Re: Prevalence of Compilers for Which Integer'Size < 32?

[steved@pacifier.com@199.2.117.163 (Steve Doiel)]

Dave Marshall writes:
>My specific question revolves around something such as this example
>that you'll find in a lot of time-handling packages.
>
>type Seconds_In_A_Day is range 0 .. 86_400;
>
>This is going to work fine for compilers for which Integer'Size is 32,
>but it will fail for compilers for which Integer'Size = 16.  Of
>course, this is because the above statement is equivalent to
>
>type some_anonymous_integer_type is new Integer;
>subtype Seconds_In_A_Day is some_anonymous_integer_type range 0 ..86400;
>
>If Integer'Last is 65535, ka-bloowie.

I certainly do not expect this behaviour.  I expect the compiler to choose a
suitably sized integer representation (perhaps a long integer) to represent the
range given.  If no such representation exists then I expect some sort of a
"not supported by this implemetation" error.

Steve Doiel