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concurrentqueue/benchmarks/tbb/compat/tuple

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/*
Copyright 2005-2014 Intel Corporation. All Rights Reserved.
This file is part of Threading Building Blocks. Threading Building Blocks is free software;
you can redistribute it and/or modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation. Threading Building Blocks is
distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details. You should have received a copy of
the GNU General Public License along with Threading Building Blocks; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
As a special exception, you may use this file as part of a free software library without
restriction. Specifically, if other files instantiate templates or use macros or inline
functions from this file, or you compile this file and link it with other files to produce
an executable, this file does not by itself cause the resulting executable to be covered
by the GNU General Public License. This exception does not however invalidate any other
reasons why the executable file might be covered by the GNU General Public License.
*/
#ifndef __TBB_tuple_H
#define __TBB_tuple_H
#include <utility>
#include "../tbb_stddef.h"
// build preprocessor variables for varying number of arguments
// Need the leading comma so the empty __TBB_T_PACK will not cause a syntax error.
#if __TBB_VARIADIC_MAX <= 5
#define __TBB_T_PACK
#define __TBB_U_PACK
#define __TBB_TYPENAME_T_PACK
#define __TBB_TYPENAME_U_PACK
#define __TBB_NULL_TYPE_PACK
#define __TBB_REF_T_PARAM_PACK
#define __TBB_CONST_REF_T_PARAM_PACK
#define __TBB_T_PARAM_LIST_PACK
#define __TBB_CONST_NULL_REF_PACK
//
#elif __TBB_VARIADIC_MAX == 6
#define __TBB_T_PACK ,__T5
#define __TBB_U_PACK ,__U5
#define __TBB_TYPENAME_T_PACK , typename __T5
#define __TBB_TYPENAME_U_PACK , typename __U5
#define __TBB_NULL_TYPE_PACK , null_type
#define __TBB_REF_T_PARAM_PACK ,__T5& t5
#define __TBB_CONST_REF_T_PARAM_PACK ,const __T5& t5
#define __TBB_T_PARAM_LIST_PACK ,t5
#define __TBB_CONST_NULL_REF_PACK , const null_type&
//
#elif __TBB_VARIADIC_MAX == 7
#define __TBB_T_PACK ,__T5, __T6
#define __TBB_U_PACK ,__U5, __U6
#define __TBB_TYPENAME_T_PACK , typename __T5 , typename __T6
#define __TBB_TYPENAME_U_PACK , typename __U5 , typename __U6
#define __TBB_NULL_TYPE_PACK , null_type, null_type
#define __TBB_REF_T_PARAM_PACK ,__T5& t5, __T6& t6
#define __TBB_CONST_REF_T_PARAM_PACK ,const __T5& t5, const __T6& t6
#define __TBB_T_PARAM_LIST_PACK ,t5 ,t6
#define __TBB_CONST_NULL_REF_PACK , const null_type&, const null_type&
//
#elif __TBB_VARIADIC_MAX == 8
#define __TBB_T_PACK ,__T5, __T6, __T7
#define __TBB_U_PACK ,__U5, __U6, __U7
#define __TBB_TYPENAME_T_PACK , typename __T5 , typename __T6, typename __T7
#define __TBB_TYPENAME_U_PACK , typename __U5 , typename __U6, typename __U7
#define __TBB_NULL_TYPE_PACK , null_type, null_type, null_type
#define __TBB_REF_T_PARAM_PACK ,__T5& t5, __T6& t6, __T7& t7
#define __TBB_CONST_REF_T_PARAM_PACK , const __T5& t5, const __T6& t6, const __T7& t7
#define __TBB_T_PARAM_LIST_PACK ,t5 ,t6 ,t7
#define __TBB_CONST_NULL_REF_PACK , const null_type&, const null_type&, const null_type&
//
#elif __TBB_VARIADIC_MAX == 9
#define __TBB_T_PACK ,__T5, __T6, __T7, __T8
#define __TBB_U_PACK ,__U5, __U6, __U7, __U8
#define __TBB_TYPENAME_T_PACK , typename __T5, typename __T6, typename __T7, typename __T8
#define __TBB_TYPENAME_U_PACK , typename __U5, typename __U6, typename __U7, typename __U8
#define __TBB_NULL_TYPE_PACK , null_type, null_type, null_type, null_type
#define __TBB_REF_T_PARAM_PACK ,__T5& t5, __T6& t6, __T7& t7, __T8& t8
#define __TBB_CONST_REF_T_PARAM_PACK , const __T5& t5, const __T6& t6, const __T7& t7, const __T8& t8
#define __TBB_T_PARAM_LIST_PACK ,t5 ,t6 ,t7 ,t8
#define __TBB_CONST_NULL_REF_PACK , const null_type&, const null_type&, const null_type&, const null_type&
//
#elif __TBB_VARIADIC_MAX >= 10
#define __TBB_T_PACK ,__T5, __T6, __T7, __T8, __T9
#define __TBB_U_PACK ,__U5, __U6, __U7, __U8, __U9
#define __TBB_TYPENAME_T_PACK , typename __T5, typename __T6, typename __T7, typename __T8, typename __T9
#define __TBB_TYPENAME_U_PACK , typename __U5, typename __U6, typename __U7, typename __U8, typename __U9
