ElseNode.java

/*******************************************************************************
 * Copyright (c) 2008 xored software, Inc.
 *
 * 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:
 *     xored software, Inc. - initial API and Implementation (Alex Panchenko)
 *******************************************************************************/
package org.jruby.ast.ext;

import java.util.List;

import org.jruby.ast.Node;
import org.jruby.ast.NodeTypes;
import org.jruby.ast.visitor.NodeVisitor;
import org.jruby.evaluator.Instruction;
import org.jruby.lexer.yacc.ISourcePosition;
import org.jruby.lexer.yacc.ISourcePositionHolder;

public class ElseNode extends Node {

	private final ISourcePositionHolder elseKeyword;
	private final Node statement;

	/**
	 * @return the elseKeyword
	 */
	public ISourcePositionHolder getElseKeyword() {
		return elseKeyword;
	}

	public ElseNode(ISourcePosition position,
			ISourcePositionHolder elseKeyword, Node statement) {
		super(position, NodeTypes.EXT_ELSENODE);
		this.elseKeyword = elseKeyword;
		this.statement = statement;
	}

	/*
	 * @see org.jruby.ast.Node#accept(org.jruby.ast.visitor.NodeVisitor)
	 */
	public Instruction accept(NodeVisitor visitor) {
		throw new RuntimeException(getNodeName() + " should never be evaluated");
	}

	/*
	 * @see org.jruby.ast.Node#childNodes()
	 */
	public List childNodes() {
		return createList(statement);
	}

	public Node getStatement() {
		return statement;
	}

}