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Diffstat (limited to 'boost/fusion/adapted/struct/detail/define_struct.hpp')
-rw-r--r-- | boost/fusion/adapted/struct/detail/define_struct.hpp | 353 |
1 files changed, 353 insertions, 0 deletions
diff --git a/boost/fusion/adapted/struct/detail/define_struct.hpp b/boost/fusion/adapted/struct/detail/define_struct.hpp new file mode 100644 index 0000000000..53f1e5d646 --- /dev/null +++ b/boost/fusion/adapted/struct/detail/define_struct.hpp @@ -0,0 +1,353 @@ +/*============================================================================= + Copyright (c) 2010-2011 Christopher Schmidt + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ + +#ifndef BOOST_FUSION_ADAPTED_DETAIL_STRUCT_DEFINE_STRUCT_HPP +#define BOOST_FUSION_ADAPTED_DETAIL_STRUCT_DEFINE_STRUCT_HPP + +#include <boost/config.hpp> +#include <boost/fusion/sequence/intrinsic/begin.hpp> +#include <boost/fusion/iterator/deref.hpp> +#include <boost/fusion/iterator/next.hpp> +#include <boost/fusion/iterator/advance.hpp> +#include <boost/fusion/adapted/struct/detail/adapt_base.hpp> +#include <boost/fusion/adapted/struct/detail/namespace.hpp> +#include <boost/preprocessor/inc.hpp> +#include <boost/preprocessor/if.hpp> +#include <boost/preprocessor/expr_if.hpp> +#include <boost/preprocessor/dec.hpp> +#include <boost/preprocessor/logical/not.hpp> +#include <boost/preprocessor/punctuation/comma_if.hpp> +#include <boost/preprocessor/comparison/equal.hpp> +#include <boost/preprocessor/seq/seq.hpp> +#include <boost/preprocessor/seq/for_each.hpp> +#include <boost/preprocessor/seq/for_each_i.hpp> +#include <boost/preprocessor/seq/enum.hpp> +#include <boost/preprocessor/seq/size.hpp> +#include <boost/preprocessor/tuple/elem.hpp> +#include <boost/preprocessor/tuple/eat.hpp> +#include <boost/call_traits.hpp> +#include <boost/type_traits/is_convertible.hpp> +#include <boost/utility/enable_if.hpp> + +#define BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR_FILLER_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)( \ + other_self.BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)) + +#define BOOST_FUSION_DEFINE_STRUCT_ASSIGN_FILLER_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I_, ATTRIBUTE) \ + \ + BOOST_PP_EXPR_IF( \ + I_, \ + typedef typename \ + boost::fusion::result_of::next< \ + BOOST_PP_CAT(I,BOOST_PP_DEC(I_)) \ + >::type \ + BOOST_PP_CAT(I,I_); \ + BOOST_PP_CAT(I,I_) BOOST_PP_CAT(i,I_)= \ + boost::fusion::next(BOOST_PP_CAT(i,BOOST_PP_DEC(I_))); \ + ) \ + \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)= \ + boost::fusion::deref(BOOST_PP_CAT(i,I_)); + +#define BOOST_FUSION_DEFINE_STRUCT_ASSIGN_OP( \ + ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + template<typename Seq> \ + self_type& \ + operator=(Seq const& seq) \ + { \ + typedef typename \ + boost::fusion::result_of::begin<Seq const>::type \ + I0; \ + I0 i0=boost::fusion::begin(seq); \ + \ + BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_ASSIGN_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + \ + return *this; \ + } + +#define BOOST_FUSION_DEFINE_STRUCT_ATTR_I(R, ATTRIBUTE_TUPEL_SIZE, ATTRIBUTE) \ + \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,0,ATTRIBUTE) \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE); + +#define BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_FILLER_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)( \ + boost::fusion::deref(boost::fusion::advance_c<I>(boost::fusion::begin( \ + seq)))) + +#define BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_DISABLER( \ + ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + , typename boost::disable_if< \ + boost::is_convertible< \ + Seq const& \ + , BOOST_PP_TUPLE_ELEM( \ + ATTRIBUTE_TUPEL_SIZE, \ + 0, \ + BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \ + > \ + >::type* =0 + +#define BOOST_FUSION_DEFINE_STRUCT_SEQ_DEFAULT_CTOR_FILLER_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)() + +#define BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_PP_SEQ_FOR_EACH_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_ATTR_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + \ + NAME() \ + : BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_SEQ_DEFAULT_CTOR_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + {} \ + \ + NAME(self_type const& other_self) \ + : BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_COPY_CTOR_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + {} \ + \ + template<typename Seq> \ + NAME(Seq const& seq \ + BOOST_PP_IF( \ + BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \ + BOOST_PP_TUPLE_EAT(2), \ + BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_DISABLER)( \ + ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + ) \ + : BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_SEQ_CTOR_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + {} \ + \ + BOOST_FUSION_DEFINE_STRUCT_ASSIGN_OP(ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_STRUCT_CTOR_1( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + explicit \ + NAME(boost::call_traits< \ + BOOST_PP_TUPLE_ELEM( \ + ATTRIBUTE_TUPEL_SIZE,0,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \ + >::param_type arg) \ + : BOOST_PP_TUPLE_ELEM( \ + ATTRIBUTE_TUPEL_SIZE,1,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ))(arg) \ + {} + +#define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_1( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + explicit \ + NAME(typename boost::call_traits< \ + typename boost::fusion::detail::get_first_arg< \ + BOOST_PP_TUPLE_ELEM( \ + ATTRIBUTE_TUPEL_SIZE, \ + 0, \ + BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ)) \ + , BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ) \ + >::type \ + >::param_type arg) \ + : BOOST_PP_TUPLE_ELEM( \ + ATTRIBUTE_TUPEL_SIZE,1,BOOST_PP_SEQ_HEAD(ATTRIBUTES_SEQ))(arg) \ + {} + +#define BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,1,ATTRIBUTE)(BOOST_PP_CAT(_,I)) + +#define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_ARG_I(R, DATA, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + typename boost::call_traits< \ + typename boost::fusion::detail::get_first_arg< \ + BOOST_PP_TUPLE_ELEM( \ + BOOST_PP_TUPLE_ELEM(3,0,DATA), \ + 0, \ + ATTRIBUTE) \ + , BOOST_PP_TUPLE_ELEM(3,2,DATA) \ + >::type \ + >::param_type BOOST_PP_CAT(_,I) + +#define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_N( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + NAME(BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_ARG_I, \ + ( \ + ATTRIBUTE_TUPEL_SIZE, \ + BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ), \ + BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ) \ + ), \ + ATTRIBUTES_SEQ)) \ + : BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + {} + +#define BOOST_FUSION_DEFINE_STRUCT_CTOR_ARG_I( \ + R, ATTRIBUTE_TUPEL_SIZE, I, ATTRIBUTE) \ + \ + BOOST_PP_COMMA_IF(I) \ + boost::call_traits< \ + BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPEL_SIZE,0,ATTRIBUTE) \ + >::param_type BOOST_PP_CAT(_,I) + +#define BOOST_FUSION_DEFINE_STRUCT_CTOR_N( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + NAME(BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_CTOR_ARG_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ)) \ + : BOOST_PP_SEQ_FOR_EACH_I_R( \ + 1, \ + BOOST_FUSION_DEFINE_STRUCT_CTOR_FILLER_I, \ + ATTRIBUTE_TUPEL_SIZE, \ + ATTRIBUTES_SEQ) \ + {} + +#define BOOST_FUSION_DEFINE_STRUCT_CTOR( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \ + BOOST_FUSION_DEFINE_STRUCT_CTOR_N, \ + BOOST_FUSION_DEFINE_STRUCT_CTOR_1)( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \ + BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_N, \ + BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR_1)( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_NONEMPTY_STRUCT_IMPL( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \ + NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_DEFINE_STRUCT_CTOR( \ + NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_EMPTY_STRUCT_IMPL( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + template<typename Seq> \ + NAME(Seq const&) \ + {} \ + \ + template<typename Seq> \ + self_type& \ + operator=(Seq const& seq) \ + { \ + return *this; \ + } + +#define BOOST_FUSION_DEFINE_STRUCT_IMPL( \ + NAMESPACE_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_BEGIN(NAMESPACE_SEQ) \ + \ + struct NAME \ + { \ + typedef NAME self_type; \ + \ + BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \ + BOOST_FUSION_DEFINE_NONEMPTY_STRUCT_IMPL, \ + BOOST_FUSION_DEFINE_EMPTY_STRUCT_IMPL)( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + }; \ + \ + BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_END(NAMESPACE_SEQ) + +#define BOOST_FUSION_DEFINE_NONEMPTY_TPL_STRUCT_IMPL( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_DEFINE_STRUCT_IMPL_IMPL( \ + NAME, BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_DEFINE_TPL_STRUCT_CTOR( \ + TEMPLATE_PARAMS_SEQ, \ + NAME, \ + BOOST_PP_SEQ_TAIL(ATTRIBUTES_SEQ), \ + ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_EMPTY_TPL_STRUCT_IMPL( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_DEFINE_EMPTY_STRUCT_IMPL( \ + NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE) + +#define BOOST_FUSION_DEFINE_TPL_STRUCT_IMPL( \ + TEMPLATE_PARAMS_SEQ, \ + NAMESPACE_SEQ, \ + NAME, \ + ATTRIBUTES_SEQ, \ + ATTRIBUTE_TUPEL_SIZE) \ + \ + BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_BEGIN(NAMESPACE_SEQ) \ + \ + template< \ + BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS_IMPL( \ + (0)TEMPLATE_PARAMS_SEQ) \ + > \ + struct NAME \ + { \ + typedef NAME self_type; \ + \ + BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(ATTRIBUTES_SEQ)), \ + BOOST_FUSION_DEFINE_NONEMPTY_TPL_STRUCT_IMPL, \ + BOOST_FUSION_DEFINE_EMPTY_TPL_STRUCT_IMPL)( \ + TEMPLATE_PARAMS_SEQ, NAME, ATTRIBUTES_SEQ, ATTRIBUTE_TUPEL_SIZE)\ + }; \ + \ + BOOST_FUSION_ADAPT_STRUCT_NAMESPACE_DEFINITION_END(NAMESPACE_SEQ) + +namespace boost { namespace fusion { namespace detail +{ + template<typename A1, typename A2> + struct get_first_arg + { + typedef A1 type; + }; +}}} + +#endif |