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lark-language-server

Provides a language server for grammars based on Lark

Development

Layout:

├── lark_language_server  # The lang server python package
└── editors   # Editor specific extensions
    └── vscode   # VSCode language server client extension

Development is against the VSCode extension:

  • Open the root directory in VSCode
  • Create a local python virtualenv i.e. python -m venv .venv
  • Install the language server package in development mode pip install -e .
  • Create .vscode/settings.json file and set python.pythonPath to point to your python venv python executable
  • Goto the vscode extension cd editors/vscode
  • Install the environment npm install
  • Compile the extension npm run compile
  • Within the debug view of VSCode, select Server + Client and press F5 or click on the green arrow (Start Debugging).
  • This is boot a vscode extension host & the python language server under debuggers.
  • Open a .lark document, it currently just sends some notifications to the client.