/*
 ***** BEGIN LICENSE BLOCK *****
 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Eclipse Public
 * License Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/epl-v20.html
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 * Software distributed under the License is distributed on an "AS
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 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
 * Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
 * Copyright (C) 2002 Anders Bengtsson <ndrsbngtssn@yahoo.se>
 * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
 * 
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package org.jruby.ast;

import java.util.List;

import org.jruby.ast.visitor.NodeVisitor;
import org.jruby.lexer.yacc.ISourcePosition;

Represents an alias statement (alias newName oldName).
/** Represents an alias statement (<code>alias newName oldName</code>). */
public class AliasNode extends Node { private Node oldName; private Node newName; public AliasNode(ISourcePosition position, Node newName, Node oldName) { super(position, newName.containsVariableAssignment() || oldName.containsVariableAssignment()); this.oldName = oldName; this.newName = newName; } public NodeType getNodeType() { return NodeType.ALIASNODE; }
Accept for the visitor pattern.
Params:
  • iVisitor – the visitor
/** * Accept for the visitor pattern. * @param iVisitor the visitor **/
public <T> T accept(NodeVisitor<T> iVisitor) { return iVisitor.visitAliasNode(this); }
Gets the newName.
Returns:the newName as in the alias statement : alias newName oldName
/** * Gets the newName. * @return the newName as in the alias statement : <code> alias <b>newName</b> oldName </code> */
public Node getNewName() { return newName; }
Gets the oldName.
Returns:the oldName as in the alias statement : alias newName oldName
/** * Gets the oldName. * @return the oldName as in the alias statement : <code> alias newName <b>oldName</b></code> */
public Node getOldName() { return oldName; } public List<Node> childNodes() { return Node.createList(newName, oldName); } }