From 38a3e752f9884135c9fc705a3297b0a423d70761 Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.dev>
Date: Thu, 26 Dec 2019 19:04:21 +0000
Subject: [PATCH] Convert NegativeLiteralTransformer to Kotlin

---
 .../transform/NegativeLiteralTransformer.java | 26 -----------------
 .../transform/NegativeLiteralTransformer.kt   | 28 +++++++++++++++++++
 2 files changed, 28 insertions(+), 26 deletions(-)
 delete mode 100644 deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.java
 create mode 100644 deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.kt

diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.java b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.java
deleted file mode 100644
index 0c52a297..00000000
--- a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.java
+++ /dev/null
@@ -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));
-			}
-		});
-	}
-}
diff --git a/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.kt b/deob-ast/src/main/java/dev/openrs2/deob/ast/transform/NegativeLiteralTransformer.kt
new file mode 100644
index 00000000..6389e40a
--- /dev/null
+++ b/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))
+                }
+            }
+        }
+    }
+}