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

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

Direct Known Subclasses:

BinaryInstruction, InvokeInterface, LookupSwitchInstruction, MultiANewArray, TableSwitchInstruction, TrinaryInstruction, UnaryInstruction, WideBinaryInstruction

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public abstract class Instruction

extends java.lang.Object

An instruction is a operation executed in java and consists either of no operand or one operand. The size of the operand my vary between a byte and a short. These specific instructions are implemented in the subclasses

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Field Summary
private  byte	command
private  short	index

 

Constructor Summary
protected	Instruction(byte command)           Creates a Instruction for a specific command

 

Method Summary
byte	getCommand()
short	getIndex()
abstract  int	getNumberOfUsedBytes()
byte	getOpcode()
void	resolveIndices(com.chaoswg.xtc4y.classdesc.code.Code code)           Resolve indices of instructions.
void	setIndex(short index)           Set the index of this instruction, is set by the code container
java.lang.String	toString()           Write code in a readable way
void	write(java.io.DataOutputStream dos, com.chaoswg.xtc4y.classdesc.ConstantPool cp)           Write the instruction onto the DataOutputStream, using the constant pool to register variables.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

command

private byte command

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index

private short index

Constructor Detail

Instruction

protected Instruction(byte command)

Creates a Instruction for a specific command

Method Detail

write

public void write(java.io.DataOutputStream dos,
                  com.chaoswg.xtc4y.classdesc.ConstantPool cp)
           throws java.io.IOException

Write the instruction onto the DataOutputStream, using the constant pool to register variables. .

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resolveIndices

public void resolveIndices(com.chaoswg.xtc4y.classdesc.code.Code code)

Resolve indices of instructions. By default do nothing

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getNumberOfUsedBytes

public abstract int getNumberOfUsedBytes()

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setIndex

public void setIndex(short index)

Set the index of this instruction, is set by the code container

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getIndex

public short getIndex()

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toString

public java.lang.String toString()

Write code in a readable way

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getOpcode

public byte getOpcode()

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getCommand

public byte getCommand()

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> com >> chaoswg >> xtc4y >> classdesc >> code >> [ instructions overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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