Package pascal.taie.language.classes

Class ClassHierarchyImpl

java.lang.Object

pascal.taie.language.classes.ClassHierarchyImpl

All Implemented Interfaces:

Serializable, ClassHierarchy, Indexer<JClass>

public class ClassHierarchyImpl
extends Object
implements ClassHierarchy

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ClassHierarchyImpl()

Method Summary

Modifier and Type	Method	Description
void	addClass(JClass jclass)	Adds a JClass into class hierarchy.
Stream<JClass>	allClasses()
Stream<JClass>	applicationClasses()
JMethod	dispatch(JClass receiverClass, MethodRef methodRef)	Dispatches a method reference on a receiver class.
JMethod	dispatch(Type receiverType, MethodRef methodRef)	Dispatches a method reference on a receiver type.
Collection<JClass>	getAllSubclassesOf(JClass jclass)	Returns all subclasses of the given class (including itself).
JClassLoader	getBootstrapClassLoader()
JClass	getClass(String name)
JClass	getClass(JClassLoader loader, String name)
Collection<JClassLoader>	getClassLoaders()
JClassLoader	getDefaultClassLoader()
Collection<JClass>	getDirectImplementorsOf(JClass jclass)
Collection<JClass>	getDirectInnerClassesOf(JClass jclass)
Collection<JClass>	getDirectSubclassesOf(JClass jclass)
Collection<JClass>	getDirectSubinterfacesOf(JClass jclass)
JField	getField(String fieldSig)	Obtains a field by its signature.
int	getIndex(JClass jclass)
JClass	getJREClass(String name)	Obtains a JRE class by it name.
JField	getJREField(String fieldSig)	Obtains a field declared in a JRE class by its signature.
JMethod	getJREMethod(String methodSig)	Obtains a method declared in a JRE class by its signature.
JMethod	getMethod(String methodSig)	Obtains a method by its signature.
JClass	getObject(int index)
boolean	isSubclass(JClass superclass, JClass subclass)
JField	resolveField(FieldRef fieldRef)	Resolves a field reference.
JMethod	resolveMethod(MethodRef methodRef)	Resolves a method reference.
void	setBootstrapClassLoader(JClassLoader loader)
void	setDefaultClassLoader(JClassLoader loader)

Methods inherited from class java.lang.Object

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

Constructor Details

ClassHierarchyImpl

public ClassHierarchyImpl()

Method Details

setDefaultClassLoader

public void setDefaultClassLoader(JClassLoader loader)

Specified by:

setDefaultClassLoader in interface ClassHierarchy

getDefaultClassLoader

public JClassLoader getDefaultClassLoader()

Specified by:

getDefaultClassLoader in interface ClassHierarchy

setBootstrapClassLoader

public void setBootstrapClassLoader(JClassLoader loader)

Specified by:

setBootstrapClassLoader in interface ClassHierarchy

getBootstrapClassLoader

public JClassLoader getBootstrapClassLoader()

Specified by:

getBootstrapClassLoader in interface ClassHierarchy

getClassLoaders

public Collection<JClassLoader> getClassLoaders()

Specified by:

getClassLoaders in interface ClassHierarchy

addClass

public void addClass(JClass jclass)

Description copied from interface: ClassHierarchy

Adds a JClass into class hierarchy. This API should be invoked everytime JClassLoader loads a new JClass.

Specified by:

addClass in interface ClassHierarchy

getIndex

public int getIndex(JClass jclass)

Specified by:

getIndex in interface Indexer<JClass>

Returns:

the index of the given object.

getObject

public JClass getObject(int index)

Specified by:

getObject in interface Indexer<JClass>

Returns:

the corresponding object of the given index.

allClasses

public Stream<JClass> allClasses()

Specified by:

allClasses in interface ClassHierarchy

applicationClasses

public Stream<JClass> applicationClasses()

Specified by:

applicationClasses in interface ClassHierarchy

getClass

@Nullable
public JClass getClass(JClassLoader loader,
 String name)

Specified by:

getClass in interface ClassHierarchy

getClass

@Nullable
public JClass getClass(String name)

Specified by:

getClass in interface ClassHierarchy

getMethod

@Nullable
public JMethod getMethod(String methodSig)

Description copied from interface: ClassHierarchy

Obtains a method by its signature.

