[lldb-dev] SB API questions

Raphael Isemann via lldb-dev lldb-dev at lists.llvm.org
Sat May 29 08:57:21 PDT 2021

I think patches are always welcome and I don't see any problems with
the proposed new API (haven't really checked though if they are all
unavailable* through the SB API). The only downside to extending the
SB API is that we have to maintain it forever. So if we add an API
then it should be abstract enough that it doesn't restrict future
development of LLDB too much. Future development = internal
refactoring or porting to new platforms.

And I think the best way to propose a new API is maybe just making a
dummy patch that adds the API + documentation (doesn't need an actual
implementation or tests). And if everyone agrees the new API is fine
you can add the tests and implementation. By making a patch you also
automatically get everyone subscribed to your patch via Herald rules
or people reading the mailing list.

If you don't want to make patches, I think bug reports on
bugs.llvm.org could also work. Most of the thing you describe sound
like they don't need a lot of effort to implement/test, so there's a
good chance someone will implement it for you.

- Raphael

*Without falling back to the CommandInterpreter

Am Sa., 29. Mai 2021 um 11:12 Uhr schrieb Bruce Mitchener via lldb-dev
<lldb-dev at lists.llvm.org>:
> Hello,
> I've recently been working on and with my Rust bindings to the public LLDB API after a break of a couple of years.
> A couple of things that I'm noticing or re-noticing:
> We need more SB API coverage of logging functionality. We can't list channels, categories via the SB API. We also don't have a call for disabling log output once it has been enabled. These seem fairly straightforward to add.
> While the underlying platform objects support finding processes, this isn't exposed to the SB API, so there's no way to get a nice list of the running processes using only the SB API. Has anyone looked at this or thought about the API?
> It would be helpful in some cases, especially with the above, to extend SBProcessInfo to include arguments / argv, environment, and architecture. These are already present in the underlying data, just not exposed via SBProcessInfo.
> Any thoughts or objections on the above? Would patches be welcome?
> Are there others using the SB API a lot that might be willing to discuss this sort of stuff more?
>  - Bruce
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