"Marko Kreen" <markokr(at)gmail(dot)com> writes:
> On 5/15/08, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> "Marko Kreen" <markokr(at)gmail(dot)com> writes:
>>> Eg. how does src/backend/parser/gram.c not leak memory on syntax error?
>>
>> It's not a leak because the memory can be re-used during the next
>> command.
> I may be blind, but I don't see any static variables there.
Sorry, I was confusing bison with flex --- there are static variables
pointing at buffers within a flex scanner.
For bison it looks like defining YYSTACK_ALLOC/YYSTACK_FREE as
palloc/pfree might be a sane thing to do, but I haven't tested it.
regards, tom lane