fix: properly transform array creation with constant field length to filled-array (PR #1054)

jadx-core/src/main/java/jadx/core/dex/visitors/EnumVisitor.java

@@ -53,7 +53,7 @@ import static jadx.core.utils.InsnUtils.getWrappedInsn;
 @JadxVisitor(
 		name = "EnumVisitor",
 		desc = "Restore enum classes",
-		runAfter = { CodeShrinkVisitor.class, ModVisitor.class },
+		runAfter = { CodeShrinkVisitor.class, ModVisitor.class, ReSugarCode.class },
 		runBefore = { ExtractFieldInit.class }
 )
 public class EnumVisitor extends AbstractVisitor {

jadx-core/src/main/java/jadx/core/dex/visitors/ReSugarCode.java

@@ -91,11 +91,11 @@ public class ReSugarCode extends AbstractVisitor {
 	 */
 	private static boolean processNewArray(MethodNode mth, NewArrayNode newArrayInsn,
 			List<InsnNode> instructions, InsnRemover remover) {
-		InsnArg arrLenArg = newArrayInsn.getArg(0);
-		if (!arrLenArg.isLiteral()) {
+		Object arrayLenConst = InsnUtils.getConstValueByArg(mth.root(), newArrayInsn.getArg(0));
+		if (!(arrayLenConst instanceof LiteralArg)) {
 			return false;
 		}
-		int len = (int) ((LiteralArg) arrLenArg).getLiteral();
+		int len = (int) ((LiteralArg) arrayLenConst).getLiteral();
 		if (len == 0) {
 			return false;
 		}

jadx-core/src/test/java/jadx/tests/integration/enums/TestEnumWithConstInlining.java

+package jadx.tests.integration.enums;
+
+import org.junit.jupiter.api.Test;
+
+import jadx.core.dex.nodes.ClassNode;
+import jadx.tests.api.SmaliTest;
+
+import static jadx.tests.api.utils.JadxMatchers.containsOne;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class TestEnumWithConstInlining extends SmaliTest {
+	enum TestCls {
+		E0,
+		E1,
+		E2,
+		E3,
+		E4,
+		E5,
+		E6,
+		E7,
+		E8,
+		E9,
+		E10,
+		E11,
+		E12,
+		E13,
+		E14,
+		E15,
+		E16,
+		E17,
+		E18,
+		E19,
+		E20,
+		E21,
+		E22,
+		E23,
+		E24,
+		E25,
+		E26,
+		E27,
+		E28,
+		E29,
+		E30,
+		E31,
+		E32,
+		E33,
+		E34,
+		E35,
+		E36,
+		E37,
+		E38,
+		E39,
+		E40,
+		E41,
+		E42,
+		E43,
+		E44,
+		E45,
+		E46,
+		E47,
+		E48,
+		E49,
+		E50,
+		E51,
+		E52,
+		E53,
+		E54,
+		E55,
+		E56,
+		E57,
+		E58,
+		E59,
+		E60,
+		E61,
+		E62,
+		E63,
+		E64,
+		E65,
+		E66,
+		E67,
+		E68,
+		E69,
+		E70,
+		E71,
+		E72,
+		E73,
+		E74,
+		E75,
+		E76,
+		E77,
+		E78,
+		E79,
+		E80,
+		E81,
+		E82,
+		E83,
+		E84,
+		E85,
+		E86,
+		E87,
+		E88,
+		E89,
+		E90,
+		E91,
+		E92,
+		E93,
+		E94,
+		E95,
+		E96,
+		E97,
+		E98,
+		E99,
+		E100;
+
+		/**
+		 * Match the length of the $VALUES array.
+		 */
+		public static final int CONST = 101;
+	}
+
+	@Test
+	public void test() {
+		ClassNode cls = getClassNode(TestCls.class);
+		String code = cls.getCode().toString();
+
+		assertThat(code, containsOne("E42,"));
+	}
+}