Class SyntheticMethod

java.lang.Object

com.ibm.wala.classLoader.SyntheticMethod

All Implemented Interfaces:

IMember, IMethod, ContextItem, IClassHierarchyDweller

Direct Known Subclasses:

AbstractReflectionInterpreter.SpecializedMethod, AbstractRootMethod, SummarizedMethod

public class SyntheticMethod
extends Object
implements IMethod

An implementation of IMethod, usually for a synthesized method that is not read directly from any source Module.

Nested Class Summary

Nested classes/interfaces inherited from interface com.ibm.wala.ipa.callgraph.ContextItem

ContextItem.Value<T>

Nested classes/interfaces inherited from interface com.ibm.wala.classLoader.IMethod

IMethod.SourcePosition

Field Summary

Fields

Modifier and Type	Field	Description
final IClass	declaringClass
static final SSAInstruction[]	NO_STATEMENTS
protected final IMethod	resolvedMethod

Constructor Summary

Constructors

Constructor	Description
SyntheticMethod(IMethod method, IClass declaringClass, boolean isStatic, boolean isFactory)
SyntheticMethod(MethodReference method, IClass declaringClass, boolean isStatic, boolean isFactory)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Collection<Annotation>	getAnnotations()	Get the annotations on this member, if any
BytecodeStream	getBytecodeStream()
IClassHierarchy	getClassHierarchy()
TypeReference[]	getDeclaredExceptions()
IClass	getDeclaringClass()	Return the object that represents the declaring class for this member.
Descriptor	getDescriptor()	something like: (IILjava.lang.String;SLjava.sql.Date;)Ljava.lang.Integer;
int	getLineNumber(int bcIndex)
String	getLocalVariableName(int bcIndex, int localNumber)
int	getMaxLocals()
int	getMaxStackHeight()
Atom	getName()
int	getNumberOfParameters()	Method getNumberOfParameters.
IMethod.SourcePosition	getParameterSourcePosition(int paramNum)
TypeReference	getParameterType(int i)	By convention, for a non-static method, getParameterType(0) is the this pointer
String	getPoison()
byte	getPoisonLevel()
MethodReference	getReference()
TypeReference	getReturnType()
Selector	getSelector()	something like: foo(Ljava/langString;)Ljava/lang/Class;
String	getSignature()	something like: com.foo.bar.createLargeOrder(IILjava.lang.String;SLjava.sql.Date;)Ljava.lang.Integer;
IMethod.SourcePosition	getSourcePosition(int bcIndex)
SSAInstruction[]	getStatements()
SSAInstruction[]	getStatements(SSAOptions options)	Deprecated.
boolean	hasExceptionHandler()
int	hashCode()
boolean	hasLocalVariableTable()
boolean	hasPoison()
boolean	isAbstract()	Is this method abstract?
boolean	isAnnotation()
boolean	isBridge()	Is this method a bridge method? See JLS 3rd Edition 15.12.4.5
boolean	isClinit()	Is this method a class initializer?
boolean	isEnum()
boolean	isFactoryMethod()
boolean	isFinal()	Is this method final?
boolean	isInit()	Is this method an object initializer?
boolean	isModule()
boolean	isNative()	Is this method native?
boolean	isPrivate()	Is this method private?
boolean	isProtected()	Is this method protected?
boolean	isPublic()	Is this method public?
boolean	isStatic()	Is this member static?
boolean	isSynchronized()	Is this method synchronized?
boolean	isSynthetic()	Is this method synthetic, i.e., compiler-generated (this refers to the synthetic flag in java/dex bytecode)
boolean	isWalaSynthetic()	Is the implementation of this method a model generated by WALA? For compiler-generated synthetic methods, refer to IMethod.isSynthetic()
InducedCFG	makeControlFlowGraph(SSAInstruction[] instructions)	Create an InducedCFG from an instruction array.
IR	makeIR(Context context, SSAOptions options)	Most subclasses should override this.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ibm.wala.classLoader.IMethod

getNumberOfDefaultParameters

Field Details

NO_STATEMENTS

public static final SSAInstruction[] NO_STATEMENTS

resolvedMethod

protected final IMethod resolvedMethod

declaringClass

public final IClass declaringClass

Constructor Details

SyntheticMethod

public SyntheticMethod(MethodReference method,
 IClass declaringClass,
 boolean isStatic,
 boolean isFactory)

