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bcel API: Class LineNumberTable
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org.apache.bcel.classfile
Class LineNumberTable

java.lang.Object
  |
  +--org.apache.bcel.classfile.Attribute
        |
        +--org.apache.bcel.classfile.LineNumberTable
All Implemented Interfaces:
java.lang.Cloneable, Node
public final class LineNumberTable
extends Attribute

This class 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 1.1.1.1 2001/10/29 20:00:02 jvanzyl Exp $
Author:
M. Dahm
See Also:
Code, LineNumber

Fields inherited from class org.apache.bcel.classfile.Attribute
constant_pool, length, name_index, tag
 
Constructor Summary
LineNumberTable(int name_index, int length, LineNumber[] line_number_table, ConstantPool constant_pool)
           
LineNumberTable(LineNumberTable c)
           
 
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 org.apache.bcel.classfile.Attribute
addAttributeReader, clone, getConstantPool, getLength, getNameIndex, getTag, removeAttributeReader, setConstantPool, setLength, setNameIndex
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, 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.
Overrides:
accept in class Attribute
Parameters:
v - Visitor object

dump

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

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()
Overrides:
toString in class Attribute
Returns:
String representation.

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)
Overrides:
copy in class Attribute
Returns:
deep copy of this attribute

getTableLength

public final int getTableLength()
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