197 lines
5.3 KiB
C++
197 lines
5.3 KiB
C++
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// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
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// Copyright Aleksey Gurtovoy 2002-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// $Source$
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// $Date: 2011-10-09 15:28:33 -0700 (Sun, 09 Oct 2011) $
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// $Revision: 74865 $
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#include <boost/type_traits/detail/template_arity_spec.hpp>
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#include <boost/type_traits/integral_constant.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/mpl/aux_/lambda_support.hpp>
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#include <boost/config.hpp>
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//
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// Unfortunately some libraries have started using this header without
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// cleaning up afterwards: so we'd better undef the macros just in case
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// they've been defined already....
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//
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#ifdef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
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#undef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
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#undef BOOST_TT_AUX_BOOL_C_BASE
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#undef BOOST_TT_AUX_BOOL_TRAIT_DEF1
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#undef BOOST_TT_AUX_BOOL_TRAIT_DEF2
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#undef BOOST_TT_AUX_BOOL_TRAIT_SPEC1
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#undef BOOST_TT_AUX_BOOL_TRAIT_SPEC2
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#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1
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#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC2
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#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1
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#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2
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#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1
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#undef BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2
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#undef BOOST_TT_AUX_BOOL_TRAIT_IMPL_PARTIAL_SPEC2_1
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#undef BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1
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#endif
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#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x570)
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# define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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typedef ::boost::integral_constant<bool,C> type; \
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enum { value = type::value }; \
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/**/
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# define BOOST_TT_AUX_BOOL_C_BASE(C)
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#elif defined(BOOST_MSVC) && BOOST_MSVC < 1300
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# define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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typedef ::boost::integral_constant<bool,C> base_; \
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using base_::value; \
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/**/
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#endif
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#ifndef BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL
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# define BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) /**/
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#endif
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#ifndef BOOST_TT_AUX_BOOL_C_BASE
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# define BOOST_TT_AUX_BOOL_C_BASE(C) : public ::boost::integral_constant<bool,C>
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#endif
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#define BOOST_TT_AUX_BOOL_TRAIT_DEF1(trait,T,C) \
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template< typename T > struct trait \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT(1,trait,(T)) \
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}; \
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\
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BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(1,trait) \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_DEF2(trait,T1,T2,C) \
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template< typename T1, typename T2 > struct trait \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT(2,trait,(T1,T2)) \
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}; \
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\
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BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(2,trait) \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_DEF3(trait,T1,T2,T3,C) \
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template< typename T1, typename T2, typename T3 > struct trait \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT(3,trait,(T1,T2,T3)) \
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}; \
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\
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BOOST_TT_AUX_TEMPLATE_ARITY_SPEC(3,trait) \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,C) \
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template<> struct trait< sp > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(1,trait,(sp)) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_SPEC2(trait,sp1,sp2,C) \
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template<> struct trait< sp1,sp2 > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2,trait,(sp1,sp2)) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC1(trait,sp,C) \
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template<> struct trait##_impl< sp > \
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{ \
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public:\
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BOOST_STATIC_CONSTANT(bool, value = (C)); \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_IMPL_SPEC2(trait,sp1,sp2,C) \
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template<> struct trait##_impl< sp1,sp2 > \
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{ \
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public:\
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BOOST_STATIC_CONSTANT(bool, value = (C)); \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_1(param,trait,sp,C) \
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template< param > struct trait< sp > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(param1,param2,trait,sp,C) \
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template< param1, param2 > struct trait< sp > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(param,trait,sp1,sp2,C) \
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template< param > struct trait< sp1,sp2 > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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BOOST_MPL_AUX_LAMBDA_SUPPORT_SPEC(2,trait,(sp1,sp2)) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_2(param1,param2,trait,sp1,sp2,C) \
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template< param1, param2 > struct trait< sp1,sp2 > \
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BOOST_TT_AUX_BOOL_C_BASE(C) \
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{ \
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public:\
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BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(C) \
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}; \
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/**/
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#define BOOST_TT_AUX_BOOL_TRAIT_IMPL_PARTIAL_SPEC2_1(param,trait,sp1,sp2,C) \
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template< param > struct trait##_impl< sp1,sp2 > \
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{ \
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public:\
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BOOST_STATIC_CONSTANT(bool, value = (C)); \
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}; \
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/**/
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#ifndef BOOST_NO_CV_SPECIALIZATIONS
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# define BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(trait,sp,value) \
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,value) \
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp const,value) \
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp volatile,value) \
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp const volatile,value) \
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/**/
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#else
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# define BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(trait,sp,value) \
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BOOST_TT_AUX_BOOL_TRAIT_SPEC1(trait,sp,value) \
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/**/
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#endif
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