Uses of Class
soot.Transformer

Packages that use Transformer

Package	Description
soot	Base Soot classes, shared by different intermediate representations.
soot.asm
soot.baf.toolkits.base	A toolkit to optimize the Baf IR.
soot.dexpler
soot.grimp.toolkits.base	A toolkit to optimize the Grimp IR.
soot.javaToJimple.toolkits
soot.jbco.bafTransformations
soot.jbco.jimpleTransformations
soot.jimple.paddle
soot.jimple.spark
soot.jimple.spark.fieldrw
soot.jimple.spark.ondemand.pautil
soot.jimple.toolkits.annotation	A toolkit to annotate classfiles with array and null bounds check information.
soot.jimple.toolkits.annotation.arraycheck	Classes that carry out an analysis to determine whether or not array bounds checks are necessary.
soot.jimple.toolkits.annotation.callgraph
soot.jimple.toolkits.annotation.defs
soot.jimple.toolkits.annotation.fields
soot.jimple.toolkits.annotation.liveness
soot.jimple.toolkits.annotation.logic
soot.jimple.toolkits.annotation.methods
soot.jimple.toolkits.annotation.nullcheck	Classes that carry out an analysis to determine whether or not null pointer checks are necessary.
soot.jimple.toolkits.annotation.parity
soot.jimple.toolkits.annotation.profiling
soot.jimple.toolkits.annotation.purity
soot.jimple.toolkits.annotation.qualifiers
soot.jimple.toolkits.annotation.tags	Tags and aggregators to store and combine information about array bounds and null pointer checks.
soot.jimple.toolkits.base	A toolkit to optimize the Jimple IR.
soot.jimple.toolkits.callgraph
soot.jimple.toolkits.graph	A set of utility classes for program transformation and optimizations.
soot.jimple.toolkits.invoke	A toolkit to deal with Jimple and invoke statements.
soot.jimple.toolkits.pointer
soot.jimple.toolkits.reflection
soot.jimple.toolkits.scalar	A toolkit for scalar optimization of Jimple.
soot.jimple.toolkits.scalar.pre	Particial redundency elimination.
soot.jimple.toolkits.thread.mhp
soot.jimple.toolkits.thread.synchronization
soot.jimple.toolkits.typing	Implements a typing algorithm for Jimple.
soot.plugins
soot.shimple	Public classes for the SSA Shimple intermediate representation.
soot.shimple.toolkits.scalar	Some analyses based on Shimple.
soot.tagkit	Classes supporting classfile annotation in Soot.
soot.toDex
soot.toolkits.exceptions
soot.toolkits.scalar	A number of scalar optimizations, and the flow analysis framework.
soot.tools	Various extensions to Soot that can be executed instead of soot.Main.

Uses of Transformer in soot

Subclasses of Transformer in soot

Modifier and Type	Class and Description
class	BodyTransformer An abstract class which acts on a Body.
class	SceneTransformer An abstract class which acts on the whole Scene.

Methods in soot that return Transformer

Modifier and Type	Method and Description
Transformer	Transform.getTransformer()

Constructors in soot with parameters of type Transformer

Constructor and Description
Transform(String phaseName, Transformer t)

Uses of Transformer in soot.asm

Subclasses of Transformer in soot.asm

Modifier and Type	Class and Description
class	CastAndReturnInliner Transformers that inlines returns that cast and return an object.

Uses of Transformer in soot.baf.toolkits.base

Subclasses of Transformer in soot.baf.toolkits.base

Modifier and Type	Class and Description
class	LoadStoreOptimizer
class	PeepholeOptimizer Driver class to run peepholes on the Baf IR.
class	StoreChainOptimizer Due to local packing, we may have chains of assignments to the same local.

