Package org.apache.bcel.classfile
Class LineNumber
- java.lang.Object
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- org.apache.bcel.classfile.LineNumber
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public final class LineNumber extends Object implements 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.- See Also:
LineNumberTable
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Constructor Summary
Constructors Constructor Description LineNumber(int startPc, int lineNumber)
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(DataOutputStream file)
Dump line number/pc pair to file stream in binary format.int
getLineNumber()
int
getStartPC()
void
setLineNumber(int lineNumber)
void
setStartPC(int startPc)
String
toString()
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Constructor Detail
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LineNumber
public LineNumber(LineNumber c)
Initialize from another object.- Parameters:
c
- the object to copy
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LineNumber
public LineNumber(int startPc, int lineNumber)
- Parameters:
startPc
- Program Counter (PC) corresponds tolineNumber
- 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 void dump(DataOutputStream file) throws IOException
Dump line number/pc pair to file stream in binary format.- Parameters:
file
- Output file stream- Throws:
IOException
- if an I/O Exception occurs in writeShort
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getLineNumber
public int getLineNumber()
- Returns:
- Corresponding source line
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getStartPC
public int getStartPC()
- Returns:
- PC in code
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setLineNumber
public void setLineNumber(int lineNumber)
- Parameters:
lineNumber
- the source line number
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setStartPC
public void setStartPC(int startPc)
- Parameters:
startPc
- the pc for this line number
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toString
public String toString()
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copy
public LineNumber copy()
- Returns:
- deep copy of this object
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