From 1882445b40e7065b728f5bb7a96ec92efa03b9ef Mon Sep 17 00:00:00 2001
From: Thomas Gambier <thomas.gambier@gmail.com>
Date: Thu, 2 May 2024 04:51:48 +0000
Subject: [PATCH] Add syntax check for duplicate 'layer' keyword

---
 pcbnew/drc/drc_rule_parser.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pcbnew/drc/drc_rule_parser.cpp b/pcbnew/drc/drc_rule_parser.cpp
index 76a2ddab59..601c79f271 100644
--- a/pcbnew/drc/drc_rule_parser.cpp
+++ b/pcbnew/drc/drc_rule_parser.cpp
@@ -237,6 +237,8 @@ std::shared_ptr<DRC_RULE> DRC_RULES_PARSER::parseDRC_RULE()
             break;
 
         case T_layer:
+            if( rule->m_LayerCondition != LSET::AllLayersMask() )
+                reportError( _( "'layer' keyword already present." ) );
             rule->m_LayerSource = FromUTF8();
             rule->m_LayerCondition = parseLayer();
             break;