proguard.classfile.attribute.preverification

Class StackMapFrame

java.lang.Object

proguard.classfile.attribute.preverification.StackMapFrame

All Implemented Interfaces:

VisitorAccepter

Direct Known Subclasses:

FullFrame, LessZeroFrame, MoreZeroFrame, SameOneFrame, SameZeroFrame

public abstract class StackMapFrame
extends Object
implements VisitorAccepter

This abstract class represents a stack map frame. Specific types of entries are subclassed from it.

Author:

Eric Lafortune

Field Summary

Fields

Modifier and Type	Field and Description
static int	FULL_FRAME
static int	LESS_ZERO_FRAME
static int	MORE_ZERO_FRAME
static int	SAME_ONE_FRAME
static int	SAME_ONE_FRAME_EXTENDED
static int	SAME_ZERO_FRAME
static int	SAME_ZERO_FRAME_EXTENDED
int	u2offsetDelta
Object	visitorInfo An extra field in which visitors can store information.

Constructor Summary

Constructors

Constructor and Description
StackMapFrame()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	accept(Clazz clazz, Method method, CodeAttribute codeAttribute, int offset, StackMapFrameVisitor stackMapFrameVisitor) Accepts the given visitor.
boolean	equals(Object object)
int	getOffsetDelta() Returns the bytecode offset delta relative to the previous stack map frame.
abstract int	getTag() Returns the stack map frame tag that specifies the entry type.
Object	getVisitorInfo() Gets the visitor information of the visitor accepter.
int	hashCode()
void	setVisitorInfo(Object visitorInfo) Sets the visitor information of the visitor accepter.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SAME_ZERO_FRAME

public static final int SAME_ZERO_FRAME

See Also:

Constant Field Values

SAME_ONE_FRAME

public static final int SAME_ONE_FRAME

See Also:

Constant Field Values

SAME_ONE_FRAME_EXTENDED

public static final int SAME_ONE_FRAME_EXTENDED

See Also:

Constant Field Values

LESS_ZERO_FRAME

public static final int LESS_ZERO_FRAME

See Also:

Constant Field Values

SAME_ZERO_FRAME_EXTENDED

public static final int SAME_ZERO_FRAME_EXTENDED

See Also:

Constant Field Values

MORE_ZERO_FRAME

public static final int MORE_ZERO_FRAME

See Also:

Constant Field Values

FULL_FRAME

public static final int FULL_FRAME

See Also:

Constant Field Values

u2offsetDelta

public int u2offsetDelta

visitorInfo

public Object visitorInfo

An extra field in which visitors can store information.

Constructor Detail

StackMapFrame

public StackMapFrame()

Method Detail

getOffsetDelta

public int getOffsetDelta()

Returns the bytecode offset delta relative to the previous stack map frame.

getTag

public abstract int getTag()

Returns the stack map frame tag that specifies the entry type.

accept

public abstract void accept(Clazz clazz,
          Method method,
          CodeAttribute codeAttribute,
          int offset,
          StackMapFrameVisitor stackMapFrameVisitor)

Accepts the given visitor.

getVisitorInfo

public Object getVisitorInfo()

Description copied from interface: VisitorAccepter

Gets the visitor information of the visitor accepter.

Specified by:

getVisitorInfo in interface VisitorAccepter

setVisitorInfo

public void setVisitorInfo(Object visitorInfo)

Description copied from interface: VisitorAccepter

Sets the visitor information of the visitor accepter.

Specified by:

setVisitorInfo in interface VisitorAccepter

equals

public boolean equals(Object object)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object