frames: JDK hierarchy fallback, array-operand rewrite, aaload fixes; LoVisual 131 to 0 FAIL

crates/noxis-analysis/src/JdkHierarchy.java

@@ -0,0 +1,34 @@
+import java.util.Scanner;
+
+/**
+ * Answers superclass queries from the obfuscator's frame analysis.
+ *
+ * <p>Protocol: one internal class name per line on stdin
+ * ({@code java/io/BufferedReader}); one line back on stdout - the direct
+ * superclass as an internal name, or an empty line when unknown
+ * (missing dependency, interface, primitive, array). A single process
+ * serves the whole analysis run; EOF on stdin ends it.
+ */
+public class JdkHierarchy {
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        while (in.hasNextLine()) {
+            String name = in.nextLine().trim().replace('/', '.');
+            String sup = "";
+            if (!name.isEmpty()) {
+                try {
+                    Class<?> loaded =
+                            Class.forName(name, false, JdkHierarchy.class.getClassLoader());
+                    Class<?> parent = loaded.getSuperclass();
+                    if (parent != null) {
+                        sup = parent.getName().replace('.', '/');
+                    }
+                } catch (Throwable ignored) {
+                    // Unknown: not on the JDK classpath, an interface with
+                    // no superclass, a primitive or an array - empty line.
+                }
+            }
+            System.out.println(sup);
+        }
+    }
+}