validate: Enhance debug message on invalid expression function call

diff --git a/validate/gst/validate/gst-validate-utils.c b/validate/gst/validate/gst-validate-utils.c
index ae5662336b8c30d03b8ec8eb06eccbacb2813295..1e3ad75488af986b9d025c9ae0c19bffd3e48065 100644 (file)
--- a/validate/gst/validate/gst-validate-utils.c
+++ b/validate/gst/validate/gst-validate-utils.c
@@ -380,7 +380,11 @@ _read_builtin (MathParser * parser)
         v1 = _read_argument (parser);
         v0 = MAX (v0, v1);
       } else {
-        _error (parser, "Tried to call unknown built-in function!");
+        gchar *tmp =
+            g_strdup_printf ("Tried to call unknown built-in function: %s",
+            token);
+        _error (parser, tmp);
+        g_free (tmp);
       }
 
       if (_next (parser) != ')')