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RIOT/tests/unittests/map.h 2.22 KB
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  /*
   * Copyright (C) 2012 William Swanson
   *
   * 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 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.
   *
   * Except as contained in this notice, the names of the authors or
   * their institutions shall not be used in advertising or otherwise to
   * promote the sale, use or other dealings in this Software without
   * prior written authorization from the authors.
   */
  
  #ifndef UNITTESTS_MAP_H_
  #define UNITTESTS_MAP_H_
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define EVAL0(...) __VA_ARGS__
  #define EVAL1(...) EVAL0 (EVAL0 (EVAL0 (__VA_ARGS__)))
  #define EVAL2(...) EVAL1 (EVAL1 (EVAL1 (__VA_ARGS__)))
  #define EVAL3(...) EVAL2 (EVAL2 (EVAL2 (__VA_ARGS__)))
  #define EVAL4(...) EVAL3 (EVAL3 (EVAL3 (__VA_ARGS__)))
  #define EVAL(...)  EVAL4 (EVAL4 (EVAL4 (__VA_ARGS__)))
  
  #define MAP_END(...)
  #define MAP_OUT
  
  #define MAP_GET_END() 0, MAP_END
  #define MAP_NEXT0(test, next, ...) next MAP_OUT
  #define MAP_NEXT1(test, next) MAP_NEXT0 (test, next, 0)
  #define MAP_NEXT(test, next)  MAP_NEXT1 (MAP_GET_END test, next)
  
  #define MAP0(f, x, peek, ...) f(x) MAP_NEXT (peek, MAP1) (f, peek, __VA_ARGS__)
  #define MAP1(f, x, peek, ...) f(x) MAP_NEXT (peek, MAP0) (f, peek, __VA_ARGS__)
  #define MAP(f, ...) EVAL (MAP1 (f, __VA_ARGS__, (), 0))
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* UNITTESTS_MAP_H_ */