Re: [boost] [msm] on_entry must be implemented for every initial events for every states in substatemachines.

Subject: Re: [boost] [msm] on_entry must be implemented for every initial events for every states in substatemachines.
From: Richard Szabo (sz.richard_at_[hidden])
Date: 2010-09-01 15:24:13

Hi Christophe

Oh yes wrong file attached I have no luck with attachment recently :(.

I will resend the post tomorrow morning in CET time. ( I have it in
the office only and I have left it already )

Sorry about that. :(.

Br.
Richie

On 1 September 2010 19:34, Christophe Henry
<christophe.j.henry_at_[hidden]> wrote:
>> Hi All
>>
>> In the following little example see attachment,
>> I have a problem that in the RunningStateMachine::State2 the on_entry
>> function must be implemented with event1 and with event3 as well
>> but from the logic point of view there is no possibility to call
>> on_entry in RunningStateMachine::State2 with event1.
>>
>> actually at runtime there is no call is happening to to the function :
>> void on_entry(event1 const&,FSM& ) {std::cout << "entering:
>> State2:Event1" << std::endl;}
>>
>> but it must be defined and even implemented ( if no implementation
>> provided linker error occurs).
>>
>> Is it a restriction/bug or I'm missing something ?
>> It is only happening with initial events for substatemachines ?
>> Or is there a kind of pattern to know what events can enter exit a
>> state in a top of the ones present in the transition tables ?.
>>
>> Br.
>> Richie
>
> Hi,
>
> I don't find this entry function or a State2. Am I missing something
> or did you attach the wrong file?
>
> Regards,
> Christophe
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