Re: WIP Incremental JSON Parser

On Mon, Mar 25, 2024 at 7:12 PM Jacob Champion <
jacob(dot)champion(at)enterprisedb(dot)com> wrote:

> On Mon, Mar 25, 2024 at 4:02 PM Andrew Dunstan <andrew(at)dunslane(dot)net>
> wrote:
> > Well, what's the alternative? The current parser doesn't check stack
> depth in frontend code. Presumably it too will eventually just run out of
> memory, possibly rather sooner as the stack frames could be more expensive
> than the incremental parser stack extensions.
>
> Stack size should be pretty limited, at least on the platforms I'm
> familiar with. So yeah, the recursive descent will segfault pretty
> quickly, but it won't repalloc() an unbounded amount of heap space.
> The alternative would just be to go back to a hardcoded limit in the
> short term, I think.
>
>
>
OK, so we invent a new error code and have the parser return that if the
stack depth gets too big?

cheers

andrew