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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, java.io.Serializable

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public final class LineNumber

extends java.lang.Object

implements java.lang.Cloneable, Node, java.io.Serializable

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 386056 2006-03-15 11:31:56Z tcurdt $

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Field Summary
private  int	line_number
private  int	start_pc

 

Constructor Summary
(package private)	LineNumber(java.io.DataInputStream file)           Construct object from file stream.
	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()           Convert this Object to a human-readable String.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

start_pc

private int start_pc

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line_number

private int line_number

Constructor Detail

LineNumber

public LineNumber(LineNumber c)

Initialize from another object.

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LineNumber

LineNumber(java.io.DataInputStream file)
     throws java.io.IOException

Construct object from file stream.

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LineNumber

public LineNumber(int start_pc,
                  int line_number)

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

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dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException

Dump line number/pc pair to file stream in binary format.

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getLineNumber

public final int getLineNumber()

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getStartPC

public final int getStartPC()

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setLineNumber

public final void setLineNumber(int line_number)

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setStartPC

public final void setStartPC(int start_pc)

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toString

public final java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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copy

public LineNumber copy()

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