edu.rice.cs.cunit.classFile.attributes
Class LineNumberTableAttributeInfo

java.lang.Object
  edu.rice.cs.cunit.classFile.attributes.AAttributeInfo
      edu.rice.cs.cunit.classFile.attributes.LineNumberTableAttributeInfo

All Implemented Interfaces:

java.lang.Cloneable

public class LineNumberTableAttributeInfo
extends AAttributeInfo

Represents the LineNumberTable attribute in a class file.

Author:

Mathias Ricken

Nested Class Summary

static class

LineNumberTableAttributeInfo.LineNumberRecord Storage class for line number/program counter _pairs.

Field Summary

Fields inherited from class edu.rice.cs.cunit.classFile.attributes.AAttributeInfo

_constantPool, _data, _name

Constructor Summary

LineNumberTableAttributeInfo(AUTFPoolInfo name, byte[] data, ConstantPool cp)
Constructor.

Method Summary

void	adjustPC(int startPC, int deltaPC) Adjust program counter values contained in this attribute, starting at startPC, by adding deltaPC to them.
java.lang.Object	clone() Creates and returns a copy of this object.
<R,D> R	execute(IAttributeVisitor<R,D> visitor, D param) Execute a visitor on this attribute.
static java.lang.String	getAttributeName() Returns the name of the attribute as it appears in the class file.
int	getLineNumberCount() Return the number of line number records.
LineNumberTableAttributeInfo.LineNumberRecord[]	getLineNumbers() Return a copy of the line number records.
void	setLineNumbers(LineNumberTableAttributeInfo.LineNumberRecord[] lnr) Set the line number records.
java.lang.String	toString() Return a human-readable version of this attribute.
void	translatePC(int index, int deltaIndex, LineNumberTable oldLnt, LineNumberTable newLnt) Translate the program counter values contained in this attribute from an old line number table to a new one.

Methods inherited from class edu.rice.cs.cunit.classFile.attributes.AAttributeInfo

equals, getData, getName, hashCode, read, setData, setName, write

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LineNumberTableAttributeInfo

public LineNumberTableAttributeInfo(AUTFPoolInfo name,
                                    byte[] data,
                                    ConstantPool cp)
                             throws java.lang.ClassFormatError

Constructor.

Parameters:

name - attribute name

data - attribute data

cp - constant pool

Throws:

java.lang.ClassFormatError

Method Detail

getLineNumberCount

public int getLineNumberCount()

Return the number of line number records.

Returns:

number of line number records

Throws:

java.lang.ClassFormatError

getLineNumbers

public LineNumberTableAttributeInfo.LineNumberRecord[] getLineNumbers()
                                                               throws java.lang.ClassFormatError

Return a copy of the line number records.

Returns:

list of line number records

Throws:

java.lang.ClassFormatError

setLineNumbers

public void setLineNumbers(LineNumberTableAttributeInfo.LineNumberRecord[] lnr)

Set the line number records.

Parameters:

lnr - list of line number records

execute

public <R,D> R execute(IAttributeVisitor<R,D> visitor,
                       D param)

Execute a visitor on this attribute.

Specified by:

execute in class AAttributeInfo

Parameters:

visitor - visitor

param - visitor-specific parameter

Returns:

visitor-specific return value

toString

public java.lang.String toString()

Return a human-readable version of this attribute.

Overrides:

toString in class AAttributeInfo

Returns:

string

adjustPC

public void adjustPC(int startPC,
                     int deltaPC)

Adjust program counter values contained in this attribute, starting at startPC, by adding deltaPC to them.

Specified by:

adjustPC in class AAttributeInfo

Parameters:

startPC - program counter to start at

deltaPC - change in program counter values

translatePC

public void translatePC(int index,
                        int deltaIndex,
                        LineNumberTable oldLnt,
                        LineNumberTable newLnt)

Translate the program counter values contained in this attribute from an old line number table to a new one.

Specified by:

translatePC in class AAttributeInfo

Parameters:

index - critical point (insertion or deletion point)

deltaIndex - delta value to add to all old line numbers greater than the critical point

oldLnt - old line number table

newLnt - new line number table

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Creates and returns a copy of this object.

Overrides:

clone in class AAttributeInfo

Throws:

java.lang.CloneNotSupportedException

getAttributeName

public static java.lang.String getAttributeName()

Returns the name of the attribute as it appears in the class file.

Returns:

name of the attribute.