Re: "Back & Forth" - Local variables

On 11-03-2025 12:25, albert@spenarnc.xs4all.nl wrote:

The `;: is present in colorforth. I drew (decennia ago) that it is
equivalent to my `CO.
Maybe a colorforth expert can explain what `;: does, if it is not
the same as `CO.
 For the record. ;: is Moore. CO is mine.

Actually, when inlining, ;: can be replaced by EXECUTE if and only if the reference on the Return Stack constitutes a valid xt in the Forth variant. YIELD (aka CO if I'm not mistaken) can be inlined as R> EXECUTE (under the same conditions).
Since the LOCAL definition has already moved the return address to the data stack, ;: works.. In an earlier version I moved the return address back to the return stack and executed YIELD. Which (of course) worked. So they're not that far apart IMHO.
Hans Bezemer