Class JSSSAPropagationCallGraphBuilder.JSConstraintVisitor

java.lang.Object

com.ibm.wala.ssa.SSAInstruction.Visitor

com.ibm.wala.ipa.callgraph.propagation.SSAPropagationCallGraphBuilder.ConstraintVisitor

com.ibm.wala.cast.ipa.callgraph.AstSSAPropagationCallGraphBuilder.AstConstraintVisitor

com.ibm.wala.cast.js.ipa.callgraph.JSSSAPropagationCallGraphBuilder.JSConstraintVisitor

All Implemented Interfaces:

AstInstructionVisitor, JSInstructionVisitor, SSAInstruction.IVisitor

Enclosing class:

JSSSAPropagationCallGraphBuilder

public static class JSSSAPropagationCallGraphBuilder.JSConstraintVisitor
extends AstSSAPropagationCallGraphBuilder.AstConstraintVisitor
implements JSInstructionVisitor

Nested Class Summary

Nested classes/interfaces inherited from class AstSSAPropagationCallGraphBuilder.AstConstraintVisitor

AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.FieldReadAction, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction

Modifier and Type	Class	Description
protected class	AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.FieldReadAction
protected static interface	AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction

Nested classes/interfaces inherited from class SSAPropagationCallGraphBuilder.ConstraintVisitor

SSAPropagationCallGraphBuilder.ConstraintVisitor.DefaultInvariantComputer, SSAPropagationCallGraphBuilder.ConstraintVisitor.InvariantComputer

Modifier and Type	Class	Description
class	SSAPropagationCallGraphBuilder.ConstraintVisitor.DefaultInvariantComputer
protected static interface	SSAPropagationCallGraphBuilder.ConstraintVisitor.InvariantComputer

Field Summary

Fields inherited from class SSAPropagationCallGraphBuilder.ConstraintVisitor

basicBlock, builder, du, ir, node, symbolTable, system

Modifier and Type	Field	Description
protected ISSABasicBlock	basicBlock	The basic block currently being processed
protected final SSAPropagationCallGraphBuilder	builder	The governing call graph builder.
protected final DefUse	du	Def-use information
protected final IRView	ir	The governing IR
protected final CGNode	node	The node whose statements we are currently traversing
protected final SymbolTable	symbolTable	Governing symbol table
protected final PropagationSystem	system	The governing propagation system, into which constraints are added

Constructor Summary

Constructors

Constructor	Description
JSConstraintVisitor(AstSSAPropagationCallGraphBuilder builder, CGNode node)

Method Summary

Modifier and Type	Method	Description
void	visitAstGlobalRead(AstGlobalRead instruction)
void	visitAstGlobalWrite(AstGlobalWrite instruction)
void	visitBinaryOp(SSABinaryOpInstruction instruction)
void	visitCheckRef(JavaScriptCheckReference instruction)
void	visitEachElementHasNext(EachElementHasNextInstruction inst)
void	visitIsDefined(AstIsDefinedInstruction inst)
void	visitJavaScriptInstanceOf(JavaScriptInstanceOf inst)
void	visitJavaScriptInvoke(JavaScriptInvoke instruction)
void	visitPrototypeLookup(PrototypeLookup instruction)
void	visitSetPrototype(SetPrototype instruction)
void	visitTypeOf(JavaScriptTypeOfInstruction instruction)
void	visitUnaryOp(SSAUnaryOpInstruction inst)
void	visitWithRegion(JavaScriptWithRegion instruction)

Methods inherited from class AstSSAPropagationCallGraphBuilder.AstConstraintVisitor

fieldReadAction, getBuilder, getPointerKeyForObjectCatalog, getPointerKeysForReflectedFieldRead, getPointerKeysForReflectedFieldWrite, newFieldFullOperation, newFieldOperation, newFieldOperationFieldConstant, newFieldOperationObjectAndFieldConstant, newFieldOperationOnlyFieldConstant, newFieldOperationOnlyObjectConstant, newFieldRead, newFieldRead, newFieldWrite, newFieldWrite, newFieldWrite, newFieldWrite, newFieldWrite, visitAstLexicalRead, visitAstLexicalWrite, visitEachElementGet, visitPropertyRead, visitPropertyWrite, visitPut

