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/*==============================================================================
Copyright (c) 2001-2010 Joel de Guzman
Copyright (c) 2010 Eric Niebler
Copyright (c) 2010-2011 Thomas Heller
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_PHOENIX_CORE_ARGUMENT_HPP
#define BOOST_PHOENIX_CORE_ARGUMENT_HPP
#include <boost/phoenix/core/limits.hpp>
#include <boost/phoenix/core/actor.hpp>
#include <boost/phoenix/core/expression.hpp>
#include <boost/phoenix/core/terminal.hpp>
#include <boost/mpl/int.hpp>
namespace boost { namespace phoenix
{
////////////////////////////////////////////////////////////////////////////
//
// argument
//
// function for evaluating argument placeholders like: _1
//
////////////////////////////////////////////////////////////////////////////
template <int I>
struct argument
//: mpl::int_<I>
{
typedef typename mpl::int_<I>::value_type value_type;
static const value_type value = mpl::int_<I>::value;
bool operator==(argument) const
{
return true;
}
template <int I2>
bool operator==(argument<I2>) const
{
return false;
}
};
}}
namespace boost {
template <int I>
struct is_placeholder<phoenix::argument<I> >
: mpl::int_<I>
{};
}
namespace boost { namespace phoenix
{
namespace expression
{
template <int I>
struct argument
: expression::terminal<phoenix::argument<I> >
{
typedef typename expression::terminal<phoenix::argument<I> >::type type;
static const type make()
{
type const e = {{{}}};
return e;
}
};
}
#if !defined(BOOST_PHOENIX_DONT_USE_PREPROCESSED_FILES)
#include <boost/phoenix/core/preprocessed/argument.hpp>
#else
#if !defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#include <boost/phoenix/core/detail/argument.hpp>
#else
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/argument_predefined_" BOOST_PHOENIX_LIMIT_STR ".hpp")
#endif
/*==============================================================================
Copyright (c) 2001-2010 Joel de Guzman
Copyright (c) 2010-2011 Thomas Heller
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)
==============================================================================*/
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 1)
#endif
#ifdef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#undef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#define BOOST_PHOENIX_NO_PREDEFINED_TERMINALS_RESTORE
#endif
#include <boost/phoenix/core/detail/argument.hpp>
#ifndef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS_RESTORE
#define BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#undef BOOST_PHOENIX_NO_PREDEFINED_TERIMINALS_RESTORE
#endif
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
#endif
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 2, line: 0, output: "preprocessed/argument_no_predefined_" BOOST_PHOENIX_LIMIT_STR ".hpp")
#endif
/*==============================================================================
Copyright (c) 2001-2010 Joel de Guzman
Copyright (c) 2010-2011 Thomas Heller
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)
==============================================================================*/
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(preserve: 1)
#endif
#ifndef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#define BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#define BOOST_PHOENIX_NO_PREDEFINED_TERMINALS_RESTORE
#endif
#include <boost/phoenix/core/detail/argument.hpp>
#ifndef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS_RESTORE
#undef BOOST_PHOENIX_NO_PREDEFINED_TERMINALS
#undef BOOST_PHOENIX_NO_PREDEFINED_TERIMINALS_RESTORE
#endif
#if defined(__WAVE__) && defined(BOOST_PHOENIX_CREATE_PREPROCESSED_FILES)
#pragma wave option(output: null)
#endif
#endif
#endif
}}
#endif
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