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1   /*
2    * Copyright (c) 1994, 2003, 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 sun.tools.asm;
27  
28  import sun.tools.java.*;
29  import sun.tools.tree.StringExpression;
30  import java.io.IOException;
31  import java.io.DataOutputStream;
32  
33  /**
34   * This is a string expression constant. This constant
35   * represents an Java string constant.
36   *
37   * WARNING: The contents of this source file are not part of any
38   * supported API.  Code that depends on them does so at its own risk:
39   * they are subject to change or removal without notice.
40   */
41  final
42  class StringExpressionConstantData extends ConstantPoolData {
43      StringExpression str;
44  
45      /**
46       * Constructor
47       */
48      StringExpressionConstantData(ConstantPool tab, StringExpression str) {
49          this.str = str;
50          tab.put(str.getValue());
51      }
52  
53      /**
54       * Write the constant to the output stream
55       */
56      void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException {
57          out.writeByte(CONSTANT_STRING);
58          out.writeShort(tab.index(str.getValue()));
59      }
60  
61      /**
62       * Return the order of the constant
63       */
64      int order() {
65          return 0;
66      }
67  
68      /**
69       * toString
70       */
71      public String toString() {
72          return "StringExpressionConstantData[" + str.getValue() + "]=" + str.getValue().hashCode();
73      }
74  }