plugins/org.eclipse.dltk.ruby.core/jruby/org/jruby/ast/ClassNode.java

/***** 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
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 * decision by deleting the provisions above and replace them with the notice
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 * the provisions above, a recipient may use your version of this file under
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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;
import org.jruby.parser.StaticScope;

/**
 * A class statement.
 * A class statement is defined by its name, its supertype and its body.
 * The body is a separate naming scope.
 * This node is for a regular class definition, Singleton classes get their own
 * node, the SClassNode
 * 
 * @author  jpetersen
 */
public class ClassNode extends Node implements IScopingNode {
    static final long serialVersionUID = -1369424045737867587L;

    private final Colon3Node cpath;
    private final StaticScope scope;
    private final Node bodyNode;
    private final Node superNode;
    
    public ClassNode(ISourcePosition position, Colon3Node cpath, StaticScope scope, Node bodyNode, Node superNode) {
        super(position, NodeTypes.CLASSNODE);
        this.cpath = cpath;
        this.scope = scope;
        this.bodyNode = bodyNode;
        this.superNode = superNode;
    }

    /**
     * Accept for the visitor pattern.
     * @param iVisitor the visitor
     **/
    public Instruction accept(NodeVisitor iVisitor) {
        return iVisitor.visitClassNode(this);
    }
    
    /**
     * Gets the body of this class.
     * 
     * @return the contents
     */
    public Node getBodyNode() {
        return bodyNode;
    }
    
    /**
     * Get the static scoping information.
     * 
     * @return the scoping info
     */
    public StaticScope getScope() {
        return scope;
    }

    /**
     * Gets the className.
     * @return Returns representation of class path+name
     */
    public Colon3Node getCPath() {
        return cpath;
    }

    /**
     * Gets the superNode.
     * @return Returns a Node
     */
    public Node getSuperNode() {
        return superNode;
    }

    public List childNodes() {
        return Node.createList(cpath, bodyNode, superNode);
    }
    
    public String toString() {
        return "ClassNode [" + cpath + "]";
    }

}