Function run

prqlc/prqlc/src/cli/lsp.rs:10–39

()

use lsp_server::{Connection, ExtractError, Message, Request, RequestId, Response};

pub fn run() -> Result<(), Box<dyn Error + Sync + Send>> {
    // Note that  we must have our logging only write out to stderr.
    eprintln!("starting PRQL LSP server");

    // Create the transport. Includes the stdio (stdin and stdout) versions but this could
    // also be implemented to use sockets or HTTP.
    let (connection, io_threads) = Connection::stdio();

    // Run the server and wait for the two threads to end (typically by trigger LSP Exit event).
    let server_capabilities = serde_json::to_value(&ServerCapabilities {
        definition_provider: Some(OneOf::Left(true)),
        ..Default::default()
    })
    .unwrap();
    let initialization_params = match connection.initialize(server_capabilities) {
        Ok(it) => it,
        Err(e) => {
            if e.channel_is_disconnected() {
                io_threads.join()?;
            }
            return Err(e.into());
        }
    };
    main_loop(connection, initialization_params)?;
    io_threads.join()?;

    // Shut down gracefully.
    eprintln!("shutting down server");
    Ok(())
}

fn main_loop(
    connection: Connection,