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Java > Open Source Codes > org > eclipse > jdt > internal > corext > refactoring > code > flow > ReturnFlowInfo


1 /*******************************************************************************
2  * Copyright (c) 2000, 2005 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  * IBM Corporation - initial API and implementation
10  *******************************************************************************/
11 package org.eclipse.jdt.internal.corext.refactoring.code.flow;
12
13 import org.eclipse.jdt.core.dom.Expression;
14 import org.eclipse.jdt.core.dom.ReturnStatement;
15
16 class ReturnFlowInfo extends FlowInfo {
17     
18     public ReturnFlowInfo(ReturnStatement node) {
19         super(getReturnFlag(node));
20     }
21     
22     public void merge(FlowInfo info, FlowContext context) {
23         if (info == null)
24             return;
25             
26         assignAccessMode(info);
27     }
28     
29     private static int getReturnFlag(ReturnStatement node) {
30         Expression expression= node.getExpression();
31         if (expression == null || expression.resolveTypeBinding() == node.getAST().resolveWellKnownType("void")) //$NON-NLS-1$
32 return VOID_RETURN;
33         return VALUE_RETURN;
34     }
35 }
36
37
38
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