[lkb] Getting Parse results from LKB

[Bernhard Fisseni]

Hi Stephan,

thanks very much for the unofficial server/client scripts.  I'll play a 
bit with them this week; they're probably more trustworthy than my LISP 
system hacking would be for the moment.

Cheers,
Bernhard

Scripsit Stephan Oepen diē 17.10.2006 9:41:
> hi again, bernhard,
> 
>> Unsetting DISPLAY does not work for me — LKB generates an error
>> message saying that the display cannot be accessed; with DISPLAY set,
>> a graphic tree is shown, even for "do-parse-tty".
> 
> apologies, i now see that the LKB with DISPLAY unset does not work the
> way i thought it would.  we should try fixing that at some point, i.e.
> essentially drop back into tty mode when there is no DISPLAY (on Un*x).
> 
> i believe getting SBCL to work with GG seems like your best option for
> now.  however, your query (and the one by shuly) prompted me to dig up
> some old notes on the undocumented LSP (linguistic server protocol) in
> the LKB.  essentially, there is a way of talking an ASCII protocol to
> the LKB over a socket connection.  
> 
> the protocol is old-fashioned: sequences of strings (with C escapes),
> numbers, and symbols (say in C identifier syntax) for now.  a command
> is terminated by a form feed character.  optionally, commands can be
> prefixed with `wait' to request synchronous execution.  this mode is
> required for all commands that expect (a) return value(s).  for each
> command (synchronous or not), the client will see a numerical success
> code (preceded by whatever else the command returned) plus a trailing
> form feed (to allow both ends to synchronize cleanly).  a preliminary
> list of (non-)success codes is at the top of `lkb/src/glue/lsp.lsp'.
> 
> if you wanted to experiment, please see `lsp.lsp'.  i just confirmed
> that basic functionality (parsing inputs and retrieving parse tree(s),
> AVM(s), or MRS(s)) is there.  assuming a functional LKB installation,
> try the following:
> 
>   - launch the `server' script attached below; this should initialize
>     an LKB sans-GUI, load the ERG, and go into LSP server mode.
> 
>   - create a socket connection to port 4712 and send commands from the
>     file `client' attached below.  if you have nc(1) installed, simply
> 
>       cat /tmp/client - | /usr/bin/nc localhost 4712
> 
> however, LSP currently only works with Allegro CL, i.e. you would have
> to rely on our pre-compiled binaries for the above.  also, please note
> that LSP remains officially unsupported for the time being :-).
> 
>                                                           best  -  oe
> 
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> +++ Universitetet i Oslo (IFI); Boks 1080 Blindern; 0316 Oslo; (+47) 2284 0125
> +++     CSLI Stanford; Ventura Hall; Stanford, CA 94305; (+1 650) 723 0515
> +++       --- oe at csli.stanford.edu; oe at ifi.uio.no; stephan at oepen.net ---
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 


-- 
Bernhard Fisseni
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