CONSTANT_Float_info


1   /* Copyright (C) 2003 Vladimir Roubtsov. All rights reserved.
2    * 
3    * This program and the accompanying materials are made available under
4    * the terms of the Common Public License v1.0 which accompanies this distribution,
5    * and is available at http://www.eclipse.org/legal/cpl-v10.html
6    * 
7    * $Id: CONSTANT_Float_info.java,v 1.1.1.1 2004/05/09 16:57:48 vlad_r Exp $
8    */
9   package com.vladium.jcd.cls.constant;
10  
11  import java.io.IOException  ;
12  
13  import com.vladium.jcd.lib.UDataInputStream;
14  import com.vladium.jcd.lib.UDataOutputStream;
15  
16  // ----------------------------------------------------------------------------
17  /**
18   * The CONSTANT_Integer_info and CONSTANT_Float_info structures represent
19   * four-byte numeric (int and float) constants.<P>
20   * 
21   * The bytes item of the CONSTANT_Float_info structure contains the value of
22   * the float constant in IEEE 754 floating-point "single format" bit layout.
23   * 
24   * @author (C) 2001, Vlad Roubtsov
25   */
26  public
27  final class CONSTANT_Float_info extends CONSTANT_literal_info
28  {
29      // public: ................................................................
30  
31      public static final byte TAG = 4;
32      
33      public float m_value;
34      
35      
36      public CONSTANT_Float_info (final float value)
37      {
38          m_value = value;
39      }
40  
41      public final byte tag ()
42      {
43          return TAG;
44      }
45      
46      // Visitor:
47      
48      public Object   accept (final ICONSTANTVisitor visitor, final Object   ctx)
49      {
50          return visitor.visit (this, ctx);
51      }
52      
53      public String   toString ()
54      {
55          return Float.toString (m_value);
56      }
57      
58      // Cloneable: inherited clone() is Ok
59      
60      // IClassFormatOutput:
61      
62      public void writeInClassFormat (final UDataOutputStream out) throws IOException  
63      {
64          super.writeInClassFormat (out);
65          
66          out.writeFloat (m_value);
67      }
68      
69      // protected: .............................................................
70  
71      
72      protected CONSTANT_Float_info (final UDataInputStream bytes) throws IOException  
73      {
74          m_value = bytes.readFloat ();
75      }
76      
77      // package: ...............................................................
78  
79      // private: ...............................................................
80  
81  } // end of class
82  // ----------------------------------------------------------------------------
83
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