Class LocalAllocator

java.lang.Object

com.ibm.wala.shrike.shrikeBT.info.LocalAllocator

All Implemented Interfaces:

MethodData.Results

public class LocalAllocator
extends Object
implements MethodData.Results

This method annotation parcels out fresh local variables for use as temporaries by instrumentation code. It assumes that local variables are not allocated by any other mechanism.

Method Summary

Modifier and Type	Method	Description
static int	allocate(MethodData info)	Allocates a new local that will fit any type.
static int	allocate(MethodData info, int count)	Allocates a new local variable of the specified type.
static int	allocate(MethodData info, String type)
boolean	notifyUpdate(MethodData info, IInstruction[] newInstructions, ExceptionHandler[][] newHandlers, int[] newInstructionMap)	This should not be called by clients.

Methods inherited from class java.lang.Object

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

Method Details

notifyUpdate

public boolean notifyUpdate(MethodData info,
 IInstruction[] newInstructions,
 ExceptionHandler[][] newHandlers,
 int[] newInstructionMap)

This should not be called by clients.

Specified by:

notifyUpdate in interface MethodData.Results

Parameters:

info - the method data this annotation is attached to

newInstructions - the instructions the method will change to

newHandlers - the handler lists the method will change to

newInstructionMap - the instructions-to-bytecodes map the method will change to

Returns:

true to remove the object from the info set, for example because the annotation is now invalid

allocate

public static int allocate(MethodData info,
 int count)
                    throws IllegalArgumentException

Allocates a new local variable of the specified type.

Throws:

IllegalArgumentException

allocate

public static int allocate(MethodData info,
 String type)
                    throws IllegalArgumentException

Throws:

IllegalArgumentException

allocate

public static int allocate(MethodData info)
                    throws IllegalArgumentException

Allocates a new local that will fit any type.

Throws:

IllegalArgumentException