Uses of Transformer in soot.dexpler

Subclasses of Transformer in soot.dexpler

Modifier and Type	Class and Description
class	AbstractNullTransformer Abstract base class for DexNullTransformer and DexIfTransformer.
class	DexArrayInitReducer Transformer that simplifies array initializations.
class	DexIfTransformer BodyTransformer to find and change definition of locals used within an if which contains a condition involving two locals ( and not only one local as in DexNullTransformer).
class	DexJumpChainShortener Transformer for reducing goto chains.
class	DexNullArrayRefTransformer If Dalvik bytecode contains statements using a base array which is always null, Soot's fast type resolver will fail with the following exception: "Exception in thread " main" java.lang.RuntimeException: Base of array reference is not an array!" Those statements are replaced by a throw statement (this is what will happen in practice if the code is executed).
class	DexNullInstanceofTransformer Transformer that swaps a = 0 instanceof _class_; with a = false
class	DexNullThrowTransformer Some Android applications throw null references, e.g., a = null; throw a; This will make unit graph construction fail as no targets of the throw statement can be found.
class	DexNullTransformer BodyTransformer to find and change IntConstant(0) to NullConstant where locals are used as objects.
class	DexNumTransformer BodyTransformer to find and change initialization type of Jimple variables.
class	DexRefsChecker
class	DexReturnInliner BodyTransformer to inline jumps to return statements.
class	DexReturnPacker This transformer is the inverse of the DexReturnInliner.
class	DexReturnValuePropagator
class	DexTransformer
class	DexTrapStackFixer Transformer to ensure that all exception handlers pull the exception object.
class	TrapMinimizer Transformer that splits traps for Dalvik whenever a statements within the trap cannot reach the trap's handler.

Uses of Transformer in soot.grimp.toolkits.base

Subclasses of Transformer in soot.grimp.toolkits.base

Modifier and Type	Class and Description
class	ConstructorFolder

Uses of Transformer in soot.javaToJimple.toolkits

Subclasses of Transformer in soot.javaToJimple.toolkits

Modifier and Type	Class and Description
class	CondTransformer

Uses of Transformer in soot.jbco.bafTransformations

Subclasses of Transformer in soot.jbco.bafTransformations

Modifier and Type	Class and Description
class	AddJSRs
class	BAFCounter
class	BafLineNumberer
class	BAFPrintout
class	ConstructorConfuser
class	Counter
class	FindDuplicateSequences
class	FixUndefinedLocals
class	IfNullToTryCatch
class	IndirectIfJumpsToCaughtGotos
class	Jimple2BafLocalBuilder
class	LocalsToBitField
class	MoveLoadsAboveIfs
class	RemoveRedundantPushStores
class	TryCatchCombiner
class	UpdateConstantsToFields
class	WrapSwitchesInTrys

Uses of Transformer in soot.jbco.jimpleTransformations

Subclasses of Transformer in soot.jbco.jimpleTransformations

Modifier and Type	Class and Description
class	AddSwitches
class	ArithmeticTransformer
class	BuildIntermediateAppClasses
class	ClassRenamer SceneTransformer that renames class names as well as packages.
class	CollectConstants
class	CollectJimpleLocals
class	FieldRenamer
class	GotoInstrumenter Changes the sequence of statements in which they appear in methods, preserving the sequence they are executed using goto commands and labels.
class	LibraryMethodWrappersBuilder Creates methods that "wraps" library method calls.
class	MethodRenamer Creates new method names using names of fields or generates randomly.

Uses of Transformer in soot.jimple.paddle

Subclasses of Transformer in soot.jimple.paddle

Modifier and Type	Class and Description
class	IPaddleTransformer Soot interface to the PaddleTransformer.
class	PaddleHook Loads the Paddle plugin.

Uses of Transformer in soot.jimple.spark

Subclasses of Transformer in soot.jimple.spark

Modifier and Type	Class and Description
class	SparkTransformer Main entry point for Spark.

