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 26#ifndef DFGVariadicFunction_h 27#define DFGVariadicFunction_h 28 29#define DFG_COMMA , 30 31// The signature of v is (templatePre, templatePost, typeParams, valueParams, valueArgs) 32// 33// You would use it like: 34// #define DEFINE_FUNCTION(templatePre, templatePost, typeParams, valueParamsComma, valueParams, valueArgs) 35// templatePre typeParams templatePost void f(valueParams) { g(valueArgs); } 36// DFG_VARIADIC_TEMPLATE_FUNCTION(DEFINE_FUNCTION) 37// #undef DEFINE_FUNCTION 38// 39// Or if you wanted the defined function to take an additional template arg, you would do: 40// #define DEFINE_FUNCTION(templatePre, templatePost, typeParams, valueParamsComma, valueParams, valueArgs) 41// template<typename T valueParamsComma typeParams> void f(T value valueParamsComma valueParams) { g(value, valueArgs); } 42// DFG_VARIADIC_TEMPLATE_FUNCTION(DEFINE_FUNCTION) 43// #undef DEFINE_FUNCTION 44 45#define DFG_VARIADIC_TEMPLATE_FUNCTION(v) \ 46 v(, , , , , ) \ 47 v(template<, >, typename _DFG_T1, DFG_COMMA, const _DFG_T1& _DFG_value1, _DFG_value1) \ 48 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) \ 49 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) \ 50 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) \ 51 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) \ 52 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) \ 53 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) \ 54 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) 55 56#endif // DFGVariadicFunction_h 57 58