[fpc-pascal] Translate C to Pascal

[Mattias Gärtner]

Zitat von Vinzent Höfler <JeLlyFish.software at gmx.net>:

> Mattias Gärtner wrote:
> > Zitat von Vinzent Höfler <JeLlyFish.software at gmx.net>:
> >
> >> [...]
> >>>>>   a: record end;
> >>> Thanks. I will use that.
> >> What for? The C statement is empty, it's not a variable and not even a
> >> type. So before translating that into an empty Pascal-record, you should
> >> rather look at what the actually used structur in the C-code is.
> >
> > Actually the C-Code does what C can do really good: obfuscating.
>
> Yeah.
>
> > If I understand the code correct, the 'struct a;' itself is never used
> directly.
> > It always uses 'struct a* foo'. So foo is a pointer to an empty struct
> > a, which probably is the C equivalent of a typed pointer. To get strong
> type
> > checking, I guess, it is ok to follow Felipe's advice:
> >
> > type a = record end; pa=^a;
>
> Well, I guess so, but it still doesn't make a lot of sense.
>
> That "struct a" is not empty (storage size = 0), it is even non-existant
> (storage size = unknown). So the C-code may shuffle around the pointers,
> but unless this "struct a" (the "a" not even being a type here) is
> instantiated somewhere (internally in some library code?) such pointers
> are merely typed "void*".

The c compiler does not need the internals, so should the pascal bindings.


Mattias