1 /*

     2  * Copyright (c) 1998, 2001, 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 }