Uses of Transformer in soot.jimple.spark.fieldrw

Subclasses of Transformer in soot.jimple.spark.fieldrw

Modifier and Type	Class and Description
class	FieldReadTagAggregator
class	FieldTagAggregator
class	FieldTagger
class	FieldWriteTagAggregator

Uses of Transformer in soot.jimple.spark.ondemand.pautil

Subclasses of Transformer in soot.jimple.spark.ondemand.pautil

Modifier and Type	Class and Description
class	DumpNumAppReachableMethods

Uses of Transformer in soot.jimple.toolkits.annotation

Subclasses of Transformer in soot.jimple.toolkits.annotation

Modifier and Type	Class and Description
class	AvailExprTagger A body transformer that records avail expression information in tags.
class	DominatorsTagger A body transformer that records avail expression information in tags.
class	LineNumberAdder

Uses of Transformer in soot.jimple.toolkits.annotation.arraycheck

Subclasses of Transformer in soot.jimple.toolkits.annotation.arraycheck

Modifier and Type	Class and Description
class	ArrayBoundsChecker
class	RectangularArrayFinder Interprocedural analysis to identify rectangular multi-dimension array locals.

Uses of Transformer in soot.jimple.toolkits.annotation.callgraph

Subclasses of Transformer in soot.jimple.toolkits.annotation.callgraph

Modifier and Type	Class and Description
class	CallGraphGrapher A scene transformer that creates a graphical callgraph.
class	CallGraphTagger

Uses of Transformer in soot.jimple.toolkits.annotation.defs

Subclasses of Transformer in soot.jimple.toolkits.annotation.defs

Modifier and Type	Class and Description
class	ReachingDefsTagger

Uses of Transformer in soot.jimple.toolkits.annotation.fields

Subclasses of Transformer in soot.jimple.toolkits.annotation.fields

Modifier and Type	Class and Description
class	UnreachableFieldsTagger A scene transformer that adds tags to unused fields.

Uses of Transformer in soot.jimple.toolkits.annotation.liveness

Subclasses of Transformer in soot.jimple.toolkits.annotation.liveness

Modifier and Type	Class and Description
class	LiveVarsTagger

Uses of Transformer in soot.jimple.toolkits.annotation.logic

Subclasses of Transformer in soot.jimple.toolkits.annotation.logic

Modifier and Type	Class and Description
class	LoopFinder
class	LoopInvariantFinder

Uses of Transformer in soot.jimple.toolkits.annotation.methods

Subclasses of Transformer in soot.jimple.toolkits.annotation.methods

Modifier and Type	Class and Description
class	UnreachableMethodsTagger A scene transformer that adds tags to unused methods.

Uses of Transformer in soot.jimple.toolkits.annotation.nullcheck

Subclasses of Transformer in soot.jimple.toolkits.annotation.nullcheck

Modifier and Type	Class and Description
class	NullCheckEliminator
class	NullPointerChecker
class	NullPointerColorer

Uses of Transformer in soot.jimple.toolkits.annotation.parity

Subclasses of Transformer in soot.jimple.toolkits.annotation.parity

Modifier and Type	Class and Description
class	ParityTagger A body transformer that records parity analysis information in tags.

Uses of Transformer in soot.jimple.toolkits.annotation.profiling

Subclasses of Transformer in soot.jimple.toolkits.annotation.profiling

Modifier and Type	Class and Description
class	ProfilingGenerator

Uses of Transformer in soot.jimple.toolkits.annotation.purity

Subclasses of Transformer in soot.jimple.toolkits.annotation.purity

Modifier and Type	Class and Description
class	PurityAnalysis Purity analysis phase.

Uses of Transformer in soot.jimple.toolkits.annotation.qualifiers

Subclasses of Transformer in soot.jimple.toolkits.annotation.qualifiers

Modifier and Type	Class and Description
class	TightestQualifiersTagger a scene transformer that add tags to indicate the tightest qualifies possible for fields and methods (ie: private, protected or public)

Uses of Transformer in soot.jimple.toolkits.annotation.tags

Subclasses of Transformer in soot.jimple.toolkits.annotation.tags

Modifier and Type	Class and Description
class	ArrayNullTagAggregator The aggregator for ArrayNullCheckAttribute.

