X-Git-Url: https://git.donarmstrong.com/?p=rsem.git;a=blobdiff_plain;f=boost%2Ftypeof%2Ftypeof_impl.hpp;fp=boost%2Ftypeof%2Ftypeof_impl.hpp;h=d627b8505e1b9eeed2965a7b009f7571b7ec9a00;hp=0000000000000000000000000000000000000000;hb=2d71eb92104693ca9baa5a2e1c23eeca776d8fd3;hpb=da57529b92adbb7ae74a89861cb39fb35ac7c62d diff --git a/boost/typeof/typeof_impl.hpp b/boost/typeof/typeof_impl.hpp new file mode 100644 index 0000000..d627b85 --- /dev/null +++ b/boost/typeof/typeof_impl.hpp @@ -0,0 +1,186 @@ +// Copyright (C) 2004, 2005 Arkadiy Vertleyb +// Copyright (C) 2005 Peder Holt +// 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_TYPEOF_TYPEOF_IMPL_HPP_INCLUDED +#define BOOST_TYPEOF_TYPEOF_IMPL_HPP_INCLUDED + +#include +#include +#include +#include +#include +#include + +#define BOOST_TYPEOF_VECTOR(n) BOOST_PP_CAT(boost::type_of::vector, n) + +#define BOOST_TYPEOF_sizer_item(z, n, _)\ + char item ## n[V::item ## n ::value]; + +namespace boost { namespace type_of { + template + struct sizer + { + // char item0[V::item0::value]; + // char item1[V::item1::value]; + // ... + + BOOST_PP_REPEAT(BOOST_TYPEOF_LIMIT_SIZE, BOOST_TYPEOF_sizer_item, ~) + }; +}} + +#undef BOOST_TYPEOF_sizer_item + +// +namespace boost { namespace type_of { +# ifdef BOOST_NO_SFINAE + template + sizer::type> encode(const T&); +# else + template + typename enable_if< + typename is_function::type, + sizer::type> >::type encode(T&); + + template + typename disable_if< + typename is_function::type, + sizer::type> >::type encode(const T&); +# endif +}} +// +namespace boost { namespace type_of { + + template + struct decode_begin + { + typedef typename decode_type::type type; + }; +}} + +#define BOOST_TYPEOF_TYPEITEM(z, n, expr)\ + boost::mpl::size_t >(expr).item ## n)> + +#define BOOST_TYPEOF_ENCODED_VECTOR(Expr) \ + BOOST_TYPEOF_VECTOR(BOOST_TYPEOF_LIMIT_SIZE)< \ + BOOST_PP_ENUM(BOOST_TYPEOF_LIMIT_SIZE, BOOST_TYPEOF_TYPEITEM, Expr) \ + > + +#define BOOST_TYPEOF(Expr)\ + boost::type_of::decode_begin::type + +#define BOOST_TYPEOF_TPL typename BOOST_TYPEOF + +//offset_vector is used to delay the insertion of data into the vector in order to allow +//encoding to be done in many steps +namespace boost { namespace type_of { + template + struct offset_vector { + }; + + template + struct push_back,T> { + typedef offset_vector type; + }; + + template + struct push_back >,T> { + typedef typename push_back::type type; + }; +}} + +#define BOOST_TYPEOF_NESTED_TYPEITEM(z, n, expr)\ + BOOST_STATIC_CONSTANT(int,BOOST_PP_CAT(value,n) = sizeof(boost::type_of::encode<_typeof_start_vector>(expr).item ## n));\ + typedef boost::mpl::size_t BOOST_PP_CAT(item,n); + +#ifdef __DMC__ +#define BOOST_TYPEOF_NESTED_TYPEITEM_2(z,n,expr)\ + typedef typename _typeof_encode_fraction::BOOST_PP_CAT(item,n) BOOST_PP_CAT(item,n); + +#define BOOST_TYPEOF_FRACTIONTYPE()\ + BOOST_PP_REPEAT(BOOST_TYPEOF_LIMIT_SIZE,BOOST_TYPEOF_NESTED_TYPEITEM_2,_)\ + typedef _typeof_fraction_iter