Package com.yworks.yguard.obf.classfile

Class RefCpInfo

java.lang.Object

com.yworks.yguard.obf.classfile.CpInfo

com.yworks.yguard.obf.classfile.RefCpInfo

All Implemented Interfaces:

ClassConstants

Direct Known Subclasses:

FieldrefCpInfo, InterfaceMethodrefCpInfo, MethodrefCpInfo

public abstract class RefCpInfo
extends CpInfo

Representation of a 'ref'-type entry in the ConstantPool.

Field Summary

Fields inherited from class com.yworks.yguard.obf.classfile.CpInfo

refCount

Fields inherited from interface com.yworks.yguard.obf.classfile.ClassConstants

ACC_ABSTRACT, ACC_ANNOTATION, ACC_BRIDGE, ACC_ENUM, ACC_FINAL, ACC_INTERFACE, ACC_NATIVE, ACC_PRIVATE, ACC_PROTECTED, ACC_PUBLIC, ACC_STATIC, ACC_SUPER, ACC_SYNCHRONIZED, ACC_SYNTHETIC, ACC_TRANSIENT, ACC_VARARGS, ACC_VOLATILE, ATTR_AnnotationDefault, ATTR_BootstrapMethods, ATTR_Bridge, ATTR_Code, ATTR_ConstantValue, ATTR_Deprecated, ATTR_EnclosingMethod, ATTR_Enum, ATTR_Exceptions, ATTR_InnerClasses, ATTR_LineNumberTable, ATTR_LocalVariableTable, ATTR_LocalVariableTypeTable, ATTR_MethodParameters, ATTR_Module, ATTR_ModuleMainClass, ATTR_ModulePackages, ATTR_NestHost, ATTR_NestMembers, ATTR_PermittedSubclasses, ATTR_Record, ATTR_RuntimeInvisibleAnnotations, ATTR_RuntimeInvisibleParameterAnnotations, ATTR_RuntimeInvisibleTypeAnnotations, ATTR_RuntimeVisibleAnnotations, ATTR_RuntimeVisibleParameterAnnotations, ATTR_RuntimeVisibleTypeAnnotations, ATTR_Signature, ATTR_SourceDebug, ATTR_SourceDebugExtension, ATTR_SourceFile, ATTR_StackMapTable, ATTR_Synthetic, ATTR_Unknown, ATTR_Varargs, CONSTANT_Class, CONSTANT_Double, CONSTANT_Dynamic, CONSTANT_Fieldref, CONSTANT_Float, CONSTANT_Integer, CONSTANT_InterfaceMethodref, CONSTANT_InvokeDynamic, CONSTANT_Long, CONSTANT_MethodHandle, CONSTANT_Methodref, CONSTANT_MethodType, CONSTANT_Module, CONSTANT_NameAndType, CONSTANT_Package, CONSTANT_String, CONSTANT_Utf8, KNOWN_ATTRS, MAGIC, MAJOR_VERSION, MINOR_VERSION_MAX, REF_getField, REF_getStatic, REF_invokeInterface, REF_invokeSpecial, REF_invokeStatic, REF_invokeVirtual, REF_newInvokeSpecial, REF_putField, REF_putStatic, REQUIRED_ATTRS

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RefCpInfo(int tag)	Instantiates a new Ref cp info.

Method Summary

Modifier and Type	Method	Description
void	dump(java.io.PrintWriter pw, ClassFile cf, int index)	Dump the content of the class file to the specified file (used for debugging).
protected int	getClassIndex()	Return the class index.
protected int	getNameAndTypeIndex()	Return the name-and-type index.
protected void	markNTRefs(ConstantPool pool)	Check for N+T references to constant pool and mark them.
protected void	readInfo(java.io.DataInput din)	Read the 'info' data following the u1tag byte.
protected void	setNameAndTypeIndex(int index)	Set the name-and-type index.
protected void	writeInfo(java.io.DataOutput dout)	Write the 'info' data following the u1tag byte.

Methods inherited from class com.yworks.yguard.obf.classfile.CpInfo

create, decRefCount, getRefCount, incRefCount, markUtf8Refs, resetRefCount, write

Methods inherited from class java.lang.Object

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

Constructor Detail

RefCpInfo

protected RefCpInfo(int tag)

Instantiates a new Ref cp info.

Parameters:

tag - the tag

Method Detail

getClassIndex

protected int getClassIndex()

Return the class index.

Returns:

the class index

getNameAndTypeIndex

protected int getNameAndTypeIndex()

Return the name-and-type index.

Returns:

the name and type index

setNameAndTypeIndex

protected void setNameAndTypeIndex(int index)

Set the name-and-type index.

Parameters:

index - the index

markNTRefs

protected void markNTRefs(ConstantPool pool)

Check for N+T references to constant pool and mark them.

Overrides:

markNTRefs in class CpInfo

Parameters:

pool - the pool

readInfo

protected void readInfo(java.io.DataInput din)
                 throws java.io.IOException

Read the 'info' data following the u1tag byte.

Specified by:

readInfo in class CpInfo

Parameters:

din - the din

Throws:

java.io.IOException - the io exception

writeInfo

protected void writeInfo(java.io.DataOutput dout)
                  throws java.io.IOException

Write the 'info' data following the u1tag byte.

Specified by:

writeInfo in class CpInfo

Parameters:

dout - the dout

Throws:

java.io.IOException - the io exception

dump

public void dump(java.io.PrintWriter pw,
                 ClassFile cf,
                 int index)

Dump the content of the class file to the specified file (used for debugging).

Overrides:

dump in class CpInfo

Parameters:

pw - the pw

cf - the cf

index - the index