Merging upstream version 1.76.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

6 files changed, 0 insertions, 871 deletions

diff --git a/vendor/lsp-server/src/error.rs b/vendor/lsp-server/src/error.rs
deleted file mode 100644
index 755b3fd95..000000000
--- a/vendor/lsp-server/src/error.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-use std::fmt;
-
-use crate::{Notification, Request};
-
-#[derive(Debug, Clone, PartialEq)]
-pub struct ProtocolError(pub(crate) String);
-
-impl std::error::Error for ProtocolError {}
-
-impl fmt::Display for ProtocolError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Display::fmt(&self.0, f)
-    }
-}
-
-#[derive(Debug)]
-pub enum ExtractError<T> {
-    /// The extracted message was of a different method than expected.
-    MethodMismatch(T),
-    /// Failed to deserialize the message.
-    JsonError { method: String, error: serde_json::Error },
-}
-
-impl std::error::Error for ExtractError<Request> {}
-impl fmt::Display for ExtractError<Request> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            ExtractError::MethodMismatch(req) => {
-                write!(f, "Method mismatch for request '{}'", req.method)
-            }
-            ExtractError::JsonError { method, error } => {
-                write!(f, "Invalid request\nMethod: {method}\n error: {error}",)
-            }
-        }
-    }
-}
-
-impl std::error::Error for ExtractError<Notification> {}
-impl fmt::Display for ExtractError<Notification> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            ExtractError::MethodMismatch(req) => {
-                write!(f, "Method mismatch for notification '{}'", req.method)
-            }
-            ExtractError::JsonError { method, error } => {
-                write!(f, "Invalid notification\nMethod: {method}\n error: {error}")
-            }
-        }
-    }
-}
diff --git a/vendor/lsp-server/src/lib.rs b/vendor/lsp-server/src/lib.rs
deleted file mode 100644
index affab60a2..000000000
--- a/vendor/lsp-server/src/lib.rs
+++ /dev/null
@@ -1,284 +0,0 @@
-//! A language server scaffold, exposing a synchronous crossbeam-channel based API.
-//! This crate handles protocol handshaking and parsing messages, while you
-//! control the message dispatch loop yourself.
-//!
-//! Run with `RUST_LOG=lsp_server=debug` to see all the messages.
-
-#![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)]
-
-mod msg;
-mod stdio;
-mod error;
-mod socket;
-mod req_queue;
-
-use std::{
-    io,
-    net::{TcpListener, TcpStream, ToSocketAddrs},
-};
-
-use crossbeam_channel::{Receiver, Sender};
-
-pub use crate::{
-    error::{ExtractError, ProtocolError},
-    msg::{ErrorCode, Message, Notification, Request, RequestId, Response, ResponseError},
-    req_queue::{Incoming, Outgoing, ReqQueue},
-    stdio::IoThreads,
-};
-
-/// Connection is just a pair of channels of LSP messages.
-pub struct Connection {
-    pub sender: Sender<Message>,
-    pub receiver: Receiver<Message>,
-}
-
-impl Connection {
-    /// Create connection over standard in/standard out.
-    ///
-    /// Use this to create a real language server.
-    pub fn stdio() -> (Connection, IoThreads) {
-        let (sender, receiver, io_threads) = stdio::stdio_transport();
-        (Connection { sender, receiver }, io_threads)
-    }
-
-    /// Open a connection over tcp.
-    /// This call blocks until a connection is established.
-    ///
-    /// Use this to create a real language server.
-    pub fn connect<A: ToSocketAddrs>(addr: A) -> io::Result<(Connection, IoThreads)> {
-        let stream = TcpStream::connect(addr)?;
-        let (sender, receiver, io_threads) = socket::socket_transport(stream);
-        Ok((Connection { sender, receiver }, io_threads))
-    }
-
-    /// Listen for a connection over tcp.
-    /// This call blocks until a connection is established.
-    ///
-    /// Use this to create a real language server.
-    pub fn listen<A: ToSocketAddrs>(addr: A) -> io::Result<(Connection, IoThreads)> {
-        let listener = TcpListener::bind(addr)?;
-        let (stream, _) = listener.accept()?;
-        let (sender, receiver, io_threads) = socket::socket_transport(stream);
-        Ok((Connection { sender, receiver }, io_threads))
-    }
-
-    /// Creates a pair of connected connections.
-    ///
-    /// Use this for testing.
