Package soot.dexpler

Class DexNullIfTransformer

java.lang.Object

soot.Transformer

soot.BodyTransformer

soot.dexpler.DexNullIfTransformer

public class DexNullIfTransformer
extends BodyTransformer

Transformer that swaps if null == 0 goto x with if null == null goto x In dex they are the same thing. If we do not do that, soot might assume that the condition is not met and optimize the wrong branch away.

Author:

Marc Miltenberger

Constructor Summary

Constructors

Constructor	Description
DexNullIfTransformer()

Method Summary

Modifier and Type	Method	Description
boolean	hasModifiedBody()
protected void	internalTransform(Body b, String phaseName, Map<String,String> options)	This method is called to perform the transformation itself.
static DexNullIfTransformer	v()

Methods inherited from class soot.BodyTransformer

transform, transform, transform

Methods inherited from class java.lang.Object

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

Constructor Detail

DexNullIfTransformer

public DexNullIfTransformer()

Method Detail

v

public static DexNullIfTransformer v()

internalTransform

protected void internalTransform(Body b,
                                 String phaseName,
                                 Map<String,String> options)

Description copied from class: BodyTransformer

This method is called to perform the transformation itself. It is declared abstract; subclasses must implement this method by making it the entry point to their actual Body transformation.

Specified by:

internalTransform in class BodyTransformer

Parameters:

b - the body on which to apply the transformation

phaseName - the phasename for this transform; not typically used by implementations.

options - the actual computed options; a combination of default options and Scene specified options.

hasModifiedBody

public boolean hasModifiedBody()