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LSP screen-cast

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Christoph Cullmann 2019-07-22 22:15:50 +02:00
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---
title: "Kate LSP Status - July 22"
date: 2019-07-22T22:16:00+02:00
draft: false
categories: [kde, kate, development]
tags: [kde, kate]
---
After my series of LSP client posts, I got the question: What does this actually do? And why should I like this or help with it?
For the basic question: What the heck is the [Language Server Protocol (LSP)](https://microsoft.github.io/language-server-protocol/overview), I think my [first post](/posts/kate-language-server-protocol-client/) can help. Or, for more details, just head over to the [official what/why/... page](https://langserver.org/).
But easier than to describe why it is nice, I can just show the stuff in action.
Below is a video that shows the features that at the moment work with our master branch.
It is shown using the build directory of Kate itself.
To get a usable build directory, I build my stuff locally with [kdesrc-build](https://kdesrc-build.kde.org/), the only extra config I have in the global section of my **.kdesrc-buildrc** is:
> cmake-options -DCMAKE_BUILD_TYPE=RelWithDebInfo -G "Kate - Unix Makefiles" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
This will auto generate the needed **.kateproject** files for the Kate project plugin and the **compile_commands.json** for clangd (the LSP server for C/C++ the plugin uses).
If you manually build your stuff with **cmake**, you can just add the
> -G "Kate - Unix Makefiles" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
parts to your **cmake** call. If you use **ninja** and not **make**, just use
> -G "Kate - Ninja" -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
Then, let's see what you can do, once you are in a prepared build directory and have a **master** version of **Kate** in your **PATH**.
<center><a href="https://youtu.be/w0grp9npnNA" target="_blank"><img width=500 src="images/kate-lsp-video.jpg"></a></center>
I hope the quality is acceptable, that is my first try in a long time to do some screen-cast ;)