/*
 * Copyright (c) 2007, 2011, 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.sun.max.jdwp.generate;

import java.io.*;
import java.util.*;

/**
 * @author JDK7: jdk/make/tools/src/build/tools/jdwpgen
 */
class ConstantSetNode extends AbstractNamedNode {

    /**
     * The mapping between a constant and its value.
     */
    protected static Map<String, String> constantMap;

    ConstantSetNode() {
        if (constantMap == null) {
            constantMap = new HashMap<String, String>();
        }
    }

    @Override
    void constrainComponent(Context ctx, Node node) {
        if (node instanceof ConstantNode) {
            node.constrain(ctx);
            constantMap.put(name() + "_" + ((ConstantNode) node).getName(), node.comment());
        } else {
            error("Expected 'Constant', got: " + node);
        }
    }

    @Override
    public String javaType() {
        return name();
    }

    @Override
    void genJavaClassSpecifics(PrintWriter writer, int depth) {
    }

    @Override
    void genJava(PrintWriter writer, int depth) {
        genJavaClass(writer, depth);
    }

    public static String getConstant(String key) {
        if (constantMap == null) {
            return "";
        }
        final String com = constantMap.get(key);
        if (com == null) {
            return "";
        }
        return com;
    }

}