SyntheticMethod

public SyntheticMethod(IMethod method,
 IClass declaringClass,
 boolean isStatic,
 boolean isFactory)

Method Details

isClinit

public boolean isClinit()

Description copied from interface: IMethod

Is this method a class initializer?

Specified by:

isClinit in interface IMethod

isInit

public boolean isInit()

Description copied from interface: IMethod

Is this method an object initializer?

Specified by:

isInit in interface IMethod

isStatic

public boolean isStatic()

Description copied from interface: IMember

Is this member static?

Specified by:

isStatic in interface IMember

See Also:

• IMember.isStatic()

isNative

public boolean isNative()

Description copied from interface: IMethod

Is this method native?

Specified by:

isNative in interface IMethod

isAbstract

public boolean isAbstract()

Description copied from interface: IMethod

Is this method abstract?

Specified by:

isAbstract in interface IMethod

isPrivate

public boolean isPrivate()

Description copied from interface: IMethod

Is this method private?

Specified by:

isPrivate in interface IMethod

isProtected

public boolean isProtected()

Description copied from interface: IMethod

Is this method protected?

Specified by:

isProtected in interface IMethod

isPublic

public boolean isPublic()

Description copied from interface: IMethod

Is this method public?

Specified by:

isPublic in interface IMethod

isFinal

public boolean isFinal()

Description copied from interface: IMethod

Is this method final?

Specified by:

isFinal in interface IMethod

isBridge

public boolean isBridge()

Description copied from interface: IMethod

Is this method a bridge method? See JLS 3rd Edition 15.12.4.5

Specified by:

isBridge in interface IMethod

isSynchronized

public boolean isSynchronized()

Description copied from interface: IMethod

Is this method synchronized?

Specified by:

isSynchronized in interface IMethod

See Also:

• IMethod.isAbstract()

isAnnotation

public boolean isAnnotation()

Specified by:

isAnnotation in interface IMethod

isEnum

public boolean isEnum()

Specified by:

isEnum in interface IMethod

isModule

public boolean isModule()

Specified by:

isModule in interface IMethod

isWalaSynthetic

public boolean isWalaSynthetic()

Description copied from interface: IMethod

Is the implementation of this method a model generated by WALA? For compiler-generated synthetic methods, refer to IMethod.isSynthetic()

Specified by:

isWalaSynthetic in interface IMethod

isSynthetic

public boolean isSynthetic()

Description copied from interface: IMethod

Is this method synthetic, i.e., compiler-generated (this refers to the synthetic flag in java/dex bytecode)

Specified by:

isSynthetic in interface IMethod

getReference

public MethodReference getReference()

Specified by:

getReference in interface IMethod

Returns:

canonical MethodReference corresponding to this method

makeControlFlowGraph

public InducedCFG makeControlFlowGraph(SSAInstruction[] instructions)

Create an InducedCFG from an instruction array.

NOTE: SIDE EFFECT!!! ... nulls out phi instructions in the instruction array!

getBytecodeStream

public BytecodeStream getBytecodeStream()
                                 throws UnsupportedOperationException

Throws:

UnsupportedOperationException

getMaxLocals

public int getMaxLocals()
                 throws UnsupportedOperationException

Throws:

UnsupportedOperationException

getMaxStackHeight

public int getMaxStackHeight()
                      throws UnsupportedOperationException

Throws:

UnsupportedOperationException

getDeclaringClass

public IClass getDeclaringClass()

Description copied from interface: IMember

Return the object that represents the declaring class for this member.

