blob: 46090b77e9b2e9c76eb6be71309acbe7260287a6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* FJBG -- Fast Java Bytecode Generator
* Copyright 2002-2011 LAMP/EPFL
* @author Michel Schinz
*/
package ch.epfl.lamp.fjbg;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
/**
* Sourcefile attribute, which can be attached to class files to
* associate them with their source file.
*
* There can be no more than one SourceFile attribute in the attributes table
* of a given ClassFile structure. See section 4.8.9 of the JVM specification.
*
* @author Michel Schinz
* @version 1.0
*/
public class JSourceFileAttribute extends JAttribute {
protected final String sourceFileName;
protected final int sourceFileIndex;
public JSourceFileAttribute(FJBGContext context,
JClass clazz,
String sourceFileName) {
super(context, clazz);
this.sourceFileName = sourceFileName;
this.sourceFileIndex = clazz.getConstantPool().addUtf8(sourceFileName);
}
public JSourceFileAttribute(FJBGContext context,
JClass clazz,
Object owner,
String name,
int size,
DataInputStream stream)
throws IOException {
super(context, clazz, name);
this.sourceFileIndex = stream.readShort();
this.sourceFileName = clazz.getConstantPool().lookupUtf8(sourceFileIndex);
assert name.equals(getName());
}
public String getName() { return "SourceFile"; }
public String getFileName() { return sourceFileName; }
// Follows javap output format for SourceFile attribute.
/*@Override*/ public String toString() {
StringBuffer buf = new StringBuffer(" SourceFile: \"");
buf.append(sourceFileName);
buf.append("\"\n");
return buf.toString();
}
protected int getSize() {
return 2; // Short.SIZE
}
protected void writeContentsTo(DataOutputStream stream) throws IOException {
stream.writeShort(sourceFileIndex);
}
}
|