* Need help with DIALOG
@ 2002-04-18 4:35 Jukka-Pekka Suominen
2002-04-18 19:02 ` Stephen Leake
0 siblings, 1 reply; 2+ messages in thread
From: Jukka-Pekka Suominen @ 2002-04-18 4:35 UTC (permalink / raw)
Hi!
Before you ask, yes, this is a homework assignment, but I've only been
learning ada for a few days, so I would appreciate some help. Anyway, the
assignment is as follows. You have a simple conversation between two
processes as illustrated below. Show how this can be constructed as a
colloquy (which I get explained as being dialog statements combined with
select).
the code:
x, y, z : integer;
process B;
process A;
begin
...
action conversation with ( B ) do
ensure A_acceptance_test
by
-- A_primary
-- uses x, y
else by
-- A_secondary
-- uses y, z
else
error
end conversation;
...
end A;
process B;
begin
...
action conversation with ( A ) do
ensure B_acceptance_test
by
-- B_primary
-- uses x, y
else by
-- B_secondary
-- uses y, z
else
error
end conversation;
...
end B;
And here's what I managed to throw together. Is it anywhere near how it
should be done?
x, y, z : integer;
DIALOG the_dialog SHARES (x, y, z);
process B;
process A;
begin
SELECT
DISCUSS the_dialog BY
-- something involving x, y
TO ARRANGE A_acceptance_test;
OR
DISCUSS the_dialog BY
-- something involving y, z
TO ARRANGE A_acceptance_test;
ELSE
-- error handling
END SELECT;
END A;
process B;
begin
SELECT
DISCUSS the_dialog BY
-- something involving x, y
TO ARRANGE B_acceptance_test;
OR
DISCUSS the_dialog BY
-- something involving y, z
TO ARRANGE B_acceptance_test;
ELSE
-- error handling
END SELECT;
END B;
Any helps would be greatly appreciated.
--
Jukka-Pekka Suominen Assembler is for wimps!
�bo Akademi - MNF/IB *Real* programmers flip switches!
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Need help with DIALOG
2002-04-18 4:35 Need help with DIALOG Jukka-Pekka Suominen
@ 2002-04-18 19:02 ` Stephen Leake
0 siblings, 0 replies; 2+ messages in thread
From: Stephen Leake @ 2002-04-18 19:02 UTC (permalink / raw)
Jukka-Pekka Suominen <jukka-pekka.suominen@abo.fi> writes:
> Hi!
> Before you ask, yes, this is a homework assignment, but I've only been
> learning ada for a few days, so I would appreciate some help. Anyway, the
> assignment is as follows. You have a simple conversation between two
> processes as illustrated below. Show how this can be constructed as a
> colloquy (which I get explained as being dialog statements combined with
> select).
The code you posted is _not_ Ada. Have you got the right newsgroup?
Maybe it's some sort of psuedo-code that you are supposed to translate
into Ada. That's nice, but since I don't know the meaning of the
psuedo-code reserved words, I can't help
>
>
> the code: <snipped>
--
-- Stephe
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