[PATCH] D55374: [clangd] Show FileStatus in vscode-clangd.

[Haojian Wu via Phabricator via cfe-commits]

hokein created this revision.
hokein added a reviewer: ilya-biryukov.
Herald added subscribers: kadircet, arphaman, jkorous, MaskRay, ioeric.

The file status will be shown in the status bar.
Depends on D55363 <https://reviews.llvm.org/D55363>.


Repository:
  rCTE Clang Tools Extra

https://reviews.llvm.org/D55374

Files:
  clangd/clients/clangd-vscode/src/extension.ts


Index: clangd/clients/clangd-vscode/src/extension.ts
===================================================================
--- clangd/clients/clangd-vscode/src/extension.ts
+++ clangd/clients/clangd-vscode/src/extension.ts
@@ -18,6 +18,37 @@
                              void, void>('textDocument/switchSourceHeader');
 }
 
+class FileStatus {
+    private statuses = new Map<string, any>();
+    private readonly statusBarItem =
+        vscode.window.createStatusBarItem(vscode.StatusBarAlignment.Left, 10);
+
+    onFileUpdated(fileStatus: any) {
+      const filePath = vscode.Uri.parse(fileStatus.uri);
+      this.statuses.set(filePath.fsPath, fileStatus);
+      this.updateStatus();
+    }
+
+    updateStatus() {
+        const path = vscode.window.activeTextEditor.document.fileName;
+        const status = this.statuses.get(path);
+        if (!status) {
+          this.statusBarItem.hide();
+          return;
+        }
+        this.statusBarItem.text = `clangd: ` + status.state;
+        // FIXME: find a way to show the details in a nicer way.
+        if (status.details.length > 0)
+            this.statusBarItem.tooltip = status.details.map(
+                (detail: any) => detail.message).join('; ');
+        this.statusBarItem.show()
+    }
+
+    dispose() {
+        this.statusBarItem.dispose();
+    }
+}
+
 /**
  *  this method is called when your extension is activate
  *  your extension is activated the very first time the command is executed
@@ -80,4 +111,13 @@
             vscode.Uri.parse(sourceUri));
         vscode.window.showTextDocument(doc);
       }));
+  const status = new FileStatus();
+  context.subscriptions.push(vscode.window.onDidChangeActiveTextEditor(() => {
+      status.updateStatus();
+  }))
+  clangdClient.onReady().then(() => {
+      clangdClient.onNotification('textDocument/fileStatus', (fileStatus) => {
+          status.onFileUpdated(fileStatus)
+      });
+  })
 }


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