Re: Storage space question

["Pat Rogers" <progers@NOclasswideSPAM.com>]

Marin David Condic wrote in message <366FE278.FAF73497@pwfl.com>...
>Craig Allen wrote:
>>
>> Hello!
>>
>> the short version of my question is this:  If I'm using
enumerations
>> to define names that will represent specific bit patterns that my
program
>> may wish to use, do *all* these bit patterns allocate space? e.g.
with
>> this:


<snip>

>In general, a type does not require any space. Only when you
declare
>objects of the type is memory allocated. However, the rules of Ada
>require that certain information be available at run time
concerning a
>type, which means the compiler has to keep that information
somewhere -
>hence memory utilization. Remember that for a given enumeration
type T,
>Ada has a function T'Image which has to return the character string
>associated with the given value (id est, "CARRIER_DETECT",
>"SYNC_DETECT", etc.) I don't think that the representation clauses
would
>have any impact on storage, but maybe one of the compiler-writers
in the
>crowd can fill us in.


See RM C.5(1) re: pragma Discard_Names

>"Transported to a surreal landscape, a young girl kills the first
woman
>she meets and then teams up with three complete strangers to kill
>again."
>
>        -- TV listing for the Wizard of Oz

:-)