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Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/has_semantic_action.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/support/has_semantic_action.hpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/has_semantic_action.hpp b/3rdParty/Boost/src/boost/spirit/home/support/has_semantic_action.hpp new file mode 100644 index 0000000..b4cb4e7 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/support/has_semantic_action.hpp @@ -0,0 +1,47 @@ +/*============================================================================= + Copyright (c) 2001-2011 Hartmut Kaiser + + 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_HAS_SEMANTIC_ACTION_SEP_20_2009_0626PM) +#define BOOST_SPIRIT_HAS_SEMANTIC_ACTION_SEP_20_2009_0626PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/mpl/bool.hpp> +#include <boost/mpl/or.hpp> +#include <boost/mpl/not.hpp> +#include <boost/mpl/find_if.hpp> +#include <boost/type_traits/is_same.hpp> + +namespace boost { namespace spirit { namespace traits +{ + // finding out, whether a component contains a semantic action + template <typename T, typename Enable = void> + struct has_semantic_action + : mpl::false_ {}; + + template <typename Subject> + struct unary_has_semantic_action + : has_semantic_action<Subject> {}; + + template <typename Left, typename Right> + struct binary_has_semantic_action + : mpl::or_<has_semantic_action<Left>, has_semantic_action<Right> > {}; + + template <typename Elements> + struct nary_has_semantic_action + : mpl::not_< + is_same< + typename mpl::find_if< + Elements, has_semantic_action<mpl::_> + >::type + , typename mpl::end<Elements>::type + > + > {}; +}}} + +#endif |