1/*
2 * Copyright (c) 2014, 2016, 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 jdk.jshell.execution;
27
28/**
29 * Communication constants shared between the main process and the remote
30 * execution process.  These are not enums to allow for future expansion, and
31 * remote/local of different versions.
32 *
33 * @author Robert Field
34 */
35class RemoteCodes {
36
37    /**
38     * Command prefix markers.
39     */
40    static final int COMMAND_PREFIX = 0xC03DC03D;
41
42    // Command codes
43
44    /**
45     * Exit the the agent.
46     */
47    static final String CMD_CLOSE          = "CMD_CLOSE";
48    /**
49     * Load classes.
50     */
51    static final String CMD_LOAD           = "CMD_LOAD";
52    /**
53     * Redefine classes.
54     */
55    static final String CMD_REDEFINE       = "CMD_REDEFINE";
56    /**
57     * Invoke a method.
58     */
59    static final String CMD_INVOKE         = "CMD_INVOKE";
60    /**
61     * Retrieve the value of a variable.
62     */
63    static final String CMD_VAR_VALUE      = "CMD_VAR_VALUE";
64    /**
65     * Add to the class-path.
66     */
67    static final String CMD_ADD_CLASSPATH  = "CMD_ADD_CLASSPATH";
68    /**
69     * Stop an invoke.
70     */
71    static final String CMD_STOP           = "CMD_STOP";
72
73    // Return result codes
74
75    /**
76     * The command succeeded.
77     */
78    static final int RESULT_SUCCESS                 = 100;
79    /**
80     * Unbidden execution engine termination.
81     */
82    static final int RESULT_TERMINATED              = 101;
83    /**
84     * Command not implemented.
85     */
86    static final int RESULT_NOT_IMPLEMENTED         = 102;
87    /**
88     * The command failed.
89     */
90    static final int RESULT_INTERNAL_PROBLEM        = 103;
91    /**
92     * User exception encountered.
93     */
94    static final int RESULT_USER_EXCEPTION          = 104;
95    /**
96     * Corralled code exception encountered.
97     */
98    static final int RESULT_CORRALLED               = 105;
99    /**
100     * Exception encountered during class load/redefine.
101     */
102    static final int RESULT_CLASS_INSTALL_EXCEPTION = 106;
103    /**
104     * The invoke has been stopped.
105     */
106    static final int RESULT_STOPPED                 = 107;
107
108}
109