Convert NegativeLiteralTransformer to Kotlin

deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.java

@@ -1,26 +0,0 @@
-package dev.openrs2.deob.ast.transform;
-
-import com.github.javaparser.ast.CompilationUnit;
-import com.github.javaparser.ast.Node;
-import com.github.javaparser.ast.expr.UnaryExpr;
-import dev.openrs2.deob.ast.util.ExprUtils;
-import dev.openrs2.deob.ast.util.NodeUtils;
-
-public final class NegativeLiteralTransformer extends Transformer {
-	@Override
-	public void transform(CompilationUnit unit) {
-		NodeUtils.walk(unit, Node.TreeTraversal.POSTORDER, UnaryExpr.class, expr -> {
-			var operand = expr.getExpression();
-			if (!ExprUtils.isIntegerOrLongLiteral(operand)) {
-				return;
-			}
-
-			var op = expr.getOperator();
-			if (op == UnaryExpr.Operator.PLUS) {
-				expr.replace(operand);
-			} else if (op == UnaryExpr.Operator.MINUS) {
-				expr.replace(ExprUtils.negate(operand));
-			}
-		});
-	}
-}

deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.kt

@@ -0,0 +1,28 @@
+package dev.openrs2.deob.ast.transform
+
+import com.github.javaparser.ast.CompilationUnit
+import com.github.javaparser.ast.Node
+import com.github.javaparser.ast.expr.UnaryExpr
+import dev.openrs2.deob.ast.util.ExprUtils
+import dev.openrs2.deob.ast.util.NodeUtils
+
+class NegativeLiteralTransformer : Transformer() {
+    override fun transform(unit: CompilationUnit) {
+        NodeUtils.walk(unit, Node.TreeTraversal.POSTORDER, UnaryExpr::class.java) { expr ->
+            val operand = expr.expression
+            if (!ExprUtils.isIntegerOrLongLiteral(operand)) {
+                return@walk
+            }
+
+            @Suppress("NON_EXHAUSTIVE_WHEN")
+            when (expr.operator) {
+                UnaryExpr.Operator.PLUS -> {
+                    expr.replace(operand)
+                }
+                UnaryExpr.Operator.MINUS -> {
+                    expr.replace(ExprUtils.negate(operand))
+                }
+            }
+        }
+    }
+}