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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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_WHAT_APRIL_21_2007_0732AM)
#define BOOST_SPIRIT_WHAT_APRIL_21_2007_0732AM
#if defined(_MSC_VER)
#pragma once
#endif
#include <boost/mpl/assert.hpp>
#include <boost/spirit/home/support/info.hpp>
#include <boost/spirit/home/qi/meta_compiler.hpp>
namespace boost { namespace spirit { namespace qi
{
template <typename Expr>
inline info what(Expr const& expr)
{
// Report invalid expression error as early as possible.
// If you got an error_expr_is_not_convertible_to_a_parser
// error message here, then the expression (expr) is not a
// valid spirit qi expression.
BOOST_SPIRIT_ASSERT_MATCH(qi::domain, Expr);
return compile<qi::domain>(expr).what(unused);
}
}}}
#endif
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