| /******************************************************************************* |
| * Copyright (c) 2012 NumberFour AG |
| * |
| * 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. |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * NumberFour AG - initial API and Implementation (Alex Panchenko) |
| *******************************************************************************/ |
| package org.eclipse.dltk.javascript.internal.core; |
| |
| import java.util.concurrent.Callable; |
| |
| import org.eclipse.dltk.internal.javascript.ti.TypeInferencer2; |
| import org.eclipse.dltk.javascript.typeinfo.ITypeSystem; |
| import org.eclipse.dltk.javascript.typeinfo.ITypeSystem.ThreadTypeSystem; |
| import org.eclipse.dltk.javascript.typeinfo.ReferenceSource; |
| |
| public class ThreadTypeSystemImpl extends ThreadLocal<ITypeSystem> implements |
| ThreadTypeSystem { |
| |
| public ReferenceSource getCurrentSource() { |
| final ITypeSystem ts = get(); |
| return ts instanceof TypeInferencer2 ? ((TypeInferencer2) ts) |
| .getSource() : null; |
| } |
| |
| public void runWith(ITypeSystem typeSystem, Runnable runnable) { |
| final ITypeSystem saved = get(); |
| try { |
| set(typeSystem); |
| runnable.run(); |
| } finally { |
| set(saved); |
| } |
| } |
| |
| public <V> V runWith(ITypeSystem typeSystem, Callable<V> callable) |
| throws Exception { |
| final ITypeSystem saved = get(); |
| try { |
| set(typeSystem); |
| return callable.call(); |
| } finally { |
| set(saved); |
| } |
| } |
| |
| } |