1/*
2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package build.tools.jdwpgen;
27
28import java.util.*;
29import java.io.*;
30
31class CommandNode extends AbstractCommandNode {
32
33    void constrain(Context ctx) {
34        if (components.size() == 3) {
35            Node out   = components.get(0);
36            Node reply = components.get(1);
37            Node error = components.get(2);
38            if (!(out instanceof OutNode)) {
39                error("Expected 'Out' item, got: " + out);
40            }
41            if (!(reply instanceof ReplyNode)) {
42                error("Expected 'Reply' item, got: " + reply);
43            }
44            if (!(error instanceof ErrorSetNode)) {
45                error("Expected 'ErrorSet' item, got: " + error);
46            }
47        } else if (components.size() == 1) {
48            Node evt = components.get(0);
49            if (!(evt instanceof EventNode)) {
50                error("Expected 'Event' item, got: " + evt);
51            }
52        } else {
53            error("Command must have Out and Reply items or ErrorSet item");
54        }
55        super.constrain(ctx);
56    }
57
58    void genJavaClassSpecifics(PrintWriter writer, int depth) {
59        indent(writer, depth);
60        writer.println("static final int COMMAND = " +
61                       nameNode.value() + ";");
62    }
63
64    void genJava(PrintWriter writer, int depth) {
65        genJavaClass(writer, depth);
66    }
67}
68