js.tinyvm
Class ClassRecord

java.lang.Object
  js.tinyvm.ClassRecord

All Implemented Interfaces:

WritableData

Direct Known Subclasses:

PrimitiveClassRecord

public class ClassRecord
extends java.lang.Object
implements WritableData

Abstraction for a class record (see vmsrc/language.h).

Constructor Summary

ClassRecord()

Method Summary

void	addInterfaces(ClassRecord pUserClass)
void	addInterfaceUser(ClassRecord pRec)
void	addUsedMethod(java.lang.String aRef)
int	computeClassSize()
static java.lang.String	cpEntryId(org.apache.bcel.classfile.Constant aEntry)
void	dump(IByteWriter aOut) Dump.
boolean	equals(java.lang.Object aObj)
void	findHiddenMethods()
int	getAllocationSize()
static java.lang.String	getArrayClassName(java.lang.String aName)
int	getArrayDimension()
ClassRecord	getArrayElementClass()
java.lang.String	getCanonicalName()
static ClassRecord	getClassRecord(java.lang.String className, ClassPath aCP, Binary aBinary)
int	getClassSize()
int	getInstanceFieldOffset(java.lang.String aName)
int	getLength() Returns the length of the record, in bytes.
java.lang.String	getName()
ClassRecord	getParent()
PrimitiveClassRecord	getPrimitiveClass() Return the wrapped class if this class is a wrapper
java.lang.String	getSimpleName()
java.lang.String	getSourceFilename()
int	getStaticFieldIndex(java.lang.String aName)
int	getStaticFieldOffset(java.lang.String aName)
StaticFieldRecord	getStaticFieldRecord(java.lang.String aName)
StaticValue	getStaticValue(java.lang.String aName)
int	hashCode()
boolean	hasMethod(Signature aSignature, boolean aStatic) (Call only after record has been processed).
boolean	hasParent()
boolean	hasReference()
boolean	hasStaticInitializer()
void	initFlags()
void	initParent()
boolean	instanceUsed()
boolean	isArray()
boolean	isInterface()
boolean	isPrimitive()
boolean	isWrapper() Determine if this class is a wrapper
void	markInstanceUsed()
void	markMethod(MethodRecord pRec, boolean directCall)
void	markMethods()
void	markUsed()
java.lang.String	signature()
void	storeCode(RecordTable<CodeSequence> aCodeSequences, boolean aPostProcess)
void	storeConstants(RecordTable<ConstantRecord> aConstantTable, RecordTable<ConstantValue> aConstantValues)
void	storeFields(RecordTable<RecordTable<InstanceFieldRecord>> aInstanceFieldTables, RecordTable<StaticFieldRecord> aStaticFields, RecordTable<StaticValue> aStaticState)
void	storeInterfaceMap(RecordTable<InterfaceMap> maps) Create and store the inetrface map for this interface class.
void	storeMethods(RecordTable<RecordTable<MethodRecord>> aMethodTables, RecordTable<RecordTable<ExceptionRecord>> aExceptionTables, HashVector<Signature> aSignatures, boolean aAll)
void	storeOptimizedFields(RecordTable<RecordTable<InstanceFieldRecord>> aInstanceFieldTables)
void	storeOptimizedImplementingClasses(RecordTable<ClassRecord> aClassRecords) Add the classes which implement this interface into the the set of class records.
void	storeOptimizedMethods(RecordTable<RecordTable<MethodRecord>> aMethodTables, RecordTable<RecordTable<ExceptionRecord>> aExceptionTables, HashVector<Signature> aSignatures)
void	storeOptimizedStaticFields(RecordTable<StaticFieldRecord> aStaticFields, RecordTable<StaticValue> aStaticState, int align)
void	storeReferredClasses(java.util.HashMap<java.lang.String,ClassRecord> aClasses, RecordTable<ClassRecord> aClassRecords, ClassPath aClassPath, java.util.ArrayList<java.lang.String> aInterfaceMethods)
java.lang.String	toString()
void	useAllMethods()
boolean	used()

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassRecord

public ClassRecord()

Method Detail

useAllMethods

public void useAllMethods()

getName

public java.lang.String getName()

getCanonicalName

public java.lang.String getCanonicalName()

getSimpleName

public java.lang.String getSimpleName()

getSourceFilename

public java.lang.String getSourceFilename()

getLength

public int getLength()

Description copied from interface: WritableData

Returns the length of the record, in bytes.

Specified by:

getLength in interface WritableData

dump

public void dump(IByteWriter aOut)
          throws TinyVMException

Description copied from interface: WritableData

Dump.

Specified by:

dump in interface WritableData

Parameters:

aOut - writer to write binary to

Throws:

TinyVMException

isArray

public boolean isArray()

isInterface

public boolean isInterface()

isPrimitive

public boolean isPrimitive()

hasStaticInitializer

public boolean hasStaticInitializer()

hasMethod

public boolean hasMethod(Signature aSignature,
                         boolean aStatic)

(Call only after record has been processed).

Parameters:

aSignature -

aStatic -

Returns:

initFlags

public void initFlags()

getAllocationSize

public int getAllocationSize()
                      throws TinyVMException

Returns:

Number of bytes required for object allocation.

Throws:

TinyVMException

getClassSize

public int getClassSize()
                 throws TinyVMException

Returns:

Number of bytes occupied by instance fields.

Throws:

TinyVMException

computeClassSize

public int computeClassSize()
                     throws TinyVMException

Returns:

The size of the class in bytes, including any VM space. This is the exact size required for memory allocation.

