Package jadx.core.dex.visitors.ssa

Class SSATransform

java.lang.Object

jadx.core.dex.visitors.AbstractVisitor

jadx.core.dex.visitors.ssa.SSATransform

All Implemented Interfaces:

IDexTreeVisitor

public class SSATransform
extends AbstractVisitor

Constructor Summary

Constructors

Constructor	Description
SSATransform()

Method Summary

Modifier and Type	Method	Description
static PhiInsn	addPhi(MethodNode mth, BlockNode block, int regNum)
private static void	bindPhiArg(RenameState state, PhiInsn phiInsn)
private static void	fixLastAssignInTry(MethodNode mth)	Fix last try/catch assign instruction
private static void	fixPhiInTryCatch(MethodNode mth, PhiInsn phi, ExcHandlerAttr handlerAttr)
private static boolean	fixPhiWithSameArgs(MethodNode mth, BlockNode block, PhiInsn phi)
private static boolean	fixUselessPhi(MethodNode mth)
private static void	hidePhiInsns(MethodNode mth)
private static void	initPhiInEnterBlock(RenameState initState)
private static boolean	inlinePhiInsn(MethodNode mth, BlockNode block, PhiInsn phi, RegisterArg inlineArg)
private static boolean	isSameArgs(PhiInsn phi)
private static SSAVar	isSameMove(PhiInsn phi)
private static void	markOneArgAsThis(RegisterArg arg)
private static void	markThisArgs(RegisterArg thisArg)
private static void	placePhi(MethodNode mth, int regNum, LiveVarAnalysis la)
private static void	process(MethodNode mth)
private static boolean	removeBlockerInsns(MethodNode mth)
private static boolean	removePhiList(MethodNode mth, List<PhiInsn> insnToRemove)
private static void	removeUnusedInvokeResults(MethodNode mth)
private static void	renameVariables(MethodNode mth)
private static void	renameVarsInBlock(MethodNode mth, RenameState state)
private static boolean	replacePhiWithMove(MethodNode mth, BlockNode block, PhiInsn phi, RegisterArg arg)
private static boolean	shouldSkipInsnResult(MethodNode mth, InsnNode insn, ExcHandlerAttr handlerAttr)
private static void	tryToFixUselessPhi(MethodNode mth)
void	visit(MethodNode mth)	Visit method

Methods inherited from class jadx.core.dex.visitors.AbstractVisitor

getName, init, toString, visit

Methods inherited from class java.lang.Object

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

Constructor Details

SSATransform

public SSATransform()

Method Details

visit

public void visit(MethodNode mth)
           throws JadxException

Description copied from interface: IDexTreeVisitor

Visit method

Specified by:

visit in interface IDexTreeVisitor

Overrides:

visit in class AbstractVisitor

Throws:

JadxException

process

private static void process(MethodNode mth)

placePhi

private static void placePhi(MethodNode mth,
 int regNum,
 LiveVarAnalysis la)

addPhi

public static PhiInsn addPhi(MethodNode mth,
 BlockNode block,
 int regNum)

renameVariables

private static void renameVariables(MethodNode mth)

initPhiInEnterBlock

private static void initPhiInEnterBlock(RenameState initState)

renameVarsInBlock

private static void renameVarsInBlock(MethodNode mth,
 RenameState state)

bindPhiArg

private static void bindPhiArg(RenameState state,
 PhiInsn phiInsn)

fixLastAssignInTry

private static void fixLastAssignInTry(MethodNode mth)

Fix last try/catch assign instruction

fixPhiInTryCatch

private static void fixPhiInTryCatch(MethodNode mth,
 PhiInsn phi,
 ExcHandlerAttr handlerAttr)

shouldSkipInsnResult

private static boolean shouldSkipInsnResult(MethodNode mth,
 InsnNode insn,
 ExcHandlerAttr handlerAttr)

removeBlockerInsns

private static boolean removeBlockerInsns(MethodNode mth)

tryToFixUselessPhi

private static void tryToFixUselessPhi(MethodNode mth)

fixUselessPhi

private static boolean fixUselessPhi(MethodNode mth)

fixPhiWithSameArgs

private static boolean fixPhiWithSameArgs(MethodNode mth,
 BlockNode block,
 PhiInsn phi)

isSameArgs

private static boolean isSameArgs(PhiInsn phi)

isSameMove

private static SSAVar isSameMove(PhiInsn phi)

removePhiList

private static boolean removePhiList(MethodNode mth,
 List<PhiInsn> insnToRemove)

replacePhiWithMove

private static boolean replacePhiWithMove(MethodNode mth,
 BlockNode block,
 PhiInsn phi,
 RegisterArg arg)

inlinePhiInsn

private static boolean inlinePhiInsn(MethodNode mth,
 BlockNode block,
 PhiInsn phi,
 RegisterArg inlineArg)

markThisArgs

private static void markThisArgs(RegisterArg thisArg)

markOneArgAsThis

private static void markOneArgAsThis(RegisterArg arg)

hidePhiInsns

private static void hidePhiInsns(MethodNode mth)

removeUnusedInvokeResults

private static void removeUnusedInvokeResults(MethodNode mth)