mirror of https://github.com/astral-sh/ruff
72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
use std::{num::NonZeroUsize, sync::Arc};
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use anyhow::Context;
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use lsp_server::Connection;
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use ruff_db::system::{OsSystem, SystemPathBuf};
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pub use crate::logging::{LogLevel, init_logging};
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pub use crate::server::{PartialWorkspaceProgress, PartialWorkspaceProgressParams, Server};
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pub use crate::session::{ClientOptions, DiagnosticMode};
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pub use document::{NotebookDocument, PositionEncoding, TextDocument};
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pub(crate) use session::{DocumentQuery, Session};
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mod capabilities;
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mod document;
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mod logging;
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mod server;
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mod session;
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mod system;
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pub(crate) const SERVER_NAME: &str = "ty";
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pub(crate) const DIAGNOSTIC_NAME: &str = "ty";
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/// A common result type used in most cases where a
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/// result type is needed.
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pub(crate) type Result<T> = anyhow::Result<T>;
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pub fn run_server() -> anyhow::Result<()> {
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let four = NonZeroUsize::new(4).unwrap();
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// by default, we set the number of worker threads to `num_cpus`, with a maximum of 4.
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let worker_threads = std::thread::available_parallelism()
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.unwrap_or(four)
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.min(four);
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let (connection, io_threads) = Connection::stdio();
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let cwd = {
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let cwd = std::env::current_dir().context("Failed to get the current working directory")?;
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SystemPathBuf::from_path_buf(cwd).map_err(|path| {
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anyhow::anyhow!(
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"The current working directory `{}` contains non-Unicode characters. \
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ty only supports Unicode paths.",
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path.display()
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)
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})?
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};
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// This is to complement the `LSPSystem` if the document is not available in the index.
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let fallback_system = Arc::new(OsSystem::new(cwd));
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let server_result = Server::new(worker_threads, connection, fallback_system, false)
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.context("Failed to start server")?
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.run();
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let io_result = io_threads.join();
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let result = match (server_result, io_result) {
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(Ok(()), Ok(())) => Ok(()),
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(Err(server), Err(io)) => Err(server).context(format!("IO thread error: {io}")),
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(Err(server), _) => Err(server),
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(_, Err(io)) => Err(io).context("IO thread error"),
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};
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if let Err(err) = result.as_ref() {
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tracing::warn!("Server shut down with an error: {err}");
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} else {
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tracing::info!("Server shut down");
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}
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result
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}
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