Merge from vscode ec07311dab2556c9d66a4cb3eecdc21c524202e1 (#6739)

src/vs/workbench/api/worker/extHostLogService.ts

@@ -0,0 +1,84 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ILogService, LogLevel, AbstractLogService } from 'vs/platform/log/common/log';
+import { ExtHostLogServiceShape } from 'vs/workbench/api/common/extHost.protocol';
+import { IExtHostInitDataService } from 'vs/workbench/api/common/extHostInitDataService';
+import { IExtHostOutputService } from 'vs/workbench/api/common/extHostOutput';
+import * as vscode from 'vscode';
+
+export class ExtHostLogService extends AbstractLogService implements ILogService, ExtHostLogServiceShape {
+
+	_serviceBrand: any;
+
+	private readonly _logChannel: vscode.OutputChannel;
+
+	constructor(
+		@IExtHostInitDataService initData: IExtHostInitDataService,
+		@IExtHostOutputService extHostOutputService: IExtHostOutputService
+	) {
+		super();
+		this.setLevel(initData.logLevel);
+		this._logChannel = extHostOutputService.createOutputChannel('Log (Worker Extension Host)');
+	}
+
+	$setLevel(level: LogLevel): void {
+		this.setLevel(level);
+	}
+
+	trace(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Trace) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	debug(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Debug) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	info(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Info) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	warn(_message: string, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Warning) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	error(_message: string | Error, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Error) {
+			this._logChannel.appendLine(this._format(arguments));
+		}
+	}
+
+	critical(_message: string | Error, ..._args: any[]): void {
+		if (this.getLevel() <= LogLevel.Critical) {
+			this._logChannel.appendLine(String(arguments));
+		}
+	}
+
+	private _format(args: any): string {
+		let result = '';
+
+		for (let i = 0; i < args.length; i++) {
+			let a = args[i];
+
+			if (typeof a === 'object') {
+				try {
+					a = JSON.stringify(a);
+				} catch (e) { }
+			}
+
+			result += (i > 0 ? ' ' : '') + a;
+		}
+
+		return result;
+	}
+}