harpoon.IR.RawClass
Class AttributeSignature

java.lang.Object
  harpoon.IR.RawClass.Attribute
      harpoon.IR.RawClass.AttributeSignature

public class AttributeSignature
extends Attribute

Classfiles need to carry generic type information in a backwards-compatible way. This is accomplished by introducing a new "Signature" attribute for classes, methods, and fields. (GJ)

Version:

$Id: AttributeSignature.java,v 1.3 2003/09/05 21:45:16 cananian Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

See Also:

Attribute, ClassFile

Field Summary

static String	ATTRIBUTE_NAME The string naming this Attribute type.
int	signature_index The value of the signature_index item must be a valid index into the constant_pool table.

Fields inherited from class harpoon.IR.RawClass.Attribute

attribute_name_index, parent

Constructor Summary

AttributeSignature(ClassFile parent, int attribute_name_index, int signature_index)
Constructor.

Method Summary

long	attribute_length() The value of the attribute_length item indicates the length of the attribute, excluding the initial six bytes.
void	print(PrintWriter pw, int indent) Pretty-print this attribute structure.
ConstantUtf8	signature_index()
String	signature()
void	write(ClassDataOutputStream out) Write to bytecode stream.

Methods inherited from class harpoon.IR.RawClass.Attribute

attribute_name_index, attribute_name, read, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ATTRIBUTE_NAME

public static final String ATTRIBUTE_NAME

The string naming this Attribute type.

See Also:

Constant Field Values

signature_index

public int signature_index

The value of the signature_index item must be a valid index into the constant_pool table. The constant pool entry at that index must be a CONSTANT_Utf8_info structure representing the string giving the name of the GJ signature for this method, field, or class.

Constructor Detail

AttributeSignature

public AttributeSignature(ClassFile parent,
                          int attribute_name_index,
                          int signature_index)

Constructor.

Method Detail

attribute_length

public long attribute_length()

Description copied from class: Attribute

The value of the attribute_length item indicates the length of the attribute, excluding the initial six bytes.

Specified by:

attribute_length in class Attribute

signature_index

public ConstantUtf8 signature_index()

signature

public String signature()

write

public void write(ClassDataOutputStream out)
           throws IOException

Write to bytecode stream.

Specified by:

write in class Attribute

Throws:

IOException

print

public void print(PrintWriter pw,
                  int indent)

Pretty-print this attribute structure.

Overrides:

print in class Attribute

Parameters:

indent - the indentation level to use.