Re: Using C as a back end

Tom Payne at thp@cs.ucr.edu wrote on 10/31/00 12:39 PM:


> For many applications, indirect jumps (computed gotos) are essential.
> gcc allows a program to load a label L into a void* pointer p via the
> expression p=&&L. One can then goto L via the statement goto *p;
> There are, however, ways to fake this sort of thing in Standard C/C++
> by using a switch statement.
>
> Tom Payne
> [Once again, an indirect jump is, in Fortran-ese, an assigned goto.
> Or if you speak Cobol, it's an ALTERed goto. -John]


In Tom's defense, I'd point out that you could create an array of
these pointers and do the equivalent of a FORTRAN assigned GOTO
by indexing into the array. Arguably a bit more flexible than
a switch statement.
Randy Hyde

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