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33 lines
961 B
33 lines
961 B
// Copyright (c) 2001-2011 Hartmut Kaiser |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#if !defined(BOOST_SPIRIT_WHAT_MAY_04_2007_0116PM) |
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#define BOOST_SPIRIT_WHAT_MAY_04_2007_0116PM |
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#if defined(_MSC_VER) |
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#pragma once |
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#endif |
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#include <boost/mpl/assert.hpp> |
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#include <boost/spirit/home/support/info.hpp> |
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#include <boost/spirit/home/karma/meta_compiler.hpp> |
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namespace boost { namespace spirit { namespace karma |
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{ |
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template <typename Expr> |
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inline info what(Expr const& xpr) |
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{ |
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// Report invalid expression error as early as possible. |
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// If you got an error_invalid_expression |
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// error message here, then the expression (expr) is not a |
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// valid spirit karma expression. |
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BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr); |
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return compile<karma::domain>(xpr).what(unused); |
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} |
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}}} |
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#endif |
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