refactor: remove cloning library dependency

jadx-core/build.gradle

@@ -7,7 +7,6 @@ dependencies {
 
 	compile 'org.ow2.asm:asm:7.1'
 	compile 'org.jetbrains:annotations:17.0.0'
-	compile 'uk.com.robust-it:cloning:1.9.12'
 	compile 'com.google.code.gson:gson:2.8.5'
 
 	compile 'org.smali:baksmali:2.2.7'

jadx-core/src/main/java/jadx/core/dex/instructions/ArithNode.java

@@ -72,6 +72,11 @@ public class ArithNode extends InsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new ArithNode(op, getResult(), getArg(0), getArg(1)));
+	}
+
+	@Override
 	public String toString() {
 		return InsnUtils.formatOffset(offset) + ": "
 				+ InsnUtils.insnTypeToString(insnType)

jadx-core/src/main/java/jadx/core/dex/instructions/FillArrayNode.java

@@ -25,13 +25,15 @@ public final class FillArrayNode extends InsnNode {
 	private ArgType elemType;
 
 	public FillArrayNode(int resReg, FillArrayDataPayloadDecodedInstruction payload) {
-		super(InsnType.FILL_ARRAY, 1);
-		ArgType elType = getElementType(payload.getElementWidthUnit());
-		addArg(InsnArg.reg(resReg, ArgType.array(elType)));
+		this(payload.getData(), payload.getSize(), getElementType(payload.getElementWidthUnit()));
+		addArg(InsnArg.reg(resReg, ArgType.array(elemType)));
+	}
 
-		this.data = payload.getData();
-		this.size = payload.getSize();
-		this.elemType = elType;
+	private FillArrayNode(Object data, int size, ArgType elemType) {
+		super(InsnType.FILL_ARRAY, 1);
+		this.data = data;
+		this.size = size;
+		this.elemType = elemType;
 	}
 
 	private static ArgType getElementType(short elementWidthUnit) {
@@ -98,6 +100,11 @@ public final class FillArrayNode extends InsnNode {
 		return elemType.equals(other.elemType) && data == other.data;
 	}
 
+	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new FillArrayNode(data, size, elemType));
+	}
+
 	public String dataToString() {
 		if (data instanceof int[]) {
 			return Arrays.toString((int[]) data);

jadx-core/src/main/java/jadx/core/dex/instructions/FilledNewArrayNode.java

@@ -35,6 +35,11 @@ public class FilledNewArrayNode extends InsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new FilledNewArrayNode(elemType, getArgsCount()));
+	}
+
+	@Override
 	public String toString() {
 		return super.toString() + " elemType: " + elemType;
 	}

jadx-core/src/main/java/jadx/core/dex/instructions/GotoNode.java

 package jadx.core.dex.instructions;
 
+import jadx.core.dex.nodes.InsnNode;
 import jadx.core.utils.InsnUtils;
 
 public class GotoNode extends TargetInsnNode {
@@ -20,6 +21,11 @@ public class GotoNode extends TargetInsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new GotoNode(target));
+	}
+
+	@Override
 	public String toString() {
 		return super.toString() + "-> " + InsnUtils.formatOffset(target);
 	}

jadx-core/src/main/java/jadx/core/dex/instructions/IfNode.java

@@ -34,12 +34,16 @@ public class IfNode extends GotoNode {
 	}
 
 	public IfNode(IfOp op, int targetOffset, InsnArg arg1, InsnArg arg2) {
-		super(InsnType.IF, targetOffset, 2);
-		this.op = op;
+		this(op, targetOffset);
 		addArg(arg1);
 		addArg(arg2);
 	}
 
