de.fub.bytecode.classfile
Class StackMap

java.lang.Object
  |
  +--de.fub.bytecode.classfile.Attribute
        |
        +--de.fub.bytecode.classfile.StackMap

All Implemented Interfaces:

java.lang.Cloneable, Node

public final class StackMap

extends Attribute

implements Node

This class represents a stack map attribute used for preverification of Java classes for the Java 2 Micro Edition (J2ME). This attribute is used by the KVM and contained within the Code attribute of a method. See CLDC specification §5.3.1.2

Version:

$Id: StackMap.java,v 1.4 2001/08/15 14:47:50 dahm Exp $

Author:

M. Dahm

See Also:

Code, StackMapEntry, StackMapType

Fields inherited from class de.fub.bytecode.classfile.Attribute

constant_pool, length, name_index, tag

Constructor Summary

StackMap(int name_index, int length, StackMapEntry[] map, ConstantPool constant_pool)

Method Summary

void	accept(Visitor v) Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
Attribute	copy(ConstantPool constant_pool)
void	dump(java.io.DataOutputStream file) Dump line number table attribute to file stream in binary format.
int	getMapLength()
StackMapEntry[]	getStackMap()
void	setStackMap(StackMapEntry[] map)
java.lang.String	toString()

Methods inherited from class de.fub.bytecode.classfile.Attribute

clone, getConstantPool, getLength, getNameIndex, getTag, setConstantPool, setLength, setNameIndex

Methods inherited from class java.lang.Object

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

Constructor Detail

StackMap

public StackMap(int name_index,
                int length,
                StackMapEntry[] map,
                ConstantPool constant_pool)

Method Detail

dump

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

Dump line number table attribute to file stream in binary format.

Overrides:

dump in class Attribute

Parameters:

file - Output file stream

getStackMap

public final StackMapEntry[] getStackMap()

Returns:

Array of stack map entries

setStackMap

public final void setStackMap(StackMapEntry[] map)

Parameters:

map - Array of stack map entries

toString

public final java.lang.String toString()

Overrides:

toString in class Attribute

Returns:

String representation.

copy

public Attribute copy(ConstantPool constant_pool)

Overrides:

copy in class Attribute

Returns:

deep copy of this attribute

accept

public void accept(Visitor v)

Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.

Specified by:

accept in interface Node

Overrides:

accept in class Attribute

Parameters:

v - Visitor object

getMapLength

public final int getMapLength()