In order to run the extension, you need to download the CodeGeeX Language Server and place it in the server directory at the root of the repository.
Windows:server/language-server.exe
Linux & MacOS:server/language-server
Then, you can run the extension by pressing F5 in the vscode directory.
Inline Edits
To enable inline edits, you need to run the extension in debug mode using VSCode Insiders. Then, update your settings.json (Preferences: Open User Settings (JSON) using the command palette) file with the following configuration: