Class LineNumberTableWriter
java.lang.Object
com.ibm.wala.shrike.shrikeCT.ClassWriter.Element
com.ibm.wala.shrike.shrikeCT.LineNumberTableWriter
This class helps emit LineNumberTable attributes.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionint
copyInto
(byte[] buf, int offset) Copy the bytes into 'buf' at offset 'offset'.int
getSize()
static int[]
makeRawTable
(int[] newLineMap) void
setRawTable
(int[] table) Set the raw table entries.
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Constructor Details
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LineNumberTableWriter
Build an empty LineNumberTable.- Throws:
IllegalArgumentException
- if w is null
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Method Details
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setRawTable
public void setRawTable(int[] table) Set the raw table entries. Consider calling LineNumberTableWriter.makeRawTable to build the raw entries.- Parameters:
table
- a flattened sequence of (startPC, lineNumber) pairs
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getSize
public int getSize()- Specified by:
getSize
in classClassWriter.Element
- Returns:
- the number of bytes that will be generated.
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copyInto
Description copied from class:ClassWriter.Element
Copy the bytes into 'buf' at offset 'offset'.- Specified by:
copyInto
in classClassWriter.Element
- Returns:
- the number of bytes copies, which must be equal to getSize()
- Throws:
IllegalArgumentException
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makeRawTable
- Parameters:
newLineMap
- an array indexed by bytecode offset, mapping each bytecode offset to its line number (or 0 if there is no line or it's not known)- Returns:
- the line numbers in "raw" format, a flattened sequence of (startPC, lineNumber) pairs
- Throws:
IllegalArgumentException
- if newLineMap == null
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