DemoLanguageServer: Clears diagnostic information for deleted files.

Author: CXuesong

Client/VsCode/src/extension.ts

@@ -16,12 +16,10 @@ const languageServerPaths = [
 function activateLanguageServer(context: vscode.ExtensionContext) {
 	// The server is implemented in an executable application.
 	let serverModule: string = null;
-	for (let p of languageServerPaths)
-	{
+	for (let p of languageServerPaths) {
 		p = context.asAbsolutePath(p);
 		// console.log(p);
-		if (fs.existsSync(p))
-		{
+		if (fs.existsSync(p)) {
 			serverModule = p;
 			break;
 		}
@@ -30,7 +28,7 @@ function activateLanguageServer(context: vscode.ExtensionContext) {
 	let workPath = path.dirname(serverModule);
 	console.log(`Use ${serverModule} as server module.`);
 	console.log(`Work path: ${workPath}.`);
-	
+
 
 	// If the extension is launched in debug mode then the debug server options are used
 	// Otherwise the run options are used
@@ -46,7 +44,10 @@ function activateLanguageServer(context: vscode.ExtensionContext) {
 			// Synchronize the setting section 'languageServerExample' to the server
 			configurationSection: "demoLanguageServer",
 			// Notify the server about file changes to '.clientrc files contain in the workspace
-			fileEvents: vscode.workspace.createFileSystemWatcher("**/.clientrc")
+			fileEvents: [
+				vscode.workspace.createFileSystemWatcher("**/.clientrc"),
+				vscode.workspace.createFileSystemWatcher("**/.demo"),
+			]
 		},
 	}
 

DemoLanguageServer/Program.cs

@@ -1,4 +1,4 @@
-#define WAIT_FOR_DEBUGGER
+//#define WAIT_FOR_DEBUGGER
 //#define USE_CONSOLE_READER
 
 using System;

DemoLanguageServer/Services/TextDocumentService.cs

@@ -50,8 +50,9 @@ public void WillSave(TextDocumentIdentifier textDocument, TextDocumentSaveReason
         }
 
         [JsonRpcMethod(IsNotification = true)]
-        public void DidClose(TextDocumentIdentifier textDocument)
+        public async Task DidClose(TextDocumentIdentifier textDocument)
         {
+            await Client.Document.PublishDiagnostics(textDocument.Uri, new Diagnostic[0]);
             Documents.Remove(textDocument);
         }
 

DemoLanguageServer/Services/WorkspaceService.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Text;
 using System.Threading.Tasks;
 using JsonRpc.Standard.Contracts;
+using LanguageServer.VsCode.Contracts;
 using Newtonsoft.Json.Linq;
 
 namespace DemoLanguageServer.Services
@@ -20,5 +22,24 @@ public async Task DidChangeConfiguration(SettingsRoot settings)
                 await Client.Document.PublishDiagnostics(doc.Uri, diag);
             }
         }
+
+        [JsonRpcMethod(IsNotification = true)]
+        public async Task DidChangeWatchedFiles(ICollection<FileEvent> changes)
+        {
+            foreach (var change in changes)
+            {
+                if (!change.Uri.IsFile) continue;
+                var localPath = change.Uri.AbsolutePath;
+                if (string.Equals(Path.GetExtension(localPath), ".demo"))
+                {
+                    // If the file has been removed, we will clear the lint result about it.
+                    // Note that pass null to PublishDiagnostics may mess up the client.
+                    if (change.Type == FileChangeType.Deleted)
+                    {
+                        await Client.Document.PublishDiagnostics(change.Uri, new Diagnostic[0]);
+                    }
+                }
+            }
+        }
     }
 }

LanguageServer.VsCode/LanguageServer.VsCode.csproj

@@ -9,8 +9,12 @@
     <Company />
     <Description>A .NET Language Server library for VSCode.</Description>
     <Copyright>Copyright 2017 CXuesong</Copyright>
-    <PackageTags>vscode language-server</PackageTags>
+    <PackageTags>vscode language-server language-server-protocol</PackageTags>
     <NeutralLanguage>en-us</NeutralLanguage>
+    <PackageProjectUrl>https://github.com/CXuesong/LanguageServer.NET</PackageProjectUrl>
+    <RepositoryUrl>https://github.com/CXuesong/LanguageServer.NET</RepositoryUrl>
+    <RepositoryType>git</RepositoryType>
+    <PackageReleaseNotes>See https://github.com/CXuesong/LanguageServer.NET/releases .</PackageReleaseNotes>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">