Visual Studio Code support for Niva language

Features include:

• Code completion
• Go-to-definition
• Errors reporting
• Documentation hover
• Types hover
• Function signature provider
• Document symbols provider

Auto-complete of messages with args-type-holes

https://github.com/user-attachments/assets/6d5a74da-f71d-4caf-9dae-e8245457628f

Go to definitions(types and messages only, for now)

https://github.com/user-attachments/assets/6316bc45-3ce8-4c0b-8daf-685fa8a6e726

On hover types

https://github.com/user-attachments/assets/eb55f6ef-d267-471f-b790-db5c34065c3d

Errors reporting

Screencast_from_2024-06-09_18-39-28.webm

Document symbols provider

https://github.com/user-attachments/assets/3c7fde92-c316-4b71-b3af-c89735c904a2

Document symbols provider from doc-comments

https://github.com/user-attachments/assets/adfe0086-6841-4f7d-9eed-40160aba43ca

Suggest type names with constructors

https://github.com/user-attachments/assets/0fe21432-9e76-4b86-8438-b7198956c549

You can run tests(not LSP related)

Screencast_from_2024-05-12_16-24-22.webm

One more example

Screencast_from_2024-05-21_16-37-16 (1).webm

To compile run npm run compile