ITERATION) {
      50                 :         56 :         mp_obj_t val;
      51         [ +  + ]:         56 :         if (self->fun != mp_const_none) {
      52                 :         28 :             val = mp_call_function_n_kw(self->fun, 1, 0, &next);
      53                 :            :         } else {
      54                 :            :             val = next;
      55                 :            :         }
      56         [ +  + ]:         56 :         if (mp_obj_is_true(val)) {
      57                 :         40 :             return next;
      58                 :            :         }
      59                 :            :     }
      60                 :            :     return MP_OBJ_STOP_ITERATION;
      61                 :            : }
      62                 :            : 
      63                 :            : MP_DEFINE_CONST_OBJ_TYPE(
      64                 :            :     mp_type_filter,
      65                 :            :     MP_QSTR_filter,
      66                 :            :     MP_TYPE_FLAG_ITER_IS_ITERNEXT,
      67                 :            :     make_new, filter_make_new,
      68                 :            :     iter, filter_iternext
      69                 :            :     );
      70                 :            : 
      71                 :            : #endif // MICROPY_PY_BUILTINS_FILTER

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