Package org.aspectj.org.eclipse.jdt.internal.core.util

Class CodeAttribute

java.lang.Object

org.aspectj.org.eclipse.jdt.internal.core.util.ClassFileStruct

org.aspectj.org.eclipse.jdt.internal.core.util.ClassFileAttribute

org.aspectj.org.eclipse.jdt.internal.core.util.CodeAttribute

All Implemented Interfaces:

IClassFileAttribute, ICodeAttribute

public class CodeAttribute
extends ClassFileAttribute
implements ICodeAttribute

Default implementation of ICodeAttribute.

Field Summary

Fields inherited from class org.aspectj.org.eclipse.jdt.internal.core.util.ClassFileAttribute

NO_ATTRIBUTES

Method Summary

Modifier and Type	Method	Description
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 class org.aspectj.org.eclipse.jdt.internal.core.util.ClassFileAttribute

getAttributeLength, getAttributeName, getAttributeNameIndex

Methods inherited from class org.aspectj.org.eclipse.jdt.internal.core.util.ClassFileStruct

doubleAt, floatAt, i1At, i2At, i4At, i8At, u1At, u2At, u4At, utf8At

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

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

getAttributeLength, getAttributeName, getAttributeNameIndex

Method Details

getAttributes

public IClassFileAttribute[] getAttributes()

Description copied from interface: ICodeAttribute

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

Specified by:

getAttributes in interface ICodeAttribute

Returns:

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

See Also:

• ICodeAttribute.getAttributes()

getAttributesCount

public int getAttributesCount()

Description copied from interface: ICodeAttribute

Answer back the attribute number of the code attribute.

Specified by:

getAttributesCount in interface ICodeAttribute

Returns:

the attribute number of the code attribute

See Also:

• ICodeAttribute.getAttributesCount()

getBytecodes

public byte[] getBytecodes()

Description copied from interface: ICodeAttribute

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

Specified by:

getBytecodes in interface ICodeAttribute

Returns:

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

See Also:

• ICodeAttribute.getBytecodes()

getCodeLength

public long getCodeLength()

Description copied from interface: ICodeAttribute

Answer back the length of the bytecode contents.

Specified by:

getCodeLength in interface ICodeAttribute

Returns:

the length of the bytecode contents

See Also:

• ICodeAttribute.getCodeLength()

getExceptionTable

public IExceptionTableEntry[] getExceptionTable()

Description copied from interface: ICodeAttribute

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

Specified by:

getExceptionTable in interface ICodeAttribute

Returns:

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

See Also:

• ICodeAttribute.getExceptionTable()

getExceptionTableLength

public int getExceptionTableLength()

Description copied from interface: ICodeAttribute

Answer back the exception table length of the code attribute.

Specified by:

getExceptionTableLength in interface ICodeAttribute

Returns:

the exception table length of the code attribute

See Also:

• ICodeAttribute.getExceptionTableLength()

getLineNumberAttribute

public ILineNumberAttribute getLineNumberAttribute()

Description copied from interface: ICodeAttribute

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

Specified by:

getLineNumberAttribute in interface ICodeAttribute

Returns:

the line number attribute, if it exists, null otherwise

See Also:

• ICodeAttribute.getLineNumberAttribute()

getLocalVariableAttribute

public ILocalVariableAttribute getLocalVariableAttribute()

Description copied from interface: ICodeAttribute

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

Specified by:

getLocalVariableAttribute in interface ICodeAttribute

Returns:

the local variable attribute, if it exists, null otherwise

See Also:

• ICodeAttribute.getLocalVariableAttribute()

getMaxLocals

public int getMaxLocals()

Description copied from interface: ICodeAttribute

Answer back the max locals value of the code attribute.

Specified by:

getMaxLocals in interface ICodeAttribute

Returns:

the max locals value of the code attribute

See Also:

• ICodeAttribute.getMaxLocals()

getMaxStack

public int getMaxStack()

Description copied from interface: ICodeAttribute

Answer back the max stack value of the code attribute.

Specified by:

getMaxStack in interface ICodeAttribute

Returns:

the max stack value of the code attribute

See Also:

• ICodeAttribute.getMaxStack()

traverse

public void traverse(IBytecodeVisitor visitor)
              throws ClassFormatException

Description copied from interface: ICodeAttribute

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

Specified by:

traverse in interface ICodeAttribute

Parameters:

visitor - The visitor to use to walk the opcodes.

Throws:

ClassFormatException - Exception thrown if the opcodes contain invalid bytes

See Also:

• ICodeAttribute.traverse(IBytecodeVisitor visitor)