refactor: rewrite lsp to be async (#8727)

Co-authored-by: Luca Casonato <lucacasonato@yahoo.com>

1 files changed, 0 insertions, 62 deletions

diff --git a/cli/lsp/utils.rs b/cli/lsp/utils.rs
index 0c3d5a635..3bdd00875 100644
--- a/cli/lsp/utils.rs
+++ b/cli/lsp/utils.rs
@@ -1,71 +1,9 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
 
-use deno_core::error::custom_error;
 use deno_core::error::AnyError;
-use deno_core::serde_json::Value;
 use deno_core::url::Position;
 use deno_core::url::Url;
 use deno_core::ModuleSpecifier;
-use lsp_server::Notification;
-use serde::de::DeserializeOwned;
-use std::error::Error;
-use std::fmt;
-
-// TODO(@kitsonk) support actually supporting cancellation requests from the
-// client.
-
-pub struct Canceled {
-  _private: (),
-}
-
-impl Canceled {
-  #[allow(unused)]
-  pub fn new() -> Self {
-    Self { _private: () }
-  }
-
-  #[allow(unused)]
-  pub fn throw() -> ! {
-    std::panic::resume_unwind(Box::new(Canceled::new()))
-  }
-}
-
-impl fmt::Display for Canceled {
-  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-    write!(f, "cancelled")
-  }
-}
-
-impl fmt::Debug for Canceled {
-  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-    write!(f, "Canceled")
-  }
-}
-
-impl Error for Canceled {}
-
-pub fn from_json<T: DeserializeOwned>(
-  what: &'static str,
-  json: Value,
-) -> Result<T, AnyError> {
-  let response = T::deserialize(&json).map_err(|err| {
-    custom_error(
-      "DeserializeFailed",
-      format!("Failed to deserialize {}: {}; {}", what, err, json),
-    )
-  })?;
-  Ok(response)
-}
-
-pub fn is_canceled(e: &(dyn Error + 'static)) -> bool {
-  e.downcast_ref::<Canceled>().is_some()
-}
-
-pub fn notification_is<N: lsp_types::notification::Notification>(
-  notification: &Notification,
-) -> bool {
-  notification.method == N::METHOD
-}
 
 /// Normalizes a file name returned from the TypeScript compiler into a URI that
 /// should be sent by the language server to the client.