| /******************************************************************************* |
| * Copyright (c) 2005, 2006 committers of openArchitectureWare and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * committers of openArchitectureWare - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.gmf.tests.xtend; |
| |
| import java.util.Set; |
| |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.gmf.internal.xpand.BuiltinMetaModel; |
| import org.eclipse.gmf.internal.xpand.ResourceManager; |
| import org.eclipse.gmf.internal.xpand.expression.AnalysationIssue; |
| import org.eclipse.gmf.internal.xpand.expression.ExecutionContext; |
| import org.eclipse.gmf.internal.xpand.expression.ExecutionContextImpl; |
| import org.eclipse.gmf.internal.xpand.xtend.ast.Extension; |
| |
| /** |
| * Might migrate into core plug-in if needed. |
| * |
| */ |
| public class XtendFacade { |
| |
| private ExecutionContext ctx; |
| |
| public XtendFacade(final ExecutionContext ctx) { |
| this.ctx = ctx; |
| } |
| |
| public final static XtendFacade create(ResourceManager resourceManager, final String extFile) { |
| return new XtendFacade(new ExecutionContextImpl(resourceManager, resourceManager.loadXtendResource(extFile), null, null)); |
| } |
| |
| public Object call(final String ext, final Object[] params) { |
| final Extension extension = ctx.getExtension(ext, detectTypes(params)); |
| if (extension == null) { |
| throw new IllegalArgumentException("Couldn't find extension " + ext); |
| } |
| return extension.evaluate(params, ctx); |
| } |
| |
| private EClassifier[] detectTypes(Object[] objects) { |
| final EClassifier[] rv = new EClassifier[objects.length]; |
| for (int i = 0; i < objects.length; i++) { |
| rv[i] = BuiltinMetaModel.getType(objects[i]); |
| } |
| return rv; |
| } |
| |
| public Object call(final String ext) { |
| return call(ext, new Object[]{}); |
| } |
| |
| public Object call(final String ext, Object p1) { |
| return call(ext, new Object[]{p1}); |
| } |
| |
| public Object call(final String ext, Object p1, Object p2) { |
| return call(ext, new Object[]{p1, p2}); |
| } |
| |
| public Object call(final String ext, Object p1, Object p2, Object p3) { |
| return call(ext, new Object[]{p1, p2, p3}); |
| } |
| |
| public EClassifier analyze(final String string, Object[] objects, final Set<AnalysationIssue> issues) { |
| if (objects == null) { |
| objects = new Object[0]; |
| } |
| final EClassifier[] params = detectTypes(objects); |
| final Extension extension = ctx.getExtension(string, params); |
| return extension.getReturnType(params, ctx, issues); |
| } |
| } |