| // Copyright (c) 2001-2010 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_WHAT_MAY_04_2007_0116PM) |
| #define BOOST_SPIRIT_WHAT_MAY_04_2007_0116PM |
| |
| #if defined(_MSC_VER) |
| #pragma once |
| #endif |
| |
| #include <boost/mpl/assert.hpp> |
| #include <boost/spirit/home/support/info.hpp> |
| #include <boost/spirit/home/karma/meta_compiler.hpp> |
| |
| namespace boost { namespace spirit { namespace karma |
| { |
| template <typename Expr> |
| inline info what(Expr const& xpr) |
| { |
| // Report invalid expression error as early as possible. |
| // If you got an error_invalid_expression |
| // error message here, then the expression (expr) is not a |
| // valid spirit karma expression. |
| BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr); |
| return compile<karma::domain>(xpr).what(unused); |
| } |
| |
| }}} |
| |
| #endif |
| |