| /***** BEGIN LICENSE BLOCK ***** |
| * Version: CPL 1.0/GPL 2.0/LGPL 2.1 |
| * |
| * The contents of this file are subject to the Common Public |
| * License Version 1.0 (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/cpl-v10.html |
| * |
| * Software distributed under the License is distributed on an "AS |
| * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| * 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> |
| * |
| * Alternatively, the contents of this file may be used under the terms of |
| * either of the GNU General Public License Version 2 or later (the "GPL"), |
| * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| * in which case the provisions of the GPL or the LGPL are applicable instead |
| * of those above. If you wish to allow use of your version of this file only |
| * under the terms of either the GPL or the LGPL, and not to allow others to |
| * use your version of this file under the terms of the CPL, indicate your |
| * decision by deleting the provisions above and replace them with the notice |
| * and other provisions required by the GPL or the LGPL. If you do not delete |
| * the provisions above, a recipient may use your version of this file under |
| * the terms of any one of the CPL, the GPL or the LGPL. |
| ***** END LICENSE BLOCK *****/ |
| package org.jruby.ast; |
| |
| import java.util.List; |
| |
| import org.jruby.ast.visitor.NodeVisitor; |
| import org.jruby.evaluator.Instruction; |
| import org.jruby.lexer.yacc.ISourcePosition; |
| |
| /** |
| * A Case statement. |
| * |
| * Represents a complete case statement, including the body with its |
| * when statements. |
| * |
| * @author jpetersen |
| */ |
| public class CaseNode extends Node { |
| static final long serialVersionUID = -2824917272720800901L; |
| |
| /** |
| * the case expression. |
| **/ |
| private final Node caseNode; |
| /** |
| * the body of the case. |
| */ |
| private final Node caseBody; |
| |
| public CaseNode(ISourcePosition position, Node caseNode, Node caseBody) { |
| super(position, NodeTypes.CASENODE); |
| this.caseNode = caseNode; |
| this.caseBody = caseBody; |
| } |
| |
| /** |
| * Accept for the visitor pattern. |
| * @param iVisitor the visitor |
| **/ |
| public Instruction accept(NodeVisitor iVisitor) { |
| return iVisitor.visitCaseNode(this); |
| } |
| |
| /** |
| * Gets the caseNode. |
| * caseNode is the case expression |
| * @return caseNode |
| */ |
| public Node getCaseNode() { |
| return caseNode; |
| } |
| |
| /** |
| * Gets the first whenNode. |
| * the body of the case statement, the first of a list of WhenNodes |
| * @return whenNode |
| */ |
| public Node getFirstWhenNode() { |
| return caseBody; |
| } |
| |
| public List childNodes() { |
| return Node.createList(caseNode, caseBody); |
| } |
| |
| } |