| 1 | // Copyright (c) 2001-2011 Hartmut Kaiser |
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| 2 | // |
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| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 5 | |
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| 6 | #if !defined(BOOST_SPIRIT_WHAT_MAY_04_2007_0116PM) |
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| 7 | #define BOOST_SPIRIT_WHAT_MAY_04_2007_0116PM |
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| 8 | |
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| 9 | #if defined(_MSC_VER) |
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| 10 | #pragma once |
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| 11 | #endif |
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| 12 | |
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| 13 | #include <boost/mpl/assert.hpp> |
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| 14 | #include <boost/spirit/home/support/info.hpp> |
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| 15 | #include <boost/spirit/home/karma/meta_compiler.hpp> |
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| 16 | |
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| 17 | namespace boost { namespace spirit { namespace karma |
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| 18 | { |
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| 19 | template <typename Expr> |
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| 20 | inline info what(Expr const& xpr) |
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| 21 | { |
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| 22 | // Report invalid expression error as early as possible. |
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| 23 | // If you got an error_invalid_expression |
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| 24 | // error message here, then the expression (expr) is not a |
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| 25 | // valid spirit karma expression. |
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| 26 | BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr); |
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| 27 | return compile<karma::domain>(xpr).what(unused); |
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| 28 | } |
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| 29 | |
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| 30 | }}} |
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| 31 | |
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| 32 | #endif |
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| 33 | |
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| 34 | |
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