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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 
26 package build.tools.jdwpgen;
27 
28 import java.util.*;
29 import java.io.*;
30 
31 class ConstantNode extends AbstractCommandNode {
32 
ConstantNode()33     ConstantNode() {
34         this(new ArrayList<Node>());
35     }
36 
ConstantNode(List<Node> components)37     ConstantNode(List<Node> components) {
38         this.kind = "Constant";
39         this.components = components;
40         this.lineno = 0;
41     }
42 
constrain(Context ctx)43     void constrain(Context ctx) {
44         if (components.size() != 0) {
45             error("Constants have no internal structure");
46         }
47         super.constrain(ctx);
48     }
49 
genJava(PrintWriter writer, int depth)50     void genJava(PrintWriter writer, int depth) {
51         indent(writer, depth);
52         writer.println("static final int " + name + " = " +
53                        nameNode.value() + ";");
54     }
55 
document(PrintWriter writer)56     void document(PrintWriter writer) {
57 
58         //Add anchor to each constant with format <constant table name>_<constant name>
59         writer.println("<tr><td>" + name + "<td>" + nameNode.value() +
60                        "<td>" + comment() + " &nbsp;");
61     }
62 
getName()63     public String getName(){
64 
65         if (name == null || name.length() == 0) {
66             prune();
67         }
68         return name;
69     }
70 }
71