CPRefInstruction

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Class

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Deprecated

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SUMMARY:

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com.chaoswg.xtc4y.classdesc.code.instructions
Class CPRefInstruction

java.lang.Object
  com.chaoswg.xtc4y.classdesc.code.instructions.Instruction
      com.chaoswg.xtc4y.classdesc.code.instructions.WideBinaryInstruction
          com.chaoswg.xtc4y.classdesc.code.instructions.CPRefInstruction

Direct Known Subclasses:: ANewArray, CheckCast, ClassInstruction, FieldrefInstruction, InstanceOf, InvokeSpecial, InvokeStatic, InvokeVirtual, LDC_W, LDC2_W, MethodrefInstruction, New

public class CPRefInstruction
extends WideBinaryInstruction

a constant pool refernece instruction is an instruction composite of the command and a short refering into the cp table.

Field Summary

static byte ANEWARRAY
          instantiation of an array

static byte CHECKCAST
          check a cast

private com.chaoswg.xtc4y.classdesc.ConstantPoolEntry cpEntry


static byte GETFIELD
          get an instance field value

static byte GETSTATIC
          get a static field value

static byte INSTANCEOF
          check the object instance

static byte INVOKESPECIAL
          invoke the instance initialisation method

static byte INVOKESTATIC
          invoke a static method

static byte INVOKEVIRTUAL
          invoke a method on an object

static byte LDC_W
          load an int, byte, short, float, string, char from the cp

static byte LDC2_W
          load a float or double from the cp

static byte NEW
          instantiate a new object

static byte PUTFIELD
          put an instance field value

static byte PUTSTATIC
          gput a static field value

Fields inherited from class com.chaoswg.xtc4y.classdesc.code.instructions.WideBinaryInstruction

NEWARRAY, SIPUSH

Fields inherited from class com.chaoswg.xtc4y.classdesc.code.instructions.Instruction

Constructor Summary

protected CPRefInstruction(byte command, com.chaoswg.xtc4y.classdesc.ConstantPoolEntry cpEntry)
          Create a new binary instruction with a command and a cp entry as operand

protected CPRefInstruction(byte command, java.io.DataInputStream dis, com.chaoswg.xtc4y.classdesc.ConstantPool cp)
          Creates an CPRefInstruction and initializes it from a DataInputStream

Method Summary

protected short getOperand(com.chaoswg.xtc4y.classdesc.ConstantPool cp)
          Register cp entry on constant pool and return index

protected void handleOperand(short operand, com.chaoswg.xtc4y.classdesc.ConstantPool cp)
          Resolve the operand as index from the cp

java.lang.String toString()
          Write code in a readable way

Methods inherited from class com.chaoswg.xtc4y.classdesc.code.instructions.WideBinaryInstruction

getNumberOfUsedBytes, write

Methods inherited from class com.chaoswg.xtc4y.classdesc.code.instructions.Instruction

getCommand, getIndex, getOpcode, resolveIndices, setIndex

Methods inherited from class java.lang.Object

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

Field Detail

cpEntry

private com.chaoswg.xtc4y.classdesc.ConstantPoolEntry cpEntry

LDC_W

public static final byte LDC_W

load an int, byte, short, float, string, char from the cp

See Also:: Constant Field Values

LDC2_W

public static final byte LDC2_W

load a float or double from the cp

See Also:: Constant Field Values

GETSTATIC

public static final byte GETSTATIC

get a static field value

See Also:: Constant Field Values

PUTSTATIC

public static final byte PUTSTATIC

gput a static field value

See Also:: Constant Field Values

GETFIELD

public static final byte GETFIELD

get an instance field value

See Also:: Constant Field Values

PUTFIELD

public static final byte PUTFIELD

put an instance field value

See Also:: Constant Field Values

INVOKEVIRTUAL

public static final byte INVOKEVIRTUAL

invoke a method on an object

See Also:: Constant Field Values

INVOKESPECIAL

public static final byte INVOKESPECIAL

invoke the instance initialisation method

See Also:: Constant Field Values

INVOKESTATIC

public static final byte INVOKESTATIC

invoke a static method

See Also:: Constant Field Values

NEW

public static final byte NEW

instantiate a new object

See Also:: Constant Field Values

ANEWARRAY

public static final byte ANEWARRAY

instantiation of an array

See Also:: Constant Field Values

CHECKCAST

public static final byte CHECKCAST

check a cast

See Also:: Constant Field Values

INSTANCEOF

public static final byte INSTANCEOF

check the object instance

See Also:: Constant Field Values

Constructor Detail