rust/crates/gen_lsp_server/examples/01_gen_lsp_server.rs
2019-06-15 01:03:17 +06:00

48 lines
1.6 KiB
Rust

use std::error::Error;
use crossbeam_channel::{Sender, Receiver};
use lsp_types::{
ServerCapabilities, InitializeParams,
request::{GotoDefinition, GotoDefinitionResponse},
};
use gen_lsp_server::{run_server, stdio_transport, handle_shutdown, RawMessage, RawResponse};
fn main() -> Result<(), Box<dyn Error + Sync + Send>> {
let (receiver, sender, io_threads) = stdio_transport();
run_server(ServerCapabilities::default(), receiver, sender, main_loop)?;
io_threads.join()?;
Ok(())
}
fn main_loop(
_params: InitializeParams,
receiver: &Receiver<RawMessage>,
sender: &Sender<RawMessage>,
) -> Result<(), Box<dyn Error + Sync + Send>> {
for msg in receiver {
match msg {
RawMessage::Request(req) => {
let req = match handle_shutdown(req, sender) {
None => return Ok(()),
Some(req) => req,
};
match req.cast::<GotoDefinition>() {
Ok((id, _params)) => {
let resp = RawResponse::ok::<GotoDefinition>(
id,
&Some(GotoDefinitionResponse::Array(Vec::new())),
);
sender.send(RawMessage::Response(resp))?;
continue;
}
Err(req) => req,
};
// ...
}
RawMessage::Response(_resp) => (),
RawMessage::Notification(_not) => (),
}
}
Ok(())
}