Class AbstractReflectivePut

java.lang.Object

com.ibm.wala.ssa.SSAInstruction

com.ibm.wala.ssa.ReflectiveMemberAccess

com.ibm.wala.cast.ir.ssa.AbstractReflectivePut

Direct Known Subclasses:

AstPropertyWrite

public abstract class AbstractReflectivePut
extends ReflectiveMemberAccess

This abstract class represents field (a.k.a property) writes in which the field name is not a constant, but rather a computed value. This is common in scripting languages, and so this base class is shared across all languages that need such accesses.

Author:

Julian Dolby (dolby@us.ibm.com)

Nested Class Summary

Nested classes/interfaces inherited from class SSAInstruction

SSAInstruction.IVisitor, SSAInstruction.Visitor

Modifier and Type	Class	Description
static interface	SSAInstruction.IVisitor	This interface is used by Instruction.visit to dispatch based on the instruction type.
static class	SSAInstruction.Visitor	A base visitor implementation that does nothing.

Field Summary

Fields inherited from class ReflectiveMemberAccess

memberRef, objectRef

Modifier and Type	Field	Description
protected final int	memberRef
protected final int	objectRef

Fields inherited from class SSAInstruction

NO_INDEX

Modifier and Type	Field	Description
static final int	NO_INDEX

Constructor Summary

Constructors

Constructor	Description
AbstractReflectivePut(int iindex, int objectRef, int memberRef, int value)

Method Summary

Modifier and Type	Method	Description
int	getDef()
int	getNumberOfUses()
int	getUse(int index)
int	getValue()
String	toString(SymbolTable symbolTable)

Methods inherited from class ReflectiveMemberAccess

getMemberRef, getObjectRef, hashCode, isFallThrough

Modifier and Type	Method	Description
int	getMemberRef()
int	getObjectRef()
int	hashCode()
boolean	isFallThrough()

Methods inherited from class SSAInstruction

copyForSSA, equals, getDef, getExceptionTypes, getNumberOfDefs, getValueString, hasDef, iIndex, isPEI, setInstructionIndex, toString, visit

Modifier and Type	Method	Description
abstract SSAInstruction	copyForSSA(SSAInstructionFactory insts, int[] defs, int[] uses)	This method is meant to be used during SSA conversion for an IR that is not in SSA form.
final boolean	equals(Object obj)	We assume these instructions are canonical and managed by a governing IR object.
int	getDef(int i)	Return the ith def
Collection<TypeReference>	getExceptionTypes()	This method should never return null.
int	getNumberOfDefs()
protected String	getValueString(SymbolTable symbolTable, int valueNumber)
boolean	hasDef()	Does this instruction define a normal value, as distinct from a set of exceptions possibly thrown by it (e.g.
int	iIndex()
boolean	isPEI()
void	setInstructionIndex(int instructionIndex)
String	toString()
abstract void	visit(SSAInstruction.IVisitor v)	Apply an IVisitor to this instruction.

Methods inherited from class Object

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

Constructor Details

AbstractReflectivePut

public AbstractReflectivePut(int iindex,
 int objectRef,
 int memberRef,
 int value)

Method Details

toString

public String toString(SymbolTable symbolTable)

Overrides:

toString in class ReflectiveMemberAccess

getDef

public int getDef()

Overrides:

getDef in class SSAInstruction

See Also:

• SSAInstruction.getDef()

getNumberOfUses

public int getNumberOfUses()

Overrides:

getNumberOfUses in class SSAInstruction

See Also:

• SSAInstruction.getNumberOfUses()

getValue

public int getValue()

getUse

public int getUse(int index)

Overrides:

getUse in class ReflectiveMemberAccess

Returns:

value number representing the jth use in this instruction. -1 means TOP (i.e., the value doesn't matter)