gnu.bytecode

Class ConstantPool

java.lang.Object

gnu.bytecode.ConstantPool

public class ConstantPool
extends java.lang.Object

Manages a pool of constants, as used in .class files and Java interpreters.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	ANY_REF Any one of the XXX_REF types.
static byte	CLASS
static byte	DOUBLE
static byte	FIELDREF
static byte	FLOAT
static byte	INTEGER
static byte	INTERFACE_METHODREF
static byte	INVOKE_DYNAMIC
static byte	LONG
static byte	METHOD_HANDLE
static byte	METHOD_TYPE
static byte	METHODREF
static byte	NAME_AND_TYPE
static byte	STRING
static byte	UTF8

Constructor Summary

Constructors

Constructor and Description
ConstantPool()
ConstantPool(java.io.DataInputStream dstr)

Method Summary

Modifier and Type	Method and Description
CpoolClass	addClass(CpoolUtf8 name)
CpoolClass	addClass(ObjectType otype)
CpoolValue2	addDouble(double val)
CpoolRef	addFieldRef(Field field)
CpoolValue1	addFloat(float val)
CpoolValue1	addInt(int val)
CpoolValue2	addLong(long val)
CpoolMethodHandle	addMethodHandle(int kind, CpoolRef reference)
CpoolMethodHandle	addMethodHandle(Method method)
CpoolRef	addMethodRef(Method method)
CpoolNameAndType	addNameAndType(CpoolUtf8 name, CpoolUtf8 type)
CpoolNameAndType	addNameAndType(Field field)
CpoolNameAndType	addNameAndType(Method method)
CpoolRef	addRef(int tag, CpoolClass clas, CpoolNameAndType nameAndType)
CpoolString	addString(CpoolUtf8 str)
CpoolString	addString(java.lang.String string)
CpoolUtf8	addUtf8(java.lang.String s)
int	getCount()
CpoolEntry	getPoolEntry(int index) Get the index'th entry in pool.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS

public static final byte CLASS

See Also:

Constant Field Values

FIELDREF

public static final byte FIELDREF

See Also:

Constant Field Values

METHODREF

public static final byte METHODREF

See Also:

Constant Field Values

INTERFACE_METHODREF

public static final byte INTERFACE_METHODREF

See Also:

Constant Field Values

ANY_REF

public static final byte ANY_REF

Any one of the XXX_REF types.

See Also:

Constant Field Values

STRING

public static final byte STRING

See Also:

Constant Field Values

INTEGER

public static final byte INTEGER

See Also:

Constant Field Values

FLOAT

public static final byte FLOAT

See Also:

Constant Field Values

LONG

public static final byte LONG

See Also:

Constant Field Values

DOUBLE

public static final byte DOUBLE

See Also:

Constant Field Values

METHOD_HANDLE

public static final byte METHOD_HANDLE

See Also:

Constant Field Values

METHOD_TYPE

public static final byte METHOD_TYPE

See Also:

Constant Field Values

INVOKE_DYNAMIC

public static final byte INVOKE_DYNAMIC

See Also:

Constant Field Values

NAME_AND_TYPE

public static final byte NAME_AND_TYPE

See Also:

Constant Field Values

UTF8

public static final byte UTF8

See Also:

Constant Field Values

Constructor Detail

ConstantPool

public ConstantPool()

ConstantPool

public ConstantPool(java.io.DataInputStream dstr)
             throws java.io.IOException

Throws:

java.io.IOException

Method Detail

getCount

public final int getCount()

getPoolEntry

public final CpoolEntry getPoolEntry(int index)

Get the index'th entry in pool. Will throw ArrayIndexOutOfBoundsException on an invalid index

addUtf8

public CpoolUtf8 addUtf8(java.lang.String s)

addClass

public CpoolClass addClass(ObjectType otype)

addMethodHandle

public CpoolMethodHandle addMethodHandle(Method method)

addMethodHandle

public CpoolMethodHandle addMethodHandle(int kind,
                                         CpoolRef reference)

addClass

public CpoolClass addClass(CpoolUtf8 name)

addInt

public CpoolValue1 addInt(int val)

addLong

public CpoolValue2 addLong(long val)

addFloat

public CpoolValue1 addFloat(float val)

addDouble

public CpoolValue2 addDouble(double val)

addString

public final CpoolString addString(java.lang.String string)

addString

public CpoolString addString(CpoolUtf8 str)

addNameAndType

public CpoolNameAndType addNameAndType(Method method)

addNameAndType

public CpoolNameAndType addNameAndType(Field field)

addNameAndType

public CpoolNameAndType addNameAndType(CpoolUtf8 name,
                                       CpoolUtf8 type)

addRef

public CpoolRef addRef(int tag,
                       CpoolClass clas,
                       CpoolNameAndType nameAndType)

addMethodRef

public CpoolRef addMethodRef(Method method)

addFieldRef

public CpoolRef addFieldRef(Field field)