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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/detail/cpp03/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: "detail/cpp03/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: "detail/cpp03/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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