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Diffstat (limited to '3rdParty/Boost/boost/typeof/template_encoding.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/typeof/template_encoding.hpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/typeof/template_encoding.hpp b/3rdParty/Boost/boost/typeof/template_encoding.hpp new file mode 100644 index 0000000..bae7e89 --- /dev/null +++ b/3rdParty/Boost/boost/typeof/template_encoding.hpp @@ -0,0 +1,160 @@ +// Copyright (C) 2004 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_TEMPLATE_ENCODING_HPP_INCLUDED +#define BOOST_TYPEOF_TEMPLATE_ENCODING_HPP_INCLUDED + +#include <boost/preprocessor/cat.hpp> +#include <boost/preprocessor/repetition/enum_trailing.hpp> +#include <boost/preprocessor/control/iif.hpp> +#include <boost/preprocessor/detail/is_unary.hpp> +#include <boost/preprocessor/repetition/repeat.hpp> +#include <boost/preprocessor/tuple/eat.hpp> +#include <boost/preprocessor/seq/transform.hpp> +#include <boost/preprocessor/seq/for_each_i.hpp> +#include <boost/preprocessor/seq/cat.hpp> + +#include <boost/typeof/encode_decode.hpp> +#include <boost/typeof/int_encoding.hpp> + +#include <boost/typeof/type_template_param.hpp> +#include <boost/typeof/integral_template_param.hpp> +#include <boost/typeof/template_template_param.hpp> + +#ifdef __BORLANDC__ +#define BOOST_TYPEOF_QUALIFY(P) self_t::P +#else +#define BOOST_TYPEOF_QUALIFY(P) P +#endif +// The template parameter description, entered by the user, +// is converted into a polymorphic "object" +// that is used to generate the code responsible for +// encoding/decoding the parameter, etc. + +// make sure to cat the sequence first, and only then add the prefix. +#define BOOST_TYPEOF_MAKE_OBJ(elem) BOOST_PP_CAT(\ + BOOST_TYPEOF_MAKE_OBJ,\ + BOOST_PP_SEQ_CAT((_) BOOST_TYPEOF_TO_SEQ(elem))\ + ) + +#define BOOST_TYPEOF_TO_SEQ(tokens) BOOST_TYPEOF_ ## tokens ## _BOOST_TYPEOF + +// BOOST_TYPEOF_REGISTER_TEMPLATE + +#define BOOST_TYPEOF_REGISTER_TEMPLATE_EXPLICIT_ID(Name, Params, Id)\ + BOOST_TYPEOF_REGISTER_TEMPLATE_IMPL(\ + Name,\ + BOOST_TYPEOF_MAKE_OBJS(BOOST_TYPEOF_TOSEQ(Params)),\ + BOOST_PP_SEQ_SIZE(BOOST_TYPEOF_TOSEQ(Params)),\ + Id) + +#define BOOST_TYPEOF_REGISTER_TEMPLATE(Name, Params)\ + BOOST_TYPEOF_REGISTER_TEMPLATE_EXPLICIT_ID(Name, Params, BOOST_TYPEOF_UNIQUE_ID()) + +#define BOOST_TYPEOF_OBJECT_MAKER(s, data, elem)\ + BOOST_TYPEOF_MAKE_OBJ(elem) + +#define BOOST_TYPEOF_MAKE_OBJS(Params)\ + BOOST_PP_SEQ_TRANSFORM(BOOST_TYPEOF_OBJECT_MAKER, ~, Params) + +// As suggested by Paul Mensonides: + +#define BOOST_TYPEOF_TOSEQ(x)\ + BOOST_PP_IIF(\ + BOOST_PP_IS_UNARY(x),\ + x BOOST_PP_TUPLE_EAT(3), BOOST_PP_REPEAT\ + )(x, BOOST_TYPEOF_TOSEQ_2, ~) + +#define BOOST_TYPEOF_TOSEQ_2(z, n, _) (class) + +// BOOST_TYPEOF_VIRTUAL + +#define BOOST_TYPEOF_CAT_4(a, b, c, d) BOOST_TYPEOF_CAT_4_I(a, b, c, d) +#define BOOST_TYPEOF_CAT_4_I(a, b, c, d) a ## b ## c ## d + +#define BOOST_TYPEOF_VIRTUAL(Fun, Obj)\ + BOOST_TYPEOF_CAT_4(BOOST_TYPEOF_, BOOST_PP_SEQ_HEAD(Obj), _, Fun) + +// BOOST_TYPEOF_SEQ_ENUM[_TRAILING][_1] +// Two versions provided due to reentrancy issue + +#define BOOST_TYPEOF_SEQ_EXPAND_ELEMENT(z,n,seq)\ + BOOST_PP_SEQ_ELEM(0,seq) (z,n,BOOST_PP_SEQ_ELEM(n,BOOST_PP_SEQ_ELEM(1,seq))) + +#define