Package javassist.bytecode
Class LineNumberAttribute
- java.lang.Object
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- javassist.bytecode.AttributeInfo
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- javassist.bytecode.LineNumberAttribute
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public class LineNumberAttribute extends AttributeInfo
LineNumberTable_attribute
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
LineNumberAttribute.Pc
Used as a return type oftoNearPc()
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
tag
The name of this attribute"LineNumberTable"
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description AttributeInfo
copy(ConstPool newCp, java.util.Map<java.lang.String,java.lang.String> classnames)
Makes a copy.int
lineNumber(int i)
Returnsline_number_table[i].line_number
.int
startPc(int i)
Returnsline_number_table[i].start_pc
.int
tableLength()
Returnsline_number_table_length
.int
toLineNumber(int pc)
Returns the line number corresponding to the specified bytecode.LineNumberAttribute.Pc
toNearPc(int line)
Returns the index into the code array at which the code for the specified line (or the nearest line after the specified one) begins.int
toStartPc(int line)
Returns the index into the code array at which the code for the specified line begins.-
Methods inherited from class javassist.bytecode.AttributeInfo
get, getConstPool, getName, length, set
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Field Detail
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tag
public static final java.lang.String tag
The name of this attribute"LineNumberTable"
.- See Also:
- Constant Field Values
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Method Detail
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tableLength
public int tableLength()
Returnsline_number_table_length
. This represents the number of entries in the table.
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startPc
public int startPc(int i)
Returnsline_number_table[i].start_pc
. This represents the index into the code array at which the code for a new line in the original source file begins.- Parameters:
i
- the i-th entry.
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lineNumber
public int lineNumber(int i)
Returnsline_number_table[i].line_number
. This represents the corresponding line number in the original source file.- Parameters:
i
- the i-th entry.
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toLineNumber
public int toLineNumber(int pc)
Returns the line number corresponding to the specified bytecode.- Parameters:
pc
- the index into the code array.
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toStartPc
public int toStartPc(int line)
Returns the index into the code array at which the code for the specified line begins.- Parameters:
line
- the line number.- Returns:
- -1 if the specified line is not found.
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toNearPc
public LineNumberAttribute.Pc toNearPc(int line)
Returns the index into the code array at which the code for the specified line (or the nearest line after the specified one) begins.- Parameters:
line
- the line number.- Returns:
- a pair of the index and the line number of the bytecode at that index.
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copy
public AttributeInfo copy(ConstPool newCp, java.util.Map<java.lang.String,java.lang.String> classnames)
Makes a copy.- Overrides:
copy
in classAttributeInfo
- Parameters:
newCp
- the constant pool table used by the new copy.classnames
- should be null.
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