[REBOL] Re: TUPLE! DATA-MODEL & OTHER VALUES
From: larry:ecotope at: 13-Jun-2001 12:54
Hi Karl,
You wrote:
> I've written a C++ class to read REBOL code as values and now my own
> REBOL-like language. I'm pretty sure I have a handle on how REBOL stores
> values.
>
> My basic value is something like this:
>
> struct Value {
> DatatypeReference type;
> union data {
> int integer;
> double decimal;
> bool logic;
> char tuple[10];
> Block* block;
> String* string;
> // etc...
> };
> };
>
> For REBOL the sizeof(Value) seems to be 16 bytes. As you can see, adding
any
> simple data type to a block (array of Values) will not increase its size
as
> the data is stored in the value. I hope this helps you to visualize what
may
> be going on.
Thanks for sharing your insights. BTW do your "values" incorporate, in the
case of blocks, the current index as described by Holger in his recent post.
> -Karl
>
> P.S. Opps, I just realized I have assumed you are a C programmer!
Yes, I am familiar with C and C++ although not using them much at the
present time.
-Larry