+	private IfNode(IfOp op, int targetOffset) {
+		super(InsnType.IF, targetOffset, 2);
+		this.op = op;
+	}
+
 	// change default types priority
 	private static final ArgType WIDE_TYPE = ArgType.unknown(
 			PrimitiveType.INT, PrimitiveType.BOOLEAN,
@@ -124,6 +128,14 @@ public class IfNode extends GotoNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		IfNode copy = new IfNode(op, target);
+		copy.thenBlock = thenBlock;
+		copy.elseBlock = elseBlock;
+		return copyCommonParams(copy);
+	}
+
+	@Override
 	public String toString() {
 		return InsnUtils.formatOffset(offset) + ": "
 				+ InsnUtils.insnTypeToString(insnType)

jadx-core/src/main/java/jadx/core/dex/instructions/NewArrayNode.java

@@ -12,12 +12,16 @@ public class NewArrayNode extends InsnNode {
 	private final ArgType arrType;
 
 	public NewArrayNode(@NotNull ArgType arrType, RegisterArg res, InsnArg size) {
-		super(InsnType.NEW_ARRAY, 1);
-		this.arrType = arrType;
+		this(arrType);
 		setResult(res);
 		addArg(size);
 	}
 
+	private NewArrayNode(ArgType arrType) {
+		super(InsnType.NEW_ARRAY, 1);
+		this.arrType = arrType;
+	}
+
 	public ArgType getArrayType() {
 		return arrType;
 	}
@@ -35,6 +39,11 @@ public class NewArrayNode extends InsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new NewArrayNode(arrType));
+	}
+
+	@Override
 	public String toString() {
 		return super.toString() + " type: " + arrType;
 	}

jadx-core/src/main/java/jadx/core/dex/instructions/PhiInsn.java

@@ -21,13 +21,17 @@ public final class PhiInsn extends InsnNode {
 	private final List<BlockNode> blockBinds;
 
 	public PhiInsn(int regNum, int predecessors) {
-		super(InsnType.PHI, predecessors);
-		this.blockBinds = new ArrayList<>(predecessors);
+		this(predecessors);
 		setResult(InsnArg.reg(regNum, ArgType.UNKNOWN));
 		add(AFlag.DONT_INLINE);
 		add(AFlag.DONT_GENERATE);
 	}
 
+	private PhiInsn(int argsCount) {
+		super(InsnType.PHI, argsCount);
+		this.blockBinds = new ArrayList<>(argsCount);
+	}
+
 	public RegisterArg bindArg(BlockNode pred) {
 		RegisterArg arg = InsnArg.reg(getResult().getRegNum(), getResult().getInitType());
 		bindArg(arg, pred);
@@ -112,6 +116,11 @@ public final class PhiInsn extends InsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new PhiInsn(getArgsCount()));
+	}
+
+	@Override
 	public String toString() {
 		return "PHI: " + getResult() + " = " + Utils.listToString(getArguments())
 				+ " binds: " + blockBinds;

jadx-core/src/main/java/jadx/core/dex/instructions/SwitchNode.java

@@ -20,11 +20,15 @@ public class SwitchNode extends TargetInsnNode {
 	private BlockNode defTargetBlock;
 
 	public SwitchNode(InsnArg arg, Object[] keys, int[] targets, int def) {
+		this(keys, targets, def);
+		addArg(arg);
+	}
+
+	private SwitchNode(Object[] keys, int[] targets, int def) {
 		super(InsnType.SWITCH, 1);
 		this.keys = keys;
 		this.targets = targets;
 		this.def = def;
-		addArg(arg);
 	}
 
 	public int getCasesCount() {
@@ -97,6 +101,14 @@ public class SwitchNode extends TargetInsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		SwitchNode copy = new SwitchNode(keys, targets, def);
+		copy.targetBlocks = targetBlocks;
+		copy.defTargetBlock = defTargetBlock;
+		return copyCommonParams(copy);
+	}
+
+	@Override
 	public String toString() {
 		StringBuilder targ = new StringBuilder();
 		targ.append('[');

jadx-core/src/main/java/jadx/core/dex/instructions/mods/ConstructorInsn.java

@@ -105,6 +105,11 @@ public class ConstructorInsn extends InsnNode implements CallMthInterface {
 	}
 
