From d688f15a530cbfaae487bc918b2727895fff0b01 Mon Sep 17 00:00:00 2001
From: Uko Kokņevičs
Date: Mon, 29 Dec 2025 15:49:07 +0200
Subject: Get rid of unsupported JSR/RET

---
 .../AddFramesIfNecessaryClassProvider.java         |  2 +-
 .../classprovider/JSRInlinerClassAdapter.java      | 23 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 enigma/src/main/java/cuchaz/enigma/classprovider/JSRInlinerClassAdapter.java

(limited to 'enigma/src/main/java/cuchaz')

diff --git a/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java b/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
index d6e4ec7..f976709 100644
--- a/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
+++ b/enigma/src/main/java/cuchaz/enigma/classprovider/AddFramesIfNecessaryClassProvider.java
@@ -40,7 +40,7 @@ public class AddFramesIfNecessaryClassProvider implements ClassProvider {
 		}
 
 		IndexClassWriter cw = new IndexClassWriter(entryIndex, ClassWriter.COMPUTE_FRAMES);
-		clazz.accept(cw);
+		clazz.accept(new JSRInlinerClassAdapter(cw));
 		ClassReader cr = new ClassReader(cw.toByteArray());
 		ClassNode node = new ClassNode();
 		cr.accept(node, 0);
diff --git a/enigma/src/main/java/cuchaz/enigma/classprovider/JSRInlinerClassAdapter.java b/enigma/src/main/java/cuchaz/enigma/classprovider/JSRInlinerClassAdapter.java
new file mode 100644
index 0000000..5135b72
--- /dev/null
+++ b/enigma/src/main/java/cuchaz/enigma/classprovider/JSRInlinerClassAdapter.java
@@ -0,0 +1,23 @@
+package cuchaz.enigma.classprovider;
+
+import org.objectweb.asm.ClassVisitor;
+import org.objectweb.asm.MethodVisitor;
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.commons.JSRInlinerAdapter;
+
+public class JSRInlinerClassAdapter extends ClassVisitor {
+	public JSRInlinerClassAdapter(ClassVisitor cv) {
+		super(Opcodes.ASM9, cv);
+	}
+
+	@Override
+	public MethodVisitor visitMethod(int access, String name, String descriptor, String signature, String[] exceptions) {
+		MethodVisitor mv = cv.visitMethod(access, name, descriptor, signature, exceptions);
+
+		if (mv != null) {
+			mv = new JSRInlinerAdapter(mv, access, name, descriptor, signature, exceptions);
+		}
+
+		return mv;
+	}
+}
-- 
cgit v1.2.3