com.ibm.wala.classLoader
Interface IMethod

All Superinterfaces:

ContextItem, IClassHierarchyDweller, IMember

All Known Implementing Classes:

AbstractRootMethod, AstCallGraph.AstFakeRoot, AstCallGraph.ScriptFakeRoot, AstMethod, CommandInterpreter.SpecializedExecuteMethod, CrossLanguageCallGraph.CrossLanguageFakeRoot, FactoryBypassInterpreter.SpecializedFactoryMethod, FakeRootMethod, FakeWorldClinitMethod, JavaScriptLoader.JavaScriptMethodObject, JavaScriptSummarizedFunction, JavaSourceLoaderImpl.ConcreteJavaMethod, JSCallGraph.JSFakeRoot, ShrikeBTMethod, ShrikeCTMethod, SummarizedEJBMethod, SummarizedMethod, SyntheticMethod

public interface IMethod
extends IMember, ContextItem

Basic interface for an object that represents a single Java method for analysis purposes.

Method Summary

TypeReference[]	getDeclaredExceptions()
Descriptor	getDescriptor() Method getDescriptor.
int	getLineNumber(int bcIndex)
java.lang.String	getLocalVariableName(int bcIndex, int localNumber)
int	getMaxLocals()
int	getMaxStackHeight()
int	getNumberOfParameters() Method getNumberOfParameters.
TypeReference	getParameterType(int i) Method getParameterType.
MethodReference	getReference()
TypeReference	getReturnType()
Selector	getSelector() something like: foo(Ljava/langString;)Ljava/lang/Class;
java.lang.String	getSignature() something like: com.foo.bar.createLargeOrder(IILjava.lang.String;SLjava.sql.Date;)Ljava.lang.Integer;
boolean	hasExceptionHandler()
boolean	hasLocalVariableTable()
boolean	isAbstract() Is this method abstract?
boolean	isClinit() Is this method a class initializer?
boolean	isFinal() Is this method final?
boolean	isInit() Is this method an object initializer?
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	isSynchronized() Is this method synchronized?
boolean	isSynthetic() Did someone synthesize this method? (As opposed to reading it from a class file)

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

getDeclaringClass, getName, isStatic, isVolatile

Methods inherited from interface com.ibm.wala.ipa.cha.IClassHierarchyDweller

getClassHierarchy

Method Detail

isSynchronized

boolean isSynchronized()

Is this method synchronized?

Returns:

boolean

isClinit

boolean isClinit()

Is this method a class initializer?

Returns:

boolean

isInit

boolean isInit()

Is this method an object initializer?

Returns:

boolean

isNative

boolean isNative()

Is this method native?

Returns:

boolean

isSynthetic

boolean isSynthetic()

Did someone synthesize this method? (As opposed to reading it from a class file)

Returns:

boolean

isAbstract

boolean isAbstract()

Is this method abstract?

Returns:

boolean

isPrivate

boolean isPrivate()

Is this method private?

Returns:

boolean

isProtected

boolean isProtected()

Is this method protected?

Returns:

boolean

isPublic

boolean isPublic()

Is this method public?

Returns:

boolean

isFinal

boolean isFinal()

Is this method final?

Returns:

boolean

getReference

MethodReference getReference()

Returns:

canonical MethodReference corresponding to this method

getMaxLocals

int getMaxLocals()

Returns:

maximum number of JVM locals used by this method

getMaxStackHeight

int getMaxStackHeight()

Returns:

maximum height of JVM stack used by this method

hasExceptionHandler

boolean hasExceptionHandler()

Returns:

true iff this method has at least one exception handler

getParameterType

TypeReference getParameterType(int i)

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

getReturnType

TypeReference getReturnType()

Returns:

the name of the return type for this method

getNumberOfParameters

int getNumberOfParameters()

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

getDeclaredExceptions

TypeReference[] getDeclaredExceptions()
                                      throws InvalidClassFileException

Returns:

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

Throws:

InvalidClassFileException

getLineNumber

int getLineNumber(int bcIndex)
                  throws InvalidClassFileException

Returns:

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

Throws:

InvalidClassFileException

getLocalVariableName

java.lang.String getLocalVariableName(int bcIndex,
                                      int localNumber)
                                      throws InvalidClassFileException

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.

Throws:

InvalidClassFileException

getSignature

java.lang.String getSignature()

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

Returns:

String

getSelector

Selector getSelector()

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

Returns:

String

getDescriptor

Descriptor getDescriptor()

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

Returns:

Descriptor

hasLocalVariableTable

boolean hasLocalVariableTable()

Returns:

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