[857] | 1 |
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| 2 | // NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
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| 3 |
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| 4 | // Copyright Aleksey Gurtovoy 2002-2004
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| 5 | //
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| 6 | // Distributed under the Boost Software License, Version 1.0.
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| 7 | // (See accompanying file LICENSE_1_0.txt or copy at
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| 8 | // http://www.boost.org/LICENSE_1_0.txt)
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| 9 |
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| 10 | // $Source: /cvsroot/boost/boost/boost/type_traits/detail/bool_trait_def.hpp,v $
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| 11 | // $Date: 2005/03/16 12:22:22 $
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| 12 | // $Revision: 1.18 $
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| 13 |
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| 14 | #include <boost/type_traits/detail/template_arity_spec.hpp>
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| 15 | #include <boost/type_traits/integral_constant.hpp>
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| 16 | #include <boost/mpl/bool.hpp>
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| 17 | #include <boost/mpl/aux_/lambda_support.hpp>
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| 18 | #include <boost/config.hpp>
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| 19 |
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| 20 | #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x570)
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| 21 | # define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 22 | typedef ::boost::integral_constant<bool,C> type; \
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| 23 | enum { value = type::value }; \
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| 24 | /**/
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| 25 | # define BOOST_TT_AUX_BOOL_C_BASE(C)
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| 26 |
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| 27 | #elif defined(BOOST_MSVC) && BOOST_MSVC <= 1200
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| 28 |
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| 29 | # define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 30 | typedef ::boost::integral_constant<bool,C> base_; \
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| 31 | using base_::value; \
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| 32 | /**/
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| 33 |
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| 34 | #endif
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| 35 |
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| 36 | #ifndef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
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| 37 | # define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) /**/
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| 38 | #endif
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| 39 |
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| 40 | #ifndef BOOST_TT_AUX_BOOL_C_BASE
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| 41 | # define BOOST_TT_AUX_BOOL_C_BASE(C) : ::boost::integral_constant<bool,C>
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| 42 | #endif
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| 43 |
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| 44 |
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| 45 | #define BOOST_TT_AUX_BOOL_TRAIT_DEF1(trait,T,C) \
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| 46 | template< typename T > struct trait \
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| 47 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 48 | { \
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| 49 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 50 | BOOST_MPL_AUX_LAMBDA_SUPPORT(1,trait,(T)) \
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| 51 | }; \
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| 52 | \
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| 53 | BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(1,trait) \
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| 54 | /**/
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| 55 |
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| 56 |
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| 57 | #define BOOST_TT_AUX_BOOL_TRAIT_DEF2(trait,T1,T2,C) \
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| 58 | template< typename T1, typename T2 > struct trait \
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| 59 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 60 | { \
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| 61 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 62 | BOOST_MPL_AUX_LAMBDA_SUPPORT(2,trait,(T1,T2)) \
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| 63 | }; \
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| 64 | \
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| 65 | BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(2,trait) \
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| 66 | /**/
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| 67 |
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| 68 | #define BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,C) \
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| 69 | template<> struct trait< sp > \
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| 70 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 71 | { \
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| 72 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 73 | BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(1,trait,(sp)) \
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| 74 | }; \
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| 75 | /**/
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| 76 |
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| 77 | #define BOOST_TT_AUX_BOOL_TRAIT_SPEC2(trait,sp1,sp2,C) \
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| 78 | template<> struct trait< sp1,sp2 > \
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| 79 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 80 | { \
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| 81 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 82 | BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2,trait,(sp1,sp2)) \
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| 83 | }; \
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| 84 | /**/
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| 85 |
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| 86 | #define BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(trait,sp,C) \
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| 87 | template<> struct trait##_impl< sp > \
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| 88 | { \
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| 89 | BOOST_STATIC_CONSTANT(bool, value = (C)); \
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| 90 | }; \
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| 91 | /**/
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| 92 |
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| 93 | #define BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC2(trait,sp1,sp2,C) \
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| 94 | template<> struct trait##_impl< sp1,sp2 > \
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| 95 | { \
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| 96 | BOOST_STATIC_CONSTANT(bool, value = (C)); \
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| 97 | }; \
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| 98 | /**/
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| 99 |
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| 100 | #define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(param,trait,sp,C) \
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| 101 | template< param > struct trait< sp > \
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| 102 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 103 | { \
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| 104 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 105 | }; \
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| 106 | /**/
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| 107 |
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| 108 | #define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(param1,param2,trait,sp,C) \
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| 109 | template< param1, param2 > struct trait< sp > \
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| 110 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 111 | { \
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| 112 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 113 | }; \
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| 114 | /**/
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| 115 |
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| 116 | #define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(param,trait,sp1,sp2,C) \
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| 117 | template< param > struct trait< sp1,sp2 > \
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| 118 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 119 | { \
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| 120 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 121 | BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2,trait,(sp1,sp2)) \
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| 122 | }; \
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| 123 | /**/
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| 124 |
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| 125 | #define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(param1,param2,trait,sp1,sp2,C) \
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| 126 | template< param1, param2 > struct trait< sp1,sp2 > \
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| 127 | BOOST_TT_AUX_BOOL_C_BASE(C) \
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| 128 | { \
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| 129 | BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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| 130 | }; \
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| 131 | /**/
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| 132 |
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| 133 | #define BOOST_TT_AUX_BOOL_TRAIT_IMPL_PARTIAL_SPEC2_1(param,trait,sp1,sp2,C) \
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| 134 | template< param > struct trait##_impl< sp1,sp2 > \
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| 135 | { \
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| 136 | BOOST_STATIC_CONSTANT(bool, value = (C)); \
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| 137 | }; \
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| 138 | /**/
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| 139 |
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| 140 | #ifndef BOOST_NO_CV_SPECIALIZATIONS
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| 141 | # define BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(trait,sp,value) \
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| 142 | BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,value) \
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| 143 | BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp const,value) \
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| 144 | BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp volatile,value) \
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| 145 | BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp const volatile,value) \
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| 146 | /**/
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| 147 | #else
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| 148 | # define BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(trait,sp,value) \
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| 149 | BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,value) \
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| 150 | /**/
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| 151 | #endif
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