From 7b8f372648c963ede74e142da1d5ff86757aa8a6 Mon Sep 17 00:00:00 2001
From: Mikhail Yakshin <greycat.na.kor@gmail.com>
Date: Sat, 2 Mar 2024 13:52:51 +0000
Subject: [PATCH] LuaTranslator: fix string concat for
 doInterpolatedStringLiteral

---
 .../scala/io/kaitai/struct/translators/LuaTranslator.scala | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/shared/src/main/scala/io/kaitai/struct/translators/LuaTranslator.scala b/shared/src/main/scala/io/kaitai/struct/translators/LuaTranslator.scala
index c1da7d155..b3287d4e9 100644
--- a/shared/src/main/scala/io/kaitai/struct/translators/LuaTranslator.scala
+++ b/shared/src/main/scala/io/kaitai/struct/translators/LuaTranslator.scala
@@ -160,6 +160,13 @@ class LuaTranslator(provider: TypeProvider, importList: ImportList) extends Base
     s"utils.array_max(${translate(a)})"
   }
 
+  override def doInterpolatedStringLiteral(exprs: Seq[Ast.expr]): String =
+    if (exprs.isEmpty) {
+      doStringLiteral("")
+    } else {
+      exprs.map(anyToStr).mkString(" .. ")
+    }
+
   override def kaitaiStreamSize(value: Ast.expr): String =
     s"${translate(value)}:size()"
   override def kaitaiStreamEof(value: Ast.expr): String =