#define __TBB_NULL_TYPE_PACK , null_type, null_type, null_type, null_type, null_type
#define __TBB_REF_T_PARAM_PACK ,__T5& t5, __T6& t6, __T7& t7, __T8& t8, __T9& t9
#define __TBB_CONST_REF_T_PARAM_PACK , const __T5& t5, const __T6& t6, const __T7& t7, const __T8& t8, const __T9& t9
#define __TBB_T_PARAM_LIST_PACK ,t5 ,t6 ,t7 ,t8 ,t9
#define __TBB_CONST_NULL_REF_PACK , const null_type&, const null_type&, const null_type&, const null_type&, const null_type&
#endif
namespace tbb {
namespace interface5 {
namespace internal {
struct null_type { };
}
using internal::null_type;
// tuple forward declaration
template <typename __T0=null_type, typename __T1=null_type, typename __T2=null_type,
typename __T3=null_type, typename __T4=null_type
#if __TBB_VARIADIC_MAX >= 6
, typename __T5=null_type
#if __TBB_VARIADIC_MAX >= 7
, typename __T6=null_type
#if __TBB_VARIADIC_MAX >= 8
, typename __T7=null_type
#if __TBB_VARIADIC_MAX >= 9
, typename __T8=null_type
#if __TBB_VARIADIC_MAX >= 10
, typename __T9=null_type
#endif
#endif
#endif
#endif
#endif
>
class tuple;
namespace internal {
// const null_type temp
inline const null_type cnull() { return null_type(); }
// cons forward declaration
template <typename __HT, typename __TT> struct cons;
// type of a component of the cons
template<int __N, typename __T>
struct component {
typedef typename __T::tail_type next;
typedef typename component<__N-1,next>::type type;
};
template<typename __T>
struct component<0,__T> {
typedef typename __T::head_type type;
};
template<>
struct component<0,null_type> {
typedef null_type type;
};
// const version of component
template<int __N, typename __T>
struct component<__N, const __T>
{
typedef typename __T::tail_type next;
typedef const typename component<__N-1,next>::type type;
};
template<typename __T>
struct component<0, const __T>
{
typedef const typename __T::head_type type;
};
// helper class for getting components of cons
template< int __N>
struct get_helper {
template<typename __HT, typename __TT>
inline static typename component<__N, cons<__HT,__TT> >::type& get(cons<__HT,__TT>& ti) {
return get_helper<__N-1>::get(ti.tail);
}
template<typename __HT, typename __TT>
inline static typename component<__N, cons<__HT,__TT> >::type const& get(const cons<__HT,__TT>& ti) {
return get_helper<__N-1>::get(ti.tail);
}
};
template<>
struct get_helper<0> {
template<typename __HT, typename __TT>
inline static typename component<0, cons<__HT,__TT> >::type& get(cons<__HT,__TT>& ti) {
return ti.head;
}
template<typename __HT, typename __TT>
inline static typename component<0, cons<__HT,__TT> >::type const& get(const cons<__HT,__TT>& ti) {
return ti.head;
}
};
// traits adaptor
template <typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK>
struct tuple_traits {
typedef cons <__T0, typename tuple_traits<__T1, __T2, __T3, __T4 __TBB_T_PACK , null_type>::U > U;
};
template <typename __T0>
struct tuple_traits<__T0, null_type, null_type, null_type, null_type __TBB_NULL_TYPE_PACK > {
typedef cons<__T0, null_type> U;
};
template<>
struct tuple_traits<null_type, null_type, null_type, null_type, null_type __TBB_NULL_TYPE_PACK > {
typedef null_type U;
};
// core cons defs
template <typename __HT, typename __TT>
struct cons{
typedef __HT head_type;
typedef __TT tail_type;
head_type head;
tail_type tail;
static const int length = 1 + tail_type::length;
// default constructors
explicit cons() : head(), tail() { }
// non-default constructors
cons(head_type& h, const tail_type& t) : head(h), tail(t) { }
template <typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK >
cons(const __T0& t0, const __T1& t1, const __T2& t2, const __T3& t3, const __T4& t4 __TBB_CONST_REF_T_PARAM_PACK) :
head(t0), tail(t1, t2, t3, t4 __TBB_T_PARAM_LIST_PACK, cnull()) { }
template <typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK >
cons(__T0& t0, __T1& t1, __T2& t2, __T3& t3, __T4& t4 __TBB_REF_T_PARAM_PACK) :
head(t0), tail(t1, t2, t3, t4 __TBB_T_PARAM_LIST_PACK , cnull()) { }
template <typename __HT1, typename __TT1>
cons(const cons<__HT1,__TT1>& other) : head(other.head), tail(other.tail) { }
cons& operator=(const cons& other) { head = other.head; tail = other.tail; return *this; }
friend bool operator==(const cons& me, const cons& other) {
return me.head == other.head && me.tail == other.tail;
}
friend bool operator<(const cons& me, const cons& other) {
