// Copyright (c) 2001-2011 Hartmut Kaiser
|
//
|
// 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(BOOST_SPIRIT_QI_AUTO_NOV_29_2009_0336PM)
|
#define BOOST_SPIRIT_QI_AUTO_NOV_29_2009_0336PM
|
|
#if defined(_MSC_VER)
|
#pragma once
|
#endif
|
|
#include <boost/spirit/home/support/common_terminals.hpp>
|
#include <boost/spirit/home/support/info.hpp>
|
#include <boost/spirit/home/support/container.hpp>
|
#include <boost/spirit/home/support/detail/hold_any.hpp>
|
#include <boost/spirit/home/qi/domain.hpp>
|
#include <boost/spirit/home/qi/meta_compiler.hpp>
|
#include <boost/spirit/home/qi/skip_over.hpp>
|
#include <boost/spirit/home/qi/parser.hpp>
|
#include <boost/spirit/home/qi/auto/create_parser.hpp>
|
#include <boost/mpl/bool.hpp>
|
|
///////////////////////////////////////////////////////////////////////////////
|
namespace boost { namespace spirit
|
{
|
///////////////////////////////////////////////////////////////////////////
|
// Enablers
|
///////////////////////////////////////////////////////////////////////////
|
template <>
|
struct use_terminal<qi::domain, tag::auto_> // enables auto_
|
: mpl::true_ {};
|
}}
|
|
///////////////////////////////////////////////////////////////////////////////
|
namespace boost { namespace spirit { namespace qi
|
{
|
#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
|
using spirit::auto_;
|
#endif
|
using spirit::auto_type;
|
|
///////////////////////////////////////////////////////////////////////////
|
template <typename Modifiers>
|
struct auto_parser
|
: parser<auto_parser<Modifiers> >
|
{
|
template <typename Context, typename Iterator>
|
struct attribute
|
{
|
typedef spirit::hold_any type;
|
};
|
|
auto_parser(Modifiers const& modifiers)
|
: modifiers_(modifiers) {}
|
|
template <typename Iterator, typename Context, typename Skipper
|
, typename Attribute>
|
bool parse(Iterator& first, Iterator const& last
|
, Context& context, Skipper const& skipper, Attribute& attr) const
|
{
|
return compile<qi::domain>(create_parser<Attribute>(), modifiers_)
|
.parse(first, last, context, skipper, attr);
|
}
|
|
template <typename Context>
|
info what(Context& /*context*/) const
|
{
|
return info("auto_");
|
}
|
|
Modifiers modifiers_;
|
};
|
|
///////////////////////////////////////////////////////////////////////////
|
// Generator generators: make_xxx function (objects)
|
///////////////////////////////////////////////////////////////////////////
|
template <typename Modifiers>
|
struct make_primitive<tag::auto_, Modifiers>
|
{
|
typedef auto_parser<Modifiers> result_type;
|
|
result_type operator()(unused_type, Modifiers const& modifiers) const
|
{
|
return result_type(modifiers);
|
}
|
};
|
}}}
|
|
#endif
|
