Thank you, that=E2=80=99s great information!

What=E2=80=99s the =E2=80=9Cexport XML=E2=80=9D?

Am Di., 4. Feb.= 2020 um 19:09=C2=A0Uhr schrieb Henning Hraban Ramm <texml@fiee.net>:

> Am 2020-02-04 um 16:45 schrieb Philipp A. <flying-sheep@web.de>:
>
> Language servers are the new big deal in editor and IDE development: <= a href=3D"https://langserver.org/" rel=3D"noreferrer" target=3D"_blank">htt= ps://langserver.org/
>
> It would be cool to have a ConTeXt one for autocompletion (for ConTeXt= : command names, \cite IDs, labels, named parameters, =E2=80=A6), go-to-def= inition, hover information (docs about a command) and so on.
> The way it works is that you have a server process that is the source = of truth for all this information, and the editor passes requests to it. > The editor tells the server when it opens/closes files and when the us= er requests something of the above.
>
> The way I=E2=80=99d implement it in ConTeXt is to keep a list of open = ConTeXt projects in the server (obtained by following \include, \component,= \product, \environment, \project).
> Now my questions begin:
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 Then I=E2=80=99d make context load= the project without compiling it to a PDF but make it execute some Lua (ho= w do I do this?)
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 I=E2=80=99d need a way to get all = available commands with their signatures into Lua. I assume this is done he= re, but how? http://www.pragma-ade.nl/general/qrcs= /setup-en.pdf

Look for the interface files i-*.xml

>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 Optimally, for hover information a= nd completion, I=E2=80=99d want some help/doc text for each command that ha= s some. Is there a way to get it?

No, there isn=E2=80=99t. It could be in the interface files if someone woul= d put in the work.

>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 Optimally, for label autocompletio= n, I=E2=80=99d also like a list of defined labels. Since I played around wi= th bibliographies I already know how to query the bibliography DB from Lua.=
>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 Optimally I=E2=80=99d also want so= me parse tree of each document, but I assume the way macros work, this does= n=E2=80=99t exist? This would make things easier that I=E2=80=99d otherwise= have to (imperfectly) parse out of the document (due to things like catcod= e changes, but I guess I can pretend they don=E2=80=99t exist and \unprotec= t is always on)

You could run ConTeXt and use the export XML.

>=C2=A0 =C2=A0 =C2=A0 =C2=A0=E2=80=A2 Optimally, for go-to-definition, I= =E2=80=99d also want a list of files ConTeXt loaded so I can find definitio= ns in it.
> Can anyone help me, especially with 1-2? To get me started, it would b= e great to have an example script and a command line to invoke it, which ma= kes ConTeXt load a main tex file, execute some Lua, and exit without creati= ng a document or writing anything else to the channel Lua writes to (stdout= ?).

Look at the .tuc file that=E2=80=99s created in a ConTeXt run, it=E2=80=99s= a Lua table and contains =E2=80=9Call=E2=80=9C the information about the p= roject.

Greetlings, Hraban
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