BOOST_TYPEOF_SEQ_ENUM(seq,macro)\ + BOOST_PP_ENUM(BOOST_PP_SEQ_SIZE(seq),BOOST_TYPEOF_SEQ_EXPAND_ELEMENT,(macro)(seq)) + +#define BOOST_TYPEOF_SEQ_ENUM_TRAILING(seq,macro)\ + BOOST_PP_ENUM_TRAILING(BOOST_PP_SEQ_SIZE(seq),BOOST_TYPEOF_SEQ_EXPAND_ELEMENT,(macro)(seq)) + +#define BOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1(z,n,seq)\ + BOOST_PP_SEQ_ELEM(0,seq) (z,n,BOOST_PP_SEQ_ELEM(n,BOOST_PP_SEQ_ELEM(1,seq))) + +#define BOOST_TYPEOF_SEQ_ENUM_1(seq,macro)\ + BOOST_PP_ENUM(BOOST_PP_SEQ_SIZE(seq),BOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1,(macro)(seq)) + +#define BOOST_TYPEOF_SEQ_ENUM_TRAILING_1(seq,macro)\ + BOOST_PP_ENUM_TRAILING(BOOST_PP_SEQ_SIZE(seq),BOOST_TYPEOF_SEQ_EXPAND_ELEMENT_1,(macro)(seq)) + +// + +#define BOOST_TYPEOF_PLACEHOLDER(z, n, elem)\ + BOOST_TYPEOF_VIRTUAL(PLACEHOLDER, elem)(elem) + +#define BOOST_TYPEOF_PLACEHOLDER_TYPES(z, n, elem)\ + BOOST_TYPEOF_VIRTUAL(PLACEHOLDER_TYPES, elem)(elem, n) + +#define BOOST_TYPEOF_REGISTER_TEMPLATE_ENCODE_PARAM(r, data, n, elem)\ + BOOST_TYPEOF_VIRTUAL(ENCODE, elem)(elem, n) + +#define BOOST_TYPEOF_REGISTER_TEMPLATE_DECODE_PARAM(r, data, n, elem)\ + BOOST_TYPEOF_VIRTUAL(DECODE, elem)(elem, n) + +#define BOOST_TYPEOF_REGISTER_TEMPLATE_PARAM_PAIR(z, n, elem) \ + BOOST_TYPEOF_VIRTUAL(EXPANDTYPE, elem)(elem) BOOST_PP_CAT(P, n) + +#define BOOST_TYPEOF_REGISTER_DEFAULT_TEMPLATE_TYPE(Name,Params,ID)\ + Name< BOOST_PP_ENUM_PARAMS(BOOST_PP_SEQ_SIZE(Params), P) > + +//Since we are creating an internal decode struct, we need to use different template names, T instead of P. +#define BOOST_TYPEOF_REGISTER_DECODER_TYPE_PARAM_PAIR(z,n,elem) \ + BOOST_TYPEOF_VIRTUAL(EXPANDTYPE, elem)(elem) BOOST_PP_CAT(T, n) + +//Default template param decoding + +#define BOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TYPE(Name,Params)\ + typedef Name<BOOST_PP_ENUM_PARAMS(BOOST_PP_SEQ_SIZE(Params),BOOST_TYPEOF_QUALIFY(P))> type; + +//Branch the decoding +#define BOOST_TYPEOF_TYPEDEF_DECODED_TYPE(Name,Params)\ + BOOST_PP_IF(BOOST_TYPEOF_HAS_TEMPLATES(Params),\ + BOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TEMPLATE_TYPE,\ + BOOST_TYPEOF_TYPEDEF_DECODED_TEMPLATE_TYPE)(Name,Params) + +#define BOOST_TYPEOF_REGISTER_TEMPLATE_IMPL(Name, Params, Size, ID)\ + BOOST_TYPEOF_BEGIN_ENCODE_NS\ + BOOST_TYPEOF_REGISTER_TEMPLATE_TEMPLATE_IMPL(Name, Params, ID)\ + template<class V\ + BOOST_TYPEOF_SEQ_ENUM_TRAILING(Params, BOOST_TYPEOF_REGISTER_TEMPLATE_PARAM_PAIR)\ + >\ + struct encode_type_impl<V, Name<BOOST_PP_ENUM_PARAMS(Size, P)> >\ + {\ + typedef typename boost::type_of::push_back<V, boost::mpl::size_t<ID> >::type V0;\ + BOOST_PP_SEQ_FOR_EACH_I(BOOST_TYPEOF_REGISTER_TEMPLATE_ENCODE_PARAM, ~, Params)\ + typedef BOOST_PP_CAT(V, Size) type;\ + };\ + template<class Iter>\ + struct decode_type_impl<boost::mpl::size_t<ID>, Iter>\ + {\ + typedef decode_type_impl<boost::mpl::size_t<ID>, Iter> self_t;\ + typedef boost::mpl::size_t<ID> self_id;\ + typedef Iter iter0;\ + BOOST_PP_SEQ_FOR_EACH_I(BOOST_TYPEOF_REGISTER_TEMPLATE_DECODE_PARAM, ~, Params)\ + BOOST_TYPEOF_TYPEDEF_DECODED_TYPE(Name, Params)\ + typedef BOOST_PP_CAT(iter, Size) iter;\ + };\ + BOOST_TYPEOF_END_ENCODE_NS + +#endif//BOOST_TYPEOF_TEMPLATE_ENCODING_HPP_INCLUDED |