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

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

This class represents a (PC offset, line number) pair, i.e., a line number in the source that corresponds to a relative address in the byte code. This is used for debugging purposes.

Version:
$Id: LineNumber.java,v 1.1.1.1 2001/10/29 20:00:02 jvanzyl Exp $
Author:
M. Dahm
See Also:
LineNumberTable

Constructor Summary
LineNumber(int start_pc, int line_number)
           
LineNumber(LineNumber c)
          Initialize from another object.
 
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.
 LineNumber copy()
           
 void dump(java.io.DataOutputStream file)
          Dump line number/pc pair to file stream in binary format.
 int getLineNumber()
           
 int getStartPC()
           
 void setLineNumber(int line_number)
           
 void setStartPC(int start_pc)
           
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

LineNumber

public LineNumber(LineNumber c)
Initialize from another object.

LineNumber

public LineNumber(int start_pc,
                  int line_number)
Parameters:
start_pc - Program Counter (PC) corresponds to
line_number - line number in source file
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.
Specified by:
accept in interface Node
Parameters:
v - Visitor object

dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException
Dump line number/pc pair to file stream in binary format.
Parameters:
file - Output file stream

getLineNumber

public final int getLineNumber()
Returns:
Corresponding source line

getStartPC

public final int getStartPC()
Returns:
PC in code

setLineNumber

public final void setLineNumber(int line_number)
Parameters:
line_number. -  

setStartPC

public final void setStartPC(int start_pc)
Parameters:
start_pc. -  

toString

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

copy

public LineNumber copy()
Returns:
deep copy of this object
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