From 088bc207ab94efaa8a4485350478df5b90682456 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Mon, 11 Nov 2024 13:57:36 +0100
Subject: [PATCH] Don't fail on untyped enumerations

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

diff --git a/src/ifcparse/IfcFile.cpp b/src/ifcparse/IfcFile.cpp
index 77610ec2f2..18523a158a 100644
--- a/src/ifcparse/IfcFile.cpp
+++ b/src/ifcparse/IfcFile.cpp
@@ -60,12 +60,14 @@ namespace {
         } else if (t.type == IfcParse::Token_BOOL) {
             fn(IfcParse::TokenFunc::asBool(t));
         } else if (t.type == IfcParse::Token_ENUMERATION) {
-            if (decl->as_enumeration_type()) {
+            if (decl && decl->as_enumeration_type()) {
                 try {
                     fn(EnumerationReference(decl->as_enumeration_type(), decl->as_enumeration_type()->lookup_enum_offset(IfcParse::TokenFunc::asStringRef(t))));
                 } catch (IfcParse::IfcException& e) {
                     Logger::Error(e);
                 }
+            } else {
+                Logger::Error("Untyped enumeration encountered");
             }
         } else if (t.type == IfcParse::Token_FLOAT) {
             fn(IfcParse::TokenFunc::asFloat(t));