update ASM 9.2

Fixed POP2 instruction in StackBasedCalculator.

src/me/ByteEdit/edit/Assembler.java

@@ -4,6 +4,7 @@ import java.io.BufferedReader;
 import java.io.StringReader;
 import java.math.BigInteger;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
@@ -573,7 +574,9 @@ public class Assembler {
 				String value = split2[1];
 				if (value.endsWith("]"))
 					value = value.substring(0, value.length() - 1);
-				if (value.startsWith("{ ")) {
+				if (value.equals("{ }")) {
+					node.values.add(Collections.EMPTY_LIST);
+				} else if (value.startsWith("{ ")) {
 					String split3[] = splitWithStrings(value.substring(2, value.length() - 2));
 					List<Object> list = new ArrayList<>();
 					for (String rofl : split3) {

src/me/ByteEdit/edit/Disassembler.java

@@ -202,8 +202,12 @@ public class Disassembler implements IDecompiler {
 							}
 							s += ", ";
 						}
-						s = s.substring(0, s.length() - 2);
+						if (s.endsWith(", ")) {
-						s += " }], ";
+							s = s.substring(0, s.length() - 2);
+							s += " }], ";
+						} else {
+							s += "}], ";
+						}
 					} else if (o instanceof String) {
 						s += "\"" + UnicodeUtils.escapeWithSpaces(hs, (String) o) + "\"], ";
 					} else {
@@ -307,6 +311,7 @@ public class Disassembler implements IDecompiler {
 
 		InsnList insnList = mn.instructions;
 		boolean deobfNumbers = Main.INSTANCE.mntmNumbers.isSelected();
+		boolean deobfNops = Main.INSTANCE.mntmNops.isSelected();
 
 		ArrayList<Label> labelsReversed = deobfNumbers ? new ArrayList<>() : null;
 
@@ -358,6 +363,8 @@ public class Disassembler implements IDecompiler {
 
 		StringContext ctx = new StringContext(insnList.size());
 		for (AbstractInsnNode n = insnList.getFirst(); n != null; n = n.getNext()) {
+			if (deobfNops && n.getOpcode() == Opcodes.NOP)
+				continue;
 			ctx.next(disassembleInstruction(n, labels, hs));
 		}
 		return new String[] { ctx.finish(), localVarTable, tryCatchTable };

src/me/ByteEdit/edit/StackBasedCalculator.java

@@ -580,8 +580,10 @@ public class StackBasedCalculator implements Opcodes, Runnable {
 				change(node);
 				return false;
 			case POP2:
-				stack.pop();
+				Number val = stack.pop();
-				stack.pop();
+				if (!(val instanceof Long) && !(val instanceof Double)) {
+					stack.pop();
+				}
 				change(node);
 				return false;
 			case SWAP: {

src/me/ByteEdit/main/Main.java

@@ -89,6 +89,7 @@ import me.ByteEdit.utils.ClassUtil;
 import me.ByteEdit.utils.OpcodesReverse;
 import me.ByteEdit.utils.UnicodeUtils;
 
+// ASM 9.2
 public class Main extends JFrame {
 
 	public static Main INSTANCE;
@@ -142,7 +143,7 @@ public class Main extends JFrame {
 	private JMenuItem rdbtnmntm10000;
 	public JCheckBoxMenuItem mntmMultithreaded;
 	private JMenu mnDeobfuscation;
-	public JCheckBoxMenuItem mntmNumbers;
+	public JCheckBoxMenuItem mntmNumbers, mntmNops;
 
 	public static final Object treeLock = new Object();
 
@@ -425,6 +426,9 @@ public class Main extends JFrame {
 		mntmNumbers = new JCheckBoxMenuItem("Numbers");
 		mnDeobfuscation.add(mntmNumbers);
 
+		mntmNops = new JCheckBoxMenuItem("Nops");
+		mnDeobfuscation.add(mntmNops);
+
 		contentPane = new JPanel();
 		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
 		setContentPane(contentPane);