Specified by:

getDeclaringClass in interface IMember

Returns:

the object that represents the declaring class for this member.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hasExceptionHandler

public boolean hasExceptionHandler()

Specified by:

hasExceptionHandler in interface IMethod

Returns:

true iff this method has at least one exception handler

hasPoison

public boolean hasPoison()

getPoison

public String getPoison()

getPoisonLevel

public byte getPoisonLevel()

getStatements

@Deprecated
public SSAInstruction[] getStatements(SSAOptions options)

Deprecated.

makeIR

public IR makeIR(Context context,
 SSAOptions options)
          throws UnimplementedError

Most subclasses should override this.

Parameters:

context - TODO

options - options governing IR conversion

Throws:

UnimplementedError

getParameterType

public TypeReference getParameterType(int i)

Description copied from interface: IMethod

By convention, for a non-static method, getParameterType(0) is the this pointer

Specified by:

getParameterType in interface IMethod

getNumberOfParameters

public int getNumberOfParameters()

Description copied from interface: IMethod

Method getNumberOfParameters. This result includes the "this" pointer if applicable

Specified by:

getNumberOfParameters in interface IMethod

getDeclaredExceptions

public TypeReference[] getDeclaredExceptions()
                                      throws InvalidClassFileException

Specified by:

getDeclaredExceptions in interface IMethod

Returns:

an array of the exception types declared by the throws clause for this method, or null if there are none

Throws:

InvalidClassFileException

getName

public Atom getName()

Specified by:

getName in interface IMember

Returns:

the name of this member

getDescriptor

public Descriptor getDescriptor()

Description copied from interface: IMethod

something like: (IILjava.lang.String;SLjava.sql.Date;)Ljava.lang.Integer;

Specified by:

getDescriptor in interface IMethod

getSourcePosition

public IMethod.SourcePosition getSourcePosition(int bcIndex)
                                         throws InvalidClassFileException

Specified by:

getSourcePosition in interface IMethod

Throws:

InvalidClassFileException

getParameterSourcePosition

public IMethod.SourcePosition getParameterSourcePosition(int paramNum)
                                                  throws InvalidClassFileException

Specified by:

getParameterSourcePosition in interface IMethod

Throws:

InvalidClassFileException

getLineNumber

public int getLineNumber(int bcIndex)

Specified by:

getLineNumber in interface IMethod

Returns:

the source line number corresponding to a particular bytecode index, or -1 if the information is not available.

isFactoryMethod

public boolean isFactoryMethod()

getSignature

public String getSignature()

Description copied from interface: IMethod

something like: com.foo.bar.createLargeOrder(IILjava.lang.String;SLjava.sql.Date;)Ljava.lang.Integer;

Specified by:

getSignature in interface IMethod

getSelector

public Selector getSelector()

Description copied from interface: IMethod

something like: foo(Ljava/langString;)Ljava/lang/Class;

Specified by:

getSelector in interface IMethod

getLocalVariableName

public String getLocalVariableName(int bcIndex,
 int localNumber)

Specified by:

getLocalVariableName in interface IMethod

Returns:

the (source code) name of the local variable of a given number at the specified program counter, or null if the information is not available.

hasLocalVariableTable

public boolean hasLocalVariableTable()

Specified by:

hasLocalVariableTable in interface IMethod

Returns:

true iff the local variable table information for this method is available

getStatements

public SSAInstruction[] getStatements()

getReturnType

public TypeReference getReturnType()

Specified by:

getReturnType in interface IMethod

Returns:

the name of the return type for this method

getClassHierarchy

public IClassHierarchy getClassHierarchy()

Specified by:

getClassHierarchy in interface IClassHierarchyDweller

getAnnotations

public Collection<Annotation> getAnnotations()

Description copied from interface: IMember

Get the annotations on this member, if any

Specified by:

getAnnotations in interface IMember