Chris@16: //  Copyright (c) 2001-2011 Hartmut Kaiser
Chris@16: //
Chris@16: //  Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #if !defined(BOOST_SPIRIT_QI_AUTO_NOV_29_2009_0336PM)
Chris@16: #define BOOST_SPIRIT_QI_AUTO_NOV_29_2009_0336PM
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/spirit/home/support/common_terminals.hpp>
Chris@16: #include <boost/spirit/home/support/info.hpp>
Chris@16: #include <boost/spirit/home/support/container.hpp>
Chris@16: #include <boost/spirit/home/support/detail/hold_any.hpp>
Chris@16: #include <boost/spirit/home/qi/domain.hpp>
Chris@16: #include <boost/spirit/home/qi/meta_compiler.hpp>
Chris@16: #include <boost/spirit/home/qi/skip_over.hpp>
Chris@16: #include <boost/spirit/home/qi/parser.hpp>
Chris@16: #include <boost/spirit/home/qi/auto/create_parser.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: namespace boost { namespace spirit
Chris@16: {
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Enablers
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <>
Chris@16:     struct use_terminal<qi::domain, tag::auto_>     // enables auto_
Chris@16:       : mpl::true_ {};
Chris@16: }}
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: namespace boost { namespace spirit { namespace qi
Chris@16: {
Chris@16: #ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
Chris@16:     using spirit::auto_;
Chris@16: #endif
Chris@16:     using spirit::auto_type;
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename Modifiers>
Chris@16:     struct auto_parser
Chris@16:       : parser<auto_parser<Modifiers> >
Chris@16:     {
Chris@16:         template <typename Context, typename Iterator>
Chris@16:         struct attribute
Chris@16:         {
Chris@16:             typedef spirit::hold_any type;
Chris@16:         };
Chris@16: 
Chris@16:         auto_parser(Modifiers const& modifiers)
Chris@16:           : modifiers_(modifiers) {}
Chris@16: 
Chris@16:         template <typename Iterator, typename Context, typename Skipper
Chris@16:           , typename Attribute>
Chris@16:         bool parse(Iterator& first, Iterator const& last
Chris@16:           , Context& context, Skipper const& skipper, Attribute& attr) const
Chris@16:         {
Chris@16:             return compile<qi::domain>(create_parser<Attribute>(), modifiers_)
Chris@16:                       .parse(first, last, context, skipper, attr);
Chris@16:         }
Chris@16: 
Chris@16:         template <typename Context>
Chris@16:         info what(Context& /*context*/) const
Chris@16:         {
Chris@16:             return info("auto_");
Chris@16:         }
Chris@16: 
Chris@16:         Modifiers modifiers_;
Chris@16:     };
Chris@16: 
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     // Generator generators: make_xxx function (objects)
Chris@16:     ///////////////////////////////////////////////////////////////////////////
Chris@16:     template <typename Modifiers>
Chris@16:     struct make_primitive<tag::auto_, Modifiers>
Chris@16:     {
Chris@16:         typedef auto_parser<Modifiers> result_type;
Chris@16: 
Chris@16:         result_type operator()(unused_type, Modifiers const& modifiers) const
Chris@16:         {
Chris@16:             return result_type(modifiers);
Chris@16:         }
Chris@16:     };
Chris@16: }}}
Chris@16: 
Chris@16: #endif