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Compil3r.BytecodeAnalysis
Class Bytecodes.LocalVariableInstruction  

java.lang.Object
  Compil3r.BytecodeAnalysis.Bytecodes.Instruction
      Compil3r.BytecodeAnalysis.Bytecodes.LocalVariableInstruction

All Implemented Interfaces:

Bytecodes.IndexedInstruction, Bytecodes.TypedInstruction, java.lang.Cloneable, java.io.Serializable

Direct Known Subclasses:

Bytecodes.IINC, Bytecodes.LoadInstruction, Bytecodes.StoreInstruction

Enclosing class:

Bytecodes

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public abstract static class Bytecodes.LocalVariableInstruction

extends Bytecodes.Instruction

implements Bytecodes.TypedInstruction, Bytecodes.IndexedInstruction

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Field Summary
private  short	c_tag
private  short	canon_tag
protected  int	n

 

Fields inherited from class Compil3r.BytecodeAnalysis.Bytecodes.Instruction

length, opcode

 

Constructor Summary
(package private)	Bytecodes.LocalVariableInstruction()           Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction().
(package private)	Bytecodes.LocalVariableInstruction(short canon_tag, short c_tag)           Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction().
protected	Bytecodes.LocalVariableInstruction(short opcode, short c_tag, int n)

 

Method Summary
void	dump(java.io.DataOutputStream out)           Dump instruction as byte code to stream out.
short	getCanonicalTag()
int	getIndex()
Clazz.jq_Type	getType()           Returns the type associated with the instruction - in case of ALOAD or ASTORE Type.OBJECT is returned.
protected  void	initFromFile(Clazz.jq_ConstantPool cp, Util.IO.ByteSequence bytes, boolean wide)           Read needed data (e.g.
void	setIndex(int n)           Set the local variable index
java.lang.String	toString(boolean verbose)           Long output format: <name of opcode> "["<opcode number>"]" "("<length of instruction>")" "<"< local variable index>">"
private  boolean	wide()

 

Methods inherited from class Compil3r.BytecodeAnalysis.Bytecodes.Instruction

accept, consumeStack, copy, dispose, getLength, getOpcode, produceStack, readInstruction, toString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

n

protected int n

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c_tag

private short c_tag

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canon_tag

private short canon_tag

Constructor Detail

Bytecodes.LocalVariableInstruction

Bytecodes.LocalVariableInstruction(short canon_tag,
                                   short c_tag)

Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise. tag and length are defined in readInstruction and initFromFile, respectively.

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Bytecodes.LocalVariableInstruction

Bytecodes.LocalVariableInstruction()

Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Also used by IINC()!

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Bytecodes.LocalVariableInstruction

protected Bytecodes.LocalVariableInstruction(short opcode,
                                             short c_tag,
                                             int n)

Method Detail

wide

private final boolean wide()

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dump

public void dump(java.io.DataOutputStream out)
          throws java.io.IOException

Dump instruction as byte code to stream out.

Overrides:

dump in class Bytecodes.Instruction

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toString

public java.lang.String toString(boolean verbose)

Long output format: <name of opcode> "["<opcode number>"]" "("<length of instruction>")" "<"< local variable index>">"

Overrides:

toString in class Bytecodes.Instruction

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initFromFile

protected void initFromFile(Clazz.jq_ConstantPool cp,
                            Util.IO.ByteSequence bytes,
                            boolean wide)
                     throws java.io.IOException

Read needed data (e.g. index) from file. PRE: (ILOAD <= tag <= ALOAD_3) || (ISTORE <= tag <= ASTORE_3)

Overrides:

initFromFile in class Bytecodes.Instruction

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getIndex

public final int getIndex()

Specified by:

getIndex in interface Bytecodes.IndexedInstruction

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setIndex

public void setIndex(int n)

Set the local variable index

Specified by:

setIndex in interface Bytecodes.IndexedInstruction

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getCanonicalTag

public short getCanonicalTag()

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getType

public final Clazz.jq_Type getType()

Returns the type associated with the instruction - in case of ALOAD or ASTORE Type.OBJECT is returned. This is just a bit incorrect, because ALOAD and ASTORE may work on every ReferenceType (including Type.NULL) and ASTORE may even work on a ReturnaddressType .

Specified by:

getType in interface Bytecodes.TypedInstruction

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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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