org.multijava.util.classfile
Class LineNumberTable

java.lang.Object
  org.multijava.util.classfile.Attribute
      org.multijava.util.classfile.LineNumberTable

public class LineNumberTable

extends Attribute

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 static AsciiConstant	attr
private  LineNumberInfo[]	entries

 

Constructor Summary

LineNumberTable(DataInput in, ConstantPool cp, Instruction[] insns)           Constructs a line number table attribute from a class file stream.

LineNumberTable(LineNumberInfo[] entries)           Create a line number table attribute.

 

Method Summary
(package private)  LineNumberInfo[]	getLineNumbers()           Returns line number information
protected  int	getSize()           Returns the space in bytes used by this attribute in the classfile
protected  int	getTag()           Returns the attribute's tag
protected  void	resolveConstants(ConstantPool cp)           Insert or check location of constant value on constant pool
protected  void	write(ConstantPool cp, 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

attr

private static AsciiConstant attr

entries

private LineNumberInfo[] entries

LineNumberTable

public LineNumberTable(LineNumberInfo[] entries)

Create a line number table attribute.

LineNumberTable

public LineNumberTable(DataInput in,
                       ConstantPool cp,
                       Instruction[] insns)
                throws IOException

Constructs a line number table attribute from a class file stream.

Parameters:

in - the stream to read from

cp - the constant pool

insns - (sparse) array of instructions

Throws:

IOException - an io problem has occured

getTag

protected int getTag()

Returns the attribute's tag

getSize

protected int getSize()

Returns the space in bytes used by this attribute in the classfile

getLineNumbers

LineNumberInfo[] getLineNumbers()

Returns line number information

resolveConstants

protected void resolveConstants(ConstantPool cp)

Insert or check location of constant value on constant pool

Parameters:

cp - the constant pool for this class

write

protected void write(ConstantPool cp,
                     DataOutput out)
              throws 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:

IOException - an io problem has occured