Re: error recovery

[Bruno H. <br...@cl...>]

Sam wrote:
> what I meant was to add a declaration, like (declare (exitable)), which
> will default to ON on x86 and OFF elsewhere which will add the
> necessary instrumentation to the function and enable returning from it
> on error.  then COMPUTE-RESTARTS will need to somehow detect these
> EXITABLE functions in the backtrace...

Ah, I see. Clever idea. You can also use the standardized declaration
(declare (optimize (debug 3))) instead of (declare (exitable)).

> I have no idea what setjmp/longjmp are and how they work &c &c.

The thing you proposed does not involve setjmp. It's a pure compiler.lisp
change. You can do it.

Bruno