Re: [PATCH v2 0/2] MI: Add new command -complete

[Jan Vrany <jan dot vrany at fit dot cvut dot cz>]

On Wed, 2019-03-06 at 17:45 +0200, Eli Zaretskii wrote:
> > From: Jan Vrany <jan.vrany@fit.cvut.cz>
> > Cc: gdb-patches@sourceware.org, "gdb@sourceware.org" <gdb@sourceware.org>
> > Date: Wed, 06 Mar 2019 15:09:33 +0000
> > 
> > > > 1) Completion CLI is AFAIK implemented using readline which has problems 
> > > >    working over pipes. Actually, I never got CLI working satisfactorily
> > > >    on Windows even when I just run GDB "normally" from Windows command shell (`cmd.exe`),
> > > >    let alone over pipes or alike. 
> > > 
> > > Curious.  AFAIK native Windows gdb over cmd.exe should work fine.
> > 
> > Maybe I just don't know how to compile it properly. I have just compiled
> > fresh c3734e093aab1ce from git (only with this patch 
> > https://sourceware.org/ml/gdb-patches/2018-10/msg00614.html to make it compile
> > with Python 3) using using MSYS2 MINGW64 toolchain on Windows 10. 
> > This is the exact configure command:
> > 
> > bash ../configure --build=x86_64-w64-mingw32 --disable-werror --with-guile=no --with-python=C:\msys64\mingw64\bin\python3 --enable-targets="i686-w64-mingw32,x86_64-w64-mingw32"
> > 
> > Completion by tab seem to work. 
> > 
> > Backspace practially does not, it deletes the character in the line 
> > buffer (presumably) but not on the screen. Instead, it moves the caret 
> > one character on the right. Therefore what use see on the screen is not 
> > what it sent to GDB when she presses enter. 
> > 
> > Moving cursor by left arrow followed by typing has similar issues. 
> > Same for delete. Same for pressing Ctrl-R for searching the history. 
> 
> How did you invoke GDB from cmd.exe, to make these problems appear?
> Can you show your exact invocation command line?

Just like:

H:\Projects\gdb\master\build-x86_64-msys2\gdb>gdb.exe

HTH, 

Jan