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

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 *
 * 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
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 * Copyright (C) 2005 Thomas E Enebo <enebo@acm.org>
 * 
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package org.jruby.ast;

import java.io.IOException;
import java.util.List;

import org.jruby.ast.types.INameNode;
import org.jruby.ast.visitor.NodeVisitor;
import org.jruby.evaluator.Instruction;
import org.jruby.lexer.yacc.ISourcePosition;

/**
 * Simple Node that allows editor projects to keep position info in AST
 * (evaluation does not need this).
 */
public class ArgumentNode extends Node implements INameNode {
    private static final long serialVersionUID = -6375678995811376530L;
    private String identifier;
    
    public ArgumentNode(ISourcePosition position, String identifier) {
        super(position, NodeTypes.ARGUMENTNODE);
        
        this.identifier = identifier.intern();
    }
    
    private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException {
        in.defaultReadObject();
        
        identifier = identifier.intern();
    }

    public Instruction accept(NodeVisitor visitor) {
        throw new RuntimeException("ArgumentNode should never be evaluated");
    }
    
    public String getName() {
        return identifier;
    }
    
    public void setName(String name) {
        this.identifier = name;
    }

    public List childNodes() {
        return EMPTY_LIST;
    }
}