Throws:

TinyVMException

hasReference

public boolean hasReference()
                     throws TinyVMException

Throws:

TinyVMException

hasParent

public boolean hasParent()

getParent

public ClassRecord getParent()

initParent

public void initParent()
                throws TinyVMException

Throws:

TinyVMException

getArrayClassName

public static java.lang.String getArrayClassName(java.lang.String aName)

storeReferredClasses

public void storeReferredClasses(java.util.HashMap<java.lang.String,ClassRecord> aClasses,
                                 RecordTable<ClassRecord> aClassRecords,
                                 ClassPath aClassPath,
                                 java.util.ArrayList<java.lang.String> aInterfaceMethods)
                          throws TinyVMException

Throws:

TinyVMException

addUsedMethod

public void addUsedMethod(java.lang.String aRef)

cpEntryId

public static java.lang.String cpEntryId(org.apache.bcel.classfile.Constant aEntry)

getInstanceFieldOffset

public int getInstanceFieldOffset(java.lang.String aName)
                           throws TinyVMException

Throws:

TinyVMException

getStaticFieldOffset

public int getStaticFieldOffset(java.lang.String aName)
                         throws TinyVMException

Parameters:

aName -

Returns:

Offset relative to the start of the static state block.

Throws:

TinyVMException

getStaticValue

public StaticValue getStaticValue(java.lang.String aName)
                           throws TinyVMException

Parameters:

aName - the name of the static field.

Returns:

The StaticValue for the given name

Throws:

TinyVMException

getStaticFieldIndex

public int getStaticFieldIndex(java.lang.String aName)

getStaticFieldRecord

public StaticFieldRecord getStaticFieldRecord(java.lang.String aName)

storeConstants

public void storeConstants(RecordTable<ConstantRecord> aConstantTable,
                           RecordTable<ConstantValue> aConstantValues)
                    throws TinyVMException

Throws:

TinyVMException

storeMethods

public void storeMethods(RecordTable<RecordTable<MethodRecord>> aMethodTables,
                         RecordTable<RecordTable<ExceptionRecord>> aExceptionTables,
                         HashVector<Signature> aSignatures,
                         boolean aAll)
                  throws TinyVMException

Throws:

TinyVMException

storeOptimizedMethods

public void storeOptimizedMethods(RecordTable<RecordTable<MethodRecord>> aMethodTables,
                                  RecordTable<RecordTable<ExceptionRecord>> aExceptionTables,
                                  HashVector<Signature> aSignatures)
                           throws TinyVMException

Throws:

TinyVMException

storeOptimizedStaticFields

public void storeOptimizedStaticFields(RecordTable<StaticFieldRecord> aStaticFields,
                                       RecordTable<StaticValue> aStaticState,
                                       int align)
                                throws TinyVMException

Throws:

TinyVMException

storeOptimizedFields

public void storeOptimizedFields(RecordTable<RecordTable<InstanceFieldRecord>> aInstanceFieldTables)
                          throws TinyVMException

Throws:

TinyVMException

storeFields

public void storeFields(RecordTable<RecordTable<InstanceFieldRecord>> aInstanceFieldTables,
                        RecordTable<StaticFieldRecord> aStaticFields,
                        RecordTable<StaticValue> aStaticState)
                 throws TinyVMException

Throws:

TinyVMException

storeCode

public void storeCode(RecordTable<CodeSequence> aCodeSequences,
                      boolean aPostProcess)
               throws TinyVMException

Throws:

TinyVMException

markMethods

public void markMethods()
                 throws TinyVMException

Throws:

TinyVMException

markMethod

public void markMethod(MethodRecord pRec,
                       boolean directCall)
                throws TinyVMException

Throws:

TinyVMException

getClassRecord

public static ClassRecord getClassRecord(java.lang.String className,
                                         ClassPath aCP,
                                         Binary aBinary)
                                  throws TinyVMException

Throws:

TinyVMException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object aObj)

Overrides:

equals in class java.lang.Object

addInterfaces

public void addInterfaces(ClassRecord pUserClass)

addInterfaceUser

public void addInterfaceUser(ClassRecord pRec)

findHiddenMethods

public void findHiddenMethods()
                       throws TinyVMException

Throws:

TinyVMException

markUsed

public void markUsed()

markInstanceUsed

public void markInstanceUsed()

used

public boolean used()

instanceUsed

public boolean instanceUsed()

getArrayDimension

public int getArrayDimension()

getArrayElementClass

public ClassRecord getArrayElementClass()

signature

public java.lang.String signature()

isWrapper

public boolean isWrapper()

Determine if this class is a wrapper

Returns:

true if the class is a wrapper, otherwise false

getPrimitiveClass

public PrimitiveClassRecord getPrimitiveClass()

Return the wrapped class if this class is a wrapper

Returns:

the primitive class or null if this class is not a wrapper

storeOptimizedImplementingClasses

public void storeOptimizedImplementingClasses(RecordTable<ClassRecord> aClassRecords)

Add the classes which implement this interface into the the set of class records.

Parameters:

aClassRecords - Set of records

storeInterfaceMap

public void storeInterfaceMap(RecordTable<InterfaceMap> maps)
                       throws TinyVMException

Create and store the inetrface map for this interface class. The interface map provides a mechanism for quickly testing if a particular class implements this interface (or a super interface).

Parameters:

maps - the set of ineterface maps.

Throws:

TinyVMException