return me.head < other.head || (!(other.head < me.head) && me.tail < other.tail);
}
friend bool operator>(const cons& me, const cons& other) { return other<me; }
friend bool operator!=(const cons& me, const cons& other) { return !(me==other); }
friend bool operator>=(const cons& me, const cons& other) { return !(me<other); }
friend bool operator<=(const cons& me, const cons& other) { return !(me>other); }
template<typename __HT1, typename __TT1>
friend bool operator==(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) {
return me.head == other.head && me.tail == other.tail;
}
template<typename __HT1, typename __TT1>
friend bool operator<(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) {
return me.head < other.head || (!(other.head < me.head) && me.tail < other.tail);
}
template<typename __HT1, typename __TT1>
friend bool operator>(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) { return other<me; }
template<typename __HT1, typename __TT1>
friend bool operator!=(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) { return !(me==other); }
template<typename __HT1, typename __TT1>
friend bool operator>=(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) { return !(me<other); }
template<typename __HT1, typename __TT1>
friend bool operator<=(const cons<__HT,__TT>& me, const cons<__HT1,__TT1>& other) { return !(me>other); }
}; // cons
template <typename __HT>
struct cons<__HT,null_type> {
typedef __HT head_type;
typedef null_type tail_type;
head_type head;
static const int length = 1;
// default constructor
cons() : head() { /*std::cout << "default constructor 1\n";*/ }
cons(const null_type&, const null_type&, const null_type&, const null_type&, const null_type& __TBB_CONST_NULL_REF_PACK) : head() { /*std::cout << "default constructor 2\n";*/ }
// non-default constructor
template<typename __T1>
cons(__T1& t1, const null_type&, const null_type&, const null_type&, const null_type& __TBB_CONST_NULL_REF_PACK) : head(t1) { /*std::cout << "non-default a1, t1== " << t1 << "\n";*/}
cons(head_type& h, const null_type& = null_type() ) : head(h) { }
cons(const head_type& t0, const null_type&, const null_type&, const null_type&, const null_type& __TBB_CONST_NULL_REF_PACK) : head(t0) { }
// converting constructor
template<typename __HT1>
cons(__HT1 h1, const null_type&, const null_type&, const null_type&, const null_type& __TBB_CONST_NULL_REF_PACK) : head(h1) { }
// copy constructor
template<typename __HT1>
cons( const cons<__HT1, null_type>& other) : head(other.head) { }
// assignment operator
cons& operator=(const cons& other) { head = other.head; return *this; }
friend bool operator==(const cons& me, const cons& other) { return me.head == other.head; }
friend bool operator<(const cons& me, const cons& other) { return me.head < other.head; }
friend bool operator>(const cons& me, const cons& other) { return other<me; }
friend bool operator!=(const cons& me, const cons& other) {return !(me==other); }
friend bool operator<=(const cons& me, const cons& other) {return !(me>other); }
friend bool operator>=(const cons& me, const cons& other) {return !(me<other); }
template<typename __HT1>
friend bool operator==(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) {
return me.head == other.head;
}
template<typename __HT1>
friend bool operator<(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) {
return me.head < other.head;
}
template<typename __HT1>
friend bool operator>(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) { return other<me; }
template<typename __HT1>
friend bool operator!=(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) { return !(me==other); }
template<typename __HT1>
friend bool operator<=(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) { return !(me>other); }
template<typename __HT1>
friend bool operator>=(const cons<__HT,null_type>& me, const cons<__HT1,null_type>& other) { return !(me<other); }
}; // cons
template <>
struct cons<null_type,null_type> { typedef null_type tail_type; static const int length = 0; };
// wrapper for default constructor
template<typename __T>
inline const __T wrap_dcons(__T*) { return __T(); }
} // namespace internal
// tuple definition
template<typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK >
class tuple : public internal::tuple_traits<__T0, __T1, __T2, __T3, __T4 __TBB_T_PACK >::U {
