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Diffstat (limited to 'boost/spirit/home/support/auto.hpp')
| -rw-r--r-- | boost/spirit/home/support/auto.hpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/boost/spirit/home/support/auto.hpp b/boost/spirit/home/support/auto.hpp new file mode 100644 index 0000000000..69aa76094e --- /dev/null +++ b/boost/spirit/home/support/auto.hpp @@ -0,0 +1,35 @@ +/*============================================================================= + Copyright (c) 2001-2012 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_AUTO_FEBRUARY_7_2012_0159PM) +#define BOOST_SPIRIT_AUTO_FEBRUARY_7_2012_0159PM + +#include <boost/config.hpp> +#include <boost/typeof/typeof.hpp> + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/config.hpp> + +// Support for c++11 auto. See: +// http://boost-spirit.com/home/articles/qi-example/zero-to-60-mph-in-2-seconds/ +// for more info + +#if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) + +#define BOOST_SPIRIT_AUTO(domain_, name, expr) \ + typedef boost::proto::result_of:: \ + deep_copy<BOOST_TYPEOF(expr)>::type name##_expr_type; \ + BOOST_SPIRIT_ASSERT_MATCH( \ + boost::spirit::domain_::domain, name##_expr_type); \ + BOOST_AUTO(name, boost::proto::deep_copy(expr)); \ + /****/ + +#endif + +#endif |