204 lines
6.1 KiB
C++
204 lines
6.1 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2008-2012. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_DETAIL_PREPROCESSOR_HPP
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#define BOOST_INTERPROCESS_DETAIL_PREPROCESSOR_HPP
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#if defined(_MSC_VER)
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# pragma once
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#endif
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#include <boost/interprocess/detail/config_begin.hpp>
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#ifdef BOOST_INTERPROCESS_PERFECT_FORWARDING
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#error "This file is not needed when perfect forwarding is available"
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#endif
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#include <boost/preprocessor/iteration/local.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/repetition/enum.hpp>
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#include <boost/preprocessor/repetition/repeat.hpp>
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#define BOOST_INTERPROCESS_MAX_CONSTRUCTOR_PARAMETERS 10
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//Note:
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//We define template parameters as const references to
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//be able to bind temporaries. After that we will un-const them.
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//This cast is ugly but it is necessary until "perfect forwarding"
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//is achieved in C++0x. Meanwhile, if we want to be able to
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//bind rvalues with non-const references, we have to be ugly
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_INTERPROCESS_PP_PARAM_LIST(z, n, data) \
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BOOST_PP_CAT(P, n) && BOOST_PP_CAT(p, n) \
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//!
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#else
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#define BOOST_INTERPROCESS_PP_PARAM_LIST(z, n, data) \
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const BOOST_PP_CAT(P, n) & BOOST_PP_CAT(p, n) \
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//!
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#endif
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_INTERPROCESS_PP_PARAM(U, u) \
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U && u \
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//!
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#else
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#define BOOST_INTERPROCESS_PP_PARAM(U, u) \
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const U & u \
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//!
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#endif
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_INTERPROCESS_PP_PARAM_INIT(z, n, data) \
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BOOST_PP_CAT(m_p, n) (::boost::forward< BOOST_PP_CAT(P, n) >( BOOST_PP_CAT(p, n) )) \
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//!
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#else //#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#define BOOST_INTERPROCESS_PP_PARAM_INIT(z, n, data) \
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BOOST_PP_CAT(m_p, n) (const_cast<BOOST_PP_CAT(P, n) &>(BOOST_PP_CAT(p, n))) \
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//!
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#endif
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#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
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#if defined(BOOST_MOVE_MSVC_10_MEMBER_RVALUE_REF_BUG)
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namespace boost {
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namespace interprocess {
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namespace ipcdetail {
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template<class T>
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struct ref_holder;
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template<class T>
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struct ref_holder<T &>
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{
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ref_holder(T &t)
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: t_(t)
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{}
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T &t_;
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T & get() { return t_; }
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T & get_lvalue() { return t_; }
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};
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template<class T>
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struct ref_holder<const T>
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{
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ref_holder(const T &t)
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: t_(t)
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{}
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const T &t_;
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const T & get() { return t_; }
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const T & get_lvalue() { return t_; }
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};
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template<class T>
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struct ref_holder<const T &&>
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{
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ref_holder(const T &t)
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: t_(t)
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{}
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const T &t_;
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const T & get() { return t_; }
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const T & get_lvalue() { return t_; }
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};
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template<class T>
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struct ref_holder
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{
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ref_holder(T &&t)
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: t_(t)
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{}
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T &t_;
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T && get() { return ::boost::move(t_); }
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T & get_lvalue() { return t_; }
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};
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template<class T>
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struct ref_holder<T &&>
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{
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ref_holder(T &&t)
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: t(t)
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{}
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T &t;
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T && get() { return ::boost::move(t_); }
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T & get_lvalue() { return t_; }
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};
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} //namespace ipcdetail {
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} //namespace interprocess {
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} //namespace boost {
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#define BOOST_INTERPROCESS_PP_PARAM_DEFINE(z, n, data) \
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::boost::interprocess::ipcdetail::ref_holder<BOOST_PP_CAT(P, n)> BOOST_PP_CAT(m_p, n); \
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//!
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#define BOOST_INTERPROCESS_PP_PARAM_INC(z, n, data) \
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BOOST_PP_CAT(++m_p, n).get_lvalue() \
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//!
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#else //BOOST_MOVE_MSVC_10_MEMBER_RVALUE_REF_BUG
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#define BOOST_INTERPROCESS_PP_PARAM_DEFINE(z, n, data)\
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BOOST_PP_CAT(P, n) && BOOST_PP_CAT(m_p, n); \
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//!
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#define BOOST_INTERPROCESS_PP_PARAM_INC(z, n, data) \
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BOOST_PP_CAT(++m_p, n) \
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//!
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#endif //defined(BOOST_MOVE_MSVC_10_MEMBER_RVALUE_REF_BUG)
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#else
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#define BOOST_INTERPROCESS_PP_PARAM_DEFINE(z, n, data) \
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BOOST_PP_CAT(P, n) & BOOST_PP_CAT(m_p, n); \
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//!
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#define BOOST_INTERPROCESS_PP_PARAM_INC(z, n, data) \
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BOOST_PP_CAT(++m_p, n) \
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//!
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#endif
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#define BOOST_INTERPROCESS_PP_PARAM_FORWARD(z, n, data) \
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::boost::forward< BOOST_PP_CAT(P, n) >( BOOST_PP_CAT(p, n) ) \
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//!
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#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && defined(BOOST_MOVE_MSVC_10_MEMBER_RVALUE_REF_BUG)
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#define BOOST_INTERPROCESS_PP_MEMBER_FORWARD(z, n, data) BOOST_PP_CAT(this->m_p, n).get() \
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//!
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#define BOOST_INTERPROCESS_PP_MEMBER_IT_FORWARD(z, n, data) \
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BOOST_PP_CAT(*m_p, n).get_lvalue() \
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//!
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#else
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#define BOOST_INTERPROCESS_PP_MEMBER_FORWARD(z, n, data) \
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::boost::forward< BOOST_PP_CAT(P, n) >( BOOST_PP_CAT(m_p, n) ) \
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//!
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#define BOOST_INTERPROCESS_PP_MEMBER_IT_FORWARD(z, n, data) \
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BOOST_PP_CAT(*m_p, n) \
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//!
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#endif //!defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && defined(BOOST_MOVE_MSVC_10_MEMBER_RVALUE_REF_BUG)
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#include <boost/interprocess/detail/config_end.hpp>
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#else
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#ifdef BOOST_INTERPROCESS_PERFECT_FORWARDING
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#error "This file is not needed when perfect forwarding is available"
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#endif
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#endif //#ifndef BOOST_INTERPROCESS_DETAIL_PREPROCESSOR_HPP
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