Doesn't work and I don't know why

src/main/java/info/sigterm/deob/attributes/code/Instruction.java

@@ -39,7 +39,7 @@ public abstract class Instruction
 	
 	public String getDesc(Frame frame)
 	{
-		return null;
+		return type.getName();
 	}
 
 	protected void addJump(int offset)

src/main/java/info/sigterm/deob/attributes/code/instructions/Return.java

@@ -17,7 +17,6 @@ public class Return extends Instruction
 	@Override
 	public void execute(Frame e)
 	{
-		// XXX exceptions?
 		Object ret = e.getStack().pop();
 		e.getPath().returnFrame(this, ret);
 	}

src/main/java/info/sigterm/deob/execution/Execution.java

@@ -23,6 +23,8 @@ public class Execution
 		ObjectInstance object = p.createObject(instance);
 		
 		p.invoke(method, object);
+		
+		//process();
 	}
 	
 	public void addPath(Path p)

src/main/java/info/sigterm/deob/execution/Frame.java

@@ -67,17 +67,14 @@ public class Frame
 			
 			Instruction i = ins.findInstruction(pc);
 			
-			String desc = i.getDesc(this);
-			if (desc != null)
-				System.out.println(desc);
-			
 			try
 			{
 				i.execute(this);
+				System.out.println(i.getDesc(this));
 			}
 			catch (Throwable ex)
 			{
-				System.err.println("Error executing instruction in " + method.getName() + " " + method.getDescriptor() + " in class " + method.getMethods().getClassFile().getName() + " at pc " + pc);
+				System.err.println("Error executing instruction " + i.getDesc(this) + " in " + method.getName() + " " + method.getDescriptor() + " in class " + method.getMethods().getClassFile().getName() + " at pc " + pc);
 				System.err.println("Frame stack (grows downward):");
 				while (stack.getSize() > 0)
 				{

src/main/java/info/sigterm/deob/execution/Path.java

@@ -97,7 +97,13 @@ public class Path
 		for (int i = 0; i < args.length; ++i)
 			vars.set(i, args[i]);
 		frames.push(f);
-		f.execute();
+		
+		while (!frames.isEmpty())
+		{
+			f = frames.peek();
+			f.execute();
+			frames.pop();
+		}
 	}
 	
 	public void returnFrame(Instruction i, Object value)