//          Copyright Oliver Kowalke 2009.
// 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_COROUTINES_DETAIL_TRAMPOLINE_H
#define BOOST_COROUTINES_DETAIL_TRAMPOLINE_H

#include <cstddef>

#include <boost/assert.hpp>
#include <boost/config.hpp>
#include <boost/cstdint.hpp>
#include <boost/tuple/tuple.hpp>

#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_PREFIX
#endif

namespace boost {
namespace coroutines {
namespace detail {

template< typename Coroutine >
void trampoline1( intptr_t vp)
{
    BOOST_ASSERT( vp);

    reinterpret_cast< Coroutine * >( vp)->run();
}

template< typename Coroutine, typename Arg >
void trampoline2( intptr_t vp)
{
    BOOST_ASSERT( vp);

    tuple< Coroutine *, Arg > * tpl(
        reinterpret_cast< tuple< Coroutine *, Arg > * >( vp) );
    Coroutine * coro( get< 0 >( * tpl) );
    Arg arg( get< 1 >( * tpl) );

    coro->run( arg);
}

}}}

#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_SUFFIX
#endif

#endif // BOOST_COROUTINES_DETAIL_TRAMPOLINE_H