// friends
template <typename __T> friend class tuple_size;
template<int __N, typename __T> friend struct tuple_element;
// stl components
typedef tuple<__T0,__T1,__T2,__T3,__T4 __TBB_T_PACK > value_type;
typedef value_type *pointer;
typedef const value_type *const_pointer;
typedef value_type &reference;
typedef const value_type &const_reference;
typedef size_t size_type;
typedef typename internal::tuple_traits<__T0,__T1,__T2,__T3, __T4 __TBB_T_PACK >::U my_cons;
public:
tuple(const __T0& t0=internal::wrap_dcons((__T0*)NULL)
,const __T1& t1=internal::wrap_dcons((__T1*)NULL)
,const __T2& t2=internal::wrap_dcons((__T2*)NULL)
,const __T3& t3=internal::wrap_dcons((__T3*)NULL)
,const __T4& t4=internal::wrap_dcons((__T4*)NULL)
#if __TBB_VARIADIC_MAX >= 6
,const __T5& t5=internal::wrap_dcons((__T5*)NULL)
#if __TBB_VARIADIC_MAX >= 7
,const __T6& t6=internal::wrap_dcons((__T6*)NULL)
#if __TBB_VARIADIC_MAX >= 8
,const __T7& t7=internal::wrap_dcons((__T7*)NULL)
#if __TBB_VARIADIC_MAX >= 9
,const __T8& t8=internal::wrap_dcons((__T8*)NULL)
#if __TBB_VARIADIC_MAX >= 10
,const __T9& t9=internal::wrap_dcons((__T9*)NULL)
#endif
#endif
#endif
#endif
#endif
) :
my_cons(t0,t1,t2,t3,t4 __TBB_T_PARAM_LIST_PACK) { }
template<int __N>
struct internal_tuple_element {
typedef typename internal::component<__N,my_cons>::type type;
};
template<int __N>
typename internal_tuple_element<__N>::type& get() { return internal::get_helper<__N>::get(*this); }
template<int __N>
typename internal_tuple_element<__N>::type const& get() const { return internal::get_helper<__N>::get(*this); }
template<typename __U1, typename __U2>
tuple& operator=(const internal::cons<__U1,__U2>& other) {
my_cons::operator=(other);
return *this;
}
template<typename __U1, typename __U2>
tuple& operator=(const std::pair<__U1,__U2>& other) {
// __TBB_ASSERT(tuple_size<value_type>::value == 2, "Invalid size for pair to tuple assignment");
this->head = other.first;
this->tail.head = other.second;
return *this;
}
friend bool operator==(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)==(other);}
friend bool operator<(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)<(other);}
friend bool operator>(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)>(other);}
friend bool operator!=(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)!=(other);}
friend bool operator>=(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)>=(other);}
friend bool operator<=(const tuple& me, const tuple& other) {return static_cast<const my_cons &>(me)<=(other);}
}; // tuple
// empty tuple
template<>
class tuple<null_type, null_type, null_type, null_type, null_type __TBB_NULL_TYPE_PACK > : public null_type {
};
// helper classes
template < typename __T>
class tuple_size {
public:
static const size_t value = 1 + tuple_size<typename __T::tail_type>::value;
};
template <>
class tuple_size<tuple<> > {
public:
static const size_t value = 0;
};
template <>
class tuple_size<null_type> {
public:
static const size_t value = 0;
};
template<int __N, typename __T>
struct tuple_element {
typedef typename internal::component<__N, typename __T::my_cons>::type type;
};
template<int __N, typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK >
inline static typename tuple_element<__N,tuple<__T0,__T1,__T2,__T3,__T4 __TBB_T_PACK > >::type&
get(tuple<__T0,__T1,__T2,__T3,__T4 __TBB_T_PACK >& t) { return internal::get_helper<__N>::get(t); }
template<int __N, typename __T0, typename __T1, typename __T2, typename __T3, typename __T4 __TBB_TYPENAME_T_PACK >
inline static typename tuple_element<__N,tuple<__T0,__T1,__T2,__T3,__T4 __TBB_T_PACK > >::type const&
get(const tuple<__T0,__T1,__T2,__T3,__T4 __TBB_T_PACK >& t) { return internal::get_helper<__N>::get(t); }
} // interface5
} // tbb
#if !__TBB_CPP11_TUPLE_PRESENT
namespace tbb {
namespace flow {
using tbb::interface5::tuple;
using tbb::interface5::tuple_size;
using tbb::interface5::tuple_element;
using tbb::interface5::get;
}
}
#endif
#undef __TBB_T_PACK
#undef __TBB_U_PACK
#undef __TBB_TYPENAME_T_PACK
#undef __TBB_TYPENAME_U_PACK
#undef __TBB_NULL_TYPE_PACK
#undef __TBB_REF_T_PARAM_PACK
#undef __TBB_CONST_REF_T_PARAM_PACK
#undef __TBB_T_PARAM_LIST_PACK
#undef __TBB_CONST_NULL_REF_PACK
#endif /* __TBB_tuple_H */
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