Modifier and Type	Method	Description
protected AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction	fieldReadAction(PointerKey lhs)
protected AstSSAPropagationCallGraphBuilder	getBuilder()
PointerKey	getPointerKeyForObjectCatalog(InstanceKey I)
Iterator<PointerKey>	getPointerKeysForReflectedFieldRead(InstanceKey I, InstanceKey F)
Iterator<PointerKey>	getPointerKeysForReflectedFieldWrite(InstanceKey I, InstanceKey F)
protected void	newFieldFullOperation(boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action, PointerKey objKey, PointerKey fieldKey)
protected void	newFieldOperation(CGNode opNode, int objVn, int fieldsVn, boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action)
protected void	newFieldOperationFieldConstant(CGNode opNode, boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action, int objVn, InstanceKey[] fieldsKeys)
protected void	newFieldOperationObjectAndFieldConstant(boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action, InstanceKey[] objKeys, InstanceKey[] fieldsKeys)
protected void	newFieldOperationOnlyFieldConstant(boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action, PointerKey objKey, InstanceKey[] fieldsKeys)
protected void	newFieldOperationOnlyObjectConstant(boolean isLoadOperation, AstSSAPropagationCallGraphBuilder.AstConstraintVisitor.ReflectedFieldAction action, PointerKey fieldKey, InstanceKey[] objKeys)
protected void	newFieldRead(CGNode opNode, int objVn, int fieldsVn, int lhsVn)
protected void	newFieldRead(CGNode opNode, int objVn, int fieldsVn, PointerKey lhs)
void	newFieldWrite(CGNode opNode, int objVn, int fieldsVn, int rhsVn)
void	newFieldWrite(CGNode opNode, int objVn, int fieldsVn, InstanceKey[] rhsFixedValues)
void	newFieldWrite(CGNode opNode, int objVn, int fieldsVn, PointerKey rhs)
void	newFieldWrite(CGNode opNode, int objVn, InstanceKey[] fieldKeys, InstanceKey[] rhsValues)
void	newFieldWrite(CGNode opNode, int objVn, InstanceKey[] fieldKeys, PointerKey rhs)
void	visitAstLexicalRead(AstLexicalRead instruction)
void	visitAstLexicalWrite(AstLexicalWrite instruction)
void	visitEachElementGet(EachElementGetInstruction inst)
void	visitPropertyRead(AstPropertyRead instruction)
void	visitPropertyWrite(AstPropertyWrite instruction)
void	visitPut(SSAPutInstruction inst)

Methods inherited from class SSAPropagationCallGraphBuilder.ConstraintVisitor

contentsAreInvariant, contentsAreInvariant, doVisitArrayLoad, doVisitArrayStore, getAnalysisCache, getBasicBlock, getClassHierarchy, getFilteredPointerKeyForLocal, getInstanceKeyForAllocation, getInstanceKeyForClassObject, getInstanceKeyForConstant, getInstanceKeyForMultiNewArray, getInstanceKeyForPEI, getInvariantContents, getInvariantContents, getOptions, getPointerKeyForArrayContents, getPointerKeyForExceptionalReturnValue, getPointerKeyForInstanceField, getPointerKeyForLocal, getPointerKeyForReturnValue, getPointerKeyForStaticField, getTargetForCall, hasNoInterestingUses, isRootType, processClassInitializer, processPutField, processPutStatic, setBasicBlock, visitArrayLoad, visitArrayStore, visitCheckCast, visitGet, visitGetCaughtException, visitGetInternal, visitInvoke, visitInvokeInternal, visitLoadMetadata, visitNew, visitPhi, visitPi, visitPutInternal, visitReturn, visitThrow

Modifier and Type	Method	Description
protected boolean	contentsAreInvariant(SymbolTable symbolTable, DefUse du, int valueNumber)
protected boolean	contentsAreInvariant(SymbolTable symbolTable, DefUse du, int[] valueNumber)
protected void	doVisitArrayLoad(int def, int arrayRef)
void	doVisitArrayStore(int arrayRef, int value)
protected IAnalysisCacheView	getAnalysisCache()
ISSABasicBlock	getBasicBlock()
protected IClassHierarchy	getClassHierarchy()
FilteredPointerKey	getFilteredPointerKeyForLocal(int valueNumber, FilteredPointerKey.TypeFilter filter)
InstanceKey	getInstanceKeyForAllocation(NewSiteReference allocation)
InstanceKey	getInstanceKeyForClassObject(Object obj, TypeReference type)
<T> InstanceKey	getInstanceKeyForConstant(T S)
InstanceKey	getInstanceKeyForMultiNewArray(NewSiteReference allocation, int dim)
InstanceKey	getInstanceKeyForPEI(ProgramCounter instr, TypeReference type)
protected InstanceKey[]	getInvariantContents(int valueNumber)
protected InstanceKey[]	getInvariantContents(SymbolTable symbolTable, DefUse du, CGNode node, int valueNumber)
protected AnalysisOptions	getOptions()
PointerKey	getPointerKeyForArrayContents(InstanceKey I)
PointerKey	getPointerKeyForExceptionalReturnValue()
PointerKey	getPointerKeyForInstanceField(InstanceKey I, IField f)
PointerKey	getPointerKeyForLocal(int valueNumber)
PointerKey	getPointerKeyForReturnValue()
PointerKey	getPointerKeyForStaticField(IField f)
CGNode	getTargetForCall(CGNode caller, CallSiteReference site, IClass recv, InstanceKey[] iKey)
protected boolean	hasNoInterestingUses(int vn)
protected boolean	isRootType(IClass klass)
protected void	processClassInitializer(IClass klass)	TODO: lift most of this logic to PropagationCallGraphBuilder
void	processPutField(int rval, int ref, IField f)
protected void	processPutStatic(int rval, FieldReference field, IField f)
void	setBasicBlock(ISSABasicBlock block)	The calling loop must call this in each iteration!
void	visitArrayLoad(SSAArrayLoadInstruction instruction)
void	visitArrayStore(SSAArrayStoreInstruction instruction)
void	visitCheckCast(SSACheckCastInstruction instruction)
void	visitGet(SSAGetInstruction instruction)
void	visitGetCaughtException(SSAGetCaughtExceptionInstruction instruction)
protected void	visitGetInternal(int lval, int ref, boolean isStatic, FieldReference field)
void	visitInvoke(SSAInvokeInstruction instruction)
protected void	visitInvokeInternal(SSAAbstractInvokeInstruction instruction, SSAPropagationCallGraphBuilder.ConstraintVisitor.InvariantComputer invs)
void	visitLoadMetadata(SSALoadMetadataInstruction instruction)
void	visitNew(SSANewInstruction instruction)
void	visitPhi(SSAPhiInstruction instruction)
void	visitPi(SSAPiInstruction instruction)
void	visitPutInternal(int rval, int ref, boolean isStatic, FieldReference field)
void	visitReturn(SSAReturnInstruction instruction)
void	visitThrow(SSAThrowInstruction instruction)

