On Fri, Aug 26, 2022 at 9:28 AM <[email protected]> wrote: > *error-hook* is only called if there is no catch; it resets the s7 stack > when it returns, so you're back at the top level. My first thought is > that you need a catch in convert.scm where you do the s7_call. Maybe > I have the wrong model of what's happening. > > The s7 stack can be viewed via (*s7* 'stack); it is independent of the > C stack (I assume that's what you're seeing with backtrace). I don't > think the GC is the culprit. s7_show_stack can give an abbreviated > view of the s7 stack from C (you'll need a declaration -- it's not > in s7.h, but it is accessible globally -- I thought of it as a > debugging aid -- (*s7* 'stack) is sometimes very verbose). > > Thanks, that should be enough for further debugging. I had completely overlooked the s7 stack as distinct from the C stack. Pretty sure at this point it's a matter of getting my error management house in order. Which I needed to to anyway; like a lot of stuff there's a (large) element of seat-of-the-pants, hack it till it seems to work and move on. Actually understanding How Things Work is sometimes useful, I find. ;)
Gregg
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