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org.eclipse.jdt.core.util
Interface ICodeAttribute

All Superinterfaces:

IClassFileAttribute

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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

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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

int getMaxLocals()

Answer back the max locals value of the code attribute.

Returns:

the max locals value of the code attribute

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getMaxStack

int getMaxStack()

Answer back the max stack value of the code attribute.

Returns:

the max stack value of the code attribute

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getLineNumberAttribute

ILineNumberAttribute getLineNumberAttribute()

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

Returns:

the line number attribute, if it exists, null otherwise

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getLocalVariableAttribute

ILocalVariableAttribute getLocalVariableAttribute()

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

Returns:

the local variable attribute, if it exists, null otherwise

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getExceptionTable

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

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getBytecodes

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

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getCodeLength

long getCodeLength()

Answer back the length of the bytecode contents.

Returns:

the length of the bytecode contents

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getAttributesCount

int getAttributesCount()

Answer back the attribute number of the code attribute.

Returns:

the attribute number of the code attribute

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getAttributes

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

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getExceptionTableLength

int getExceptionTableLength()

Answer back the exception table length of the code attribute.

Returns:

the exception table length of the code attribute

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traverse

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

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