Uses of Transformer in soot.jimple.toolkits.base

Subclasses of Transformer in soot.jimple.toolkits.base

Modifier and Type	Class and Description
class	Aggregator
class	ExceptionChecker
class	JimpleConstructorFolder
class	PartialConstructorFolder
class	RenameDuplicatedClasses A scene transformer that renames the duplicated class names.
class	ThisInliner

Uses of Transformer in soot.jimple.toolkits.callgraph

Subclasses of Transformer in soot.jimple.toolkits.callgraph

Modifier and Type	Class and Description
class	CHATransformer Builds an invoke graph using Class Hierarchy Analysis.
class	ClinitElimTransformer
class	UnreachableMethodTransformer

Uses of Transformer in soot.jimple.toolkits.graph

Subclasses of Transformer in soot.jimple.toolkits.graph

Modifier and Type	Class and Description
class	CriticalEdgeRemover removes all critical edges. A critical edge is an edge from Block A to block B, if B has more than one predecessor and A has more the one successor. As an example: If we wanted a computation to be only on the path A->B this computation must be directly on the edge.
class	LoopConditionUnroller "unrolls" the condition of while/for loops. before the first test of a while-loop, we can't be sure, if the body will be taken or not, and several optimizations (especially LCM) can't be done.

Uses of Transformer in soot.jimple.toolkits.invoke

Subclasses of Transformer in soot.jimple.toolkits.invoke

Modifier and Type	Class and Description
class	StaticInliner Uses the Scene's currently-active InvokeGraph to inline monomorphic call sites.
class	StaticMethodBinder Uses the Scene's currently-active InvokeGraph to statically bind monomorphic call sites.

Uses of Transformer in soot.jimple.toolkits.pointer

Subclasses of Transformer in soot.jimple.toolkits.pointer

Modifier and Type	Class and Description
class	CastCheckEliminatorDumper A body transformer that simply calls the CastCheckEliminator analysis.
class	DependenceTagAggregator
class	FieldRWTagger
class	ParameterAliasTagger Adds colour tags to indicate potential aliasing between method parameters.
class	SideEffectTagger

Uses of Transformer in soot.jimple.toolkits.reflection

Subclasses of Transformer in soot.jimple.toolkits.reflection

Modifier and Type	Class and Description
class	ConstantInvokeMethodBaseTransformer This class creates a local for each string constant that is used as a base object to a reflective Method.invoke call.
class	ReflectiveCallsInliner

Uses of Transformer in soot.jimple.toolkits.scalar

Subclasses of Transformer in soot.jimple.toolkits.scalar

Modifier and Type	Class and Description
class	AbstractStaticnessCorrector Abstract base class for all transformers that fix wrong code that declares something as static, but uses it like an instance or vice versa.
class	CommonSubexpressionEliminator Runs an available expressions analysis on a body, then eliminates common subexpressions.
class	ConditionalBranchFolder
class	ConstantCastEliminator Transformer for removing unnecessary casts on primitive values.
class	ConstantPropagatorAndFolder Does constant propagation and folding.
class	CopyPropagator
class	DeadAssignmentEliminator
class	EmptySwitchEliminator Removes empty switch statements which always take the default action from a method body, i.e.
class	FieldStaticnessCorrector Transformer that checks whether a static field is used like an instance field.
class	IdentityCastEliminator Transformer that removes unnecessary identity casts such as $i3 = (int) $i3 when $i3 is already of type "int".
class	IdentityOperationEliminator Transformer that eliminates unnecessary logic operations such as $z0 = a | 0 which can more easily be repesented as $z0 = a
class	LocalNameStandardizer
class	MethodStaticnessCorrector Transformer that checks whether an instance method is used like a static method, and can easily be made static, i.e., does not reference any field or method in the "this" object.
class	NopEliminator
class	UnconditionalBranchFolder
class	UnreachableCodeEliminator

Uses of Transformer in soot.jimple.toolkits.scalar.pre

Subclasses of Transformer in soot.jimple.toolkits.scalar.pre

Modifier and Type	Class and Description
class	BusyCodeMotion Performs a partial redundancy elimination (= code motion).
class	LazyCodeMotion Performs a partial redundancy elimination (= code motion).

