Add notebook document synchronization functions

Cargo.toml

@@ -26,7 +26,10 @@ async-trait = "0.1"
 auto_impl = "1.0"
 bytes = "1.0"
 dashmap = "5.1"
-futures = { version = "0.3", default-features = false, features = ["std", "async-await"] }
+futures = { version = "0.3", default-features = false, features = [
+    "std",
+    "async-await",
+] }
 httparse = "1.8"
 lsp-types = "0.94.1"
 memchr = "2.5"
@@ -41,10 +44,18 @@ tracing = "0.1"
 [dev-dependencies]
 async-tungstenite = { version = "0.22", features = ["tokio-runtime"] }
 tracing-subscriber = "0.3"
-tokio = { version = "1.17", features = ["io-util", "io-std", "macros", "rt-multi-thread"] }
+tokio = { version = "1.17", features = [
+    "io-util",
+    "io-std",
+    "macros",
+    "rt-multi-thread",
+] }
 tokio-util = { version = "0.7", features = ["compat"] }
 ws_stream_tungstenite = { version = "0.10", features = ["tokio_io"] }
 
 [workspace]
 members = [".", "./tower-lsp-macros"]
 default-members = ["."]
+
+[patch.crates-io]
+lsp-types = { git = 'https://github.com/zebreus/lsp-types.git' }

src/lib.rs

@@ -230,6 +230,54 @@ pub trait LanguageServer: Send + Sync + 'static {
         warn!("Got a textDocument/didClose notification, but it is not implemented");
     }
 
+    // Notebook Document Synchronization
+
+    /// The [`notebookDocument/didOpen`] notification is sent from the client to the server when a new notebook document is opened.
+    /// It is only sent for notebooks selected by the `notebookDocumentSync` server capability.
+    ///
+    /// [`notebookDocument/didOpen`]: https://microsoft.github.io/language-server-protocol/specification/#notebookDocument_didChange
+    ///
+    /// TODO: Write more documentation
+    #[rpc(name = "notebookDocument/didOpen")]
+    async fn notebook_did_open(&self, params: DidOpenNotebookDocumentParams) {
+        let _ = params;
+        warn!("Got a notebookDocument/didOpen notification, but it is not implemented");
+    }
+
+    /// The [`notebookDocument/didChange`] notification is sent from the client to the server when a notebook document changes.
+    /// It is only sent for notebooks selected by the `notebookDocumentSync` server capability.
+    ///
+    /// [`notebookDocument/didChange`]: https://microsoft.github.io/language-server-protocol/specification#notebookDocument_didChange
+    ///
+    /// TODO: Write more documentation
+    #[rpc(name = "notebookDocument/didChange")]
+    async fn notebook_did_change(&self, params: DidChangeNotebookDocumentParams) {
+        let _ = params;
+        warn!("Got a notebookDocument/didChange notification, but it is not implemented");
+    }
+
+    /// The [`notebookDocument/didSave`] notification is sent from the client to the server when a notebook document is saved.
+    /// It is only sent for notebooks selected by the `notebookDocumentSync` server capability.
+    ///
+    /// [`notebookDocument/didSave`]: https://microsoft.github.io/language-server-protocol/specification#notebookDocument_didSave
+    #[rpc(name = "notebookDocument/didSave")]
+    async fn notebook_did_save(&self, params: DidSaveNotebookDocumentParams) {
+        let _ = params;
+        warn!("Got a notebookDocument/didSave notification, but it is not implemented");
+    }
+
+    /// The [`notebookDocument/didClose`] notification is sent from the client to the server when a notebook document is closed.
+    /// It is only sent for notebooks selected by the `notebookDocumentSync` server capability.
+    ///
+    /// [`notebookDocument/didClose`]: https://microsoft.github.io/language-server-protocol/specification#notebookDocument_didClose
+    ///
+    /// TODO: Write more documentation
+    #[rpc(name = "notebookDocument/didClose")]
+    async fn notebook_did_close(&self, params: DidCloseNotebookDocumentParams) {
+        let _ = params;
+        warn!("Got a notebookDocument/didClose notification, but it is not implemented");
+    }
+
     // Language Features
 
     /// The [`textDocument/declaration`] request asks the server for the declaration location of a