/*******************************************************************************
* Copyright (c) 2000, 2015 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
* Zend Technologies - adapt for PHP refactoring
*******************************************************************************/
package org.eclipse.php.refactoring.core.code.flow;
import org.eclipse.php.core.ast.nodes.Expression;
import org.eclipse.php.core.ast.nodes.ReturnStatement;
class ReturnFlowInfo extends FlowInfo {
public ReturnFlowInfo(ReturnStatement node) {
super(getReturnFlag(node));
}
public void merge(FlowInfo info, FlowContext context) {
if (info == null)
return;
assignAccessMode(info);
}
private static int getReturnFlag(ReturnStatement node) {
Expression expression = node.getExpression();
// TODO need to check the type of the return value -
// .resolveTypeBinding() == node.getAST().resolveWellKnownType("void")
if (expression == null || expression.isNullExpression()) //$NON-NLS-1$
return VOID_RETURN;
return VALUE_RETURN;
}
}