DFGVariadicFunction.h 5.3 KB

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  1. /*
  2. * Copyright (C) 2013 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
  17. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef DFGVariadicFunction_h
  26. #define DFGVariadicFunction_h
  27. #define DFG_COMMA ,
  28. // The signature of v is (templatePre, templatePost, typeParams, valueParams, valueArgs)
  29. //
  30. // You would use it like:
  31. // #define DEFINE_FUNCTION(templatePre, templatePost, typeParams, valueParamsComma, valueParams, valueArgs)
  32. // templatePre typeParams templatePost void f(valueParams) { g(valueArgs); }
  33. // DFG_VARIADIC_TEMPLATE_FUNCTION(DEFINE_FUNCTION)
  34. // #undef DEFINE_FUNCTION
  35. //
  36. // Or if you wanted the defined function to take an additional template arg, you would do:
  37. // #define DEFINE_FUNCTION(templatePre, templatePost, typeParams, valueParamsComma, valueParams, valueArgs)
  38. // template<typename T valueParamsComma typeParams> void f(T value valueParamsComma valueParams) { g(value, valueArgs); }
  39. // DFG_VARIADIC_TEMPLATE_FUNCTION(DEFINE_FUNCTION)
  40. // #undef DEFINE_FUNCTION
  41. #define DFG_VARIADIC_TEMPLATE_FUNCTION(v) \
  42. v(, , , , , ) \
  43. v(template<, >, typename _DFG_T1, DFG_COMMA, const _DFG_T1& _DFG_value1, _DFG_value1) \
  44. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2, _DFG_value1 DFG_COMMA _DFG_value2) \
  45. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3) \
  46. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3 DFG_COMMA typename _DFG_T4, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3 DFG_COMMA const _DFG_T4& _DFG_value4, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3 DFG_COMMA _DFG_value4) \
  47. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3 DFG_COMMA typename _DFG_T4 DFG_COMMA typename _DFG_T5, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3 DFG_COMMA const _DFG_T4& _DFG_value4 DFG_COMMA const _DFG_T5& _DFG_value5, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3 DFG_COMMA _DFG_value4 DFG_COMMA _DFG_value5) \
  48. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3 DFG_COMMA typename _DFG_T4 DFG_COMMA typename _DFG_T5 DFG_COMMA typename _DFG_T6, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3 DFG_COMMA const _DFG_T4& _DFG_value4 DFG_COMMA const _DFG_T5& _DFG_value5 DFG_COMMA const _DFG_T6& _DFG_value6, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3 DFG_COMMA _DFG_value4 DFG_COMMA _DFG_value5 DFG_COMMA _DFG_value6) \
  49. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3 DFG_COMMA typename _DFG_T4 DFG_COMMA typename _DFG_T5 DFG_COMMA typename _DFG_T6 DFG_COMMA typename _DFG_T7, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3 DFG_COMMA const _DFG_T4& _DFG_value4 DFG_COMMA const _DFG_T5& _DFG_value5 DFG_COMMA const _DFG_T6& _DFG_value6 DFG_COMMA const _DFG_T7& _DFG_value7, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3 DFG_COMMA _DFG_value4 DFG_COMMA _DFG_value5 DFG_COMMA _DFG_value6 DFG_COMMA _DFG_value7) \
  50. v(template<, >, typename _DFG_T1 DFG_COMMA typename _DFG_T2 DFG_COMMA typename _DFG_T3 DFG_COMMA typename _DFG_T4 DFG_COMMA typename _DFG_T5 DFG_COMMA typename _DFG_T6 DFG_COMMA typename _DFG_T7 DFG_COMMA typename _DFG_T8, DFG_COMMA, const _DFG_T1& _DFG_value1 DFG_COMMA const _DFG_T2& _DFG_value2 DFG_COMMA const _DFG_T3& _DFG_value3 DFG_COMMA const _DFG_T4& _DFG_value4 DFG_COMMA const _DFG_T5& _DFG_value5 DFG_COMMA const _DFG_T6& _DFG_value6 DFG_COMMA const _DFG_T7& _DFG_value7 DFG_COMMA _DFG_T8& _DFG_value8, _DFG_value1 DFG_COMMA _DFG_value2 DFG_COMMA _DFG_value3 DFG_COMMA _DFG_value4 DFG_COMMA _DFG_value5 DFG_COMMA _DFG_value6 DFG_COMMA _DFG_value7 DFG_COMMA _DFG_value8)
  51. #endif // DFGVariadicFunction_h