org.eclipse.jdt.core.util
Interface ICodeAttribute

All Superinterfaces:

IClassFileAttribute

public interface ICodeAttribute

extends IClassFileAttribute

Description of a code attribute as described in the JVM specifications. This interface may be implemented by clients.

Since:

2.0

Method Summary

IClassFileAttribute[]	getAttributes() Answer back the collection of all attributes of the field info.
int	getAttributesCount() Answer back the attribute number of the code attribute.
byte[]	getBytecodes() Answer back the array of bytes, which represents all the opcodes as described in the JVM specifications.
long	getCodeLength() Answer back the length of the bytecode contents.
IExceptionTableEntry[]	getExceptionTable() Answer back the array of exception entries, if they are present.
int	getExceptionTableLength() Answer back the exception table length of the code attribute.
ILineNumberAttribute	getLineNumberAttribute() Answer back the line number attribute, if it exists, null otherwise.
ILocalVariableAttribute	getLocalVariableAttribute() Answer back the local variable attribute, if it exists, null otherwise.
int	getMaxLocals() Answer back the max locals value of the code attribute.
int	getMaxStack() Answer back the max stack value of the code attribute.
void	traverse(IBytecodeVisitor visitor) Define a Java opcodes walker.

Methods inherited from interface org.eclipse.jdt.core.util.IClassFileAttribute

getAttributeLength, getAttributeName, getAttributeNameIndex

Method Detail

getMaxLocals

public int getMaxLocals()

Answer back the max locals value of the code attribute.

Returns:

the max locals value of the code attribute

getMaxStack

public int getMaxStack()

Answer back the max stack value of the code attribute.

Returns:

the max stack value of the code attribute

getLineNumberAttribute

public ILineNumberAttribute getLineNumberAttribute()

Answer back the line number attribute, if it exists, null otherwise.

Returns:

the line number attribute, if it exists, null otherwise

getLocalVariableAttribute

public ILocalVariableAttribute getLocalVariableAttribute()

Answer back the local variable attribute, if it exists, null otherwise.

Returns:

the local variable attribute, if it exists, null otherwise

getExceptionTable

public IExceptionTableEntry[] getExceptionTable()

Answer back the array of exception entries, if they are present. An empty array otherwise.

Returns:

the array of exception entries, if they are present. An empty array otherwise

getBytecodes

public byte[] getBytecodes()

Answer back the array of bytes, which represents all the opcodes as described in the JVM specifications.

Returns:

the array of bytes, which represents all the opcodes as described in the JVM specifications

getCodeLength

public long getCodeLength()

Answer back the length of the bytecode contents.

Returns:

the length of the bytecode contents

getAttributesCount

public int getAttributesCount()

Answer back the attribute number of the code attribute.

Returns:

the attribute number of the code attribute

getAttributes

public IClassFileAttribute[] getAttributes()

Answer back the collection of all attributes of the field info. It includes the LineNumberAttribute and the LocalVariableTableAttribute. Returns an empty collection if none.

Returns:

the collection of all attributes of the field info. It includes the LineNumberAttribute and the LocalVariableTableAttribute. Returns an empty collection if none

getExceptionTableLength

public int getExceptionTableLength()

Answer back the exception table length of the code attribute.

Returns:

the exception table length of the code attribute

traverse

public void traverse(IBytecodeVisitor visitor)
              throws ClassFormatException

Define a Java opcodes walker. All actions are defined in the visitor.

Parameters:

visitor - The visitor to use to walk the opcodes.

Throws:

ClassFormatException - Exception thrown if the opcodes contain invalid bytes