-    pub fn memory() -> (Connection, Connection) {
-        let (s1, r1) = crossbeam_channel::unbounded();
-        let (s2, r2) = crossbeam_channel::unbounded();
-        (Connection { sender: s1, receiver: r2 }, Connection { sender: s2, receiver: r1 })
-    }
-
-    /// Starts the initialization process by waiting for an initialize
-    /// request from the client. Use this for more advanced customization than
-    /// `initialize` can provide.
-    ///
-    /// Returns the request id and serialized `InitializeParams` from the client.
-    ///
-    /// # Example
-    ///
-    /// ```no_run
-    /// use std::error::Error;
-    /// use lsp_types::{ClientCapabilities, InitializeParams, ServerCapabilities};
-    ///
-    /// use lsp_server::{Connection, Message, Request, RequestId, Response};
-    ///
-    /// fn main() -> Result<(), Box<dyn Error + Sync + Send>> {
-    ///    // 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
-    ///    let (id, params) = connection.initialize_start()?;
-    ///
-    ///    let init_params: InitializeParams = serde_json::from_value(params).unwrap();
-    ///    let client_capabilities: ClientCapabilities = init_params.capabilities;
-    ///    let server_capabilities = ServerCapabilities::default();
-    ///
-    ///    let initialize_data = serde_json::json!({
-    ///        "capabilities": server_capabilities,
-    ///        "serverInfo": {
-    ///            "name": "lsp-server-test",
-    ///            "version": "0.1"
-    ///        }
-    ///    });
-    ///
-    ///    connection.initialize_finish(id, initialize_data)?;
-    ///
-    ///    // ... Run main loop ...
-    ///
-    ///    Ok(())
-    /// }
-    /// ```
-    pub fn initialize_start(&self) -> Result<(RequestId, serde_json::Value), ProtocolError> {
-        loop {
-            break match self.receiver.recv() {
-                Ok(Message::Request(req)) if req.is_initialize() => Ok((req.id, req.params)),
-                // Respond to non-initialize requests with ServerNotInitialized
-                Ok(Message::Request(req)) => {
-                    let resp = Response::new_err(
-                        req.id.clone(),
-                        ErrorCode::ServerNotInitialized as i32,
-                        format!("expected initialize request, got {req:?}"),
-                    );
-                    self.sender.send(resp.into()).unwrap();
-                    continue;
-                }
-                Ok(Message::Notification(n)) if !n.is_exit() => {
-                    continue;
-                }
-                Ok(msg) => Err(ProtocolError(format!("expected initialize request, got {msg:?}"))),
-                Err(e) => {
-                    Err(ProtocolError(format!("expected initialize request, got error: {e}")))
-                }
-            };
-        }
-    }
-
-    /// Finishes the initialization process by sending an `InitializeResult` to the client
-    pub fn initialize_finish(
-        &self,
-        initialize_id: RequestId,
-        initialize_result: serde_json::Value,
-    ) -> Result<(), ProtocolError> {
-        let resp = Response::new_ok(initialize_id, initialize_result);
-        self.sender.send(resp.into()).unwrap();
-        match &self.receiver.recv() {
-            Ok(Message::Notification(n)) if n.is_initialized() => Ok(()),
-            Ok(msg) => {
-                Err(ProtocolError(format!(r#"expected initialized notification, got: {msg:?}"#)))
-            }
-            Err(e) => {
-                Err(ProtocolError(format!("expected initialized notification, got error: {e}",)))
-            }
-        }
-    }
-
-    /// Initialize the connection. Sends the server capabilities
-    /// to the client and returns the serialized client capabilities
-    /// on success. If more fine-grained initialization is required use
-    /// `initialize_start`/`initialize_finish`.
-    ///
-    /// # Example
-    ///
-    /// ```no_run
-    /// use std::error::Error;
-    /// use lsp_types::ServerCapabilities;
-    ///
-    /// use lsp_server::{Connection, Message, Request, RequestId, Response};
-    ///
-    /// fn main() -> Result<(), Box<dyn Error + Sync + Send>> {
-    ///    // 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
-    ///    let server_capabilities = serde_json::to_value(&ServerCapabilities::default()).unwrap();
-    ///    let initialization_params = connection.initialize(server_capabilities)?;
-    ///
-    ///    // ... Run main loop ...
