Convert MacResizeTransformer to Kotlin

bundler/src/main/java/dev/openrs2/bundler/transform/MacResizeTransformer.java

@@ -1,68 +0,0 @@
-package dev.openrs2.bundler.transform;
-
-import dev.openrs2.asm.InsnMatcher;
-import dev.openrs2.asm.classpath.ClassPath;
-import dev.openrs2.asm.classpath.Library;
-import dev.openrs2.asm.transform.Transformer;
-import org.objectweb.asm.Opcodes;
-import org.objectweb.asm.tree.ClassNode;
-import org.objectweb.asm.tree.FieldInsnNode;
-import org.objectweb.asm.tree.JumpInsnNode;
-import org.objectweb.asm.tree.LdcInsnNode;
-import org.objectweb.asm.tree.MethodInsnNode;
-import org.objectweb.asm.tree.MethodNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public final class MacResizeTransformer extends Transformer {
-	private static final Logger logger = LoggerFactory.getLogger(MacResizeTransformer.class);
-
-	private static final InsnMatcher DETECT_MAC_MATCHER = InsnMatcher.compile("GETSTATIC LDC INVOKEVIRTUAL (IFEQ | IFNE)");
-
-	private int branchesRemoved;
-
-	@Override
-	protected void preTransform(ClassPath classPath) {
-		branchesRemoved = 0;
-	}
-
-	@Override
-	protected boolean transformCode(ClassPath classPath, Library library, ClassNode clazz, MethodNode method) {
-		DETECT_MAC_MATCHER.match(method).forEach(match -> {
-			var getstatic = (FieldInsnNode) match.get(0);
-			if (getstatic.owner.equals("loader") || getstatic.owner.equals(clazz.name) || !getstatic.desc.equals("Ljava/lang/String;")) {
-				return;
-			}
-
-			var ldc = (LdcInsnNode) match.get(1);
-			if (!ldc.cst.equals("mac")) {
-				return;
-			}
-
-			var invokevirtual = (MethodInsnNode) match.get(2);
-			if (!invokevirtual.owner.equals("java/lang/String") || !invokevirtual.name.equals("startsWith") || !invokevirtual.desc.equals("(Ljava/lang/String;)Z")) {
-				return;
-			}
-
-			method.instructions.remove(getstatic);
-			method.instructions.remove(ldc);
-			method.instructions.remove(invokevirtual);
-
-			var branch = (JumpInsnNode) match.get(3);
-			if (branch.getOpcode() == Opcodes.IFEQ) {
-				branch.setOpcode(Opcodes.GOTO);
-			} else {
-				method.instructions.remove(branch);
-			}
-
-			branchesRemoved++;
-		});
-
-		return false;
-	}
-
-	@Override
-	protected void postTransform(ClassPath classPath) {
-		logger.info("Removed {} branches to macOS-specific resize logic", branchesRemoved);
-	}
-}

bundler/src/main/java/dev/openrs2/bundler/transform/MacResizeTransformer.kt

@@ -0,0 +1,60 @@
+package dev.openrs2.bundler.transform
+
+import com.github.michaelbull.logging.InlineLogger
+import dev.openrs2.asm.InsnMatcher
+import dev.openrs2.asm.classpath.ClassPath
+import dev.openrs2.asm.classpath.Library
+import dev.openrs2.asm.transform.Transformer
+import org.objectweb.asm.Opcodes
+import org.objectweb.asm.tree.*
+
+class MacResizeTransformer : Transformer() {
+    private var branchesRemoved = 0
+
+    override fun preTransform(classPath: ClassPath) {
+        branchesRemoved = 0
+    }
+
+    override fun transformCode(classPath: ClassPath, library: Library, clazz: ClassNode, method: MethodNode): Boolean {
+        DETECT_MAC_MATCHER.match(method).forEach {
+            val getstatic = it[0] as FieldInsnNode
+            if (getstatic.owner == "loader" || getstatic.owner == clazz.name || getstatic.desc != "Ljava/lang/String;") {
+                return@forEach
+            }
+
+            val ldc = it[1] as LdcInsnNode
+            if (ldc.cst != "mac") {
+                return@forEach
+            }
+
+            val invokevirtual = it[2] as MethodInsnNode
+            if (invokevirtual.owner != "java/lang/String" || invokevirtual.name != "startsWith" || invokevirtual.desc != "(Ljava/lang/String;)Z") {
+                return@forEach
+            }
+
+            method.instructions.remove(getstatic)
+            method.instructions.remove(ldc)
+            method.instructions.remove(invokevirtual)
+
+            val branch = it[3] as JumpInsnNode
+            if (branch.opcode == Opcodes.IFEQ) {
+                branch.opcode = Opcodes.GOTO
+            } else {
+                method.instructions.remove(branch)
+            }
+
+            branchesRemoved++
+        }
+
+        return false
+    }
+
+    override fun postTransform(classPath: ClassPath) {
+        logger.info { "Removed $branchesRemoved branches to macOS-specific resize logic" }
+    }
+
+    companion object {
+        private val logger = InlineLogger()
+        private val DETECT_MAC_MATCHER = InsnMatcher.compile("GETSTATIC LDC INVOKEVIRTUAL (IFEQ | IFNE)")
+    }
+}