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			4.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			151 lines
		
	
	
		
			4.7 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | /*============================================================================== | ||
|  |     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 |