-    ///
-    ///    Ok(())
-    /// }
-    /// ```
-    pub fn initialize(
-        &self,
-        server_capabilities: serde_json::Value,
-    ) -> Result<serde_json::Value, ProtocolError> {
-        let (id, params) = self.initialize_start()?;
-
-        let initialize_data = serde_json::json!({
-            "capabilities": server_capabilities,
-        });
-
-        self.initialize_finish(id, initialize_data)?;
-
-        Ok(params)
-    }
-
-    /// If `req` is `Shutdown`, respond to it and return `true`, otherwise return `false`
-    pub fn handle_shutdown(&self, req: &Request) -> Result<bool, ProtocolError> {
-        if !req.is_shutdown() {
-            return Ok(false);
-        }
-        let resp = Response::new_ok(req.id.clone(), ());
-        let _ = self.sender.send(resp.into());
-        match &self.receiver.recv_timeout(std::time::Duration::from_secs(30)) {
-            Ok(Message::Notification(n)) if n.is_exit() => (),
-            Ok(msg) => {
-                return Err(ProtocolError(format!("unexpected message during shutdown: {msg:?}")))
-            }
-            Err(e) => return Err(ProtocolError(format!("unexpected error during shutdown: {e}"))),
-        }
-        Ok(true)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crossbeam_channel::unbounded;
-    use lsp_types::notification::{Exit, Initialized, Notification};
-    use lsp_types::request::{Initialize, Request};
-    use lsp_types::{InitializeParams, InitializedParams};
-    use serde_json::to_value;
-
-    use crate::{Connection, Message, ProtocolError, RequestId};
-
-    struct TestCase {
-        test_messages: Vec<Message>,
-        expected_resp: Result<(RequestId, serde_json::Value), ProtocolError>,
-    }
-
-    fn initialize_start_test(test_case: TestCase) {
-        let (reader_sender, reader_receiver) = unbounded::<Message>();
-        let (writer_sender, writer_receiver) = unbounded::<Message>();
-        let conn = Connection { sender: writer_sender, receiver: reader_receiver };
-
-        for msg in test_case.test_messages {
-            assert!(reader_sender.send(msg).is_ok());
-        }
-
-        let resp = conn.initialize_start();
-        assert_eq!(test_case.expected_resp, resp);
-
-        assert!(writer_receiver.recv_timeout(std::time::Duration::from_secs(1)).is_err());
-    }
-
-    #[test]
-    fn not_exit_notification() {
-        let notification = crate::Notification {
-            method: Initialized::METHOD.to_string(),
-            params: to_value(InitializedParams {}).unwrap(),
-        };
-
-        let params_as_value = to_value(InitializeParams::default()).unwrap();
-        let req_id = RequestId::from(234);
-        let request = crate::Request {
-            id: req_id.clone(),
-            method: Initialize::METHOD.to_string(),
-            params: params_as_value.clone(),
-        };
-
-        initialize_start_test(TestCase {
-            test_messages: vec![notification.into(), request.into()],
-            expected_resp: Ok((req_id, params_as_value)),
-        });
-    }
-
-    #[test]
-    fn exit_notification() {
-        let notification =
-            crate::Notification { method: Exit::METHOD.to_string(), params: to_value(()).unwrap() };
-        let notification_msg = Message::from(notification);
-
-        initialize_start_test(TestCase {
-            test_messages: vec![notification_msg.clone()],
-            expected_resp: Err(ProtocolError(format!(
-                "expected initialize request, got {:?}",
-                notification_msg
-            ))),
-        });
-    }
-}
diff --git a/vendor/lsp-server/src/msg.rs b/vendor/lsp-server/src/msg.rs
deleted file mode 100644
index 730ad51f4..000000000
--- a/vendor/lsp-server/src/msg.rs
+++ /dev/null
@@ -1,351 +0,0 @@
-use std::{
-    fmt,
-    io::{self, BufRead, Write},
-};
-
-use serde::{de::DeserializeOwned, Deserialize, Serialize};
-
-use crate::error::ExtractError;
-
-#[derive(Serialize, Deserialize, Debug, Clone)]
-#[serde(untagged)]
-pub enum Message {
-    Request(Request),
-    Response(Response),
-    Notification(Notification),
-}
-
-impl From<Request> for Message {
-    fn from(request: Request) -> Message {
-        Message::Request(request)
-    }
-}
-
-impl From<Response> for Message {
-    fn from(response: Response) -> Message {
-        Message::Response(response)
-    }
-}
-
-impl From<Notification> for Message {
-    fn from(notification: Notification) -> Message {
-        Message::Notification(notification)
-    }
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-#[serde(transparent)]
-pub struct RequestId(IdRepr);
-
-#[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-#[serde(untagged)]
-enum IdRepr {
-    I32(i32),
-    String(String),
-}
-
-impl From<i32> for RequestId {
-    fn from(id: i32) -> RequestId {
-        RequestId(IdRepr::I32(id))
-    }
-}
-
-impl From<String> for RequestId {
-    fn from(id: String) -> RequestId {
-        RequestId(IdRepr::String(id))
-    }
-}
-
-impl fmt::Display for RequestId {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match &self.0 {
-            IdRepr::I32(it) => fmt::Display::fmt(it, f),
-            // Use debug here, to make it clear that `92` and `"92"` are
-            // different, and to reduce WTF factor if the sever uses `" "` as an
-            // ID.
