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Class DE.fub.inf.JVM.JavaClass.LineNumberTable

java.lang.Object
  |
  +--DE.fub.inf.JVM.JavaClass.Attribute
        |
        +--DE.fub.inf.JVM.JavaClass.LineNumberTable

public final class LineNumberTable
extends Attribute
This class is derived from Attribute and represents a table of line numbers for debugging purposes. This attribute is used by the Code attribute. It contains pairs of PCs and line numbers.

Version:
$Id: LineNumberTable.java,v 1.6 1998/09/18 09:21:07 dahm Exp $
Author:
M. Dahm
See Also:
Code, LineNumber

Fields inherited from class DE.fub.inf.JVM.JavaClass.Attribute
constant_pool, length, name_index, tag
 
Constructor Summary
LineNumberTable(LineNumberTable c)
           
LineNumberTable(int name_index, int length, LineNumber[] line_number_table, ConstantPool constant_pool)
           
 
Method Summary
void accept(Visitor v)
          Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
Attribute copy(ConstantPool constant_pool)
           
void dump(java.io.DataOutputStream file)
          Dump line number table attribute to file stream in binary format.
LineNumber[] getLineNumberTable()
           
int getSourceLine(int pos)
          Map byte code positions to source code lines.
int getTableLength()
           
void setLineNumberTable(LineNumber[] line_number_table)
           
java.lang.String toString()
           
 
Methods inherited from class DE.fub.inf.JVM.JavaClass.Attribute
accept, clone, copy, dump, getConstantPool, getLength, getNameIndex, getTag, setConstantPool, setLength, setNameIndex, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notifyAll, notify, toString, wait, wait, wait
 

Constructor Detail

LineNumberTable

public LineNumberTable(LineNumberTable c)

LineNumberTable

public LineNumberTable(int name_index,
                       int length,
                       LineNumber[] line_number_table,
                       ConstantPool constant_pool)
Method Detail

accept

public void accept(Visitor v)
Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.
Parameters:
v - Visitor object
Overrides:
accept in class Attribute

dump

public final void dump(java.io.DataOutputStream file)
               throws java.io.IOException
Dump line number table attribute to file stream in binary format.
Parameters:
file - Output file stream
Overrides:
dump in class Attribute

getLineNumberTable

public final LineNumber[] getLineNumberTable()
Returns:
Array of (pc offset, line number) pairs.

setLineNumberTable

public final void setLineNumberTable(LineNumber[] line_number_table)
Parameters:
line_number_table. -  

toString

public final java.lang.String toString()
Returns:
String representation.
Overrides:
toString in class Attribute

getSourceLine

public int getSourceLine(int pos)
Map byte code positions to source code lines.
Parameters:
pos - byte code offset
Returns:
corresponding line in source code

copy

public Attribute copy(ConstantPool constant_pool)
Returns:
deep copy of this attribute
Overrides:
copy in class Attribute

getTableLength

public final int getTableLength()

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