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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 
     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 }
     71