ext-boost/boost/move/make_unique.hpp
2014-12-28 01:22:08 -02:00

620 lines
23 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2006-2014. 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://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_MOVE_MAKE_UNIQUE_HPP_INCLUDED
#define BOOST_MOVE_MAKE_UNIQUE_HPP_INCLUDED
#include <boost/move/detail/config_begin.hpp>
#include <boost/move/detail/workaround.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/move/unique_ptr.hpp>
#include <cstddef> //for std::size_t
#include <boost/move/detail/unique_ptr_meta_utils.hpp>
//!\file
//! Defines "make_unique" functions, which are factories to create instances
//! of unique_ptr depending on the passed arguments.
//!
//! This header can be a bit heavyweight in C++03 compilers due to the use of the
//! preprocessor library, that's why it's a a separate header from <tt>unique_ptr.hpp</tt>
#if !defined(BOOST_MOVE_DOXYGEN_INVOKED)
namespace std { //no namespace versioning in clang+libc++
struct nothrow_t;
} //namespace std {
namespace boost{
namespace move_upmu {
//Compile time switch between
//single element, unknown bound array
//and known bound array
template<class T>
struct unique_ptr_if
{
typedef ::boost::movelib::unique_ptr<T> t_is_not_array;
};
template<class T>
struct unique_ptr_if<T[]>
{
typedef ::boost::movelib::unique_ptr<T[]> t_is_array_of_unknown_bound;
};
template<class T, std::size_t N>
struct unique_ptr_if<T[N]>
{
typedef void t_is_array_of_known_bound;
};
static std::nothrow_t *pnothrow;
} //namespace move_upmu {
} //namespace boost{
#endif //!defined(BOOST_MOVE_DOXYGEN_INVOKED)
namespace boost{
namespace movelib {
#if defined(BOOST_MOVE_DOXYGEN_INVOKED) || !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is not an array.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new T(std::forward<Args>(args)...))</tt>.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array)
make_unique(BOOST_FWD_REF(Args)... args)
{ return unique_ptr<T>(new T(::boost::forward<Args>(args)...)); }
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is not an array.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new T(std::nothrow)(std::forward<Args>(args)...))</tt>.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array)
make_unique_nothrow(BOOST_FWD_REF(Args)... args)
{ return unique_ptr<T>(new (*boost::move_upmu::pnothrow)T(::boost::forward<Args>(args)...)); }
#else
//0 arg
template<class T>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique()
{ return unique_ptr<T>(new T()); }
template<class T>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow()
{ return unique_ptr<T>(new (*boost::move_upmu::pnothrow)T()); }
//1 arg
template<class T, class P0>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
)
);
}
template<class T, class P0>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow( BOOST_FWD_REF(P0) p0
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
)
);
}
//2 arg
template<class T, class P0, class P1>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
)
);
}
template<class T, class P0, class P1>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
)
);
}
//3 arg
template<class T, class P0, class P1, class P2>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
)
);
}
template<class T, class P0, class P1, class P2>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
)
);
}
//4 arg
template<class T, class P0, class P1, class P2, class P3>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
)
);
}
template<class T, class P0, class P1, class P2, class P3>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
)
);
}
//5 arg
template<class T, class P0, class P1, class P2, class P3, class P4>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
)
);
}
//6 arg
template<class T, class P0, class P1, class P2, class P3, class P4, class P5>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4, class P5>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
)
);
}
//7 arg
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
)
);
}
//8 arg
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
)
);
}
//9 arg
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
, BOOST_FWD_REF(P8) p8
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
, ::boost::forward<P8>(p8)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
, BOOST_FWD_REF(P8) p8
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
, ::boost::forward<P8>(p8)
)
);
}
//10 arg
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8, class P9>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
