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- /*=============================================================================
- Copyright (c) 2003 Jonathan de Halleux (dehalleux@pelikhan.com)
- http://spirit.sourceforge.net/
- 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)
- =============================================================================*/
- #ifndef BOOST_SPIRIT_ACTOR_INCREMENT_ACTOR_HPP
- #define BOOST_SPIRIT_ACTOR_INCREMENT_ACTOR_HPP
- #include <boost/spirit/home/classic/namespace.hpp>
- #include <boost/spirit/home/classic/actor/ref_actor.hpp>
- namespace boost { namespace spirit {
- BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
- ///////////////////////////////////////////////////////////////////////////
- // Summary:
- // A semantic action policy that calls the ++ operator on a reference.
- // (This doc uses convention available in actors.hpp)
- //
- // Actions:
- // ++ref;
- //
- // Policy name:
- // increment_action
- //
- // Policy holder, corresponding helper method:
- // ref_actor, increment_a( ref );
- //
- // () operators: both.
- //
- // See also ref_actor for more details.
- ///////////////////////////////////////////////////////////////////////////
- struct increment_action
- {
- template<
- typename T
- >
- void act(T& ref_) const
- {
- ++ref_;
- }
- };
- ///////////////////////////////////////////////////////////////////////////
- // helper method that creates a increment_actor.
- ///////////////////////////////////////////////////////////////////////////
- template<typename T>
- inline ref_actor<T,increment_action> increment_a(T& ref_)
- {
- return ref_actor<T,increment_action>(ref_);
- }
- BOOST_SPIRIT_CLASSIC_NAMESPACE_END
- }}
- #endif
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