From 90ccf59b2579282f2ec3542db102fa7f64bea6b4 Mon Sep 17 00:00:00 2001
From: curry772 <curry772@gmail.com>
Date: Wed, 12 Aug 2026 17:57:42 +0900
Subject: [PATCH] =?UTF-8?q?=EB=B3=80=ED=99=98=20=ED=91=9C=ED=98=84?=
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---
 .../eai/transformer/engine/Parser.java        | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/main/java/com/eactive/eai/transformer/engine/Parser.java b/src/main/java/com/eactive/eai/transformer/engine/Parser.java
index 5cd7d03..b3b2b1c 100644
--- a/src/main/java/com/eactive/eai/transformer/engine/Parser.java
+++ b/src/main/java/com/eactive/eai/transformer/engine/Parser.java
@@ -1,6 +1,11 @@
 package com.eactive.eai.transformer.engine;
 
 import java.io.Serializable;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.Set;
 
 import org.nfunk.jep.JEP;
 import org.nfunk.jep.function.PostfixMathCommand;
@@ -26,6 +31,14 @@ public class Parser implements Serializable {
 
 	private static Logger logger = Logger.getLogger("transformer");
 
+	/**
+	 * 표현식의 변수가 아니라 파서가 미리 심볼테이블에 등록해 두는 예약 심볼.
+	 * getSymbols() 결과에서 제외하지 않으면 Transformer 가 이를 소스전문의 항목경로로 보고
+	 * 조회를 시도해 "레이아웃항목이 존재하지 않음" 경고가 매 변환마다 발생한다.
+	 */
+	private static final Set<String> RESERVED_SYMBOLS =
+			Collections.unmodifiableSet(new HashSet<>(Arrays.asList("true", "false")));
+
 	private transient JEP jep = new JEP(); // Create a new parser
 
 	public Parser() {
@@ -102,9 +115,9 @@ public class Parser implements Serializable {
 
 	@SuppressWarnings("unchecked")
 	public String[] getSymbols() {
-		String[] symbols = new String[getJep().getSymbolTable().size()];
-		symbols = (String[])getJep().getSymbolTable().keySet().toArray(new String[symbols.length]);
-		return symbols;
+		Set<String> symbols = new LinkedHashSet<>(getJep().getSymbolTable().keySet());
+		symbols.removeAll(RESERVED_SYMBOLS);
+		return symbols.toArray(new String[symbols.size()]);
 	}
 
 	private void addGenericFunctions() throws Exception {