/*
 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.oracle.truffle.dsl.processor.ast;

public class CodeTreeVariable extends CodeTree {

    private final String name;

    private CodeTree value;

    public CodeTreeVariable() {
        super(CodeTreeKind.GROUP, null, null);
        this.name = "";
    }

    public CodeTreeVariable(String name) {
        super(CodeTreeKind.GROUP, null, null);
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void set(CodeTree tree) {
        if (value == tree) {
            return;
        }
        if (this.value != null) {
            remove(this.value);
        }
        this.value = tree;
        add(tree);
    }

    public CodeTree get() {
        return value;
    }

}