[lldb-dev] LLDB problem with TAB

[Jim Ingham via lldb-dev]

It sounds like you aren’t getting completion anywhere, both in the python interpreter and in the regular lldb command line interpreter, is that right?  If so, then it’s most likely you didn’t get link with libedit, which is what provides the tab completion, command line editing and the like.  You can easily tell by attaching to your lldb with another lldb and running “image list”.  You should see libedit in the list.  If you don’t then that’s your problem…  Without libedit support lldb just thinks it is talking to a dumb terminal, and can’t do anything smart with user input.

The lldb CMakery will try to find and use lib edit from your system.  There are also cmake variables that control whether to link in libedit and where to find it.  Anyway, likely something went wrong there.

Jim

> On Mar 17, 2020, at 2:39 AM, Rui Hong via lldb-dev <lldb-dev at lists.llvm.org> wrote:
> 
> Hi LLDB devs,
> 
> First I want to thank you all for the very helpful advice on my former question! It's a really nice community.
> 
> I have a small problem now about LLDB tab completion and I haven't found any solutions so far. I used to have nice tab completion before. But I cannot get this feature to work on my LLDB 7.0.1 on linux after I enable python, where an actual tab is inserted after the cursor and similar for other control characters like Backspace. Both in lldb console and the embedded python interpreter：
> <3203DB14 at DEF03B5E.C19A705E.jpg>
> That's very inconvenient. Is there anything wrong? I haven't changed the code at all, just added some necessary parameters in cmake command to enable python. Things worked well even last week before rebuild with python
> 
> Kind regards,
> Rui
> 
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