com.ibm.wala.classLoader

Class ProgramCounter

java.lang.Object

com.ibm.wala.classLoader.ProgramCounter

Direct Known Subclasses:

CallSiteReference, NewSiteReference

public class ProgramCounter
extends java.lang.Object

Simple object that represents a program counter value (i.e., an instruction in the bytecode)

Field Summary

Fields

Modifier and Type	Field and Description
static int	NO_SOURCE_LINE_NUMBER A constant indicating no source line number information is available.

Constructor Summary

Constructors

Constructor and Description
ProgramCounter(int programCounter)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj) A Program Counter value is enough to uniquely identify a call site reference within a method.
int	getProgramCounter() Return the program counter (index into the method's bytecode) for this call site.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NO_SOURCE_LINE_NUMBER

public static final int NO_SOURCE_LINE_NUMBER

A constant indicating no source line number information is available.

See Also:

Constant Field Values

Constructor Detail

ProgramCounter

public ProgramCounter(int programCounter)

Parameters:

programCounter - Index into bytecode describing this instruction

Method Detail

getProgramCounter

public int getProgramCounter()

Return the program counter (index into the method's bytecode) for this call site.

Returns:

the program counter (index into the method's bytecode) for this call site.

equals

public boolean equals(java.lang.Object obj)

A Program Counter value is enough to uniquely identify a call site reference within a method.

Note: must use these objects with extreme care; this only works if you never mix ProgramLocations from different methods in the same collection.

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object