-            IdRepr::String(it) => fmt::Debug::fmt(it, f),
-        }
-    }
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct Request {
-    pub id: RequestId,
-    pub method: String,
-    #[serde(default = "serde_json::Value::default")]
-    #[serde(skip_serializing_if = "serde_json::Value::is_null")]
-    pub params: serde_json::Value,
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct Response {
-    // JSON RPC allows this to be null if it was impossible
-    // to decode the request's id. Ignore this special case
-    // and just die horribly.
-    pub id: RequestId,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub result: Option<serde_json::Value>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub error: Option<ResponseError>,
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct ResponseError {
-    pub code: i32,
-    pub message: String,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub data: Option<serde_json::Value>,
-}
-
-#[derive(Clone, Copy, Debug)]
-#[non_exhaustive]
-pub enum ErrorCode {
-    // Defined by JSON RPC:
-    ParseError = -32700,
-    InvalidRequest = -32600,
-    MethodNotFound = -32601,
-    InvalidParams = -32602,
-    InternalError = -32603,
-    ServerErrorStart = -32099,
-    ServerErrorEnd = -32000,
-
-    /// Error code indicating that a server received a notification or
-    /// request before the server has received the `initialize` request.
-    ServerNotInitialized = -32002,
-    UnknownErrorCode = -32001,
-
-    // Defined by the protocol:
-    /// The client has canceled a request and a server has detected
-    /// the cancel.
-    RequestCanceled = -32800,
-
-    /// The server detected that the content of a document got
-    /// modified outside normal conditions. A server should
-    /// NOT send this error code if it detects a content change
-    /// in it unprocessed messages. The result even computed
-    /// on an older state might still be useful for the client.
-    ///
-    /// If a client decides that a result is not of any use anymore
-    /// the client should cancel the request.
-    ContentModified = -32801,
-
-    /// The server cancelled the request. This error code should
-    /// only be used for requests that explicitly support being
-    /// server cancellable.
-    ///
-    /// @since 3.17.0
-    ServerCancelled = -32802,
-
-    /// A request failed but it was syntactically correct, e.g the
-    /// method name was known and the parameters were valid. The error
-    /// message should contain human readable information about why
-    /// the request failed.
-    ///
-    /// @since 3.17.0
-    RequestFailed = -32803,
-}
-
-#[derive(Debug, Serialize, Deserialize, Clone)]
-pub struct Notification {
-    pub method: String,
-    #[serde(default = "serde_json::Value::default")]
-    #[serde(skip_serializing_if = "serde_json::Value::is_null")]
-    pub params: serde_json::Value,
-}
-
-impl Message {
-    pub fn read(r: &mut impl BufRead) -> io::Result<Option<Message>> {
-        Message::_read(r)
-    }
-    fn _read(r: &mut dyn BufRead) -> io::Result<Option<Message>> {
-        let text = match read_msg_text(r)? {
-            None => return Ok(None),
-            Some(text) => text,
-        };
-        let msg = serde_json::from_str(&text)?;
-        Ok(Some(msg))
-    }
-    pub fn write(self, w: &mut impl Write) -> io::Result<()> {
-        self._write(w)
-    }
-    fn _write(self, w: &mut dyn Write) -> io::Result<()> {
-        #[derive(Serialize)]
-        struct JsonRpc {
-            jsonrpc: &'static str,
-            #[serde(flatten)]
-            msg: Message,
-        }
-        let text = serde_json::to_string(&JsonRpc { jsonrpc: "2.0", msg: self })?;
-        write_msg_text(w, &text)
-    }
-}
-
-impl Response {
-    pub fn new_ok<R: Serialize>(id: RequestId, result: R) -> Response {
-        Response { id, result: Some(serde_json::to_value(result).unwrap()), error: None }
