Imported Upstream version 1.49.0upstream/1.49.0

1 files changed, 33 insertions, 0 deletions

diff --git a/boost/spirit/home/qi/what.hpp b/boost/spirit/home/qi/what.hpp
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+++ b/boost/spirit/home/qi/what.hpp
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+/*=============================================================================
+    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
+