[fpc-pascal] Implementation of variant records
Marco van de Voort
fpc at pascalprogramming.org
Fri Jul 5 12:27:09 CEST 2019
Op 2019-07-05 om 11:49 schreef Bernd Oppolzer:
> IMO, the variants in a variant record should always overlay correctly
> (like unions in C),
> so the variant part should start at offset 32 in this case, and this
> is where all three
> variants should start.
This is not a guarantee case in the Pascal language, afaik many old
compilers don't even try, but make fields sequential.
As soon as you have expections of overlaying, you are dialect and
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