-    }
-    pub fn new_err(id: RequestId, code: i32, message: String) -> Response {
-        let error = ResponseError { code, message, data: None };
-        Response { id, result: None, error: Some(error) }
-    }
-}
-
-impl Request {
-    pub fn new<P: Serialize>(id: RequestId, method: String, params: P) -> Request {
-        Request { id, method, params: serde_json::to_value(params).unwrap() }
-    }
-    pub fn extract<P: DeserializeOwned>(
-        self,
-        method: &str,
-    ) -> Result<(RequestId, P), ExtractError<Request>> {
-        if self.method != method {
-            return Err(ExtractError::MethodMismatch(self));
-        }
-        match serde_json::from_value(self.params) {
-            Ok(params) => Ok((self.id, params)),
-            Err(error) => Err(ExtractError::JsonError { method: self.method, error }),
-        }
-    }
-
-    pub(crate) fn is_shutdown(&self) -> bool {
-        self.method == "shutdown"
-    }
-    pub(crate) fn is_initialize(&self) -> bool {
-        self.method == "initialize"
-    }
-}
-
-impl Notification {
-    pub fn new(method: String, params: impl Serialize) -> Notification {
-        Notification { method, params: serde_json::to_value(params).unwrap() }
-    }
-    pub fn extract<P: DeserializeOwned>(
-        self,
-        method: &str,
-    ) -> Result<P, ExtractError<Notification>> {
-        if self.method != method {
-            return Err(ExtractError::MethodMismatch(self));
-        }
-        match serde_json::from_value(self.params) {
-            Ok(params) => Ok(params),
-            Err(error) => Err(ExtractError::JsonError { method: self.method, error }),
-        }
-    }
-    pub(crate) fn is_exit(&self) -> bool {
-        self.method == "exit"
-    }
-    pub(crate) fn is_initialized(&self) -> bool {
-        self.method == "initialized"
-    }
-}
-
-fn read_msg_text(inp: &mut dyn BufRead) -> io::Result<Option<String>> {
-    fn invalid_data(error: impl Into<Box<dyn std::error::Error + Send + Sync>>) -> io::Error {
-        io::Error::new(io::ErrorKind::InvalidData, error)
-    }
-    macro_rules! invalid_data {
-        ($($tt:tt)*) => (invalid_data(format!($($tt)*)))
-    }
-
-    let mut size = None;
-    let mut buf = String::new();
-    loop {
-        buf.clear();
-        if inp.read_line(&mut buf)? == 0 {
-            return Ok(None);
-        }
-        if !buf.ends_with("\r\n") {
-            return Err(invalid_data!("malformed header: {:?}", buf));
-        }
-        let buf = &buf[..buf.len() - 2];
-        if buf.is_empty() {
-            break;
-        }
-        let mut parts = buf.splitn(2, ": ");
-        let header_name = parts.next().unwrap();
-        let header_value =
-            parts.next().ok_or_else(|| invalid_data!("malformed header: {:?}", buf))?;
-        if header_name.eq_ignore_ascii_case("Content-Length") {
-            size = Some(header_value.parse::<usize>().map_err(invalid_data)?);
-        }
-    }
-    let size: usize = size.ok_or_else(|| invalid_data!("no Content-Length"))?;
-    let mut buf = buf.into_bytes();
-    buf.resize(size, 0);
-    inp.read_exact(&mut buf)?;
-    let buf = String::from_utf8(buf).map_err(invalid_data)?;
-    log::debug!("< {}", buf);
-    Ok(Some(buf))
-}
-
-fn write_msg_text(out: &mut dyn Write, msg: &str) -> io::Result<()> {
-    log::debug!("> {}", msg);
-    write!(out, "Content-Length: {}\r\n\r\n", msg.len())?;
-    out.write_all(msg.as_bytes())?;
-    out.flush()?;
-    Ok(())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{Message, Notification, Request, RequestId};
-
-    #[test]
-    fn shutdown_with_explicit_null() {
-        let text = "{\"jsonrpc\": \"2.0\",\"id\": 3,\"method\": \"shutdown\", \"params\": null }";
-        let msg: Message = serde_json::from_str(text).unwrap();
-
-        assert!(
-            matches!(msg, Message::Request(req) if req.id == 3.into() && req.method == "shutdown")