fraction_type; +#else +#define BOOST_TYPEOF_FRACTIONTYPE()\ + typedef _typeof_encode_fraction fraction_type; +#endif + +#ifdef __BORLANDC__ +namespace boost { namespace type_of { + template + struct generic_typeof_fraction_iter { + typedef generic_typeof_fraction_iter self_t; + static const int pos=(Pos::value); + static const int iteration=(pos/5); + static const int where=pos%5; + typedef typename Iter::template _apply_next::type fraction_type; + typedef generic_typeof_fraction_iter next; + typedef typename v_iter >::type type; + }; +}} +#define BOOST_TYPEOF_NESTED_TYPEDEF_IMPL(expr) \ + template\ + struct _typeof_encode_fraction {\ + typedef _typeof_encode_fraction<_Typeof_Iteration> self_t;\ + BOOST_STATIC_CONSTANT(int,_typeof_encode_offset = (_Typeof_Iteration*BOOST_TYPEOF_LIMIT_SIZE));\ + typedef boost::type_of::offset_vector,boost::mpl::size_t > _typeof_start_vector;\ + BOOST_PP_REPEAT(BOOST_TYPEOF_LIMIT_SIZE,BOOST_TYPEOF_NESTED_TYPEITEM,expr)\ + template\ + struct _apply_next {\ + typedef _typeof_encode_fraction type;\ + };\ + };\ + template\ + struct _typeof_fraction_iter {\ + typedef boost::type_of::generic_typeof_fraction_iter > self_t;\ + typedef typename self_t::next next;\ + typedef typename self_t::type type;\ + }; +#else +#define BOOST_TYPEOF_NESTED_TYPEDEF_IMPL(expr) \ + template\ + struct _typeof_encode_fraction {\ + typedef _typeof_encode_fraction<_Typeof_Iteration> self_t;\ + BOOST_STATIC_CONSTANT(int,_typeof_encode_offset = (_Typeof_Iteration*BOOST_TYPEOF_LIMIT_SIZE));\ + typedef boost::type_of::offset_vector,boost::mpl::size_t > _typeof_start_vector;\ + BOOST_PP_REPEAT(BOOST_TYPEOF_LIMIT_SIZE,BOOST_TYPEOF_NESTED_TYPEITEM,expr)\ + };\ + template\ + struct _typeof_fraction_iter {\ + typedef _typeof_fraction_iter self_t;\ + BOOST_STATIC_CONSTANT(int,pos=(Pos::value));\ + BOOST_STATIC_CONSTANT(int,iteration=(pos/BOOST_TYPEOF_LIMIT_SIZE));\ + BOOST_STATIC_CONSTANT(int,where=pos%BOOST_TYPEOF_LIMIT_SIZE);\ + BOOST_TYPEOF_FRACTIONTYPE()\ + typedef typename boost::type_of::v_iter >::type type;\ + typedef _typeof_fraction_iter next;\ + }; +#endif +#ifdef __MWERKS__ + +# define BOOST_TYPEOF_NESTED_TYPEDEF(name,expr) \ +template\ +struct BOOST_PP_CAT(_typeof_template_,name) {\ + BOOST_TYPEOF_NESTED_TYPEDEF_IMPL(expr)\ + typedef typename boost::type_of::decode_type<_typeof_fraction_iter > >::type type;\ +};\ +typedef BOOST_PP_CAT(_typeof_template_,name) name; + +# define BOOST_TYPEOF_NESTED_TYPEDEF_TPL(name,expr) BOOST_TYPEOF_NESTED_TYPEDEF(name,expr) + +#else +# define BOOST_TYPEOF_NESTED_TYPEDEF_TPL(name,expr) \ + struct name {\ + BOOST_TYPEOF_NESTED_TYPEDEF_IMPL(expr)\ + typedef typename boost::type_of::decode_type<_typeof_fraction_iter > >::type type;\ + }; + +# define BOOST_TYPEOF_NESTED_TYPEDEF(name,expr) \ + struct name {\ + BOOST_TYPEOF_NESTED_TYPEDEF_IMPL(expr)\ + typedef boost::type_of::decode_type<_typeof_fraction_iter > >::type type;\ + }; +#endif + +#endif//BOOST_TYPEOF_COMPLIANT_TYPEOF_IMPL_HPP_INCLUDED