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Java > Open Source Codes > gov > nasa > jpf > jvm > StaticFields


1 //
2 // Copyright (C) 2005 United States Government as represented by the
3 // Administrator of the National Aeronautics and Space Administration
4 // (NASA). All Rights Reserved.
5 //
6 // This software is distributed under the NASA Open Source Agreement
7 // (NOSA), version 1.3. The NOSA has been approved by the Open Source
8 // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
9 // directory tree for the complete NOSA document.
10 //
11 // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12 // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13 // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14 // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15 // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16 // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17 // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18 //
19 package gov.nasa.jpf.jvm;
20
21 /**
22  * <2do> pcm - another superfluous type, we should reduce this to Fields. See
23  * DynamicFields
24  *
25  * Represents the fields of an object or class. Contains the values of the
26  * fields, not their descriptors. Descriptors are represented by
27  * gov.nasa.jpf.jvm.FieldInfo objects, which are stored in the
28  * ClassInfo structure. Unlike DynamicFields, ONLY the values of fields of
29  * a single class are present in a StaticFields.
30  * @see gov.nasa.jpf.jvm.FieldInfo
31  */
32 public class StaticFields extends Fields {
33   /**
34    * Creates a new field object.
35    */
36   public StaticFields (ClassInfo ci) {
37     super(ci.getType(), ci, ci.getStaticDataSize());
38     ci.initializeStaticData(this);
39   }
40
41   public FieldInfo getFieldInfo (String JavaDoc clsBase, String JavaDoc fname) {
42     return ci.getStaticField(clsBase, fname);
43   }
44
45   public String JavaDoc getLogChar () {
46     return "@";
47   }
48
49   public boolean equals (Object JavaDoc o) {
50     if (o == null) {
51       return false;
52     }
53
54     if (!(o instanceof StaticFields)) {
55       return false;
56     }
57
58     return super.equals(o);
59   }
60
61   public FieldInfo getFieldInfo (int index) {
62     return ci.getStaticField(index);
63   }
64   
65   public int getNumberOfFields () {
66     return ci.getNumberOfStaticFields();
67   }
68 }
69
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