/*

 * Copyright (c) 1998, 2013, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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 build.tools.jdwpgen;

import java.util.*;

import java.io.*;

class CommandNode extends AbstractCommandNode {

    void constrain(Context ctx) {

        if (components.size() == 3) {

            Node out   = components.get(0);

            Node reply = components.get(1);

            Node error = components.get(2);

            if (!(out instanceof OutNode)) {

                error("Expected 'Out' item, got: " + out);

            }

            if (!(reply instanceof ReplyNode)) {

                error("Expected 'Reply' item, got: " + reply);

            }

            if (!(error instanceof ErrorSetNode)) {

                error("Expected 'ErrorSet' item, got: " + error);

            }

        } else if (components.size() == 1) {

            Node evt = components.get(0);

            if (!(evt instanceof EventNode)) {

                error("Expected 'Event' item, got: " + evt);

            }

        } else {

            error("Command must have Out and Reply items or ErrorSet item");

        }

        super.constrain(ctx);

    }

    void genJavaClassSpecifics(PrintWriter writer, int depth) {

        indent(writer, depth);

        writer.println("static final int COMMAND = " +

                       nameNode.value() + ";");

    }

    void genJava(PrintWriter writer, int depth) {

        genJavaClass(writer, depth);

    }

}