, BOOST_FWD_REF(P8) p8
, BOOST_FWD_REF(P9) p9
)
{
return unique_ptr<T>
( new T( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
, ::boost::forward<P8>(p8)
, ::boost::forward<P9>(p9)
)
);
}
template<class T, class P0, class P1, class P2, class P3, class P4, class P5, class P6, class P7, class P8, class P9>
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array
make_unique_nothrow ( BOOST_FWD_REF(P0) p0
, BOOST_FWD_REF(P1) p1
, BOOST_FWD_REF(P2) p2
, BOOST_FWD_REF(P3) p3
, BOOST_FWD_REF(P4) p4
, BOOST_FWD_REF(P5) p5
, BOOST_FWD_REF(P6) p6
, BOOST_FWD_REF(P7) p7
, BOOST_FWD_REF(P8) p8
, BOOST_FWD_REF(P9) p9
)
{
return unique_ptr<T>
( new (*boost::move_upmu::pnothrow)T ( ::boost::forward<P0>(p0)
, ::boost::forward<P1>(p1)
, ::boost::forward<P2>(p2)
, ::boost::forward<P3>(p3)
, ::boost::forward<P4>(p4)
, ::boost::forward<P5>(p5)
, ::boost::forward<P6>(p6)
, ::boost::forward<P7>(p7)
, ::boost::forward<P8>(p8)
, ::boost::forward<P9>(p9)
)
);
}
#endif
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is not an array.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new T)</tt> (default initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array)
make_unique_definit()
{
return unique_ptr<T>(new T);
}
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is not an array.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new T(std::nothrow)</tt> (default initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_not_array)
make_unique_nothrow_definit()
{
return unique_ptr<T>(new (*boost::move_upmu::pnothrow)T);
}
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is an array of
//! unknown bound.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new remove_extent_t<T>[n]())</tt> (value initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_unknown_bound)
make_unique(std::size_t n)
{
typedef typename ::boost::move_upmu::remove_extent<T>::type U;
return unique_ptr<T>(new U[n]());
}
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is an array of
//! unknown bound.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new (std::nothrow)remove_extent_t<T>[n]())</tt> (value initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_unknown_bound)
make_unique_nothrow(std::size_t n)
{
typedef typename ::boost::move_upmu::remove_extent<T>::type U;
return unique_ptr<T>(new (*boost::move_upmu::pnothrow)U[n]());
}
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is an array of
//! unknown bound.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new remove_extent_t<T>[n])</tt> (default initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_unknown_bound)
make_unique_definit(std::size_t n)
{
typedef typename ::boost::move_upmu::remove_extent<T>::type U;
return unique_ptr<T>(new U[n]);
}
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is an array of
//! unknown bound.
//!
//! <b>Returns</b>: <tt>unique_ptr<T>(new (std::nothrow)remove_extent_t<T>[n])</tt> (default initialization)
template<class T>
inline BOOST_MOVE_DOC1ST(unique_ptr<T>,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_unknown_bound)
make_unique_nothrow_definit(std::size_t n)
{
typedef typename ::boost::move_upmu::remove_extent<T>::type U;
return unique_ptr<T>(new (*boost::move_upmu::pnothrow) U[n]);
}
#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is
//! an array of known bound.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unspecified,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_known_bound)
make_unique(BOOST_FWD_REF(Args) ...) = delete;
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is
//! an array of known bound.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unspecified,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_known_bound)
make_unique_definit(BOOST_FWD_REF(Args) ...) = delete;
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is
//! an array of known bound.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unspecified,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_known_bound)
make_unique_nothrow(BOOST_FWD_REF(Args) ...) = delete;
//! <b>Remarks</b>: This function shall not participate in overload resolution unless T is
//! an array of known bound.
template<class T, class... Args>
inline BOOST_MOVE_DOC1ST(unspecified,
typename ::boost::move_upmu::unique_ptr_if<T>::t_is_array_of_known_bound)
make_unique_nothrow_definit(BOOST_FWD_REF(Args) ...) = delete;
#endif
} //namespace movelib {
} //namespace boost{
#include <boost/move/detail/config_end.hpp>
#endif //#ifndef BOOST_MOVE_MAKE_UNIQUE_HPP_INCLUDED