221 lines
8.8 KiB
Plaintext
221 lines
8.8 KiB
Plaintext
//---------------------------------------------------------------------------//
|
|
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
|
|
//
|
|
// 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
|
|
//
|
|
// See http://boostorg.github.com/compute for more information.
|
|
//---------------------------------------------------------------------------//
|
|
|
|
#ifndef BOOST_COMPUTE_TYPES_TUPLE_HPP
|
|
#define BOOST_COMPUTE_TYPES_TUPLE_HPP
|
|
|
|
#include <string>
|
|
#include <utility>
|
|
|
|
#include <boost/preprocessor/enum.hpp>
|
|
#include <boost/preprocessor/expr_if.hpp>
|
|
#include <boost/preprocessor/repetition.hpp>
|
|
#include <boost/tuple/tuple.hpp>
|
|
|
|
#include <boost/compute/config.hpp>
|
|
#include <boost/compute/functional/get.hpp>
|
|
#include <boost/compute/type_traits/type_name.hpp>
|
|
#include <boost/compute/detail/meta_kernel.hpp>
|
|
|
|
#ifndef BOOST_COMPUTE_NO_STD_TUPLE
|
|
#include <tuple>
|
|
#endif
|
|
|
|
namespace boost {
|
|
namespace compute {
|
|
namespace detail {
|
|
|
|
// meta_kernel operators for boost::tuple literals
|
|
#define BOOST_COMPUTE_PRINT_ELEM(z, n, unused) \
|
|
BOOST_PP_EXPR_IF(n, << ", ") \
|
|
<< kernel.make_lit(boost::get<n>(x))
|
|
|
|
#define BOOST_COMPUTE_PRINT_TUPLE(z, n, unused) \
|
|
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
|
|
inline meta_kernel& \
|
|
operator<<(meta_kernel &kernel, \
|
|
const boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> &x) \
|
|
{ \
|
|
return kernel \
|
|
<< "(" \
|
|
<< type_name<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> >() \
|
|
<< ")" \
|
|
<< "{" \
|
|
BOOST_PP_REPEAT(n, BOOST_COMPUTE_PRINT_ELEM, ~) \
|
|
<< "}"; \
|
|
}
|
|
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_PRINT_TUPLE, ~)
|
|
|
|
#undef BOOST_COMPUTE_PRINT_TUPLE
|
|
#undef BOOST_COMPUTE_PRINT_ELEM
|
|
|
|
// inject_type() specializations for boost::tuple
|
|
#define BOOST_COMPUTE_INJECT_TYPE(z, n, unused) \
|
|
kernel.inject_type<T ## n>();
|
|
|
|
#define BOOST_COMPUTE_INJECT_DECL(z, n, unused) \
|
|
<< " " << type_name<T ## n>() << " v" #n ";\n"
|
|
|
|
#define BOOST_COMPUTE_INJECT_IMPL(z, n, unused) \
|
|
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
|
|
struct inject_type_impl<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
|
|
{ \
|
|
void operator()(meta_kernel &kernel) \
|
|
{ \
|
|
typedef boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> tuple_type; \
|
|
BOOST_PP_REPEAT(n, BOOST_COMPUTE_INJECT_TYPE, ~) \
|
|
std::stringstream declaration; \
|
|
declaration << "typedef struct {\n" \
|
|
BOOST_PP_REPEAT(n, BOOST_COMPUTE_INJECT_DECL, ~) \
|
|
<< "} " << type_name<tuple_type>() << ";\n"; \
|
|
kernel.add_type_declaration<tuple_type>(declaration.str()); \
|
|
} \
|
|
};
|
|
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_INJECT_IMPL, ~)
|
|
|
|
#undef BOOST_COMPUTE_INJECT_IMPL
|
|
#undef BOOST_COMPUTE_INJECT_DECL
|
|
#undef BOOST_COMPUTE_INJECT_TYPE
|
|
|
|
#ifdef BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
|
|
// type_name() specializations for boost::tuple (without variadic templates)
|
|
#define BOOST_COMPUTE_PRINT_TYPE(z, n, unused) \
|
|
+ type_name<T ## n>() + "_"
|
|
|
|
#define BOOST_COMPUTE_PRINT_TYPE_NAME(z, n, unused) \
|
|
template<BOOST_PP_ENUM_PARAMS(n, class T)> \
|
|
struct type_name_trait<boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
|
