Re: why are calls to libstdc++ being handled by python?

["Linda A. Walsh" <gcc at tlinx dot org>]

Jonathan Wakely wrote:
> On 10 July 2014 13:32, Linda A. Walsh wrote:
> > Linda A. Walsh wrote:
> > > This looks very odd.
> > It occurred to me that gdb might be written in python
> > and it is having problems with ... ???  well not sure
> > why it should have problems deciphering a traceback
> > through libstdc++?  So still a bit lost...
>
> GDB has an (optional) Python API which is used by libstdc++ to provide
> pretty printing of std::lib types and values, as well as filtering
> names in stack frames (e.g. to replace std::basic_string<char,
> std::char_traits<char>, std::allocator<char>> with std::string which
> is much easier to read).
----
Ahh.....
> Unfortunately, sometimes when debugging you sometimes have garbage
> data in your stack, and so when Python tries to improve the output it
> gets confused by the garbage.
====
Maybe it should be quiet by default?  (I.e. unless someone wants
to see python error output?  It adds a bit of confusion...

It is repeatable garbage in this case.  Though it likely won't be
"soon"... (rewriting the algorithm involved).

Thanks for the explanation.