From bbccb4b63e1af8f16e46d2f9863b089584131068 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Wed, 6 Oct 2021 23:53:41 +0200
Subject: [PATCH] Improved error message:

when argument out of range, name the term
---
 src/frontend/evaluate.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/frontend/evaluate.c b/src/frontend/evaluate.c
index c731ad8af..b13a24d7a 100644
--- a/src/frontend/evaluate.c
+++ b/src/frontend/evaluate.c
@@ -70,8 +70,12 @@ ft_evaluate(struct pnode *node)
         d = NULL;
     }
 
-    if (d == NULL)
+    if (d == NULL) {
+        if (node && node->pn_name) {
+            fprintf(stderr, "  in term: %s\n\n", node->pn_name);
+        }
         return NULL;
+    }
 
     if (node->pn_name && !ft_evdb && d && !d->v_link2) {
         if (d->v_name)