From 8966d7b531ffb3be36ac8e0724a4ae6f597c1eb4 Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.dev>
Date: Mon, 29 Jul 2019 13:58:29 +0100
Subject: [PATCH] Add abstract Transformer class

---
 .../java/dev/openrs2/asm/Transformer.java     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 asm/src/main/java/dev/openrs2/asm/Transformer.java

diff --git a/asm/src/main/java/dev/openrs2/asm/Transformer.java b/asm/src/main/java/dev/openrs2/asm/Transformer.java
new file mode 100644
index 00000000..177a8123
--- /dev/null
+++ b/asm/src/main/java/dev/openrs2/asm/Transformer.java
@@ -0,0 +1,39 @@
+package dev.openrs2.asm;
+
+import org.objectweb.asm.Opcodes;
+import org.objectweb.asm.tree.ClassNode;
+import org.objectweb.asm.tree.MethodNode;
+
+public abstract class Transformer {
+	public final void transform(Library library) {
+		preTransform(library);
+
+		for (var clazz : library) {
+			transformClass(clazz);
+
+			for (var method : clazz.methods) {
+				if ((method.access & (Opcodes.ACC_NATIVE | Opcodes.ACC_ABSTRACT)) == 0) {
+					transformMethod(clazz, method);
+				}
+			}
+		}
+
+		postTransform(library);
+	}
+
+	public void preTransform(Library library) {
+		/* empty */
+	}
+
+	public void transformClass(ClassNode clazz) {
+		/* empty */
+	}
+
+	public void transformMethod(ClassNode clazz, MethodNode method) {
+		/* empty */
+	}
+
+	public void postTransform(Library library) {
+		/* empty */
+	}
+}