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Compil3r.BytecodeAnalysis
Class Bytecodes.InstructionHandle  

java.lang.Object
  Compil3r.BytecodeAnalysis.Bytecodes.InstructionHandle

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Bytecodes.BranchHandle

Enclosing class:

Bytecodes

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public static class Bytecodes.InstructionHandle

extends java.lang.Object

implements java.io.Serializable

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Field Summary
private  java.util.Map	attributes
protected  int	i_position
private static Bytecodes.InstructionHandle	ih_list
(package private)  Bytecodes.Instruction	instruction
(package private)  Bytecodes.InstructionHandle	next
(package private)  Bytecodes.InstructionHandle	prev
private  java.util.Set	targeters

 

Constructor Summary
protected	Bytecodes.InstructionHandle(Bytecodes.Instruction i)

 

Method Summary
void	accept(Bytecodes.Visitor v)           Convenience method, simply calls accept() on the contained instruction.
void	addAttribute(java.lang.Object key, java.lang.Object attr)           Add an attribute to an instruction handle.
protected  void	addHandle()           Overridden in BranchHandle
void	addTargeter(Bytecodes.InstructionTargeter t)           Denote this handle is being referenced by t.
(package private)  void	dispose()           Delete contents, i.e., remove user access and make handle reusable.
java.lang.Object	getAttribute(java.lang.Object key)           Get attribute of an instruction handle.
Bytecodes.Instruction	getInstruction()
(package private) static Bytecodes.InstructionHandle	getInstructionHandle(Bytecodes.Instruction i)           Factory method.
Bytecodes.InstructionHandle	getNext()
int	getPosition()
Bytecodes.InstructionHandle	getPrev()
java.util.Set	getTargeters()
boolean	hasTargeters()
void	removeAllTargeters()           Remove all targeters, if any.
void	removeAttribute(java.lang.Object key)           Delete an attribute of an instruction handle.
void	removeTargeter(Bytecodes.InstructionTargeter t)           Denote this handle isn't referenced anymore by t.
void	setInstruction(Bytecodes.Instruction i)           Replace current instruction contained in this handle.
(package private)  void	setPosition(int pos)           Set the position, i.e., the byte code offset of the contained instruction.
Bytecodes.Instruction	swapInstruction(Bytecodes.Instruction i)           Temporarily swap the current instruction, without disturbing anything.
java.lang.String	toString()           Convert this Object to a human-readable String.
java.lang.String	toString(boolean verbose)
protected  int	updatePosition(int offset, int max_offset)           Called by InstructionList.setPositions when setting the position for every instruction.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

next

Bytecodes.InstructionHandle next

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prev

Bytecodes.InstructionHandle prev

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instruction

Bytecodes.Instruction instruction

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i_position

protected int i_position

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targeters

private java.util.Set targeters

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attributes

private java.util.Map attributes

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ih_list

private static Bytecodes.InstructionHandle ih_list

Constructor Detail

Bytecodes.InstructionHandle

protected Bytecodes.InstructionHandle(Bytecodes.Instruction i)

Method Detail

getNext

public final Bytecodes.InstructionHandle getNext()

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getPrev

public final Bytecodes.InstructionHandle getPrev()

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getInstruction

public final Bytecodes.Instruction getInstruction()

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setInstruction

public void setInstruction(Bytecodes.Instruction i)

Replace current instruction contained in this handle. Old instruction is disposed using Instruction.dispose().

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swapInstruction

public Bytecodes.Instruction swapInstruction(Bytecodes.Instruction i)

Temporarily swap the current instruction, without disturbing anything. Meant to be used by a debugger, implementing breakpoints. Current instruction is returned.

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getInstructionHandle

static final Bytecodes.InstructionHandle getInstructionHandle(Bytecodes.Instruction i)

Factory method.

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updatePosition

protected int updatePosition(int offset,
                             int max_offset)

Called by InstructionList.setPositions when setting the position for every instruction. In the presence of variable length instructions `setPositions()' performs multiple passes over the instruction list to calculate the correct (byte) positions and offsets by calling this function.

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getPosition

public int getPosition()

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setPosition

void setPosition(int pos)

Set the position, i.e., the byte code offset of the contained instruction.

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addHandle

protected void addHandle()

Overridden in BranchHandle

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dispose

void dispose()

Delete contents, i.e., remove user access and make handle reusable.

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removeAllTargeters

public void removeAllTargeters()

Remove all targeters, if any.

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removeTargeter

public void removeTargeter(Bytecodes.InstructionTargeter t)

Denote this handle isn't referenced anymore by t.

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addTargeter

public void addTargeter(Bytecodes.InstructionTargeter t)

Denote this handle is being referenced by t.

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hasTargeters

public boolean hasTargeters()

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getTargeters

public java.util.Set getTargeters()

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toString

public java.lang.String toString(boolean verbose)

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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addAttribute

public void addAttribute(java.lang.Object key,
                         java.lang.Object attr)

Add an attribute to an instruction handle.

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removeAttribute

public void removeAttribute(java.lang.Object key)

Delete an attribute of an instruction handle.

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getAttribute

public java.lang.Object getAttribute(java.lang.Object key)

Get attribute of an instruction handle.

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accept

public void accept(Bytecodes.Visitor v)

Convenience method, simply calls accept() on the contained instruction.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> Compil3r >> [ BytecodeAnalysis overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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