-        );
-    }
-
-    #[test]
-    fn shutdown_with_no_params() {
-        let text = "{\"jsonrpc\": \"2.0\",\"id\": 3,\"method\": \"shutdown\"}";
-        let msg: Message = serde_json::from_str(text).unwrap();
-
-        assert!(
-            matches!(msg, Message::Request(req) if req.id == 3.into() && req.method == "shutdown")
-        );
-    }
-
-    #[test]
-    fn notification_with_explicit_null() {
-        let text = "{\"jsonrpc\": \"2.0\",\"method\": \"exit\", \"params\": null }";
-        let msg: Message = serde_json::from_str(text).unwrap();
-
-        assert!(matches!(msg, Message::Notification(not) if not.method == "exit"));
-    }
-
-    #[test]
-    fn notification_with_no_params() {
-        let text = "{\"jsonrpc\": \"2.0\",\"method\": \"exit\"}";
-        let msg: Message = serde_json::from_str(text).unwrap();
-
-        assert!(matches!(msg, Message::Notification(not) if not.method == "exit"));
-    }
-
-    #[test]
-    fn serialize_request_with_null_params() {
-        let msg = Message::Request(Request {
-            id: RequestId::from(3),
-            method: "shutdown".into(),
-            params: serde_json::Value::Null,
-        });
-        let serialized = serde_json::to_string(&msg).unwrap();
-
-        assert_eq!("{\"id\":3,\"method\":\"shutdown\"}", serialized);
-    }
-
-    #[test]
-    fn serialize_notification_with_null_params() {
-        let msg = Message::Notification(Notification {
-            method: "exit".into(),
-            params: serde_json::Value::Null,
-        });
-        let serialized = serde_json::to_string(&msg).unwrap();
-
-        assert_eq!("{\"method\":\"exit\"}", serialized);
-    }
-}
diff --git a/vendor/lsp-server/src/req_queue.rs b/vendor/lsp-server/src/req_queue.rs
deleted file mode 100644
index e5f19be20..000000000
--- a/vendor/lsp-server/src/req_queue.rs
+++ /dev/null
@@ -1,69 +0,0 @@
-use std::collections::HashMap;
-
-use serde::Serialize;
-
-use crate::{ErrorCode, Request, RequestId, Response, ResponseError};
-
-/// Manages the set of pending requests, both incoming and outgoing.
-#[derive(Debug)]
-pub struct ReqQueue<I, O> {
-    pub incoming: Incoming<I>,
-    pub outgoing: Outgoing<O>,
-}
-
-impl<I, O> Default for ReqQueue<I, O> {
-    fn default() -> ReqQueue<I, O> {
-        ReqQueue {
-            incoming: Incoming { pending: HashMap::default() },
-            outgoing: Outgoing { next_id: 0, pending: HashMap::default() },
-        }
-    }
-}
-
-#[derive(Debug)]
-pub struct Incoming<I> {
-    pending: HashMap<RequestId, I>,
-}
-
-#[derive(Debug)]
-pub struct Outgoing<O> {
-    next_id: i32,
-    pending: HashMap<RequestId, O>,
-}
-
-impl<I> Incoming<I> {
-    pub fn register(&mut self, id: RequestId, data: I) {
-        self.pending.insert(id, data);
-    }
-
-    pub fn cancel(&mut self, id: RequestId) -> Option<Response> {
-        let _data = self.complete(id.clone())?;
-        let error = ResponseError {
-            code: ErrorCode::RequestCanceled as i32,
-            message: "canceled by client".to_string(),
-            data: None,
-        };
-        Some(Response { id, result: None, error: Some(error) })
-    }
-
-    pub fn complete(&mut self, id: RequestId) -> Option<I> {
-        self.pending.remove(&id)
-    }
-
-    pub fn is_completed(&self, id: &RequestId) -> bool {
-        !self.pending.contains_key(id)
-    }
-}
-
-impl<O> Outgoing<O> {
-    pub fn register<P: Serialize>(&mut self, method: String, params: P, data: O) -> Request {
-        let id = RequestId::from(self.next_id);
-        self.pending.insert(id.clone(), data);
-        self.next_id += 1;
-        Request::new(id, method, params)
-    }
-
-    pub fn complete(&mut self, id: RequestId) -> Option<O> {
-        self.pending.remove(&id)
-    }
-}
diff --git a/vendor/lsp-server/src/socket.rs b/vendor/lsp-server/src/socket.rs
deleted file mode 100644