|
{ \
|
|
static const char* value() \
|
|
{ \
|
|
static std::string name = \
|
|
std::string("boost_tuple_") \
|
|
BOOST_PP_REPEAT(n, BOOST_COMPUTE_PRINT_TYPE, ~) \
|
|
"t"; \
|
|
return name.c_str(); \
|
|
} \
|
|
};
|
|
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_PRINT_TYPE_NAME, ~)
|
|
|
|
#undef BOOST_COMPUTE_PRINT_TYPE_NAME
|
|
#undef BOOST_COMPUTE_PRINT_TYPE
|
|
|
|
#else
|
|
template<size_t N, class T, class... Rest>
|
|
struct write_tuple_type_names
|
|
{
|
|
void operator()(std::ostream &os)
|
|
{
|
|
os << type_name<T>() << "_";
|
|
write_tuple_type_names<N-1, Rest...>()(os);
|
|
}
|
|
};
|
|
|
|
template<class T, class... Rest>
|
|
struct write_tuple_type_names<1, T, Rest...>
|
|
{
|
|
void operator()(std::ostream &os)
|
|
{
|
|
os << type_name<T>();
|
|
}
|
|
};
|
|
|
|
// type_name<> specialization for boost::tuple<...> (with variadic templates)
|
|
template<class... T>
|
|
struct type_name_trait<boost::tuple<T...>>
|
|
{
|
|
static const char* value()
|
|
{
|
|
static std::string str = make_type_name();
|
|
|
|
return str.c_str();
|
|
}
|
|
|
|
static std::string make_type_name()
|
|
{
|
|
typedef typename boost::tuple<T...> tuple_type;
|
|
|
|
std::stringstream s;
|
|
s << "boost_tuple_";
|
|
write_tuple_type_names<
|
|
boost::tuples::length<tuple_type>::value, T...
|
|
>()(s);
|
|
s << "_t";
|
|
return s.str();
|
|
}
|
|
};
|
|
#endif // BOOST_COMPUTE_NO_VARIADIC_TEMPLATES
|
|
|
|
#ifndef BOOST_COMPUTE_NO_STD_TUPLE
|
|
// type_name<> specialization for std::tuple<T...>
|
|
template<class... T>
|
|
struct type_name_trait<std::tuple<T...>>
|
|
{
|
|
static const char* value()
|
|
{
|
|
static std::string str = make_type_name();
|
|
|
|
return str.c_str();
|
|
}
|
|
|
|
static std::string make_type_name()
|
|
{
|
|
typedef typename std::tuple<T...> tuple_type;
|
|
|
|
std::stringstream s;
|
|
s << "std_tuple_";
|
|
write_tuple_type_names<
|
|
std::tuple_size<tuple_type>::value, T...
|
|
>()(s);
|
|
s << "_t";
|
|
return s.str();
|
|
}
|
|
};
|
|
#endif // BOOST_COMPUTE_NO_STD_TUPLE
|
|
|
|
// get<N>() result type specialization for boost::tuple<>
|
|
#define BOOST_COMPUTE_GET_RESULT_TYPE(z, n, unused) \
|
|
template<size_t N, BOOST_PP_ENUM_PARAMS(n, class T)> \
|
|
struct get_result_type<N, boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > \
|
|
{ \
|
|
typedef typename boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> T; \
|
|
typedef typename boost::tuples::element<N, T>::type type; \
|
|
};
|
|
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_GET_RESULT_TYPE, ~)
|
|
|
|
#undef BOOST_COMPUTE_GET_RESULT_TYPE
|
|
|
|
|
|
// get<N>() specialization for boost::tuple<>
|
|
#define BOOST_COMPUTE_GET_N(z, n, unused) \
|
|
template<size_t N, class Arg, BOOST_PP_ENUM_PARAMS(n, class T)> \
|
|
inline meta_kernel& operator<<(meta_kernel &kernel, \
|
|
const invoked_get<N, Arg, boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> > &expr) \
|
|
{ \
|
|
typedef typename boost::tuple<BOOST_PP_ENUM_PARAMS(n, T)> T; \
|
|
BOOST_STATIC_ASSERT(N < size_t(boost::tuples::length<T>::value)); \
|
|
kernel.inject_type<T>(); \
|
|
return kernel << expr.m_arg << ".v" << uint_(N); \
|
|
}
|
|
|
|
BOOST_PP_REPEAT_FROM_TO(1, BOOST_COMPUTE_MAX_ARITY, BOOST_COMPUTE_GET_N, ~)
|
|
|
|
#undef BOOST_COMPUTE_GET_N
|
|
|
|
} // end detail namespace
|
|
} // end compute namespace
|
|
} // end boost namespace
|
|
|
|
#endif // BOOST_COMPUTE_TYPES_TUPLE_HPP
|