Specified by:

getMethod in interface ClassHierarchy

Parameters:

methodSig - of the method

Returns:

the JMethod for signature if found; otherwise, null.

getField

@Nullable
public JField getField(String fieldSig)

Description copied from interface: ClassHierarchy

Obtains a field by its signature.

Specified by:

getField in interface ClassHierarchy

Parameters:

fieldSig - signature of the field

Returns:

the JField for signature if found; otherwise, null.

getJREClass

@Nullable
public JClass getJREClass(String name)

Description copied from interface: ClassHierarchy

Obtains a JRE class by it name.

Specified by:

getJREClass in interface ClassHierarchy

Parameters:

name - the class name

Returns:

the JClass for name if found; otherwise, null.

getJREMethod

@Nullable
public JMethod getJREMethod(String methodSig)

Description copied from interface: ClassHierarchy

Obtains a method declared in a JRE class by its signature.

Specified by:

getJREMethod in interface ClassHierarchy

Parameters:

methodSig - of the method

Returns:

the JMethod for signature if found; otherwise, null.

getJREField

@Nullable
public JField getJREField(String fieldSig)

Description copied from interface: ClassHierarchy

Obtains a field declared in a JRE class by its signature.

Specified by:

getJREField in interface ClassHierarchy

Parameters:

fieldSig - signature of the field

Returns:

the JField for signature if found; otherwise, null.

resolveMethod

@Nullable
public JMethod resolveMethod(MethodRef methodRef)

Description copied from interface: ClassHierarchy

Resolves a method reference.

Specified by:

resolveMethod in interface ClassHierarchy

Returns:

the concrete method pointed by the method reference, or null if the concrete method cannot be found in the class hierarchy.

resolveField

@Nullable
public JField resolveField(FieldRef fieldRef)

Description copied from interface: ClassHierarchy

Resolves a field reference.

Specified by:

resolveField in interface ClassHierarchy

Returns:

the concrete field pointed by the field reference, or null if the concrete field cannot be found in the class hierarchy.

dispatch

@Nullable
public JMethod dispatch(Type receiverType,
 MethodRef methodRef)

Description copied from interface: ClassHierarchy

Dispatches a method reference on a receiver type.

Specified by:

dispatch in interface ClassHierarchy

Returns:

the target method. If the target cannot be found, returns null.

dispatch

@Nullable
public JMethod dispatch(JClass receiverClass,
 MethodRef methodRef)

Description copied from interface: ClassHierarchy

Dispatches a method reference on a receiver class.

Specified by:

dispatch in interface ClassHierarchy

Returns:

the target method. If the target cannot be found, returns null.

isSubclass

public boolean isSubclass(JClass superclass,
 JClass subclass)

Specified by:

isSubclass in interface ClassHierarchy

getAllSubclassesOf

public Collection<JClass> getAllSubclassesOf(JClass jclass)

Description copied from interface: ClassHierarchy

Returns all subclasses of the given class (including itself). If the given class is an interface, then return all its direct/indirect subinterfaces and their all direct/indirect implementors; otherwise, return all its direct/indirect subclasses.

Specified by:

getAllSubclassesOf in interface ClassHierarchy

Parameters:

jclass - the given class.

Returns:

all subclasses of given class (including itself).

getDirectSubinterfacesOf

public Collection<JClass> getDirectSubinterfacesOf(JClass jclass)

Specified by:

getDirectSubinterfacesOf in interface ClassHierarchy

Returns:

the direct subinterfaces of given interface.

getDirectImplementorsOf

public Collection<JClass> getDirectImplementorsOf(JClass jclass)

Specified by:

getDirectImplementorsOf in interface ClassHierarchy

Returns:

the direct implementors of given interface.

getDirectSubclassesOf

public Collection<JClass> getDirectSubclassesOf(JClass jclass)

Specified by:

getDirectSubclassesOf in interface ClassHierarchy

Returns:

the direct subclasses of given class.

getDirectInnerClassesOf

public Collection<JClass> getDirectInnerClassesOf(JClass jclass)

Specified by:

getDirectInnerClassesOf in interface ClassHierarchy

Returns:

the direct inner classes of jclass. If jclass does not have inner classes, an empty collection is returned.