/*============================================================================= | |
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 | |