Uses of Transformer in soot.jimple.toolkits.thread.mhp

Subclasses of Transformer in soot.jimple.toolkits.thread.mhp

Modifier and Type	Class and Description
class	MhpTransformer

Uses of Transformer in soot.jimple.toolkits.thread.synchronization

Subclasses of Transformer in soot.jimple.toolkits.thread.synchronization

Modifier and Type	Class and Description
class	LockAllocationBodyTransformer
class	LockAllocator

Uses of Transformer in soot.jimple.toolkits.typing

Subclasses of Transformer in soot.jimple.toolkits.typing

Modifier and Type	Class and Description
class	TypeAssigner This transformer assigns types to local variables.

Uses of Transformer in soot.plugins

Methods in soot.plugins that return Transformer

Modifier and Type	Method and Description
Transformer	SootPhasePlugin.getTransformer() Creates a new transformer instance (either SceneTransformer or BodyTransformer).

Uses of Transformer in soot.shimple

Subclasses of Transformer in soot.shimple

Modifier and Type	Class and Description
class	ShimpleTransformer Traverses all methods, in all classes from the Scene, and transforms them to Shimple.

Uses of Transformer in soot.shimple.toolkits.scalar

Subclasses of Transformer in soot.shimple.toolkits.scalar

Modifier and Type	Class and Description
class	SConstantPropagatorAndFolder A powerful constant propagator and folder based on an algorithm sketched by Cytron et al that takes conditional control flow into account.

Uses of Transformer in soot.tagkit

Subclasses of Transformer in soot.tagkit

Modifier and Type	Class and Description
class	FirstTagAggregator A tag aggregator that associates a tag with the first instruction that is tagged with it.
class	ImportantTagAggregator A tag aggregator that associates a tag with the most important instruction that is tagged with it.
class	InnerClassTagAggregator The aggregator for LineNumberTable attribute.
class	LineNumberTagAggregator The aggregator for LineNumberTable attribute.
class	TagAggregator Interface to aggregate tags of units.

Uses of Transformer in soot.toDex

Subclasses of Transformer in soot.toDex

Modifier and Type	Class and Description
class	FastDexTrapTightener Tries may not start or end at units which have no corresponding Dalvik instructions such as IdentityStmts.
class	SynchronizedMethodTransformer The Dalvik VM requires synchronized methods to explicitly enter a monitor and leave it in a finally block again after execution.
class	TrapSplitter Transformer that splits nested traps for Dalvik which does not support hierarchies of traps.

Uses of Transformer in soot.toolkits.exceptions

Subclasses of Transformer in soot.toolkits.exceptions

Modifier and Type	Class and Description
class	DuplicateCatchAllTrapRemover Some compilers generate duplicate traps: Exception table: from to target type 9 30 37 Class java/lang/Throwable 9 30 44 any 37 46 44 any The semantics is as follows: try { // block } catch { // handler 1 } finally { // handler 2 } In this case, the first trap covers the block and jumps to handler 1.
class	TrapTightener A BodyTransformer that shrinks the protected area covered by each Trap in the Body so that it begins at the first of the Body's Units which might throw an exception caught by the Trap and ends just after the last Unit which might throw an exception caught by the Trap.
class	TrapTransformer Common abstract base class for all body transformers that change the trap list to, e.g., minimize the trap list

Uses of Transformer in soot.toolkits.scalar

Subclasses of Transformer in soot.toolkits.scalar

Modifier and Type	Class and Description
class	ConstantInitializerToTagTransformer This is the reverse operation of the ConstantValueToInitializerTransformer.
class	ConstantValueToInitializerTransformer Transformer that creates a static initializer which sets constant values into final static fields to emulate the initializations that are done through the constant table in CLASS and DEX code, but that are not supported by Jimple.
class	LocalPacker A BodyTransformer that attemps to minimize the number of local variables used in Body by 'reusing' them when possible.
class	LocalSplitter A BodyTransformer that attemps to indentify and separate uses of a local variable that are independent of each other.
class	UnusedLocalEliminator A BodyTransformer that removes all unused local variables from a given Body.

Uses of Transformer in soot.tools

Subclasses of Transformer in soot.tools

Modifier and Type	Class and Description
class	BadFields
class	CFGViewer A utility class for generating dot graph file for a control flow graph