1 files changed, 14 insertions, 5 deletions

diff --git a/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/metadata/MetadataCreator.java b/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/metadata/MetadataCreator.java
index b6a2cdf0..cc262129 100644
--- a/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/metadata/MetadataCreator.java
+++ b/subprojects/language-semantics/src/main/java/tools/refinery/language/semantics/metadata/MetadataCreator.java
@@ -46,27 +46,36 @@ public class MetadataCreator {
                 relationScope = scopeProvider.getScope(problem, ProblemPackage.Literals.ASSERTION__RELATION);
         }
 
+        public static String unnamedNode(int nodeId) {
+                return "::" + nodeId;
+        }
+
         public List<NodeMetadata> getNodesMetadata() {
-                return getNodesMetadata(initializer.getNodeCount());
+                return getNodesMetadata(initializer.getNodeCount(), true);
         }
 
-        public List<NodeMetadata> getNodesMetadata(int nodeCount) {
+        public List<NodeMetadata> getNodesMetadata(int nodeCount, boolean preserveNewNodes) {
                 var nodes = new NodeMetadata[Math.max(initializer.getNodeCount(), nodeCount)];
                 for (var entry : initializer.getNodeTrace().keyValuesView()) {
                         var node = entry.getOne();
                         var id = entry.getTwo();
-                        nodes[id] = getNodeMetadata(node);
+                        nodes[id] = getNodeMetadata(id, node, preserveNewNodes);
                 }
                 for (int i = 0; i < nodes.length; i++) {
                         if (nodes[i] == null) {
-                                var nodeName = "::" + i;
+                                var nodeName = unnamedNode(i);
                                 nodes[i] = new NodeMetadata(nodeName, nodeName, NodeKind.IMPLICIT);
                         }
                 }
                 return List.of(nodes);
         }
 
-        private NodeMetadata getNodeMetadata(Node node) {
+        private NodeMetadata getNodeMetadata(int nodeId, Node node, boolean preserveNewNodes) {
+                var kind = getNodeKind(node);
+                if (!preserveNewNodes && kind == NodeKind.NEW) {
+                        var nodeName = unnamedNode(nodeId);
+                        return new NodeMetadata(nodeName, nodeName, NodeKind.IMPLICIT);
+                }
                 var qualifiedName = getQualifiedName(node);
                 var simpleName = getSimpleName(node, qualifiedName, nodeScope);
                 return new NodeMetadata(qualifiedNameConverter.toString(qualifiedName),