From 1dca439ee314dc1463605373dcd37465232a16d3 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Tue, 14 Jan 2025 12:07:21 +0100
Subject: [PATCH] Don't throw exception but set to $ when encountering invalid
 instance name #5680

---
 src/ifcparse/IfcParse.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ifcparse/IfcParse.cpp b/src/ifcparse/IfcParse.cpp
index eb883a067e..7e7405278b 100644
--- a/src/ifcparse/IfcParse.cpp
+++ b/src/ifcparse/IfcParse.cpp
@@ -502,7 +502,9 @@ Token IfcParse::GeneralTokenPtr(IfcSpfLexer* lexer, unsigned start, unsigned end
     if (first == '#') {
         token.type = Token_IDENTIFIER;
         if (!ParseInt(tokenStr.c_str() + 1, token.value_int)) {
-            throw IfcException("Identifier token as not integer");
+            Logger::Message(Logger::LOG_ERROR, "Token '" + tokenStr + "' at offset " + std::to_string(token.startPos) + " is not valid");
+            token.type = Token_OPERATOR;
+            token.value_char = '$';
         }
     } else if (first == '\'') {
         token.type = Token_STRING;