index 36d728456..000000000
--- a/vendor/lsp-server/src/socket.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-use std::{
-    io::{self, BufReader},
-    net::TcpStream,
-    thread,
-};
-
-use crossbeam_channel::{bounded, Receiver, Sender};
-
-use crate::{
-    stdio::{make_io_threads, IoThreads},
-    Message,
-};
-
-pub(crate) fn socket_transport(
-    stream: TcpStream,
-) -> (Sender<Message>, Receiver<Message>, IoThreads) {
-    let (reader_receiver, reader) = make_reader(stream.try_clone().unwrap());
-    let (writer_sender, writer) = make_write(stream);
-    let io_threads = make_io_threads(reader, writer);
-    (writer_sender, reader_receiver, io_threads)
-}
-
-fn make_reader(stream: TcpStream) -> (Receiver<Message>, thread::JoinHandle<io::Result<()>>) {
-    let (reader_sender, reader_receiver) = bounded::<Message>(0);
-    let reader = thread::spawn(move || {
-        let mut buf_read = BufReader::new(stream);
-        while let Some(msg) = Message::read(&mut buf_read).unwrap() {
-            let is_exit = matches!(&msg, Message::Notification(n) if n.is_exit());
-            reader_sender.send(msg).unwrap();
-            if is_exit {
-                break;
-            }
-        }
-        Ok(())
-    });
-    (reader_receiver, reader)
-}
-
-fn make_write(mut stream: TcpStream) -> (Sender<Message>, thread::JoinHandle<io::Result<()>>) {
-    let (writer_sender, writer_receiver) = bounded::<Message>(0);
-    let writer = thread::spawn(move || {
-        writer_receiver.into_iter().try_for_each(|it| it.write(&mut stream)).unwrap();
-        Ok(())
-    });
-    (writer_sender, writer)
-}
diff --git a/vendor/lsp-server/src/stdio.rs b/vendor/lsp-server/src/stdio.rs
deleted file mode 100644
index e487b9b46..000000000
--- a/vendor/lsp-server/src/stdio.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-use std::{
-    io::{self, stdin, stdout},
-    thread,
-};
-
-use log::debug;
-
-use crossbeam_channel::{bounded, Receiver, Sender};
-
-use crate::Message;
-
-/// Creates an LSP connection via stdio.
-pub(crate) fn stdio_transport() -> (Sender<Message>, Receiver<Message>, IoThreads) {
-    let (writer_sender, writer_receiver) = bounded::<Message>(0);
-    let writer = thread::spawn(move || {
-        let stdout = stdout();
-        let mut stdout = stdout.lock();
-        writer_receiver.into_iter().try_for_each(|it| it.write(&mut stdout))?;
-        Ok(())
-    });
-    let (reader_sender, reader_receiver) = bounded::<Message>(0);
-    let reader = thread::spawn(move || {
-        let stdin = stdin();
-        let mut stdin = stdin.lock();
-        while let Some(msg) = Message::read(&mut stdin)? {
-            let is_exit = matches!(&msg, Message::Notification(n) if n.is_exit());
-
-            debug!("sending message {:#?}", msg);
-            reader_sender.send(msg).expect("receiver was dropped, failed to send a message");
-
-            if is_exit {
-                break;
-            }
-        }
-        Ok(())
-    });
-    let threads = IoThreads { reader, writer };
-    (writer_sender, reader_receiver, threads)
-}
-
-// Creates an IoThreads
-pub(crate) fn make_io_threads(
-    reader: thread::JoinHandle<io::Result<()>>,
-    writer: thread::JoinHandle<io::Result<()>>,
-) -> IoThreads {
-    IoThreads { reader, writer }
-}
-
-pub struct IoThreads {
-    reader: thread::JoinHandle<io::Result<()>>,
-    writer: thread::JoinHandle<io::Result<()>>,
-}
-
-impl IoThreads {
-    pub fn join(self) -> io::Result<()> {
-        match self.reader.join() {
-            Ok(r) => r?,
-            Err(err) => {
-                println!("reader panicked!");
-                std::panic::panic_any(err)
-            }
-        }
-        match self.writer.join() {
-            Ok(r) => r,
-            Err(err) => {
-                println!("writer panicked!");
-                std::panic::panic_any(err);
-            }
-        }
-    }
-}