Replace ClassForNameTransformer

This commit stops ClassForNameTransformer from extending Transformer and
renames it. I think this makes sense, as we don't use it like a normal
Transformer.

asm/src/main/java/dev/openrs2/asm/classpath/Library.java

@@ -15,7 +15,7 @@ import java.util.jar.JarOutputStream;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
-import dev.openrs2.asm.transform.ClassForNameTransformer;
+import dev.openrs2.asm.remap.ClassForNameRemapper;
 import dev.openrs2.util.io.DeterministicJarOutputStream;
 import dev.openrs2.util.io.SkipOutputStream;
 import org.apache.harmony.pack200.Pack200;
@@ -115,13 +115,12 @@ public final class Library implements Iterable<ClassNode> {
 	}
 
 	public void remap(Remapper remapper) {
-		var transformer = new ClassForNameTransformer(remapper);
 		var classNames = new HashSet<String>();
 
 		for (var clazz : classes.values()) {
 			for (var method : clazz.methods) {
 				if ((method.access & (Opcodes.ACC_NATIVE | Opcodes.ACC_ABSTRACT)) == 0) {
-					transformer.transformCode(clazz, method);
+					ClassForNameRemapper.remap(remapper, method);
 				}
 			}
 

asm/src/main/java/dev/openrs2/asm/remap/ClassForNameRemapper.java

@@ -1,16 +1,15 @@
-package dev.openrs2.asm.transform;
+package dev.openrs2.asm.remap;
 
 import java.util.List;
 
 import dev.openrs2.asm.InsnMatcher;
 import org.objectweb.asm.commons.Remapper;
 import org.objectweb.asm.tree.AbstractInsnNode;
-import org.objectweb.asm.tree.ClassNode;
 import org.objectweb.asm.tree.LdcInsnNode;
 import org.objectweb.asm.tree.MethodInsnNode;
 import org.objectweb.asm.tree.MethodNode;
 
-public final class ClassForNameTransformer extends Transformer {
+public final class ClassForNameRemapper {
 	private static final InsnMatcher INVOKE_MATCHER = InsnMatcher.compile("LDC INVOKESTATIC");
 
 	private static boolean isClassForName(List<AbstractInsnNode> match) {
@@ -25,22 +24,17 @@ public final class ClassForNameTransformer extends Transformer {
 			invokestatic.desc.equals("(Ljava/lang/String;)Ljava/lang/Class;");
 	}
 
-	private final Remapper remapper;
-
-	public ClassForNameTransformer(Remapper remapper) {
-		this.remapper = remapper;
-	}
-
-	@Override
-	public boolean transformCode(ClassNode clazz, MethodNode method) {
-		INVOKE_MATCHER.match(method).filter(ClassForNameTransformer::isClassForName).forEach(match -> {
+	public static void remap(Remapper remapper, MethodNode method) {
+		INVOKE_MATCHER.match(method).filter(ClassForNameRemapper::isClassForName).forEach(match -> {
 			var ldc = (LdcInsnNode) match.get(0);
 			var name = remapper.map((String) ldc.cst);
 			if (name != null) {
 				ldc.cst = name;
 			}
 		});
+	}
 
-		return false;
+	private ClassForNameRemapper() {
+		/* empty */
 	}
 }