deploy: current vibn theia state

Made-with: Cursor

packages/plugin-ext/src/common/reference-map.ts

@@ -0,0 +1,38 @@
+// *****************************************************************************
+// Copyright (C) 2022 Ericsson and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+// copied from hhttps://github.com/microsoft/vscode/blob/6261075646f055b99068d3688932416f2346dd3b/src/vs/workbench/api/common/extHostLanguageFeatures.ts#L1291-L1310.
+
+export class ReferenceMap<T> {
+    private readonly _references = new Map<number, T>();
+    private _idPool = 1;
+
+    createReferenceId(value: T): number {
+        const id = this._idPool++;
+        this._references.set(id, value);
+        return id;
+    }
+
+    disposeReferenceId(referenceId: number): T | undefined {
+        const value = this._references.get(referenceId);
+        this._references.delete(referenceId);
+        return value;
+    }
+
+    get(referenceId: number): T | undefined {
+        return this._references.get(referenceId);
+    }
+}