de.fub.bytecode.classfile
Class StackMapType

java.lang.Object
  |
  +--de.fub.bytecode.classfile.StackMapType

All Implemented Interfaces:

java.lang.Cloneable

public final class StackMapType

extends java.lang.Object

implements java.lang.Cloneable

This class represents the type of a local variable or item on stack used in the StackMap entries.

Version:

$Id: StackMapType.java,v 1.2 2001/08/15 14:47:50 dahm Exp $

Author:

M. Dahm

See Also:

StackMapEntry, StackMap, Constants

Constructor Summary

StackMapType(byte type, int index, ConstantPool constant_pool)

Method Summary

StackMapType	copy()
void	dump(java.io.DataOutputStream file) Dump type entries to file.
ConstantPool	getConstantPool()
int	getIndex()
byte	getType()
boolean	hasIndex()
void	setConstantPool(ConstantPool constant_pool)
void	setIndex(int t)
void	setType(byte t)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

StackMapType

public StackMapType(byte type,
                    int index,
                    ConstantPool constant_pool)

Parameters:

type - type tag as defined in the Constants interface

index - index to constant pool, or byte code offset

Method Detail

setType

public void setType(byte t)

getType

public byte getType()

setIndex

public void setIndex(int t)

getIndex

public int getIndex()

Returns:

index to constant pool if type == ITEM_Object, or offset in byte code, if type == ITEM_NewObject, and -1 otherwise

dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException

Dump type entries to file.

Parameters:

file - Output file stream

hasIndex

public final boolean hasIndex()

Returns:

true, if type is either ITEM_Object or ITEM_NewObject

toString

public final java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

String representation

copy

public StackMapType copy()

Returns:

deep copy of this object

getConstantPool

public final ConstantPool getConstantPool()

Returns:

Constant pool used by this object.

setConstantPool

public final void setConstantPool(ConstantPool constant_pool)

Parameters:

constant_pool - Constant pool to be used for this object.