| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.javascript.corext.refactoring.code.flow; |
| |
| class SwitchFlowInfo extends FlowInfo { |
| private GenericConditionalFlowInfo fCases; |
| private boolean fHasNullCaseInfo; |
| |
| public SwitchFlowInfo() { |
| fCases= new GenericConditionalFlowInfo(); |
| } |
| |
| public void mergeTest(FlowInfo info, FlowContext context) { |
| if (info == null) |
| return; |
| mergeSequential(info, context); |
| } |
| |
| public void mergeCase(FlowInfo info, FlowContext context) { |
| if (info == null) { |
| fHasNullCaseInfo= true; |
| return; |
| } |
| fCases.mergeConditional(info, context); |
| } |
| |
| public void mergeDefault(boolean defaultCaseExists, FlowContext context) { |
| if (!defaultCaseExists || fHasNullCaseInfo) |
| fCases.mergeEmptyCondition(context); |
| mergeSequential(fCases, context); |
| } |
| } |
| |