Class CrossLanguageInstanceKeys

java.lang.Object

com.ibm.wala.cast.ipa.callgraph.CrossLanguageInstanceKeys

All Implemented Interfaces:

InstanceKeyFactory

public class CrossLanguageInstanceKeys
extends Object
implements InstanceKeyFactory

An InstanceKeyFactory implementation that is designed to support multiple languages. This implementation delegates to one of several child instance key factories based on the language associated with the IClass or TypeReference for which an instance key is being chosen.

Author:

Julian Dolby (dolby@us.ibm.com)

Constructor Summary

Constructors

Constructor	Description
CrossLanguageInstanceKeys(Map<Atom,InstanceKeyFactory> languageSelectors)

Method Summary

Modifier and Type	Method	Description
InstanceKey	getInstanceKeyForAllocation(CGNode node, NewSiteReference allocation)
InstanceKey	getInstanceKeyForConstant(TypeReference type, Object S)
InstanceKey	getInstanceKeyForMetadataObject(Object obj, TypeReference objType)
InstanceKey	getInstanceKeyForMultiNewArray(CGNode node, NewSiteReference allocation, int dim)
InstanceKey	getInstanceKeyForPEI(CGNode node, ProgramCounter instr, TypeReference type)

Methods inherited from class java.lang.Object

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

Constructor Details

CrossLanguageInstanceKeys

public CrossLanguageInstanceKeys(Map<Atom,InstanceKeyFactory> languageSelectors)

Method Details

getInstanceKeyForAllocation

public InstanceKey getInstanceKeyForAllocation(CGNode node,
 NewSiteReference allocation)

Specified by:

getInstanceKeyForAllocation in interface InstanceKeyFactory

Returns:

the instance key that represents a particular allocation

getInstanceKeyForMultiNewArray

public InstanceKey getInstanceKeyForMultiNewArray(CGNode node,
 NewSiteReference allocation,
 int dim)

Specified by:

getInstanceKeyForMultiNewArray in interface InstanceKeyFactory

Returns:

the instance key that represents the array allocated as the dim_th dimension at a particular allocation

getInstanceKeyForConstant

public InstanceKey getInstanceKeyForConstant(TypeReference type,
 Object S)

Specified by:

getInstanceKeyForConstant in interface InstanceKeyFactory

Returns:

the instance key that represents a constant with value S, when considered as a particular type

getInstanceKeyForPEI

public InstanceKey getInstanceKeyForPEI(CGNode node,
 ProgramCounter instr,
 TypeReference type)

Specified by:

getInstanceKeyForPEI in interface InstanceKeyFactory

Returns:

the instance key that represents the exception of type _type_ thrown by a particular PEI.

getInstanceKeyForMetadataObject

public InstanceKey getInstanceKeyForMetadataObject(Object obj,
 TypeReference objType)

Specified by:

getInstanceKeyForMetadataObject in interface InstanceKeyFactory

Parameters:

objType - TODO

Returns:

the instance key that represents the metadata object obj