| /*============================================================================= |
| Copyright (c) 2001-2010 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 |
| |