ceph/src/boost/libs/spirit/include/boost/spirit/home/support/auto.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2012 Joel de Guzman
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #if !defined(BOOST_SPIRIT_AUTO_FEBRUARY_7_2012_0159PM)
   8 #define BOOST_SPIRIT_AUTO_FEBRUARY_7_2012_0159PM
   9
  10 #include <boost/config.hpp>
  11 #include <boost/typeof/typeof.hpp>
  12
  13 #if defined(_MSC_VER)
  14 #pragma once
  15 #endif
  16
  17 #include <boost/config.hpp>
  18
  19 // Support for c++11 auto. See:
  20 // http://boost-spirit.com/home/articles/qi-example/zero-to-60-mph-in-2-seconds/
  21 // for more info
  22
  23 #if defined(BOOST_NO_CXX11_AUTO_DECLARATIONS)
  24
  25 #define BOOST_SPIRIT_AUTO(domain_, name, expr)                                  \
  26     typedef boost::proto::result_of::                                           \
  27         deep_copy<BOOST_TYPEOF(expr)>::type name##_expr_type;                   \
  28     BOOST_SPIRIT_ASSERT_MATCH(                                                  \
  29         boost::spirit::domain_::domain, name##_expr_type);                      \
  30     BOOST_AUTO(name, boost::proto::deep_copy(expr));                            \
  31     /****/
  32
  33 #endif
  34
  35 #endif