jadx.core.utils

Class InsnUtils

java.lang.Object

jadx.core.utils.InsnUtils

public class InsnUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static @Nullable InsnNode	checkInsnType(@Nullable InsnNode insn, InsnType insnType)
static <T extends InsnArg> boolean	containsVar(java.util.List<T> list, RegisterArg arg)
static boolean	dontGenerateIfNotUsed(InsnNode insn)
static java.lang.String	formatOffset(int offset)
static java.lang.Object	getConstValueByArg(RootNode root, InsnArg arg) Search constant assigned to provided arg.
static @Nullable java.lang.Object	getConstValueByInsn(RootNode root, InsnNode insn) Return constant value from insn or null if not constant.
static @Nullable RegisterArg	getRegFromInsn(java.util.List<RegisterArg> regs, InsnType insnType)
static @Nullable InsnArg	getSingleArg(InsnNode insn)
static @Nullable InsnNode	getWrappedInsn(InsnArg arg)
static java.lang.String	indexToString(java.lang.Object index)
static java.lang.String	insnTypeToString(InsnType type)
static void	replaceInsns(MethodNode mth, java.util.function.Function<InsnNode,InsnNode> replaceFunction)
static void	replaceInsnsInInsn(MethodNode mth, InsnNode insn, java.util.function.Function<InsnNode,InsnNode> replaceFunction)
static @Nullable InsnNode	searchInsn(MethodNode mth, InsnType insnType, java.util.function.Predicate<InsnNode> test) Search instruction of specific type and condition in method.
static @Nullable InsnNode	searchSingleReturnInsn(MethodNode mth, java.util.function.Predicate<InsnNode> test)

Methods inherited from class java.lang.Object

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

Method Detail

formatOffset

public static java.lang.String formatOffset(int offset)

insnTypeToString

public static java.lang.String insnTypeToString(InsnType type)

indexToString

public static java.lang.String indexToString(java.lang.Object index)

getConstValueByArg

public static java.lang.Object getConstValueByArg(RootNode root,
                                                  InsnArg arg)

Search constant assigned to provided arg.

Returns:

LiteralArg, String, ArgType or null

getConstValueByInsn

@Nullable
public static @Nullable java.lang.Object getConstValueByInsn(RootNode root,
                                                                       InsnNode insn)

Return constant value from insn or null if not constant.

Returns:

LiteralArg, String, ArgType or null

searchSingleReturnInsn

@Nullable
public static @Nullable InsnNode searchSingleReturnInsn(MethodNode mth,
                                                                  java.util.function.Predicate<InsnNode> test)

searchInsn

@Nullable
public static @Nullable InsnNode searchInsn(MethodNode mth,
                                                      InsnType insnType,
                                                      java.util.function.Predicate<InsnNode> test)

Search instruction of specific type and condition in method. This method support inlined instructions.

replaceInsns

public static void replaceInsns(MethodNode mth,
                                java.util.function.Function<InsnNode,InsnNode> replaceFunction)

replaceInsnsInInsn

public static void replaceInsnsInInsn(MethodNode mth,
                                      InsnNode insn,
                                      java.util.function.Function<InsnNode,InsnNode> replaceFunction)

getRegFromInsn

@Nullable
public static @Nullable RegisterArg getRegFromInsn(java.util.List<RegisterArg> regs,
                                                             InsnType insnType)

getSingleArg

@Nullable
public static @Nullable InsnArg getSingleArg(InsnNode insn)

checkInsnType

@Nullable
public static @Nullable InsnNode checkInsnType(@Nullable
                                                         @Nullable InsnNode insn,
                                                         InsnType insnType)

getWrappedInsn

@Nullable
public static @Nullable InsnNode getWrappedInsn(InsnArg arg)

dontGenerateIfNotUsed

public static boolean dontGenerateIfNotUsed(InsnNode insn)

containsVar

public static <T extends InsnArg> boolean containsVar(java.util.List<T> list,
                                                      RegisterArg arg)