Package org.apache.commons.compress.harmony.unpack200.bytecode

Class CodeAttribute

java.lang.Object

org.apache.commons.compress.harmony.unpack200.bytecode.ClassFileEntry

org.apache.commons.compress.harmony.unpack200.bytecode.Attribute

org.apache.commons.compress.harmony.unpack200.bytecode.BCIRenumberedAttribute

org.apache.commons.compress.harmony.unpack200.bytecode.CodeAttribute

public class CodeAttribute
extends BCIRenumberedAttribute

Field Summary

Fields

Modifier and Type	Field	Description
List<Attribute>	attributes
List<Integer>	byteCodeOffsets
List<ByteCode>	byteCodes
int	codeLength
List<ExceptionTableEntry>	exceptionTable
int	maxLocals
int	maxStack

Fields inherited from class org.apache.commons.compress.harmony.unpack200.bytecode.BCIRenumberedAttribute

renumbered

Fields inherited from class org.apache.commons.compress.harmony.unpack200.bytecode.ClassFileEntry

NONE

Constructor Summary

Constructors

Constructor	Description
CodeAttribute(int maxStack, int maxLocals, byte[] codePacked, Segment segment, OperandManager operandManager, List<ExceptionTableEntry> exceptionTable)

Method Summary

Modifier and Type	Method	Description
void	addAttribute(Attribute attribute)
protected int	getLength()	Gets the length.
protected ClassFileEntry[]	getNestedClassFileEntries()	Returns an empty array.
protected int[]	getStartPCs()	Gets the array of indices for the start of line numbers.
void	renumber(List<Integer> byteCodeOffsets)	In Pack200, line number tables are BCI renumbered.
protected void	resolve(ClassConstantPool pool)	Allows the constant pool entries to resolve their nested entries.
static void	setAttributeName(CPUTF8 attributeName)
String	toString()
protected void	writeBody(DataOutputStream dos)	Writes this body to the given output stream.

Methods inherited from class org.apache.commons.compress.harmony.unpack200.bytecode.BCIRenumberedAttribute

hasBCIRenumbering

Methods inherited from class org.apache.commons.compress.harmony.unpack200.bytecode.Attribute

doWrite, equals, getAttributeName, getLengthIncludingHeader, hashCode, isSourceFileAttribute

Methods inherited from class org.apache.commons.compress.harmony.unpack200.bytecode.ClassFileEntry

objectHashCode, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

attributes

public List<Attribute> attributes

byteCodeOffsets

public List<Integer> byteCodeOffsets

byteCodes

public List<ByteCode> byteCodes

codeLength

public int codeLength

exceptionTable

public List<ExceptionTableEntry> exceptionTable

maxLocals

public int maxLocals

maxStack

public int maxStack

Constructor Details

CodeAttribute

public CodeAttribute(int maxStack,
 int maxLocals,
 byte[] codePacked,
 Segment segment,
 OperandManager operandManager,
 List<ExceptionTableEntry> exceptionTable)
              throws Pack200Exception

Throws:

Pack200Exception

Method Details

setAttributeName

public static void setAttributeName(CPUTF8 attributeName)

addAttribute

public void addAttribute(Attribute attribute)

getLength

protected int getLength()

Description copied from class: Attribute

Gets the length.

Specified by:

getLength in class BCIRenumberedAttribute

Returns:

the length.

getNestedClassFileEntries

protected ClassFileEntry[] getNestedClassFileEntries()

Description copied from class: ClassFileEntry

Returns an empty array.

Overrides:

getNestedClassFileEntries in class Attribute

Returns:

an empty array.

getStartPCs

protected int[] getStartPCs()

Description copied from class: BCIRenumberedAttribute

Gets the array of indices for the start of line numbers.

Specified by:

getStartPCs in class BCIRenumberedAttribute

Returns:

the array of indices for the start of line numbers.

renumber

public void renumber(List<Integer> byteCodeOffsets)

Description copied from class: BCIRenumberedAttribute

In Pack200, line number tables are BCI renumbered. This method takes the byteCodeOffsets (which is a List of Integers specifying the offset in the byte code array of each instruction) and updates the start_pcs so that it points to the instruction index itself, not the BCI renumbering of the instruction.

Overrides:

renumber in class BCIRenumberedAttribute

Parameters:

byteCodeOffsets - List of Integer offsets of the byte code array.

resolve

protected void resolve(ClassConstantPool pool)

Description copied from class: ClassFileEntry

Allows the constant pool entries to resolve their nested entries.

Overrides:

resolve in class Attribute

Parameters:

pool - The class constant pool.

toString

public String toString()

Specified by:

toString in class BCIRenumberedAttribute

writeBody

protected void writeBody(DataOutputStream dos)
                  throws IOException

Description copied from class: Attribute

Writes this body to the given output stream.

Specified by:

writeBody in class BCIRenumberedAttribute

Parameters:

dos - the output stream.

Throws:

IOException - if an I/O error occurs.