RE: SDL-News: Recursive Procedure in SDL


Subject: RE: SDL-News: Recursive Procedure in SDL
From: VINCENT Daniel FTRD/DTL/LAN (daniel.vincent#rd.francetelecom.com)
Date: Wed Apr 10 2002 - 07:08:20 GMT


Just one thing :

In our models, we never used recursive procedures (I am not sure that they
are supported by the tools), but we used recursive operators (and this is
allowed at least in the ObjectGeode tool).

> -----Message d'origine-----
> De : Yuchen Zhang [mailto:zhang#stc.corp.mot.com]
> Envoye : mardi 9 avril 2002 18:10
> A : sdlnews#sdl-forum.org
> Objet : SDL-news: Recursive Procedure in SDL
>
>
> Become an SDL Forum Society member
> <http://www.sdl-forum.org/Society/members.htm>
> The originator of this message is responsible for its content.
> -----From Yuchen Zhang <zhang#stc.corp.mot.com> to sdlnews -----
>
> Hello,
>
> I post a message about recursive procedure in SDL awhile ago,
> but didn't
> get much reply, so I'd like to give it a try again. And this
> time, I will
> try to be more specific.
>
> SDL supports recursive procedures, but I have not encountered
> any models
> using them. There is a theory I heard that it's because
> faulty recursive
> procedures may crash the whole system through over-flowing
> the stack while
> faulty iterations may just lock up one process. The theory is
> debatable
> as far as I can see. And now that recursive procedures in SDL
> is not going
> away any time soon (as far as I know), I was wondering why
> are recursive
> procedures not used, or (hopefully) I am just missing out a
> whole world
> out there using SDL recursive procedures. Thanks.
>
> Best,
>
> Yuchen Zhang
>
> --End text from Yuchen Zhang <zhang#stc.corp.mot.com> to sdlnews ---
> For extra SDL Forum Society benefits join at
> <http://www.sdl-forum.org/Society/members.htm>
> For help, email "majordomo#sdl-forum.org" with the body of
> your email as:
> help
> or (iff this does not answer your question) email:
> owner-sdlnews#sdl-forum.org
>

RE: SDL-News: Recursive Procedure in SDL

Just one thing :

In our models, we never used recursive procedures (I am not sure that they are supported by the tools), but we used recursive operators (and this is allowed at least in the ObjectGeode tool).

> -----Message d'origine-----
> De : Yuchen Zhang [mailto:zhang#stc.corp.mot.com]
> Envoye : mardi 9 avril 2002 18:10
> A : sdlnews#sdl-forum.org
> Objet : SDL-News: Recursive Procedure in SDL
>
>
> Become an SDL Forum Society member
> <http://www.sdl-forum.org/Society/members.htm>
> The originator of this message is responsible for its content.
> -----From Yuchen Zhang <zhang#stc.corp.mot.com> to sdlnews  -----
>
> Hello,
>
> I post a message about recursive procedure in SDL awhile ago,
> but didn't
> get much reply, so I'd like to give it a try again. And this
> time, I will
> try to be more specific.
>
> SDL supports recursive procedures, but I have not encountered
> any models
> using them. There is a theory I heard that it's because
> faulty recursive
> procedures may crash the whole system through over-flowing
> the stack while
> faulty iterations may just lock up one process. The theory is
> debatable
> as far as I can see. And now that recursive procedures in SDL
> is not going
> away any time soon (as far as I know), I was wondering why
> are recursive
> procedures not used, or (hopefully) I am just missing out a
> whole world
> out there using SDL recursive procedures. Thanks.
>
> Best,
>
> Yuchen Zhang
>
> --End text from Yuchen Zhang <zhang#stc.corp.mot.com> to sdlnews ---
> For extra SDL Forum Society benefits join at
> <http://www.sdl-forum.org/Society/members.htm>
> For help, email "majordomo#sdl-forum.org" with the body of
> your email as:
>     help
> or (iff this does not answer your question) email:
> owner-sdlnews#sdl-forum.org
>

--End text from VINCENT Daniel FTRD/DTL/LAN to sdlnews --- For extra SDL Forum Society benefits join at



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