Methods inherited from class Object

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

Methods inherited from interface AstInstructionVisitor

visitAssert, visitEcho, visitYield

Modifier and Type	Method	Description
default void	visitAssert(AstAssertInstruction instruction)
default void	visitEcho(AstEchoInstruction inst)
default void	visitYield(AstYieldInstruction inst)

Methods inherited from interface SSAInstruction.IVisitor

visitArrayLength, visitComparison, visitConditionalBranch, visitConversion, visitGoto, visitInstanceof, visitMonitor, visitSwitch

Modifier and Type	Method	Description
default void	visitArrayLength(SSAArrayLengthInstruction instruction)
default void	visitComparison(SSAComparisonInstruction instruction)
default void	visitConditionalBranch(SSAConditionalBranchInstruction instruction)
default void	visitConversion(SSAConversionInstruction instruction)
default void	visitGoto(SSAGotoInstruction instruction)
default void	visitInstanceof(SSAInstanceofInstruction instruction)
default void	visitMonitor(SSAMonitorInstruction instruction)
default void	visitSwitch(SSASwitchInstruction instruction)

Constructor Details

JSConstraintVisitor

public JSConstraintVisitor(AstSSAPropagationCallGraphBuilder builder,
 CGNode node)

Method Details

visitUnaryOp

public void visitUnaryOp(SSAUnaryOpInstruction inst)

Specified by:

visitUnaryOp in interface SSAInstruction.IVisitor

visitIsDefined

public void visitIsDefined(AstIsDefinedInstruction inst)

Specified by:

visitIsDefined in interface AstInstructionVisitor

visitJavaScriptInstanceOf

public void visitJavaScriptInstanceOf(JavaScriptInstanceOf inst)

Specified by:

visitJavaScriptInstanceOf in interface JSInstructionVisitor

visitEachElementHasNext

public void visitEachElementHasNext(EachElementHasNextInstruction inst)

Specified by:

visitEachElementHasNext in interface AstInstructionVisitor

visitTypeOf

public void visitTypeOf(JavaScriptTypeOfInstruction instruction)

Specified by:

visitTypeOf in interface JSInstructionVisitor

visitAstGlobalRead

public void visitAstGlobalRead(AstGlobalRead instruction)

Specified by:

visitAstGlobalRead in interface AstInstructionVisitor

Overrides:

visitAstGlobalRead in class AstSSAPropagationCallGraphBuilder.AstConstraintVisitor

visitAstGlobalWrite

public void visitAstGlobalWrite(AstGlobalWrite instruction)

Specified by:

visitAstGlobalWrite in interface AstInstructionVisitor

Overrides:

visitAstGlobalWrite in class AstSSAPropagationCallGraphBuilder.AstConstraintVisitor

visitBinaryOp

public void visitBinaryOp(SSABinaryOpInstruction instruction)

Specified by:

visitBinaryOp in interface SSAInstruction.IVisitor

visitJavaScriptInvoke

public void visitJavaScriptInvoke(JavaScriptInvoke instruction)

Specified by:

visitJavaScriptInvoke in interface JSInstructionVisitor

visitCheckRef

public void visitCheckRef(JavaScriptCheckReference instruction)

Specified by:

visitCheckRef in interface JSInstructionVisitor

visitWithRegion

public void visitWithRegion(JavaScriptWithRegion instruction)

Specified by:

visitWithRegion in interface JSInstructionVisitor

visitSetPrototype

public void visitSetPrototype(SetPrototype instruction)

Specified by:

visitSetPrototype in interface JSInstructionVisitor

visitPrototypeLookup

public void visitPrototypeLookup(PrototypeLookup instruction)

Specified by:

visitPrototypeLookup in interface JSInstructionVisitor