Package org.apache.bcel.classfile
Class LineNumber
- java.lang.Object
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- org.apache.bcel.classfile.LineNumber
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
,Node
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 $
- Author:
- M. Dahm
- See Also:
LineNumberTable
, Serialized Form
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Constructor Summary
Constructors Constructor Description LineNumber(int start_pc, int line_number)
LineNumber(LineNumber c)
Initialize from another object.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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()
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Constructor Detail
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LineNumber
public LineNumber(LineNumber c)
Initialize from another object.
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LineNumber
public LineNumber(int start_pc, int line_number)
- Parameters:
start_pc
- Program Counter (PC) corresponds toline_number
- line number in source file
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Method Detail
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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.
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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.- Parameters:
file
- Output file stream- Throws:
java.io.IOException
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getLineNumber
public final int getLineNumber()
- Returns:
- Corresponding source line
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getStartPC
public final int getStartPC()
- Returns:
- PC in code
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setLineNumber
public final void setLineNumber(int line_number)
- Parameters:
line_number
- the source line number
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setStartPC
public final void setStartPC(int start_pc)
- Parameters:
start_pc
- the pc for this line number
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toString
public final java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
- Returns:
- String representation
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copy
public LineNumber copy()
- Returns:
- deep copy of this object
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