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Subject: Re: [Boost-users] [msm] EUML submachine without macro
From: rayg (ray_at_[hidden])
Date: 2011-06-23 10:16:11

Hi Christophe,

I have an addition question regarding the pseudo exit point.

The following code adds a pseudo exit point to your
CompositeTutorialWithEumlTable.cpp example:

// Exit event
struct exit_impl : msm::front::euml::euml_event<exit_impl>{};
exit_impl ev_exit;
// Submachine
struct _Playing : public msm::front::state_machine_def<_Playing >
    // Pseudo exit state
    struct Exit_ : public msm::front::exit_pseudo_state<exit_impl>
                      , public msm::front::euml::euml_state<Exit_> {};
    static Exit_ Exit;
        Exit == Song1 + ev_exit
    ),transition_table )

I'm in doubt what should be stated in the main machine's transition table.
The Stopped state is never reached when this line is used:

   Stopped == exit_pt_(Playing , _Playing::Exit) + ev_exit

However, this entry works:

   Stopped == Playing + ev_exit

Could you please clarify what should be actually entered.

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