Added boost header
This commit is contained in:
Christophe Riccio
215
test/external/boost/msm/front/state_machine_def.hpp
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test/external/boost/msm/front/state_machine_def.hpp
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// Copyright 2008 Christophe Henry
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// henry UNDERSCORE christophe AT hotmail DOT com
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// This is an extended version of the state machine available in the boost::mpl library
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// Distributed under the same license as the original.
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// Copyright for the original version:
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// Copyright 2005 David Abrahams and Aleksey Gurtovoy. Distributed
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// under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_MSM_FRONT_STATEMACHINE_DEF_H
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#define BOOST_MSM_FRONT_STATEMACHINE_DEF_H
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#include <exception>
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#include <boost/assert.hpp>
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#include <boost/mpl/vector.hpp>
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#include <boost/msm/row_tags.hpp>
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#include <boost/msm/back/common_types.hpp>
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#include <boost/msm/front/states.hpp>
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#include <boost/msm/front/completion_event.hpp>
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#include <boost/msm/front/common_states.hpp>
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namespace boost { namespace msm { namespace front
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{
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template<class Derived,class BaseState = default_base_state>
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struct state_machine_def : public boost::msm::front::detail::state_base<BaseState>
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{
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// tags
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// default: no flag
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typedef ::boost::mpl::vector0<> flag_list;
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//default: no deferred events
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typedef ::boost::mpl::vector0<> deferred_events;
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// customization (message queue, exceptions)
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typedef ::boost::mpl::vector0<> configuration;
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typedef BaseState BaseAllStates;
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template<
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typename T1
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, class Event
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, typename T2
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, void (Derived::*action)(Event const&)
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>
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struct a_row
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{
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typedef a_row_tag row_type_tag;
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typedef T1 Source;
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typedef T2 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static ::boost::msm::back::HandledEnum action_call(FSM& fsm,Event const& evt,SourceState&,TargetState&, AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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(fsm.*action)(evt);
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return ::boost::msm::back::HANDLED_TRUE;
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}
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};
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template<
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typename T1
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, class Event
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, typename T2
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>
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struct _row
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{
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typedef _row_tag row_type_tag;
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typedef T1 Source;
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typedef T2 Target;
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typedef Event Evt;
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};
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template<
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typename T1
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, class Event
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, typename T2
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, void (Derived::*action)(Event const&)
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, bool (Derived::*guard)(Event const&)
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>
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struct row
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{
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typedef row_tag row_type_tag;
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typedef T1 Source;
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typedef T2 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState, class AllStates>
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static ::boost::msm::back::HandledEnum action_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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(fsm.*action)(evt);
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return ::boost::msm::back::HANDLED_TRUE;
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}
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static bool guard_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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return (fsm.*guard)(evt);
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}
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};
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template<
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typename T1
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, class Event
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, typename T2
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, bool (Derived::*guard)(Event const&)
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>
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struct g_row
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{
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typedef g_row_tag row_type_tag;
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typedef T1 Source;
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typedef T2 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static bool guard_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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return (fsm.*guard)(evt);
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}
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};
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// internal transitions
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template<
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typename T1
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, class Event
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, void (Derived::*action)(Event const&)
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>
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struct a_irow
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{
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typedef a_irow_tag row_type_tag;
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typedef T1 Source;
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typedef T1 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static ::boost::msm::back::HandledEnum action_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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(fsm.*action)(evt);
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return ::boost::msm::back::HANDLED_TRUE;
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}
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};
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template<
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typename T1
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, class Event
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, void (Derived::*action)(Event const&)
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, bool (Derived::*guard)(Event const&)
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>
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struct irow
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{
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typedef irow_tag row_type_tag;
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typedef T1 Source;
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typedef T1 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static ::boost::msm::back::HandledEnum action_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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(fsm.*action)(evt);
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return ::boost::msm::back::HANDLED_TRUE;
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}
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static bool guard_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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return (fsm.*guard)(evt);
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}
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};
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template<
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typename T1
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, class Event
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, bool (Derived::*guard)(Event const&)
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>
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struct g_irow
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{
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typedef g_irow_tag row_type_tag;
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typedef T1 Source;
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typedef T1 Target;
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typedef Event Evt;
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template <class FSM,class SourceState,class TargetState,class AllStates>
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static bool guard_call(FSM& fsm,Event const& evt,SourceState&,TargetState&,AllStates&)
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{
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// in this front-end, we don't need to know source and target states
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return (fsm.*guard)(evt);
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}
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};
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// internal row withou action or guard. Does nothing except forcing the event to be ignored.
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template<
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typename T1
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, class Event
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>
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struct _irow
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{
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typedef _irow_tag row_type_tag;
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typedef T1 Source;
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typedef T1 Target;
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typedef Event Evt;
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};
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protected:
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// Default no-transition handler. Can be replaced in the Derived SM class.
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template <class FSM,class Event>
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void no_transition(Event const& ,FSM&, int state)
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{
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BOOST_ASSERT(false);
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}
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// default exception handler. Can be replaced in the Derived SM class.
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template <class FSM,class Event>
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void exception_caught (Event const&,FSM&,std::exception& )
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{
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BOOST_ASSERT(false);
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}
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};
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} } }// boost::msm::front
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#endif //BOOST_MSM_FRONT_STATEMACHINE_DEF_H
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