 	@Override
+	public InsnNode copy() {
+		return copyCommonParams(new ConstructorInsn(callMth, callType, instanceArg));
+	}
+
+	@Override
 	public String toString() {
 		return super.toString() + ' ' + callMth + ' ' + callType;
 	}

jadx-core/src/main/java/jadx/core/dex/instructions/mods/TernaryInsn.java

@@ -16,7 +16,7 @@ public final class TernaryInsn extends InsnNode {
 	private IfCondition condition;
 
 	public TernaryInsn(IfCondition condition, RegisterArg result, InsnArg th, InsnArg els) {
-		super(InsnType.TERNARY, 2);
+		this();
 		setResult(result);
 
 		if (th.equals(LiteralArg.FALSE) && els.equals(LiteralArg.TRUE)) {
@@ -31,6 +31,10 @@ public final class TernaryInsn extends InsnNode {
 		}
 	}
 
+	private TernaryInsn() {
+		super(InsnType.TERNARY, 2);
+	}
+
 	public IfCondition getCondition() {
 		return condition;
 	}
@@ -68,6 +72,13 @@ public final class TernaryInsn extends InsnNode {
 	}
 
 	@Override
+	public InsnNode copy() {
+		TernaryInsn copy = new TernaryInsn();
+		copy.condition = condition;
+		return copyCommonParams(copy);
+	}
+
+	@Override
 	public String toString() {
 		return InsnUtils.formatOffset(offset) + ": TERNARY"
 				+ getResult() + " = "

jadx-core/src/main/java/jadx/core/dex/nodes/InsnNode.java

@@ -9,7 +9,6 @@ import java.util.Objects;
 import org.jetbrains.annotations.Nullable;
 
 import com.android.dx.io.instructions.DecodedInstruction;
-import com.rits.cloning.Cloner;
 
 import jadx.core.dex.attributes.AFlag;
 import jadx.core.dex.attributes.nodes.LineAttrNode;
@@ -17,23 +16,14 @@ import jadx.core.dex.instructions.InsnType;
 import jadx.core.dex.instructions.args.ArgType;
 import jadx.core.dex.instructions.args.InsnArg;
 import jadx.core.dex.instructions.args.InsnWrapArg;
-import jadx.core.dex.instructions.args.LiteralArg;
-import jadx.core.dex.instructions.args.NamedArg;
 import jadx.core.dex.instructions.args.RegisterArg;
 import jadx.core.dex.instructions.args.SSAVar;
 import jadx.core.utils.InsnRemover;
 import jadx.core.utils.InsnUtils;
 import jadx.core.utils.Utils;
+import jadx.core.utils.exceptions.JadxRuntimeException;
 
 public class InsnNode extends LineAttrNode {
-
-	private static final Cloner INSN_CLONER = new Cloner();
-
-	static {
-		INSN_CLONER.dontClone(ArgType.class, SSAVar.class, LiteralArg.class, NamedArg.class);
-		INSN_CLONER.dontCloneInstanceOf(RegisterArg.class);
-	}
-
 	protected final InsnType insnType;
 
 	private RegisterArg result;
@@ -324,7 +314,7 @@ public class InsnNode extends LineAttrNode {
 				&& Objects.equals(arguments, other.arguments);
 	}
 
-	protected <T extends InsnNode> T copyCommonParams(T copy) {
+	protected final <T extends InsnNode> T copyCommonParams(T copy) {
 		copy.setResult(result);
 		if (copy.getArgsCount() == 0) {
 			for (InsnArg arg : this.getArguments()) {
@@ -346,10 +336,10 @@ public class InsnNode extends LineAttrNode {
 	 * Make copy of InsnNode object.
 	 */
 	public InsnNode copy() {
-		if (this.getClass() == InsnNode.class) {
-			return copyCommonParams(new InsnNode(insnType, getArgsCount()));
+		if (this.getClass() != InsnNode.class) {
+			throw new JadxRuntimeException("Copy method not implemented in insn class " + this.getClass().getSimpleName());
 		}
-		return INSN_CLONER.deepClone(this);
+		return copyCommonParams(new InsnNode(insnType, getArgsCount()));
 	}
 
 	public boolean canThrowException() {