org.multijava.util.classfile
Class LocalVariableInfo

java.lang.Object
  org.multijava.util.classfile.LocalVariableInfo

All Implemented Interfaces:

AccessorContainer

public class LocalVariableInfo

extends java.lang.Object

implements AccessorContainer

VMS 4.7.6: Line Number Table Attribute This attribute represents a mapping between he Java Virtual Machine code array and the line number in the original Java source file

Field Summary
private  InstructionAccessor	end
private  AsciiConstant	name
private  short	slot
private  InstructionAccessor	start
private  AsciiConstant	type

 

Constructor Summary

LocalVariableInfo(java.io.DataInput in, ConstantPool cp, Instruction[] insns)           Create an entry in the line number table from a class file stream

LocalVariableInfo(InstructionAccessor start, InstructionAccessor end, java.lang.String name, java.lang.String type, short slot)           Create an entry in the line number table

 

Method Summary
InstructionAccessor	getEnd()           Returns the end of the protected area
java.lang.String	getName()           Returns the name of the local variable
short	getSlot()           Returns the index in the method's local variables
InstructionAccessor	getStart()           Returns the start of the protected area
java.lang.String	getType()           Returns the type of the local variable
(package private)  void	resolveConstants(ConstantPool cp)           Insert or check location of constant value on constant pool
void	setEnd(InstructionAccessor end)           Sets the end of the protected area
void	setStart(InstructionAccessor start)           Sets the start of the protected area
void	transformAccessors(AccessorTransformer transformer)           Transforms targets (deferences to actual instructions).
(package private)  void	write(ConstantPool cp, java.io.DataOutput out)           Write this class into the the file (out) getting data position from the constant pool

 

Methods inherited from class java.lang.Object

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

 

Field Detail

start

private InstructionAccessor start

end

private InstructionAccessor end

name

private AsciiConstant name

type

private AsciiConstant type

slot

private short slot

LocalVariableInfo

public LocalVariableInfo(InstructionAccessor start,
                         InstructionAccessor end,
                         java.lang.String name,
                         java.lang.String type,
                         short slot)

Create an entry in the line number table

Parameters:

start - the beginning of the area (inclusive) where the name is valid

end - the end of the area (inclusive) where the name is valid

name - the name of the variable

type - the type signature of the variable

slot - the index in the method's local variables

LocalVariableInfo

public LocalVariableInfo(java.io.DataInput in,
                         ConstantPool cp,
                         Instruction[] insns)
                  throws java.io.IOException

Create an entry in the line number table from a class file stream

Parameters:

in - the stream to read from

cp - the constant pool

insns - (sparse) array of instructions

Throws:

java.io.IOException - an io problem has occured

transformAccessors

public void transformAccessors(AccessorTransformer transformer)
                        throws BadAccessorException

Transforms targets (deferences to actual instructions).

Specified by:

transformAccessors in interface AccessorContainer

Parameters:

transformer - the transformer used to transform accessors

Throws:

BadAccessorException

getName

public java.lang.String getName()

Returns the name of the local variable

getType

public java.lang.String getType()

Returns the type of the local variable

setStart

public void setStart(InstructionAccessor start)

Sets the start of the protected area

getStart

public InstructionAccessor getStart()

Returns the start of the protected area

setEnd

public void setEnd(InstructionAccessor end)

Sets the end of the protected area

getEnd

public InstructionAccessor getEnd()

Returns the end of the protected area

getSlot

public short getSlot()

Returns the index in the method's local variables

resolveConstants

void resolveConstants(ConstantPool cp)

Insert or check location of constant value on constant pool

Parameters:

cp - the constant pool for this class

write

void write(ConstantPool cp,
           java.io.DataOutput out)
     throws java.io.IOException

Write this class into the the file (out) getting data position from the constant pool

Parameters:

cp - the constant pool that contain all data

out - the file where to write this object info

Throws:

java.io.IOException - an io problem has occured