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

java.lang.Object
  extended by edu.rice.cs.cunit.classFile.attributes.AAttributeInfo
      extended by edu.rice.cs.cunit.classFile.attributes.ExceptionsAttributeInfo
All Implemented Interfaces:
java.lang.Cloneable

public class ExceptionsAttributeInfo
extends AAttributeInfo

Represents the Exceptions attribute in a class file.

Author:
Mathias Ricken

Field Summary
 
Fields inherited from class edu.rice.cs.cunit.classFile.attributes.AAttributeInfo
_constantPool, _data, _name
 
Constructor Summary
ExceptionsAttributeInfo(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 getExceptionCount()
          Return the number of checked exceptions.
 ClassPoolInfo[] getExceptions()
          Return the checked exceptions list.
 void setExceptions(ClassPoolInfo[] cpi)
          Set the checked exceptions list.
 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

ExceptionsAttributeInfo

public ExceptionsAttributeInfo(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

getExceptionCount

public int getExceptionCount()
                      throws java.lang.ClassFormatError
Return the number of checked exceptions.

Returns:
number of exceptions
Throws:
java.lang.ClassFormatError

getExceptions

public ClassPoolInfo[] getExceptions()
                              throws java.lang.ClassFormatError
Return the checked exceptions list.

Returns:
list of checked exceptions. May contain null!
Throws:
java.lang.ClassFormatError

setExceptions

public void setExceptions(ClassPoolInfo[] cpi)
Set the checked exceptions list.

Parameters:
cpi - list of checked exceptions
Throws:
java.lang.ClassFormatError

toString

public java.lang.String toString()
Return a human-readable version of this attribute.

Overrides:
toString in class AAttributeInfo
Returns:
string

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

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.