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 
  33     ConstantNode() {
  34         this(new ArrayList<Node>());
  35     }
  36 
  37     ConstantNode(List<Node> components) {
  38         this.kind = "Constant";
  39         this.components = components;
  40         this.lineno = 0;
  41     }
  42 
  43     void constrain(Context ctx) {
  44         if (components.size() != 0) {
  45             error("Constants have no internal structure");
  46         }
  47         super.constrain(ctx);
  48     }
  49 
  50     void genJava(PrintWriter writer, int depth) {
  51         indent(writer, depth);
  52         writer.println("static final int " + name + " = " +
  53                        nameNode.value() + ";");
  54     }
  55 
  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 
  63     public String getName(){
  64 
  65         if (name == null || name.length() == 0) {
  66             prune();
  67         }
  68         return name;
  69     }
  70 }