Thanks, Henry! I corrected the type codes and after a bit more hacking, I now have a working terminal package for both windows and linux!
Next step: make it an addon... On Sun, Jul 18, 2021 at 11:21 AM Henry Rich <henryhr...@gmail.com> wrote: > All I see is that you have declared types s (2-byte value) where > Microsoft says there should be a DWORD - isn't that a 4-byte value? > > Henry Rich > > On 7/18/2021 11:09 AM, Michal Wallace wrote: > > As I mentioned yesterday, I'm working on a terminal interface for J. > > I have it working well on linux [1], but windows is giving me trouble. > > > > I'm basically calling two DLL functions: > > > > NB. https://docs.microsoft.com/en-us/windows/console/readconsoleinput > > ReadConsoleInput =: 'kernel32 ReadConsoleInputA b x *s s *s'&cd > > > > NB. https://docs.microsoft.com/en-us/windows/console/writeconsole > > WriteConsole =: 'kernel32 WriteConsoleA b x *c s *s'&cd > > > > And they work great... sometimes... And then other times they just crash > J. > > > > For example, here I am just manually emitting the terminal escape code > that > > triggers the console to report the cursor coordinates. It works a couple > > times, and then it crashes: > > > > JVERSION > > Engine: j902/j64avx2/windows > > Release-b: commercial/2021-02-18T12:07:41 > > Library: 9.02.08 > > Platform: Win 64 > > Installer: J902 install > > InstallPath: c:/program files/j902 > > Contact: www.jsoftware.com > > > > load'd:/ver/b4/j/vt.ijs' > > {{ 2}. wfc'R' [ puts CSI,'6n' }}'' > > 12;1 > > {{ 2}. wfc'R' [ puts CSI,'6n' }}'' > > 14;1 > > {{ 2}. wfc'R' [ puts CSI,'6n' }}'' > > 16;1 > > {{ 2}. wfc'R' [ puts CSI,'6n' }}'' > > > > [process exited with code 3221225477] > > > > > > ('puts' is passing a string to WriteConsole, and 'wfc' basically calls > > ReadConsoleInput repeatedly... until the given character is passed in.) > > > > Any idea what could be going wrong here? > > > > The full code is here: > > > https://github.com/sabren/b4/blob/6e2c87b2b2b87be88b0f8995d0f84e5f7afd7d92/j/vt.ijs > > > > > > [1] animated demo of linux version: https://imgur.com/gallery/QYrgkPj > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > -- > This email has been checked for viruses by AVG. > https://www.avg.com > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
