org.apache.tomcat.util.bcel.classfile
Class StackMapType

java.lang.Object
  org.apache.tomcat.util.bcel.classfile.StackMapType

All Implemented Interfaces:

Serializable, Cloneable

public final class StackMapType
extends Object
implements Cloneable, Serializable

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

Version:

$Id: StackMapType.java 1059614 2011-01-16 16:50:25Z markt $

Author:

M. Dahm

See Also:

StackMapEntry, StackMap, Constants, Serialized Form

Constructor Summary

StackMapType(byte type, int index, ConstantPool constant_pool)

Method Summary

void	dump(DataOutputStream file) Dump type entries to file.
int	getIndex()
boolean	hasIndex()
void	setConstantPool(ConstantPool constant_pool)
void	setIndex(int t)
void	setType(byte t)
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)

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(DataOutputStream file)
                throws IOException

Dump type entries to file.

Parameters:

file - Output file stream

Throws:

IOException

hasIndex

public final boolean hasIndex()

Returns:

true, if type is either ITEM_Object or ITEM_NewObject

toString

public final String toString()

Overrides:

toString in class Object

Returns:

String representation

setConstantPool

public final void setConstantPool(ConstantPool constant_pool)

Parameters:

constant_pool - Constant pool to be used for this object.