/*******************************************************************************
* Copyright © 2011, 2013 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.edt.compiler.core.ast;
import java.util.Collections;
import java.util.List;
/**
* Abstract superclass for statement AST nodes.
*
* @author Albert Ho
* @author David Murray
*/
public abstract class Statement extends Node {
public Statement(int startOffset, int endOffset) {
super(startOffset, endOffset);
}
/**
* @return A list of Expression objects for the I/O targets of this statement,
* or Collections.EMPTY_LIST if the statement is not an I/O statement
* or does not have I/O targets.
*/
public List getIOObjects() {
return Collections.EMPTY_LIST;
}
public List getIOClauses() {
return Collections.EMPTY_LIST;
}
public boolean canIncludeOtherStatements() {
return false;
}
/**
* Returns a list of lists of Statement nodes. Will only be non-empty
* if canIncludeOtherStatements() returns true.
*/
public List<List<Node>> getStatementBlocks() {
return Collections.EMPTY_LIST;
}
protected abstract Object clone() throws CloneNotSupportedException;
}