projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // | |
| 3 | // (C) Copyright Ion Gaztanaga 2009-2013. | |
| 4 | // | |
| 5 | // Distributed under the Boost Software License, Version 1.0. | |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 8 | // | |
| 9 | // See http://www.boost.org/libs/intrusive for documentation. | |
| 10 | // | |
| 11 | ///////////////////////////////////////////////////////////////////////////// | |
| 12 | // This code was modified from the code posted by Alexandre Courpron in his | |
| 13 | // article "Interface Detection" in The Code Project: | |
| 14 | // http://www.codeproject.com/KB/architecture/Detector.aspx | |
| 15 | /////////////////////////////////////////////////////////////////////////////// | |
| 16 | // Copyright 2007 Alexandre Courpron | |
| 17 | // | |
| 18 | // Permission to use, copy, modify, redistribute and sell this software, | |
| 19 | // provided that this copyright notice appears on all copies of the software. | |
| 20 | /////////////////////////////////////////////////////////////////////////////// | |
| 21 | ||
| 22 | #ifndef BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP | |
| 23 | #define BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP | |
| 24 | ||
| 25 | #ifndef BOOST_CONFIG_HPP | |
| 26 | # include <boost/config.hpp> | |
| 27 | #endif | |
| 28 | ||
| 29 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
| 30 | # pragma once | |
| 31 | #endif | |
| 32 | ||
| 33 | namespace boost { | |
| 34 | namespace intrusive { | |
| 35 | namespace function_detector { | |
| 36 | ||
| 37 | typedef char NotFoundType; | |
| 38 | struct StaticFunctionType { NotFoundType x [2]; }; | |
| 39 | struct NonStaticFunctionType { NotFoundType x [3]; }; | |
| 40 | ||
| 41 | enum | |
| 42 | { NotFound = 0, | |
| 43 | StaticFunction = sizeof( StaticFunctionType ) - sizeof( NotFoundType ), | |
| 44 | NonStaticFunction = sizeof( NonStaticFunctionType ) - sizeof( NotFoundType ) | |
| 45 | }; | |
| 46 | ||
| 47 | } //namespace boost { | |
| 48 | } //namespace intrusive { | |
| 49 | } //namespace function_detector { | |
| 50 | ||
| 51 | #define BOOST_INTRUSIVE_CREATE_FUNCTION_DETECTOR(Identifier, InstantiationKey) \ | |
| 52 | namespace boost { \ | |
| 53 | namespace intrusive { \ | |
| 54 | namespace function_detector { \ | |
| 55 | template < class T, \ | |
| 56 | class NonStaticType, \ | |
| 57 | class NonStaticConstType, \ | |
| 58 | class StaticType > \ | |
| 59 | class DetectMember_##InstantiationKey_##Identifier { \ | |
| 60 | template < NonStaticType > \ | |
| 61 | struct TestNonStaticNonConst ; \ | |
| 62 | \ | |
| 63 | template < NonStaticConstType > \ | |
| 64 | struct TestNonStaticConst ; \ | |
| 65 | \ | |
| 66 | template < StaticType > \ | |
| 67 | struct TestStatic ; \ | |
| 68 | \ | |
| 69 | template <class U > \ | |
| 70 | static NonStaticFunctionType Test( TestNonStaticNonConst<&U::Identifier>*, int ); \ | |
| 71 | \ | |
| 72 | template <class U > \ | |
| 73 | static NonStaticFunctionType Test( TestNonStaticConst<&U::Identifier>*, int ); \ | |
| 74 | \ | |
| 75 | template <class U> \ | |
| 76 | static StaticFunctionType Test( TestStatic<&U::Identifier>*, int ); \ | |
| 77 | \ | |
| 78 | template <class U> \ | |
| 79 | static NotFoundType Test( ... ); \ | |
| 80 | public : \ | |
| 81 | static const int check = NotFound + (sizeof(Test<T>(0, 0)) - sizeof(NotFoundType));\ | |
| 82 | };\ | |
| 83 | }}} //namespace boost::intrusive::function_detector { | |
| 84 | ||
| 85 | #define BOOST_INTRUSIVE_DETECT_FUNCTION(Class, InstantiationKey, ReturnType, Identifier, Params) \ | |
| 86 | ::boost::intrusive::function_detector::DetectMember_##InstantiationKey_##Identifier< Class,\ | |
| 87 | ReturnType (Class::*)Params,\ | |
| 88 | ReturnType (Class::*)Params const,\ | |
| 89 | ReturnType (*)Params \ | |
| 90 | >::check | |
| 91 | ||
| 92 | #endif //@ifndef BOOST_INTRUSIVE_DETAIL_FUNCTION_DETECTOR_HPP |