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1
4 package gnu.bytecode;
5 import java.io.*;
6
7
8
9 public class
10 CpoolRef extends CpoolEntry
11 {
12 CpoolClass clas;
13 CpoolNameAndType nameAndType;
14
15
20 int tag;
21 public int getTag() { return tag; }
22
23 public final CpoolClass getCpoolClass()
24 {
25 return clas;
26 }
27
28 public final CpoolNameAndType getNameAndType()
29 {
30 return nameAndType;
31 }
32
33 CpoolRef (int tag) { this.tag = tag; }
34
35 CpoolRef (ConstantPool cpool, int hash, int tag,
36 CpoolClass clas, CpoolNameAndType nameAndType)
37 {
38 super (cpool, hash);
39 this.tag = tag;
40 this.clas = clas;
41 this.nameAndType = nameAndType;
42 }
43
44 final static int hashCode (CpoolClass clas, CpoolNameAndType nameAndType)
45 {
46 return clas.hashCode() ^ nameAndType.hashCode();
47 }
48
49 public int hashCode ()
50 {
51 if (hash == 0)
52 hash = hashCode(clas, nameAndType);
53 return hash;
54 }
55
56 void write (DataOutputStream dstr) throws java.io.IOException 
57 {
58 dstr.writeByte (tag);
59 dstr.writeShort (clas.index);
60 dstr.writeShort (nameAndType.index);
61 }
62
63 public void print (ClassTypeWriter dst, int verbosity)
64 {
65 String str;
66 switch (tag)
67 {
68 case 9: str = "Field"; break;
69 case 10: str = "Method"; break;
70 case 11: str = "InterfaceMethod"; break;
71 default: str = "<Unknown>Ref"; break;
72 }
73 if (verbosity > 0)
74 {
75 dst.print(str);
76 if (verbosity == 2)
77 {
78 dst.print(" class: ");
79 dst.printOptionalIndex(clas);
80 }
81 else
82 dst.print( ' ');
83 }
84 clas.print(dst, 0);
85 if (verbosity < 2)
86 dst.print('.');
87 else
88 {
89 dst.print(" name_and_type: ");
90 dst.printOptionalIndex(nameAndType);
91 dst.print('<');
92 }
93 nameAndType.print(dst, 0);
94 if (verbosity == 2)
95 dst.print('>');
96 }
97 }
98
99 |
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