harpoon.Interpret.Tree
Class UndefinedPointer

java.lang.Object
  harpoon.Util.Tuple
      harpoon.Interpret.Tree.UndefinedPointer

All Implemented Interfaces:

Serializable, Comparable

public class UndefinedPointer
extends Tuple

The UndefinedPointer class represents a pointer to a value for which the type is not known. It is an error to access the value of this pointer until it is converted to a pointer of another type.

Version:

$Id: UndefinedPointer.java,v 1.2 2002/02/25 21:06:01 cananian Exp $

Author:

Duncan Bryce <duncan@lcs.mit.edu>

See Also:

Serialized Form

Field Summary

static int	ARRAY_PTR
static int	CLAZ_PTR
static int	CONST_PTR
static int	FIELD_PTR
static int	IFACE_PTR
static int	STRING_PTR
static int	UNDEF_PTR

Constructor Summary

UndefinedPointer(UndefinedRef ref, long offset)
Class constructor

Method Summary

harpoon.Interpret.Tree.Pointer	add(long offset) Adds the specified offset to the offset of this UndefinedPointer and returns the resulting pointer.
Object	getBase() Returns an UndefinedRef object representing the base of this UndefinedPointer.
long	getOffset() Returns the offset of this UndefinedPointer.
boolean	isConst() Always returns false.
boolean	isDerived() Always returns false.
int	kind() Returns an integer enumeration of the kind of this Pointer.
String	toString() Returns a human-readable representation of this UndefinedPointer.

Methods inherited from class harpoon.Util.Tuple

asList, compareTo, equals, hashCode, proj

Methods inherited from class java.lang.Object

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

Field Detail

ARRAY_PTR

public static final int ARRAY_PTR

See Also:

Constant Field Values

CLAZ_PTR

public static final int CLAZ_PTR

See Also:

Constant Field Values

CONST_PTR

public static final int CONST_PTR

See Also:

Constant Field Values

FIELD_PTR

public static final int FIELD_PTR

See Also:

Constant Field Values

IFACE_PTR

public static final int IFACE_PTR

See Also:

Constant Field Values

STRING_PTR

public static final int STRING_PTR

See Also:

Constant Field Values

UNDEF_PTR

public static final int UNDEF_PTR

See Also:

Constant Field Values

Constructor Detail

UndefinedPointer

public UndefinedPointer(UndefinedRef ref,
                        long offset)

Class constructor

Method Detail

add

public harpoon.Interpret.Tree.Pointer add(long offset)

Adds the specified offset to the offset of this UndefinedPointer and returns the resulting pointer.

getBase

public Object getBase()

Returns an UndefinedRef object representing the base of this UndefinedPointer.

getOffset

public long getOffset()

Returns the offset of this UndefinedPointer.

isConst

public boolean isConst()

Always returns false.

isDerived

public boolean isDerived()

Always returns false.

kind

public int kind()

Returns an integer enumeration of the kind of this Pointer. The enumerated values are public fields of the Pointer class.

toString

public String toString()

Returns a human-readable representation of this UndefinedPointer.

Overrides:

toString in class Tuple