com.claritysys.jvm.disassembler
Class CodeIterator

java.lang.Object
  com.claritysys.jvm.disassembler.CodeIterator

public final class CodeIterator
extends java.lang.Object

Nested Class Summary

static class

CodeIterator.LineMarker

Constructor Summary

CodeIterator(Disassembler dis, CfMethod method, int parameterCount)

Method Summary

void	extractMarkers()
int	getArgPtr()
byte[]	getBytes()
static java.lang.String	getLocalName(CfMethod method, int localNumber)
java.lang.String	getLocalName(int lnum)
CodeIterator.LineMarker	getMarker()
CodeIterator.LineMarker	getMarkerAtOffset(int offset)
CodeIterator.LineMarker	getMarkerAtPC(int target)
CodeIterator.LineMarker	getNextMarker()
int	getOpCount()
int	getPc()
boolean	hasNext()
int	nextI1()
int	nextI2()
int	nextI4()
int	nextOp() Consume the opcode under the PC and advance the PC by one.
int	nextU1()
int	nextU2()
void	reset()
void	setMethod(CfMethod method, int parameterCount)

Methods inherited from class java.lang.Object

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

Constructor Detail

CodeIterator

public CodeIterator(Disassembler dis,
                    CfMethod method,
                    int parameterCount)

Method Detail

setMethod

public void setMethod(CfMethod method,
                      int parameterCount)

extractMarkers

public void extractMarkers()

reset

public void reset()

hasNext

public boolean hasNext()

nextOp

public int nextOp()

Consume the opcode under the PC and advance the PC by one.

If its a WIDE, consume the following opcode and set isWide = true.

Returns:

Constants.XXX (Opcode) or -1 if no more.

getArgPtr

public int getArgPtr()

getPc

public int getPc()

getBytes

public byte[] getBytes()

getOpCount

public int getOpCount()

nextU1

public int nextU1()

nextU2

public int nextU2()

nextI1

public int nextI1()

nextI2

public int nextI2()

nextI4

public int nextI4()

getMarker

public CodeIterator.LineMarker getMarker()

getNextMarker

public CodeIterator.LineMarker getNextMarker()

getMarkerAtOffset

public CodeIterator.LineMarker getMarkerAtOffset(int offset)

getMarkerAtPC

public CodeIterator.LineMarker getMarkerAtPC(int target)

getLocalName

public static java.lang.String getLocalName(CfMethod method,
                                            int localNumber)

getLocalName

public java.lang.String getLocalName(int lnum)